A mowing robot cutterhead protection structure

Abstract

The utility model discloses a mower robot cutter head protection structure, including protection cover base, cutter head cover and cutter head, and the cutter head is equipped with cutting blade. Protection cover base is screwed in the lower extreme of motor assembly, and the cutter head cover is screwed in protection cover base, and the protection space of covering cutter head is formed, and the motor output end is connected with cutter head. The front end of cutter head cover has the grass inlet, and the rear end has the grass outlet, and the guide groove is formed along the direction of travel and is equipped with the partition strip, and the grass inlet and the grass outlet are respectively located at both ends of the guide groove, and the partition strip front end has the grass tooth. The structure realizes the covering protection through the threaded connection, and the cutting blade is isolated to prevent the mistaken injury, and the guide groove and the grass tooth guide the forage, and the grass inlet and the grass outlet guarantee the efficient cutting and the directional chip removal, and the metal base and the plastic cover combine the strength and the light weight, and are convenient to dismount and maintain.

Description

Technical Field

[0001] This utility model relates to the field of lawn mowing equipment technology, specifically to a protective structure for the blade disc of a lawn mowing robot. Background Technology

[0002] As an automated lawn mowing robot, it cuts grass by rotating a high-speed blade head driven by a motor. The blade head and blades are the core working components of the lawn mowing robot. During its high-speed rotation, it not only needs to complete the cutting operation efficiently, but also needs to avoid safety risks caused by accidental contact with humans or pets, while preventing the flying of grass clippings, gravel, and other foreign objects that could damage the equipment or cause environmental pollution. Therefore, the blade head protective cover, as a key structure to ensure the safe operation of the equipment, requires a low-cost and effective structural solution. Utility Model Content

[0003] Purpose of the utility model: In order to overcome the above shortcomings, the purpose of this utility model is to provide a protective structure for the blade disc of a lawnmower robot. The protective cover base and the blade disc cover are threaded together to form a protective structure space that completely covers the blade disc. With the design of the grass inlet at the front end and the grass outlet at the rear end, and combined with the guide groove and grass slugging teeth to guide the flow of grass, it can achieve an integrated safety protection function of efficient cutting, preventing blade injury, directional chip removal and blocking of splashes. At the same time, the combination of metal base and plastic cover takes into account both structural strength and lightweight requirements.

[0004] Technical Solution: This utility model provides a protective structure for the blade disc of a lawnmower robot, including a protective cover base, a blade disc cover, and a blade disc disposed between the two. The blade disc is equipped with cutting blades. The protective cover base is threadedly connected to the lower end of the motor assembly of the lawnmower robot, and the blade disc cover is threadedly connected to the protective cover base, together forming a protective structural space covering the blade disc. The blade disc is connected to the output end of the motor assembly. The front end of the blade disc cover has multiple grass inlets for guiding grass into the protective structural space for cutting, and the rear end has multiple grass discharge outlets for discharging grass clippings after cutting. The protective cover base and the cutter head cover are connected by threads to form a closed protective space that completely encloses the high-speed rotating cutter head and cutting blades, providing physical isolation and protection. The protective cover base and motor assembly, as well as the cutter head cover and protective cover base, are all connected by threads, facilitating quick installation, disassembly, and subsequent maintenance, such as blade replacement and component cleaning. Multiple grass inlets at the front of the cutter head cover can accurately guide grass into the protective structure space, while multiple grass discharge outlets at the rear can promptly discharge the cut grass chips, ensuring a continuous cutting process.

[0005] Furthermore, in the blade guard structure of this application, the blade guard is provided with multiple partitions along the direction of travel of the lawnmower, and a guide groove is formed between two adjacent partitions. The grass inlet is located at the front end of the guide groove, and the grass outlet is located at the rear end of the guide groove. The multiple partitions provided along the direction of travel of the blade guard form independent guide grooves. The grass inlet is located at the front end of the guide groove, which can restrict the grass entering into a specific guide groove, realize the directional delivery of grass, and avoid grass from different areas interfering with each other and accumulating. The grass outlet at the rear end of the guide groove forms a corresponding channel with the grass inlet at the front end. In conjunction with the direction of travel of the lawnmower, the airflow flows directionally along the guide groove, and the cut grass clippings are accurately discharged from the grass outlet, reducing the turbulence of grass clippings in the protected space.

[0006] Furthermore, in the blade protection structure of the lawnmower robot of this application, the front end of the separator is provided with grass-slugging teeth, which are blade-shaped and used to guide the grass into the grass inlet. The blade-shaped grass-slugging teeth can perform preliminary separation and cutting of coarser or tangled grass during the grass-guiding process, reducing the possibility of large pieces or clumps of grass directly entering the grass inlet and causing blockage.

[0007] Furthermore, this application discloses a protective structure for the blade disc of a lawnmower robot. The blade disc is circular, with its center connected to the output end of a motor assembly. A plurality of blade arrays are mounted on the outer edge of the blade disc, with the cutting edges of the blades extending beyond the outer edge of the blade disc. The arrangement of the blade arrays on the outer edge of the blade disc, combined with the rotational characteristics of the circular blade disc, creates a 360° cutting range without blind spots, ensuring complete coverage and cutting of the grass along the robot's path during movement and preventing any missed areas.

[0008] Furthermore, in this application, a blade guard protection structure for a lawnmower robot includes a base made of metal. As the fundamental component of the blade guard protection structure, the metal base can stably support the blade guard and internal components such as the blade and blades. Simultaneously, it is reliably fixed to the lower end of the lawnmower robot's motor assembly via threaded connections, providing a solid mounting foundation for the entire protection structure.

[0009] Furthermore, in this application, a blade guard structure for a lawnmower robot is provided, wherein the blade guard is made of plastic. Plastic has a low density and is lightweight, significantly reducing the overall weight of the blade guard structure and decreasing the operating load on the lawnmower robot. Since plastic is less hard than metal, when the lawnmower robot accidentally collides with hard objects (such as stones or fences), the blade guard can cushion the impact through deformation, reducing the reaction force on metal components such as the guard base and motor assembly, thus protecting the core components.

[0010] Furthermore, in the blade protection structure of the lawnmower robot in this application, when the motor assembly is working, the motor in the motor assembly drives the blade to rotate, and the blade drives the blade to rotate to perform cutting operations, while the protective cover base and the blade cover remain relatively stationary.

[0011] As can be seen from the above technical solution, this utility model has the following beneficial effects:

[0012] 1. The blade protection structure of the lawnmower robot described in this utility model forms a protective space that completely covers the blade by connecting the protective cover base and the blade cover with a threaded connection. This can completely isolate the high-speed rotating blade and cutting blade, effectively preventing safety risks caused by accidental contact with humans, pets, etc. At the same time, it blocks the splashing of grass clippings, gravel, and other foreign objects generated during cutting, avoiding equipment damage and environmental pollution, and achieving a reliable safety protection function.

[0013] 2. The blade protection structure of the lawnmower robot described in this utility model combines the design of guide grooves and grass-clearing teeth. The guide grooves can guide the flow of grass in a specific direction to avoid interference between grass in different areas. The grass-clearing teeth can perform preliminary processing on coarse or tangled grass to reduce blockage. At the same time, the cooperation between the front grass inlet and the rear grass outlet ensures efficient entry of grass into the cutting process and timely discharge of grass clippings, thereby improving cutting efficiency. Furthermore, the combination of the metal base and the plastic protective cover takes into account both structural strength and lightweight requirements, and the threaded connection method facilitates installation, disassembly, and maintenance. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the blade protection structure of a lawnmower robot installed on the lawnmower robot according to the present invention;

[0015] Figure 2 This is an explosion-proof schematic diagram of the blade protection structure of a lawnmower robot according to this utility model.

[0016] Explanation of reference numerals in the instruction manual:

[0017] 1- Protective cover base;

[0018] 2-Cutter head cover, 21-Grass inlet, 22-Grass outlet, 23-Separator strip, 231-Grass slack teeth, 24-Guide groove;

[0019] 3-Cutter head, 4-Cutting blade;

[0020] 5-Motor assembly;

[0021] 6- Protective structural space. Detailed Implementation

[0022] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1

[0024] like Figure 1 , Figure 2 The illustrated lawnmower robot blade protection structure includes a protective cover base 1, a blade cover 2, and a blade 3 disposed between the two. The blade 3 is equipped with cutting blades 4. The protective cover base 1 is made of metal and is threadedly fixed to the lower end of the lawnmower robot's motor assembly 5, providing stable support for the entire protective structure. The blade cover 2 is made of plastic and is also threadedly installed on the protective cover base 1. Together, they form a protective structural space 6 that encloses the blade 3, completely sealing the high-speed rotating blade 3 and cutting blades 4 within.

[0025] The cutter head 3 is circular, with its center connected to the output of the motor assembly 5. Multiple cutting blades 4 are arrayed on the outer edge of the cutter head 3, with their cutting edges extending beyond the outer edge to ensure a 360° cutting range without blind spots when the motor assembly 5 drives the cutter head 3 to rotate. During operation, the cutter head 3 and cutting blades 4 rotate at high speed for cutting, while the protective cover base 1 and the cutter head cover 2 remain relatively stationary to avoid interference with the rotating components.

[0026] The blade guard 2 has multiple dividing strips 23 along the direction of travel of the mowing robot, and guide grooves 24 are formed between adjacent dividing strips 23. The front end of the guide groove 24 has a grass inlet 21 and the rear end has a grass outlet 22. Grass can enter the protective structure space 6 from the grass inlet 21 along the guide groove 24. After being cut by the cutting blade 4, the grass clippings are discharged from the grass outlet 22. The front end of the dividing strips 23 is also provided with blade-shaped grass-splitting teeth 231. During the movement of the mowing robot, the grass-splitting teeth 231 can initially separate and cut coarser or tangled grass, reducing the probability of blockage when grass directly enters the grass inlet 21.

[0027] In this structure, the metal protective cover base 1 ensures the overall structural strength, while the plastic cutter head cover 2 achieves a lightweight design and can cushion impact through deformation during collisions. Meanwhile, the threaded connections between the protective cover base 1 and the motor assembly 5, and between the cutter head cover 2 and the protective cover base 1, make the entire protective structure easy to disassemble and assemble, facilitating subsequent replacement of the cutting blade 4 and cleaning and maintenance of the components.

[0028] The above embodiments are exemplary and are intended to illustrate the technical concept and features of this utility model, so that those skilled in the art can understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A protective structure for the blade disc of a lawnmower robot, characterized in that: include: The protective cover base (1), the cutter head cover (2), and the cutter head (3) disposed between the two are provided. The cutter head (3) is provided with cutting blades (4). The protective cover base (1) is threaded to the lower end of the motor assembly (5) of the mowing robot. The cutter head cover (2) is threaded to the protective cover base (1), together forming a protective structure space (6) covering the cutter head (3). The cutter head (3) is connected to the output end of the motor assembly (5). The front end of the cutter head cover (2) is provided with multiple grass inlets (21) to guide grass into the protective structure space (6) for cutting. The rear end is provided with multiple grass discharge outlets (22) for grass chips to be discharged after cutting.

2. The blade protection structure for a lawnmower robot according to claim 1, characterized in that, The blade guard (2) has multiple dividing strips (23) along the direction of travel of the mowing robot. A guide groove (24) is formed between two adjacent dividing strips (23). The grass inlet (21) is located at the front end of the guide groove (24), and the grass outlet (22) is located at the rear end of the guide groove (24).

3. The blade protection structure for a lawnmower robot according to claim 2, characterized in that, The front end of the separator (23) is provided with grass-sparse teeth (231), which are blade-shaped and used to guide grass into the grass inlet (21).

4. The blade protection structure for a lawnmower robot according to claim 1, characterized in that, The cutter head (3) is circular, and its center is driven to the output end of the motor assembly (5). A plurality of blades (4) are arrayed on the outer edge of the cutter head (3), and the cutting edge of the blades (4) extends out of the outer edge of the cutter head (3).

5. The blade protection structure for a lawnmower robot according to claim 1, characterized in that, The protective cover base (1) is made of metal.

6. The blade protection structure for a lawnmower robot according to claim 1, characterized in that, The cutter head cover (2) is made of plastic.

7. The blade protection structure for a lawnmower robot according to claim 1, characterized in that, When the motor assembly (5) is working, the motor in the motor assembly (5) drives the cutter head (3) to rotate, and the cutter head (3) drives the blade (4) to rotate to perform cutting operations. The protective cover base (1) and the cutter head cover (2) remain relatively stationary.

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