Lawn mower and lifting type walking system

Abstract

The utility model provides a hay mower and lift type walking system, including the frame that has the handrail, the frame bottom both ends are rotatingly equipped with two rotating shaft, also include the lifting mechanism, the lifting mechanism includes four connecting strip and driving subassembly, four connecting strip both ends are connected to the rotating shaft and the runner respectively, and the driving subassembly is connected to the driving subassembly. The rotating shaft is rotationally connected to the connecting strip, the rotating wheel is fixedly connected to the connecting strip, and the driving assembly is connected with the rotating shaft; when the driving assembly works, the two rotating shafts are driven by the driving assembly to rotate clockwise or anticlockwise. The rotating shaft drives the connecting strip to rotate, so that the rotating wheels adjust the height of the rotating wheels with the rotating shaft as the circle center, meanwhile, the driving assembly further controls all the rotating wheels to synchronously move upwards or downwards, the height of the mower is adjusted, the cutting height is adjusted, and the application scene is enlarged.

Description

Technical Field

[0001] The utility model relates to the field of weeding equipment, in particular to a lawn mower and a lifting type walking system. Background Art

[0002] A lawn mower is a mechanical tool used to mow lawns, vegetation, etc.

[0003] The Chinese patent with the announcement number CN218604010U discloses a lawn mower, which includes a body; a visual component, which is arranged on the body and moves with the body, and is located at the front end of the body in the direction of movement; and a processor, which is connected to the visual component signal. The lawn mower disclosed by the utility model can solve the problem of poor positioning effect of the lawn mower in the prior art.

[0004] The above-mentioned related technical solutions have the following defects: it is difficult to adjust the cutting height of the above-mentioned lawn mower, and it can only be applied to a fixed mowing height, and the mowing height of the lawn cannot be changed according to the actual situation or design, and the application scenario is relatively cramped. Utility Model Content

[0005] The present application provides a lifting walking system, which has the effect of being able to adjust the cutting height of a lawn mower.

[0006] The lifting walking system provided in this application adopts the following technical solutions:

[0007] A lifting walking system comprises a frame with handrails, two rotating shafts are rotatably arranged at both ends of the bottom of the frame, and a lifting mechanism, wherein the lifting mechanism comprises four connecting bars and a driving assembly, wherein the two ends of the four connecting bars are respectively connected to the rotating shaft and the rotating wheel, the rotating shaft is rotatably connected to the connecting bars, the rotating wheel is fixedly connected to the connecting bars, and the driving assembly is connected to the rotating shaft; the driving assembly is used to drive the rotating shaft to rotate.

[0008] Through the above technical solution, the connecting bar is driven to rotate by the rotating shaft, so that the height of the rotating wheel can be adjusted with the rotating shaft as the center of the circle. At the same time, the driving component further controls all the rotating wheels to move upward or downward synchronously, thereby adjusting the height of the lawn mower, and then adjusting the cutting height, thereby increasing the application scenarios.

[0009] Preferably, the driving assembly includes an adjusting handle, a limiting structure and a linkage assembly, the adjusting handle is fixed on a rotating shaft near one end of the armrest, and the adjusting handle is arranged near one end of the rotating shaft; when the adjusting handle drives the rotating shaft to rotate, the linkage assembly drives another rotating shaft to rotate, and the limiting structure is used to limit the position of the adjusting handle after rotation.

[0010] Through the above technical solution, the rotation of the adjustment handle can drive the rotation of the shaft, thereby realizing the height adjustment of the lawn mower; and the linkage component can drive the other shaft to rotate in the same direction, so that the height of the rotating wheel can be changed at the same time.

[0011] Preferably, the two connecting strips near one end of the adjusting handle are boomerang-shaped, and the two connecting strips are dart connecting strip A and dart connecting strip B respectively. The rotating wheel rotates on one end of the dart connecting strip A and the dart connecting strip B, and the rotating shaft is fixed at the middle position of the dart connecting strip A and the dart connecting strip B.

[0012] Through the above technical solution, the connecting strip at one end is changed into a boomerang shape to provide an additional connecting position.

[0013] Preferably, the linkage assembly includes a first linkage rod and a second linkage rod, one end of the first linkage rod is connected to the end of the dart connecting bar A away from the rotating wheel, the other end of the first linkage rod is bent toward the end of the dart connecting bar B away from the rotating wheel, and the two ends of the second linkage rod are respectively arranged on the end of the first linkage rod away from the dart connecting bar A and the end of the dart connecting bar B away from the rotating wheel.

[0014] Through the above technical solution, when the adjustment handle rotates clockwise, the dart connecting bar B also rotates clockwise, thereby moving the rotating wheel on the dart connecting bar B upward; at the same time, the second linkage rod rotates counterclockwise, driving the first linkage rod to rotate clockwise, thereby driving the dart connecting bar A to rotate counterclockwise, thereby driving the rotating wheel on the dart connecting bar A upward, and finally achieving joint movement.

[0015] Preferably, the rotating wheel is always located at one side of the outer end, the connecting strip is arranged obliquely downward at one end close to the handrail, and the connecting strip is arranged obliquely upward at one end away from the handrail.

[0016] Through the above technical solution, the linkage component makes one rotating shaft rotate clockwise while the other rotating shaft can only rotate counterclockwise. The connecting strips on both sides close to the armrest and away from the armrest are tilted upward or downward respectively to ensure that all the wheels can move upward or downward synchronously; at the same time, the rotating wheels are always kept on one side of the outer end to ensure that the rotating wheels will not interfere with the frame when switching heights.

[0017] Preferably, the limiting structure includes a shift plate and a connecting plate, the shift plate is fixed on the frame, the shift plate is arranged close to the adjustment handle, a shift hole is circumferentially opened on the shift plate, and the adjustment handle is clamped in the shift hole; the adjustment handle is fixed to the rotating shaft through the connecting plate.

[0018] Through the above technical solution, the adjustment handle can be clamped in different gear holes to adjust the height of the rotating wheel, thereby adjusting the cutting height to meet different needs and working conditions.

[0019] Preferably, the length direction of the connecting plate is perpendicular to the length direction of the rotating shaft, an arc opening is provided at the bottom end of the connecting plate, the arc opening is fixed to the rotating shaft by an arc opening bolt, the arc opening bolt is arranged perpendicular to the length direction of the rotating shaft, the adjustment handle is fixed to the top end of the connecting plate by bolts, and a matching groove is provided on the rotating shaft.

[0020] Through the above technical solution, the length direction of the connecting plate is perpendicular to the length direction of the rotating shaft and is clamped on the rotating shaft, and the adjustment handle can be moved along the length direction of the rotating shaft through the cooperation between the arc opening and the matching groove; and when the adjustment handle moves perpendicular to the length direction of the rotating shaft, the adjustment handle drives the rotating shaft to rotate.

[0021] The present application also provides a lawn mower, which has the effect of being able to adjust the cutting height of the lawn mower.

[0022] The lawn mower provided in this application adopts the following technical solution:

[0023] A lawn mower comprises the above-mentioned lifting travel system.

[0024] Through the above technical solution, a lifting mechanism is formed by a mechanical structure, so that the height of the rotating wheel can be changed, and then the cutting height of the lawn mower can be adjusted, which increases the application scenarios; at the same time, the use of a mechanical structure can enhance the service life and facilitate maintenance.

[0025] The technical effects of this utility model are mainly reflected in the following aspects:

[0026] 1. The utility model sets a lifting mechanism, uses the lifting mechanism to change the height of the rotating wheel, and then adjusts the cutting height of the lawn mower, thereby increasing the application scenarios;

[0027] 2. The utility model uses a mechanical structure to lift the wheel, thereby increasing its service life and reducing maintenance costs;

[0028] 3. The utility model designs a connecting plate so that the user can smoothly move the adjustment handle when pulling the adjustment handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0030] Figure 2 This is a schematic diagram of the overall structure of the lifting mechanism in the embodiment of the present application;

[0031] Figure 3This is a schematic diagram of the overall structure of the connecting plate in the embodiment of the present application;

[0032] Figure 4 In the embodiment of this application Figure 1 The enlarged schematic diagram of point A in the middle;

[0033] Figure 5 In the embodiment of this application Figure 2 A magnified schematic diagram of point B in the middle.

[0034] Figure numerals: 1. frame; 11. matching hole; 12. hook; 2. armrest; 21. telescopic structure; 22. socket; 23. latch; 3. shaft; 31. matching groove; 4. rotating wheel; 5. lifting mechanism; 51. connecting strip; 511. dart connecting strip A; 512. dart connecting strip B; 513. middle position; 52. driving assembly; 521. adjusting handle; 522. linkage assembly; 523. first linkage rod; 524. second linkage rod; 53. limiting structure; 531. shift plate; 5311. shift hole; 532. connecting plate; 5321. arc mouth; 5322. arc mouth bolt; 6. outer end. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-5 , the specific implementation methods of the utility model are further described in detail to make the technical solution of the utility model easier to understand and grasp.

[0036] The present application discloses a lifting walking system:

[0037] Reference Figure 1-Figure 5 A lifting walking system includes a frame 1 with a handrail 2, two rotating shafts 3 are rotatably provided at both ends of the bottom of the frame 1, and a lifting mechanism 5 is also included. The lifting mechanism 5 includes four connecting bars 51 and a driving assembly 52. ​​The two ends of the four connecting bars 51 are respectively connected to the rotating shaft 3 and the rotating wheel 4, the rotating shaft 3 is rotatably connected to the connecting bars 51, the rotating wheel 4 is fixedly connected to the connecting bars 51, and the driving assembly 52 is connected to the rotating shaft 3.

[0038] When the driving assembly 52 is working, the two rotating shafts 3 are driven to rotate clockwise or counterclockwise, the four connecting bars 51 rotate with the rotating shafts 3, and the rotating wheels 4 are driven to synchronously perform circular motions with the two rotating shafts 3 as the center of the circle, and the rotating wheels 4 are driven by the driving assembly 52 to synchronously move upward or downward. The rotating shaft 3 drives the rotation of the connecting bars 51, so that the height of the rotating wheel 4 is adjusted with the rotating shaft 3 as the center of the circle, and at the same time, the driving assembly 52 further controls all the rotating wheels 4 to synchronously move upward or downward, so as to adjust the height of the lawn mower, and then adjust the cutting height, thereby increasing the application scenarios.

[0039] Reference Figure 2-Figure 3 and Figure 5 The driving assembly 52 includes an adjusting handle 521, a limiting structure 53 and a linkage assembly 522. The adjusting handle 521 is fixed on the rotating shaft 3 near one end of the handrail 2, and the adjusting handle 521 is arranged near one end of the rotating shaft 3. When the adjusting handle 521 rotates with the rotating shaft 3 as the center, the rotating shaft 3 also rotates, and the linkage assembly 522 drives the other rotating shaft 3 to rotate. The limiting structure 53 is used to limit the position of the adjusting handle 521 after rotation, so as to achieve the height adjustment of the lawn mower. The linkage assembly 522 drives the other rotating shaft 3 to rotate in the same direction, so that the rotating wheel 4 can change the height at the same time.

[0040] Reference Figure 2-Figure 3 and Figure 5 , two boomerang-shaped connecting bars 51 near one end of the adjusting handle 521 are respectively dart connecting bars A 511 and dart connecting bars B 512, the rotating wheel 4 rotates on one end of the dart connecting bars A 511 and the dart connecting bars B 512, and the rotating shaft 3 is fixed on the middle position 513 of the dart connecting bars A 511 and the dart connecting bars B 512. The linkage assembly 522 includes a first linkage rod 523 and a second linkage rod 524, one end of the first linkage rod 523 is connected to the end of the dart connecting bar A 511 away from the rotating wheel 4, the other end of the first linkage rod 523 is bent toward the end of the dart connecting bar B 512 away from the rotating wheel 4, and the two ends of the second linkage rod 524 are respectively fixed to the end of the first linkage rod 523 away from the dart connecting bar A 511 and the end of the dart connecting bar B512 away from the rotating wheel 4.

[0041] When the adjusting handle 521 rotates clockwise, the dart connecting bar B 512 also rotates clockwise, thereby moving the rotating wheel 4 rotating on the dart connecting bar B 512 upward; at the same time, the second linkage rod 524 rotates counterclockwise, driving the first linkage rod 523 to rotate clockwise, thereby driving the dart connecting bar A 511 to rotate counterclockwise, thereby driving the rotating wheel 4 rotating on the dart connecting bar A 511 upward, and finally achieving synchronous up and down movement.

[0042] Reference Figure 1-Figure 2 , the rotating wheel 4 is always located at the side of the outer end 6, the connecting strip 51 at the end close to the handrail 2 is tilted downward, and the connecting strip 51 at the end far from the handrail 2 is tilted upward. The linkage assembly 522 makes it possible for one rotating shaft 3 to rotate clockwise while the other rotating shaft 3 can only rotate counterclockwise. Normally, the rotating wheels 4 will only cause the rotating wheels 4 at the ends close to the handrail 2 and far from the handrail 2 to move in opposite directions. By tilting the connecting strips 51 at both ends close to the handrail 2 and far from the handrail 2 upward or downward respectively, it is ensured that all the rotating wheels 4 move upward or downward synchronously; at the same time, the rotating wheels 4 are always kept at the side of the outer end 6, ensuring that the rotating wheels 4 will not interfere with the frame 1 when switching heights.

[0043] Reference Figure 2 and Figure 5 The limiting structure 53 includes a shift plate 531 and a connecting plate 532. The shift plate 531 is fixed on the frame 1. The shift plate 531 is arranged near the adjusting handle 521. A shift hole 5311 is opened circumferentially on the shift plate 531. The adjusting handle 521 is clamped in the shift hole 5311. The adjusting handle 521 is fixed on the rotating shaft 3 through the connecting plate 532. The adjusting handle 521 can be clamped in different shift holes 5311 to adjust the height of the rotating wheel 4, thereby adjusting the cutting height to meet different needs and working conditions.

[0044] Reference Figure 3 , the length direction of the connecting plate 532 is perpendicular to the length direction of the rotating shaft 3, an arc opening 5321 is provided at the bottom end of the connecting plate 532, the arc opening 5321 is fixed to the rotating shaft 3 through the arc opening 5321 bolt, the arc opening 5321 bolt is arranged perpendicular to the length direction of the rotating shaft 3, the adjustment handle 521 is fixed to the top of the connecting plate 532 through the bolt, and a matching groove 31 is provided on the rotating shaft 3. The length direction of the connecting plate 532 is perpendicular to the length direction of the rotating shaft 3 and is clamped on the rotating shaft 3, and the adjustment handle 521 can be moved along the length direction of the rotating shaft 3 through the matching of the arc opening 5321 and the matching groove 31; and when the adjustment handle 521 moves perpendicular to the length direction of the rotating shaft 3, the adjustment handle 521 drives the rotating shaft 3 to rotate.

[0045] Reference Figure 4 , a telescopic structure 21 is provided on the armrest 2, and the telescopic structure 21 includes a socket 22 and a latch 23. The sockets 22 are provided along the length direction of the armrest 2, and the frame 1 is provided with a matching hole 11, and the diameter of the armrest 2 is smaller than the diameter of the frame 1. When the armrest 2 is sleeved in the frame 1, the latch 23 is inserted into the socket 22 through the matching hole 11. The telescopic structure 21 can be used to change the height of the armrest 2. The user can change the height of the armrest 2 according to his / her height or personal preference, so that the user can obtain a more comfortable and ergonomic operating experience.

[0046] Reference Figure 1 A hook 12 is fixed on one end of the frame 1 close to the handrail 2, and the hook 12 is used to hang the mowing tool to facilitate the user to temporarily store the tool.

[0047] The present application embodiment discloses a lawn mower:

[0048] Reference Figure 1-Figure 5 A lawn mower includes the above-mentioned lifting travel system. The lawn mower has a lifting mechanism 5 formed by a mechanical structure, so as to change the height of the rotating wheel 4, thereby adjusting the cutting height of the lawn mower, thereby increasing the application scenarios; at the same time, the use of the mechanical structure can increase the service life and facilitate maintenance.

[0049] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A lifting walking system, comprising a frame (1) with a handrail (2), two rotating shafts (3) rotating at both ends of the bottom of the frame (1), characterized in that: The lifting mechanism (5) further comprises four connecting bars (51) and a driving assembly (52). The two ends of the four connecting bars (51) are respectively connected to the rotating shaft (3) and the rotating wheel (4). The rotating shaft (3) is rotatably connected to the connecting bars (51). The rotating wheel (4) is fixedly connected to the connecting bars (51). The driving assembly (52) is used to drive the rotating shaft (3) to rotate.

2. A lifting travel system according to claim 1, characterized in that: The driving assembly (52) comprises an adjusting handle (521), a limiting structure (53) and a linkage assembly (522); the adjusting handle (521) is fixed on a rotating shaft (3) close to one end of the handrail (2); when the adjusting handle (521) drives the rotating shaft (3) to rotate, the linkage assembly (522) drives another rotating shaft (3) to rotate, and the limiting structure (53) is used to limit the position of the adjusting handle (521) after rotation.

3. A lifting travel system according to claim 2, characterized in that: The two connecting bars (51) on one side of the connecting bar (51) close to the adjusting handle (521) are in a boomerang shape, and the two connecting bars are respectively a dart connecting bar A (511) and a dart connecting bar B (512). The rotating wheel (4) rotates on one end of the dart connecting bar A (511) and the dart connecting bar B (512), and the rotating shaft (3) is fixed on the middle position (513) of the dart connecting bar A (511) and the dart connecting bar B (512).

4. A lifting travel system according to claim 2, characterized in that: The linkage assembly (522) comprises a first linkage rod (523) and a second linkage rod (524), one end of the first linkage rod (523) being connected to an end of the dart connecting bar A (511) away from the rotating wheel (4), the other end of the first linkage rod (523) being bent toward an end of the dart connecting bar B (512) away from the rotating wheel (4), and two ends of the second linkage rod (524) being respectively arranged on an end of the first linkage rod (523) away from the dart connecting bar A (511) and an end of the dart connecting bar B (512) away from the rotating wheel (4).

5. The lifting travel system according to claim 1, characterized in that: The rotating wheel (4) is always located on one side of the outer end (6); the end of the connecting strip (51) close to the handrail (2) is arranged obliquely downward; and the end of the connecting strip (51) away from the handrail (2) is arranged obliquely upward.

6. The lifting travel system according to claim 2, characterized in that: The limiting structure (53) comprises a shift plate (531) and a connecting plate (532); the shift plate (531) is fixed on the frame (1); the shift plate (531) is arranged close to the adjusting handle (521); a shift hole (5311) is circumferentially opened on the shift plate (531); the adjusting handle (521) is clamped in the shift hole (5311); and the adjusting handle (521) is fixed to the rotating shaft (3) via the connecting plate (532).

7. The lifting travel system according to claim 6, characterized in that: The length direction of the connecting plate (532) is perpendicular to the length direction of the rotating shaft (3); an arcuate opening (5321) is provided at the bottom end of the connecting plate (532); the arcuate opening (5321) is fixed to the rotating shaft (3) by means of an arcuate opening (5321) bolt; the arcuate opening (5321) bolt is arranged perpendicular to the length direction of the rotating shaft (3); the adjusting handle (521) is fixed to the top end of the connecting plate (532) by means of a bolt; and a matching groove (31) is provided on the rotating shaft (3).

8. A lawn mower, characterized in that: A lifting and lowering walking system comprising any one of claims 1 to 6.

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