KR20140045860A - Protective plate support device for bush cutter - Google Patents

Protective plate support device for bush cutter Download PDF

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Publication number
KR20140045860A
KR20140045860A KR1020120112877A KR20120112877A KR20140045860A KR 20140045860 A KR20140045860 A KR 20140045860A KR 1020120112877 A KR1020120112877 A KR 1020120112877A KR 20120112877 A KR20120112877 A KR 20120112877A KR 20140045860 A KR20140045860 A KR 20140045860A
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KR
South Korea
Prior art keywords
support
protective
blade
protective disc
disc
Prior art date
Application number
KR1020120112877A
Other languages
Korean (ko)
Inventor
황유승
Original Assignee
황유승
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 황유승 filed Critical 황유승
Priority to KR1020120112877A priority Critical patent/KR20140045860A/en
Publication of KR20140045860A publication Critical patent/KR20140045860A/en

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    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D75/00—Accessories for harvesters or mowers
    • A01D75/18—Safety devices for parts of the machines

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

Abstract

The present invention relates to a device for supporting a protective disc of a grass cutter blade rotating a protective disc at a predetermined angle when the protective disc is applied with rotational pressure. The power grass cutter includes: a protective disc (100) forming a blade (A) on the lower part of the rotating blade (8) in a radial direction; and a bearing (11) having an external wheel fixed on the center of the protective disc (100) and fixes the protective disc (100) by inserting the internal wheel of the bearing (11) onto a male screw part formed on the end part of the rotating shaft protruding from a lower part of the blade and coupling the internal wheel with the male screw part using a screw (13). The device for supporting a protective disc of a grass cutter blade of the present invention includes: a protective disc (100) having a blade (A) in a radial direction; and an eccentric supporting part (120) formed on a part apart from the central portion (110) of the protective disc (100) by a predetermined distance. The other side of the worktable (200) is supported on the eccentric supporting part (120) so that one side of the support (130) is connected with the eccentric supporting part (120) by a rotating shaft (140). [Reference numerals] (AA) Pressuring a protective disk support

Description

Support device for cutting blade protection disc for mowers {PROTECTIVE PLATE SUPPORT DEVICE FOR BUSH CUTTER}

The present invention relates to a support device for a blade protection disc for mowing, in detail

When the protective disk is subjected to rotational pressure, the protection disk is configured to rotate.

In the past, with the exception of golf courses and some lawn gardens, grass cutting tools depended on manual farming equipment such as sickles, but with the advent of mowers, many tasks are being made faster and easier.

Such mowers are exposed to the blades mounted on the lower part of the rotating shaft in the early stages, so that during the operation, the grass was damaged in a small way. There was a problem.

Therefore, in order to solve the above problems, conventionally, a protective disc is mounted on the lower portion of the rotating blade to protect the blade. In order to mount the protective disk on the lower portion of the blade rotating at high speed, the outer ring of the bearing is fixed to the center of the protective disk, and the inner ring of the bearing is inserted into the male screw formed at the end of the rotating shaft protruding from the lower blade, and then screwed and fixed. have. In this fastening structure, when the blade is rotated at a high speed, the protection disk is a friction force of the bearing, because the rotational force is generated in the blade rotation direction due to the weaving of the rotating shaft of the weeds, so many inventions, designs for preventing the rotational force of the protection disk disclosed It is becoming.

In Korean Patent Nos. 10-01027085 and 10-0910237 and Korean Patent Publication No. 10-2011-0056195, one end of the working rod and the protective cover is made of an elastic member (spring, support means) to rotate the protective cover at a predetermined angle. Disclosed is a protective cover for mowing.

However, the above-described registered and published patents do not support the rotation of the protective cover because the protective cover is rotated by a predetermined angle, and the collision of the stone and the like may occur, causing the safety accident to be injured. It is desirable to.

Korean Patent Registration No. 10-1054726, Utility Model Registration No. 20-0214892, No. 20-0238542 and Korean Utility Model No. 20-2010-0008361 have a rod / knob for preventing rotation of the protective cover / safety plate. Disclosed is a mower blade protection device having a structure connected to a support of a rigid body between a part and a protective cover / safety plate.

However, the above-described patents and utility models have a heavy structure of the rigid support, and there is a risk of damage due to the concentration of stress at the fastening portion of the rod / handle. Since it is transmitted to the work rod / handle as it is, there is a problem that increases the fatigue of the worker and lowers the work efficiency.

The present invention is to solve the conventional problems as described above, the present invention relates to a support device of the blade protection disc for mowing, in detail

When the protective disk is subjected to rotational pressure, it is a problem to provide a technique for causing the protective disk to rotate.

The support device of the lawn mower protection disk of the present invention for achieving the above object is a protective disk 100 formed radially on the lower blade (8) to rotate, and the outer ring in the center of the protective disk 100 A power to fix the protective disk 10 by inserting the fixed bearing 11 and the inner ring of the bearing 11 into a male screw formed at the end of the rotating shaft 12 protruding from the lower blade and fastening the screw 13. In the mower,

A protective disk 100 having a wing A formed in a radial shape, and an eccentric support 120 is formed at a portion spaced apart from the central portion 110 of the protective disk 100 by the eccentric support 120 The other side is supported on the worktable 200 is a configuration in which one side of the support 130 past the bottom of the protective disk 100 is connected to the eccentric support 120 by the rotation shaft 140.

The support 130 is a configuration having an elastic portion 150 having an elastic force so that the support 130 can swing when the protective disk 100 rotates about the rotation axis 12.

Another embodiment, the protective disk 100 and the wing (A) formed in a radial image and the support 130 is one side is connected to the center of the protective disk 100 so that the protective disk 100 is idle; In the other side of the support 130 is supported on the work table 200 through the bottom surface of the protective disk 100,

The protective disc 100 is pressed by the elastic force of the elastic body 130 '

The protection disc 100 rotates when the protection disc 100 is subjected to rotational pressure in a state in which the support 130 is not pressed under rotation.

One side of the elastic body 130 ′ is connected to one side of the support, and the other side is supported on the worktable 200 to pull the support 130.

As seen from the configuration, the present invention is safe by providing a technology that allows the protective disk to rotate at a predetermined angle when the protective disk is subjected to rotational pressure.

More detailed effects are detailed in the detailed description.

1 is a perspective view of a support device for a blade protection disk for a lawn mower of the present invention,
2 is a perspective view showing the bottom of FIG.
3 is a perspective view and a side view showing the main portion of the support device of the blade protection disk for the lawn mower of the present invention,
A) is in the state that the axis of rotation has moved to the right,
B) is the state that the axis of rotation has moved to the left in the city,
4 is a side view of Bowon,
5 is a partial exploded perspective view of FIG.
6 is a perspective view of another embodiment of the blade protection disk for mowing of the present invention,
A) is a perspective view and b) is a bottom view.

Hereinafter, with reference to the accompanying drawings will be described in detail a support device for a protective disk for lawn mowers of the present invention.

The support device for the protective disk includes a protective disk 100 in which a blade A is formed radially below the rotating blade 8, a bearing 11 having a fixed outer ring at the center of the protective disk 100, and the bearing ( In the power mower for inserting the inner ring of 11) into the male screw portion formed on the end of the rotary shaft 12 protruding from the lower blade and fastening the protective disk 100 by fastening the screw 13,

A protective disk 100 having a wing A formed in a radial shape, and an eccentric support 120 is formed at a portion spaced apart from the central portion 110 of the protective disk 100 by the eccentric support 120 The other side is supported on the worktable 200 is configured to be connected to the eccentric support portion 120 by one side of the support 130, passing through the bottom surface of the protective disk 100 by the rotating shaft 140.

As described above, one side of the support 130 is supported by the rotation shaft 140 beside the center 110, which is the center of the protection disc 100, so that the protection disc 100 does not rotate. By the way, when the protective disk 100 is subjected to the rotational pressure, the protective disk 100 rotates, as shown in 3, 4 as shown in the pressure is rotated at a certain angle while pushing or pulling the support 100, the rotation pressure is lost Does not rotate Then again under pressure it repeats as described above.

And the support 130 is a configuration having an elastic portion 150 having an elastic force so that the support 130 can swing when the protective disc 100 rotates about the rotation axis 12 (see 4).

Thus, by having the elastic force by the elastic portion 120, the rotating shaft 140 around the rotating shaft 12 can be smoothly rotated. If the support member does not have elastic force, the protection disc 100 is fixed to the support 130 so that the protection disc 100 may be damaged even when the protection disc 100 is rotated, thereby causing the protection disc to be broken.

In addition, since the foreign matter is accumulated in the recess 300 and the protective disc 100 is heavy, the upper cover may cover the recess 300 so that the worker does not feel fatigue.

This configuration has the following advantages. In the case of pressing and injection molding the protective disc 100, a recess is inevitably formed. When the concave portion is not covered, foreign matters are accumulated in the concave portion 300, so that the protective disc 100 is heavy, and the worker feels fatigue. Therefore, it is preferable to cover the recess 300.

And another embodiment, one side of the support 130 is connected so that the protective disk 100 and the protective disk 100 is formed in the radially radial, and the protective disk 100 to the center portion of the protective disk 100 In the other side of the support 130 is supported on the work table 200 through the bottom surface of the protective disk 100,

The protective disc 100 is pressed by the elastic force of the elastic body 130 '

The protection disc 100 rotates when the protection disc 100 is subjected to rotational pressure in a state in which the support 130 is not pressed under rotation.

When configured as described above, the support 130 by the elastic force of the elastic body 130 ′ is pressed on the protective disk 100 and the protective disk 100 that is so pressed does not rotate.

However, when subjected to the rotational pressure will rotate with the blade (8). After that, it stops again if it does not receive the rotational pressure.

One side of the elastic body 130 ′ is connected to one side of the support, and the other side is supported on the worktable 200 to pull the support 130.

In this way, the elastic body 130 ′ pulls the support 130 and the support is configured to press the protective disk to facilitate production.

The support may have various shapes. For example, there is a wider portion of the protective disc is in close contact with the amount to widen the pressing area of the protective disc 100.

100; Protective disk 110; center
120; Eccentric support 130; support fixture
130 '; Elastic body
140; Pivot 150; Elastic portion

Claims (2)

In the support device for the protective disk for mowers,
One side of the support 130 is connected to the protective disk 100 and the support disk 100 to the center portion of the protective disk 100 and the support 130 is formed in the radially radial (A) and the other support (130) In the configuration that the side is supported by the work table 200 through the bottom of the protective disk 100,
The protective disc 100 is pressed by the elastic force of the elastic body 130 '
The support device for a blade protection disk for mowing blades, characterized in that the protection disc 100 is rotated in a state that does not rotate under the pressure of the support 130 is rotated. One side of the elastic body (130 ') is connected to one side of the support and the other side of the support device of the blade protection disc for lawn mowers, characterized in that supported on the worktable 200 so as to pull the support (130).
KR1020120112877A 2012-10-09 2012-10-09 Protective plate support device for bush cutter KR20140045860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120112877A KR20140045860A (en) 2012-10-09 2012-10-09 Protective plate support device for bush cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120112877A KR20140045860A (en) 2012-10-09 2012-10-09 Protective plate support device for bush cutter

Publications (1)

Publication Number Publication Date
KR20140045860A true KR20140045860A (en) 2014-04-17

Family

ID=50653129

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120112877A KR20140045860A (en) 2012-10-09 2012-10-09 Protective plate support device for bush cutter

Country Status (1)

Country Link
KR (1) KR20140045860A (en)

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