WO2019203381A1

WO2019203381A1 - Cyclone-type vehicle air duct assembly

Info

Publication number: WO2019203381A1
Application number: PCT/KR2018/004736
Authority: WO
Inventors: 한상현; 김영중
Original assignee: (주)라도
Priority date: 2018-04-20
Filing date: 2018-04-24
Publication date: 2019-10-24

Abstract

Disclosed is a cyclone-type vehicle air duct assembly. The disclosed cyclone-type vehicle air duct assembly comprises: a duct main body having therein a filter member for removing foreign substances in air flowing inside; an air suction duct coupled to the duct main body so as to guide outside air to the duct main body; a foreign substance collecting part coupled to the air suction duct so as to remove, by a cyclone method, foreign substances in air flowing into the air suction duct; and a swirling flow generation part for guiding so that air sucked into the foreign substance collecting part swirls inside the foreign substance collecting part. Thus, the present invention enables air sucked from outside to swirl inside the foreign substance collecting part so as to remove foreign substances therefrom, and then supplies the air to the filter member, and thus enables the duration of use of the filter member to be extended.

Description

Cyclone Automotive Air Duct Assemblies

The present invention relates to a cyclone-type vehicle air duct assembly, and more particularly, to remove the foreign matter by turning the air sucked from the outside inside the foreign matter dust collecting unit, and then supply to the filter member to extend the service life of the filter member. It relates to a cyclone-type vehicle air duct assembly.

In general, automobiles generate power by burning a mixture of fuel and air. That is, the fuel stored in the fuel tank of the vehicle and passed through various fuel supply devices is mixed with the air introduced from the outside to be produced by the mixer, and then the mixer is injected into the cylinder of the engine and the engine is sucked, compressed and exploded. In other words, the vehicle is operated by repeating the exhaust stroke.

In addition, a certain amount of air is required to operate the engine, and this supply of air flows in from the outside of the vehicle. At this time, since the air flowing in from the outside is not purified, various foreign matters such as sand or dust are introduced together, so that air containing sand or dust or foreign matter is generated through a vaporizer and generated by a mixer, and then sucked into the cylinder. Foreign matter will damage the pistons and cylinder walls that reciprocate at high speed, and will also mix with the engine oil to promote wear on each sliding area and shorten engine life. Therefore, the air cleaner is installed on the vaporizer side to remove most of the dust, sand, and foreign substances contained in the air.

In addition, in a typical vehicle, an air cleaner is installed in an air suction line for sucking air from the outside air into the engine, and in a vehicle such as a passenger car, an air cleaner is installed in the engine room, and a commercial vehicle such as a truck or a bus The cleaner is mounted on the outside of the vehicle.

However, since the air cleaner of the prior art as described above is directly introduced into the filter and filtered, more foreign matters are collected in the filter, thereby shortening the service life of the filter.

Therefore, there is a need for improvement.

Meanwhile, Korean Patent Application Publication No. 10-2012-0069811 (published date: December 21, 2012) discloses a "vehicle resonator assembly", and Korean Patent Registration No. 10-1531336 (registered date: 2015.06.18) discloses a "cyclone". Vehicle air duct assembly "is disclosed.

The present invention has been created by the necessity as described above, since the foreign material introduced from the outside can be pretreated by a cyclone method before being filtered by the filter member, not only can improve the removal effect of the foreign matter, the filter member It is an object of the present invention to provide a cyclone-type vehicle air duct assembly that can extend the service life of the.

In order to achieve the above object, a cyclone vehicle air duct assembly according to an aspect of the present invention includes a duct body provided with a filter member therein to remove foreign substances from the air introduced into the inside, and the outside air to the duct An air suction duct coupled to the duct body to guide the main body, a foreign matter dust collecting unit coupled to the air suction duct to remove the foreign matter of the air introduced into the air suction duct in a cyclone manner, and the air sucked into the foreign matter collecting unit It characterized in that it comprises a swirling air flow generating unit for guiding the pivot in the foreign matter dust collector.

In the present invention, the foreign matter dust collecting unit is formed in a cylindrical shape having a diameter larger than the diameter of the air suction duct, the air suction duct is coupled to one end, the dust collecting tank coupled to the swirling air generating unit is coupled to the other end open And a dust collecting member provided at one end of the dust collecting tank and collecting foreign matters falling from the dust collecting tank.

The dust collecting member in the present invention, characterized in that it comprises a dust collecting tube provided in the dust collecting tank, and the opening and closing cap for opening and closing the dust collecting tube.

In the present invention, the swirling air generating unit, the rim member coupled to the opening of the foreign matter dust collecting portion, and is spaced apart along the inner diameter of the rim member, the air flowing from the outside is formed to be inclined along the inner circumferential surface of the foreign matter dust collecting portion It characterized in that it comprises an air guide blade.

As described above, the cyclone-type vehicle air duct assembly according to the present invention, unlike the prior art can be pre-treated foreign matter in a cyclone method before the air introduced from the outside is filtered by the filter member, the effect of removing the foreign matter Has the effect to improve.

In addition, according to the present invention, since the foreign matter having a large particle contained in the intake air is removed from the foreign matter dust collecting unit, there is an effect that can extend the service life of the filter member.

1 is a perspective view showing a vehicle air duct assembly of a cyclone method according to an embodiment of the present invention.

2 is an exploded perspective view illustrating a cyclone type vehicle air duct assembly according to an embodiment of the present invention.

3 is an enlarged view illustrating main parts for explaining a foreign matter dust collecting unit according to an exemplary embodiment of the present invention.

4 is a cross-sectional view for explaining a foreign matter dust collecting unit according to an embodiment of the present invention.

5 is a side view showing a swirl airflow generating unit according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the vehicle air duct assembly of the cyclone method according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a perspective view illustrating a cyclone vehicle air duct assembly according to an embodiment of the present invention, Figure 2 is an exploded perspective view for explaining a cyclone vehicle air duct assembly according to an embodiment of the present invention.

In addition, FIG. 3 is an enlarged view illustrating main parts of the foreign matter dust collector according to an embodiment of the present invention, FIG. 4 is a cross-sectional view for explaining the foreign matter dust collector according to an embodiment of the present invention, and FIG. Side view showing a swirl airflow generation unit according to an embodiment.

1 to 5, the cyclone-type vehicle air duct assembly 100 according to an embodiment of the present invention is installed in the vehicle body to suck and filter the air supplied to the engine of the vehicle.

The cyclone-type vehicle air duct assembly 100 according to the present embodiment is a duct body 110, the air suction duct 120 and the air discharge duct respectively coupled to the duct body 110 for the suction and discharge of air. 130, the foreign matter dust collecting unit 140 to remove and collect the foreign matter of the air sucked into the air suction duct 120, and the swirling air flow generation unit 150 to induce the flow of air introduced into the foreign matter dust collecting unit 140 It includes.

In addition, the cyclone-type vehicle air duct assembly 100 according to the present embodiment may be provided with a resonator in the air discharge duct 130 to prevent noise generated in the intake apparatus. At this time, the resonator reduces the noise of a specific frequency flowing along the suction and exhaust ducts using the principle of resonance.

The duct body 110 removes foreign substances of air introduced into the air through the air suction duct 120. To this end, the duct body 110 includes a lower housing 111 connected to the air intake duct 120, an upper housing 113 coupled to the air discharge duct 130, and a filter member coupled to the lower housing 111. 115. The duct body 110 is detachable from the lower housing 111 and the upper housing 113 for the replacement of the filter member 115 and is coupled to each other by a clamp.

The lower housing 111 has an air inlet pipe 111a connected to the air intake duct 120 protruding from one lower side thereof. In addition, the lower housing 111 is gradually reduced in volume to the other side in the air inlet pipe (111a). This is to uniformly distribute the air introduced through the air inlet pipe 111a to all regions of the filter member 115.

The upper housing 113 has an air outlet 113a formed at one side thereof, and an air discharge duct 130 is coupled to the air outlet 113a. The upper housing 113 is also formed such that its volume gradually decreases from the air inlet pipe 111a side toward the air outlet 113a side.

The filter member 115 is detached from the lower housing 111 and removes foreign matter from the air passing through the duct body 110.

The air suction duct 120 has one end coupled to the air inlet pipe 111a and the other end coupled to the foreign matter dust collecting unit 140. The air suction duct 120 is formed in a cylindrical shape of "b", the other end is inserted into the foreign matter dust collecting unit 140. This is to generate a swirl air flow in the air introduced into the foreign matter dust collecting unit 140.

In addition, the air intake duct 120 has an expansion flange 121 to which the air inlet pipe 111a is coupled to one end thereof.

The foreign matter dust collecting unit 140 is combined with the air suction duct 120 to collect and collect the foreign matter having relatively large particles among the foreign matters of the air introduced into the air suction duct 120.

To this end, the foreign matter dust collecting unit 140 is configured to remove foreign matter from the air in a cyclone manner. Specifically, the foreign matter dust collecting unit 140 includes a dust collecting tank 141 coupled to the air suction duct 120 and the swirling air generating unit 150, and a dust collecting member for collecting and removing the foreign matter collected from the dust collecting tank 141. 143).

The dust collecting tank 141 has a diameter larger than the diameter of the air intake duct 120, and a duct coupling hole 141a is formed to insert and fix the air intake duct 120. The air suction duct 120 coupled to the duct coupling hole 141a is inserted into the dust collection tank 141 by a predetermined length or more so that the swirling air flow may be generated in the dust collection tank 141.

In addition, the dust collecting tank 141 is open at one side, the coupling end portion 141b is coupled to the swirling air flow fish 150 in the open inner surface.

The dust collecting member 143 is provided at the lower side of the duct coupling hole 141a side of the dust collecting tank 141, and foreign substances falling downward from the dust collecting tank 141 are introduced. The dust collecting member 143 has a dust collecting tube 143a coupled to be perpendicular to the center line of the dust collecting tank 141 and an opening / closing cap 143b detachable from the dust collecting tube 143a to open and close the dust collecting tube 143a. do.

The dust collecting tube 143a is communicatively coupled with the dust collecting tank 141 so as to be located under the air suction duct 120 inserted into the dust collecting tank 141.

In addition, the dust collecting member 143 is formed with a locking projection (143a ') on the outer surface of the dust collecting tube (143a) to easily detach the opening and closing cap (143b) to the dust collecting tube (143a) and the inner surface of the opening and closing cap (143b) A locking groove 143b 'to which the locking protrusion 143a' is inserted is formed. Through this, foreign matter collected in the dust collecting tube 143a and the opening / closing cap 143b can be easily removed periodically.

The foreign matter dust collecting unit 140 and the air suction duct 120 according to the present embodiment may be integrally injection molded to improve durability.

The swirling air generating unit 150 is inserted into and coupled to the coupling end 141b of the dust collecting tank 141 and guides and rotates the air sucked into the dust collecting tank 141. That is, the swirl airflow generation unit 150 is to turn the air flowing into the dust collecting tank 141.

To this end, the swirling air generating unit 150 is a ring-shaped rim member 151 inserted into and coupled to the coupling end 141b of the dust collecting tank 141, and along the inner diameter of the rim member 151 for guiding air. The air guide blade 153 is spaced apart and the boss member 155 coupled to the center of the air guide blade 153.

Rim member 151 is formed with a support rib protruding on the outer surface to be more firmly coupled to the coupling end (141b).

The air guide blade 153 is inserted into the dust collecting tank 141, and gradually expands in width from the boss member 155 to the rim member 151. The air guide blade 153 is formed to be inclined along the circumferential direction of the dust collecting tank 141 so that the air flowing from the outside is transferred along the inner circumferential surface of the dust collecting tank 141 to further improve the generation of swirling airflow. Through this, the dust collecting effect of the foreign matter dust collecting unit 140 may be improved.

The operation of the cyclone-type vehicle air duct assembly according to an embodiment of the present invention configured as described above will be described.

External air introduced through the swirling air generating unit 150 is introduced into the dust collecting tank 141 by turning along the inner surface of the dust collecting tank 141 by the air guide blade 153. And the air introduced into the dust collecting tank 141 collides with the cyclone wall formed by the air intake duct 120 while moving to the intake port of the air intake duct 120, in which foreign matter contained in the air is separated It falls to the true tube 143a.

In addition, the pretreatment air from which foreign particles of relatively large particles are removed is supplied to the duct body 110 while flowing into the inlet of the air suction duct 120 in a state in which the flow rate thereof is reduced. The pretreatment air flowing into the duct body 110 passes through the filter member 115 to remove fine foreign matter, and then is supplied to the engine of the vehicle through the air discharge duct 130.

As described above, the cyclone-type vehicle air duct assembly 100 according to the present invention is pretreated by a cyclone effect of the foreign matter dust collecting unit 140, and thus, a large amount of foreign matter is pretreated, thereby preventing the filter member 115 from being rapidly blocked. In addition, the service life of the filter member 115 can be further increased.

In addition, the vehicle air duct assembly 100 of the cyclone method according to the present invention is introduced into the duct body 110 after the foreign matter is removed in a cyclone method before the air flowing from the filter member 115 is filtered. Since the flow rate of the air flowing into the duct body 110 can be lowered, the effect of removing foreign matters by the filter member 115 can be further improved.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

Therefore, the true technical protection scope of the present invention will be defined by the claims.

Claims

A duct body provided with a filter member therein to remove foreign substances from the air introduced into the interior;

An air intake duct coupled to the duct body to guide external air to the duct body;

A foreign matter dust collecting unit coupled to the air suction duct to remove foreign substances of air introduced into the air suction duct in a cyclone manner; And

A swirl airflow generation unit configured to guide the air sucked into the foreign matter dust collecting unit to pivot inside the foreign matter dust collecting unit;

Cyclone vehicle air duct assembly comprising a.
The method of claim 1,

The foreign matter dust collecting unit is formed in a cylindrical shape to have a diameter larger than the diameter of the air suction duct, the air suction duct is coupled to one end, the dust collecting tank coupled to the swirling air generating unit to the other end open; And

A dust collecting member provided at one end of the dust collecting tank and collecting foreign matters falling from the dust collecting tank;

Cyclone vehicle air duct assembly comprising a.
The method according to claim 1 or 2,

The swirl airflow generation unit, the rim member coupled to the opening of the foreign matter dust collecting unit; And

An air guide blade disposed to be spaced apart along the inner diameter of the rim member, the air guide blade being inclined to be transported along the inner circumferential surface of the foreign matter dust collecting unit;

Cyclone vehicle air duct assembly comprising a.