JP2012050427A - Weed removing tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a weed removing tool that can be mounted to a lightweight rechargeable electric drill driver and easily remove weed without damaging cultivated flowering plants, lawn or vegetables around the periphery thereof without imposing a great labor burden on a worker in which weed entangled with a blade part can be easily removed.SOLUTION: The weed removing tool includes: a blade body 11 in which a tip side is formed by diverging; a shaft part 12 welded at a rear end side of the blade body 11 in which the rear end can be mounted to a chuck part of an electric drill; and a weed dropping part 20 slidable in a longitudinal direction in a state of being mounted to the periphery of the blade body 11 and being contacted with the blade body 11.

Description

  The present invention relates to a weed remover, and in particular, it is possible to easily create a blade body, to improve the workability of weed removal, and to be easily prepared in a small, lightweight, portable and operated manner. The present invention relates to a weed remover that can easily remove the weeds without damaging the surrounding cultivated flowers, lawns, vegetables, etc.

For example, a weed removal device disclosed in Patent Document 1 has been reported as a removal device that removes weeds by inserting a pin or a blade into the root of the weed and manually rotating it.
The weed removal device disclosed in Patent Document 1 is provided with a plurality of insertion pins for removing a root on the lower surface of a base fixed to a pipe. During operation, the insertion device is inserted into a grass root that is a certain distance away from a substantially central portion of the grass. By inserting the pin and rotating the pipe, the insertion pin is rotated about the substantially central portion of the grass, and the root is pulled or broken to remove the grass.
According to the weed removing apparatus disclosed in Patent Document 1, it is said that an operator can quickly extract or tear grass from a root without using much labor.

For example, as shown in Patent Document 2, a weed removal device that removes with the power of an electric motor has also been reported.
The weed removing device disclosed in Patent Document 2 includes a pulling tool having a plurality of pins that can be pierced at the root of the grass, a rotational power for driving the pulling tool to rotate, and a handle that can be held by hand. In addition, in operation, the pulling tool is rotationally driven by the rotational power while a plurality of pins are inserted into the root of the grass.
According to the weed removing device disclosed in Patent Document 2, the weed can be easily rotated without rotating by hand, and the weeding operation can be performed with respect to the ground by holding the handle provided on the stand by hand. It is said that weeding can be done easily because it can be done while standing.

JP-A-6-189602 Japanese Patent No. 10-127101

However, the conventional weed removal apparatus described above has the following problems.
(1) First, in the weed removal apparatus shown in Patent Document 1, a base is fixed to the end of a pipe, and a plurality of insertion pins for rooting are provided on the lower surface thereof. There was a problem that it was not easy and the cost increased. Moreover, in the weed removal apparatus shown by patent document 1, the surface of the insertion pin is formed in the unevenness | corrugation, and when taking the grass, the grass root is more easily wound around the unevenness, and the grass is more easily removed. However, in this configuration, there is a problem that the grass roots are not surely caught by the uneven portions and entangled, and the workability of removing weeds is not good.
(2) Moreover, in the weed removal apparatus shown in Patent Document 2, since the insertion pin is rotated by using a power tool such as a drill / driver as rotational power, the apparatus becomes large and the power cord is routed. There was a problem that it was necessary and it took time to set up and prepare. In addition, there is a problem that the apparatus configuration is exaggerated and is not suitable for use in an individual vegetable garden or a flower bed.

  The present invention solves the problems of the conventional techniques described above, can easily create a blade body, can improve the workability of weed removal, and can be easily prepared in a small and light weight. Achieving a weed remover that is easy to carry and operate, does not put a large labor burden on the operator, and can remove weeds without damaging surrounding cultivated flowers, lawns, vegetables, etc. And

  In order to solve the above-mentioned problems, the weed removal tool of the present invention is a weed removal tool that removes weeds by piercing and rotating a blade-like body at the root of the weed, and the blade-like body has a tip end side thereof. A branched blade is formed by bifurcating into two or more branches, and the branched blade has a plurality of angled blades formed on at least one of the inner edges facing each other.

  In the above configuration, the blade-like body is welded to the shaft portion that can be attached to the chuck portion of the electric drill, or the blade-like body has a T-shaped grip on the rear end side. It is attached and fixed to.

  The rear end of the shaft portion may be a cylinder or a prism that matches the shaft fixing portion of the chuck portion of the electric drill.

  Further, the weed removing tool further includes a weeding portion that is mounted around the blade body and is slidable in the length direction in contact with the blade body.

  Further, the grass removal unit includes a grass removal unit main body, a rear lid that can be detachably fitted to the grass removal unit main body, and an elastic member that is housed in the grass removal unit main body. By attaching the rear lid to the grass body main body after attaching the head body and the rear lid to the blade body, the grass section can be attached to the blade body so as to wrap the periphery thereof. And the elastic member urges the weed portion itself mounted on the blade-like body to a rear position of the blade-like body.

  Further, the weed part main body includes a pair of holes whose peripheral edges are in close contact with the periphery of each of the blades, and the grass part is slid along the length direction of the blades. The hole periphery removes the weed adhering to the blade-like body by scraping it off.

  Since the present invention is configured as described above, the blade body can be easily created, the workability of weed removal can be improved, and the entire apparatus can be easily prepared with a small size and light weight. Small, lightweight rechargeable electric drill that is easy to carry and operate, does not put a large labor burden on the operator, and can remove weeds without damaging the surrounding cultivated flowers, lawns and vegetables. It is possible to realize a weed remover that can be used by being attached to a driver.

It is a figure which shows the use condition of the weed removal tool which concerns on embodiment of this invention. It is an external appearance side view of the weed removal tool which concerns on embodiment of this invention, Fig.2 (a) is the side view seen from the direction perpendicular | vertical to the thickness direction of the blade part 10, FIG.2 (b) is the blade part 10. It is the side view seen from the direction horizontal to the thickness direction. FIG. 3 is a cross-sectional view taken along line A-A ′ of FIG. It is a side view of a blade part. It is a side view of the blade part main body of a blade part. It is a figure which shows a grass removal part, (a) is a side view before sliding a grass removal part along the length direction of a blade part, (b) is a grass removal part in the length direction of a blade part. It is a side view after sliding along It is a figure which shows the weeding part main body, (a) is the side view seen from the direction perpendicular | vertical to the thickness direction of a blade part, (b) is the side view seen from the horizontal direction to the thickness direction of a blade part. (C) is the front view seen from the front end side of the blade part. It is a figure which shows the grass cover part rear cover, (a) is the side view seen from the direction perpendicular | vertical to the thickness direction of a blade part, (b) is the side view seen from the horizontal direction to the thickness direction of a blade part (C) is a front view seen from the front end side of the blade portion, and (d) is a rear view seen from the rear end side of the shaft portion. It is a figure which shows the other example of the blade part branched into three, (a) is a figure which has not formed the angle-shaped blade in the center branch blade, (b) is an angle-shaped blade in the center branch blade FIG. It is a figure which shows the state by which the blade part was mounted | worn and fixed to the T-shaped grip, (a) is a top view, (b) is a side view.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a diagram showing a use state of a weed remover according to an embodiment of the present invention.
As shown in the figure, in order to remove the weed 4, the weed remover 1 is attached to the electric drill driver 3, and the tip of the blade portion of the weed remover 1 is placed at the root of the weed 4. The tip of the blade portion divided into two branches from this state is inserted into the ground 5 at the base of the weed 4, and the electric drill driver 3 is turned on. Then, the blade portion of the weed remover 1 attached to the electric drill driver 3 rotates and digs up the root portion of the weed 4. In this way, weed 4 can be easily extracted.

FIG. 2 is an external side view of the weed removal tool 1, FIG. 2A is a side view seen from a direction perpendicular to the thickness direction of the blade portion 10, and FIG. It is the side view seen from the direction horizontal to the thickness direction.
FIG. 3 is a cross-sectional view taken along line AA ′ of FIG.
As is clear from FIG. 2 and FIG. 3, the weed removal tool 1 includes a blade portion 10 and a grass removal portion 20. Thus, since it is a comparatively simple structure, it can manufacture easily cheaply.

FIG. 4 is a side view of the blade portion 10, and FIG. 5 is a side view of the blade portion main body 11 of the blade portion 10.
As is clear from FIGS. 4 and 5, the blade portion 10 of the weed removal tool 1 includes a blade portion main body 11 and a shaft portion 12. The blade part main body 11 and the shaft part 12 are integrally formed by welding.

  The front end side of the blade body (corresponding to the blade body of the claims) 11 is a bifurcated portion 112 divided into two forks, and the tips of the forks are sharpened so that they can be inserted into the ground 5 as much as possible. It is. Since it is divided into two branches, it is only necessary to insert the space between the two branches under the stem of the weed 4 growing from the ground 5, and it is easy to aim with the eyes. For this reason, since weeds 4 can be aimed at and pulled out one by one, it is possible to work without damaging the vegetables, flowers, trees, turf, etc. of the crops that are cultivated in the surroundings in the vegetable garden or flower bed. Further, since the digging range is narrow, the ground 5 is not dug up in a wide range, the work is facilitated, and the surrounding ground is not disturbed.

  Further, a plurality of chevron-shaped blades 111 are provided on inner edges of the bifurcated portion 112 facing each other. As a result, each of the two forks can be easily inserted into the ground 5 and the blade 111 has a hook shape, so that it is easily caught by the stem and root of the weed 4 at that part, and the workability of weed removal is improved. effective. Further, since the forked portion 112 is relatively long, it can be inserted deeply into the soil and the grass can be removed from the root. For this reason, there is also an effect that grass is difficult to grow after weed removal work.

  Moreover, the blade part main body 11 is shape | molded by stamping from one metal thin plate (steel plate). When the thickness of the blade body 11 is reduced, the blade body 11 can be easily inserted into the ground. However, in order to prevent the strength from weakening and causing bending or bending, heat treatment is performed to increase the strength. Thus, since the blade part main body 11 is manufactured with a plate material, it can be easily made.

  As described above, the blade portion 10 is configured by welding the shaft portion 12 to the rear end of the blade portion main body 11. The shaft portion 12 is a cylinder or a prism that matches the chuck portion of the electric drill driver 3 to which the weed removal tool 1 is mounted. In this way, by using the existing rods connected by welding, a structure suitable for the chuck portion of the electric drill driver 3 can be easily manufactured, and a support portion having sufficient strength can be realized.

FIG. 6 is a view showing the weeding part 20 provided in the blade part 10, and FIG. 6A is a side view before the grassing part 20 is slid along the length direction of the blade part 10, FIG. 6B is a side view after the grass removal portion 20 is slid along the length direction of the blade portion 10.
As shown in the figure, the blade part 10 is provided with a weeding part 20. The weed removal unit 20 is provided to remove weeds that are entangled with the blade body 11 of the blade unit 10 during the weed removal operation. As shown in the cross-sectional view of FIG. 3, the grass removal unit 20 includes a housing including a grass removal unit main body 21 and a grass removal unit rear cover 22, and a spring 23 provided inside the housing. ing. The grass portion main body 21 and the grass portion rear lid 22 are formed of resin.

FIG. 7 is a view showing the weed portion main body 21, FIG. 7A is a side view seen from the direction perpendicular to the thickness direction of the blade portion 10, and FIG. 7B is the thickness of the blade portion 10. 7C is a side view seen from a direction horizontal to the direction, and FIG.
Moreover, FIG. 8 is a figure which shows the grass cover part rear cover 22, FIG. 8 (a) is a side view seen from the direction perpendicular | vertical to the thickness direction of the blade part 10, FIG.8 (b) is a blade part. FIG. 8C is a front view seen from the front end side of the blade portion 10, and FIG. 8D is a rear view seen from the rear end side of the shaft portion 12. is there.

Hereinafter, based on FIGS. 6-8, the function of the weeding part 20 is demonstrated, referring FIGS. 1-5 as needed.
The grass removal part 20 is normally in a position behind the blade part main body 11 in FIG. 6A by the urging force of the spring 23 provided inside. When taking the stem and root of the weed 4 entangled with the blade body 11, the operator slides the housing portion of the weeding unit 20 by hand and moves it to the position shown in FIG.

  As shown in FIG. 7C, a pair of guide holes 211 is provided on the front surface of the weed portion main body 21. As shown in FIG. Since the inner edge of the guide hole 211 is sized so as to be in close contact with the periphery of the bifurcated portion of the two blade portion main bodies 11, the casing portion of the weed portion 20 is slid so that it is near the blade edge. If it moves to the position of FIG.6 (b), the stem and root of the weed 4 entangled with the blade part main body 11 can be removed by scraping.

As a result, the weed 4 entangled with a light force can be dropped, and when the hand is released, the weeding portion 20 returns to the original position by the force of the spring 23.
Since the grass portion 20 has a collar 212 at the tip, there is little possibility that the hand touches the blade portion 10 when the grass portion 20 is moved. At the same time, the collar 212 also serves to prevent the weed 4 from getting entangled with the weed portion 20.

  Even if the electric drill driver 3 is driven in the middle of dropping the grass and the grass removal portion 20 rotates, the casing portion of the grass removal portion 20 is formed in a cylindrical shape, so that hands and fingers are not caught. That is safe.

By the way, the grass removal unit 20 has a structure divided into a grass removal unit main body 21 and a grass removal unit rear cover 22 shown in FIGS. 7 and 8, and both can be detachably fitted to each other. Yes.
The mounting hole 221 of the grass lid rear cover 22 is passed through the shaft portion 12 of the blade portion, the guide hole 211 of the grass portion main body 21 is passed through the bifurcated portion 112 of the blade portion main body 11, and then the grass portion main body 21 and the grass By fitting the dropped part rear cover 22, the grass part 20 can be easily attached to the blade part 10, and by simply removing the grass part main body 21 and the grass part rear cover 22, it is easy. The grass removal unit 20 can be opened.

  Therefore, the grass removal part 20 can be easily attached to and detached from the blade part 10 and can be easily cleaned even when dirt or mud enters the grass removal part 20 or mud adheres to the blade part 10. Can do.

  Since the weed removing tool 1 of the present invention is configured as described above, the weed 4 can be easily removed by a simple operation, and the entangled weed 4 can be removed. In addition, since the electric drill driver 3 is mounted and used, there is also an advantage that when the cutting edge is inserted into the ground 5, the electric drill driver 3 has a large grip and force is easily applied. Furthermore, if a rechargeable type is used for the electric drill driver 3, there is no need to route the power cord, and the work preparation is simple. Moreover, since it is not necessary for the worker to exert a great force, an elderly person or a woman can easily work. Moreover, cleaning of the blade part 10 and the grass removal part 20 is also easy.

In the above embodiment, the case where the tip side of the blade portion 10 is bifurcated is described as an example. However, the present invention is not limited to this. For example, as shown in FIG. ) May be branched. FIG. 9 is a view showing another example of the blade portion 10 branched into three, and FIG. 9A is a view in which a chevron blade is not formed on the central hook-shaped branch blade 113, FIG. ) Is a diagram in which a chevron-shaped blade is formed on the central bowl-shaped branch blade 113.
Also in this case, a plurality of chevron blades are respectively formed on at least one inner edge of the blade 111 of the blade body 11 opposite to each other in the same manner as described above, and the blade body 11 is formed on the weeding portion. A guide hole through which the blade is inserted is provided for the blade body. In this way, when using a blade whose tip side is branched into three or more forks, in addition to the same effect as that of a fork, the effect that grass roots and stems can be easily entangled and the strength of the blade is increased and stable. There is an effect that it can be used.

  Further, in the above embodiment, the example in which the shaft portion 12 is mounted on the chuck portion of the electric drill driver 3 has been described. However, the shaft portion 12 does not need to be electrically driven, for example, as shown in FIGS. 10 (a) and 10 (b). As described above, weed removal may be performed manually by attaching and fixing the rear end of the blade body 11 to the T-shaped grip 30 and manually gripping and rotating the T-shaped portion of the grip.

  Since the present invention is configured as described above, it can be used for removing weeds in home flower beds, lawns and vegetable gardens, in parks and golf courses, and in public places such as roads and tracksides. It can be widely used in various industrial fields.

DESCRIPTION OF SYMBOLS 1 Weed removal tool 3 Electric drill driver 4 Weed 5 Ground 10 Blade part 11 Blade part main body 12 Shaft part 20 Grass removal part 21 Grass removal part main body 22 Grass removal part rear cover 23 Spring 111 Blade 112 Fork part 211 Guide hole 212 Brim 221 Mounting hole

Claims (8)

A weed remover that removes weeds by piercing the blades at the root of the weeds and rotating them,
The blade-like body has a bifurcated blade that is branched into a plurality of bifurcated ends.
The branch blade has a plurality of chevron blades formed on at least one of the inner edges facing each other.
A weed remover characterized by that.   The weed removal tool according to claim 1, wherein a rear end side of the blade-like body is welded to a shaft portion that can be attached to a chuck portion of an electric drill.   The weed removal tool according to claim 1, wherein the blade-like body has a rear end attached to and fixed to a T-shaped grip.   The weed removal tool according to any one of claims 1 to 3, wherein the blade is formed by punching a metal thin plate.   The weed removal tool according to claim 2, wherein the rear end of the shaft portion is a cylinder or a prism that matches the chuck portion of the electric drill.   The said weed removal tool was equipped with the weeding part which can be further slid in the length direction in the state which was mounted | worn around the said blade-shaped body, and contacted the said blade-shaped body. The weed removing tool according to claim 1. The grass removal unit includes a grass removal unit main body, a rear lid that can be detachably fitted to the grass removal unit main body, and an elastic member that is housed in the grass removal unit main body.
The grass cover is wrapped around the blade by attaching the back cover to the grass body after attaching the grass body and the rear lid to the blade. It can be installed like
The weed removal tool according to any one of claims 1 to 6, wherein the elastic member urges the grass removal part itself mounted on the blade-like body to a rear position of the blade-like body. . The grass section main body includes a pair of holes whose peripheral edges are in close contact with each of the blades,
The grass removal part is slid along the length direction of the blade-like body to remove the weed attached to the blade-like body at the periphery of the hole. Item 8. The weed removal tool according to any one of Items 1 to 7.

Images