Lawn mower with walking wheels easy to replace

Abstract

The utility model provides a mowing machine with walking wheels easy to replace, and relates to the technical field of mowing machines, the mowing machine comprises a shell, a boss is installed at the top end of the shell, a motor is installed at the top end of the boss, a transmission rod is installed at the output end of the motor, and cutters are evenly arranged on the surface of the transmission rod. When a rotating wheel is damaged and needs to be replaced after being used for a long time, a rotating handle A is firstly pinched to rotate, a threaded rod A rotates in a mounting block through a rotating groove A, after the threaded rod A completely rotates out of the mounting block through the rotating groove A, the threaded rod A can be taken out from the interior of the rotating wheel through the mounting groove, then the rotating wheel is pinched to be pulled backwards, and the threaded rod A can be replaced. When the rotating wheel is damaged after long-time use, the limiting plate slides out of the surface of the mounting block and slides out of the surface of the convex block through the groove, and then replacement can be carried out, so that the situation that the rotating wheel cannot be used when the rotating wheel is damaged due to the fact that the rotating wheel is directly fixed to the surface of the mounting block in an existing mower is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to a lawn mower with easily replaceable walking wheels. Background Art

[0002] A lawn mower is also called a weeder, a lawn mower, a lawn trimmer, etc. It is widely used in the field of gardening. A walking lawn mower generally includes: a frame, an engine, a walking mechanism, a cutter, a push rod, and a control part. The frame is installed on the walking mechanism, and an engine is installed on the frame. A cutter is installed on the output shaft of the engine. The engine drives the cutter to rotate at high speed to achieve the trimming of lawns and vegetation, saving the working time of weeding workers and reducing a large amount of human resources. According to the announcement number: CN221178470U, a lawn mower is disclosed, which belongs to garden machinery and equipment. It includes a lawn mower body, a push rod rotatably installed on the lawn mower body, a locking device arranged between the lawn mower body and the fixed end of the push rod, suitable for limiting the relative angle between the push rod and the lawn mower body, and having at least two gears, and a height adjustment handle arranged at the armrest end of the push rod and transmitted to the locking device through a traction member, suitable for releasing the restriction state of the locking device. The utility model controls the locking device of the fixed end of the push rod armrest through the height adjustment handle fixed on the armrest end of the push rod. The user does not need to use other auxiliary equipment or bend down for adjustment during the entire height adjustment process, which is more convenient. However, the above technology still has some defects. For example, the existing lawn mower has a rotating wheel directly fixed on the surface of the mounting block. After long-term use, when the rotating wheel is damaged, it will cause the lawn mower to become unusable. The practicality is poor and needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a lawn mower with easily replaceable walking wheels comprises a shell, a boss is installed at the top of the shell, a motor is installed at the top of the boss, a transmission rod is installed at the output end of the motor, cutting knives are evenly arranged on the surface of the transmission rod, a rotating rod is arranged inside the shell, a mounting block is installed on the surface of the rotating rod, a threaded rod A is arranged inside the mounting block, a turning handle A is installed on the surface of the threaded rod A, a rotating wheel is arranged on the surface of the mounting block, a limiting plate is installed on the back of the rotating wheel, a collecting box is installed on the right side of the shell, a baffle is arranged inside the collecting box, a cover plate is arranged at the top of the collecting box, an inclined plate is installed on the left side of the collecting box, a side block is installed on the side of the collecting box, a threaded rod C is arranged inside the side block, a supporting pad is arranged at the bottom end of the threaded rod C, and a turning handle C is installed at the top of the threaded rod C.

[0005] Preferably, a push rod is provided on the surface of the housing, the transmission rod is rotatably connected to the boss, and the cutting knife is rotatably connected to the housing. Here, it is more convenient for the transmission rod to rotate.

[0006] Preferably, the surface of the mounting block is evenly distributed with bumps, the surface of the rotating wheel is evenly distributed with grooves, the rotating wheel slides on the surface of the bumps through the grooves, and the top of the rotating wheel is evenly distributed with anti-skid pads. Here, it is more convenient for the rotating wheel to slide.

[0007] Preferably, the threaded rod A rotates inside the mounting block through the rotation slot A, the threaded rod A rotates inside the rotating wheel through the mounting slot, and the turning handle A is rotationally connected to the rotating wheel. Here, the threaded rod A is more convenient to rotate.

[0008] Preferably, a slider is fixedly mounted on the surface of the baffle, the slider slides inside the collection box through a slide groove, the baffle is slidably connected to the collection box, the cover plate is slidably connected to the collection box, and the threaded rod C rotates inside the side block through a rotation groove C. Here, it is more convenient for the baffle and the slider to slide.

[0009] Preferably, a fixing block is fixedly mounted on the top of the cutting knife, a sliding groove is provided on the top of the fixing block, a rotating groove B is provided on the surface of the transmission rod, a threaded rod B is rotatably connected inside the rotating groove B, and a turning handle B is fixedly mounted on the back of the threaded rod B. Here, it is more convenient to replace the cutting knife.

[0010] Preferably, the fixed block slides on the surface of the transmission rod through the sliding groove, the threaded rod B is rotationally connected to the transmission rod, the threaded rod B is rotationally connected to the fixed block, and the turning handle B is rotationally connected to the fixed block. Here, it is more convenient for the threaded rod B to rotate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. The utility model achieves a better use effect by arranging a rotating rod, a mounting block, a protrusion, a rotating groove A, a threaded rod A, a rotating handle A, a rotating wheel, a mounting groove, a groove, an anti-skid pad, a limiting plate, a side block, a rotating groove C, a threaded rod C, a supporting pad and a rotating handle C. When the rotating wheel is damaged and needs to be replaced after long-term use, the rotating handle A is first pinched to rotate it so that the threaded rod A rotates inside the mounting block through the rotating groove A. When the threaded rod A is completely rotated out of the mounting block through the rotating groove A, it can be taken out from the inside of the rotating wheel through the mounting groove. Then, the rotating wheel is pinched and pulled backward to make the limiting plate slide out of the surface of the mounting block and slide out of the surface of the protrusion through the groove. At this time, it can be replaced, thereby avoiding the situation in which the existing lawn mower cannot be used after long-term use because the rotating wheel is directly fixed on the surface of the mounting block and the rotating wheel is damaged.

[0013] 2. The utility model provides a fixed block, a sliding groove, a rotating groove B, a threaded rod B and a turning handle B, so that it is more convenient to replace the cutting knife. After long-term use, when the cutting knife is greatly worn, the turning handle B can be pinched to rotate, so that the threaded rod B can rotate inside the transmission rod through the rotating groove B. When the threaded rod B is completely rotated out of the fixed rod through the rotating groove B, the fixed block can be pinched and pulled downward, so that the fixed block can slide downward on the surface of the transmission rod through the sliding groove. When the fixed block completely slides out of the surface of the transmission rod, it can be replaced, thereby preventing the situation in which the cutting knife is poorly used due to the large wear of the cutting knife after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of a lawn mower with easily replaceable running wheels is provided for the utility model;

[0015] Figure 2 The utility model provides an exploded schematic diagram of a lawn mower with easily replaceable walking wheels;

[0016] Figure 3 The utility model proposes a lawn mower with easily replaceable walking wheels Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 The utility model proposes a lawn mower with easily replaceable walking wheels Figure 2 Enlarged view of point B in the middle;

[0018] Figure 5 The utility model proposes a lawn mower with easily replaceable walking wheels Figure 2 Enlarged view of point C in the middle;

[0019] Figure 6 The utility model proposes a lawn mower with easily replaceable walking wheels Figure 2 Enlarged view of point D in the middle.

[0020] Legend:

[0021] 1. Housing; 2. Push rod; 3. Boss; 4. Motor; 5. Transmission rod; 6. Cutter; 7. Rotating rod; 8. Mounting block; 9. Boss; 10. Rotating groove A; 11. Threaded rod A; 12. Turning handle A; 13. Rotating wheel; 14. Mounting groove; 15. Groove; 16. Anti-skid pad; 17. Limit plate; 18. Collection box; 19. Slide groove; 20. Sliding block; 21. Baffle plate; 22. Cover plate; 23. Inclined plate; 24. Fixed block; 25. Sliding groove; 26. Rotating groove B; 27. Threaded rod B; 28. Turning handle B; 29. ​​Side block; 30. Rotating groove C; 31. Threaded rod C; 32. Support pad; 33. Turning handle C. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1

[0025] See also Figure 1-5The utility model provides a technical solution: a lawn mower with easily replaceable walking wheels, comprising a shell 1, a boss 3 is installed at the top of the shell 1, a motor 4 is installed at the top of the boss 3, a transmission rod 5 is installed at the output end of the motor 4, and a cutting knife 6 is evenly arranged on the surface of the transmission rod 5, a rotating rod 7 is arranged inside the shell 1, a mounting block 8 is installed on the surface of the rotating rod 7, a threaded rod A11 is arranged inside the mounting block 8, a turning handle A12 is installed on the surface of the threaded rod A11, a rotating wheel 13 is arranged on the surface of the mounting block 8, a limiting plate 17 is installed on the back of the rotating wheel 13, a collecting box 18 is installed on the right side of the shell 1, a baffle 21 is arranged inside the collecting box 18, a cover plate 22 is arranged on the top of the collecting box 18, an inclined plate 23 is installed on the left side of the collecting box 18, and the collecting box 1 A side block 29 is installed on the side of 8, a threaded rod C31 is arranged inside the side block 29, a support pad 32 is arranged at the bottom end of the threaded rod C31, and a turning handle C33 is installed at the top of the threaded rod C31. By arranging the turning rod 7, the mounting block 8, the protrusion 9, the rotating groove A10, the threaded rod A11, the turning handle A12, the rotating wheel 13, the mounting groove 14, the groove 15, the anti-slip pad 16, the limiting plate 17, the side block 29, the rotating groove C30, the threaded rod C31, the support pad 32 and the turning handle C33, a better use effect is achieved. After long-term use, when the rotating wheel 13 is damaged and needs to be replaced, first pinch the turning handle A12 to rotate it, so that the threaded rod A11 rotates inside the mounting block 8 through the rotating groove A10. When the threaded rod A11 rotates through the rotating groove A10, After the movable groove A10 is completely rotated out of the interior of the mounting block 8, it can be taken out from the inside of the rotating wheel 13 through the mounting groove 14, and then the rotating wheel 13 is pinched and pulled backward to make the limiting plate 17 slide out of the surface of the mounting block 8 and slide out of the surface of the protrusion 9 through the groove 15. At this time, it can be replaced, thereby avoiding the situation that the existing lawn mower cannot be used when the rotating wheel 13 is damaged after long-term use because the rotating wheel 13 is directly fixed on the surface of the mounting block 8. The surface of the shell 1 is provided with a push rod 2, the transmission rod 5 is rotatably connected to the boss 3, and the cutting knife 6 is rotatably connected to the shell 1, which makes it more convenient for the transmission rod 5 to rotate, and prevents the transmission rod 5 from being unable to continue to rotate due to being stuck by the boss 3 during use. The mounting block 8 The surface of the rotating wheel 13 is evenly distributed with protrusions 9, and the surface of the rotating wheel 13 is evenly distributed with grooves 15. The rotating wheel 13 slides on the surface of the protrusions 9 through the grooves 15. The top of the rotating wheel 13 is evenly distributed with anti-skid pads 16, which makes it easier for the rotating wheel 13 to slide and prevents the rotating wheel 13 from being stuck by the protrusions 9 during use, causing the rotating wheel 13 to be unable to continue sliding. The threaded rod A11 rotates inside the mounting block 8 through the rotating groove A10, and the threaded rod A11 rotates inside the rotating wheel 13 through the mounting groove 14. The turning handle A12 is rotatably connected to the rotating wheel 13, which makes it easier for the threaded rod A11 to rotate and prevents the threaded rod A11 from being stuck by the mounting block 8 or the rotating wheel 13 during use.The surface of the baffle 21 is fixedly mounted with a slider 20, which slides inside the collection box 18 through the slide groove 19. The baffle 21 is slidably connected to the collection box 18, and the cover plate 22 is slidably connected to the collection box 18. The threaded rod C31 rotates inside the side block 29 through the rotation groove C30, which makes it easier for the baffle 21 and the slider 20 to slide, and avoids the baffle 21 and the slider 20 being stuck by the collection box 18 during use, which causes the baffle 21 and the slider 20 to be unable to continue sliding.

[0026] Embodiment 2

[0027] See also Figure 1-2 6. A fixing block 24 is fixedly installed at the top of the cutting knife 6. A sliding groove 25 is provided at the top of the fixing block 24. A rotating groove B26 is provided on the surface of the transmission rod 5. A threaded rod B27 is rotatably connected inside the rotating groove B26. A turning handle B28 is fixedly installed on the back of the threaded rod B27. It is more convenient to replace the cutting knife 6. After long-term use, when the cutting knife 6 is worn out, the turning handle B28 can be pinched to rotate, so that the threaded rod B27 can rotate inside the transmission rod 5 through the rotating groove B26. When the threaded rod B27 is completely rotated out of the fixed rod through the rotating groove B26, the fixing block 24 can be pinched and pulled downward to make the fixing block 24 rotate through the sliding groove B26. The groove 25 slides downward on the surface of the transmission rod 5. When the fixing block 24 completely slides out of the surface of the transmission rod 5, it can be replaced, thereby preventing the cutting knife 6 from being worn out after a long period of use and causing poor use effect. The fixing block 24 slides on the surface of the transmission rod 5 through the sliding groove 25, and the threaded rod B27 is rotationally connected to the transmission rod 5, the threaded rod B27 is rotationally connected to the fixing block 24, and the turning handle B28 is rotationally connected to the fixing block 24, which makes it easier for the threaded rod B27 to rotate and avoids the situation where the threaded rod B27 is stuck by the transmission rod 5 or the fixing block 24 during use, causing the threaded rod B27 to be unable to continue rotating.

[0028] Working principle: When using, first start the motor 4 at the top of the boss 3, so that the motor 4 drives the cutter 6 to rotate at the bottom of the shell 1 through the transmission rod 5, and then hold the push rod 2 to pull it up. At this time, the rotating wheel 13 rotates on the surface of the shell 1 through the mounting block 8 and the rotating rod 7, so as to achieve the effect of moving the bottom shell 1, and the cutter 6 cuts the weeds, and the weeds are collected into the inside of the collection box 18 through the inclined plate 23 under the rapid rotation of the cutter 6. During the movement, the anti-skid pad 16 can improve the anti-skid effect of the rotating wheel 13 to prevent the anti-skid pad 16 from slipping due to dew on the surface of the grass during use. After use, pinch it first Hold the cover plate 22 and pull it upward, so that the cover plate 22 slides upward on the surface of the collection box 18. When the cover plate 22 completely slides out of the top of the collection box 18, then pinch the baffle plate 21 and pull it upward, so that the slider 20 slides upward inside the collection box 18 through the slide groove 19. When the slider 20 completely slides out of the collection box 18 through the slide groove 19 and the baffle plate 21 slides out of the collection box 18, the weeds inside the collection box 18 can be cleaned. When the rotating wheel 13 is damaged after long-term use and needs to be replaced, first pinch the turning handle C33 to rotate it, so that the threaded rod C31 passes through the rotating groove C30 on the side block The inside of the support pad 32 is rotated downward, and when the bottom end of the support pad 32 touches the ground, the threaded rod C31 continues to rotate on the top of the support pad 32, and drives the side block 29 to lift the collection box 18 through the rotating groove C30. At this time, the handle A12 is pinched and rotated to make the threaded rod A11 rotate backward inside the mounting block 8 through the rotating groove A10. When the threaded rod A11 is completely rotated out of the inside of the mounting block 8 through the rotating groove A10, it can be taken out from the inside of the rotating wheel 13 through the mounting groove 14. At this time, the rotating wheel 13 is held and pulled backward, so that the rotating wheel 13 moves backward on the surface of the protrusion 9 through the groove 15. The limiting plate 17 slides backward on the surface of the mounting block 8. When the limiting plate 17 completely slides out of the surface of the mounting block 8, it can be replaced. When the cutting knife 6 is damaged and needs to be replaced, first pinch the turning handle B28 and rotate it to make the threaded rod B27 rotate inside the transmission rod 5 through the rotating groove B26. When the threaded rod B27 completely rotates out of the transmission rod 5 through the rotating groove B26, the fixing block 24 can be pinched and pressed downward to make the fixing block 24 slide downward on the surface of the transmission rod 5 through the sliding groove 25. When the fixing block 24 completely slides out of the surface of the transmission rod 5 through the sliding groove 25, it can be replaced.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A lawn mower with easily replaceable running wheels, comprising a housing (1), characterized in that: A boss (3) is installed at the top of the housing (1), a motor (4) is installed at the top of the boss (3), a transmission rod (5) is installed at the output end of the motor (4), a cutting knife (6) is evenly arranged on the surface of the transmission rod (5), a rotating rod (7) is arranged inside the housing (1), a mounting block (8) is installed on the surface of the rotating rod (7), a threaded rod A (11) is arranged inside the mounting block (8), a turning handle A (12) is installed on the surface of the threaded rod A (11), a rotating wheel (13) is arranged on the surface of the mounting block (8), and the rotating wheel (13) is arranged on the surface of the rotating wheel (13). ) is installed on the back of the outer shell (1), a collecting box (18) is installed on the right side of the outer shell (1), a baffle (21) is arranged inside the collecting box (18), a cover plate (22) is arranged at the top of the collecting box (18), an inclined plate (23) is installed on the left side of the collecting box (18), a side block (29) is installed on the side of the collecting box (18), a threaded rod C (31) is arranged inside the side block (29), a supporting pad (32) is arranged at the bottom end of the threaded rod C (31), and a turning handle C (33) is installed at the top of the threaded rod C (31).

2. The lawn mower with easily replaceable running wheels according to claim 1, characterized in that: A push rod (2) is provided on the surface of the housing (1), the transmission rod (5) is rotatably connected to the boss (3), and the cutting knife (6) is rotatably connected to the housing (1).

3. The lawn mower with easily replaceable running wheels according to claim 1, characterized in that: The surface of the mounting block (8) is evenly distributed with protrusions (9), the surface of the rotating wheel (13) is evenly distributed with grooves (15), the rotating wheel (13) slides on the surface of the protrusions (9) through the grooves (15), and the top of the rotating wheel (13) is evenly distributed with anti-skid pads (16).

4. The lawn mower with easily replaceable running wheels according to claim 1, characterized in that: The threaded rod A (11) rotates inside the mounting block (8) through the rotating groove A (10), and the threaded rod A (11) rotates inside the rotating wheel (13) through the mounting groove (14). The turning handle A (12) is rotationally connected to the rotating wheel (13).

5. The lawn mower with easily replaceable running wheels according to claim 1, characterized in that: A slider (20) is fixedly mounted on the surface of the baffle (21), and the slider (20) slides inside the collection box (18) through a slide groove (19). The baffle (21) and the collection box (18) are slidably connected, and the cover plate (22) and the collection box (18) are slidably connected. The threaded rod C (31) rotates inside the side block (29) through a rotation groove C (30).

6. The lawn mower with easily replaceable running wheels according to claim 1, characterized in that: A fixing block (24) is fixedly mounted on the top of the cutting knife (6), a sliding groove (25) is provided on the top of the fixing block (24), a rotating groove B (26) is provided on the surface of the transmission rod (5), a threaded rod B (27) is rotatably connected inside the rotating groove B (26), and a turning handle B (28) is fixedly mounted on the back of the threaded rod B (27).

7. The lawn mower with easily replaceable running wheels according to claim 6, characterized in that: The fixed block (24) slides on the surface of the transmission rod (5) through the sliding groove (25); the threaded rod B (27) is rotationally connected to the transmission rod (5); the threaded rod B (27) is rotationally connected to the fixed block (24); and the turning handle B (28) is rotationally connected to the fixed block (24).

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