CN221901473U - Handheld lawn mower device - Google Patents

Abstract

The utility model discloses a handheld lawn mower device, which relates to the technical field of lawn mowers. The handheld lawn mower device comprises a driving motor, wherein the output end of the driving motor rotates and penetrates a protective cover and extends to the bottom of the protective cover, a disc is fixedly mounted on the output end of the driving motor, a blade is fixedly mounted inside the disc, a protective cover is arranged on the driving motor, four connecting pieces are fixedly mounted on the surface of the protective cover, sliding rods are slidably connected inside the four connecting pieces, and a lifting frame is fixedly mounted on the upper ends of the four sliding rods, so that the protective cover and the blade are raised, and then the distance between the blade and the ground is raised, so that it is convenient to trim the horizontal lawn, and then the uneven trimming phenomenon is prevented, and the beauty of the lawn is ensured, and at the same time, it is convenient to adjust according to the trimming height, so as to expand the use range of the device.

Description

Handheld lawn mower device

Technical Field

The utility model relates to the technical field of lawn mowers, in particular to a handheld lawn mower device.

Background Art

A lawn mower is also called a weed cutter, lawn mower, lawn trimmer, etc. It is a mechanical tool used to trim lawns and vegetation, and is available in diesel and gasoline engines. It consists of a cutter disc, an engine, a running wheel, a running mechanism, a blade, a handrail, a control, and other parts. The blade uses the high-speed rotation of the engine to greatly increase the output speed, saving the working time of the weeding workers and reducing a lot of human resources.

When mowing the lawn, a lawn mower is needed. However, when some existing lawn mowers are used, workers usually hold the lawn mower to mow the lawn. However, when the workers hold the lawn mower, the lawn mower is prone to swing, which causes the lawn to be uneven when mowed, thereby affecting the beauty of the lawn.

Utility Model Content

The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a handheld lawn mower device that can solve the problems of the background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld lawn mower device, including a driving motor, the output end of the driving motor rotates through the protective cover and extends to the bottom of the protective cover, the output end of the driving motor is fixedly installed with a disc, and a blade is fixedly installed inside the disc, and a protective cover is provided on the driving motor, four connecting pieces are fixedly installed on the surface of the protective cover, and the insides of the four connecting pieces are slidably connected with sliding rods, and the upper ends of the four sliding rods are fixedly installed with a lifting frame, and the internal threads of the lifting frame are connected with threaded rods, and the lower ends of the threaded rods are rotatably connected to the top of the protective cover.

Preferably, a limit plate is fixedly sleeved on the surface of the lower ends of the four sliding rods, and a universal wheel is provided at the bottom of the limit plate.

Preferably, a limiting rod is slidably connected inside the protective cover, a return spring is movably sleeved on the surface of the limiting rod, and two ends of the return spring are respectively fixedly connected to the bottom of the limiting rod and the top of the protective cover.

Preferably, a second scraper is fixedly mounted on the bottom of the limiting rod, and the second scraper is in contact with the inner wall of the protective cover.

Preferably, the second scraper is rotatably connected to a rotating shaft, and a fixed wheel is fixedly mounted on one end of the rotating shaft.

Preferably, a first scraper is fixedly mounted on the output end of the driving motor, and the first scraper is in contact with the bottom of the protective cover.

Preferably, a pushing block is fixedly mounted on one end of the first scraper.

Preferably, the pushing block is in the shape of a triangle.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The handheld lawn mower device rotates the threaded rod to move the lifting frame downward, and the lifting frame drives the four sliding rods to slide inside the four connecting plates, thereby reducing the distance between the lifting frame and the protective cover, thereby raising the protective cover and the blade, and thereby raising the distance between the blade and the ground, making it easier to trim the horizontal lawn, thereby preventing uneven trimming and ensuring the beauty of the lawn. At the same time, it is easy to adjust according to the trimming height, thereby expanding the use range of the device.

(2) The handheld lawn mower device enables the first scraper to clean the bottom of the protective cover. At the same time, when the first scraper rotates, it drives the push block to rotate. When the push block contacts the fixed wheel, the push block squeezes the fixed wheel, thereby moving the second scraper and the rotating shaft, causing the limiting rod to slide inside the protective cover and squeeze the reset spring. When the push block no longer squeezes the fixed wheel, the second scraper is reset by the elastic force of the reset spring, thereby causing the second scraper to clean the side wall of the protective cover, thereby facilitating the cleaning of the side wall of the protective cover, facilitating the cleaning of the protective cover, preventing weeds from accumulating at the bottom of the protective cover, and improving the aesthetics of the bottom of the protective cover.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings and embodiments:

FIG1 is a schematic structural diagram of a handheld lawn mower device according to the present invention;

FIG2 is an enlarged schematic diagram of point A in FIG1 of the present utility model;

FIG3 is an enlarged schematic diagram of point B in FIG1 of the present utility model;

FIG4 is a schematic diagram of the bottom of the protective cover of the utility model;

FIG. 5 is an enlarged schematic diagram of point C in FIG. 4 of the present invention.

Figure numerals: 1. driving motor; 2. protective cover; 3. threaded rod; 4. lifting frame; 5. sliding rod; 6. connecting plate; 7. limit plate; 8. universal wheel; 9. limiting rod; 10. reset spring; 11. disc; 12. blade; 13. first scraper; 14. pushing block; 15. second scraper; 16. rotating shaft; 17. fixed wheel.

DETAILED DESCRIPTION

This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

Please refer to Figures 1-5. The utility model provides a technical solution: a handheld lawn mower device, including a driving motor 1, the output end of the driving motor 1 rotates through the protective cover 2 and extends to the bottom of the protective cover 2, the output end of the driving motor 1 is fixedly installed with a disc 11, the inside of the disc 11 is fixedly installed with a blade 12, the driving motor 1 is provided with a protective cover 2, the surface of the protective cover 2 is fixedly installed with four connecting pieces 6, the inside of the four connecting pieces 6 are all slidably connected with sliding rods 5, the upper ends of the four sliding rods 5 are fixedly installed with a lifting frame 4, the internal thread of the lifting frame 4 is connected with a threaded rod 3, the lower end of the threaded rod 3 is rotatably connected to the top of the protective cover 2, the surface of the lower ends of the four sliding rods 5 is fixedly sleeved with a limit plate 7, and the bottom of the limit plate 7 is provided with a universal wheel 8.

The threaded rod 3 is rotated to move the lifting frame 4 downward, and the four sliding rods 5 are driven by the lifting frame 4 to slide inside the four connecting pieces 6, thereby reducing the distance between the lifting frame 4 and the protective cover 2, thereby raising the protective cover 2 and the blade 12, and thereby raising the distance between the blade 12 and the ground, so as to facilitate mowing the horizontal lawn, thereby preventing uneven mowing, ensuring the beauty of the lawn, and facilitating adjustment according to the mowing height, thereby expanding the scope of use of the device.

The protective cover 2 is internally slidably connected with a limiting rod 9, and a return spring 10 is movably sleeved on the surface of the limiting rod 9. The two ends of the return spring 10 are respectively fixedly connected to the bottom of the limiting rod 9 and the top of the protective cover 2. A second scraper 15 is fixedly installed at the bottom of the limiting rod 9, and the second scraper 15 contacts the inner wall of the protective cover 2. A rotating shaft 16 is rotatably connected to the second scraper 15, and a fixed wheel 17 is fixedly installed at one end of the rotating shaft 16. A first scraper 13 is fixedly installed on the output end of the drive motor 1, and the first scraper 13 contacts the bottom of the protective cover 2. A push block 14 is fixedly installed on one end of the first scraper 13, and the shape of the push block 14 is triangular.

When the driving motor 1 rotates, the driving motor 1 will drive the first scraper 13 to rotate, and then the first scraper 13 will clean the bottom of the protective cover 2. At the same time, when the first scraper 13 rotates, it will drive the pushing block 14 to rotate. When the pushing block 14 contacts the fixed wheel 17, the pushing block 14 will squeeze the fixed wheel 17, and then the second scraper 15 and the rotating shaft 16 will move, so that the limiting rod 9 slides inside the protective cover 2 and squeezes the reset spring 10. When the pushing block 14 no longer squeezes the fixed wheel 17, the second scraper 15 will be reset by the elastic force of the reset spring 10, and then the second scraper 15 will clean the side wall of the protective cover 2, which is convenient for cleaning the side wall of the protective cover 2, and convenient for cleaning the protective cover 2, preventing weeds from accumulating at the bottom of the protective cover 2, and improving the beauty of the bottom of the protective cover 2.

Working principle:

The threaded rod 3 is rotated to move the lifting frame 4 downward, and the lifting frame 4 drives the four sliding rods 5 to slide inside the four connecting pieces 6, thereby reducing the distance between the lifting frame 4 and the protective cover 2, thereby raising the protective cover 2 and the blade 12, and raising the distance between the blade 12 and the ground, so as to facilitate mowing the horizontal lawn.

When the driving motor 1 rotates, the driving motor 1 will drive the first scraper 13 to rotate, and then the first scraper 13 will clean the bottom of the protective cover 2. At the same time, when the first scraper 13 rotates, it will drive the pushing block 14 to rotate. When the pushing block 14 contacts the fixed wheel 17, the pushing block 14 will squeeze the fixed wheel 17, and then the second scraper 15 and the rotating shaft 16 will move, so that the limiting rod 9 slides inside the protective cover 2 and squeezes the reset spring 10. When the pushing block 14 no longer squeezes the fixed wheel 17, the second scraper 15 will be reset by the elastic force of the reset spring 10, and then the second scraper 15 will clean the side wall of the protective cover 2.

The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims (8)

1. The utility model provides a hand-held mower device, includes driving motor (1), and the output of driving motor (1) rotates and runs through protection casing (2) and extend to the bottom of protection casing (2), and the output fixed mounting of driving motor (1) has disc (11), and the inside fixed mounting of disc (11) has blade (12), its characterized in that: be provided with protection casing (2) on driving motor (1), the fixed surface of protection casing (2) installs four connection piece (6), and the inside of four connection pieces (6) is equal sliding connection has slide bar (5), and the upper end fixed mounting of four slide bar (5) has crane (4), and the inside threaded connection of crane (4) has threaded rod (3), and the lower extreme of threaded rod (3) is rotated with the top of protection casing (2) and is connected.

2. A hand-held mower device according to claim 1, wherein: and the surfaces of the lower ends of the four sliding rods (5) are fixedly sleeved with limiting plates (7), and universal wheels (8) are arranged at the bottoms of the limiting plates (7).

3. A hand-held mower device according to claim 2, wherein: the inside sliding connection of protection casing (2) has restriction pole (9), and the activity has cup jointed reset spring (10) on the surface of restriction pole (9), and reset spring (10) both ends are fixed connection with the bottom of restriction pole (9) and the top of protection casing (2) respectively.

4. A hand-held mower device according to claim 3, wherein: the bottom of the limiting rod (9) is fixedly provided with a second scraping plate (15), and the second scraping plate (15) is in contact with the inner wall of the protective cover (2).

5. A hand-held mower device according to claim 4, wherein: the second scraping plate (15) is rotatably connected with a rotating shaft (16), and one end of the rotating shaft (16) is fixedly provided with a fixed wheel (17).

6. A hand-held mower device according to claim 5, wherein: the output end of the driving motor (1) is fixedly provided with a first scraping plate (13), and the first scraping plate (13) is contacted with the bottom of the protective cover (2).

7. A hand-held mower device according to claim 6, wherein: one end of the first scraping plate (13) is fixedly provided with a pushing block (14).

8. A hand-held mower device according to claim 7, wherein: the pushing block (14) is triangular in shape.