CN112930842A

CN112930842A - Handheld rotary knife type weeding machine

Info

Publication number: CN112930842A
Application number: CN202110203902.5A
Authority: CN
Inventors: 梁波
Original assignee: Individual
Current assignee: Beijing Tongchuang Jiaye Engineering Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-06-11
Anticipated expiration: 2041-02-24
Also published as: CN112930842B

Abstract

The invention relates to the technical field of mechanical weeding and discloses a handheld rotary-cutter type weeding machine which comprises an engine, wherein one side of the engine is electrically connected with a grab bar, the bottom of the grab bar is fixedly connected with an outer cylinder, a cutter head is movably connected inside the outer cylinder, a cutting device is movably arranged on the outer side of the bottom of the cutter head, a movable groove is formed in the outer side of the bottom of the cutter head, and a movable ball is movably embedded inside the movable groove. According to the weed cutting device, the movable ball drives the steel cutter to rotate to cut weeds through rotation of the cutter head, the universal wheel is vertically put down by the rolling column to support the steel cutter, the movable ball is driven by the steel cutter in different terrains such as a steep slope to rotate up and down in the movable groove, the fact that the cutter head is directly put on the ground to be pushed to cut weeds is achieved, the movable ball is driven by the steel cutter in the steep slope to rotate to enable the universal wheel to be grounded on the ground, weeds with a certain length are cut, and the problems of fatigue and uneven cutting of manual carrying are solved.

Description

Handheld rotary knife type weeding machine

Technical Field

The invention relates to the technical field of mechanical weeding, in particular to a handheld rotary cutter type weeding machine.

Background

A handheld rotary-cutter type weeding machine is a mechanical tool for trimming lawns, vegetations and the like, generally comprises a cutter head, an engine, blades, a grab bar and a control part, wherein the engine is manually carried on the back, the cutter head is lifted by the grab bar, and the engine is utilized to drive the cutter head to enable the blades to rotate at a high speed to cut weeds.

The existing handheld rotary-knife type weeding machine still has some problems: firstly, the existing handheld rotary-knife type weeding machine needs to manually lift the grab bar to lift the cutterhead to a certain height and then cut weeds, the cutter can be fatigued after working for a period of time, the height of the cutterhead from the ground is unstable, a cut and formed lawn is not attractive, the grab bar needs to be manually lifted for beveling aiming at the lawn with a dike slope, the manual labor intensity is increased, and the collision and damage of blades are easily caused; secondly, the cut weeds are stacked on the lawn, large grass stalks are not easy to decompose, moisture is generated by the massive respiration of microorganisms at the bottom, and the lawn is easy to be damaged.

Disclosure of Invention

Aiming at the defects of the prior handheld rotary-knife type weeding machine in the background technology in the use process, the invention provides the handheld rotary-knife type weeding machine which has the advantages of stably cutting weeds with a certain distance away from the ground, uniformly crushing the cut weeds and throwing the crushed weeds on a lawn, facilitating the quick decomposition of microorganisms and increasing nutrients, and solves the technical problems in the background technology.

The invention provides the following technical scheme: the utility model provides a handheld rotary-cutter type weeder, includes the engine, one side electricity of engine is connected with the bar, the bottom fixedly connected with urceolus of bar, the inside swing joint of urceolus has the blade disc, the bottom outside movable mounting of blade disc has cutting device, movable groove has been seted up in the bottom outside of blade disc, movable ball has been inlayed in the inside activity in movable groove, one side fixedly connected with steel sword of movable ball, the bottom swing joint of steel sword has the column that rolls, the bottom swing joint of column that rolls has the universal wheel, the top fixedly connected with rack of steel sword one side.

Preferably, a crushing device is movably mounted above the cutting device, an auxiliary groove is formed in the outer side of the bottom of the outer barrel, an auxiliary ball is movably embedded in the auxiliary groove, a triangular dustpan is movably connected to one side of the auxiliary ball, a rotating rod is movably connected to the middle of the triangular dustpan, a Y-shaped hammer cutter is movably connected to the outer side of the rotating rod, a gear is fixedly sleeved on the outer side of one end of the rotating rod, and the gear is meshed with the rack.

Preferably, the top of the steel knife is fixedly connected with an inclined blade, the bottom of the triangular dustpan is provided with an airflow hole, and the inclined blade rotates along with the steel knife to generate reverse airflow so that the airflow above the triangular dustpan flows downwards through the airflow hole.

Preferably, the steel knife can rotate up and down in the movable groove along the movable ball, and the rack has toughness and can drive the gear to rotate along with the swinging of the steel knife.

The invention has the following beneficial effects:

1. according to the weed cutting device, the movable ball drives the steel cutter to rotate to cut weeds through rotation of the cutter head, the universal wheel is vertically put down by the rolling column to support the steel cutter, the movable ball is driven by the steel cutter in different terrains such as a steep slope to rotate up and down in the movable groove, the fact that the cutter head is directly put on the ground to be pushed to cut weeds is achieved, the movable ball is driven by the steel cutter in the steep slope to rotate to enable the universal wheel to be grounded on the ground, weeds with a certain length are cut, and the problems of fatigue and uneven cutting of manual carrying are solved.

2. According to the invention, the inclined blades are driven to rotate by the rotation of the steel knife to generate reverse airflow, so that cut weed is sucked into the triangular dustpan, the steel knife drives the rack to rotate to enable the gear to rotate, the gear drives the rotating rod to rotate to enable the Y-shaped hammer knife to rotate to crush grass stalks, the crushed grass stalks are sucked into the lawn and are scattered onto the lawn through the airflow holes, and the problem of lawn diseases caused by the accumulation of a large number of grass stalks is solved.

Drawings

FIG. 1 is a schematic view of the entire structure of a weeding machine according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the cutting device according to the present invention;

FIG. 4 is a schematic top view of the crushing apparatus according to the present invention.

In the figure: 1. an engine; 2. a grab rail; 3. an outer cylinder; 4. a cutter head; 5. a cutting device; 50. a movable groove; 51. a movable ball; 52. a steel knife; 53. a rolling post; 54. a universal wheel; 55. oblique blades; 56. a rack; 6. a crushing device; 60. a secondary groove; 61. a secondary ball; 62. a triangular dustpan; 63. a rotating rod; 64. a Y-shaped hammer cutter; 65. a gear; 66. and an airflow hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a handheld rotary-cutter type weeding machine comprises an engine 1, one side of the engine 1 is electrically connected with a grab bar 2, the bottom of the grab bar 2 is fixedly connected with an outer cylinder 3, the inner part of the outer cylinder 3 is movably connected with a cutter head 4, the outer side of the bottom of the cutter head 4 is movably provided with a cutting device 5, the outer side of the bottom of the cutter head 4 is provided with a movable groove 50, the inner part of the movable groove 50 is movably embedded with a movable ball 51, one side of the movable ball 51 is fixedly connected with a steel cutter 52, the bottom of the steel cutter 52 is movably connected with a rolling column 53, the bottom of the rolling column 53 is movably connected with a universal wheel 54, the top of one side of the steel cutter 52 is fixedly connected with a rack 56, the movable ball 51 drives the steel cutter 52 to rotate to cut weeds by starting the engine 1 to drive the cutter head 4 to rotate, the rolling column, when the steep terrain steel knife 52 is encountered, the movable ball 51 can be driven to rotate in the movable groove 50, the length of grass roots left in cutting can be kept on different terrains, and the problems of manual hand-held fatigue and difficulty in cutting or uneven cutting on different terrains are solved.

Wherein, the top movable mounting of cutting device 5 has reducing mechanism 6, vice groove 60 has been seted up to the bottom outside of urceolus 3, vice ball 61 has been inlayed in the inside activity of vice groove 60, one side swing joint of vice ball 61 has triangle dustpan 62, the middle swing joint of triangle dustpan 62 has bull stick 63, the outside swing joint of bull stick 63 has "Y" word hammer sword 64, gear 65 is fixed cup jointed to the outside of bull stick 63 one end, gear 65 and rack 56 mesh, it makes gear 65 rotate to drive rack 56 through the rotation of steel knife 52, and then make bull stick 63 rotate, realized falling into the dustpan 62 after the rotation of steel knife 52 cuts weeds absolutely and make bull stick 63 drive "Y" word hammer sword 64 rotatory smash weeds, be convenient for the microorganism decomposes into nourishment fast, the problem that a large amount of bold stalk piles up to make the microorganism decompose and produce moisture and easily cause the lawn to get the disease is solved.

The top of the steel knife 52 is fixedly connected with the inclined blade 55, the bottom of the triangular dustpan 62 is provided with the airflow hole 66, the inclined blade 55 rotates along with the steel knife 52 to generate reverse airflow, so that the airflow above the triangular dustpan 62 flows downwards through the airflow hole 66, the steel knife 52 drives the inclined blade 55 to rotate to generate reverse airflow, cut grass stalks are adsorbed into the triangular dustpan 62 to be crushed by the Y-shaped hammer knife 64, crushed grass is sucked into the bottom of the airflow hole 66 to be uniformly scattered to a lawn by the inclined blade 55, and microorganisms can be conveniently and rapidly decomposed into the crushed grass which is changed into nourishment.

The steel knife 52 can rotate up and down in the movable groove 50 along the movable ball 51, the rack 56 has toughness and can rotate along with the driving gear 65 of the swing of the steel knife 52, the steel knife 52 drives the movable ball 51 to rotate in the movable groove 50 through different terrains, the rolling column 53 is kept to support the universal wheel 54 to be always attached to the ground, the triangular dustpan 62 drives the auxiliary ball 61 to rotate in the auxiliary groove 60 and is always rotatably supported by the rack 56, and grass roots with the same length can be cut and reserved on different terrains.

The using method of the invention has the following working principle:

the engine 1 is started to electrically drive the outer barrel 3 to drive the cutter head 4 to rotate, so that the movable ball 51 drives the steel knife 52 to rotate to cut weeds, the steel knife 52 rotates to drive the inclined blade 55 to rotate to generate reverse airflow, cut grass stalks are adsorbed into the triangular dustpan 62 through the airflow hole 66, the steel knife 52 rotates to drive the rack 56 to rotate to drive the gear 65 to rotate, the rotating rod 63 further rotates to drive the Y-shaped hammer knife 64 to rotate to crush the grass stalks, the steel knife 52 drives the movable ball 51 to rotate in the movable groove 50 when encountering steep slope terrain, the rolling column 53 is kept to support the universal wheel 54 to be tightly attached to the ground, and the grass roots with certain length can be cut on any terrain.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a handheld rotary-cutter type weeder, includes engine (1), one side electricity of engine (1) is connected with grab bar (2), the bottom fixedly connected with urceolus (3) of grab bar (2), the inside swing joint of urceolus (3) has blade disc (4), its characterized in that: the bottom outside movable mounting of blade disc (4) has cutting device (5), movable groove (50) have been seted up in the bottom outside of blade disc (4), movable ball (51) have been inlayed in the inside activity of movable groove (50), one side fixedly connected with steel sword (52) of movable ball (51), the bottom swing joint of steel sword (52) has rolling post (53), the bottom swing joint of rolling post (53) has universal wheel (54), the top fixedly connected with rack (56) of steel sword (52) one side.

2. A hand-held rotary-knife herbicide as claimed in claim 1 in which: the utility model discloses a cutting device, including outer barrel (3), cutting device (5), auxiliary groove (60), vice ball (61) have been inlayed in the inside activity of auxiliary groove (60), one side swing joint of vice ball (61) has triangle dustpan (62), the centre swing joint of triangle dustpan (62) has bull stick (63), the outside swing joint of bull stick (63) has "Y" word hammer sword (64), gear (65) have been fixed to cup jointed in the outside of bull stick (63) one end, gear (65) and rack (56) meshing.

3. A hand-held rotary-blade weeding machine according to claim 2, wherein: the top of the steel knife (52) is fixedly connected with an inclined blade (55), the bottom of the triangular dustpan (62) is provided with an airflow hole (66), and the inclined blade (55) rotates along with the steel knife (52) to generate reverse airflow so that the airflow above the triangular dustpan (62) flows downwards through the airflow hole (66).

4. A hand-held rotary-blade weeding machine according to claim 2, wherein: the steel knife (52) can rotate up and down in the movable groove (50) along the movable ball (51), and the rack (56) has toughness and can drive the gear (65) to rotate along with the swinging of the steel knife (52).