Height-adjustable grass combing machine

Abstract

The utility model relates to the technical field of grass combing machines, and discloses a grass combing machine with adjustable height, which is characterized in that a worm is meshed and connected with a worm gear, the middle part of the worm gear is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a limiting disc, and one side, far away from the worm gear, of the rotating shaft is fixedly connected with a driving motor II; the output end of the second driving motor is fixedly connected with a second transmission shaft, the middle of the second transmission shaft is fixedly connected with a connecting rod, and a second groove is formed in the rotating shaft. According to the grass combing machine, the rotary knob is rotated, the rotating shaft drives the second transmission shaft, the connecting rod and the comb to rotate to adjust the direction, the second driving motor is arranged, the output end of the second driving motor drives the second transmission shaft to rotate, the second transmission shaft drives the connecting rod and the comb to rotate to adjust the angle, and the grass combing machine can rotate to adjust the direction and the angle more conveniently; the convenience of the grass combing machine during working can be effectively improved, the grass combing effect of the grass combing machine is better, and the practicability of the grass combing machine can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to a lawn mower with adjustable height. Background Art

[0002] Today, in the pursuit of high-quality green landscapes, the fine management and maintenance of lawns have become an essential part. As an important tool for lawn maintenance, a lawn mower not only needs to have a powerful weeding ability but also be able to flexibly adapt to the height and density changes of different lawns to achieve personalized lawn maintenance effects.

[0003] The existing technology has the following deficiencies: The traditional lawn mower is not convenient to rotate and adjust the tilt angle, resulting in poor adaptability and weeding effect of the lawn mower. The traditional lawn mower is not convenient to adjust the height, so that the lawn mower cannot be adjusted according to the required height. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a lawn mower with adjustable height.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A lawn mower with adjustable height, including a vehicle board, a fixed block is fixedly connected to the vehicle board, a sliding groove is arranged in the fixed block, a sliding block is slidably connected in the sliding groove, a connecting plate is fixedly connected to the side of the sliding block away from the sliding groove, a limiting plate is fixedly connected to the connecting plate, a worm is rotatably connected to the limiting plate, a connecting shaft is fixedly connected to one side of the worm, a knob is fixedly connected to the side of the connecting shaft away from the worm, the worm is meshed with a worm gear, a rotating shaft is fixedly connected to the middle of the worm gear, a limiting disk is fixedly connected to the rotating shaft, a driving motor two is fixedly connected to the side of the rotating shaft away from the worm gear, a transmission shaft two is fixedly connected to the output end of the driving motor two, a connecting rod is fixedly connected to the middle of the transmission shaft two, and a groove two is arranged on the rotating shaft.

[0006] As a further description of the above technical solution:

[0007] The limiting disk is rotatably connected to the connecting plate, the rotating shaft penetrates and is rotatably connected to the connecting plate, and one side of the connecting rod is arranged in the groove two.

[0008] As a further description of the above technical solution:

[0009] There are two groups of limiting plates and they are symmetrically arranged. The transmission shaft two penetrates and is rotatably connected to the side of the rotating shaft away from the worm gear.

[0010] As a further description of the above technical solution:

[0011] A groove one is provided on the vehicle board. A comb is fixedly connected to the side of the connecting rod away from the transmission shaft two. A push rod is fixedly connected to one side of the vehicle board.

[0012] As a further description of the above technical solution:

[0013] One side of the sliding block disposed in the sliding groove is threadedly connected with a threaded column. A driving motor one is fixedly connected to the vehicle board. The output end of the driving motor one is fixedly connected with a transmission shaft one. A bevel gear one is fixedly connected to the side of the transmission shaft one away from the driving motor one. The bevel gear one is meshed with a bevel gear two. The threaded column is fixedly connected to the middle of the bevel gear two.

[0014] As a further description of the above technical solution:

[0015] The transmission shaft one penetrates and is rotatably connected to one side of the fixed block. The bevel gear two is rotatably connected in the fixed block. Both the bevel gear one and the bevel gear two are disposed in the fixed block. The bevel gear one and the bevel gear two are vertically arranged.

[0016] As a further description of the above technical solution:

[0017] Universal wheels are installed on the lower surface of the vehicle board. There are four groups of universal wheels and they are arranged around the lower surface of the vehicle board.

[0018] The present utility model has the following beneficial effects:

[0019] 1. In the present utility model, by rotating the knob, the rotating shaft drives the transmission shaft two, the connecting rod, and the comb to rotate and adjust the direction. A driving motor two is provided. The output end of the driving motor two drives the transmission shaft two to rotate. The transmission shaft two drives the connecting rod and the comb to rotate and then adjust the angle, making the lawn mower more convenient to rotate and adjust the direction and angle, effectively improving the convenience during the operation of the lawn mower, making the effect better when the lawn mower combs the grass, and effectively improving the practicability of the lawn mower.

[0020] 2. In the present utility model, a driving motor one is provided to make the threaded column rotate, so that the sliding block moves downward along the sliding groove and the threaded column through the limitation of the fixed block. The sliding block drives the connecting plate to move downward. The connecting plate drives the limiting plate, the worm, the worm gear, the rotating shaft, the transmission shaft two, the connecting rod, and the comb to move downward, making the comb move from the groove one to the bottom of the vehicle board, enabling the lawn mower to be adjusted according to the required height, and effectively improving the flexibility during the use of the lawn mower. Description of the Drawings

[0021] Figure 1 Is a schematic three-dimensional structure diagram of a height-adjustable lawn mower proposed by the present utility model Figure 1 ;

[0022] Figure 2 IsFigure 1 Enlarged view at location A;

[0023] Figure 3 Schematic three-dimensional structure of a height-adjustable lawn combing machine proposed by the present utility model Figure 2 ;

[0024] Figure 4 is Figure 3 Enlarged view at location B;

[0025] Figure 5 Schematic partial cross-sectional structure of a height-adjustable lawn combing machine proposed by the present utility model.

[0026] Legend:

[0027] 1. Vehicle board; 2. First groove; 3. Push rod; 4. Fixed block; 5. Slide groove; 6. Slide block; 7. First driving motor; 8. First transmission shaft; 9. First bevel gear; 10. Second bevel gear; 11. Threaded column; 12. Connecting plate; 13. Limiting plate; 14. Worm; 15. Worm gear; 16. Rotating shaft; 17. Limiting disc; 18. Connecting shaft; 19. Knob; 20. Second driving motor; 21. Second groove; 22. Second transmission shaft; 23. Connecting rod; 24. Comb; 25. Universal wheel. Specific implementation mode

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Refer to Figures 1-5, an embodiment provided by the present utility model: a lawn scarifier with adjustable height, including a vehicle board 1, a fixed block 4 is fixedly connected to the vehicle board 1, a chute 5 is arranged inside the fixed block 4, a sliding block 6 is slidably connected inside the chute 5, a connecting plate 12 is fixedly connected to the side of the sliding block 6 away from the chute 5, a limiting plate 13 is fixedly connected to the connecting plate 12, a worm 14 is rotatably connected to the limiting plate 13, a connecting shaft 18 is fixedly connected to one side of the worm 14, a knob 19 is fixedly connected to the side of the connecting shaft 18 away from the worm 14, a worm gear 15 is meshed with the worm 14, a rotating shaft 16 is fixedly connected to the middle of the worm gear 15, a limiting disk 17 is fixedly connected to the rotating shaft 16, a driving motor two 20 is fixedly connected to the side of the rotating shaft 16 away from the worm gear 15, an output end of the driving motor two 20 is fixedly connected to a transmission shaft two 22, a connecting rod 23 is fixedly connected to the middle of the transmission shaft two 22, a groove two 21 is arranged on the rotating shaft 16, the limiting disk 17 is rotatably connected to the connecting plate 12, the rotating shaft 16 penetrates and is rotatably connected to the connecting plate 12, one side of the connecting rod 23 is arranged inside the groove two 21, two groups of limiting plates 13 are arranged and are symmetrically arranged, the transmission shaft two 22 penetrates and is rotatably connected to the side of the rotating shaft 16 away from the worm gear 15, rotate the knob 19, the knob 19 drives the connecting shaft 18 to rotate, the connecting shaft 18 drives the worm 14 to rotate along the limiting plate 13, the worm 14 drives the worm gear 15 to rotate, the worm gear 15 drives the rotating shaft 16 to rotate along the connecting plate 12, the rotating shaft 16 drives the transmission shaft two 22, the connecting rod 23, and the comb 24 to rotate and adjust the direction. Set the driving motor two 20, the output end of the driving motor two 20 drives the transmission shaft two 22 to rotate, the transmission shaft two 22 drives the connecting rod 23 and the comb 24 to rotate and then adjust the angle, making the lawn scarifier more convenient to rotate and adjust the direction and angle, effectively improving the convenience during the operation of the lawn scarifier, making the effect better when the lawn scarifier scarifies the lawn, and effectively improving the practicability of the lawn scarifier.

[0030] A groove 2 is provided on the vehicle plate 1. A comb 24 is fixedly connected to one side of the connecting rod 23 away from the second transmission shaft 22. A push rod 3 is fixedly connected to one side of the vehicle plate 1. A threaded column 11 is threadedly connected to one side of the sliding block 6 arranged inside the chute 5. A first driving motor 7 is fixedly connected to the vehicle plate 1. The output end of the first driving motor 7 is fixedly connected to a first transmission shaft 8. A first bevel gear 9 is fixedly connected to one side of the first transmission shaft 8 away from the first driving motor 7. The first bevel gear 9 is meshed with a second bevel gear 10. The threaded column 11 is fixedly connected to the middle of the second bevel gear 10. The first transmission shaft 8 penetrates and is rotatably connected to one side of the fixed block 4. The second bevel gear 10 is rotatably connected inside the fixed block 4. Both the first bevel gear 9 and the second bevel gear 10 are arranged inside the fixed block 4. The first bevel gear 9 and the second bevel gear 10 are vertically arranged. Universal wheels 25 are installed on the lower surface of the vehicle plate 1. There are four groups of universal wheels 25 and they are arranged around the lower surface of the vehicle plate 1. When the height needs to be adjusted, the first driving motor 7 is set. The output end of the first driving motor 7 drives the first transmission shaft 8 to rotate. The first transmission shaft 8 drives the first bevel gear 9 to rotate along the fixed block 4. The first bevel gear 9 drives the second bevel gear 10 to rotate. The second bevel gear 10 drives the threaded column 11 to rotate. The rotation of the threaded column 11 causes the sliding block 6 to move downward along the chute 5 and the threaded column 11 by the limitation of the fixed block 4. The sliding block 6 drives the connecting plate 12 to move downward. The connecting plate 12 drives the limiting plate 13, the worm 14, the worm gear 15, the rotating shaft 16, the second transmission shaft 22, the connecting rod 23, and the comb 24 to move downward so that the comb 24 moves from the groove 2 to the bottom of the vehicle plate 1, enabling the lawn rake to be adjusted according to the required height and effectively improving the flexibility of the lawn rake during use.

[0031] Working principle: When the height needs to be adjusted, drive motor 1 7 is set. The output end of drive motor 1 7 drives transmission shaft 1 8 to rotate. Transmission shaft 1 8 drives bevel gear 1 9 to rotate along fixed block 4. Bevel gear 1 9 drives bevel gear 2 10 to rotate. Bevel gear 2 10 drives threaded column 1 1 to rotate. The rotation of threaded column 1 1 causes sliding block 6 to move downward along chute 5 and threaded column 1 1 under the limitation of fixed block 4. Sliding block 6 drives connecting plate 1 2 to move downward. Connecting plate 1 2 drives limiting plate 1 3, worm 1 4, worm gear 1 5, rotating shaft 1 6, transmission shaft 2 22, connecting rod 2 3, and comb 2 4 to move downward, so that comb 2 4 moves from groove 1 2 to the bottom of vehicle plate 1, enabling the lawn mower to be adjusted according to the required height, effectively improving the flexibility of the lawn mower during use. Rotate knob 1 9. Knob 1 9 drives connecting shaft 1 8 to rotate. Connecting shaft 1 8 drives worm 1 4 to rotate along limiting plate 1 3. Worm 1 4 drives worm gear 1 5 to rotate. Worm gear 1 5 drives rotating shaft 1 6 to rotate along connecting plate 1 2. Rotating shaft 1 6 drives transmission shaft 2 22, connecting rod 2 3, and comb 2 4 to rotate to adjust the direction. Set drive motor 2 20. The output end of drive motor 2 20 drives transmission shaft 2 22 to rotate. Transmission shaft 2 22 drives connecting rod 2 3 and comb 2 4 to rotate to adjust the angle, making the lawn mower more convenient to rotate and adjust the direction and angle, effectively improving the convenience of the lawn mower during operation, making the effect of the lawn mower better during lawn mowing, and effectively improving the practicability of the lawn mower.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A height-adjustable lawn combing machine, comprising a vehicle plate (1), characterized in that: A fixed block (4) is fixedly connected to the vehicle board (1). A sliding groove (5) is provided in the fixed block (4). A sliding block (6) is slidably connected in the sliding groove (5). A connecting plate (12) is fixedly connected to the side of the sliding block (6) away from the sliding groove (5). A limiting plate (13) is fixedly connected to the connecting plate (12). A worm (14) is rotatably connected to the limiting plate (13). A connecting shaft (18) is fixedly connected to one side of the worm (14). A knob (19) is fixedly connected to the side of the connecting shaft (18) away from the worm (14). The worm (14) is meshed with a worm wheel (15). A rotating shaft (16) is fixedly connected to the middle of the worm wheel (15). A limiting disk (17) is fixedly connected to the rotating shaft (16). A second driving motor (20) is fixedly connected to the side of the rotating shaft (16) away from the worm wheel (15). A second transmission shaft (22) is fixedly connected to the output end of the second driving motor (20). A connecting rod (23) is fixedly connected to the middle of the second transmission shaft (22). A second groove (21) is provided on the rotating shaft (16).

2. The adjustable-height lawn rake according to claim 1, wherein: The limiting disk (17) is rotatably connected to the connecting plate (12). The rotating shaft (16) passes through and is rotatably connected to the connecting plate (12). One side of the connecting rod (23) is arranged in the second groove (21).

3. The adjustable-height lawn raker according to claim 1, wherein: There are two groups of the limiting plates (13) and they are symmetrically arranged. The second transmission shaft (22) passes through and is rotatably connected to the side of the rotating shaft (16) away from the worm wheel (15).

4. A lawn combing machine with adjustable height according to claim 1, characterized in that: A first groove (2) is provided on the vehicle board (1). A comb (24) is fixedly connected to the side of the connecting rod (23) away from the second transmission shaft (22). A push rod (3) is fixedly connected to one side of the vehicle board (1).

5. The adjustable-height lawn-combing machine according to claim 1, wherein: One side of the sliding block (6) arranged in the sliding groove (5) is threadedly connected to a threaded column (11). A first driving motor (7) is fixedly connected to the vehicle board (1). A first transmission shaft (8) is fixedly connected to the output end of the first driving motor (7). A first bevel gear (9) is fixedly connected to the side of the first transmission shaft (8) away from the first driving motor (7). The first bevel gear (9) is meshed with a second bevel gear (10). The threaded column (11) is fixedly connected to the middle of the second bevel gear (10).

6. The adjustable-height lawn raker according to claim 5, characterized in that: The first transmission shaft (8) passes through and is rotatably connected to one side of the fixed block (4). The second bevel gear (10) is rotatably connected in the fixed block (4). Both the first bevel gear (9) and the second bevel gear (10) are arranged in the fixed block (4). The first bevel gear (9) and the second bevel gear (10) are vertically arranged.

7. The adjustable-height lawn raker according to claim 1, wherein: Universal wheels (25) are installed on the lower surface of the vehicle board (1). There are four groups of the universal wheels (25) and they are arranged around the lower surface of the vehicle board (1).

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