CN211777768U - Primary air filtering device for motor vehicle - Google Patents

Abstract

The utility model discloses a motor vehicle is with elementary air filter. Including the intake pipe, characterized by: the air inlet end of the air inlet pipe is fixedly connected with a waterproof cap, the waterproof cap is covered outside the air inlet end of the air inlet pipe, an air inlet cavity is formed between the waterproof cap and the air inlet of the air inlet pipe, a collecting separation chamber is arranged at the air outlet end of the air inlet pipe, the upper end of the collecting separation chamber is connected with the air outlet end of the air inlet pipe in a sealing mode, the lower portion of the collecting separation chamber is connected with an air outlet pipe, a dust exhaust port is formed in the bottom of the collecting separation chamber, an umbrella-shaped shunting cover is arranged on the upper portion of the collecting separation chamber, an air channel is formed between the umbrella-shaped shunting cover and the side wall of the. The utility model discloses debris such as granule, dust that mix in can effectively the air-removing guarantees that the air that gets into air cleaner is clean, can improve air cleaner's performance and life, effectively guarantees engine operational reliability.

Description

Primary air filtering device for motor vehicle

Technical Field

The utility model relates to a motor vehicle is with elementary air filter, mainly used motor vehicle air intake system's air filter.

Background

At present, main supporting power of automobile and agricultural machinery products is a diesel or gasoline engine, a large amount of air needs to be sucked into the engine in the working process, if the air is not filtered, dust suspended in the air is sucked into a cylinder, abrasion of a piston group and the cylinder is accelerated, larger particles enter the space between the cylinders, a cylinder pulling phenomenon is caused seriously, and the phenomenon is particularly serious in a dry and sand-rich working environment. The air cleaner is used for filtering the air that gets into in the engine, and air cleaner's performance has very big influence to the life of engine, and in the use, if the filter core of filter is stained with the dust, not only can reduce filtering capability, but also hinders the circulation of air, leads to the engine gas mixture to exceed standard and influences the engine and normally work, causes vehicle work trouble. The primary air filtering device is arranged in front of the air filter, plays a role in filtering dust and sand in the air and ensures sufficient and clean air entering the cylinder through the air filter. If the primary air filter device does not filter well, the performance of the air filter is directly affected. The primary air filtering device in the prior art only filters air flowing through a simple filter screen, has poor filtering effect, and influences the performance, namely the service life, of the air filter.

Disclosure of Invention

To the above-mentioned defect that exists among the prior art, the utility model provides a primary air filter for motor vehicle that the filter effect is good, can provide clean air for the engine.

The utility model discloses a realize through following technical scheme: the utility model provides a primary air filter for motor vehicle, includes the intake pipe, characterized by: the outside fixedly connected with waterproof cap of inlet end of intake pipe, the waterproof cap shade is in the inlet end of intake pipe is outside, waterproof cap with form the air inlet cavity between the air inlet of intake pipe the end of giving vent to anger of intake pipe is provided with collects the separator, collect the upper end of separator with the end sealing connection of giving vent to anger of intake pipe, the sub-unit connection who collects the separator has the outlet duct, the bottom of collecting the separator is provided with the dust exhaust mouth upper portion is provided with umbrella-shaped reposition of redundant personnel cover in collecting the separator, umbrella-shaped reposition of redundant personnel cover with air channel has between the lateral wall of collecting the separator, it is inherent to collect the separator the lower part of umbrella-shaped reposition of redundant personnel cover is provided with centrifugal fan.

The utility model discloses in, set up the waterproof cap at intake pipe air inlet end, both can guarantee the sufficient air input of engine during operation, can prevent rainwater and debris again to get into the intake pipe, carry out prefilter to the air. The umbrella-shaped flow dividing cover arranged on the upper part of the collecting and separating chamber can enable air blown on the umbrella-shaped flow dividing cover to uniformly flow to the surrounding air channels to form primary diversion of air flow and increase the distribution area. The centrifugal fan arranged at the lower part of the umbrella-shaped flow dividing cover can rotate under the blowing of the upper airflow. When in work: the air coming from the upper part of the air inlet pipe is blown to the surface of the umbrella-shaped shunt cover, the air is uniformly distributed to flow to the periphery through the umbrella-shaped shunt cover, the air enters the collection separation chamber through the air channel, the air entering the collection separation chamber blows the centrifugal fan to rotate, particles and dust in the air are thrown away from the rotating center under the action of centrifugal force and are collected into the collection separation chamber, the air is discharged through the dust exhaust port at the bottom of the collection separation chamber, clean air enters the air filter connected with the air outlet pipe from the middle channel through the air outlet pipe at the lower part of the collection separation chamber, and clean air is provided for the work of an engine.

Furthermore, a plurality of fan-shaped blades with angles are uniformly arranged on the outer side of the umbrella-shaped flow dividing cover to form an air inlet structure. When air passes through an air inlet structure formed by the fan-shaped blades with angles, the flowing direction of the air flow can be changed, rotating air flow is formed, and the centrifugal fan is blown to rotate through the rotating air flow.

Further, the number of the fan-shaped blades is six.

Furthermore, be convenient for incite somebody to action the utility model discloses fix on vehicle chassis or driver's cabin the outside of intake pipe is connected with the bolt of installation usefulness.

Furthermore, in order to ensure the air filtering effect, the air inlet pipe, the umbrella-shaped flow dividing cover, the centrifugal fan and the air outlet pipe are coaxially arranged.

Furthermore, in order to facilitate processing and installation, the centrifugal fan and the umbrella-shaped flow distribution cover are connected into a whole.

The utility model has the advantages that: the utility model has simple structure, can ensure enough air input when the engine works and prevent rainwater and sundries from entering the air inlet pipe through the waterproof cap at the air inlet end of the air inlet pipe, and can preliminarily filter air; the umbrella-shaped flow dividing cover is arranged in the collecting and separating chamber, so that air blown onto the collecting and separating chamber can uniformly flow to the surrounding air channels to form primary air flow direction change, and the distribution area is increased; the centrifugal fan is arranged at the lower part of the umbrella-shaped flow dividing cover, the centrifugal fan is rotated by utilizing air flow to generate centrifugal force, particles and dust in the air can be thrown away from a rotating center under the action of the centrifugal force and collected on the wall of the collecting and separating chamber, and the particles and the dust are collected at the bottom of the collecting and separating chamber under the action of the air flow and discharged through the dust discharge port. The utility model discloses debris such as granule, dust that mix in can effectively the air-removing guarantees that the air that gets into air cleaner is clean, can improve air cleaner's performance and life, can effectively guarantee engine operational reliability. The utility model discloses but the dust particle in the self-cleaning collection separation chamber need not periodic cleaning, and life is non-maintaining.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the collection and separation chamber of the present invention;

in the figure, 1, a waterproof cap, 2, an air inlet pipe, 3, an umbrella-shaped flow distribution cover, 4, a centrifugal fan, 5, a collection separation chamber, 6, an air outlet pipe, 7, a nut, 8, a dust exhaust port, 9, a bolt, 10 and fan-shaped blades

Detailed Description

The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:

as shown in the accompanying drawings, a primary air cleaner for a motor vehicle includes an intake duct 2, and is characterized in that: the outside fixedly connected with waterproof cap 1 of air inlet end of intake pipe 2, waterproof cap 1 and air inlet pipe 2 riveting are connected, waterproof cap 1 shade is in the air inlet end outside of intake pipe 2, waterproof cap 1 with the top of the air inlet of intake pipe 2 all leaves the clearance between all around and forms the air inlet cavity. Be provided with on the end of giving vent to anger of intake pipe 2 and collect separator 5, collect the upper end of separator 5 with the end sealing connection of giving vent to anger of intake pipe 2, the sub-unit connection who collects separator 5 has outlet duct 6 the bottom of collecting separator 5 is provided with dust exhaust port 8. An umbrella-shaped shunt cover assembly is arranged at the inner upper part of the collection separation chamber 5 and comprises an umbrella-shaped shunt cover mounting frame and an umbrella-shaped shunt cover 3 mounted at the middle part of the umbrella-shaped shunt cover mounting frame, and an air channel is arranged between the umbrella-shaped shunt cover 3 and the side wall of the collection separation chamber 5. In this embodiment, a plurality of fan-shaped blades 10 with angles are uniformly arranged on the outer side of the umbrella-shaped flow distribution cover 3 to form an air inlet structure, and the fan-shaped blades 10 have a certain inclination angle, so that air flowing through the fan-shaped blades can form a rotating airflow. The number of the fan-shaped blades 10 is determined according to design requirements, and preferably: six fan-shaped blades are arranged. A centrifugal fan 4 is arranged at the lower part of the umbrella-shaped flow dividing cover 3 in the collection separation chamber 5.

In order to ensure the filtering effect, in this embodiment, the air inlet pipe 2, the umbrella-shaped flow dividing cover 3, the centrifugal fan 4 and the air outlet pipe 6 are coaxially arranged.

For convenience of processing and installation, the centrifugal fan 4 is preferably connected with the umbrella-shaped flow dividing cover 3 into a whole.

When the utility model works, after the engine is started, the outside air enters the air inlet pipe 2 through the air inlet cavity formed by the waterproof cap 1 and the air inlet pipe 2 and then impacts on the umbrella surface of the umbrella-shaped shunt cover 3 through the air inlet pipe 2, is evenly distributed to the periphery through the umbrella-shaped distribution cover 3, the evenly distributed air flow enters the collecting and separating chamber 5 through an air inlet structure formed by fan-shaped blades with angles to form rotary air flow, the rotary air flow blows the centrifugal fan 4 to rotate, particles and dust in the air are thrown away from the rotating center under the action of centrifugal force and collected on the wall of the collecting and separating chamber 5, the air is collected to the bottom of the collecting and separating chamber 5 under the action of air flow and is discharged through a dust discharge port 8 at the bottom of the collecting and separating chamber 5, and clean air enters an air filter connected with an air outlet pipe 6 from a middle channel through the air outlet pipe 6 at the lower part of the collecting and separating chamber 5, so that clean air is provided for the work of an engine.

The utility model discloses simple structure can effectively get rid of debris such as granule, dust that mix in the air, guarantees to get into air cleaner's air cleanness, clean, can improve air cleaner's performance and life, effectively guarantees engine operational reliability. The utility model discloses but the dust particle in the self-cleaning collection separation chamber need not periodic cleaning.

Other parts in this embodiment are the prior art, and are not described herein again.

Claims (6)

1. A primary air filter device for a motor vehicle, comprising an air inlet pipe (2), characterized in that: a waterproof cap (1) is fixedly connected with the outside of the air inlet end of the air inlet pipe (2), the waterproof cap (1) is covered outside the air inlet end of the air inlet pipe (2), an air inlet cavity is formed between the waterproof cap (1) and the air inlet of the air inlet pipe (2), a collecting and separating chamber (5) is arranged at the air outlet end of the air inlet pipe (2), the upper end of the collecting and separating chamber (5) is hermetically connected with the air outlet end of the air inlet pipe (2), the lower part of the collecting and separating chamber (5) is connected with an air outlet pipe (6), the bottom of the collecting and separating chamber (5) is provided with a dust exhaust port (8), an umbrella-shaped shunt cover (3) is arranged at the upper part in the collection separation chamber (5), an air channel is arranged between the umbrella-shaped shunt cover (3) and the side wall of the collection separation chamber (5), and a centrifugal fan (4) is arranged at the lower part of the umbrella-shaped flow dividing cover (3) in the collection separation chamber (5).

2. The primary air cleaner assembly for an automotive vehicle as set forth in claim 1, wherein: the outer side of the umbrella-shaped flow dividing cover (3) is uniformly provided with a plurality of fan-shaped blades with angles to form an air inlet structure.

3. The primary air cleaner assembly for an automotive vehicle as set forth in claim 2, wherein: six fan-shaped blades are arranged.

4. The primary air cleaner assembly for an automotive vehicle as set forth in claim 1, wherein: and the outer side of the air inlet pipe (2) is connected with a bolt for installation.

5. The primary air cleaner assembly for an automotive vehicle as set forth in claim 1, wherein: the air inlet pipe (2), the umbrella-shaped flow distribution cover (3), the centrifugal fan (4) and the air outlet pipe (6) are coaxially arranged.

6. The primary air cleaner assembly for a motor vehicle as set forth in claim 1, 2, 3, 4, or 5 wherein: the centrifugal fan (4) is connected with the umbrella-shaped flow dividing cover (3) into a whole.

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