Lawn trimmer

Abstract

The utility model discloses a lawn trimmer which comprises a support, a trimming cutter head is arranged on the support, the height of the trimming cutter head on the support is adjustable, the trimming cutter head comprises an upper sawtooth-shaped blade and a lower sawtooth-shaped blade, the upper blade can move left and right relative to the lower blade to cut a lawn, and a scraping device is arranged above the trimming cutter head and connected with the support. The scraping device is provided with a transmission belt, the transmission direction of the transmission belt is parallel to the cutting direction of the blade, and a scraping plate is arranged on the transmission belt, so that after the lawn is trimmed by the trimming cutter head, the transmission belt drives the scraping plate to scrape the cut lawn into the collecting box. The guide wheel and the adjustable fixing rod are arranged at the bottom, so that one-hand operation is facilitated; the mowing height of the lawn grass can be controlled to be uniform by adjusting the length of the fixing rod, and the impression of the mowed lawn grass is consistent; and a recycling mechanism is arranged, so that the trimmed grass clippings can be recycled, and the cyclic utilization of resources can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowing, in particular to a lawn mower. Technical Background

[0002] At present, lawn grass mowing equipment mainly focuses on outdoor large-area lawn mowing conditions or outdoor large-area weed cleaning. Due to the size of the space, equipment used for outdoor large-area conditions cannot be used in indoor small areas or plant factory conditions, and manual mowing is time-consuming and labor-intensive. Therefore, there is an urgent need for a lawn grass mowing equipment suitable for small spaces in production. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a lawn mower designed for small space working conditions such as indoors and in plant factories. The machine is compact and easy to operate, and is suitable for working in small space environments.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a lawn mower, including a bracket, a pulley is arranged at the bottom of the bracket, a pruning head is arranged on the bracket, the pruning head includes upper and lower serrated blades, the upper blade can be moved laterally relative to the lower blade to cut the lawn, above the pruning head, a scraping device is connected to the bracket, the scraping device has a transmission belt, the transmission direction of the transmission belt is parallel to the cutting direction of the blade, a scraper is arranged on the transmission belt, so that after the pruning head trims the lawn, the transmission belt drives the scraper to scrape the cut lawn into a collection box, and a power device for driving the upper blade to move laterally is arranged at the rear end of the bracket.

[0005] Furthermore, the bracket has a retractable supporting leg, and a pulley is connected to the bottom of the supporting leg.

[0006] Furthermore, the supporting leg includes a fixing part connected to the bracket, and an adjusting part plugged into the fixing part, the adjusting part is provided with an adjusting hole, the fixing part is provided with a fixing hole, and also includes a pin, which is inserted into the adjusting hole and the fixing hole.

[0007] Furthermore, the trimming head also includes a cutter head frame, the lower blade is fixed on the cutter head frame, and the upper blade is slidably connected to the lower blade.

[0008] Furthermore, a fixing hole is provided on the lower blade, a limiting column is provided on the cutter head frame, and a strip-shaped limiting hole is provided on the upper blade. The fixing hole and the limiting hole are adapted to the limiting column, and the free end of the limiting column is connected via a fixing cap.

[0009] Furthermore, a strip-shaped groove is arranged at the tail end of the upper blade, and the power device comprises a crankshaft embedded in the strip-shaped groove, and the other end of the crankshaft is connected to a reduction motor.

[0010] Furthermore, the reduction motor includes a motor, a reduction gear set and a battery. The motor has an output shaft. One end of the reduction gear set is connected to the output shaft of the motor, and the other end of the reduction gear set is connected to the crankshaft.

[0011] Furthermore, the scraping device includes a support frame connected to the bracket, the support frame is located above the pruning head, a guide wheel is provided at one end of the support frame, and a driving wheel is provided at the other end of the support frame. The guide wheel and the driving wheel are connected by a transmission belt, and multiple scrapers are provided and connected to the transmission belt.

[0012] Furthermore, the driving wheel is a motorized roller.

[0013] Furthermore, the side and top of the collecting box are provided with openings, the collecting box is connected to the bracket, and the opening of the side is located at the end of the length direction of the pruning head.

[0014] Compared with the prior art, the advantages of the present invention are as follows: the present invention is specially designed for small space working conditions such as indoors and plant factories. The machine is small and easy to operate, and is suitable for working in small space environments. Secondly, the present invention is provided with a guide wheel and an adjustable fixed rod, which is convenient for handheld operation. The lawn grass trimming height can be controlled by adjusting the length of the fixed rod to ensure a consistent look and feel after lawn grass trimming. In addition, the present invention is also provided with a recycling mechanism, which can recycle and reuse the trimmed grass clippings, thereby realizing the recycling of resources.

[0015] The lawn mower is small and light, with a guide wheel and an adjustable fixed rod at the bottom for easy one-handed operation. The lawn grass trimming height can be controlled to be uniform by adjusting the length of the fixed rod to ensure a consistent look and feel after trimming the lawn grass. A recycling mechanism is provided to recycle the trimmed grass clippings for reuse, thereby realizing the recycling of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structural diagram of the utility model;

[0017] Figure 2 Schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 A schematic diagram of the structure of the middle and lower blades of the utility model;

[0019] Figure 4 A schematic diagram of the structure of the middle and upper blades of the utility model;

[0020] Figure 5 Schematic diagram of the crankshaft structure in the utility model;

[0021] Figure 6A schematic diagram of the structure of the collecting mechanism in the utility model;

[0022] Figure 7 for Figure 2 Schematic diagram of the local structure;

[0023] In the above figures: 1. bracket; 11. supporting leg; 111. fixing part; 112. adjusting part; 12. pulley; 2. trimming head; 21. lower blade; 22. upper blade; 23. cutter head frame; 211. fixing hole; 221. limiting hole; 231. limiting column; 3. crankshaft; 4. scraping device; 41. transmission belt; 42. electric roller; 43. scraper; 44. collecting box; 45. power device. DETAILED DESCRIPTION

[0024] The present invention is described in detail below by way of exemplary embodiments. However, it should be understood that, without further description, elements, structures and features in one embodiment may also be beneficially combined in other embodiments.

[0025] A lawn mower, see Figures 1 to 7 , comprising a bracket 1, the bracket 1 having a retractable support leg 11, specifically, the support leg 11 comprises a support leg 111 connected to the bracket 1, and an adjustment portion 112 plugged into the support leg 111, the adjustment portion 112 is provided with an adjustment hole, the support leg 111 is provided with a fixing hole 211, and further comprising a latch, the latch being inserted into the adjustment hole and the fixing hole 211;

[0026] A pulley 12 is provided at the bottom of the bracket 1, and the pulley 12 is specifically connected to the bottom of the supporting leg 11;

[0027] A pruning head 2 is arranged on the bracket 1. The pruning head 2 includes two upper and lower sawtooth blades and a blade frame 23. The upper blade 22 can move laterally relative to the lower blade 21 to cut the lawn. The lower blade 21 is fixed on the blade frame 23. The upper blade 22 and the lower blade 21 are slidably connected above the pruning head 2.

[0028] Specifically, the lower blade 21 is provided with a fixing hole 211, the cutter head frame 23 is provided with a limiting column 231, and the upper blade 22 is provided with a strip-shaped limiting hole 231. The fixing hole 211 and the limiting hole 231 are sleeved on the limiting column 231, and the free end of the limiting column 231 is connected by a fixing cap, and the tail end of the upper blade 22 is provided with a strip-shaped groove;

[0029] A scraping device 4 is connected to the bracket 1, and the scraping device 4 includes a support frame connected to the bracket 1, a transmission belt 41 and a collection box 44. The support frame is located above the pruning head 2. A guide wheel is provided at one end of the support frame, and a driving wheel is provided at the other end. Specifically, the driving wheel is an electric roller 42. The guide wheel and the driving wheel are connected through a transmission belt 41. A plurality of scrapers 43 are provided, which are connected to the transmission belt 41. The transmission direction of the transmission belt 41 is parallel to the cutting direction of the blade. The transmission belt 41 is provided with a scraper 43, so that after the pruning head 2 trims the lawn, the transmission belt 41 drives the scraper 43 to scrape the cut lawn into the collection box 44. Specifically, the side and top of the collection box 44 are provided with openings. The collection box 44 is connected to the bracket 1, and the opening of the side is located at the end of the length direction of the pruning head 2.

[0030] A power device 45 for driving the upper blade 22 to move laterally is arranged at the rear end of the bracket 1, and the power device 45 includes a crankshaft 3 embedded in the strip groove, and the other end of the crankshaft 3 is connected to a reduction motor. Specifically, the reduction motor includes a motor, a reduction gear set and a battery, and the motor has an output shaft, one end of the reduction gear set is connected to the output shaft of the motor, and the other end of the reduction gear set is connected to the crankshaft 3.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A lawn mower, characterized in that: The utility model comprises a bracket, a pulley is arranged at the bottom of the bracket, a pruning head is arranged on the bracket, the pruning head comprises an upper and a lower serrated blade, the upper blade can be moved laterally relative to the lower blade to cut the lawn, a scraping device is connected to the bracket above the pruning head, the scraping device has a transmission belt, the transmission direction of the transmission belt is parallel to the cutting direction of the blade, a scraper is arranged on the transmission belt, so that after the pruning head trims the lawn, the transmission belt drives the scraper to scrape the cut lawn into a collection box, and a power device for driving the upper blade to move laterally is arranged at the rear end of the bracket.

2. A lawn mower according to claim 1, characterized in that: The bracket has a telescopic supporting leg, and a pulley is connected to the bottom of the supporting leg.

3. A lawn mower according to claim 2, characterized in that: The supporting leg includes a fixing part connected to the bracket and an adjusting part plugged into the fixing part, the adjusting part is provided with an adjusting hole, the fixing part is provided with a fixing hole, and also includes a pin inserted into the adjusting hole and the fixing hole.

4. A lawn mower according to claim 1, characterized in that: The trimming head also includes a cutter head frame, the lower blade is fixed on the cutter head frame, and the upper blade is slidably connected to the lower blade.

5. A lawn mower according to claim 4, characterized in that: The lower blade is provided with a fixing hole, the cutter head frame is provided with a limiting column, and the upper blade is provided with a strip-shaped limiting hole. The fixing hole and the limiting hole are adapted to the limiting column, and the free end of the limiting column is connected via a fixing cap.

6. A lawn mower according to claim 5, characterized in that: A strip-shaped groove is arranged at the tail end of the upper blade, and the power device comprises a crankshaft embedded in the strip-shaped groove, and the other end of the crankshaft is connected to a reduction motor.

7. A lawn mower according to claim 6, characterized in that: The reduction motor comprises a motor, a reduction gear set and a battery. The motor has an output shaft. One end of the reduction gear set is connected to the output shaft of the motor, and the other end of the reduction gear set is connected to the crankshaft.

8. A lawn mower according to claim 1, characterized in that: The scraping device includes a support frame connected to the bracket, the support frame is located above the pruning head, a guide wheel is arranged at one end of the support frame, and a driving wheel is arranged at the other end of the support frame. The guide wheel and the driving wheel are connected by a transmission belt, and a plurality of scrapers are arranged and connected to the transmission belt.

9. A lawn mower according to claim 8, characterized in that: The driving wheel is a motorized roller.

10. A lawn mower according to claim 8, characterized in that: The side and top of the collecting box are provided with openings. The collecting box is connected to the bracket, and the opening of the side is located at the end of the trimming head in the length direction.

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