Obstacle avoidance type mower with cleaning function
By designing obstacle avoidance lawn mowers with adsorption, protection and guidance components, the problem of manual cleaning of grass clips after lawn mowers is solved, and an uninterrupted grass clipping cleaning and efficient cleaning process is achieved.
Patent Information
- Application Number
- CN202421942600.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-12
AI Technical Summary
After the existing lawn mower trims weeds, the grass clippings need to be manually cleaned or collected using other tools, which increases the intensity of manual labor.
An obstacle avoidance lawn mower with cleaning function is designed, including adsorption assembly, protective assembly and guide assembly. The adsorption assembly generates negative pressure through the vacuum cleaner, sucking the trimmed grass into the collection cylinder; the protective assembly blocks hard objects into the vacuum cleaner through the filter plate; the guide assembly realizes precise position adjustment of the protective assembly through the arcuate rail and the slide.
The pruned grass clippings can be cleaned without manual intervention, and the pruning operation is carried out simultaneously, which significantly reduces the workload of manual cleaning and improves the efficiency of cleaning work.
Smart Images

Figure CN222888260U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of lawn mowers, in particular to an obstacle avoidance lawn mower with a cleaning function. Background Art
[0002] A lawn mower is a gardening machine used to trim and maintain lawns, grass and other vegetation. Its main function is to cut the grass stems on the lawn with a high-speed rotating blade to keep the lawn flat, beautiful and healthy. The lawn mower can not only improve the efficiency of mowing and reduce the intensity of manual labor, but also adjust the mowing height according to needs to keep the lawn in the best growth state.
[0003] In the utility model with the Chinese patent authorization announcement number "CN220493612U", a new type of automatic obstacle avoidance cantilever three-axis mower is disclosed, which includes a main back plate, a main pull arm, a motor, a bracket, a main conveyor belt, an auxiliary conveyor belt, a central rotating mechanism, a first mowing mechanism, a second mowing mechanism and a third mowing mechanism; the central rotating mechanism includes a central shaft, a central disc, a bearing-type pulley, a central bearing and a central bearing seat; the first mowing mechanism, the second mowing mechanism and the third mowing mechanism all include a rotating shaft, a rotating shaft pulley, a disc, an auxiliary pull arm, a bearing, a bearing seat and a mowing blade. The three mowing mechanisms of the utility model work simultaneously, and the disc automatically rotates when encountering an obstacle, and cleans the weeds by fitting the root of the obstacle, solving the problem of dead angles; the three mowing mechanisms are all protected by film, and will not cause damage when encountering obstacles, solving the problem of the rotating rope end of the back-type mower causing damage to the root of the tree trunk.
[0004] With respect to the above-mentioned related technologies, the inventor believes that, in the above-mentioned utility model, the three groups of mowing mechanisms work simultaneously, which can solve the problem of blind spots and prevent damage to the roots of tree trunks, but the grass clippings after trimming the weeds still need to be manually cleaned or collected using other tools, which increases the intensity of manual labor.
[0005] Therefore, it is necessary to provide a new obstacle avoidance lawn mower with a cleaning function to solve the above-mentioned technical problems. Utility Model Content
[0006] In order to overcome the defects of the prior art, an obstacle avoidance lawn mower with a cleaning function is provided to solve the above-mentioned problems.
[0007] The utility model provides an obstacle-avoiding lawn mower with a cleaning function, comprising: a main pulling arm; a central rotating mechanism is installed on one side of the main pulling arm, and a plurality of mowing mechanisms are connected to the peripheral side of the bottom of the central rotating mechanism; wherein an adsorption assembly is arranged at the bottom of the main pulling arm, and the trimmed grass clippings can be adsorbed by the adsorption assembly; a protective assembly is arranged inside the adsorption assembly, and the adsorbed debris can be filtered by the protective assembly; a guide assembly is arranged on one side of the adsorption assembly, and the position of the protective assembly can be adjusted by the guide assembly; the adsorption assembly comprises a mounting plate connected to the bottom of the main pulling arm, and a collecting cylinder is installed at the bottom of the mounting plate, a vacuum cleaner is installed on one side of the collecting cylinder, an output end of the vacuum cleaner is connected to a bellows, and an end of the bellows away from the vacuum cleaner is connected to a dust box.
[0008] Preferably, the guide assembly includes an arc-shaped guide rail, and the arc-shaped guide rail is located below the main pulling arm. Both ends of the main pulling arm are connected to the central rotation mechanism through connecting rods. A support rod is connected to the center side of the top of the main pulling arm, and the top of the support rod is connected to the bottom of the main pulling arm.
[0009] Preferably, the guide assembly also includes a slide plate slidably connected to the bottom of the arc guide rail, limit plates are installed on both sides of the top of the slide plate, and the two limit plates are located at the top of the arc guide rail, a gap is reserved between the two limit plates, the bottoms of the two limit plates are rotatably connected to limit rollers, and the bottom of each limit roller is rotatably connected to the top of the slide plate.
[0010] Preferably, a driving roller is rotatably connected to the bottom of one of the limiting plates, and the driving roller is located between the two limiting rollers. The bottom of the driving roller is rotatably connected to the top of the skateboard, and a motor for driving the driving roller to rotate is installed at the bottom of one of the limiting plates.
[0011] Preferably, the driving roller and each limiting roller are in contact with the arcuate guide rail on one side thereof.
[0012] Preferably, the protective assembly includes two support frames connected to the top of the dust box, and the two support frames are arranged opposite to each other, the tops of the two support frames are connected to the bottom of the skateboard, a rotating rod is rotatably connected inside the dust box, and a plurality of hook rods are connected to the circumference of the rotating rod from top to bottom, the top of the rotating rod passes through the dust box and is connected to a driven gear, one side of the driven gear is meshed with a driving gear, the bottom of the driving gear is rotatably connected to the top of the dust box, the top of the driving gear is connected to a driving rod, the top of the driving rod passes through the skateboard and is connected to the bottom of the driving roller.
[0013] Preferably, the protection assembly further comprises two oppositely arranged guide plates, both of which are installed on one side of the dust collection box close to the bellows, and one side of the two guide plates is commonly connected to a filter plate.
[0014] Compared with the related art, the obstacle avoidance lawn mower with cleaning function provided by the utility model has the following beneficial effects:
[0015] The adsorption component of the utility model generates negative pressure through the vacuum cleaner, and the trimmed weeds are directly sucked into the collection tube. This process does not require manual intervention and can be carried out simultaneously with the trimming operation, thereby greatly reducing the workload of manual cleaning and significantly improving the efficiency of the cleaning work.
[0016] The protective component of the utility model can block these hard objects from entering the vacuum cleaner through the setting of the filter plate, thereby protecting the safety of the equipment. At the same time, the design of the hook rod can also bring out the hard objects on the filter plate, avoiding excessive accumulation of hard objects on the filter plate and affecting the filtering effect. The hook rod can also hook the weeds into the vacuum box, thereby increasing the cleaning effect of grass clippings.
[0017] The utility model provides a guide component, and the guide component can realize the precise movement of the slide plate on the arc guide rail, so as to adjust the position of the protection component to ensure that the protection component is in a safe position during the mowing process, avoid collision or interference with obstacles, and thus reduce the occurrence of safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A schematic structural diagram of a preferred embodiment of the obstacle avoidance lawn mower with cleaning function provided by the utility model;
[0019] Figure 2 for Figure 1 A schematic diagram of the structure viewed from above is shown;
[0020] Figure 3 for Figure 1 A schematic structural diagram of the front view shown;
[0021] Figure 4 for Figure 1 A schematic diagram of the structure of the guide assembly shown;
[0022] Figure 5 for Figure 1 Schematic diagram of the structure of the adsorption component shown.
[0023] Numbers in the figure: 1. main pulling arm; 2. mounting plate; 21. collecting cylinder; 22. vacuum cleaner; 23. bellows; 24. dust box; 3. arc guide rail; 31. support rod; 32. slide plate; 33. limit plate; 34. limit roller; 35. driving roller; 4. support frame; 41. rotating rod; 411. hook rod; 42. driven gear; 43. driving gear; 44. driving rod; 45. guide plate; 46. filter plate. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0025] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.
[0026] An obstacle avoidance lawn mower with a cleaning function provided by an embodiment of the utility model comprises: a main pulling arm 1; a central rotating mechanism is installed on one side of the main pulling arm 1, and a plurality of mowing mechanisms are connected to the bottom peripheral side of the central rotating mechanism; wherein an adsorption assembly is arranged at the bottom of the main pulling arm 1, and the trimmed grass clippings can be adsorbed by the adsorption assembly; a protective assembly is arranged inside the adsorption assembly, and the adsorbed debris can be filtered by the protective assembly; a guide assembly is arranged on one side of the adsorption assembly, and the position of the protective assembly can be adjusted by the guide assembly; the adsorption assembly comprises a mounting plate 2 connected to the bottom of the main pulling arm 1, and a collecting cylinder 21 is installed at the bottom of the mounting plate 2, a vacuum cleaner 22 is installed on one side of the collecting cylinder 21, an output end of the vacuum cleaner 22 is connected to a bellows 23, and an end of the bellows 23 away from the vacuum cleaner 22 is connected to a dust box 24.
[0027] It should be noted that the central rotating mechanism is located on one side of the main pulling arm 1, and is used to drive the mowing mechanism to rotate. It usually includes a rotating motor and a transmission assembly, which can provide stable power output so that the mowing mechanism can evenly mow the lawn. Multiple mowing mechanisms are evenly distributed around the bottom of the central rotating mechanism, and each mowing mechanism includes a blade and a protective cover. The blade is used to cut the grass on the lawn, and the protective cover is used to protect the blade and guide the flow of grass clippings. The central rotating mechanism and the mowing mechanism are both prior art. For details, please refer to the patent content with announcement number CN220493612U. Mounting plate 2: located at the bottom of the main pulling arm 1, used to fix and support components such as the collection barrel 21 and the vacuum cleaner 22. The collection barrel 21 is used to collect the mowed grass clippings and other debris. The vacuum cleaner 22 is used to generate negative pressure to suck the mowed grass clippings into the collection barrel 21. The bellows 23 connects the vacuum cleaner 22 and the dust box 24, and is used to transmit airflow and grass clippings. The dust box 24: located below the mowing mechanism, used to collect the sucked grass clippings. The protection component is located inside the adsorption component and is used to filter out adsorbed debris, such as stones, branches, etc. The guide component can adjust the position of the protection component in real time according to the moving direction and speed of the mower, so that it is always located at the rear side of the mowing mechanism, thereby more effectively collecting and filtering the cut grass clippings.
[0028] In the embodiment of the utility model, the guide assembly includes an arc-shaped guide rail 3, and the arc-shaped guide rail 3 is located below the main pulling arm 1, both ends of the main pulling arm 1 are connected to the central rotating mechanism through a connecting rod, a support rod 31 is connected to the center side of the top of the main pulling arm 1, and the top of the support rod 31 is connected to the bottom of the main pulling arm 1. The guide assembly also includes a slide plate 32 slidably connected to the bottom of the arc-shaped guide rail 3, and both sides of the top of the slide plate 32 are installed with limit plates 33, and the two limit plates 33 are located at the top of the arc-shaped guide rail 3, and a gap is reserved between the two limit plates 33. The bottom of the limiting plates 33 is rotatably connected to the limiting roller 34, and the bottom of each limiting roller 34 is rotatably connected to the top of the slide plate 32. The bottom of one of the limiting plates 33 is rotatably connected to a driving roller 35, and the driving roller 35 is located between the two limiting rollers 34. The bottom of the driving roller 35 is rotatably connected to the top of the slide plate 32. A motor for driving the driving roller 35 to rotate is installed at the bottom of one of the limiting plates 33. The driving roller 35 and one side of each limiting roller 34 close to the arc guide rail 3 are in contact with the arc guide rail 3.
[0029] It should be noted that the arc guide rail 3 is located below the main arm 1 and is used to guide the movement of the slide plate 32. The support rod 31 is connected to the center side of the top of the main arm 1 to support the arc guide rail 3. The top of the support rod 31 is connected to the bottom of the main arm 1 to increase the stability of the arc guide rail 3 and prevent it from deforming or displacing during operation. The slide plate 32 is slidably connected to the bottom of the arc guide rail 3 to carry the protective component and adjust its position. Limiting plates 33 are installed on both sides of the top of the slide plate 32 to limit the movement range of the slide plate 32 on the arc guide rail 3. The limiting plates 33 are located on both sides of the top of the slide plate 32 to prevent the slide plate 32 from lateral displacement during movement. A gap is reserved between the two limiting plates 33 so that they can pass through the support rod 31 when sliding. The limiting roller 34 is rotatably connected to the bottom of the limiting plate 33 to reduce the friction between the slide plate 32 and the arc guide rail 3. The bottom of each limiting roller 34 is rotatably connected to the top of the slide plate 32, which can further reduce the resistance of the slide plate 32 during movement. The driving roller 35 is rotatably connected to the bottom of one of the limiting plates 33, and is used to drive the slide plate 32 to move on the arc guide rail 3. The driving roller 35 is located between the two limiting rollers 34 and fits with the side of each limiting roller 34 close to the arc guide rail 3, which can ensure that the moving direction of the slide plate 32 is consistent with the arc guide rail 3. The motor is installed at the bottom of one of the limiting plates 33, and is used to drive the driving roller 35 to rotate. The motor is connected through the driving roller 35, which can provide a stable power output, so that the slide plate 32 can be accurately moved as needed. By driving the roller 35 to rotate by the motor, the accurate movement of the slide plate 32 on the arc guide rail 3 can be achieved, so as to adjust the position of the protection component to ensure that the protection component is in a safe position during mowing, and avoid collision or interference with obstacles, thereby reducing the occurrence of safety accidents.
[0030] In an embodiment of the utility model, the protective component includes two support frames 4 connected to the top of the dust box 24, and the two support frames 4 are arranged oppositely, the tops of the two support frames 4 are connected to the bottom of the slide plate 32, a rotating rod 41 is rotatably connected in the dust box 24, and a plurality of hook rods 411 are connected to the circumferential side of the rotating rod 41 from top to bottom, the top of the rotating rod 41 passes through the dust box 24 and is connected to a driven gear 42, one side of the driven gear 42 is meshed with a driving gear 43, the bottom of the driving gear 43 is rotatably connected to the top of the dust box 24, the top of the driving gear 43 is connected to a driving rod 44, the top of the driving rod 44 passes through the slide plate 32 and is connected to the bottom of the driving roller 35, the protective component also includes two oppositely arranged guide plates 45, the two guide plates 45 are installed on one side of the dust box 24 close to the bellows 23, and one side of the two guide plates 45 is commonly connected to a filter plate 46.
[0031] It should be noted that the support frame 4 is connected to the top of the dust box 24 and is used to support and fix other parts of the protective assembly. The two support frames 4 are arranged oppositely to each other, which can increase the stability of the protective assembly and prevent it from shaking or displacement during operation. The rotating rod 41 is rotatably connected in the dust box 24 and is used to drive the rotation of the hook rod 411. The peripheral side of the rotating rod 41 is connected with multiple hook rods 411 from top to bottom, which can increase the contact area with grass clippings and improve the collection efficiency of grass clippings. The hook rod 411 is connected to the peripheral side of the rotating rod 41 and is used to hook and transport grass clippings. The setting of multiple hook rods 411 can increase the amount of grass clippings collected and reduce the residual grass clippings in the dust box 24. The driven gear 42 is connected to the top of the rotating rod 41 and is used to transmit the rotation of the driving roller 35 to the rotating rod 41. The driven gear 42 is meshed and connected with the driving gear 43 to achieve power transmission and speed adjustment. The driving rod 44 is connected to the top of the driving gear 43, and is used to transmit the rotation of the driving roller 35 to the driving gear 43. The top of the driving rod 44 passes through the slide plate 32 and is connected to the bottom of the driving roller 35, so that the power transmission and position adjustment can be realized. The guide plate 45 is installed on the side of the dust box 24 close to the bellows 23, and is used to guide the flow direction of the grass clippings. The two guide plates 45 are arranged oppositely, which can increase the flow speed of the grass clippings and reduce their residence time in the dust box 24. The filter plate 46 is connected to one side of the two guide plates 45, and is used to filter out the debris in the grass clippings. The filter plate 46 is provided with a strip groove for the hook rod 411 to pass through, which can prevent hard objects such as stones and branches from entering the vacuum cleaner 22 and causing damage. When hard objects such as stones and branches enter the dust box 24, they will be blocked by the filter plate 46, and the debris in the dust box 24 can be taken out of the dust box 24 through the hook rod 411.
[0032] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.
[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. An obstacle avoidance lawn mower with a cleaning function, characterized in that: include: Main pulling arm (1); A central rotating mechanism is installed on one side of the main pulling arm (1), and a plurality of mowing mechanisms are connected to the bottom periphery of the central rotating mechanism; Wherein, an adsorption component is arranged at the bottom of the main pulling arm (1), and the mowed grass clippings can be adsorbed by the adsorption component; A protective component is provided inside the adsorption component, and the adsorbed debris can be filtered through the protective component; A guide component is provided on one side of the adsorption component, and the position of the protection component can be adjusted through the guide component; The adsorption assembly comprises a mounting plate (2) connected to the bottom of the main pulling arm (1), and a collecting cylinder (21) is installed at the bottom of the mounting plate (2), a vacuum cleaner (22) is installed on one side of the collecting cylinder (21), an output end of the vacuum cleaner (22) is connected to a bellows (23), and an end of the bellows (23) away from the vacuum cleaner (22) is connected to a dust box (24).
2. The obstacle avoidance lawn mower with cleaning function according to claim 1, characterized in that: The guide assembly comprises an arc-shaped guide rail (3), and the arc-shaped guide rail (3) is located below the main pulling arm (1), both ends of the main pulling arm (1) are connected to the central rotating mechanism through connecting rods, and a support rod (31) is connected to the center side of the top of the main pulling arm (1), and the top of the support rod (31) is connected to the bottom of the main pulling arm (1).
3. The obstacle avoidance lawn mower with cleaning function according to claim 2, characterized in that: The guide assembly also includes a slide plate (32) slidably connected to the bottom of the arc guide rail (3), and limit plates (33) are installed on both sides of the top of the slide plate (32), and the two limit plates (33) are located at the top of the arc guide rail (3), and a gap is reserved between the two limit plates (33). The bottoms of the two limit plates (33) are rotatably connected to limit rollers (34), and the bottom of each limit roller (34) is rotatably connected to the top of the slide plate (32).
4. The obstacle avoidance lawn mower with cleaning function according to claim 3, characterized in that: A driving roller (35) is rotatably connected to the bottom of one of the limiting plates (33), and the driving roller (35) is located between the two limiting rollers (34). The bottom of the driving roller (35) is rotatably connected to the top of the slide plate (32), and a motor for driving the driving roller (35) to rotate is installed at the bottom of one of the limiting plates (33).
5. The obstacle avoidance lawn mower with cleaning function according to claim 4, characterized in that: The driving roller (35) and each limiting roller (34) are both in contact with the arc-shaped guide rail (3) on one side thereof close to the arc-shaped guide rail (3).
6. The obstacle avoidance lawn mower with cleaning function according to claim 5, characterized in that: The protection component comprises two support frames (4) connected to the top of the dust box (24), and the two support frames (4) are arranged opposite to each other. The tops of the two support frames (4) are connected to the bottom of the slide plate (32). A rotating rod (41) is rotatably connected inside the dust box (24). The peripheral side of the rotating rod (41) is connected to a plurality of hook rods (411) from top to bottom. The top of the rotating rod (41) passes through the dust box (24) and is connected to a driven gear (42). One side of the driven gear (42) is meshedly connected to a driving gear (43). The bottom of the driving gear (43) is rotatably connected to the top of the dust box (24). The top of the driving gear (43) is connected to a driving rod (44). The top of the driving rod (44) passes through the slide plate (32) and is connected to the bottom of the driving roller (35).
7. The obstacle avoidance lawn mower with cleaning function according to claim 6, characterized in that: The protection assembly also includes two guide plates (45) installed in opposite positions. The two guide plates (45) are installed on one side of the dust collection box (24) close to the bellows (23). One side of the two guide plates (45) is commonly connected to a filter plate (46).
Citation Information
Patent Citations
Novel automatic obstacle avoidance type cantilever three-axis mower
CN220493612U