KR20170029744A

KR20170029744A - Grass cutters

Info

Publication number: KR20170029744A
Application number: KR1020150126702A
Authority: KR
Inventors: 김경희
Original assignee: 김경희
Priority date: 2015-09-08
Filing date: 2015-09-08
Publication date: 2017-03-16

Abstract

The present invention relates to a grass cutter. Preferably, according to the present invention, grass dug in a length direction is stacked in layers and placed on multiple moving rollers mounted on a base. Then, the grass is moved forward and cut at a time and in compliance with a standard by a cutting blade connected to a handle tool being lowered. Subsequently, the lowered cutting blade is automatically moved upward by an elastic force of an elastic spring, and then grass cutting can be performed again. The present invention includes a base (100) having four legs to be capable of being stably fixed to a floor, a moving roller (110) mounted on an upper side of the base (100) and transporting the grass forward, a cutting blade support (500) where a locking tool (520) is formed on its upper side so that an insertion port (510) into which a cutting blade (200) is inserted and a handle tool (300) connected to the cutting blade (200) are not tilted backwards with the handle tool (300) on which the arc-shaped cutting blade (200) is mounted being mounted on the front of the moving roller (110) and its tip portion being fixed by a shaft pin (400), a supporting rod (600) and an elastic spring (700) connected to the tip of the handle tool (300) fixed by the shaft pin (400) so that the handle tool (300) is automatically lifted by the elastic force, and an elastic force adjusting tool (800) connected to the elastic spring (700).

Description

{Grass cutters}

The present invention relates to a grass cutter, more preferably a grass cut in a longitudinal direction is laminated in multiple layers, and then the grass cutter is mounted on a plurality of moving rollers mounted on an upper portion of the hopper, and then moved forward to downward a cutting blade connected to the knob The cutter blade is cut at a time according to the standard and then the downward cutting blade is automatically moved upward by the elastic force of the tangent string so that the grass can be cut again.

Generally, in order to cut a grass excavated in the longitudinal direction, the cutting blade is cut one by one according to the standard using the cutting blade, so that it takes a long time. In addition, after cutting the grass, the cutting blade must be manually lifted up to the top The worker's fatigue was increased.

As shown in FIG. 1, the fixed blade 20 fixed to the pedestal 10 is provided with a pair of teeth (not shown) for cutting the lawn sheet of the public utility model 20-2008-0006694, The fixed blade 20 is formed in the shape of a cross section and the movable blade 30 is attached to the upper end of the fixed blade 20. The movable blade 30 is rotatably attached to the coaxial shaft 27, And a control member 40 for adjusting the width of the slit 24 is installed in the lower portion of the fixed blade 20. [

However, when the slit of the fixed blade is gradually opened when the grass sheet or the like is cut, the modified cutter can narrow the slit interval of the fixed blade back to the original interval, and cut the hard cut and round cut pieces This is to prevent the blade from being pushed backward, and the fixed blade can not be automatically lifted, and the blade must be manually moved up and down at all times.

In addition, although a spring is mounted on the above-described structure, the spring of the present invention has been disclosed in Korean Utility Model Publication No. 20-1989-0007466. However, the spring is configured to tightly hold the stem without being disturbed by the elasticity of the spring , The technique for automatically raising the day of the month is not disclosed, and therefore, the operator has inconvenienced manual raising and lowering of the day by day as described above.

(KR) Domestic Public Utility Model No. 20-2008-0006694 (KR) Domestic Utility Model Announcement No. 20-1989-0007466

The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a grass cutting method in which a plurality of grass excavated in a longitudinal direction in a lawn is stacked, It is aimed to be able to rise by intelligence.

It is also an object of the present invention to make it possible to simply move and cut grass laid on the upper part of the base forward.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

As shown in FIG. 2, the present invention includes a base 100 having legs formed on all sides so as to be stably fixed on the floor,

A moving roller 110 mounted on an upper side of the base 100 to forward grass,

A handle 300 having an arc-shaped cutting blade 200 mounted thereon is mounted in front of the moving dolly 110 to fix the tip of the handle 300 to the shaft pin 400. The insertion hole 510 And a cutting blade supporter 500 having a hook 520 on the upper side so that the knob 300 connected to the cutting blade 200 can not be turned back,

A tip end of the handle 300 fixed by the shaft pin 400 is connected to a support rod 600 and a tongue spring 700 for automatically raising the handle 300 by a lancing force,

And a tongue force adjusting unit 800 connected to the tongue spring 700.

According to the present invention, the tongue spring 700 is inserted into the through hole 530 of the cutting blade support 500 to adjust the tongue force of the tongue spring 700 with the adjusting nut 820, And is connected to the elastic force controlling member 800 which moves back and forth along the second direction.

According to the present invention having the above-described features, it is possible to cut grass laminated in multiple layers at once by using an arc-shaped cutting blade mounted on a handle to match the grass excavated in the longitudinal direction in the lawn, The knob having the cutting blade mounted thereon is automatically lifted up to the upper part by the lubrication force of the torsion spring, so that the worker can work easily without any difficulty.

In addition, the present invention has an effect that the lawns stacked in multiple layers using a plurality of moving rollers mounted on the upper side of the base can be easily moved forward and cut into cutting blades.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram showing a conventional grass sheet for cutting; FIG.
2 is a perspective view showing a state before the cutting blade of the lawn cutter according to the present invention is operated.
FIG. 2A is a perspective view showing a state after cutting blades of a lawn cutter according to the present invention are operated. FIG.
FIG. 3 is a perspective view showing a lawn cutter according to the present invention in a rear view. FIG.
4 is an enlarged perspective view of a base according to the present invention, which is mounted by a support rod and a torsion spring.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The lawn cutter according to the present invention roughly comprises a base 100 for supporting and fixing the floor, a moving roller 110 mounted on the upper side of the base 100, A knob 300 mounted with a cutting blade 200 supported by the cutting blade support 500, a support rod 600 for automatically raising the knob 300, And a torsion spring 700.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

As shown in FIGS. 2 to 4, the base 100 of the lawn cutter according to the present invention has legs formed on four sides so as to be seated and fixed on the floor, and a plurality of moving rollers 110 are mounted on the upper side have.

At this time, the front and rear sides of the moving roller 110 are seated on the substrate, and a guide plate is formed on one side so that grass can be stably supported and moved along the moving roller 110.

The cutting blade support 500 mounted at the front of the moving roller 110 is formed with an insertion hole 510 through which the cutting blade 200 mounted on the handle 300 is inserted, A latching hole 520 for supporting the knob 300 with the cutting blade 200 mounted thereon so as not to be bent backward is formed in a U shape. That is, when the knob 300 is inserted into the U-shaped stopper 520, it is caught by the stopper 520 and can not be bent backward.

The cutting blade 200 mounted on the handle 300 is mounted on the distal end of the handle 300 so as to have an arc shape so as to cut a plurality of stacked lawns at a time.

In addition, the handle 300 is supported by connecting the tip of the handle 200 to the shaft pin 400 mounted on the cutting blade support 500.

The tip of the knob 300 connected to the shaft pin 400 is connected to the support rod 600. The support rod 600 is connected to the torsion spring 700 having a lubrication force, (700) is connected to the lubrication force regulator (800). The tongue force adjusting member 800 is inserted into the through hole 530 formed in the cutting blade supporter 500 to form a thread 810 and is supported at the rear of the tongue force adjusting member 800 by an adjusting nut 820 ).

Accordingly, when the adjusting nut 820 is rotated forward, the tongue force adjusting member 800 moves backward along the thread starting from the through hole 530 to strongly regulate the tonguing force. When the tongue force adjusting member 800 reversely rotates, Is moved forward along the thread (810) starting from the through hole (530) to weakly adjust the lubrication force.

The supporting rod 600 connected to the torsion spring 700 receives the strong torsional force and the handle 200 having the cutting blade 200 mounted thereon is automatically and strongly supported by the torsion spring 700. [ The elastic force of the torsion spring 700 can be adjusted by moving the adjusting nut 820 in the forward and backward direction.

The operation state of the present invention will be described in detail with reference to FIGS. 2 to 4. FIG.

2, the adjustment nut 820 mounted on the tongue force adjusting tool 500 is moved forward and backward to adjust the tongue force of the tongue spring 700, and then a plurality of When the laid multi-layered grass is placed on the mounted moving roller 110 and moved forward through the moving dolly 110, the grass moves forward of the cutting blade 200. At this time, the cutting edge 200 is fixed at the raised position.

3A and 3B, after the grass is moved forward, the operator grips the cutter blade 300 and holds the cutter blade 300 connected to the knob 300, While cutting down the lawns stacked in multiple layers.

4, when the knob 300 is downwardly moved about the axis pin 400, the grass is inserted into the insertion hole 510 of the cutting blade support 500, The tongue spring 700 connected to the support rod 600 moves forward and becomes elastic.

The tongue spring 700 having elasticity is retreated rearward and pulls the support rod 600 backward so that the handle 300 connected to the support rod 600 is pulled backward while the tongue spring 700 having elasticity is retreated, And pulls it up automatically to the top.

At this time, the pull tab 300 is bent backward and inserted into the U-shaped hook 820 formed on the upper side of the cut blade 500, so that the pull tab 300 is not bent backward.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. In addition, it is a matter of course that various modifications and variations are possible without departing from the scope of the technical idea of the present invention by anyone having ordinary skill in the art.

100. Waiting 110. Moving rollers
200. Cutting edge 300. Handle
400. Axis pin 500. Cutting edge support
510. Inlet 520. Jumper
530. Through hole 600. Supporting rod
700. Tangji spring 800. Tangent force regulator
810. Mount Nana 820. Adjustable nut

Claims

A base 100 having legs formed on all sides so as to be stably fixed to the floor,
A moving roller 110 mounted on an upper side of the base 100 to forward grass,
A handle 300 having an arc-shaped cutting blade 200 mounted thereon is mounted in front of the moving dolly 110 to fix the tip of the handle 300 to the shaft pin 400. The insertion hole 510 And a cutting blade supporter 500 having a hook 520 on the upper side so that the knob 300 connected to the cutting blade 200 can not be turned back,
A tip end of the handle 300 fixed by the shaft pin 400 is connected to a support rod 600 and a tongue spring 700 for automatically raising the handle 300 by a lancing force,
And a tongue force adjusting device (800) connected to the tongue spring (700).

The method according to claim 1,
The torsion spring 700 is inserted into the through hole 530 of the cutting blade supporter 500 to adjust the torsion force of the torsion spring 700 with the adjusting nut 820, And is connected to the control unit (800).