Lawn mower with blade height convenient to adjust

Abstract

The utility model relates to the technical field of mowers, in particular to a mowing machine convenient for adjusting blade height, which comprises a machine body, a handrail mechanism, a pulley mechanism and a driving motor are arranged on the machine body, an adjusting box is arranged on one side of the machine body, a threaded hole is arranged on the adjusting box, a threaded column is arranged on the threaded hole, and the blade height can be adjusted conveniently through the threaded column. A first bearing is arranged at the bottom end of the threaded column, an adjusting plate is arranged on the first bearing, an open hole is formed in the adjusting plate, a second bearing is arranged on the open hole, an adjusting column is arranged on the second bearing, a butt joint groove is formed in the bottom end of the machine body, and the top end of the adjusting column extends into the butt joint groove. By means of the structure, the height of the blade can be rapidly and conveniently adjusted, a worker can conveniently adjust the height of the blade according to the mowing requirement, and use is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to a lawn mower with a blade height that is convenient to adjust. Background Art

[0002] As we all know, lawn mowers are also called weed cutters, lawn mowers, lawn trimmers, etc. A lawn mower is a mechanical tool used to trim lawns, vegetation, etc. The birth of lawn mowers saves the working time of weeding workers and reduces a lot of human resources. Traditional lawn mowers generally adjust the height of the blade through a manual adjustment mechanism. This adjustment method is not only complicated to operate, but also takes a long time. In addition, the height of the blade can only be adjusted when the lawn mower stops running, which is extremely inconvenient to use. Therefore, it is necessary to propose a solution to this technical problem. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a lawn mower with a blade height that is convenient for adjusting.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lawn mower which is convenient for adjusting the height of a blade, comprising a body, an armrest mechanism, a pulley mechanism and a driving motor are arranged on the body, an adjustment box is arranged on one side of the body, a threaded hole is arranged on the adjustment box, a threaded column is arranged on the threaded hole, a first bearing is arranged on the bottom end of the threaded column, an adjustment plate is arranged on the first bearing, an opening is arranged on the adjustment plate, a second bearing is arranged on the opening, an adjustment column is arranged on the second bearing, a docking groove is arranged on the bottom end of the body, the top end of the adjustment column extends into the docking groove, a rectangular groove is arranged on the top end of the adjustment column, the driving motor is mounted on the top end of the body, a rectangular column is arranged on the output end of the driving motor, the rectangular column extends into the rectangular groove, the bottom end of the adjustment column extends to below the adjusting plate, a blade is arranged on the bottom end of the adjustment column, and a guide mechanism is arranged between the adjusting plate and the body.

[0007] Furthermore, the utility model is improved in that the guide mechanism includes a guide column and a guide hole, the guide column is installed at the top end of the adjustment plate, the guide hole is opened at the bottom end of the body, a limiting groove is opened at the top end of the guide hole, the guide column extends into the guide hole, and a limiting block is provided between the guide column and the limiting groove.

[0008] Furthermore, the utility model is improved in that the guide mechanisms are provided with two and are symmetrically arranged.

[0009] Furthermore, the utility model is improved in that the rectangular groove and the rectangular column are both hexagonal structures.

[0010] Furthermore, the utility model is improved in that the driving motor is a servo motor.

[0011] Furthermore, the utility model is improved in that the armrest mechanism includes a handrail and a support rod, the support rod is installed on the top end of the body, two support rods are provided, and the handrail connects the top ends of the two support rods.

[0012] Furthermore, the utility model is improved in that the pulley mechanism includes a universal wheel, the universal wheel is installed around the bottom end of the body, and the universal wheel is provided with a wheel lock.

[0013] Furthermore, the utility model is improved in that a screw block is provided at the top end of the threaded column.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a lawn mower that is easy to adjust the blade height, and has the following beneficial effects:

[0016] The lawn mower is easy to adjust the blade height. By rotating the threaded column of the threaded hole on the adjustment box, the rectangular column moves in the rectangular groove, so that the height of the blade can still be adjusted when the adjustment column rotates. The guide mechanism can make the adjustment plate more stable in adjusting the height. This structure can quickly and conveniently adjust the height of the blade, and can facilitate personnel to adjust the height of the blade according to the needs of mowing. It is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0019] Figure 3 For this utility model Figure 1 The enlarged structure of the middle body is a half-section view from the front;

[0020] Figure 4 For this utility model Figure 1 An enlarged half-section of the structure of the middle fuselage viewed from above.

[0021] In the figure: 1. body; 2. driving motor; 3. adjusting box; 4. threaded column; 5. first bearing; 6. adjusting plate; 7. second bearing; 8. adjusting column; 9. rectangular column; 10. blade; 11. guide column; 12. limit block; 13. handrail; 14. support rod; 15. universal wheel; 16. screw block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model is a lawn mower for adjusting the height of a blade, comprising a machine body 1, wherein the machine body 1 is provided with an armrest mechanism, a pulley mechanism and a driving motor 2, an adjusting box 3 is provided on one side of the machine body 1, a threaded hole is provided on the adjusting box 3, a threaded column 4 is provided on the threaded hole, a first bearing 5 is provided at the bottom end of the threaded column 4, an adjusting plate 6 is provided on the first bearing 5, an opening is provided on the adjusting plate 6, a second bearing 7 is provided on the opening, an adjusting column 8 is provided on the second bearing 7, a docking groove is provided at the bottom end of the machine body 1, the top end of the adjusting column 8 extends into the docking groove, a rectangular groove is provided at the top end of the adjusting column 8, the driving motor 2 is mounted on the top end of the machine body 1, a rectangular column 9 is provided at the output end of the driving motor 2, the rectangular column 9 extends into the rectangular groove, the bottom end of the adjusting column 8 extends to below the adjusting plate 6, a blade 10 is provided at the bottom end of the adjusting column 8, a guide mechanism is provided between the adjusting plate 6 and the machine body 1, and in this embodiment, by turning on the driving motor 2, the output of the driving motor 2 The output end drives the rectangular column 9 to rotate, and the rectangular column 9 extends into the rectangular groove, so that the adjusting column 8 can rotate with the rectangular column 9 through the rectangular groove, and the adjusting column 8 can stably rotate through the second bearing 7 of the adjusting plate 6, and the blade 10 at the bottom of the adjusting column 8 can cut the grass, thereby achieving the purpose of mowing. When it is necessary to adjust the height of the blade 10, the threaded column 4 of the threaded hole on the rotating adjustment box 3 is rotated and moved in the threaded hole, and the threaded column 4 can drive the adjusting plate 6 to move through the first bearing 5, and the adjusting plate 6 can drive the adjusting column 8 to adjust the height through the second bearing 7. The rectangular column 9 moves its position in the rectangular groove, so that when the adjusting column 8 rotates, the height of the blade 10 can still be adjusted, and the height of the adjusting plate 6 can be adjusted more stably through the guide mechanism. The pulley mechanism is convenient for moving the machine body 1, so as to facilitate mowing operations, and the armrest mechanism is convenient for personnel to hold and use the machine body 1. The structure can quickly and conveniently adjust the height of the blade 10, and can facilitate personnel to adjust the height of the blade 10 according to the needs of mowing, and is convenient to use.

[0024] In the present embodiment, the guide mechanism includes a guide column 11 and a guide hole, wherein the guide column 11 is installed at the top end of the adjustment plate 6, the guide hole is provided at the bottom end of the body 1, a limiting groove is provided at the top end of the guide hole, the guide column 11 extends into the guide hole, a limiting block 12 is provided between the guide column 11 and the limiting groove, and the guide column 11 of the adjustment plate 6 extends into the guide hole, so that the adjustment plate 6 can be more stable when moving in height, and the limiting block 12 between the guide column 11 and the limiting groove can limit the guide column 11, so that the adjustment plate 6 is limited when it moves downward in height, so as to prevent the blade 10 from dropping too low and contacting the ground to damage the blade 10.

[0025] In this solution, the guide mechanisms are provided with two and are symmetrically arranged. By providing two and symmetrically arranged guide mechanisms, the adjustment plate 6 can be more stable when adjusting the height, and the adjustment column 8 can be more stably rotated on the second bearing 7.

[0026] In the present embodiment, the rectangular groove and the rectangular column 9 are both hexagonal structures. Since the rectangular groove and the rectangular column 9 are both hexagonal structures, the rectangular column 9 can drive the adjusting column 8 to rotate more stably through the rectangular groove.

[0027] In this solution, the driving motor 2 is a servo motor, which has the characteristic of high rotation accuracy, thereby being able to improve the rotation accuracy of the driving motor 2 .

[0028] In this solution, the armrest mechanism includes a handrail 13 and a support rod 14, wherein the support rod 14 is installed at the top of the body 1, and two support rods 14 are provided. The handrail 13 connects the top ends of the two support rods 14. The handrail 13 can be fixed more stably by the two support rods 14, and a person can conveniently use the body 1 by holding the handrail 13.

[0029] In this solution, the pulley mechanism includes a universal wheel 15, which is installed around the bottom end of the body 1. The universal wheel 15 is provided with a wheel lock. The universal wheel 15 installed around the bottom end of the body 1 facilitates the movement of the body 1, thereby facilitating the mowing operation. The wheel lock on the universal wheel 15 can lock the universal wheel 15, thereby fixing the body 1 at a specified position.

[0030] In this solution, a screw block 16 is provided at the top of the threaded column 4 , and the threaded column 4 can be easily rotated by holding the screw block 16 .

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lawn mower with a blade height that can be easily adjusted, comprising a body (1), characterized in that: The machine body (1) is provided with an armrest mechanism, a pulley mechanism and a driving motor (2); an adjustment box (3) is provided on one side of the machine body (1); a threaded hole is provided on the adjustment box (3); a threaded column (4) is provided on the threaded hole; a first bearing (5) is provided at the bottom end of the threaded column (4); an adjustment plate (6) is provided on the first bearing (5); an opening is provided on the adjustment plate (6); a second bearing (7) is provided on the opening; an adjustment column (8) is provided on the second bearing (7); and the bottom end of the machine body (1) is provided with a threaded hole. A docking groove is provided, the top end of the adjusting column (8) extends into the docking groove, a rectangular groove is opened at the top end of the adjusting column (8), the driving motor (2) is mounted at the top end of the machine body (1), a rectangular column (9) is provided at the output end of the driving motor (2), the rectangular column (9) extends into the rectangular groove, the bottom end of the adjusting column (8) extends to below the adjusting plate (6), a blade (10) is provided at the bottom end of the adjusting column (8), and a guide mechanism is provided between the adjusting plate (6) and the machine body (1).

2. A lawn mower with easily adjustable blade height according to claim 1, characterized in that: The guide mechanism comprises a guide column (11) and a guide hole, wherein the guide column (11) is mounted on the top end of the adjustment plate (6), the guide hole is provided at the bottom end of the body (1), a limiting groove is provided at the top end of the guide hole, the guide column (11) extends into the guide hole, and a limiting block (12) is provided between the guide column (11) and the limiting groove.

3. A lawn mower with easy-to-adjust blade height according to claim 2, characterized in that: The guide mechanisms are provided with two and are symmetrically arranged.

4. A lawn mower with easily adjustable blade height according to claim 3, characterized in that: The rectangular groove and the rectangular column (9) are both hexagonal structures.

5. A lawn mower with easy-to-adjust blade height according to claim 4, characterized in that: The driving motor (2) is a servo motor.

6. A lawn mower with easily adjustable blade height according to claim 5, characterized in that: The armrest mechanism comprises a handrail (13) and a support rod (14); the support rod (14) is mounted on the top end of the machine body (1); two support rods (14) are provided; and the handrail (13) connects the top ends of the two support rods (14).

7. A lawn mower with easily adjustable blade height according to claim 6, characterized in that: The pulley mechanism comprises a universal wheel (15), which is installed around the bottom end of the machine body (1), and a wheel lock is provided on the universal wheel (15).

8. A lawn mower with easily adjustable blade height according to claim 7, characterized in that: A screw block (16) is provided at the top end of the threaded column (4).

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