KR200403471Y1 - the brush cutter knife guard - Google Patents

the brush cutter knife guard Download PDF

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Publication number
KR200403471Y1
KR200403471Y1 KR20-2005-0026579U KR20050026579U KR200403471Y1 KR 200403471 Y1 KR200403471 Y1 KR 200403471Y1 KR 20050026579 U KR20050026579 U KR 20050026579U KR 200403471 Y1 KR200403471 Y1 KR 200403471Y1
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KR
South Korea
Prior art keywords
blade
mowing
bearing
stone
outer diameter
Prior art date
Application number
KR20-2005-0026579U
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Korean (ko)
Inventor
최창곡
Original Assignee
최창곡
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Priority to KR20-2005-0026579U priority Critical patent/KR200403471Y1/en
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Publication of KR200403471Y1 publication Critical patent/KR200403471Y1/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
    • A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • A01D34/46—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders hand-guided by a walking operator
    • A01D34/47—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders hand-guided by a walking operator with motor driven cutters or wheels
    • 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
    • A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • A01D34/49—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders with means for discharging mown material
    • 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
    • A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • A01D34/62—Other details

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

Abstract

본 고안은 예초기칼날보호구에 관한 것으로, 특히 돌뿌리로부터 예초기칼날을 보호하도록 함과 동시에, 칼날회전반경부 측면에 돌출된 돌뿌리 등에 의해서도 칼날을 보호함으로서, 예초기칼날 파편이나, 튕겨나온 돌멩이로부터 인명을 보호하도록 하여, 예초기칼날의 수명을 연장하며, 작업자의 안전을 도모하도록 한 예초기칼날보호구에 관한 것이다.기존에 톱니형이나 방사상의 보호반위로 삐져나온 잡풀만 커팅되고, 작은 잡목은 커팅되지 않기 때문에 예초능률이 현저하게 저하되며, 칼날보호장치내로 장애물들이 유입되어도 감지하기 곤란하였으나, 본 고안은 예초기칼날(100)은 만(卍)자 형상으로 구비된 칼날보호리브(200c)상에서 저속으로 회전하면서, 돌뿌리등을 텃치하면서 예초작업이 진행되도록 한 것이며, 칼날보호리브(200c)의 말단부에 형성된 비틀림리브(200d)는 작업자가 예초기를 좌우로 저어가면서 작업을 하는 경우에 예초기칼날(100)쪽으로 접근되려는 돌뿌리를 쳐내거나,청소기처럼 초보자도 쉽게 작업하도록하며, 작업자에게 장애물이 있음을 감지하도록 하는 역활과 작업중 잡초를 한쪽으로 쳐내는 역활을 하며, 둘레석이나 상석 주변의 작업시 예초기칼날측부를 보호하는 역활을 하는 유용한 고안인 것이다.The present invention relates to a mowing blade protector, in particular to protect the mowing blades from stone roots, and also protect the blades by the stone roots protruding on the side of the blade rotating radius, thereby protecting the blades from mowing blade fragments or bounced stones The present invention relates to a mowing blade protector which extends the life of the mowing blade and protects the worker's safety. Therefore, the mowing efficiency is significantly lowered, and it is difficult to detect even when obstacles are introduced into the blade protection device, but the present invention is that the mowing blade 100 rotates at a low speed on the blade protection rib 200c provided in a bay shape. While mowing the roots, etc., the mowing work is proceeded, and the end portion of the blade protection rib (200c) The torsion ribs 200d are formed when the worker stirs the mowing machine from side to side, and strikes a stone root to be approached to the mowing blade 100, or allows a beginner to work easily as a vacuum cleaner, and detects an obstacle to the worker. It is a useful design to play a role to make and to weed one side of the weeds during work, and to protect the mowing blade side when working around the periphery or upper stone.

Description

예초기칼날보호구{the brush cutter knife guard}Brush cutter knife guard

본 고안은 예초기칼날보호구에 관한 것으로, 특히 예초작업시 예초기칼날보다 높이 돌출된 돌뿌리로부터 예초기칼날을 보호하도록 함과 동시에, 칼날회전반경부 측면에 돌출된 돌뿌리 등에 의해서도 칼날을 보호함으로서, 예초기칼날 파편이나, 튕겨나온 돌멩이로부터 인명을 보호하도록 하여, 예초기칼날의 수명을 연장하며, 초보자들도 청소기 사용과 같이 용이하게 취급하며 안전이 도모하도록 한 예초기칼날보호구에 관한 것이다.The present invention relates to a mowing blade protection device, and in particular to protect the mowing blades from the stone roots protruding higher than the mowing blades during mowing operation, and at the same time to protect the blades by protruding stones on the side of the blade radius, The present invention relates to a mower blade protector which protects people from blade debris or protruding stones, prolongs the life of the mower blade, and allows beginners to handle it as easily as a cleaner and to promote safety.

종래 다양히 공개된 예초기칼날보호장치 또는 안전커버들의 유형중 하나는 예초기칼날자루에 고정한 보호프레임 레일이 예초기칼날보다 일정 상편에 이격되게 하며, 상부와 좌우측방을 보호판재로 막아 형성한 것에 있어서는, 돌뿌리에 의해 튕겨나온 파편을 안전하게 방지할 수 있겠으나, 하부레일이 돌뿌리를 완전하게 넘어 작업하는데 여려움이 따르며, 전후 예초작업은 수월하나, 좌우로 예초작업에는 레일및 보호판재에 잡풀이 걸리거나, 누어버려 예초율이 저하되는 불편이 있다.One of the various types of mowing blade protection devices or safety covers disclosed in the prior art is that the protective frame rail fixed to the mowing blades is spaced at a predetermined upper side than the mowing blades, and formed by blocking the upper and left and right sides with a protective plate material. Debris bounced off by the roots can be safely prevented, but it is difficult for the lower rail to fully work over the stone roots. It is inconvenient that it is soaked and the mow rate is reduced.

한편, 예초기칼날 하부축에 예초기칼날을 조립한후 테두리가 톱니형이나 방사상으로 형성된 보호반을 조립하도록한 예초기보호장치는, 돌뿌리들이 상기 보호반을 위로 삐져나오지 않아 예초기칼날을 보호시키는데는 유효하지만, 상기 보호반의 테두리에 형성된 톱니형이나 방사상의 보호반위로 삐져나온 잡풀만 커팅되고, 작은 잡목은 커팅되지 않기 때문에 예초능률이 현저하게 저하되며, 고른 잔디밭의 예초작업 등에 한정되는 불편이 있다.On the other hand, the lawn mower protection device for assembling the lawn mower blade on the lower shaft after assembling the lawn mower blades serrated or radially, effective for protecting the lawn mower blades do not protrude upward However, only the weeds protruding into the sawtooth-shaped or radial protective face formed on the rim of the protective panel is cut, the small grass is not cut, so the mowing efficiency is significantly lowered, there is an inconvenience to be limited to mowing the grass.

또, 국내실용신안 출원 제20-2004-0005708호 예초기칼날보호장치의 경우에는 예초기칼날축 하방에 불가사리형의 저지판이나, 작업자쪽의 저지판 일부를 부채꼴 로 형성한 저지판을 예초기회전축 헤드브라켓에 고정조립한후, 저지판 중앙하방에 돌출된 예초기칼날회전축에는 베어링을 삽입한 요입부를 저지판하방에 조립시켜, 예초기칼날과 요입부가 동시에 회전되는 선행기술에 있어서는, 예초기칼날축과 요입부가 더해진 무게로 고속회전하는 관성력에 의하여 작업자가 매우 힘들게 된다.In the case of the Korean Utility Model Application No. 20-2004-0005708, the mower blade protection device includes a starfish-type stopper plate below the mower blade axis, or a stopper plate in which a part of the stopper plate on the worker side is formed in a fan shape. In the prior art in which the mowing blade inserting the bearing is assembled below the stopping plate, and the mowing blade and the indenting portion are rotated at the same time, the mowing blade shaft and the indenting portion are added to the mowing blade rotating shaft projecting below the center of the stopping plate. The inertia force rotating at high speed by weight makes the worker very hard.

또한, 비교적 넓은판재로된 저지판이 예초기칼날상편에 고정되어 있어, 저지판위로 삐져나온 잡풀만이 커팅되어 작업효율이 저하되며, 대부분의 잡풀은 저지판에 의해 눌려져 효율적으로 커팅되지 못하는 단점을 내재하고 있다.In addition, since the stopper plate made of a relatively wide plate is fixed on the mowing blade, only the weeds protruding onto the stopper plate are cut, and thus the work efficiency is reduced, and most of the weeds are pressed by the stopper plate and thus have the disadvantage of not being cut efficiently. Doing.

그리고, 국내 20-2003-0031063호 예치기용안전망의 경우에는 회전축을 중심으로 상부와 하부를 환봉부재를 이용해 십자형으로 감싸는 형태의 안전망을 형성하되, 상부측 안전바는 예치기 하부자루에 고정하고, 하부측 안전바는 예치기회전축을 베어링에 삽입해 중공원판형상에 조립한 지지부재에 조립한 것으로, 안전바의 상하부 높낮이를 조절가능토록 한 예치기에 관한 것이다.And, in case of domestic safety net for 20-2003-0031063, the safety net is formed to wrap the upper and lower part in the shape of a cross with a round bar member around the rotating shaft, and the upper safety bar is fixed to the lower part of the mower. The lower safety bar is assembled to a support member assembled into a hollow cone plate shape by inserting the cutting shaft into a bearing, and relates to the cutting to adjust the height of the upper and lower parts of the safety bar.

이와같은 예치기안전바의 경우에는 지면에 접촉하는 하부측 안전바 상측에 조립된 예치기칼날반에 의하여, 하부측안전바에 돌뿌리가 일차적으로 감지될 수 있거나, 상하부측 사이에 위치된 잡초가 예치기칼날반에 의해 수월하게 커팅될 수 있으나, 십자형 환봉부재 사이로 인입되는 돌뿌리는 예치기칼날반에 직접적으로 접촉되어 돌뿌리 파편이 비산될 위험이 내재되어 있다.In the case of such a safety bar, the root blade can be detected primarily in the safety bar, or weeds located between the upper and lower sides by the cutting blade assembly assembled above the lower safety bar contacting the ground. Although it can be easily cut by the cutting blade, the stone roots introduced between the cross-shaped round bar members are in direct contact with the cutting blade and there is an inherent risk of scattering the stone root fragments.

본 고안은 상기와 같은 점을 감안하여, 예초기사용시 안전을 도모하고 지면으로부터, 일정한 높이에 조립된 예초기칼날을 안전하게 보호할 수 있도록 하부에 조립되는 칼날보호구가 예초기칼날반의 회전관성력에 의해 일정속도로 회전되도록하여, 칼날보호구가 돌뿌리를 최대한으로 감지하여 안전한 작업을 진행할 수 있도록 하고자 한다.The present invention, in view of the above points, to ensure the safety when using the mowing machine from the ground, to protect the mowing blade assembled at a certain height from the lower blade protector is assembled at the lower speed by the rotational inertia of the mowing blade board By rotating it, the blade protector detects the roots to the maximum so that the safe work can be performed.

또한, 커팅된 잡초들을 한쪽으로 거둬내면서 작업하거나, 둘레석이나 상석주변의 잡초를 커팅하고자 할때 측보호구에 의해서 예초기칼날이 안전하게 보호되도록 하고자 한다.In addition, when cutting the cut weeds to one side, or to cut the weeds around the periphery or upper stone to mow blades to be protected by the side protection.

기타, 베어링축계를 보호할 수 있는 수단을 제공하여 제품의 내구성 향상에 기여 하고자 한다. In addition, it aims to contribute to improving the durability of the product by providing a means to protect the bearing shaft system.

상기와 같은 목적을 이루기 위해 이하, 첨부된 도면에 의하여 본 고안의 일실시 구성 및 작용을 상세히 알아보면 다음과 같다.In order to achieve the above object, the following detailed description of one embodiment configuration and operation of the present invention by the accompanying drawings.

도 1은 본 고안의 전체사시도, 도 2는 본 고안의 일실시 사용상태 참고분해사시도, 도 3은 본 고안의 일실시 조립상태 참고단면도, 도 4는 도 3의 주요부 발췌확대단면도로써, 통상의 예초기칼날(100)을 칼날축(100a)에 죔너트하부캡(200f)을 조립하여 칼날축죔너트(200j)로 조립하는 예초기에 있어서, 상기 죔너트하부캡(200f)이 관통되는 크기로 중공된체 하부로 볼록한 허브하부돔(200b)의 사방상측연에는 스프링환봉부재의 칼날보호리브(200c)를 일정길이로 용접형성하되, 각 칼날보호리브(200c)의 끝단을 10㎝ 길이로 상측으로 절곡한후 절곡된 구간에서, 칼날보호리브(200c)로부터 100∼105°로 밴딩해 만(卍)자 형상으로 구성한후, 상측으로 절곡된 칼날보호리브(200c)를 10∼20°로 밴딩해 비틀림리브(200d)를 형성한 베어링외경허브(200a)내에 베어링(200g)을 내재한후, 베어링외경허브(200a)외측에서 잠금볼트(200e)로 고정하며, 다시 내재된 베어링(200g)의 내경부를 관통하여 돌출된 죔너트하부캡(200f)의 외상측테에 형성한 키홈(200f')에는 외경스냅키(200h)로 베어링(200g)상단을 지지케한후, 베어링(200g)외경크기의 베어링상커버(200i)를 먼저 칼날축(100a)에 조립한후, 칼날보호구(200)를 축조립해 칼날축죔너트(200j)로 고정하도록 한 것이다.Figure 1 is a full perspective view of the present invention, Figure 2 is an exploded perspective view of one embodiment of the present invention, Figure 3 is an assembled state reference section of the present invention, Figure 4 is an enlarged cross-sectional view of the main portion of Figure 3, a conventional In the mowing machine for assembling the cutting blade lower cap 200f to the blade shaft 100a by assembling the cutting blade lowering cap 200j, the cutting nut lower cap 200f is hollowed in size. On the upper side edges of the convex hub lower dome 200b, the blade protection ribs 200c of the spring ring member are welded to a predetermined length, and the ends of each blade protection rib 200c are bent upwards to a length of 10 cm. In the bent section, it is bent from the blade protection rib 200c at 100 to 105 ° to form a bay shape, and then the blade protection rib 200c bent upward is bent at 10 to 20 °. After embedding the bearing 200g in the bearing outer diameter hub 200a in which the rib 200d is formed, Key groove (200f ') formed on the outer edge of the clamping nut lower cap (200f) protruding through the inner diameter of the bearing (200g), which is fixed by the locking bolt (200e) from the outside of the ring outer diameter hub (200a) After supporting the upper end of the bearing (200g) with the outer diameter snap key (200h), the bearing upper cover (200i) of the outer diameter of the bearing (200g) is first assembled to the blade shaft (100a), and then the blade guard 200 The shaft is assembled to be fixed by the blade shaft fastening nut (200j).

상기와 같이 구성된 본 고안의 일실시 작용으로는 다음과 같다.One embodiment of the present invention configured as described above is as follows.

공지의 예초기칼날(100)은 칼날보호구(200)의 베어링외경허브(200a)내의 베어링(200g) 내경부에 축조립된 죔너트하부캡(200f) 상단 중공부를 통과해 돌출된 칼날축(100a)에 칼날축죔너트(200j)로 단단히 조립한 것으로서, 예초기칼날(100)이 고속으로 회전하면, 베어링(200g)의 내경륜에 맞물린 죔너트하부캡(200f)이 고속으로 회전하게 되는 관성력에 의해 베어링(200g)외경륜에 맞물린 베어링외경허브(200a)는 예초기칼날(100)이 회전하는 방향으로 일정속도로 따라 돌게 된다.Known mowing blade 100 is a blade shaft (100a) protruding through the upper hollow portion of the clamping nut lower cap (200f) axially assembled to the inner diameter of the bearing (200g) in the bearing outer diameter hub (200a) of the blade protector 200 Is assembled firmly with the blade shaft fastening nut (200j), when the mowing blade 100 rotates at a high speed, the bearing nut by the inertial force that the fastening nut lower cap (200f) engaged in the inner ring of the bearing (200g) is rotated at high speed The bearing outer diameter hub 200a engaged with the outer diameter wheel 200 turns at a constant speed in the direction in which the mowing blade 100 rotates.

따라서, 예초기칼날(100)은 만(卍)자 형상으로 구비된 칼날보호리브(200c)상에서 저속으로 회전하면서, 돌뿌리등을 텃치하거나, 작업중 쳐내가면서 안전하게 예초작업이 진행되도록 한 것입니다.Therefore, the mowing blade (100) rotates at a low speed on the blade protection rib (200c) provided in a man-shaped shape, so that the mowing operation can be safely carried out while the stone roots are squeezed out or removed during the operation.

또한, 칼날보호리브(200c)의 말단부에 형성된 비틀림리브(200d)는 작업자가 예초기를 좌우로 저어가면서 작업을 하는 경우에 예초기칼날(100)쪽으로 접근되려는 돌뿌리를 쳐내거나, 작업자에게 장애물이 있음을 감지하도록 하는 역활로 안전한 작업을 진행하도록 한다.In addition, the torsion ribs (200d) formed on the distal end of the blade protection ribs (200c), when the worker is working while stirring the lawn mower left or right hit the stone roots to approach the mowing blade 100, or there is an obstacle to the worker It is a role that allows the detection of safety.

그리고, 예초기작업시 흔히 묘역의 둘레석이나 상석 주변을 커팅하고자 할때 상기의 비틀림리브(200d)가 가이드 역활을 하기 때문에 칼날이 부딪히지 않게 한다.In addition, during the mowing operation, the torsion rib 200d serves as a guide when cutting around the periphery or the upper stone of the graveyard so that the blade does not collide.

그리고, 베어링상커버(200i)는 베어링(200g)상부로 유입되는 이물질의 유입을 방지하여 수명을 연장하는 작용을 하며, 허브하부돔(200b)은 예초기보호구(200)를 작업지면에서의 마찰력을 줄여 기동력을 높이는 역활을 하여, 힘들이지 않고 예초작업을 진행하도록 하는 역활을 한다.In addition, the bearing upper cover 200i prevents the inflow of foreign substances flowing into the bearing 200g and extends its life, and the hub lower dome 200b has a friction force on the working surface of the lawn mower 200. It acts to increase maneuverability by reducing the effort to mow effortlessly.

상기와 같이 구성된 본 고안 예초기보호구(200)에 형성된 비틀림리브(200d)는 만(卍)자 형상으로, 갈고리 역활을 하며, 커팅된 잡초를 끌어모아 한쪽으로 밀어내는 역활을 함과 동시에, 예초기칼날(100)의 측면부로 접근되는 장애물에 대하여, 감지 내지 가이드역활을 하도록 하여, 초보자들도 청소기사용과 같이 전후 좌우로 작업반경을 자유롭게 이용해도 되는, 보다 안전한 예초작업이 진행되도록 하였다.Torsion rib (200d) formed in the present invention mowing protection device 200 configured as described above is a man-shaped, serves as a hook, and serves to pull the cut weeds and push them to one side, mowing blade For the obstacle approaching the side of the 100, the sensing or guide role, so that even beginners can freely use the working radius from side to side, such as using a cleaner, safer mowing work proceeds.

또한, 칼날보호리브(200c)가 고정되지 않은체 예초기칼날의 회전관성력에 따라 일정하게 회전되므로서, 칼날보호리브(200c)각각 사이에 진입된 장애물을 쉽게 텃치하여 감지할 수 있도록 하여 작업자에게 대처하도록 하는 역활을 하였다.In addition, since the blade protection ribs 200c are constantly rotated according to the rotational inertia force of the non-fixed mowing blade, the blade protection ribs 200c can be easily quenched and detected to detect the obstacles entered between the blade protection ribs 200c. It played a role.

또한, 베어링(200g)의 내구성 향상을 위해 상부에는 베어링상커버(200i)가 하부에는 허브하부돔(200b)에 의해 베어링 저면부가 보호되어 내구성이 증진되도록 한 것이다. In addition, in order to improve durability of the bearing 200g, the bearing upper cover 200i is protected at the upper part of the bearing bottom by the hub lower dome 200b at the lower part so that durability is enhanced.

도 1은 본 고안의 전체사시도1 is a perspective view of the present invention

도 2는 본 고안의 일실시 사용상태 참고분해사시도Figure 2 is a reference exploded perspective view of one embodiment of the present invention

도 3은 본 고안의 일실시 조립상태 참고단면도3 is a cross-sectional view of one embodiment assembled state of the present invention

도 4는 도 3의 주요부 발췌확대단면도Figure 4 is an enlarged cross-sectional view of the main portion of Figure 3

※도면의 주요 부분에 대한 부호의 설명※ Explanation of code for main part of drawing

100:예초기칼날 200:칼날보호구100: mowing blade 200: blade protection

200a:베어링외경허브 200b:허브하부돔200a: Bearing outer diameter hub 200b: Hub lower dome

200c:칼날보호리브 200d:비틀림리브200c: blade protection rib 200d: torsion rib

200e:잠금볼트 200f:죔너트하부캡200e: Locking bolt 200f: Tightening nut Lower cap

200g:베어링 200h:외경스냅키200 g: Bearing 200 h: Outer diameter snap key

200i:베어링상커버 200j:칼날축죔너트200i: Bearing top cover 200j: Blade shaft nut

Claims (1)

통상의 예초기칼날(100)을 칼날축(100a)에 죔너트하부캡(200f)을 조립하여 칼날축죔너트(200j)로 조립하는 예초기에 있어서, 상기 죔너트하부캡(200f)이 관통되는 크기로 중공된체 하부로 볼록한 허브하부돔(200b)의 사방상측연에는 스프링환봉부재의 칼날보호리브(200c)를 일정길이로 용접형성하되, 각 칼날보호리브(200c)의 끝단을 10㎝ 길이로 상측으로 절곡한후 절곡된 구간에서, 칼날보호리브(200c)로부터 100∼105°로 밴딩해 만(卍)자 형상으로 구성한후, 상측으로 절곡된 칼날보호리브(200c)를 10∼20°로 밴딩해 비틀림리브(200d)를 형성한 베어링외경허브(200a)내에 베어링(200g)을 내재한후, 베어링외경허브(200a)외측에서 잠금볼트(200e)로 고정하며, 다시 내재된 베어링(200g)의 내경부를 관통하여 돌출된 죔너트하부캡(200f)의 외상측테에 형성한 키홈(200f')에는 외경스냅키(200h)로 베어링(200g)상단을 지지케한후, 베어링(200g)외경크기의 베어링상커버(200i)를 먼저 칼날축(100a)에 조립한후, 칼날보호구(200)를 축조립해 칼날축죔너트(200j)로 고정됨을 특징으로 하는 예초기칼날보호구.In the mowing machine for assembling the conventional cutting blade blade 100 to the blade nut cap 200f by assembling the fastening nut lower cap 200f to the blade shaft fastening nut 200j, the fastening nut lower cap 200f is sized to penetrate. On the four sides of the lower convex hub lower dome 200b convex to the hollow body, the blade protection ribs 200c of the spring ring member are welded to a predetermined length, but the ends of each blade protection rib 200c are 10 cm in length. After bending to the bent section, bending the blade protection ribs 200c from 100 to 105 ° to form a man-shaped, then bending the blade protection ribs 200c bent upward to 10 to 20 ° After bearing 200g is embedded in the bearing outer diameter hub 200a in which the torsion rib 200d is formed, it is fixed by the locking bolt 200e outside the bearing outer diameter hub 200a, and the bearing 200g is again embedded. The outer diameter of the key groove 200f 'formed on the outer frame of the clamping nut lower cap 200f protruding through the inner diameter portion The upper end of the bearing 200g is supported by the nap key 200h, the bearing upper cover 200i of the outer diameter of the bearing 200g is first assembled to the blade shaft 100a, and then the blade guard 200 is assembled. Mower blade protector, characterized in that fixed by the blade shaft fastening nut (200j).
KR20-2005-0026579U 2005-09-15 2005-09-15 the brush cutter knife guard KR200403471Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100957627B1 (en) * 2009-10-26 2010-05-13 양안종 Bearing uint and protect cover for brush cutter using that
KR101445142B1 (en) 2012-03-29 2014-10-01 김해식 Coupling device for safety cover of cutting blade for mowing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100957627B1 (en) * 2009-10-26 2010-05-13 양안종 Bearing uint and protect cover for brush cutter using that
WO2011052975A2 (en) * 2009-10-26 2011-05-05 Yang An Jong Bearing unit and protection cover for grass mower using same
WO2011052975A3 (en) * 2009-10-26 2011-09-09 Yang An Jong Bearing unit and protection cover for grass mower using same
CN102573446A (en) * 2009-10-26 2012-07-11 梁安锺 Bearing unit and protection cover for grass mower using same
JP2013507985A (en) * 2009-10-26 2013-03-07 アン ジョン ヤン， Bearing unit and protective cover for mower using the same
KR101445142B1 (en) 2012-03-29 2014-10-01 김해식 Coupling device for safety cover of cutting blade for mowing machine

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