JP6564611B2 - Weeding tools - Google Patents

Description

  The present invention relates to a weeding tool.

  The weeding work with hand tools is generally performed with a sickle, but the bending work is a heavy burden on the body, so a weeding tool with a long handle capable of working in a standing position has been proposed. For example, in the patent document (Japanese Patent Application Laid-Open No. 9-121601), there is an instrument that provides a bifurcated attachment member at the end of a long handle, attaches a U-shaped cutting blade, and performs the weeding work while the operator pulls forward. It is disclosed.

  Further, in Patent Document 2 (Japanese Patent Laid-Open No. 2000-232812), a crescent-shaped mowing blade body is mounted so that the sickle blade body is horizontal in a state in which the long handle protrudes laterally and the long handle is inclined. An instrument is disclosed. Further, in Patent Document 3 (Registered Utility Model No. 3103701), a crescent-shaped sickle blade is projected forward of the tip of the long handle so that the mowing blade is horizontal with the long handle inclined (35 degrees). A mounted instrument is disclosed.

Japanese Patent Laid-Open No. 9-121601. JP 2000-232812. Registered Utility Model No. 3103701.

  The weeding tool described in Patent Document 1 is not intended to cut and remove weeds, but rather to remove small weeds called weeding with roots, and is not suitable for removing tall weeds. Limited. On the other hand, the tools described in Patent Documents 2 and 3 realize mowing by operating the mowing blade body as it is with respect to the ground as it is when the mowing blade body is horizontal with the ground surface in a standing posture.

  However, since the angle between the long handle and the grass cutting blade is constant, work on an inclined surface or work with the grass cutting blade not in contact with the ground surface is forced due to differences in the height of the user. Work may not be done.

  Therefore, the present invention proposes a novel weeding tool capable of performing an appropriate weeding operation corresponding to the inclination or uneven shape of the ground surface to be weeded.

Claim 1 herbicidal device according the aspect of the present invention, in herbicidal instrument fitted with mowing blade to long handle tip, the mowing blade projecting from the extending direction of the long handle, standing worker in either the front and back surfaces direction orientation The blade is formed with a thin and thin steel plate with a bending property that bends when the cutting blade is pressed against the ground surface to be weeded with, and has a blade on one side edge or both right and left side edges. It is characterized by.

Thus, when the operator presses the grass cutting blade body against the ground surface in a standing posture, the grass cutting blade body bends with a bending characteristic and comes into contact with the ground surface. Operation Then the long handle to work back and forth mowing blade in the state, it is also to the weeds and reeds, stems and stem the removal target, such as Japanese pampas grass is cut. Of course, in addition to the excision work on the ground surface, it is possible to naturally cut the ridges on the wall surface and the vines away from the ground.

  Further, in the weeding tool according to claim 2 of the present invention, the left blade provided on the left side edge of the mowing blade has a saw blade shape, and the removal target is a plant having a hard stem such as Susuki. But it can be excised easily.

  In addition, the weeding tool according to claim 3 of the present invention is formed by forming the left blade part as a cutting blade, and the right blade part of the mowing blade body is formed in an uneven blade shape that can be pressed, Both weeding by pulling and weeding by pressing are possible.

  According to a fourth aspect of the present invention, the weeding tool according to the fourth aspect of the present invention is appropriately arranged from the long axis direction so as to move laterally in accordance with the blade function of the mowing blade body in accordance with the operation of the mowing blade body. A single or a plurality of guide plate portions are provided so as to project in a direction inclined at a constant angle.

  The guide plate part bites into the ground when the grass cutting blade is pressed against the ground, and when the weeding operation is performed, the grass cutting blade slides back and forth on the ground surface. When the body is displaced (laterally moved) in the inclination direction of the guide plate part and slides back and forth in which the function of the blade part is exerted, the excision work is effectively performed by cutting into the object to be excised.

  The weeding tool according to claim 5 of the present invention is a weeding tool in which the left blade portion is formed as a cutting blade and the right blade portion is formed in a concavo-convex blade shape that can be cut off. The portion is bent to the back surface to form a guide plate portion, and the guide plate portion can be formed simultaneously with the formation of the blade body.

  The weeding tool according to claim 6 of the present invention is such that the guide plate portion is detachably provided on the mowing blade body, and the guide plate portion can be mounted as necessary.

  A weeding tool according to claim 7 of the present invention is provided with a blade body mounting body in which a mowing blade body is detachable at a long handle tip, and a blade body mounting portion in the blade body mounting body is bent corresponding to the grass cutting blade body. It is made of a material having flexibility, and the cutting blade body is a replaceable blade system, and the blade length, blade thickness and blade shape corresponding to the state of the plant to be removed can be selected and used.

  As described above, the configuration of the present invention is such that the cutting blade body having appropriate bending characteristics is provided at the end of the long handle, and even if the height of the operator and the handle angle of the long handle are different, the operator remains in a standing posture. Weeding work with a blade along the ground surface is now possible.

1 is an overall perspective view of a first embodiment of the present invention. Explanatory drawing of the same use state (weeding work). Explanatory drawing of the principal part of the grass cutting blade. Explanatory drawing of the same blade body mounting body. It is principal part explanatory drawing of the said 2nd embodiment, (A) shows the isolation | separation state (B) of a guide plate at the time of mounting | wearing of a guide plate part.

  Next, an embodiment of the present invention will be described. The weeding tool of the first embodiment shown in FIGS. 1 to 4 includes a cutting blade body 1, a blade body mounting body 2, and a long handle 3.

  The cutting blade body 1 is provided with a blade 11 attached to the blade body mounting body 12 in the main body 11 and appropriate blade portions 13 and 14 on the left and right side edges, a komi portion 15 is formed at the base end, and a guide is provided on the back surface. A plate portion 16 is protruded and a flange portion 17 is formed at the tip.

  The main body 11 is a thin and thin steel plate (made of tool steel) having an appropriate thickness (0.5 mm or more), is about 20 to 50 cm in length, and about 5 to 15 cm in width. The thickness is not necessarily uniform and the tip is thin. The base may be thickened, and the material, size, shape, and thickness of the main body 11 are determined so as to have bending characteristics that can cope with the weeding work described later.

  The left blade portion 13 formed on the left side edge of the main body 11 has a saw blade shape similar to a horizontal saw blade of a normal saw and is formed over the entire length of the left side edge excluding the flange portion 17 at the tip. It is a thing.

  The right blade portion 14 formed on the left side edge of the main body 11 has a rectangular uneven shape and is provided with at least a press cutting blade. However, blades may be formed on three sides of the rectangular protrusion. The cutting blade 141 may be provided by providing a concave portion on the base end side of the right side edge.

  The guide plate portion 16 is formed by folding back the recessed portion forming portion to form the blade portion gap of the right blade portion 14 provided at the right side edge and projecting it on the back surface of the main body 11. The portion 16 is provided so as to have the same angle inclined forward from the axial direction of the long handle 3. The inclination angle is set in accordance with the function (drawing or pushing action) of the blade parts 13 and 14 provided on the left and right side edges, and is short and at an appropriate interval so as not to obstruct the bending function. Set up.

  The flange portion 17 is formed by protruding leftward from the distal end of the main body 11, and is provided with a sickle blade 171 at the base side edge of the flange portion 17, and an end blade 18 is provided at the base end edge of the main body 11. Provided.

  The blade body mounting body 2 includes a cylindrical mounting portion 21 on which the long handle 3 is mounted and a blade body mounting portion 22 that sandwiches the grass cutting blade body 1 from the front and back. The blade body mounting portion 22 corresponds to the grass cutting blade body 1. A material having bending flexibility, for example, a thin steel plate of the same kind as the grass cutting blade body 1 or a resin material, a fastening hole 23 is formed at a position corresponding to the mounting through hole 12, and the blade body mounting portion 22 is formed. In this base, a fitting hole for the komi portion 15 is provided, which is fixed to the long handle 3 and to which a desired mowing blade body 1 is attached.

  Thus, when the weeding tool presses the cutting blade 1 against the ground surface B (which may be a concrete surface) to be weeded in a standing posture as shown in FIG. It bends by the elasticity (flexing characteristics) of the material and comes into contact with the ground surface B.

  When the long blade 3 is operated with the grass cutting blade 1 in contact with the ground surface B to move the grass cutting blade 1 back and forth, the weed C to be removed is cut and separated from the ground surface B, and weeding is performed. .

  In particular, since the left blade 13 is a cutting blade, when the mowing blade 1 inserted in the weed C is pulled forward, the guide plate 16 bites into the ground surface B. Therefore, the guide plate 16 The mowing blade body 1 moves to the left by the front side movement, and the weed C is cut by the left blade portion 13.

  Conversely, when the grass cutting blade body 1 is pushed out, the grass cutting blade body 1 is moved to the right by the guide plate portion 16, and the weed C is cut by the pressing blade of the right blade portion 14.

  Further, the cutting blade 141 on the right side edge, the sickle blade 171 and the end blade 18 of the heel portion 17 at the tip end are cut by hooking the weed C and the scissors without pressing the mowing blade body 1 against the ground surface B in particular. Can be used for

  FIG. 5 shows a second embodiment of the present invention. In this embodiment, the guide plate portion 4 is used as an independent member and is detachable from the mowing blade body 1a.

  A pair or several pairs of mounting holes 19 are provided in a direction inclined at a predetermined angle in the main body 11a of the mowing blade body 1a, and the guide plate portion 4 is attached to the mounting hole 19. A mounting screw 43 corresponding to the mounting hole 19 protrudes from the horizontal surface portion 42 in an inverted L shape with a horizontal surface portion 42, and the mounting screw 43 of the guide plate portion 4 is inserted into the mounting hole 19. The nut 44 is fixed.

  Since the guide plate part 4 affects the bending elasticity of the grass cutting blade 1a, it is formed as short as possible, and the guide plate part 4 is attached and detached according to the work site.

  As described above, in the weeding tool of the present invention, the grass cutting blade 1 has a bending characteristic and is pressed against the ground surface B, so that the grass cutting blade 1 adheres to the ground surface B and weeds (weed cutting). In addition to performing weeding along the ground surface, it is possible to perform efficient weeding work without any trouble even if the handle angle of the long handle is different or the ground surface B is inclined. Is.

1,1a Mowing blade body 11, 11a Main body 12 Mounting through-hole 13 Left blade part 14 Right blade part 141 Cutting blade 15 Comb part 16 Guide plate part 17 Gutter part 171 Sickle blade 18 End blade 19 Mounting hole
2 Blade mounting body 21 Cylindrical mounting portion 22 Blade body mounting portion 23 Fastening hole 3 Long handle 4 Guide plate portion 41 Vertical surface portion 42 Horizontal surface portion 43 Mounting screw 44 Nut

Claims (7)

In herbicidal instrument fitted with mowing blade to long handle tip, the mowing blade projecting from the extending direction of the long handle, the mowing blade against the ground surface herbicidal interest in worker standing posture in either the front and back surfaces direction It is formed of an elongated thin steel plate having appropriate bending characteristics in the front and back directions that bend when pressed and abut against the ground surface, and is provided with blade portions on one side edge or both right and left side edges. Weeding tool.   The weeding tool according to claim 1, wherein a left blade portion provided on a left side edge of the grass cutting blade body has a saw blade shape.   The weeding tool according to claim 2, wherein the left blade portion is formed into a cutting blade, and the right blade portion of the mowing blade body is formed into an uneven blade shape capable of being cut.   Single or plural on the back surface of the mowing blade body in a direction inclined at an appropriate constant angle from the long handle axis direction so as to laterally move in accordance with the blade function of the mowing blade body with the operation of the mowing blade body The weeding tool according to any one of claims 1 to 3, wherein the guide plate portion is provided in a protruding manner.   In a weeding tool that has a left blade portion formed as a cutting blade and a right blade portion formed into a concavo-convex blade shape that can be pressed, the concave portion of the right blade portion is bent to the back surface to form a guide plate portion. The weeding tool according to claim 4.   The weeding tool according to claim 4, wherein the guide plate portion is detachably provided on the mowing blade body.   A blade body mounting body in which a mowing blade body is detachably attached to a long handle tip is provided, and a blade body mounting portion in the blade body mounting body is formed of a material having bending flexibility corresponding to the grass cutting blade body. The weeding tool in any one of 1 thru | or 6.

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