CN217107256U - Air filter - Google Patents

Abstract

The utility model provides an air filter, it includes: the dust-removing filter comprises a first shell, a second shell, an air inlet pipe, an air outlet pipe, a dust outlet, a filter element and a first baffle plate; the second casing can be dismantled and set up in first casing below to form first cavity with the second casing, the intake pipe with first casing is coaxial and runs through first casing, the outlet duct locate on the lateral wall of first casing and with the inside intercommunication of first casing, second casing bottom is located to the dust exhaust mouth, the filter core is located in the first cavity, and encircles the intake pipe sets up, first baffle sets up between outlet duct and filter core for slow down the air current velocity of flow, the air gets into first cavity from the intake pipe, filters the back through the filter core and discharges from the outlet duct. The utility model discloses a set up first baffle between outlet duct and filter core and carry out the slow current, prevent effectively that the air current from the filter core fast through causing the filter core to puncture, effectively ensure the filter effect.

Description

Air filter

Technical Field

The utility model belongs to the technical field of air cleaner and specifically relates to an air cleaner.

Background

An air cleaner is used for filtering air for engines of agricultural machines, construction vehicles, automobiles, and the like.

When the engine works, a large amount of air needs to be sucked, and if the air is not filtered, dust suspended in the air is sucked into the cylinder, so that the abrasion of the piston group and the cylinder is accelerated. Larger particles enter between the piston and the cylinder, causing severe "scuffing" phenomena, which is particularly severe in dry, sandy working environments. The air filter is arranged in front of the carburetor or the air inlet pipe, plays a role in filtering dust and sand grains in air and ensures that sufficient and clean air enters the air cylinder.

At present, the filter element is directly communicated with the air outlet, air flow is easily concentrated at the filter element, and then the filter element is easily punctured, so that filtering failure is caused.

Therefore, there is a need for an air cleaner that prevents concentrated air flow from puncturing the filter element and ensures filtration stability.

Disclosure of Invention

The utility model aims at providing an air cleaner solves current air cleaner filter core and easily punctures, leads to the problem of filtering failure.

The utility model provides an air filter, it includes: the dust-removing filter comprises a first shell, a second shell, an air inlet pipe, an air outlet pipe, a dust outlet, a filter element and a first baffle plate; the second casing can be dismantled and set up in first casing below to form first cavity with the second casing, the intake pipe with first casing is coaxial and runs through first casing, the outlet duct locate on the lateral wall of first casing and with first cavity intercommunication, second casing bottom is located to the dust exhaust mouth, the filter core is located in the first cavity, and encircles the intake pipe sets up, first baffle sets up between outlet duct and filter core for slow down the air current velocity of flow, the air gets into first cavity from the intake pipe, filters the back through the filter core and discharges from the outlet duct.

Further, the outlet duct including the first cavity of intercommunication with the mouth of pipe of giving vent to anger of outlet duct, the projection of first baffle on vertical plane covers the projection of the mouth of pipe of giving vent to anger on same vertical plane sets up first baffle through the mouth of pipe of giving vent to anger again, effectively carries out the vortex to the air current, prevents that the air current from causing the filter core to puncture from the filter core is quick, and then influences the filter effect.

Further, the filter core includes first upper fixed ring, filter element body and first lower fixed ring, first upper fixed ring is connected with first casing, first lower fixed ring with the second casing is connected, the filter element body sets up between first upper fixed ring and first lower fixed ring.

Further, the intake pipe is including arranging the first pipeline in the first cavity in, first casing is including the second baffle that encircles the first pipeline setting, first upper fixed ring includes first inner circle wall portion, first inner circle wall portion with second baffle interference fit.

Further, the second shell comprises a third baffle arranged on the same vertical surface with the second baffle, the first lower fixing ring comprises a second inner ring wall portion, and the second inner ring wall portion is in interference fit with the third baffle.

Further, the first inner ring wall portion and the second inner ring wall portion are both of a stepped structure.

Further, the air filter also comprises a safety core, and the safety core is arranged around the filter element.

Further, the safety core comprises a second upper fixing ring, a safety core body and a second lower fixing ring, the second upper fixing ring is connected with the first shell, the second lower fixing ring is connected with the second shell, and the safety core body is arranged between the second upper fixing ring and the second lower fixing ring.

Further, the second upper fixing ring comprises a first outer ring wall portion, the first outer ring wall portion is in interference fit with the first shell, the second lower fixing ring comprises a second outer ring wall portion, and the second outer ring wall portion is in interference fit with the second shell.

Further, the first outer ring wall portion and the second outer ring wall portion are both of a stepped structure.

Furthermore, the outlet pipe also comprises a pressure measuring hole arranged on the outlet pipe.

Further, air cleaner still includes the dust exhaust valve, the dust exhaust valve pass through the clamp with the dust exhaust mouth is connected.

Further, the first shell and the second shell are connected through a fastener.

After the technical scheme is adopted, the utility model discloses following positive effect has: the utility model discloses a set up first baffle between outlet duct and filter core and carry out the slow current, prevent effectively that the air current from the filter core fast through causing the filter core to puncture, effectively ensure the filter effect.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

fig. 1 is a schematic structural view of the air cleaner of the present invention.

Fig. 2 is a schematic view of another perspective structure of the air cleaner of the present invention.

Fig. 3 is a plan view of the air cleaner of the present invention.

Fig. 4 is a sectional view taken along the plane a-a of fig. 3.

Fig. 5 is a partially enlarged view of fig. 4 at B.

Fig. 6 is a schematic structural view of the filter element of the air cleaner of the present invention.

Fig. 7 is a schematic structural view of the safety core of the air cleaner of the present invention.

Detailed Description

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 these drawings without creative efforts.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will refer to the accompanying drawings to describe specific embodiments of the present invention. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

See fig. 1 to 7, the present invention relates to an air cleaner, comprising: the dust exhaust device comprises a first shell 1, a second shell 2, an air inlet pipe 3, an air outlet pipe 4, a dust exhaust port 5, a filter element 6, a first baffle 7, a safety core 8 and a dust exhaust valve. Second casing 2 can be dismantled and set up in first casing 1 below to form first cavity with second casing 2, intake pipe 3 with first casing 1 is coaxial and runs through first casing 1, outlet duct 4 locate on first casing 1's the lateral wall and with first cavity intercommunication, dust exhaust port 5 locates 2 bottoms of second casing, filter core 6 is located in the first cavity, and encircles intake pipe 3 sets up, safe core 8 encircles filter core 6 sets up, first baffle 7 sets up between outlet duct 4 and safe core 8 for slow down the air current velocity of flow, the dust exhaust valve pass through the clamp with dust exhaust port 5 connects. Through set up first baffle 7 between outlet duct 4 and safe core 8, prevent that the air current from leading to the fact filter core or safe core to be punctured from filter core and safe core fast, effectively ensure the filter effect.

In this embodiment, the outlet duct 4 includes an outlet duct opening 41 communicating the first cavity with the outlet duct 4, and the projection of the first baffle 7 on the vertical plane covers the projection of the outlet duct opening 41 on the same vertical plane.

The filter element 6 comprises a first upper fixing ring 61, a filter element body 62 and a first lower fixing ring 63, the first upper fixing ring 61 is connected with the first shell 1, the first lower fixing ring 63 is connected with the second shell 2, and the filter element body 62 is arranged between the first upper fixing ring 61 and the first lower fixing ring 63. In the present embodiment, the air intake pipe 3 includes a first pipe 31 disposed in the first cavity, the first housing 1 includes a second baffle 11 disposed around the first pipe 31, the first upper fixing ring 61 includes a first inner ring wall portion 611, and the first inner ring wall portion 611 is in interference fit with the second baffle 11; the second casing 2 includes a third baffle disposed on the same vertical plane as the second baffle 11, and the first lower fixing ring 63 includes a second inner ring wall portion 631, and the second inner ring wall portion 631 is in interference fit with the third baffle.

Safety core 8 includes solid fixed ring 81, safety core 82 and the solid fixed ring 83 under the second on the second, gu fixed ring 81 is connected with first casing 1 on the second, gu fixed ring 83 under the second with second casing 2 is connected, safety core 82 sets up on the second between solid fixed ring 81 and the solid fixed ring 83 under the second. In the present embodiment, the second upper fixing ring 81 includes a first outer ring wall portion 811, the first outer ring wall portion 811 is interference-fitted with the first housing 1, and the second lower fixing ring 83 includes a second outer ring wall portion 831, the second outer ring wall portion is interference-fitted with the second housing 2.

In this embodiment, the first inner ring wall 611, the second inner ring wall 631, the first outer ring wall 811, and the second outer ring wall are all in a stepped structure, which can effectively increase the interference fit effect and ensure stable installation.

In this embodiment, in order to facilitate replacement of the filter element 6 and the safety element 8, the first housing 1 and the second housing 2 are connected by a fastener, and in other embodiments, a detachable connection manner such as a pin shaft or a lock catch may be adopted.

The outlet pipe 4 further comprises a pressure measuring hole 42 arranged on the outlet pipe 4 and used for detecting the pressure of the air flow flowing through the outlet pipe, and then the state of the filter element body 62 of the filter element 6 is evaluated through a pressure value to judge whether the filter element 6 needs to be replaced.

In the air got into first cavity through intake pipe 3, the large granule dust fell into the dust exhaust valve through dust exhaust mouth 5, and the air that carries the small granule dust reachs safe core 8 after filtering through filter core 6, and through 8 secondary filter of safe core again, discharge in order to reach the filtration of admitting air by outlet duct 4 at last.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims (10)

1. An air cleaner, comprising:

a first shell body which is provided with a first opening,

the second shell is detachably arranged below the first shell and forms a first cavity with the second shell;

the air inlet pipe is coaxial with the first shell and penetrates through the first shell;

the air outlet pipe is arranged on the side wall of the first shell and communicated with the first cavity;

the dust exhaust port is arranged at the bottom of the second shell;

the filter element is arranged in the first cavity and surrounds the air inlet pipe;

the first baffle is arranged between the air outlet pipe and the filter element and used for slowing down the flow velocity of the air flow;

air enters the first cavity from the air inlet pipe, is filtered by the filter element and then is discharged from the air outlet pipe.

2. The air cleaner of claim 1, wherein the outlet duct includes an outlet duct opening communicating the first chamber with the outlet duct, and a projection of the first baffle on a vertical plane covers a projection of the outlet duct opening on the same vertical plane.

3. The air cleaner of claim 2, wherein: the filter core includes first solid fixed ring, filter core body and first solid fixed ring down, first solid fixed ring is connected with first casing, first solid fixed ring down with the second casing is connected, the filter core body sets up between first solid fixed ring and first solid fixed ring down.

4. An air cleaner according to claim 3 wherein: the intake pipe is including arranging the first pipeline in the first cavity in, first casing is including the second baffle that encircles the setting of first pipeline, first upper fixed ring includes first inner circle wall portion, first inner circle wall portion with second baffle interference fit.

5. The air cleaner of claim 4, wherein: the second casing includes and sets up the third baffle on same vertical face with the second baffle, first solid fixed ring includes second inner circle wall portion, second inner circle wall portion with third baffle interference fit.

6. The air cleaner of claim 5, wherein: the first inner ring wall portion and the second inner ring wall portion are both of a stepped structure.

7. The air cleaner of claim 1, wherein: the air filter further comprises a safety core, and the safety core is arranged around the filter element.

8. The air cleaner of claim 7, wherein: the safety core comprises a second upper fixing ring, a safety core body and a second lower fixing ring, the second upper fixing ring is connected with the first shell, the second lower fixing ring is connected with the second shell, and the safety core body is arranged between the second upper fixing ring and the second lower fixing ring.

9. The air cleaner of claim 8, wherein: the second upper fixing ring comprises a first outer ring wall portion, the first outer ring wall portion is in interference fit with the first shell, the second lower fixing ring comprises a second outer ring wall portion, and the second outer ring wall portion is in interference fit with the second shell.

10. The air cleaner of claim 9, wherein: the first outer ring wall part and the second outer ring wall part are both of a stepped structure.

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