CN220248232U - Agricultural machinery air cleaner - Google Patents

Abstract

The utility model relates to the technical field of engine parts, in particular to an agricultural machine air filter, which comprises an upper main body, a lower main body and an upper cover, wherein a plurality of air inlets are circumferentially uniformly distributed at the joint of the upper cover and the upper main body along the circumferential direction of the lower main body; the side wall of the upper cylinder structure is tangentially provided with a plurality of sand discharge holes, and the included angle between the plane of the sand discharge holes and the tangent plane of the cylinder is 30 degrees; one end of the lower cylinder structure, which is close to the lower main body, is provided with a dust removing pad, and one side of the lower cylinder structure is also provided with an air inlet pipe; the lower main body is internally lapped with an installation seat, and a dust-proof pad is arranged in the installation seat. Through the structure setting of spiral body and sand discharge hole, can discharge most dust for the air that gets into the rear end is comparatively clean, has alleviateed the adsorption pressure of dust separation pad, dust removal pad, has reduced the clean and the change frequency of dust separation pad, dust removal pad.

Description

Agricultural machinery air cleaner

Technical Field

The utility model relates to the technical field of air filters, in particular to an agricultural machine air filter.

Background

The air filter for the engine is arranged at the air inlet of the engine and is used for filtering air entering the engine, so that the air is ensured to be clean, and the engine is prevented from being damaged due to the fact that air with impurity particles is sucked in when the engine runs. Because the agricultural machinery is worse in use environment, the operation environment of the agricultural machinery often causes the air to contain more dust and other impurities, so that the air filter for the agricultural machinery has higher filtering requirements.

The existing air filter, such as the air filter for the internal combustion engine disclosed in CN204716427U, comprises a lower shell, an upper shell, an air inlet window circumferentially surrounding the lower shell and a dust removing window circumferentially arranged on the outer side surface of the upper shell, wherein the dust removing window is very close to a guide vane, so that the sand removing effect is not obvious, the filtering pressure of the rear end is increased, and the replacement period of engine oil and a filter element is shorter.

Aiming at the defects, the agricultural machine air filter with good sand discharging effect and good filtering performance is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an air filter for an agricultural machine, which aims at solving the problem of poor sand discharge effect in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an agricultural machinery air cleaner comprises a lower main body, an upper main body and an upper cover which are sequentially connected; the upper end of the upper main body is provided with an outwards extending flange, a plurality of air inlets are circumferentially and uniformly distributed on the flange, a dustproof pad is arranged on the flange, and a surrounding body with a diversion effect is arranged in the upper cover; the spiral body is circumferentially provided with a plurality of blades inclined towards the same direction and forms a spiral structure, the spiral body is lapped on the upper main body, the upper main body is provided with a central air pipe penetrating through the lower main body, the upper main body further comprises an upper cylinder structure and a lower cylinder structure, and the upper cylinder structure and the lower cylinder structure are fixedly connected and communicated with the central air pipe; the side wall of the upper cylinder structure is tangentially provided with a plurality of sand discharge holes; one end of the lower cylinder structure, which is close to the lower main body, is provided with a dust removing pad, and one side of the lower cylinder structure is also provided with an air inlet pipe; the lower main body is internally lapped with an installation seat, and a dust-proof pad is arranged in the installation seat.

The beneficial effect of this scheme is: the air flow passing through the spiral body forms vortex and under the action of centrifugal force, larger particle dust is thrown out, enters a cavity formed between the spiral body and the upper cylinder structure and is discharged through a plurality of sand discharge holes tangentially arranged on the outer wall of the upper cylinder structure; through being equipped with a plurality of sand discharge hole at last drum structure outer wall tangential for big granule dust is discharged from the sand discharge hole easily under centrifugal force effect, has reduced the filtration pressure of rear end filter core. Through the structure setting of spiral body and sand discharge hole, can discharge most dust for the air that gets into the rear end is comparatively clean, has alleviateed the adsorption pressure of dust separation pad, dust removal pad, has reduced the clean and the change frequency of dust separation pad, dust removal pad.

Further, the included angle between the plane of the sand discharge hole and the tangent plane of the cylinder is 30 degrees. The included angle opens the sand discharging hole, and the sand discharging effect is best.

Further, the center air pipe is also sleeved with a check ring, and the check ring is tightly attached to the dust removing pad. The check ring is arranged for reducing the thickness of the dust removing pad, which is beneficial to ensuring the sufficient air inflow of the engine.

Further, one end of the air inlet pipe is fixedly connected with a positioning plate, and a plurality of through holes are formed in the positioning plate. The filter is convenient to install.

Further, the lower main body is also provided with a plurality of buckles, and the buckles can be buckled on the flange at the lower end of the upper main body. The buckle structure is used, so that the dust isolation pad and the dust removal pad can be conveniently taken out, and dust can be conveniently cleaned.

Further, the upper cover is riveted with the upper body. The riveting cost is low, and the connection is reliable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the screw of the present utility model;

FIG. 3 is a schematic view of the structure of the sand discharging hole of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the dust-proof device comprises an upper main body 1, an air inlet 11, a dust-proof pad 12, a spiral body 13, a sand discharge hole 14, a sand discharge hole plane 141, a cylinder section 142, a central air pipe 15, a lower main body 2, a dust-proof pad 21, a dust-proof pad 22, a check ring 23, an air outlet pipe 24, a positioning plate 25, an upper cover 3 and a surrounding body 31.

Examples

The embodiment is basically shown in the accompanying drawings 1-2, and the agricultural machinery air filter shown in the figure 1 comprises a lower main body 2, an upper main body 1 and an upper cover 3 which are sequentially connected, wherein the upper main body 1 is detachably and fixedly connected with the lower main body 2, and the upper main body 1 is riveted with the upper cover 3; the upper end of the upper main body is provided with an outwards extending flange, a plurality of air inlets 11 are circumferentially and uniformly distributed on the flange, in the embodiment, eight fan-shaped air inlets 11 are circumferentially and uniformly distributed on the flange, a dustproof pad 12 is arranged on the flange, the dustproof pad 12 is in a circular ring shape, is made of a coarse-pore sponge, plays a certain dustproof effect, and the dustproof pad 12 just can cover all the air inlets 11; a surrounding body 31 with a diversion function is arranged in the upper cover 3; the air flow can pass through gaps among the blades and form vortex, ten blades are arranged in the embodiment, the upper end of the spiral body 13 is lapped on the upper main body 1, the upper main body 1 is provided with a central air pipe 15 penetrating into the lower main body 2, the upper main body 1 further comprises an upper cylinder structure and a lower cylinder structure, and the upper cylinder structure and the lower cylinder structure are welded with the outer surface of the central air pipe 15 and are communicated through the central air pipe 15; as shown in fig. 3, the side wall of the cylindrical structure of the upper main body 1 is tangentially provided with a plurality of sand discharge holes 14, and the included angle between the sand discharge hole plane 141 and the cylindrical tangential plane 142 is 30 degrees, so that large-particle dust is easily discharged from the sand discharge holes 14 under the action of centrifugal force; one end of the lower cylinder structure, which is close to the lower main body 2, is provided with a dust removing pad 22, one side of the lower cylinder structure is also provided with an air outlet pipe 24, and the air outlet pipe 24 is communicated with an air inlet pipe of an agricultural engine; the lower main body 2 is internally lapped with a mounting seat, the mounting seat is provided with a large number of hollowed holes, the air flow is not influenced, and the mounting seat is internally provided with a dust-separating pad 21, in the embodiment, the dust-separating pad 21 uses coarse sponge, and the dust-removing pad 22 uses fine sponge.

The center air pipe 15 is also sleeved with a check ring 23, the check ring 23 is tightly attached to the dust removing pad 22, and the check ring 23 is arranged to limit the dust removing pad 22 and is used for reducing the thickness of the dust removing pad 22, so that the sufficient air inflow of the engine is ensured.

One end of the air inlet pipe is fixedly connected with a locating plate 25, and a plurality of through holes are formed in the locating plate 25, so that the whole filter is convenient to locate and fix.

The lower main body 2 is also provided with a plurality of rotatable buckles, and the buckles can be buckled on the flange of the lower end of the upper main body 1, so that the upper main body 1 and the lower main body 2 are buckled, the buckles are common prior art, a specific structure is not repeated, the buckles are rotated and opened, the dust isolation pad 21 and the dust removal pad 22 can be conveniently taken out, and dust is conveniently cleaned.

In the present embodiment, the upper cover 3 is riveted with the upper body 1.

The specific implementation process is as follows:

when the agricultural engine works, the dustproof pad 12 arranged above the air inlet 11 plays a primary dustproof effect, air enters the upper main body 1 from the air inlet 11, is guided by the surrounding body 31 arranged in the upper cover 3, enters the spiral body 13, and generates air vortex due to the fact that the blades are obliquely arranged in the same direction, so that most of larger particles of dust is thrown out under the action of centrifugal force, enters a cavity formed between the spiral body 13 and the upper cylinder structure, and is easily discharged through the sand discharge holes 14 arranged on the outer wall of the upper cylinder structure; the cleaner air enters the lower main body 2 through the central air pipe 15, and then enters the agricultural engine through the air outlet pipe 24 after being adsorbed by the two-stage sponge of the dust separation pad 21 and the dust removal pad 22.

The foregoing is merely exemplary embodiments of the present utility model, and specific technical solutions and/or common general knowledge of features that are known in the art are not described here too much. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (6)

1. An agricultural machinery air cleaner, characterized in that: comprises a lower main body, an upper main body and an upper cover which are connected in sequence; the upper end of the upper main body is provided with an outwards extending flange, a plurality of air inlets are circumferentially and uniformly distributed on the flange, a dustproof pad is arranged on the flange, and a surrounding body with a diversion function is arranged in the upper cover; the spiral body is circumferentially provided with a plurality of blades inclined towards the same direction and forms a spiral structure, the spiral body is lapped on the upper main body, the upper main body is provided with a central air pipe penetrating through the lower main body, the upper main body further comprises an upper cylinder structure and a lower cylinder structure, and the upper cylinder structure and the lower cylinder structure are fixedly connected and communicated with the central air pipe; the side wall of the upper cylinder structure is tangentially provided with a plurality of sand discharge holes; one end of the lower cylinder structure, which is close to the lower main body, is provided with a dust removing pad, and one side of the lower cylinder structure is also provided with an air inlet pipe; the lower main body is internally lapped with an installation seat, and a dust-proof pad is arranged in the installation seat.

2. An agricultural machine air cleaner according to claim 1, wherein: the included angle between the plane of the sand discharging hole and the tangent plane of the cylinder is 30 degrees.

3. An agricultural machine air cleaner according to claim 2, wherein: the center air pipe is also sleeved with a check ring, and the check ring is tightly attached to the dust removing pad.

4. An agricultural machine air cleaner according to claim 3, wherein: one end of the air inlet pipe is fixedly connected with a positioning plate, and a plurality of through holes are formed in the positioning plate.

5. An agricultural machine air cleaner according to claim 4, wherein: the lower main body is also provided with a plurality of buckles which can be buckled on the flange at the lower end of the upper main body.

6. An agricultural machinery air cleaner according to claim 5, wherein: the upper cover is riveted with the upper body.