WO2020027541A1

WO2020027541A1 - Plant weeding device

Info

Publication number: WO2020027541A1
Application number: PCT/KR2019/009475
Authority: WO
Inventors: 이승준
Original assignee: 이승준
Priority date: 2018-08-03
Filing date: 2019-07-30
Publication date: 2020-02-06

Abstract

A plant weeding device according to the present invention comprises: a housing having a coupling hole extending through the center thereof; a weeding blade which is coupled to one end of the rod, and cooperatively rotates to break up soil and thus weeds out a plant; and a power means which can be coupled to or detached from the other end of the rod, and rotates the rod.

Description

Plant weeding devices

The present invention relates to a plant weeding device, and more particularly, to a plant weeding device for weeding the weed roots in the soil to completely remove the weeds.

In general, to remove these weeds, most farmers directly weed by hand using farming tools such as shovels, hoe and hooks.

Since farmers directly hold the farming equipment and squat or stand on the ground, the manual work is performed, and the burden is applied to the knees and the waist, which makes it difficult to remove the weeds and tends to avoid the hard work.

In particular, due to the aging of the agricultural workforce and the lack of rural workforce, there are many difficulties in the cultivation of crops and improvement is required.

Conventional weeding is the main method of removing the weeds by hand and removing them in the bare by using a sickle or mower, but these weeding operations are expensive and time-consuming, and weeds regrow within a short time. The longevity of weeding has a short limit.

In addition, there is a method of spraying herbicide as a herbicide method having a long lasting effect of herbicide, but the herbicide has a fatal drawback that involves risks such as harmful effects on the ecosystem due to long lasting toxicity.

Accordingly, recently, weed removal method and apparatus using steam as a method for solving the above problems of the conventional weeding work is disclosed in Republic of Korea Patent Publication No. 10-0731681.

Method and apparatus for removing weeds using steam is to cover the top of the weeds with a pressure plate 10, as shown in Figure 1 and the steam heat generated in the weed remover 40 through the heat source supply line 30 Filling in the space 14 and evenly spinning through the nozzle hole 11 to remove the weeds, wherein the steam heat is 120 ℃ to 170 ℃ according to the type of weeds, spinning time is 1 ~ 2 This will be done in a continuous manner depending on the type and thickness of weeds.

However, the method and apparatus for weeding the above-described steam has to maintain the pressure plate 10 in a specific position for a long time in order to remove the weeds, so that the working time is too long, and thus the working efficiency is lower than that of manual weeding, which is not practical. Is in. In addition, there is a high risk of thermal damage and burns of the surrounding plants and animals by the steam leaking to the periphery of the pressure plate in the process of supplying steam for a long time, there is a disadvantage that the operating cost is increased due to the heavy consumption of steam.

Plant weeding device for the present invention to solve the above problems to weed to the root of the weeds in the soil to enable the complete removal of weeds.

In addition, another object of the present invention is easy to transport and storage because the volume and weight is light, and ensures convenience and stability by standing.

In addition, another object of the present invention is to provide a rotational force to the weeding device to enable the detachable power means and at the same time to utilize the power means, such as drilling machines commonly held in homes or industrial sites.

In addition, another object of the present invention is to rotate the cutting edge through the drive means to support the cutting edge to configure the support so as not to shake because the holding means is penetrated into the soil even if the resistance generated while breaking the soil. It is returned to the ground with a spring to provide convenience in work.

In addition, another object of the present invention is that the rod and the weeding blades can be combined or separated in a one-touch manner to facilitate replacement, thereby improving the maintainability and operability of the weeding device.

Plant herbicidal device of the present invention for achieving the above object comprises a housing having a through hole in the center; A rod that penetrates the coupling hole and is elastically movable and rotated; A weeding blade that is coupled to one end of the rod and rotates to dig soil to weed the plant; The power means for coupling or detaching to the other end of the rod and rotating the rod and the housing are configured to be gripped to support rotation of the weeding blade so that the housing can be penetrated to one end and penetrated into the soil.

According to the invention, the elastic member is installed on the outer periphery of the rod penetrated through the coupling hole of the housing, the elastic member is installed between the first step member and the second step member installed on the other side of the coupling hole of the rod The elastic member is pressed through the first step member interlocked by the movement.

According to the present invention, the mounting hole is formed at the end of the rod and the fixing ball is accommodated in the mounting hole formed at the outer circumference of the rod so that the fixed ball is selectively partially exposed to the inside of the installation hole, A holder coupled to be movable is provided to allow the holder to be elastically moved through a spring installed inside the holder, and the fixing ball is mounted to the installation hole through a plurality of inlet holes having different diameters on the inner circumference of the holder according to the movement state of the holder. When the exposed state is determined and the end formed to protrude on the weeding blade is coupled into the installation hole, the fixed ball is accommodated in the entry hole having a smaller diameter among the inlet groove formed in the outer periphery of the end and the entry hole of the multi-stage. While fixing the engagement state of the rod and the weeding blade, the spring is pressed and the holder is moved to the fixed ball is a relatively large inlet hole A fixed view is separated from the intergranular groove in the end by moving it to release the coupling state of the rod in the herbicidal day.

According to the present invention, an installation hole is formed at the end of the rod, and a groove is formed at the inlet end of the rod to accommodate the fixed ball supported by the snap ring, and the second end of the end formed to protrude on the weeding blade is installed. Is coupled to the ball, while the fixed ball is partially accommodated in the inlet groove formed in the outer periphery of the end is configured to hold the received state through the snap ring to secure the engagement state of the rod and the weeding blade.

According to the present invention, the installation hole and the communication hole at the end of the rod is formed in a multi-stage shape having a mutually different diameter, forming a connection hole formed to cross the communication hole at the outer periphery of the rod, the multi-stage formed to protrude on the blade After the first end and the second end are coupled to the installation hole and the communication hole, the engaging hole and the connection hole formed in the second end communicate with each other so as to engage the weeding blade in the rod by the latch engagement.

According to the present invention, the inlet hole and the engaging groove are formed in multiple stages to communicate with each other at one end of the rod, and the communicating groove is formed to communicate with the engaging groove and is formed inside the rod. Halo formed a plurality of incision holes to elastically secure the engaging groove to the engaging end formed integrally through the first end on the weeding blade is coupled to the engaging structure through the inlet hole in the locking structure, the bottom of the installation hole The installation hole is formed in the protruding portion formed in the protrusion so that the second end formed at the rear end of the edge of the weeding blade is coupled, and the expansion hole is formed in the end of the cutting hole and the escape hole is formed in the outer periphery of the protruding portion. To communicate with the bottom of the ball to expose the second end of the weeding blade through the exit hole inserted into the exit hole using a pointed mechanism to install Configure to enable separation of the mowing blades.

According to the present invention, an installation hole is formed at the end of the rod, and a mounting hole is formed at the outer circumference of the rod to embed the fixing ball, and the first end, the inner groove and the second end are sequentially formed on the blade. The inboard groove of the semicircle communicates with the mounting hole, and the fixing ball is coupled to maintain the engagement state of the manufacturing blade and the rod, while the second end is coupled to prevent the installation hole from idling, and the binding means is formed in the binding groove formed at the outer periphery of the rod. Combination is configured to prevent the departure of the fixed ball in the mounting hole.

As described above, the plant weeding device of the present invention comprises a housing having a coupling hole through the center; A rod that penetrates the coupling hole and is elastically movable and rotated; A weeding blade coupled to one end of the rod to dig the soil by rotating interlocking to weed the plant; a coupling means or detachable to the other end of the rod and a power means for rotating the rod and the housing to be installed around one end so as to penetrate the soil It comprises a holding means for supporting the rotation of the mowing blade.

Through this, weeding to the root of the weeds in the soil to enable the complete removal of the weeds to improve the weed removal efficiency.

In addition, the plant herbicide of the present invention is easy to transport and storage because of the light weight and volume.

In particular, weeds in the gardens, lawn parks, playgrounds, and golf courses of rural houses can be easily removed by removing the weeds by removing the weed roots or plowing them without digging them. The advantage is that no residue is collected.

In addition, the plant weeding device of the present invention by applying a rotational force to the weeding device to enable the detachable power means and at the same time to utilize the power means, such as drilling machines that are commonly held in homes or industrial sites to have the convenience of use It works.

In addition, the plant weeding device of the present invention can be supported without shaking because the holding means is penetrated into the soil even if the resistance generated while rotating the cutting blade through the drive means to destroy the soil effective weeding efficiency of the cutting blade To improve.

In addition, the plant herbicidal device of the present invention can be easily replaced by combining or separating the rod and the weeding blade in a one-touch manner, thereby improving the maintainability and operability of the weeding device.

1 is a perspective view showing a plant weeding device of the present invention.

Figure 2 is a partially enlarged perspective view showing the plant weeding device of the present invention.

Figure 3 is a partially enlarged perspective view showing another embodiment of the plant herbicide of the present invention.

Figure 4 is a cross-sectional view showing a state before operation of the plant herbicide device of the present invention.

5 is a cross-sectional view showing a state after the operation of the plant herbicide of the present invention.

6 is a front view showing an operating state of the plant herbicide of the present invention.

Figure 7 is a front view showing a state in which the holding means of the plant weeding device of the present invention penetrated the soil.

Figure 8 is a front view showing a state of weeding plants through the cutting blade of the plant weeding device of the present invention.

9 to 11 are cross-sectional views showing a coupling state of the rod and the holder of the plant weeding device of the present invention according to the first embodiment.

12 and 13 are cross-sectional views showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the first embodiment.

14 and 15 is a schematic diagram showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the first embodiment.

16 and 17 are cross-sectional views showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the second embodiment.

18 and 19 are cross-sectional views showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the third embodiment.

20 to 22 are cross-sectional views showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the fourth embodiment.

23 and 24 are cross-sectional views showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the fifth embodiment.

* Description of the symbols for the main parts of the drawings *

100: weeding device

110: housing 111; Joiner

112: elastic member 113: first stepped member

114: set screw 115: second step member

116: cover 118: through hole

120: rod 120a: protrusion

121: connection surface 122: mounting hole

122a: locking groove 122b: incision hole

122c: Expansion hole 122d: Inlet hole

123: mounting hole 124: fixed ball

125: groove 126: snap ring

127: second jam jaw 128: binding means

129: solidarity groove 130: blade

131: cutting surface 131a: tip

132: end 133: first end

133a: locking end 134: second end

135: internal groove 136: communication hole

136a: escape hole 137: latch

138: connector 139: hook hole

140: power means 150: gripping means

151: bend portion 152: penetration portion

160: holder 161: spring

162: incoming ball 163: first jam jaw

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

First, it should be noted that the same components or parts in the drawings are indicated by the same reference numerals as much as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

1 is a perspective view showing the plant weeding device of the present invention, Figure 2 is a partially enlarged perspective view showing the plant weeding device of the present invention, Figure 3 is a partially enlarged perspective view showing another embodiment of the plant weeding device of the present invention, 4 is a cross-sectional view showing a pre-operational state of the plant weeding device of the present invention, Figure 5 is a cross-sectional view showing a post-operational state of the plant weeding device of the present invention, Figure 6 shows an operating state of the plant weeding device of the present invention. 7 is a front view showing a state in which the holding means of the plant weeding device of the present invention penetrates into the soil, and FIG. 8 is a front view showing a state of weeding the plant through a cutting blade of the plant weeding device of the present invention. 9 to 11 are cross-sectional views showing the coupling state of the rod and the holder of the plant weeding device of the present invention according to the first embodiment, Figures 12 and 13 are views of the present invention according to the first embodiment Fig. 14 and Fig. 15 are schematic diagrams showing a coupling state of a rod and a weeding blade of the plant weeding device of the present invention according to the first embodiment, Figs. 16 and Fig. 17 is a cross-sectional view showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the second embodiment, Figure 18 and 19 is a combination of the rod and the weeding blade of the plant weeding device of the present invention 20 is a cross-sectional view showing the state, Figures 22 to 22 is a cross-sectional view showing a coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the fourth embodiment, Figures 23 and 24 are bones according to the fifth embodiment It is sectional drawing which shows the bonding state of the rod and the weeding blade of the plant weeding apparatus of this invention.

First, as shown in Figures 1 to 8, the plant weeding device 100 of the present invention is composed of a housing 110, rod 120, mowing blade 130 and power means 140.

The housing 110 is formed in a cylindrical shape having a length, and has a coupling hole 111 through which an inner center thereof is penetrated.

The rod 120 passes through the coupling hole 111 of the housing 110.

The first step member 113 and the cover 116 are coupled to one side of the coupling hole 111 of the housing 110.

The first step member 113 is coupled to the inner periphery of the coupling hole 111 and fastens the set screw 114 through a tool from the outside of the housing 110.

At this time, the set screw 114 is pressed to the outer periphery of the rod 120 is coupled to the first step member 113 is fixed to the rod 120 and interlocked with each other.

Then, it is connected to the first step member 113 of the cover 116 is coupled so that one side of the coupling hole 111 is sealed.

The second step member 115 is coupled to the other side of the coupling hole 111, and the rod 120 passes through the second step member 115.

The first stepped member 113 and the second stepped member 115 serve to support the rod 120 and to allow the rod 120 to be maintained in a vertical state at the center of the coupling hole 111.

Here, the elastic member 112 is embedded between the first step member 113 and the second step member 115 installed in the coupling hole 111, the elastic member 112 is installed on the outer periphery of the rod 120 through the coupling hole 111.

In detail, the rod 120 penetrates through the defect hole and is elastically movable and rotated.

The rod 120 may move forward and backward to the front or the rear of the housing 110.

At this time, when the rod 120 is moved back and forth, the first step member 113 is interlocked to press the elastic member 112 between the second step member 115 to enable the elastic movement of the rod 120.

The weeding blade 130 is coupled to one end of the rod 120 and rotates to destroy soil to weed the plants.

The weeding blade 130 is formed in a circular plate state and forms a plurality of cutting surfaces 131 having corners by equal division.

Since the cutting surface 131 is formed as an edge having a sharp line, when the cutting surface 131 is pressed by the soil while being rotated by the rod 120, the cutting surface 131 can easily destroy the soil through the rotation.

At this time, the second blade 130 is rotated through the power means 140, the power means 140 is coupled or detachable to the other end of the rod 120 and rotates the rod 120.

Here, the power means 140 may apply a portable drilling machine that is commonly provided at home or industrial sites.

Here, one side of the rod 120 is a connection surface 121 is formed in a planar state can be connected to the socket installed in the drilling machine so that the rotational force of the drilling machine can be transmitted to the rod 120 without idling.

When the cutting edge breaks through the soil, a resistance force is generated. As the resistance force is transmitted to the rod 120 and the driving means, the operator needs a lot of support force.

To prevent this, a plurality of holding means 150 is installed around one end of the housing 110 so as to penetrate into the soil.

That is, the herbicidal target plants are accommodated inside the plurality of holding means 150, and then the plurality of holding means 150 are pressed to penetrate into the soil.

Then, even if the resistance generated while rotating the cutting edge through the drive means to destroy the soil, since the holding means 150 is penetrated into the soil can be supported without shaking to improve the effective weeding efficiency of the cutting edge.

Here, the holding means 150 is formed in a wider diameter expansion form so that the herbicidal target plants having various sizes are accommodated inside the plurality of holding means 150.

That is, the holding means 150 has a bent portion 151 that is bent at an angle to the outside, and has a penetrating portion 152 extending integrally with the bent portion 151 and having a pointed tip.

Through this, the penetrating part 152 can be more easily penetrated into the soil, it is possible to accommodate the herbicidal target plants inside the gripping means 150.

In addition, it is light in volume and weight, making it easy to transport and store, so that weeds inhabiting grass such as weekend farms, gardens of country houses, lawns, parks, playgrounds, golf courses, and oxygen can be easily removed and rooted. By grinding roots without plucking or digging, there is no need to collect residues after weed removal.

In addition, by applying a rotational force to the weeding device to enable the detachable power means and at the same time can utilize the power means such as drilling machines commonly held in homes or industrial sites to have the convenience of use.

In addition, even if the resistance generated while breaking the soil by rotating the cutting edge through the drive means because the holding means is penetrated into the soil can be supported without shaking, thereby improving the effective weeding efficiency of the cutting edge.

The rod 120 and the coupling blade 130 may be combined in a one-touch manner.

There are three such embodiments.

First, as shown in FIGS. 9 to 15, the configuration of the first embodiment is as follows.

An installation hole 122 is formed at the end of the rod 120 and the fixing ball 124 is accommodated in the mounting hole 123 formed at the outer circumference of the rod 120 so that the fixing ball 124 is partially exposed to the inside of the installation hole 122.

In addition, a holder 160 movably coupled to an outer circumference of the rod 120 is provided, and the holder 160 is elastically movable through a spring 161 installed in the holder 160.

The fixing ball 124 is exposed to the installation hole 122 through a plurality of inlet holes 162 having different diameters on the inner circumference of the holder 160 according to the moving state of the holder 160, and an end portion formed to protrude into the weeding blade 130 is installed. When combined into the ball 122, the rod 120 and the blade blade 130 is fixed to each other while the fixing ball 124 is accommodated in the inlet groove 135 formed in the outer periphery of the end 132 and the inlet hole 162 of the multi-stage inlet hole 162 of relatively small diameter.

When the holder 160 is moved while pressing the spring 161, the fixing ball 124 moves to the inlet hole 162 having a relatively large diameter, and thus the fixing ball 124 moves away from the inlet groove 135 at the end to release the engagement state of the blade 130 from the rod 120. To be configured.

In other words, the method of combining and separating the rod 120 and the weeding blade 130 through the above configuration is as follows.

First, the coupling method of the rod 120 and the blade blade 130 advances the holder 160 for coupling the blade blade 130 to the rod 120.

This means that when the fixed ball 124 is moved to the insertion hole 162 having a larger diameter among the entrance hole 162, the fixed ball 124 is removed so that the end of the blade 130 is coupled to the installation hole 122 by eliminating the interference state inside the installation hole 122. do.

Subsequently, when the user releases the holder 160 moved backward, the holder 160 moves to its original position by the restoring force of the spring 161.

At this time, the spring 161 is pressed between the first catching jaw 163 of the holder 160 and the second catching jaw 127 of the rod 120 is automatically restored to its original state while restoring the original state.

As such, as the fixing ball 124 is inserted into the small inlet hole 162 from the large inlet hole 162 by the movement of the holder 160, the half of the fixing ball 124 is coupled to the inlet groove 135 formed at the end of the blade 130 to maintain the mutual coupling state. Done.

On the contrary, in the case where the blade 130 is to be separated from the rod 120, the holder 160 is moved, and the fixing ball 124 coupled between the small diameter inlet hole 162 and the inlet groove 135 moves to the large inlet hole 162 side. The coupling of the blade 130 is released and can be switched to the detached state.

Here, the inner circumferential edge of the installation hole 122 and the outer circumferential edge of the end portion 132 are the same hexagonal shape, and mutual idling is prevented.

As shown in Figure 16 and 17, the second embodiment, the installation hole is formed at the end of the rod and the groove is formed at the inlet end of the installation hole to accommodate the fixed ball supported by the snap ring.

The end formed to protrude on the weeding blade is coupled to the installation hole, while the fixed ball is partially accommodated in the inlet groove formed in the outer periphery of the end to maintain the received state through the snap ring to fix the engagement state of the rod and the weeding blade Configure.

Here, the fixed ball 124 is applied in the second embodiment has a ball-shaped cross-section, a part of the annular shape is cut.

Through this, the diameter of the inner diameter of the fixed ball 124 is changed by the elastic force of the snap ring 126 is elastically embedded in the inlet groove 135 of the weeding blade 130 is installed to be coupled or separated.

18 and 19, in the third embodiment, the installation hole 122 and the communication hole 136 at the end of the rod 120 is formed in a multi-stage shape having a different diameter from each other, the communication hole 136 at the outer periphery of the rod 120 To form a connection hole 138 formed across.

After the first end 133 and the second end 134 of the multi-stage protruding from the blade 130 are coupled to the installation hole 122 and the communication hole 136, the engaging hole 139 and the connection hole 138 formed in the second end 134 communicate with each other. It is configured to couple the blade 130 to the rod 120 by the clamp 137 coupling.

That is, the locking structure using the latch 137 enables coupling or separation of the rod 120 and the weeding blade 130.

In addition, the binding hole 129 is formed at the inlet of the connecting hole 138, and the latch 137 is coupled to the connecting hole 138, and is formed in an annular shape. Be sure to prevent the release of the brace 137.

As such, the rod and the weeding blade can be combined or separated in a one-touch manner to facilitate replacement, thereby improving the maintainability and operability of the weeding device.

As shown in Figure 20 to 22, the coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the fourth embodiment is as follows.

The inlet hole 122d and the engaging groove 122a are formed in multiple stages so as to communicate with each other at one end of the rod 120, and the communicating hole 136 is formed in communication with the engaging groove 122a and formed inside the rod 120.

In addition, a plurality of incision holes 122b are formed in equal divisions in communication with the communication holes 136 on the outer periphery of the rod 120 so that the locking grooves 122a are elastically enlarged so as to be integrally formed on the blade 130 through the first end 133. The locking end 133a is coupled to the locking groove 122a through the inlet hole 122d in a locking structure.

In addition, the installation hole 122 is formed in the protrusion 120a formed at the bottom of the installation hole 122 so that the second end 134 formed at the rear end of the engaging end 133a of the blade 130 is coupled.

In addition, the expansion hole 122c is formed at the end of the cutting hole 122b and the exit hole 136a is formed at the outer periphery of the protrusion 120a so as to communicate with the bottom surface of the installation hole 122 so that the second end of the blade 130 through the release hole 136a. 134 is exposed so that it is inserted into the exit hole 136a using a pointed instrument to allow the removal of the weed blade 130 from the installation hole 122.

As such, the second end 134 is inserted into the installation hole 122 by the pressing of the blade 130 and is coupled to prevent the idling through the combination of the hexagonal combinations.

When the locking end 133a is press-fitted into the inflow hole 122d and the locking groove 122a, the locking groove 122a is enlarged through the incision hole 122b, and the locking end 133a is coupled to the lower end of the locking groove 122a.

As shown in Figure 23 and 24, the coupling state of the rod and the weeding blade of the plant weeding device of the present invention according to the fifth embodiment is as follows.

An installation hole 122 is formed at the end of the rod 120, and a mounting hole 123 is formed at the outer circumference of the rod 120 to insert the fixing ball 124, and the first end 133, the internal groove 135, and the second edge 130 are formed on the blade. The end 134 is formed sequentially so that the inlet groove 135 of the semicircle communicates with the mounting hole 123 so that the fixing ball 124 is engaged to maintain the engagement state of the blade 130 and the rod, and the second end 134 is coupled to the installation hole 122 to prevent idling. The coupling means 128 is coupled to the binding groove 129 formed on the outer circumference of the rod 120 to prevent the fixing ball 124 from being separated from the mounting hole 123.

As a result, when the fixing ball 124 is separated from the mounting hole 123 through the fixing ball 124 to maintain the coupling of the blade 130 and the rod 120 and the fixing ball 124 through the fixing means 128 to prevent the detachment Allow separation of

Claims

A housing having a coupling hole through the center;

A rod that penetrates the coupling hole and is elastically movable and rotated;

A weeding blade that is coupled to one end of the rod and rotates to dig soil to weed the plant;

A power plant means for coupling or detaching to the other end of the rod and the power means for rotating the rod and the housing is installed around one end so that it can penetrate into the soil, comprising a holding means for supporting the rotation of the mowing blade.
The method of claim 1,

An elastic member is installed on the outer periphery of the rod penetrated by the coupling hole of the housing,

The elastic member is installed between the first step member installed on one side of the coupling hole and the second step member installed on the other side

Plant weeding apparatus, characterized in that the elastic member is pressed through the first step member interlocked by the movement of the rod.
The method of claim 1,

Forming an installation hole at the end of the rod and receiving the fixing ball in the mounting hole formed on the outer periphery of the rod to selectively expose the fixed ball inside the installation hole,

A holder coupled to the outer periphery of the rod is provided to enable the holder to be elastically moved through a spring installed inside the holder, and to be fixed through a plurality of inlet holes having different diameters on the inner periphery of the holder according to the movement state of the holder. The state that the ball is exposed to the installation person is decided,

When the end formed to protrude on the weeding blade is combined into the installation hole,

Fixing the engagement state of the rod and the weeding blade while the fixing ball is accommodated in the entry hole of the inlet groove and the multi-stage entry hole formed in the outer peripheral end of the end, the diameter is relatively small,

When the holder is moved by squeezing the spring, the fixed ball moves away from the inlet groove of the end while moving the fixed ball into the inlet hole having a relatively large diameter, and the plant weeding device is configured to release the engagement state of the weeding blade from the rod. .
The method of claim 1,

Forming an installation hole at the end of the rod and forming a groove in the installation hole inlet end to accommodate the fixed ball supported by the snap ring,

The second end of the end formed to protrude on the weeding blade is coupled to the installation hole,

The plant weeding device, characterized in that configured to fix the engagement state of the rod and the weeding blade by maintaining the state accommodated through the snap ring while being partially accommodated in the inlet groove formed in the outer periphery of the end.
The method of claim 1,

At the end of the rod, the installation hole and the communication hole is formed in a multi-stage shape having a different diameter from each other, by forming a connection hole formed to cross the communication hole at the outer periphery of the rod,

After the first end and the second end of the multi-stage protruding from the weeding blade are coupled to the installation hole and the communication hole,

The plant weeding device, characterized in that configured to engage the weeding blades in the rod by the latching engagement by connecting the engaging hole and the connecting hole formed in the second end.
The method of claim 1,

One end of the rod is formed in multiple stages to communicate with the inlet hole and the locking groove and form a communication hole communicating with the locking groove and formed inside the rod,

A plurality of incisions are formed on the outer periphery of the rod in equal divisions to communicate with the communication holes so that the locking grooves are elastically expanded so that the locking end formed integrally with the first end on the weeding blade is connected to the locking groove through the inflow hole. Combined into a locking structure,

By forming an installation hole in the protrusion formed on the bottom surface of the installation hole to be coupled to the second end formed behind the locking end of the weeding blade,

An expansion hole is formed at the end of the incision hole, and a separation hole is formed at the outer circumference of the protrusion to communicate with the bottom of the installation hole so that the second end of the weeding blade is exposed through the escape hole, using a sharp mechanism. Plant weeding device, characterized in that configured to be inserted into the escape hole to separate the weeding blade in the installation hole.
The method of claim 1,

An installation hole is formed at the end of the rod,

Forming a mounting hole on the outer periphery of the rod to insert the fixed ball,

The first end, the inner groove and the second end are sequentially formed on the blade, so that the semicircular inner groove communicates with the mounting hole so that the fixing ball is coupled to maintain the coupling state of the blade and the rod. To prevent idling,

A plant weeding device, characterized in that configured to prevent the separation of the fixed ball in the mounting hole by combining the binding means to the binding groove formed on the outer periphery of the rod.