Efficient noise reduction type mower

Abstract

The utility model belongs to the technical field of mowers, and particularly relates to an efficient noise reduction type mowing machine which comprises a movable chassis and a mowing machine body, a lifting push rod is installed in the movable chassis, a lifting seat is fixed to the output end of the lifting push rod, a movable seat is movably installed above the lifting seat, and the mowing machine body is fixed to the movable seat. A servo motor is mounted in the middle of the moving seat through a bolt, and a mower body is fixed to the driving end of the servo motor; a connecting rod is fixedly connected to one end of the mower body, a cutting head is fixed to one end of the connecting rod, the connecting rod is sleeved with a movable end, a protective cover is fixed to the lower portion of the movable end, and a connecting cover is movably connected to the lower portion of the protective cover; the cutting head is driven by the servo motor to rotate, the single-point operation coverage range can be effectively expanded, the manual adjustment frequency is remarkably reduced, and the influence of noise in the operation process on the external environment is effectively reduced by combining the protective cover with the sound insulation cotton layer.

Description

A high-efficiency noise-reducing lawnmower Technical Field

[0001] This utility model belongs to the field of lawnmower technology, specifically relating to a high-efficiency noise-reducing lawnmower. Background Technology

[0002] Developing agricultural mechanization, improving work efficiency, and increasing agricultural production efficiency are of paramount importance in a large agricultural country like ours. Lawn mowers, as a crucial tool in agricultural production, have a direct impact on crop yields. Also known as lawn mowers, lawn trimmers, or lawn trimmers, they are mechanical tools used for trimming lawns, vegetation, and other vegetation.

[0003] Chinese patent CN221127964U discloses a lawnmower, including a trolley. A push rod motor is fixedly installed on one side of the top of the trolley, a sleeve rod is placed on top of the push rod motor, and a support plate is placed on one side of the sleeve rod. The top of the drive shaft of the push rod motor is fixedly installed at the inner ring of a bearing, and a support platform is fixedly connected to the outer ring of the bearing. A rod groove is opened in the middle of the support platform. This utility model, by setting a limit rod, bearing, and slide rail, allows the lawnmower to be used in a manner that, if cutting conditions permit, allows the limit rod to be inserted into the rod groove, causing the iron block to be attracted and positioned by an electromagnet. This supports and limits the cutting mechanism on the support platform. The cooperation of the slide rail and the slider enables the translation of the cutting end, the bearing enables the rotation of the cutting end, and the push rod motor enables the lifting and lowering adjustment of the cutting end. Combined with the trolley, the lawnmower is moved, eliminating the need for hand-held operation and reducing the burden of mowing.

[0004] Although the aforementioned lawnmowers allow for adjustable cutting head height via a push rod motor and can be moved using a trolley, eliminating the need for handheld operation and reducing the workload, manual angle adjustment is still required during mowing to effectively cut the surrounding lawn. This is laborious, resulting in low cutting efficiency and inconvenient operation. Furthermore, the noise pollution generated during operation is significant. The high-speed rotating cutting head rubbing against the grass stems and mechanical vibrations cause high-decibel noise, severely impacting the operator and the surrounding environment. Therefore, we propose a high-efficiency, noise-reducing lawnmower. Summary of the Invention

[0005] To address the problems mentioned in the background section, this invention provides a high-efficiency, noise-reducing lawnmower.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency noise-reducing lawnmower, comprising a mobile chassis and a lawnmower body, wherein a lifting push rod is installed inside the mobile chassis, a lifting seat is fixed to the output end of the lifting push rod, a movable seat is movably installed above the lifting seat, a servo motor is installed in the middle of the movable seat by a bolt, and the lawnmower body is fixed to the drive end of the servo motor.

[0007] A connecting rod is fixedly connected to one end of the lawnmower body, a cutting head is fixed to one end of the connecting rod, a movable end is sleeved on the outside of the connecting rod, a protective cover is fixed below the movable end, and a connecting cover is movably connected below the protective cover.

[0008] As a preferred embodiment of the high-efficiency noise-reducing lawnmower of this utility model, the lifting push rod and the lifting seat form a telescopic structure.

[0009] In a preferred embodiment of this utility model of a high-efficiency noise-reducing lawnmower, the movable end is movably connected to the connecting rod, and the connecting cover and the protective cover are stretched together.

[0010] As a preferred embodiment of this utility model of a high-efficiency noise-reducing lawnmower, the inner wall of the protective cover is bonded with a layer of sound-insulating cotton, and the protective cover and the cutting head form a semi-enclosed structure.

[0011] As a preferred embodiment of the high-efficiency noise-reducing lawnmower of this utility model, the servo motor and the lawnmower body form a rotating structure.

[0012] As a preferred embodiment of this utility model of a high-efficiency noise-reducing lawnmower, a nut block is fixed on one side below the movable seat, a threaded screw is inserted inside the nut block, and a transmission motor is fixed to one end of the threaded screw.

[0013] Compared with the prior art, the beneficial effects of this utility model are: by driving the cutting head to rotate by a servo motor, the coverage of single-point operation can be effectively expanded, the frequency of manual adjustment can be significantly reduced, and the problem of low cutting efficiency and inconvenient operation caused by the need to manually adjust the angle during the lawn mowing process to mow the surrounding lawn is prevented.

[0014] This application effectively reduces the impact of noise during operation on the external environment by combining a protective cover with a sound-insulating cotton layer. It prevents the prominent noise pollution problem caused by the lawnmower during operation. High-speed rotating cutting heads rubbing against grass stems and mechanical vibrations can generate high-decibel noise, seriously affecting the operator and the surrounding environment. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 is an enlarged structural schematic diagram of point A in Figure 1 of this utility model;

[0018] Figure 3 is a schematic diagram of the external structure of this utility model;

[0019] Figure 4 is a structural schematic diagram of the main body of the lawnmower of this utility model.

[0020] In the diagram: 1. Mobile chassis; 2. Lifting seat; 3. Lifting push rod; 4. Mobile seat; 5. Servo motor; 6. Lawn mower body; 7. Connecting rod; 8. Cutting head; 9. Nut block; 10. Threaded screw; 11. Transmission motor; 12. Movable end; 13. Protective cover; 14. Sound insulation cotton layer; 15. Connecting cover. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] As shown in Figures 1-4;

[0024] A high-efficiency noise-reducing lawnmower includes a mobile chassis 1 and a lawnmower body 6. A lifting push rod 3 is installed inside the mobile chassis 1. A lifting seat 2 is fixed to the output end of the lifting push rod 3. A movable seat 4 is movably installed above the lifting seat 2. A servo motor 5 is bolted in the middle of the movable seat 4. The driving end of the servo motor 5 is fixed to the lawnmower body 6. A connecting rod 7 is fixedly connected to one end of the lawnmower body 6. A cutting head 8 is fixed to one end of the connecting rod 7. A movable end 12 is sleeved on the outside of the connecting rod 7. A protective cover 13 is fixed below the movable end 12. A connecting cover 15 is movably connected to the bottom of the protective cover 13.

[0025] In this implementation scheme: the servo motor 5 drives the cutting head 8 to rotate 180°, which can effectively expand the coverage of single-point operation and significantly reduce the frequency of manual adjustment. The protective cover 13 combined with the sound insulation cotton layer 14 effectively reduces the impact of noise on the external environment during operation.

[0026] Furthermore:

[0027] In an optional embodiment, the lifting push rod 3 and the lifting seat 2 form a telescopic structure.

[0028] In this implementation plan: the lifting push rod 3 precisely controls the height of the cutting head 8 off the ground to adapt to differences in grass layer thickness.

[0029] Furthermore:

[0030] In an optional embodiment, the movable end 12 is movably connected to the connecting rod 7 and the connecting cover 15.

[0031] In this implementation scheme: the movable end 12 is connected to the sliding rod 7, so that the protective cover 13 can adaptively extend and retract with the terrain undulations, reducing the rate of grass shavings.

[0032] Furthermore:

[0033] In an optional embodiment, the inner wall of the protective cover 13 is bonded with a sound-insulating cotton layer 14, and the protective cover 13 and the cutting head 8 form a semi-enclosed structure.

[0034] In this implementation scheme: the connecting cover 15 hangs down under gravity and fits against the grass surface, forming a semi-enclosed noise reduction cavity, which is convenient for absorbing high-frequency noise.

[0035] Furthermore:

[0036] In an optional embodiment, the servo motor 5 and the lawnmower body 6 form a rotating structure.

[0037] In this implementation plan: servo motor 5 controls the rotation of cutting head 8 to realize fan-shaped mowing path planning, increasing the coverage area of ​​a single operation.

[0038] Furthermore:

[0039] In an optional embodiment, a nut block 9 is fixed to one side below the movable seat 4, and a threaded screw 10 is inserted inside the nut block 9. A transmission motor 11 is fixed to one end of the threaded screw 10.

[0040] In this implementation scheme, the precise meshing transmission between the threaded screw 10 and the nut block 9 enables horizontal displacement, which helps to reduce the number of times the equipment needs to be moved.

[0041] Working principle: First, move the device to the desired position. Then, adjust the height of the cutting head 8 from the ground according to the required mowing height. Activate the lifting push rod 3, which drives the lifting seat 2 to move vertically until the cutting head 8 is adjusted to the desired position. Next, start the lawnmower body 6. The lawnmower body 6 works in conjunction with the cutting head 8. The lawnmower body 6 is the drive part of the lawnmower. The entire lawnmower is a product of existing technology, powered by a gasoline engine or electric motor. The energy is transmitted to the cutting components through the transmission system. The cutting components rotate at high speed under the drive of the engine, generating sufficient cutting force to cut the weed stems, thus enabling mowing. Then, during the mowing process, start the servo motor 5, which drives... The lawnmower body 6 rotates 180° to mow the surrounding lawn. At the same time, the protective cover 13 and the sound insulation cotton layer 14 bonded to its inner wall surround the cutting head 8, absorbing the high-frequency noise generated by the friction between the blades and the grass stems. The connecting cover 15 hangs down naturally due to gravity, allowing for better contact with the grass surface, thus reducing the space for noise to escape. Finally, the transmission motor 11 is started, driving the threaded screw 10 to rotate and mesh with the nut block 9, pushing the moving seat 4 to move horizontally. This allows for precise adjustment of the horizontal working range of the cutting head 8 until the lawn in this area is mowed. Then, the moving chassis 1 is pushed to move the device to the next position, greatly reducing the burden of manual assistance.

[0042] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high-efficiency noise-reducing lawnmower, comprising a mobile chassis (1) and a lawnmower body (6), characterized in that: The mobile chassis (1) is equipped with a lifting push rod (3), and the output end of the lifting push rod (3) is fixed with a lifting seat (2). A movable seat (4) is movably installed above the lifting seat (2). A servo motor (5) is installed in the middle of the movable seat (4). The driving end of the servo motor (5) is fixed with a lawnmower body (6). A connecting rod (7) is fixedly connected to one end of the lawnmower body (6). A cutting head (8) is fixed to one end of the connecting rod (7). A movable end (12) is sleeved on the outside of the connecting rod (7). A protective cover (13) is fixed below the movable end (12). A connecting cover (15) is movably connected below the protective cover (13).

2. The high-efficiency noise-reducing lawnmower according to claim 1, characterized in that: The lifting push rod (3) and the lifting seat (2) form a telescopic structure.

3. The high-efficiency noise-reducing lawnmower according to claim 1, characterized in that: The movable end (12) is movably connected to the connecting rod (7), and the connecting cover (15) and the protective cover (13) are stretched together.

4. The high-efficiency noise-reducing lawnmower according to claim 1, characterized in that: The inner wall of the protective cover (13) is bonded with a sound insulation cotton layer (14), and the protective cover (13) and the cutting head (8) form a semi-enclosed structure.

5. A high-efficiency noise-reducing lawnmower according to claim 1, characterized in that: The servo motor (5) and the lawnmower body (6) form a rotating structure.

6. The high-efficiency noise-reducing lawnmower according to claim 1, characterized in that: A nut block (9) is fixed on one side below the movable seat (4), and a threaded screw (10) is inserted inside the nut block (9). A transmission motor (11) is fixed at one end of the threaded screw (10).

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