A noise-reducing lawnmower
By introducing a combing plate and a limiting rod structure into the lawnmower, the problem of weeds tangling with the transmission rod was solved, achieving efficient mowing and extending the equipment's lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU ZONGHUA AGRI MASCH CO LTD
- Filing Date
- 2025-07-17
- Publication Date
- 2026-06-23
Smart Images

Figure CN224386230U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lawnmower technology, and in particular to a lawnmower with noise reduction capability. Background Technology
[0002] Noise-reducing lawnmowers significantly reduce operating noise through multiple noise reduction technologies. They feature a composite sound-insulating shell with built-in sound-absorbing materials that effectively absorb high-frequency engine noise. The optimized low-noise blade system reduces airflow whistling through aerodynamic design, and the equipped hydraulic shock absorber reduces mechanical vibration noise. Meanwhile, the intelligent speed adjustment function automatically enters silent mode when approaching residential areas. The noise level of the entire machine is controlled below 65 decibels, which is about 40% lower than that of traditional lawnmowers. This ensures effective mowing without disturbing the lives of nearby residents, making it particularly suitable for lawn maintenance in noise-sensitive areas such as communities and schools.
[0003] Existing noise-reducing lawnmowers still have some problems during use. For example, due to the excessive length of the weeds, they easily become entangled on the surface of the drive rod during mowing. This not only reduces mowing efficiency but also accelerates the wear and tear on the drive rod surface due to the continuous friction between the weeds and the drive rod, thus significantly shortening the service life of the equipment.
[0004] To address these issues, we offer a noise-reducing lawnmower. Utility Model Content
[0005] The technical problem to be solved by this utility model is that the existing technology has the disadvantage of being unable to prevent weeds from getting tangled on the surface of the transmission rod, which not only reduces the mowing efficiency but also causes damage to the equipment. Therefore, we propose a noise-reducing lawnmower.
[0006] To achieve the above objectives, this application adopts the following technical solution: a noise-reducing lawnmower, comprising a noise-reducing lawnmower body, an engine body fixedly connected to the top of the noise-reducing lawnmower body, a transmission rod fixedly connected to the output end of the engine body, the bottom of the transmission rod extending to the bottom of the noise-reducing lawnmower body, a cutting blade fixedly connected to the bottom of the transmission rod, an installation plate provided inside the noise-reducing lawnmower body, a first cutting blade fixedly connected to both sides of the bottom of the installation plate, a second cutting blade fixedly connected to the bottom of the surface of the transmission rod, a vertical plate fixedly connected to one side of the noise-reducing lawnmower body, a housing fixedly connected to one side of the vertical plate, a rotating rod rotatably connected to one side of the vertical plate, movable plates fixedly connected to both sides of the surface of the rotating rod, a combing plate fixedly connected to the bottom of the movable plates, one end of the rotating rod extending into the inside of the housing, a circular plate fixedly connected to the surface of the rotating rod, and a limit rod slidably connected inside the housing.
[0007] Preferably, the noise-reducing lawnmower body has a through groove inside, and the two sides of the mounting plate are fixedly connected to one side of the inner wall of the through groove.
[0008] Preferably, a limiting groove is formed inside the circular plate, and a limiting rod is slidably connected inside the limiting groove.
[0009] Preferably, a limiting frame is fixedly connected to the top of the outer casing, which is used to limit the limiting rod.
[0010] Preferably, a toggle plate is fixedly connected to the top of the limiting rod, and a tension spring is sleeved on the top of the surface of the limiting rod. The top and bottom of the tension spring are fixedly connected to the bottom of the toggle plate and the top of the limiting frame, respectively.
[0011] Preferably, a sliding groove is provided on the top of the outer casing, and the limiting rod is slidably connected inside the sliding groove.
[0012] Preferably, a push handle is fixedly connected to one side of the noise-reducing lawnmower body, and the push handle is used to move the noise-reducing lawnmower body.
[0013] The technical effects and advantages of this utility model are as follows:
[0014] 1. This utility model, through the setting of the combing plate, can automatically guide weeds to the cutting area during the mowing process, while reducing the contact between weeds and the transmission rod, and preventing weeds from getting tangled on the surface of the transmission rod. Furthermore, through the setting of the limiting rod and the circular plate, it is ensured that the movable plate always maintains the optimal working angle, and can stably perform the anti-tangling function even when operating in complex terrain, which greatly reduces the frequency of equipment maintenance and operating costs.
[0015] 2. The present invention, through the setting of the first cutting blade and the second cutting blade, can prevent weeds from getting tangled on the surface of the transmission rod. Through the setting of the rotating rod, the use angle of the combing plate can be adjusted, so that the combing plate can adapt to grass clumps of different heights, ensuring that it always maintains the best contact position with the grass stems and effectively guides the weeds into the cutting area. Attached Figure Description
[0016] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:
[0017] Figure 1 A 3D view of a noise-reducing lawnmower.
[0018] Figure 2 An exploded view of the blades in a noise-reducing lawnmower.
[0019] Figure 3 An exploded view of the first and second cutting blades in a noise-reducing lawnmower.
[0020] Figure 4This is a schematic diagram of the combing plate in a noise-reducing lawnmower.
[0021] Figure 5 An exploded view of the outer casing of a noise-reducing lawnmower.
[0022] Legend: 1. Noise-reducing lawnmower body; 2. Engine body; 3. Drive rod; 4. Mowing blade; 5. Mounting plate; 6. First cutting blade; 7. Second cutting blade; 8. Vertical plate; 9. Outer shell; 10. Rotating rod; 11. Movable plate; 12. Combing plate; 13. Circular plate; 14. Limiting rod; 15. Through groove; 16. Limiting groove; 17. Limiting frame; 18. Actuating plate; 19. Tension spring. Detailed Implementation
[0023] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.
[0024] Example 1
[0025] Please see Figures 1-5This utility model relates to a noise-reducing lawnmower, comprising a noise-reducing lawnmower body 1, an engine body 2 fixedly connected to the top of the noise-reducing lawnmower body 1, a transmission rod 3 fixedly connected to the output end of the engine body 2, the bottom of the transmission rod 3 extending to the bottom of the noise-reducing lawnmower body 1, and the bottom surface of the transmission rod 3 rotatably connected to the inside of the mounting plate 5 via a rotating shaft, with a cutting blade 4 fixedly connected to the bottom of the transmission rod 3, capable of cutting weeds; the mounting plate 5 is provided inside the noise-reducing lawnmower body 1, with first cutting blades 6 fixedly connected to both sides of the bottom of the mounting plate 5, and a second cutting blade 7 fixedly connected to the bottom surface of the transmission rod 3, the first cutting blades 6 and the second cutting blades 7 preventing weeds from tangling on the surface of the transmission rod 3; a vertical plate 8 fixedly connected to one side of the noise-reducing lawnmower body 1, and a shell fixedly connected to one side of the vertical plate 8. 9. The vertical plate 8 can fix the outer shell 9 and the rotating rod 10. The rotating rod 10 is rotatably connected to one side of the vertical plate 8. A rotating handle is fixedly connected to one end of the rotating rod 10. The rotating handle can drive the rotating rod 10 to rotate, thereby adjusting the angle of the combing plate 12. One end of the rotating rod 10 is rotatably connected to one side of the vertical plate 8 through a rotating shaft. One side of its surface is rotatably connected to the interior of the vertical plate 8 and the outer shell 9 through a rotating shaft. Movable plates 11 are fixedly connected to both sides of the surface of the rotating rod 10. A combing plate 12 is fixedly connected to the bottom of the movable plate 11. The combing plate 12 can comb the weeds, prevent the weeds from piling up or tangling during the mowing process, and guide the weeds to the cutting area, thereby improving the mowing efficiency. One end of the rotating rod 10 extends into the interior of the outer shell 9. A circular plate 13 is fixedly connected to the surface of the rotating rod 10. A limit rod 14 is slidably connected inside the outer shell 9.
[0026] Example 2
[0027] Please see Figures 1-5 Based on Embodiment 1, the noise-reducing lawnmower body 1 has a through groove 15 inside. The two sides of the mounting plate 5 are fixedly connected to one side of the inner wall of the through groove 15. The circular plate 13 has a limiting groove 16 inside. The limiting rod 14 is slidably connected inside the limiting groove 16. The limiting rod 14 and the limiting groove 16 can limit the rotation rod 10, ensuring that the rotation will not be affected by external factors after the operating angle is adjusted. The top of the outer shell 9 is fixedly connected to a limiting frame 17, which is used to limit the limiting rod 14. A toggle plate 18 is fixedly connected to the top of the limiting rod 14. A tension spring 19 is sleeved on the top of the surface of the limiting rod 14. The top and bottom of the tension spring 19 are fixedly connected to the bottom of the toggle plate 18 and the top of the limiting frame 17, respectively. The tension spring 19 can keep the limiting rod 14 inside the limiting groove 16 through its own elasticity. A sliding groove is opened on the top of the outer shell 9. The limiting rod 14 is slidably connected inside the sliding groove. A push handle is fixedly connected to one side of the noise reduction lawnmower body 1. The push handle is used to push the noise reduction lawnmower body 1 to move.
[0028] Working principle: When mowing is needed, the user starts the engine body 2 through the external controller. When the engine drives the transmission rod 3 to rotate, the transmission rod 3 drives the mowing blade 4 to rotate at high speed, thereby performing the mowing operation. Then, the user pushes the handle to move the noise-reducing mower body 1. During the forward movement of the noise-reducing mower body 1, the combing plate 12 will come into contact with the weeds, and then sort the weeds and guide them to the cutting area to facilitate the subsequent mowing work. When the weeds come into contact with the surface of the transmission rod 3, the transmission rod 3 will also drive the second cutting blade 7 to rotate. When the second cutting blade 7 overlaps with the first cutting blade 6, the weeds can be cut off, thereby reducing the situation where weeds are entangled on the surface of the transmission rod 3.
[0029] When the angle of the combing plate 12 needs to be adjusted, the user first pulls the actuating plate 18 upward. The actuating plate 18 moves the limiting rod 14 upward and also pulls the tension spring 19 to move the limiting rod 14 to the outside of the limiting groove 16, releasing the limiting of the circular plate 13. Then, the user rotates the handle to drive the rotating rod 10 to rotate. The rotating rod 10 drives the movable plate 11 to rotate, and the movable plate 11 drives the combing plate 12 to rotate. After the adjustment is completed, the user releases the actuating plate 18. The tension spring 19 will use its own elasticity to make the limiting rod 14 re-insert into the limiting groove 16, thereby limiting the rotating rod 10 and preventing it from rotating after the angle is adjusted, thus achieving the adjustment of the angle of the combing plate 12.
[0030] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.
Claims
1. A noise-reducing lawnmower, characterized in that, The device includes a noise-reducing lawnmower body. An engine body is fixedly connected to the top of the noise-reducing lawnmower body. A transmission rod is fixedly connected to the output end of the engine body. The bottom of the transmission rod extends to the bottom of the noise-reducing lawnmower body, and a cutting blade is fixedly connected to the bottom of the transmission rod. An installation plate is provided inside the noise-reducing lawnmower body. First cutting blades are fixedly connected to both sides of the bottom of the installation plate. A second cutting blade is fixedly connected to the bottom surface of the transmission rod. A vertical plate is fixedly connected to one side of the noise-reducing lawnmower body. A housing is fixedly connected to one side of the vertical plate. A rotating rod is rotatably connected to one side of the vertical plate. Movable plates are fixedly connected to both sides of the rotating rod. A combing plate is fixedly connected to the bottom of the movable plates. One end of the rotating rod extends into the housing. A circular plate is fixedly connected to the surface of the rotating rod. A limit rod is slidably connected inside the housing.
2. The noise-reducing lawnmower according to claim 1, characterized in that: The noise-reducing lawnmower body has a through groove inside, and the two sides of the mounting plate are respectively fixedly connected to one side of the inner wall of the through groove.
3. The noise-reducing lawnmower according to claim 1, characterized in that: A limiting groove is formed inside the circular plate, and the limiting rod is slidably connected inside the limiting groove.
4. The noise-reducing lawnmower according to claim 1, characterized in that: A limiting frame is fixedly connected to the top of the outer shell, which is used to limit the position of the limiting rod.
5. The noise-reducing lawnmower according to claim 1, characterized in that: A toggle plate is fixedly connected to the top of the limiting rod, and a tension spring is sleeved on the top surface of the limiting rod. The top and bottom of the tension spring are fixedly connected to the bottom of the toggle plate and the top of the limiting frame, respectively.
6. The noise-reducing lawnmower according to claim 1, characterized in that: The top of the outer casing has a sliding groove, and the limiting rod is slidably connected inside the sliding groove.
7. The noise-reducing lawnmower according to claim 1, characterized in that: A push handle is fixedly connected to one side of the noise-reducing lawnmower body, and the push handle is used to move the noise-reducing lawnmower body.