CN201321925Y - Dry-type strength swirl air filter of heavy-duty automobile - Google Patents

Abstract

The utility model discloses a dry-type strength swirl air filter of a heavy-duty automobile. A flow guide plate (2) which is arranged at an inner cavity of an air inlet shell body below an air inlet pipe (1) is connected on the outer surface at the lower end of a whirlwind pipe in surrounding and sheathing manners; a rotating fan blade (4) is connected on a supporting bracket (3) in an inner hole at the lower end of the whirlwind pipe in a rotating manner; below the rotating fan blade, a whirlwind sleeve of a reversing swirl disc (5) is fixedly connected on the air inlet shell body and is sheathed on the outer circle of the rotating fan blade in a surrounding manner; a dust-containing shell body (6) is arranged at the bottom part of the inner cavity of the air inlet shell body below the reversing swirl disc and is communicated with a dust-removing pipe (7) which is connected at the bottom part of the air inlet shell body. As whirlwind openings with opposite opening directions are respectively arranged on the flow guide plate, the rotating fan blade and the reversing swirl disc, strength air swirl with small resistance is formed, so as to eliminate early blockage of a filter element, reduce the air filtering resistance, lead simple structure, effectively improve the air filtering quality as well as output power of an engine, and obviously decrease the production cost.

Description

Dry-type strength rotational flow air filter for heavy-duty car

(1) technical field:

The utility model relates to the automobile air filter; Be specifically related to a kind of dry-type strength rotational flow air filter for heavy-duty car.

(2) background technique:

Heavy-duty car dry-type air cleaner of the prior art, its structure are square air intake and the dust discharge housing inner chambers that is provided with below filter housing, are connected with many and are the cyclone tube that spacing is arranged.Enter when working in the motor when treating that air filtering filters through filter housing by the square casing inner chamber, dust impurity that contains in the filtered air and/or sleet water droplet then enter the square casing intracavity bottom by many cyclone tubes to be difficult to all discharge rapidly.Exist not enough: the one, dust impurity that is difficult to discharge and/or sleet water droplet stockpile the early stage obstruction that causes filter core at the housing intracavity bottom, have had a strong impact on the air inlet quality that engine air filters; The 2nd, the square air intake and the dust discharge housing inner chamber filtering resistance of air of many cyclone tube arrangements are big, have influenced the output power of motor; The 3rd, complex structure has increased cost of production.

(3) summary of the invention:

At the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of dry-type strength rotational flow air filter for heavy-duty car, is intended to improve engine air filtering quality and output power and reduces production costs.

For achieving the above object, the technological scheme of the utility model dry-type strength rotational flow air filter for heavy-duty car is achieved in that and mainly comprises filter housing and be connected inlet shell, the tornadotron that communicates with it; It is the inlet shell inner chamber that is provided with below the air intake pipe being positioned at, and is provided with on the outer surface that the guide plate ring set is connected in described tornadotron lower end; On the bearing support that in the endoporus of described tornadotron lower end, is provided with, be rotatably connected with rotating blading; Below rotating blading, be connected in the reverse eddy flow tray whirlwind sleeve on the inlet shell, ring set is on the cylindrical of rotating blading; The whirlwind mouth that described reverse eddy flow tray whirlwind sleeve bottom end face is provided with, reverse with the intake grill opening direction that rotating blading is provided with, also reverse with the whirlwind mouth opening direction that its whirlwind sleeve is provided with outward; The whirlwind mouth that described reverse eddy flow tray whirlwind sleeve is outer, reverse with the intake grill opening direction that described guide plate is provided with; Intake grill on the described guide plate, reverse with the intake grill opening direction on the rotating blading; Inlet shell intracavity bottom below described reverse eddy flow tray is provided with and holds the dirt housing; Described appearance dirt housing lower end is communicated with the dust flue that is connected in the inlet shell bottom.

The utility model is taked said structure, during work, enter the air filtering for the treatment of of inlet shell, the air swirl that produces by guide plate effectively promotes the rotating blading high speed rotating, the air draft attraction force that rotating blading produces when high speed rotating then drives filtered air, respectively by in the reverse eddy flow tray whirlwind sleeve, be provided with the reverse relatively whirlwind mouth of opening direction outward, form the little powerful air eddy flow of resistance, both satisfied the filtering air requirements of engine operation swimmingly, will treat that again the dust impurity and/or the sleet water droplet that contain in the air filtering promptly pass through to hold the whole eddy flows discharges of dirt housing intracavity bottom.After testing: treat that air filtering contains dust impurity and/or the sleet water droplet is 81.5% through holding dirt housing eddy flow elimination factor; Through papery filter core rejection rate is 99.6%.Compare with prior art, eliminated the early stage obstruction of filter core and reduced air filtering resistance and simple in structure, improved the quality and the output power of engine air filtering effectively and reduced cost of production significantly.

(4) description of drawings:

Fig. 1 is the utility model partial sectional view;

Fig. 2 looks partial sectional view for the left side of Fig. 1;

Fig. 3 is that A-A among Fig. 2 is to sectional view;

Fig. 4 is that the D-D of guide plate 2 among Fig. 3 is to partial sectional view;

Fig. 5 is that B-B among Fig. 2 is to sectional view;

Fig. 6 is that the E-E of rotating blading 4 among Fig. 5 is to partial sectional view;

Fig. 7 is that C-C among Fig. 2 is to sectional view;

Fig. 8 is that the F-F of whirlwind mouth 11 among Fig. 7 is to partial sectional view;

Fig. 9 is that the G-G of whirlwind mouth 12 among Fig. 7 is to partial sectional view;

Figure 10 is the partial sectional view of another mode of execution of the utility model.

(5) embodiment:

Fig. 1 one is shown in Figure 10.This dry-type strength rotational flow air filter for heavy-duty car mainly comprises circular filter housing and is connected the rectangular inlet shell that communicates, circular tornadotron with it; It is the inlet shell inner chamber that is provided with below the air intake pipe 1 being positioned at, and is provided with guide plate 2 ring sets and is connected on the outer round surface of described tornadotron lower end; On the bearing support 3 that in the endoporus of described tornadotron lower end, is provided with, be provided with the sealing and dustproof bearing and be rotatably connected with rotating blading 4; Below rotating blading, be fixed on the reverse eddy flow tray 5 whirlwind sleeves on the inlet shell, ring set is on the cylindrical of rotating blading 4; The whirlwind mouth 12 that described reverse eddy flow tray 5 whirlwind sleeve bottom end faces are provided with, with intake grill 10 opening directions reverse (Fig. 2, Fig. 7, Fig. 9, Fig. 5, shown in Figure 6) that rotating blading is provided with, whirlwind mouth 11 opening directions that are provided with outward with its whirlwind sleeve are 180 degree oppositely (Fig. 7, Fig. 8, shown in Figure 9); The whirlwind mouth 11 that described reverse eddy flow tray whirlwind sleeve is outer, intake grill 9 opening directions that are provided with described guide plate are (Fig. 7, Fig. 8, Fig. 3, shown in Figure 4) oppositely; Intake grill 9 on the described guide plate is with intake grill 10 opening directions reverse (Fig. 3, Fig. 4, Fig. 5, shown in Figure 6) on the rotating blading; Inlet shell intracavity bottom below described reverse eddy flow tray 5, dirt housing 6 is held in the side's of being provided with taper; Described appearance dirt housing lower end is communicated with (Fig. 1, shown in Figure 2) with the dust flue 7 that is connected in the inlet shell bottom.The utility model can also be connected communicate (shown in Figure 10) by the connecting tube 14 that extends with inlet shell, tornadotron split with filter housing according to heavy-duty car connection position difference.During work, the utility model steam outlet pipe 13 is communicated with heavy-duty car engine charge chamber, under the engine charge suction, the air filtering for the treatment of that contains dust impurity and/or sleet water droplet enters the inlet shell inner chamber through suction tude 1, rotational flow air by the generation of guide plate 2 inclination intake grills, effectively promote on its below rotating blading 4 reverse relatively dihedral vane and do the high speed rotating that per minute about 2000 changes, under the air draft attraction force acts that rotating blading 4 high speed rotating produce, contain dust impurity and/or the sleet water droplet is more, proportion is heavier treats air filtering, swimmingly by in the reverse eddy flow tray 5 whirlwind sleeves, be provided with the reverse relatively whirlwind mouth 11 of opening direction outward, 12 enter to hold to converge in the dirt housing and form the powerful air eddy flow.At this moment, treat air filtering under the effect of strength rotational flow air, dust impurity and/or sleet water droplet rotate to its bottom rapidly and all discharge outside the inlet shell (Fig. 1, Fig. 2) by dust flue 7 along its cone-shaped appearance dirt housing 6 inner chamber inclined-planes.Major part contains dust impurity and/or the sleet water droplet is less, proportion is lighter treats air filtering, after then entering the smart filter of papery filter core 8 in the filter housing, enter work in the motor (among Fig. 1, Fig. 2 shown in the direction of arrow) swimmingly through air outlet tube 13 by the tornadotron endoporus.

The above only is a preferred implementation of the present utility model.Be noted that for the person of ordinary skill of the art; under the prerequisite that does not break away from the principle of the invention; need not other technical characteristics that the process creative work just can be associated; can also make some modification and/or improvement; these variations obviously all should be considered as equivalent feature, all belong within the protection domain of the utility model patent.

Claims (3)

1, a kind of dry-type strength rotational flow air filter for heavy-duty car mainly comprises filter housing and is connected inlet shell, the tornadotron that communicates with it; It is characterized in that:, be provided with guide plate (2) ring set and be connected on the outer surface of described tornadotron lower end being positioned at the inlet shell inner chamber that is provided with air intake pipe (1) below; On the bearing support (3) that in the endoporus of described tornadotron lower end, is provided with, be rotatably connected with rotating blading (4); Below rotating blading, be fixed on reverse eddy flow tray (5) the whirlwind sleeve on the inlet shell, ring set is on the cylindrical of rotating blading (4); The whirlwind mouth (12) that described reverse eddy flow tray (5) whirlwind sleeve bottom end face is provided with, reverse with intake grill (10) opening direction that rotating blading is provided with, also reverse with whirlwind mouth (11) opening direction that its whirlwind sleeve is provided with outward; The whirlwind mouth (11) that described reverse eddy flow tray whirlwind sleeve is outer, reverse with intake grill (9) opening direction that described guide plate is provided with; Intake grill on the described guide plate (9), reverse with intake grill (10) opening direction that rotating blading is provided with; Inlet shell intracavity bottom in described reverse eddy flow tray (5) below is provided with and holds dirt housing (6); Described appearance dirt housing lower end is communicated with the dust flue (7) that is connected in the inlet shell bottom.

2, dry-type strength rotational flow air filter for heavy-duty car according to claim 1 is characterized in that: described filter housing is to be connected with inlet shell, tornadotron split by connecting tube (14) to communicate.

3, dry-type strength rotational flow air filter for heavy-duty car according to claim 1 and 2 is characterized in that: described appearance dirt housing (6) is a cone-like structure.

Images