CN213718753U - Grass collecting device of mower - Google Patents

Abstract

The utility model belongs to the field of gardening mechanical equipment, and relates to a grass collecting device of a grass cutter, which comprises a grass cutter body, wherein one side of the grass cutter body is provided with a grass cutter, the upper end of the grass cutter is provided with a protective cover, the protective cover is provided with a through hole, the through hole is provided with a dust collector, the dust collector comprises an outer cover, a dust collecting pipe and a storage barrel, the outer cover is provided with a first suction inlet and a second suction inlet, the first suction inlet and the second suction inlet are respectively internally provided with a first fan and a second fan, the first fan and the second fan are internally provided with a fixed impeller, the fixed impeller comprises a middle plate body with a central hole, and a plurality of arc-shaped upper blades and a plurality of lower blades which are respectively spirally arranged on the middle plate body and at the edge of the lower end surface along the circumferential direction, the upper end surface is provided with an internal connection circular cavity connected with the inner side of the upper blade, and the adjacent two upper blades are gradually narrowed along the direction from the outer side to the internal connection circular cavity to form a wind channel with wide front and narrow back, the extending tail end of the upper blade is a bevel edge extending along the direction from the outer side of the upper blade to the inscribed circular cavity.

Description

Grass collecting device of mower

Technical Field

The utility model belongs to horticulture mechanical equipment makes the field, specifically is a lawn mower grass collecting device.

Background

At present, in the lawn mowers sold in the existing market, in the actual operation process of workers, the situations that the lawn mowers mow grass often occur: the grass scraps processed by the mower can remain on the lawn, and the mowing blade rotating at high speed on the mower can scatter the cut grass to the periphery, and the grass is full of land; in this case, after the lawn mower mows the lawn, the worker often needs to further clean the lawn to collect the grass on the ground, which causes waste of labor and economy, and also consumes time and reduces the working efficiency of mowing, which is disadvantageous for both the worker and the customer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stable in structure, the efficient lawn mower grass-collecting device of grass collection.

The purpose of the utility model is realized like this: a grass collecting device of a mower comprises a mower body, wherein a mowing knife is arranged on one side of the mower body, a protective cover is arranged at the upper end of the mowing knife, a through hole is formed in the protective cover, a dust collector is arranged on the through hole and comprises an outer cover, a dust collecting pipe arranged on the outer cover and a storage barrel arranged at the other end of the dust collecting pipe, a first suction port and a second suction port are formed in the outer cover, a first fan and a second fan for sucking grass are respectively arranged in the first suction port and the second suction port, fixed impellers are respectively arranged in the first fan and the second fan and comprise a middle plate body with a central through hole, and a plurality of arc-shaped upper blades and lower blades which are respectively spirally arranged on the edges of the upper end surface and the lower end surface of the middle plate body in the circumferential direction, and inner circular cavities connected with the extending tail ends of the inner sides of the upper blades are arranged on the upper end surface, the air duct that is narrow after the wide preceding width of form is followed to inscription circle chamber direction to the form of narrowing gradually along the outside between two adjacent upper vanes, the extension end of upper vane is one along the hypotenuse that upper vane outside extends to inscription circle chamber direction.

Preferably, the included angle between the bevel edge and the upper edge of the upper blade is 30-45 degrees.

Preferably, the radius of the arc corresponding to the upper blade is 60-75 mm.

Preferably, store the bucket upper end and offer the feed inlet that links to each other with the dust absorption pipe, the discharge gate has been seted up to the lower extreme, the discharge gate is connected with the storage tank, be equipped with garrulous grass mechanism in the storage bucket, garrulous grass mechanism is including setting up the motor of storage bucket below and by the motor drives rotation and sets up pivot in the storage bucket, be equipped with in the pivot with storage bucket inner wall cooperation carries out the spherical crushing piece of once smashing, spherical crushing piece below be equipped with the deflector that the storage bucket inner wall links to each other and the downward sloping, be equipped with in the middle of the deflector and encircle the pivot supplies the first through-hole that the material fell, the deflector below be equipped with the screen cloth that the pivot links to each other.

Preferably, the upper surface of the guide plate is in a circular arc shape and is matched with the spherical crushing piece for secondary crushing.

Preferably, the guide plate is provided with a hollow portion.

Preferably, the edge of the screen is provided with an upward blocking ring.

Preferably, the blocking ring is inclined towards the rotating shaft, and the angle between the blocking ring and the screen is 30-60 degrees.

Preferably, the discharge port is arranged at the bottom of the storage barrel, and the rotating shaft is provided with a brush rotating along with the rotating shaft.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the utility model discloses set up the dust catcher on the protector, when the motor drove the high-speed rotation of mowing sword, the grass that has very big part to be cut can be beaten on the protector to suction through the dust catcher is collected the useless grass, can let collection grass become more high-efficient like this. The grass cutter can prevent grass cut by the grass cutter from being scattered, the grass cutting efficiency can be improved, cleaning by workers is not needed, and time and labor are saved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the structure of the cover of the present invention;

FIG. 3 is a schematic view of the structure of the fixed impeller of the present invention;

fig. 4 is a schematic view of the storage barrel of the present invention.

Detailed Description

The invention will be further described with reference to specific embodiments.

As shown in fig. 1 to 4, a grass collecting device of a grass mower comprises a grass mower body 3, a grass cutter 4 is arranged on one side of the grass mower body 3, a protective cover 5 is arranged at the upper end of the grass cutter 4, a through hole is formed in the protective cover 5, a dust collector 6 is arranged on the through hole, the dust collector 6 comprises an outer cover 61, a dust suction pipe 62 arranged on the outer cover 61, and a storage barrel 1 arranged at the other end of the dust suction pipe 62, a first suction port 63 and a second suction port 64 are formed in the outer cover 61, a first fan 65 and a second fan 66 for sucking grass are respectively arranged in the first suction port 63 and the second suction port 64, a fixed impeller 67 is respectively arranged in the first fan 65 and the second fan 66, the fixed impeller 67 comprises a middle plate body 71 with a central through hole, and a plurality of arc-shaped upper blades 72 which are respectively arranged on the upper end face edge and the lower end face edge of the middle plate body 71 in a spiral shape along the circumferential direction, The upper end face of the lower blade 73 is provided with an inner circular cavity 74 connected with the inner extending tail end of the upper blade 72, the two adjacent upper blades 72 are gradually narrowed along the direction from the outer side to the inner circular cavity 74 to form an air duct with wide front and narrow back, and the extending tail end of each upper blade 72 is a bevel edge 75 extending along the direction from the outer side of the upper blade 72 to the inner circular cavity 74.

This technical scheme has set up dust catcher 6 on protection casing 5, and when the motor drove the high-speed rotation of grass cutter 4, the grass that has very big part to be cut will be beaten on protection casing 5 to the suction through dust catcher 6 is collected the useless grass, can let like this and collect the grass and become more high-efficient. This just avoids mowing sword 4 to break up the grass that cuts, can improve the work efficiency of mowing, does not need the staff to clean labour saving and time saving. And the fixed impeller 67 directly increases the size of an air inlet between the adjacent upper blades by setting the extending tail end of the upper blade 72 into a bevel edge 75 structure, increases the air inlet amount and improves the air performance of the fan. The storage barrel 1 is fixed at the upper end of the mower body 3 through screws, a protective cover 5 is arranged on one side of the mower body 3, a dust collector 6 is fixed at the upper end of the protective cover 5 through screws, an opening at the lower end of the dust collector 6 corresponds to a through hole formed in the protective cover 5, the dust collector 6 is connected with the storage barrel 1 through a dust collection pipe 62, and dirt absorbed by the dust collector 6 is conveyed into the storage barrel 1 through the dust collection pipe 62.

Preferably, the included angle between the inclined edge 75 and the upper edge of the upper blade 72 is 30-45 °.

Preferably, the radius of the arc corresponding to the upper blade 72 is 60-75 mm.

Preferably, the feed inlet 11 that links to each other with dust absorption pipe 62 is seted up to storage bucket 1 upper end, and discharge gate 12 has been seted up to the lower extreme, discharge gate 12 is connected with storage tank 9, be equipped with garrulous grass mechanism 2 in the storage bucket 1, garrulous grass mechanism 2 is including setting up storage bucket 1 below motor 21 with by motor 21 drives rotation and sets up pivot 22 in the storage bucket 1, be equipped with on the pivot 22 with storage bucket 1 inner wall cooperation carries out kibbling spherical crushing piece 23, spherical crushing piece 23 below be equipped with storage bucket 1 inner wall links to each other and the deflector 30 of downward sloping, be equipped with in the middle of the deflector 30 and encircle pivot 22 and supply the first through-hole 31 that the material fell down, deflector 30 below be equipped with the screen cloth 41 that the pivot 22 links to each other.

Preferably, the upper surface of the guide plate 30 is formed in a circular arc shape to be engaged with the spherical pulverizing member 23 for secondary pulverization.

Above-mentioned technical scheme sets up different crushing teeth and sets up crushing wall with the crushing tooth matched with at this position in crushing incasement wall and deflector 30 upper surface setting that play a role with the second grade crushing through crushing 23 spherical pieces, wherein primary crushing is coarse crushing, the regrinding is fine crushing, such design can let smash ground more evenly, annular baffle carries out the water conservancy diversion to the material through primary crushing on one side, carry out the regrinding to it with spherical crushing piece cooperation on one side, make kibbling efficiency also can improve, smash simultaneously and divide into two stages, also can let the material have a process of cooling, prevent to cause the high temperature damage to material itself.

Preferably, the guide plate 30 is provided with a hollow 32.

Preferably, the edge of the screen 41 is provided with an upward blocking ring to prevent the screen 41 from rotating the material out of the screen 41 when rotating.

Preferably, the blocking ring is inclined toward the rotating shaft 22, and the angle between the blocking ring and the screen 41 is 30-60 °. Can prevent to store the material of 1 bottom of bucket and pile up, sweep the material away from storing bucket 1 fast to can prevent better that the material that does not sieve from dropping to storing bucket 1 bottom.

Preferably, the discharge hole 12 is disposed at the bottom of the storage barrel 1, and the rotating shaft 22 is provided with a brush 221 rotating along with the rotating shaft 22.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The grass collecting device of the mower is characterized by comprising a mower body (3), wherein a mowing knife (4) is arranged on one side of the mower body (3), a protective cover (5) is arranged at the upper end of the mowing knife (4), a through hole is formed in the protective cover (5), a dust collector (6) is arranged on the through hole, the dust collector (6) comprises an outer cover (61), a dust suction pipe (62) arranged on the outer cover (61) and a storage barrel (1) arranged at the other end of the dust suction pipe (62), a first suction port (63) and a second suction port (64) are formed in the outer cover (61), a first fan (65) and a second fan (66) which are used for sucking grass are respectively arranged in the first suction port (63) and the second suction port (64), a fixed impeller (67) is respectively arranged in the first fan (65) and the second fan (66), the fixed impeller (67) comprises a middle plate body (71) with a central through hole and is spirally arranged in the circumferential direction Form is laid in middle plate body (71) upper and lower terminal surface edge's polylith arc form and is gone up blade (72), lower blade (73), and the up end is equipped with and extends end connection's inscription circle chamber (74) with last blade (72) inboard, be the narrow wind channel after the outside becomes the constriction form constitution to inscription circle chamber (74) direction gradually between two adjacent last blades (72), the extension end of going up blade (72) is one and follows hypotenuse (75) that last blade (72) outside extends to inscription circle chamber (74) direction.

2. A grass-catcher as claimed in claim 1, characterized in that the angle between the sloping edge (75) and the upper edge of the upper blade (72) is 30-45 °.

3. The grass-collecting device of a mower as claimed in claim 1, characterized in that the radius of the arc corresponding to said upper blade (72) is 60-75 mm.

4. The grass collecting device of the mower according to claim 1, wherein the storage barrel (1) is provided at an upper end thereof with a feed inlet (11) connected with a dust suction pipe (62), and is provided at a lower end thereof with a discharge outlet (12), the discharge outlet (12) is connected with a storage box (9), the storage barrel (1) is provided therein with a grass chopping mechanism (2), the grass chopping mechanism (2) comprises a motor (21) arranged below the storage barrel (1) and a rotating shaft (22) driven by the motor (21) to rotate and arranged in the storage barrel (1), the rotating shaft (22) is provided with a spherical smashing piece (23) which is matched with the inner wall of the storage barrel (1) for primary smashing, a guide plate (30) which is connected with the inner wall of the storage barrel (1) and is inclined downwards is arranged below the spherical smashing piece (23), and a first through hole (31) which surrounds the rotating shaft (22) and allows materials to fall down is arranged in the middle of the guide plate (30), a screen (41) connected with the rotating shaft (22) is arranged below the guide plate (30).

5. A grass-collecting device according to claim 4, characterized in that the upper surface of said guide plate (30) is shaped like a circular arc to engage said spherical crushing member (23) for secondary crushing.

6. A grass-collecting device according to claim 4, characterized in that said guide plate (30) is provided with a hollow (32).

7. A grass-collecting device according to claim 4, characterized in that the edge of the screen (41) is provided with an upward blocking ring.

8. A grass-collecting device according to claim 7, characterized in that the blocking ring is inclined towards the axis of rotation (22) at an angle of 30 ° -60 ° to the screen (41).

9. A grass-collecting device according to claim 4, characterized in that said outlet (12) is arranged at the bottom of said tank (1), said shaft (22) being provided with brushes (221) rotating with the shaft (22).

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