CN209855930U - Heavy-duty truck air inlet duct assembly - Google Patents

Abstract

The utility model relates to the technical field of automobile air inlet channels, in particular to an air inlet channel assembly of a heavy truck; adopt the high position causes a structure that pipe one end was provided with prefilter unit, through the combined action of the inside whirl outer tube of prefilter unit and whirl inner tube to carry out preliminary colating to the air, have efficient dust prefiltration effect, solved traditional dirty air of intake duct and directly got into the problem that the intake duct caused the dust to pile up fast easily.

Description

Heavy-duty truck air inlet duct assembly

Technical Field

The utility model relates to a car intake duct technical field especially relates to a heavy truck intake duct assembly.

Background

The air inlet channel is used as an important component of an air inlet system and mainly plays roles in removing water and ash so as to ensure the drying of an air filter element and higher ash removal and pre-filtration efficiency, the structure of the air inlet channel directly influences the quality, the cleanliness, the air flow speed and the like of air entering an engine, and the factors directly influence the dynamic property and the economical efficiency of the engine and the service life of the engine.

The current air inlet channel only changes the flow direction of air, dirty air can concentrate to the dust exhaust port under the action of gravity at the big granule of the in-process through the air inlet channel, but the air inlet channel filtration efficiency of finding this kind of structure in the actual experiment process can only reach 35% -40%, can not effectively alleviate air cleaner's load, has increased maintenance cost invisibly. Meanwhile, due to the fact that the air inlet line is prolonged and the air inlet sectional area is small, air inlet resistance of the whole machine is increased, and energy conservation and emission reduction are not facilitated. The air inlet passage processing technology is relatively complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a heavy truck intake duct assembly, adopts the high position causes pipe one end to be provided with the structure of filter equipment in advance, through the combined action of the inside whirl outer tube of filter equipment in advance and whirl inner tube to carry out preliminary colating to the air, have efficient dust prefiltration effect, solved traditional dirty air of intake duct and directly got into the intake duct and cause the very fast accumulational problem of dust easily.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a high-position air-entraining pipe; an air filter is arranged at the lower part of the high-level air-entraining pipe; a corrugated pipe is arranged between the high-level air-entraining pipe and the air filter; two ends of the corrugated pipe are respectively clamped with the high-position air-entraining pipe and the air filter; one end of the high-position inducing pipe is provided with a pre-filtering device.

Further optimizing the technical scheme, the air filter comprises an air guide pipeline, an air filter shell, a main filter element, an air filter end cover, a vacuum dust exhaust valve and a filter element support rod; the main filter element is sleeved inside the air filter shell through the filter element supporting rod; the two sides of the air filter shell are symmetrically clamped with air filter end covers; one end of the lower part of the air filter shell is provided with a vacuum dust exhaust valve; and two ends of the air guide pipeline are respectively clamped with the corrugated pipe and the air filter shell.

Further optimizing the technical scheme, the pre-filtering device comprises a front end cover, a rear shell, a cyclone tube and a drain valve; the rear shell is clamped with the high-position air-entraining pipe; the front end cover is clamped with the rear shell; a plurality of groups of cyclone tubes are clamped between the front end cover and the rear shell; and one side of the rear shell is clamped with a drain valve.

Further optimizing the technical scheme, the cyclone tube comprises a cyclone outer tube and a cyclone inner tube; the rotational flow outer pipe and the rotational flow inner pipe are sleeved; the lower end of the interior of the rotational flow outer pipe is provided with rotational flow blades; the rotational flow blades are clamped with the rotational flow outer pipe; and a cyclone blind hole is formed in one side of the upper end of the cyclone outer tube.

Compared with the prior art, the utility model has the advantages of it is following: 1. one end of the lower part of the air filter shell is provided with a vacuum dust exhaust valve, and the structure can clean accumulated dust in the air filter in time; 2. one side of the rear shell is clamped with a drain valve, and accumulated water in the pre-filtering device can be drained in time through the structure; 3. the cyclone outer pipe and the cyclone inner pipe are sleeved, and the structure can achieve a coarse filtration effect on air.

Drawings

Fig. 1 is a schematic view of an overall structure of an air inlet duct assembly of a heavy-duty truck.

FIG. 2 is a schematic view of an air cleaner assembly for an air intake duct of a heavy-duty truck.

FIG. 3 is a schematic diagram of a pre-filter device for an air intake duct assembly of a heavy truck.

FIG. 4 is a schematic view of a swirl tube structure of an air inlet assembly for a heavy truck.

FIG. 5 is a schematic view of a swirl outer tube of an air inlet duct assembly of a heavy-duty truck.

In the figure: 1. a high position air-entraining pipe; 2. an air cleaner; 3. a pre-filtration device; 4. a swirl tube; 101. a bellows; 201. an air guide pipeline; 202. an air filter shell; 203. a main filter element; 204. an air filter end cover; 205. a vacuum dust exhaust valve; 206. a filter element support rod; 301. a front end cover; 302. a rear housing; 303. a drain valve; 401. a swirling outer pipe; 402. a rotational flow inner pipe; 403. a swirl vane; 404. and (4) cyclone blind holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: shown in connection with fig. 1-5, includes a high level bleed air duct 1; an air filter 2 is arranged at the lower part of the high-position air-entraining pipe 1; a corrugated pipe 101 is arranged between the high-level air-entraining pipe 1 and the air filter 2; two ends of the corrugated pipe 101 are respectively clamped with the high-position air-entraining pipe 1 and the air filter 2; one end of the high-position inducing pipe is provided with a pre-filtering device 3; the air filter 2 comprises an air guide pipeline 201, an air filter shell 202, a main filter element 203, an air filter end cover 204, a vacuum dust exhaust valve 205 and a filter element support rod 206; the main filter element 203 is sleeved inside the air filter shell 202 through the filter element support rod 206; the two sides of the air filter shell 202 are symmetrically clamped with air filter end covers 204; one end of the lower part of the air filter shell 202 is provided with a vacuum dust exhaust valve 205; two ends of the air guide pipeline 201 are respectively clamped with the corrugated pipe 101 and the air filter shell 202; the pre-filtering device 3 comprises a front end cover 301, a rear shell 302, a cyclone tube 4 and a drain valve 303; the rear shell 302 is clamped with the high-position air-entraining pipe 1; the front end cover 301 and the rear shell 302 are clamped; a plurality of groups of cyclone tubes 4 are clamped between the front end cover 301 and the rear shell 302; one side of the rear shell 302 is clamped with a drain valve 303; the cyclone tube 4 comprises a cyclone outer tube 401 and a cyclone inner tube 402; the cyclone outer pipe 401 and the cyclone inner pipe 402 are sleeved; the lower end of the interior of the cyclone outer pipe 401 is provided with cyclone blades 403; the cyclone blades 403 are clamped with the cyclone outer tube 401; and a cyclone blind hole 404 is formed in one side of the upper end of the cyclone outer tube 401.

When the air filter is used, in the first step, as shown in fig. 1, the flow direction of air is changed only by the existing air inlet, and large particles of dirty air passing through the air inlet can be concentrated to the dust exhaust port under the action of gravity, but in the practical experiment process, the filtering efficiency of the air inlet with the structure can only reach 35% -40%, the load of the air filter 2 cannot be effectively relieved, and the maintenance cost is invisibly increased. Meanwhile, due to the fact that the air inlet line is prolonged and the air inlet sectional area is small, air inlet resistance of the whole machine is increased, and energy conservation and emission reduction are not facilitated. The air inlet channel processing technology is relatively complex, therefore, a user can use the heavy-duty truck air inlet channel assembly, so that the problems are solved;

step two, as shown in fig. 2-5, when the user uses the desert air filter of the present invention, firstly, the air passes through the pre-filtering device 3 at the upper part of the high-position air-guiding pipe 1, then enters along the cyclone outer pipe 401, and then the air starts to rise spirally under the driving of the second cyclone blade 403 in the cyclone outer pipe 401, at this moment, some solid particulate matters with larger particle diameter and liquid enter between the front end cover 301 and the rear shell 302 along the cyclone blind hole 404 at the upper part of the cyclone outer pipe 401, so as to realize the pre-filtering of the air, after a period of use, the user can open the drain valve 303 to drain away the accumulated water and dust in the interior, at this moment, the cleaner air enters into the corrugated pipe 101 and the air duct 201 via the cyclone inner pipe 402, and then enters into the air filter 2, at this moment, the air is filtered by the main filter element 203 in the air filter shell, and then enters the interior of the engine through the air filter end cover 204 to participate in the operation of the engine.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (4)

1. The utility model provides a heavy lorry intake duct assembly which characterized in that: comprises a high-level air-entraining pipe (1); an air filter (2) is arranged at the lower part of the high-position air-entraining pipe (1); a corrugated pipe (101) is arranged between the high-level air-entraining pipe (1) and the air filter (2); two ends of the corrugated pipe (101) are respectively clamped with the high-position air-entraining pipe (1) and the air filter (2); one end of the high-position inducing pipe is provided with a pre-filtering device (3).

2. The heavy truck air scoop assembly of claim 1 wherein: the air filter (2) comprises an air guide pipeline (201), an air filter shell (202), a main filter element (203), an air filter end cover (204), a vacuum dust exhaust valve (205) and a filter element support rod (206); the main filter element (203) is sleeved inside the air filter shell (202) through the filter element support rod (206); the two sides of the air filter shell (202) are symmetrically clamped with air filter end covers (204); one end of the lower part of the air filter shell (202) is provided with a vacuum dust exhaust valve (205); the two ends of the air guide pipeline (201) are respectively clamped with the corrugated pipe (101) and the air filter shell (202).

3. The heavy truck air scoop assembly of claim 1 wherein: the pre-filtering device (3) comprises a front end cover (301), a rear shell (302), a cyclone tube (4) and a drain valve (303); the rear shell (302) is clamped with the high-position air-entraining pipe (1); the front end cover (301) is clamped with the rear shell (302); a plurality of groups of cyclone tubes (4) are clamped between the front end cover (301) and the rear shell (302); and one side of the rear shell (302) is clamped with a drain valve (303).

4. The heavy truck air scoop assembly of claim 3 wherein: the cyclone tube (4) comprises a cyclone outer tube (401) and a cyclone inner tube (402); the rotational flow outer pipe (401) and the rotational flow inner pipe (402) are sleeved; the lower end of the interior of the cyclone outer pipe (401) is provided with cyclone blades (403); the cyclone blade (403) is clamped with the cyclone outer pipe (401); and a cyclone blind hole (404) is formed in one side of the upper end of the cyclone outer pipe (401).