阅读说明：本技术 一种具有保护功能的手持割草机 (Handheld lawn mower with protect function ) 是由 赵秀华 于 2020-11-25 设计创作，主要内容包括：本发明涉及除草设备技术领域,且公开了一种具有保护功能的手持割草机,包括安装支架,安装支架的内部设置有中心柱,中心柱的外侧靠近安装支架的底部设置有调节轮,安装支架的下端活动连接有底盘,底盘下端的右侧设置有辅助固定柱,辅助固定柱的下端固定连接有固定刀盘,固定刀盘的中部设置有撒药窗,撒药窗的上端活动连接有送药管,固定刀盘左侧上方设置有活动刀盘,活动刀盘的左侧外沿设置有可调刀片,活动刀盘的上方设置有振动器。该具有保护功能的手持割草机,通过采用振动切割代替了高速旋转的转刀,对使用者更加安全,同时,根据可调刀片装配间距,可控制可切割的最大直径,可以有效防止误伤苗木。(The invention relates to the technical field of weeding equipment and discloses a handheld mower with a protection function, which comprises an installation support, wherein a central column is arranged inside the installation support, an adjusting wheel is arranged on the outer side of the central column, which is close to the bottom of the installation support, the lower end of the installation support is movably connected with a chassis, an auxiliary fixing column is arranged on the right side of the lower end of the chassis, a fixed cutter head is fixedly connected with the lower end of the auxiliary fixing column, a pesticide spreading window is arranged in the middle of the fixed cutter head, the upper end of the pesticide spreading window is movably connected with a pesticide feeding pipe, a movable cutter head is arranged above the left side of the fixed cutter head, an adjustable blade is arranged on the outer. This handheld lawn mower with protect function has replaced high-speed rotatory rotary cutter through adopting the vibration cutting, and is safer to the user, simultaneously, according to adjustable blade fitting distance, steerable maximum diameter that can cut can effectively prevent the accidental injury nursery stock.)

1. A handheld lawn mower with protect function, includes installing support (1), its characterized in that: the medicine dispensing device is characterized in that a central column (2) is arranged inside the mounting support (1), an adjusting wheel (3) is arranged at the outer side of the central column (2) and close to the bottom of the mounting support (1), a chassis (4) is movably connected to the lower end of the mounting support (1), an auxiliary fixing column (5) is arranged on the right side of the lower end of the chassis (4), a fixed cutter head (6) is fixedly connected to the lower end of the auxiliary fixing column (5), a medicine dispensing window (7) is arranged in the middle of the fixed cutter head (6), a medicine feeding pipe (8) is movably connected to the upper end of the medicine dispensing window (7), a movable cutter head (9) is arranged above the left side of the fixed cutter head (6), an adjustable cutter blade (10) is arranged on the outer edge of the left side of the movable cutter head (9), a vibrator (11) is arranged above the movable cutter head, the eccentric flywheel (13) is coaxially coupled to the connecting block (12), limiting springs (14) are arranged on the periphery of the connecting block (12), a movable block (15) is arranged at the position, right facing the vibrator (11), of the chassis (4), and a worm (16) is connected to the inner meshing of the movable block (15).

2. A handheld lawn mower with protection as claimed in claim 1, wherein: the adjusting wheel (3) is sleeved outside the central column (2), the outer ring is provided with a gear ring which is meshed with the driving gear, and the lower end face is provided with the gear ring.

3. A handheld lawn mower with protection as claimed in claim 1, wherein: the lower ends of the central column (2) and the auxiliary fixing column (5) are fixedly connected with the upper end face of the fixed cutter head (6).

4. A handheld lawn mower with protection as claimed in claim 1, wherein: the left outer edge of the fixed cutter head (6) is provided with a fixed blade.

5. A handheld lawn mower with protection as claimed in claim 1, wherein: the upper end of the medicine feeding pipe (8) is connected to a medicine feeding mechanism in the mounting bracket (1).

6. A handheld lawn mower with protection as claimed in claim 1, wherein: the adjustable blades (10) are opposite to the fixed blades on the fixed cutter head (6), and the distance between the adjustable blades and the fixed blades can be adjusted according to the use conditions.

7. A handheld lawn mower with protection as claimed in claim 1, wherein: the upper part of the rotating shaft of the eccentric flywheel (13) is coupled with a main shaft of a vibration motor arranged on the upper part of the vibrator (11), and the lower end of the rotating shaft is movably connected with the connecting block (12).

8. A handheld lawn mower with protection as claimed in claim 1, wherein: the right end of the worm (16) is provided with a gear which is matched with a gear ring arranged on the lower end face of the adjusting wheel (3).

Technical Field

The invention relates to the technical field of weeding equipment, in particular to a handheld mower with a protection function.

Background

A weeder is a common agricultural or garden equipment used to cut off weeds growing around crops or seedlings while spraying herbicide properly, and small-sized garden or agricultural hand-held weeders often use a rotating cutter to cut the rotating cutter at the bottom near the root of the weeds. The cutting rotary cutter has high rotating speed, can accidentally injure nursery stocks and crops when being carelessly operated, is threatened to operators, is very dangerous, is easy to cause abrasion and even damage of a cutter head when being mistakenly contacted with hard stones when rotating at high speed, and does not meet the requirements of a new era of intelligent manufacturing.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the handheld mower with the protection function, which has the advantages of long service life and higher safety factor and solves the problems in the background technology.

(II) technical scheme

In order to realize the purposes of long service life and higher safety coefficient, the invention provides the following technical scheme: a handheld mower with a protection function comprises a mounting bracket, wherein a central column is arranged inside the mounting bracket, an adjusting wheel is arranged at the outer side of the central column, which is close to the bottom of the mounting bracket, an adjusting wheel is arranged at the lower end of the mounting bracket, a chassis is movably connected with the lower end of the mounting bracket, an auxiliary fixing column is arranged at the right side of the lower end of the chassis, a fixed cutter head is fixedly connected with the lower end of the auxiliary fixing column, a pesticide spraying window is arranged in the middle of the fixed cutter head, the upper end of the pesticide spraying window is movably connected with a pesticide conveying pipe, a movable cutter head is arranged above the left side of the fixed cutter head, an adjustable blade is arranged at the outer edge of the left side of the movable cutter head, a vibrator is arranged above the movable cutter head, a connecting block is arranged at the center of the vibrator, the inside meshing of movable block is connected with the worm.

Preferably, the regulating wheel is sleeved outside the central column, the outer ring is provided with a gear ring which is meshed with the driving gear, and the lower end face is provided with the gear ring.

Preferably, the lower ends of the central column and the auxiliary fixing column are fixedly connected with the upper end face of the fixed cutter head.

Preferably, the fixed blade is arranged on the left outer edge of the fixed cutter head.

Preferably, the upper end of the medicine feeding pipe is connected to a medicine feeding mechanism in the mounting bracket.

Preferably, the adjustable blades face the fixed blades on the fixed cutter head, and the distance between the adjustable blades and the fixed blades can be adjusted according to the use conditions.

Preferably, the upper part of the eccentric flywheel rotating shaft is coupled with a main shaft of a vibration motor arranged on the upper part of the vibrator, and the lower end of the eccentric flywheel rotating shaft is movably connected with the connecting block.

Preferably, the right end of the worm is provided with a gear matched with a gear ring arranged on the lower end face of the adjusting wheel.

(III) advantageous effects

Compared with the prior art, the invention provides the handheld mower with the protection function, and the handheld mower has the following beneficial effects:

1. this handheld lawn mower with protect function has replaced high-speed rotatory rotary cutter through adopting the vibration cutting, and is safer to the user, simultaneously, according to adjustable blade fitting distance, steerable maximum diameter that can cut can effectively prevent the accidental injury nursery stock.

2. This handheld lawn mower with protect function has the pencil of sending through the upper end swing joint who spills the medicine window, send the pencil upper end to be connected to the mechanism of dosing in the installing support, and the cutting back can be directly to remaining grass root department spray the weedicide, hugs closely the root and sprays, and is more effective, practices thrift the medicament.

3. This handheld lawn mower with protect function rotates through the regulating wheel and can drive the worm and rotate to control and remove about the drive movable block, realize the flexible of control vibrator and activity cutter head, can be when not using, withdraw movable cutter head in the chassis, with improvement safety in utilization and life.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the telescopic protection structure of the present invention;

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

FIG. 4 is a schematic view of the structure of the movable cutter head of the present invention;

fig. 5 is a schematic diagram of the vibrator of the present invention.

In the figure: 1. mounting a bracket; 2. a central column; 3. an adjustment wheel; 4. a chassis; 5. auxiliary fixing columns; 6. fixing a cutter head; 7. a pesticide spreading window; 8. a medicine delivery pipe; 9. a movable cutter disc; 10. an adjustable blade; 11. a vibrator; 12. connecting blocks; 13. an eccentric flywheel; 14. a limiting spring; 15. a movable block; 16. a worm.

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. 1-5, a handheld mower with protection function comprises a mounting bracket 1, a central column 2 is arranged inside the mounting bracket 1, an adjusting wheel 3 is arranged at the outer side of the central column 2 near the bottom of the mounting bracket 1, a chassis 4 is movably connected to the lower end of the mounting bracket 1, an auxiliary fixing column 5 is arranged on the right side of the lower end of the chassis 4, a fixed cutter head 6 is fixedly connected to the lower end of the auxiliary fixing column 5, a medicine dispensing window 7 is arranged in the middle of the fixed cutter head 6, a medicine feeding pipe 8 is movably connected to the upper end of the medicine dispensing window 7, a movable cutter head 9 is arranged above the left side of the fixed cutter head 6, an adjustable blade 10 is arranged on the outer edge of the left side of the movable cutter head 9, a vibrator 11 is arranged above the movable cutter head 9, a connecting block 12 is arranged in the center of the vibrator 11, the chassis 4 is provided with a movable block 15 opposite to the vibrator 11, and a worm 16 is meshed and connected inside the movable block 15.

Wherein, the regulating wheel 3 is sleeved outside the central column 2, the outer ring is provided with a gear ring which is meshed with the driving gear, and the lower end surface is provided with the gear ring.

Wherein, the lower ends of the central column 2 and the auxiliary fixing column 5 are fixedly connected with the upper end surface of the fixed cutter head 6.

Wherein, the left outer edge of the fixed cutter head 6 is provided with a fixed blade.

Wherein, the upper end of the medicine feeding pipe 8 is connected to a medicine feeding mechanism in the mounting bracket 1.

The adjustable blades 10 face the fixed blades on the fixed cutter head 6, and the distance between the adjustable blades can be adjusted according to the use condition.

Wherein, the upper part of the rotating shaft of the eccentric flywheel 13 is coupled with the main shaft of the oscillating motor arranged on the upper part of the vibrator 11, and the lower end is movably connected with the connecting block 12.

Wherein, the right end of the worm 16 is provided with a gear matched with a gear ring arranged on the lower end surface of the adjusting wheel 3.

The working principle is as follows: this handheld mower with protect function, the outer edge in left side of fixed blade disc 6 is provided with fixed blade, the outer edge in left side of activity blade disc 9 is provided with adjustable blade 10, the top is provided with vibrator 11, adjustable blade 10 is just to fixed blade on the fixed blade disc 6, during the operation of mowing, motor drive eccentric flywheel 13 rotates in the vibrator 11, make vibrator 11 produce the vibration and drive activity blade disc 9 and adjustable blade 10 horizontal vibration, the outer edge fixed blade in left side of cooperation fixed blade disc 6 cuts, adopt the rotary cutter of vibration cutting replacement high-speed rotation, safer to the user, simultaneously, according to adjustable blade 10 assembly interval, steerable maximum diameter that can cut, can prevent effectively that the mistake from hindering the nursery stock.

The middle part of the fixed cutter head 6 is provided with a pesticide spreading window 7, the upper end of the pesticide spreading window 7 is movably connected with a pesticide feeding pipe 8, the upper end of the pesticide feeding pipe 8 is connected to a pesticide feeding mechanism in the mounting bracket 1, after cutting, the residual grass roots can be sprayed with herbicide and are tightly attached to the roots, and the herbicide is more effective and saves pesticide.

According to the handheld mower with the protection function, the movable block 15 is arranged at the position, right facing the vibrator 11, of the chassis 4, the worm 16 is connected to the inner meshing of the movable block 15, a gear is arranged at the right end of the worm 16 and matched with a gear ring arranged on the lower end face of the adjusting wheel 3, the adjusting wheel 3 can drive the worm 16 to rotate so as to drive the movable block 15 to move left and right, the stretching of the vibrator 11 and the movable cutter head 9 is controlled, the movable cutter head 9 can be retracted into the chassis 4 when the handheld mower is not used, and the use safety and the service life are improved.

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.