KR20120016815A - A brush cutter - Google Patents

A brush cutter Download PDF

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Publication number
KR20120016815A
KR20120016815A KR1020100079287A KR20100079287A KR20120016815A KR 20120016815 A KR20120016815 A KR 20120016815A KR 1020100079287 A KR1020100079287 A KR 1020100079287A KR 20100079287 A KR20100079287 A KR 20100079287A KR 20120016815 A KR20120016815 A KR 20120016815A
Authority
KR
South Korea
Prior art keywords
blade
support
protective cover
mowing
stopper
Prior art date
Application number
KR1020100079287A
Other languages
Korean (ko)
Inventor
민영준
Original Assignee
민영준
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 민영준 filed Critical 민영준
Priority to KR1020100079287A priority Critical patent/KR20120016815A/en
Publication of KR20120016815A publication Critical patent/KR20120016815A/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/82—Other details
    • A01D34/828—Safety devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B39/00—Other machines specially adapted for working soil on which crops are growing
    • A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
    • A01B39/18—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for weeding
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D2101/00—Lawn-mowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/73—Cutting apparatus
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D57/00—Delivering mechanisms for harvesters or mowers
    • A01D57/22—Delivering mechanisms for harvesters or mowers for standing stalks
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D75/00—Accessories for harvesters or mowers
    • A01D75/20—Devices for protecting men or animals
    • A01D75/206—Devices for protecting men or animals for mowers carried by operator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
    • B60B33/0044—Roller type wheels, i.e. extra wide wheels

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

According to a preferred embodiment of the present invention, the blade support is provided at the end of the support rod, the blade cutting blade is provided on the outer peripheral surface of the blade support, and the blade support is installed on the lower side of the blade support so that the blade support is spaced apart from the ground at a predetermined distance Mowing blade structure is provided with a supporting roller; A protective cover installed on one side of the support rod to protect the worker from dangerous goods generated during operation; It is formed on one side of the protective cover, it is provided with a mowing device comprising a push rod for collecting the long grass.

Description

Mowers {A brush cutter}

The present invention relates to a mowing machine, and more particularly, to securely support the mowing blade by a blade support, and to work with less force than the conventional by the support roller, and relates to made to reduce the impact of the ground. .

In general, a lawnmower for mowing grass or grass is provided with a mowing blade that rotates at a high speed, and the power of the motor rotates the mowing blade to mow the grass or the lawn. These mowers are mainly cut grass or grass growing in the garden or oxygen or paddy field to the appropriate height. In the case of such garden or oxygen, the grass or grass is not completely removed, but it is cut to maintain the proper height. It's growing well.

However, in order to mow the grass or grass to the appropriate height while the mowing blade rotates at a high speed, the conventional mowing machine has to work with the mowing blade lifted a certain distance from the ground, which requires the user's skilled operation ability. In addition, there is a problem that requires a lot of physical strength when using for a long time.

In addition, when trying to cut a long or collapsed pool, the user can not see the mowing blade well by the pool causes a problem inconvenient work.

The present invention is to solve the problems described above, an embodiment of the present invention relates to the mowing blade is supported by a pair of support body, the work safety is improved compared to the prior art.

According to a preferred embodiment of the present invention, the blade support is provided at the end of the support rod, the blade cutting blade is provided on the outer peripheral surface of the blade support, and the blade support is installed on the lower side of the blade support so that the blade support is spaced apart from the ground at a predetermined distance Mowing blade structure is provided with a supporting roller; A protective cover installed on one side of the support rod to protect the worker from dangerous goods generated during operation; It is formed on one side of the protective cover, it is provided with a mowing device comprising a push rod for collecting the long grass.

According to an embodiment of the present invention as described above, first, since the mowing blade is fixed by a pair of support bodies, the mowing blade can be prevented from being separated.

Second, the long grass can be efficiently collected and cut by one side by the lattice formed on the rod, and also the raised grass can be raised and cut up, thereby improving visibility at work.

Third, by mounting the wheel on the lower part of the protective cover, even if the worker does not need to hold the support rod in the weeding operation, even if placed on the floor is supported by the wheel to prevent the mowing blades from touching the ground, and also freely supported by the wheel Since the rod is swiveled, weeding can be easily performed.

Fourth, the bottom of the support roller is convex, so that the area in contact with the bottom is minimized, so that the support rod is easily moved.

Fifth, by using a plurality of blades compared to the date of the risk of accidents are reduced, cutting blade grooves are formed to be cut without slipping.

Sixth, it is possible to work with less force than the conventional roller by the support rollers, the support rollers are rotatably installed to reduce the impact of the ground, mowing blades are separated from the floor, the gravel or soil of the floor is scattered Workers can be prevented from getting injured.

Seventh, the left and right side surfaces of the mowing blades have a point symmetrical shape, and after using the blade in one direction, the blades in the other direction can be used, thereby extending the life of the overall cutting blade.

1 is a perspective view showing a lawn mower according to an embodiment of the present invention;
Figure 2 is a perspective view of the mowing blade structure of the mowing device shown in Figure 1,
3 is a perspective view of the support roller of the lawn mower shown in FIG. 1;
4 is a perspective view of a push rod of the lawn mower shown in FIG. 1;
5 is a perspective view of a protective cover of the lawn mower shown in FIG.

Hereinafter, a preferred embodiment of the lawn mower according to an embodiment of the present invention will be described with reference to the accompanying drawings. 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 later 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.

In addition, the following examples are not intended to limit the scope of the present invention, but merely illustrative of the components set forth in the claims of the present invention, which are included in the technical spirit throughout the specification of the present invention and constitute the claims Embodiments that include a substitutable component as an equivalent in the element may be included in the scope of the present invention.

1 is a perspective view showing a lawn mower according to an embodiment of the present invention, FIG. 2 is a perspective view of a cutting blade structure of the lawn mower shown in FIG. 1, FIG. 3 is a perspective view of a support roller of the lawn mower shown in FIG. Figure 4 is a perspective view of the pusher of the lawn mower shown in Figure 1, Figure 5 is a perspective view of the protective cover of the mower shown in FIG.

The lawn mower according to the preferred embodiment of the present invention includes a blade support 20 installed at an end of the support rod 10, a mowing blade 30 having a plurality of blades provided on the outer circumferential surface of the blade support 20, and the blade. Is installed on the lower side of the support 20 mowing blade structure is provided with a support roller 40 for the blade support 20 is spaced apart from the ground by a predetermined interval; A protective cover 50 installed at one side of the support rod 10 to protect the worker from dangerous goods generated during operation; And a push rod 60 formed on one side of the protective cover 50 to collect the long grass.

The lawn mower of the present invention includes a support rod 10, a mowing blade structure, a protective cover 50, and a push rod 60.

One end of the support rod 10 is connected to the engine by a flexible hose, and the other end is connected to the blade support 20. Therefore, the rotational force of the engine unit is transmitted to the mowing blade 30 of the blade support 20 through the support rod 10, the grass or the grass is mowed by the mowing blade 30.

A supporting roller 40 is disposed below the blade support 20 to prevent the cutting blade 30 from contacting the floor. That is, by the support roller 40, the cutting blade 30 can be kept at a constant distance from the floor at all times, the operator does not need to hold the cutting blade 30 hard, can reduce the physical consumption, constant length You can cut grass, grass, etc.

In addition, the mowing blade 30 is spaced apart from the floor can be prevented from injuring the worker by scattering gravel or soil of the floor.

At this time, the support roller 40 is preferably made of a semi-circular shape, the upper portion is flat, the lower portion is convex. By convexing the lower portion of the support roller 40, the support roller 40 is easily moved since the area in contact with the bottom is minimized.

The protective cover 50 is disposed between the mowing blade 30 and the worker, is convexly curved in the worker direction to surround the mowing blade 30, and is mounted on the support rod 10.

The pusher 60 is mounted on the upper portion of the protective cover 50. Push rod 60 is made long in the direction of the mowing blade (30) from the protective cover 50, serves to collect the long grass or fallen grass to one side. The push rod 60 may be integrally formed with the protective cover 50 or may be mounted by a fastening member such as a bolt.

In the lawn mower according to a preferred embodiment of the present invention, the blade support body 20, a pair of support body 21 is provided at the end of the support rod 10 and the space portion is formed in the center; And a stopper 22 installed in the space portion of the support body 21.

As shown in FIG. 2, the blade support 20 includes a support body 21 and a stopper 22.

The support body 21 is composed of a pair, a space portion is formed in the center of the support body 21, the lawn mower blade 30 is fitted between the edge of the pair of support body 21 is coupled. That is, compared to the conventional mowing machine, since the mowing blade 30 is fixed to two layers of the support body 21, it is possible to prevent the mowing of the mowing blade 30 during operation.

The stopper 22 has a polygonal outer shape and a coupling hole is formed at the center of the stopper 22. The stopper 22 is provided with a size corresponding to the space portion of the support body 21 and is fitted between the edges of the support body 21 and coupled thereto. The stopper 22 serves to limit the moving range of the mowing blade 30. That is, the cutting blade 30 is rotatable around the point where the support body 21 is coupled, the cutting blade 30 is rotated until the side contact with the stopper 22 outer surface.

The outer shape of the support body 21 may be formed in a polygonal shape, for example, it may be formed in a hexagonal shape. In this case, by placing the mowing blade 30 at three vertices that do not neighbor, it is possible to have a shape of the joint three blades.

In the case of a conventional straight blade, the resistance is too large, 4 to 5 meters of material is likely to be scattered, causing an accident, but in the case of articulated mowing blades (30) when the grass or strong material hit the mowing blades (30) backwards The risk of accidents is reduced because the stones are not flipped away and splashed away.

That is, when the mowing blade 30 hits a strong material, the mowing blade 30 is rolled up until it reaches the stopper 22, thereby improving safety.

In the lawn mower according to a preferred embodiment of the present invention, the support roller 40, the support washer 41 is installed on one side of the stopper 22; And one side is supported by the support washer 41, the inside is provided with a rotatable bearing shaft top gyro 42 for rotationally supporting the ground during operation; comprises.

As shown in FIG. 3, the support roller 40 includes a support washer 41 and a top 42.

Support washer 41 is installed on one side of the stopper 22, the coupling bolt is fitted in the center of the support washer (41).

The top 42 is provided with a bearing shaft, one end of the bearing shaft is formed with a thread is coupled to the coupling bolt. A wrench groove is formed at the end of the bearing shaft, and the wrench can be combined using a wrench. Since the top surface of the top 42 is not in contact with the support washer 41 when the wrench coupling is completed, the bearing shaft is not rotated according to the rotation of the bearing and only the outside of the bearing shaft can be rotated.

Therefore, when the top 42 is in contact with the ground, the mowing blade 30 is rotated, but the top 42 does not rotate, and when the support rod 10 is moved, the top 42 rotates and slides well. .

In the lawn mower according to a preferred embodiment of the present invention, the wheel 51 is mounted on the lower portion of the protective cover 50, and the wheel 51 has a long length of the lower surface of the protective cover 50. Arranged to rotate.

As shown in Figure 5, the wheel 51 is mounted on the lower portion of the protective cover 50.

The wheels 51 are formed of two or more, respectively, so as to be mounted on both sides of the lower portion of the protective cover 50, the wheel 51 is the rotational direction of the support rod 10, that is, the lower side of the protective cover 50 It is preferable that the length is arranged in the long direction so as to rotate.

By doing so, even if the worker does not need to hold the support rod 10 during the weeding operation, even if placed on the floor, it is supported by the wheels 51 to prevent the mowing blades 30 from touching the ground, and also the wheels 51 Since the support rod 10 turns freely by this, it becomes possible to perform the weeding operation easily.

In the lawn mower according to a preferred embodiment of the present invention, the push rod 60 is formed to extend from the upper center of the protective cover 50, the upper surface plate 61 is provided to reduce the cross-sectional area in the extending direction; A side plate 62 extending downward from one side of the top plate 61; And a lattice 63 partitioning a lower space of the upper surface plate 61 by a plurality of longitudinal ribs 63a extending from the side plate 62 and horizontal ribs 63b crossing one end of the longitudinal rib 63a. It is made to include.

As shown in FIG. 4, the push rod 60 includes a top plate 61, a side plate 62, and a grating 63.

The upper plate 61 is formed to extend from the upper center of the protective cover 50, it is formed to gradually reduce the cross-sectional area toward the outside.

The side plate 62 extends downward from one side of the top plate 61 and is provided flat.

The grating 63 includes a vertical rib 63a and a horizontal rib 63b. The vertical ribs 63a extend downward from the lower surface of the upper plate 61, and one side of the vertical ribs 63a is connected to the side plate 62.

The horizontal rib 63b is formed across one end of the vertical rib 63a, and one side is connected to the side plate 62.

The overall rigidity of the push rod 60 is secured by the lattice 63 structure, and since the vertical ribs 63a and the horizontal ribs 63b securely hold the long grass, it is possible to effectively gather the grasses, so that the visibility at the time of working Is improved.

In the mowing device according to a preferred embodiment of the present invention, the mowing blade 30 is formed to extend from the support body 21, the cutting blade 30, both side cutting blades are point symmetric with each other, the cutting A plurality of cutting blade grooves 31 are formed in the blade, and the mowing blade 30 is made to flow until it reaches the outer surface of the stopper 22.

As shown in FIG. 2, the mowing blade 30 extends from the pair of support bodies 21. It is possible to be made to increase the cross-sectional area toward the outside.

Cutting blades 30 side cutting blades are symmetric with each other. That is, when the cutting blade 30 is cut in any direction parallel to the end surface, the cross-sectional shape has a parallelogram shape. In this case, when the mowing blade 30 on one side is worn out, it is possible to use the mowing blade 30 on the other side by flipping, so that the life of the overall mowing blade 30 is extended.

A plurality of concave cutting blade grooves 31 are formed in the cutting blade. Since the cutting blade groove 31 is prevented from slipping, the cutting is made as soon as the glue or the like touches.

The mowing blade 30 is coupled to the pair of support bodies 21 so as to flow until it reaches the outer surface of the stopper 22, so that the mowing blade 30 is flipped at a sufficient angle when hitting a stone or a strong material during operation. You lose. Therefore, it is possible to prevent an accident from occurring by scattering stones or strong materials, and to prevent damage to the mowing blade 30 due to the impact of the stones or strong materials. In addition, sufficient flow is possible, so that effective shock absorption is achieved even when a strong material is hit.

Hereinafter, an operating state of the present invention having the above-described configuration will be described.

The mowing blade 30 is rotated by the power of the engine unit, and the operator places the wheel 51 and the support roller 40 of the protective cover 50 on the floor.

At this time, the mowing blades 30 are spaced apart from the floor by the wheel 51 and the supporting roller 40 at regular intervals, and the mowing blades 30 rotate without any obstacle.

When the worker wants to perform the weeding operation by turning the support rod 10, the support rod 10 can be easily moved by the wheel 51, and the cutting blade 30 is supported by the support roller 40. Apart from the floor, grass or grass can always be cut to length.

In addition, since the mowing blade 30 is free to flow until it reaches the stopper 22, it is possible to prevent the user from being hurt by scattering gravel or soil on the floor. That is, since the outer shape of the stopper 22 provided in the space portion of the support body 21 is formed in a polygonal shape, it is possible to move naturally until the mowing blade 30 touches one side or the other side of the stopper 22, Even if stones or gravel collide, scattering does not occur.

In addition, by the grid 63 structure of the push rod 60, the long grass or fallen grass can be easily gathered and held to one side, so that weeding can be performed more easily.

10: support rod
20: blade support, 21: support body, 22: stopper
30: mowing blade, 31: cutting blade groove
40: support roller, 41: support washer, 42: top
50: protective cover, 51: wheels
60: rod, 61: top plate, 62: side plate, 63: lattice, 63a: longitudinal rib, 63b: horizontal rib

Claims (6)

A blade cutter provided with a blade support member installed at an end of the support rod, a blade cutter provided with a plurality of blades on the outer circumferential surface of the blade support, and a support roller installed below the blade support so that the blade support is spaced apart from the ground by a predetermined distance. Blade structure;
A protective cover installed on one side of the support rod to protect the worker from dangerous goods generated during operation; And
A lawnmower formed on one side of the protective cover, characterized in that consisting of;
According to claim 1, The blade support,
A pair of support bodies installed at an end of the support rod and having a space in the center thereof; And
A mower, comprising: a stopper installed in the space portion of the support body.
The method of claim 1 or 2, wherein the support roller,
A support washer installed on one side of the stopper; And
One side is supported by the support washer, the inside is provided with a rotatable bearing shaft top for rotating support the ground during work; mowing device comprising a.
The method of claim 3, wherein
The lower portion of the protective cover is mounted on the wheel,
The wheel mower, characterized in that the length of the lower side of the protective cover is arranged to rotate in a long direction.
The method of claim 4, wherein the push rod,
An upper surface plate extending from an upper center of the protective cover and provided to reduce a cross-sectional area along an extending direction;
A side plate extending downward from one side of the upper plate; And
And a lattice partitioning the lower space of the upper plate by a plurality of longitudinal ribs extending from the side plates and horizontal ribs crossing one end of the longitudinal ribs.
The method of claim 5, wherein
The mowing blade is made to extend from the support body,
Both side cutting blades of the mowing blade forms a point symmetry with each other,
The cutting blade is formed with a plurality of cutting blade grooves,
The lawn mower is characterized in that the blade is made movable until it reaches the outer surface of the stopper.
KR1020100079287A 2010-08-17 2010-08-17 A brush cutter KR20120016815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100079287A KR20120016815A (en) 2010-08-17 2010-08-17 A brush cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100079287A KR20120016815A (en) 2010-08-17 2010-08-17 A brush cutter

Publications (1)

Publication Number Publication Date
KR20120016815A true KR20120016815A (en) 2012-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100079287A KR20120016815A (en) 2010-08-17 2010-08-17 A brush cutter

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200470817Y1 (en) * 2012-04-17 2014-01-28 주식회사 세원엔프라 Protecting cover for brush cutter
KR20200000537U (en) * 2018-08-31 2020-03-10 민영준 Lawn trimmer safety joint blade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200470817Y1 (en) * 2012-04-17 2014-01-28 주식회사 세원엔프라 Protecting cover for brush cutter
KR20200000537U (en) * 2018-08-31 2020-03-10 민영준 Lawn trimmer safety joint blade

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