Lawn trimmer

Abstract

The utility model belongs to the field of garden beautification, and particularly relates to a lawn trimmer which comprises a box body, the interior of the box body is hollow, a box body cover plate is installed on the upper surface of the box body in an inserted mode, a storage battery pack and a motor are placed in the box body, and a separation baffle is detachably installed at the front end of the box body. The rotary cutting assembly is fixedly mounted at the bottom of the box body; the first supporting keel is fixedly connected to the tail end of the box body, and the first supporting keel is sleeved with the collecting bag; the air suction pump is fixedly mounted at the tail end of the bottom of the box body; in order to facilitate the use of workers and improve the working efficiency, clustered green plants can be separated through a separation driving lever arranged on a separation baffle, and sundries can be blocked, so that the damage to the rotary cutting assembly is reduced while the cutting efficiency is improved; in addition, the separation baffles of different models can be replaced according to the density of grasslands of different sites, and the site adaptability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of landscaping, especially relates to a lawn trimmer. BACKGROUND

[0002] Lawn and grassland are widely used in gardens, urban greening and sports grounds. As a natural green cover, grassland helps to slow down water flow, prevent soil erosion and improve soil water retention. In addition, lawns can absorb carbon dioxide and release oxygen, improving air quality and playing a positive role in improving urban environment. In leisure and sports activities, lawns also provide an ideal venue.

[0003] In order to maintain the appearance and function of the lawn, first of all, regular pruning helps to control the height and shape of the lawn, maintain the overall landscape effect. Secondly, it can also promote the growth of lawn vegetation to be more lush and uniform, help to improve the durability of the lawn, reduce the breeding of pests and diseases, and thus prolong the life of the lawn.

[0004] However, the traditional manual pruning method has a series of disadvantages. First of all, manual pruning requires a lot of manpower, time and effort, and is low in efficiency. Secondly, manual operation will be affected by individual differences, and the neatness of pruning is difficult to guarantee. Moreover, manual pruning costs are high, involving the cost of hiring workers, time and maintenance tools. SUMMARY

[0005] (I) Technical problems solved

[0006] The utility model provides a lawn trimmer for solving the problems of manual pruning requiring a lot of manpower, time and effort, low efficiency and high maintenance cost, and manual operation being affected by individual differences and the neatness of pruning being difficult to guarantee. (II) Contents of the utility model

[0008] The utility model provides a lawn trimmer, which can effectively solve the above problems, and the specific scheme is as follows: a lawn trimmer, comprising a box body, the box body is hollow, and a box cover is connected to the upper surface of the box body, a battery pack and a motor are arranged in the box body, and a separation baffle is detachably arranged at the front end of the box body and used for separating the green plants into groups;

[0009] Further comprising a rotary cutting assembly for cutting green plants, which is fixedly installed at the bottom of the box body;

[0010] A first support joist is fixedly connected to the end of the box body, and a collecting bag is sleeved on the first support joist;

[0011] An air suction pump is fixedly installed at the bottom end of the box body and used for sucking the cut green plants.

[0012] Further, the upper surface of the box is provided with a plurality of alignment installation grooves, the lower surface of the box cover plate is provided with a plurality of insertion strips, the insertion strips are matched with the alignment installation grooves, and the upper surface of the box cover plate is provided with a hidden pull assembly.

[0013] Further, the hidden pull assembly comprises a placing groove and a handle, and the placing groove and the handle are rotatably connected through a pin shaft.

[0014] Further, the separation baffle is equidistantly provided with a plurality of separation levers, and the separation levers are outwardly inclined.

[0015] Further, the rotating cutting assembly comprises a clamping sleeve, a rotating shaft, a shaft disc, a first shaft sleeve and a rotating cutting blade, the top of the rotating shaft extends to the hollow area through the bottom of the box, a plurality of alignment sliding grooves are circumferentially formed on the rotating shaft, a plurality of alignment sliding strips are formed on the inner surface of the clamping sleeve, the alignment sliding grooves are matched with the alignment sliding strips, the rotating shaft is inserted into the inner surface of the clamping sleeve, and a distance is left between the upper surface of the rotating shaft and the inner surface of the clamping sleeve, the shaft disc is sleeved on the outer surface of the rotating shaft, the upper surface of the shaft disc is fixedly connected to the bottom of the box, the lower part of the rotating shaft is sleeved with the first shaft sleeve and the cutting blade, the cutting blade is clamped and fixed to the lower surface of the first shaft sleeve, the shaft disc and the first shaft sleeve are fixedly connected with a compression spring, the bottom end of the rotating shaft is provided with a threaded part and is threadedly connected with an adjusting cover, and the upper surface of the adjusting cover abuts against the lower surface of the cutting blade.

[0016] Further, a plurality of telescopic clamping blocks are circumferentially formed on the outer surface of the clamping sleeve, a plurality of clamping grooves are circumferentially formed on the inner surface of the motor, the clamping blocks are matched with the clamping grooves, and the clamping sleeve is inserted into the rotating shaft of the motor.

[0017] Further, the box is internally provided with a mounting portion, the battery pack is detachably mounted in the mounting portion, the side of the box is provided with a charging port, the battery pack is electrically connected with the motor and the charging port respectively, and the rear of the mounting portion is provided with a storage portion.

[0018] Further, the bottom of the box is fixedly connected with a first supporting piece in a symmetrical mode, the first supporting piece is rotatably connected with a first rotating shaft, the first rotating shaft is rotatably connected with a first rotating wheel, the two sides of the first supporting piece and the first rotating wheel are fixedly connected with a second shaft sleeve, the bottom of the box is also fixedly connected with a second supporting piece in a symmetrical mode, the second supporting piece is commonly connected with a second rotating shaft, the two sides of the second rotating shaft are rotatably connected with a second rotating wheel, and the two sides of the second supporting piece and the second rotating wheel are fixedly connected with a third shaft sleeve.

[0019] Further, the two ends of the first support keel are fixedly connected to the bottom end of the box body, support plates are fixedly connected between the first support keels, a second support keel is arranged above the first support keels, the two ends of the second support keel are fixedly connected to the rear side of the box body, the collecting bag is sleeved on the outer surfaces of the first support keel and the second support keel, a handle frame is arranged above the second support keel, and the two ends of the handle frame are flat and fixedly connected to the two sides of the box body by bolts.

[0020] Further, the air suction pump is detachably fixedly installed on the support plate, the upper surface of the air suction pump abuts against the bottom of the box body, the air inlet port of the air suction pump faces the rotary cutting assembly, and the air outlet port is in communication with the collecting bag.

[0021] (Three) beneficial effects

[0022] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0023] I. In order to facilitate the use of the staff and improve the work efficiency, the separated green plants can be separated by the separation lever arranged on the separation baffle, and the sundries can be blocked, the cutting efficiency is improved, the damage to the rotary cutting assembly is reduced, and different types of separation baffles can be replaced according to the density of different grasslands, and the site adaptability is improved.

[0024] II. The lawn pruning should follow the 1 / 3 principle, in order to facilitate the height adjustment, the rotary shaft can slide up and down in the inner part of the clamping sleeve through the alignment slide arranged on the inner surface of the clamping sleeve, the clamping block arranged on the outer surface of the clamping sleeve can be clamped on the output shaft of the motor, the disassembly and maintenance work is facilitated, the maintenance cost is reduced, the contact areas of the clamping sleeve, the rotary shaft and the motor are coated with lubricating oil, the rotary shaft is limited and oil sealing is realized through the shaft disc arranged on the rotary shaft, the cutting height of the cutting blade is adjusted by replacing the adjusting cover of different heights, the cutting blade is clamped with the cutting knife together through the first shaft sleeve, and the harm to the staff caused by the falling of the cutting blade can be avoided under the action of the spring tension.

[0025] III. The first support keel and the second support keel can maximize the expansion of the collecting bag, increase the storage capacity, and the cut grass is sucked into the collecting bag through the air inlet port of the air suction pump and released into the collecting bag through the air outlet port. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole three-dimensional schematic view in the utility model;

[0027] Figure 2 This is a three-dimensional schematic diagram of the entire structure after the collection bag is removed in this utility model;

[0028] Figure 3 This is a three-dimensional schematic diagram of the entire invention after removing the collection bag, box cover, handle and pin.

[0029] Figure 4 This is a three-dimensional schematic diagram of the interior of the box;

[0030] Figure 5 An exploded view of the box cover, handle, and pin.

[0031] Figure 6 An exploded view of the rotary cutting assembly and its motor.

[0032] In the diagram: 1. Housing; 2. Housing cover; 3. Battery pack; 4. Motor; 5. Separation baffle; 6. First support keel; 7. Collection bag; 8. Suction pump; 9. Alignment mounting slot; 10. Connecting strip; 11. Component slot; 12. Handle; 13. Separation lever; 14. Snap-fit ​​sleeve; 15. Rotating shaft; 16. Shaft disc; 17. First shaft sleeve; 18. Cutting blade; 19. Alignment slide; 20. Alignment slide 21. Compression spring; 22. Adjusting cover; 23. Snap-fit ​​block; 24. Snap-fit ​​groove; 25. Mounting part; 26. Charging port; 27. Storage part; 28. First support member; 29. ​​First rotating shaft; 30. Second bushing; 31. Second support member; 32. Second rotating shaft; 33. Second rotating wheel; 34. Third bushing; 35. Second support keel; 36. Handle bracket; 37. Support plate; 38. First rotating wheel. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1

[0035] like Figures 1-6 As shown, a lawn mower includes a housing 1, which is hollow inside and has a housing cover 2 inserted into its upper surface. A battery pack 3 and a motor 4 are placed inside the housing 1. A separation baffle 5 is detachably installed at the front end of the housing 1 for separating clumps of green plants.

[0036] It also includes a rotary cutting assembly for cutting green plants, which is fixedly installed at the bottom of the housing 1;

[0037] The first support keel 6 is fixedly connected to the end of the box body 1, and the collecting bag 7 is sleeved on the first support keel 6;

[0038] The air suction pump 8 is used for sucking the cut green plants, and is fixedly installed at the bottom end of the box body 1;

[0039] Further, a plurality of positioning installation grooves 9 are formed in the upper surface of the box body 1, the lower surface of the box cover plate 2 is provided with a plurality of plug-in strips 10, the plug-in strips 10 are matched with the positioning installation grooves 9, and the upper surface of the box cover plate 2 is provided with a hidden pull assembly;

[0040] Further, the hidden pull assembly comprises a component groove 11 and a handle 12, the component groove 11 and the handle 12 are rotatably connected through a pin shaft, the handle 12 is matched with the component groove 11, and the handle 12 is matched with the component groove 11.

[0041] Further, the separation baffle 5 is provided with a plurality of separation push rods 13 at equal intervals, and the separation push rods 13 are outwardly inclined.

[0042] In order to facilitate the use of staff and improve work efficiency, in the embodiment, the separation push rods 13 provided on the separation baffle 5 can separate the green plants that can be formed into a group, and can block the sundries, improve the cutting efficiency, reduce the damage to the rotary cutting assembly, and can also replace different models of separation baffles 5 according to the density of different grasslands, improve the site adaptability, the rotary cutting assembly cuts the separated green plants, and the air suction pump 8 can suck the cut green plants and release them to the collecting bag 7 for storage.

[0043] Embodiment 2

[0044] As Figures 1-6As shown, the embodiment is improved on the basis of embodiment 1 as follows: further, the rotary cutting assembly includes a clamping sleeve 14, a rotating shaft 15, a shaft disc 16, a first shaft sleeve 17 and a rotary cutting blade 18, the top of the rotating shaft 15 extends to the hollow area through the bottom of the box body 1, a plurality of positioning sliding grooves 19 are circumferentially formed on the rotating shaft 15, a plurality of positioning sliding strips 20 are arranged on the inner surface of the clamping sleeve 14, the positioning sliding grooves 19 are matched with the positioning sliding strips 20, the rotating shaft 15 is inserted into the inner surface of the clamping sleeve 14 and a distance is left between the upper surface of the rotating shaft 15 and the inner surface of the clamping sleeve 14, so as to facilitate the upward or downward movement of the rotating shaft 15, the shaft disc 16 is sleeved on the outer surface of the rotating shaft 15, the upper surface of the shaft disc 16 is fixedly connected to the bottom of the box body 1, the lower part of the rotating shaft 15 is sleeved with the first shaft sleeve 17 and the cutting blade 18, the cutting blade 18 is clamped and fixed to the lower surface of the first shaft sleeve 17, so as to facilitate disassembly and replacement of different types of cutting blades 18, the compression spring 21 is fixedly connected between the shaft disc 16 and the first shaft sleeve 17, the bottom end of the rotating shaft 15 is provided with a threaded portion and is threadedly connected with an adjusting cover 22, and the upper surface of the adjusting cover 22 abuts against the lower surface of the cutting blade 18.

[0045] Further, a plurality of telescopic clamping blocks 23 are circumferentially arranged on the outer surface of the clamping sleeve 14, and a plurality of clamping grooves 24 are circumferentially arranged on the inner surface of the motor 4, the clamping blocks 23 are matched with the clamping grooves 24, and the clamping sleeve 14 is inserted into the rotating shaft of the motor 4.

[0046] The lawn trimming should follow the 1 / 3 principle. In order to facilitate height adjustment, in the embodiment, the rotating shaft 15 can slide up and down in the clamping sleeve 14 through the positioning sliding strips 20 arranged on the inner surface of the clamping sleeve 14, and the clamping blocks 23 arranged on the outer surface of the clamping sleeve 14 can be clamped on the output shaft of the motor 4, so as to facilitate subsequent disassembly and maintenance work. The contact areas of the clamping sleeve 14, the rotating shaft 15 and the motor 4 are coated with lubricating oil. The shaft disc 16 arranged on the rotating shaft 15 can limit the rotating shaft 15 and play the role of oil seal. The cutting height of the cutting blade 18 is adjusted by replacing the adjusting cover 22 of different heights. The compression spring 21 arranged between the shaft disc 16 and the first shaft sleeve 17 buffers the cutting blade 18. When the adjusting cover 22 is replaced, the first shaft sleeve 17 and the cutting blade are clamped together and can avoid injury to the worker due to the falling of the cutting blade 18 under the action of the spring tension.

[0047] Embodiment 3

[0048] As Figures 1-6As shown, the embodiment is improved on the basis of Embodiment 1 as follows: further, the inside of the box 1 is provided with a mounting portion 25, the battery pack 3 is detachably mounted in the mounting portion 25, the side of the box 1 is provided with a charging port 26, and the device can be directly charged after work without disassembly, the battery pack 3 is electrically connected with the motor 4 and the charging port 26 respectively, the rear of the mounting portion 25 is provided with a storage portion 27 for storing articles and parts;

[0049] Further, the bottom of the box 1 is fixedly connected with a first support 28 in a symmetrical manner, the first support 28 is rotatably connected with a first rotating shaft 29, the first rotating shaft 29 is rotatably connected with a first rotating wheel 38, the two sides of the first support 28 and the first rotating wheel 38 are fixedly connected with a second shaft sleeve 30, the bottom of the box 1 is also fixedly connected with a second support 31 in a symmetrical manner, the second support 31 is commonly connected with a second rotating shaft 32, the two sides of the second rotating shaft 32 are rotatably connected with a second rotating wheel 33, and the two sides of the second support 31 and the second rotating wheel 33 are fixedly connected with a third shaft sleeve 34.

[0050] Further, the two ends of the first support joist 6 are fixedly connected to the bottom end of the box 1, the first support joist 6 is fixedly connected with a support plate 37, the upper side of the first support joist 6 is provided with a second support joist 35, the two ends of the second support joist 35 are fixedly connected to the rear side of the box 1, the collecting bag 7 is sleeved on the outer surface of the first support joist 6 and the second support joist 35, and the upper side of the second support joist 35 is provided with a handle frame 36, the two ends of the handle frame 36 are flat and fixedly connected to the two sides of the box 1 by bolts.

[0051] Further, the air suction pump 8 is detachably fixedly installed on the support plate 37, the upper surface of the air suction pump 8 abuts against the bottom of the box 1, the air inlet port of the air suction pump 8 faces the rotary cutting assembly, and the air outlet port is in communication with the collecting bag 7.

[0052] In this embodiment, the first support joist 6 and the second support joist 35 are arranged to maximize the expansion of the collecting bag 7, thereby increasing the storage volume, and the air suction pump 8 is arranged to suck the cut grass into the collecting bag 7 through the air outlet port.

[0053] In summary, the working process of the utility model is as follows: in the working process, the green plants that can form a group are separated by the separating lever 13 arranged on the separating baffle 5, and the sundries are blocked, so that the cutting efficiency is improved, the damage to the rotary cutting assembly is reduced, different models of separating baffles 5 can be replaced according to the density of different grasslands, the site adaptability is improved, the lawn trimming should follow the 1 / 3 principle, in order to conveniently adjust the height, the cutting height of the cutting blade 18 is adjusted by replacing the adjusting cover 22 with different heights in the using process, the cutting blade 18 is buffered by the compression spring 21 arranged between the shaft disc 16 and the first shaft sleeve 17, when the adjusting cover 22 is replaced, the first shaft sleeve 17 is clamped with the cutting blade, and under the action of the spring tension, the damage to the workers caused by the falling of the cutting blade 18 can be avoided, the rotary shaft 15 can slide up and down in the inside of the clamping sleeve 14 by the alignment sliding strip 20 arranged on the inner surface of the clamping sleeve 14, the clamping sleeve 14 can be clamped on the output shaft of the motor 4 by the clamping block 23 arranged on the outer surface of the clamping sleeve 14, so that the disassembly and maintenance work in the later stage is facilitated, the contact areas of the clamping sleeve 14, the rotary shaft 15 and the motor 4 are coated with lubricating oil, the rotary shaft 15 is limited and plays the role of oil seal by the shaft disc 16 arranged on the rotary shaft 15, the collecting bag 7 is maximally unfolded by the first supporting keel 6 and the second supporting keel 35, so that the storage capacity is increased, the cut grass is sucked into the collecting bag 7 through the air inlet port of the air suction pump 8 and is released into the collecting bag 7 through the air outlet port.

[0054] However, as known to those skilled in the art, the working principles and wiring methods of, for example, the battery pack 3, the motor 4 and the charging port 26 are common, which belong to conventional means or common general knowledge, and will not be described here again, and those skilled in the art can make any selection according to the needs or convenience.

[0055] The different embodiments described above can be combined, replaced and used in combination.

[0056] It should be noted that, in this document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0057] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lawn mower, characterized in that: Includes a box (1), the box (1) is hollow inside and a box cover plate (2) is inserted and installed on the upper surface of the box (1), a battery pack (3) and a motor (4) are placed inside the box (1), and a separation baffle (5) is detachably installed at the front end of the box (1) for separating clumps of green plants. It also includes a rotary cutting assembly for cutting green plants, which is fixedly installed at the bottom of the box (1); The first supporting keel (6) and the collection bag (7) are fixedly connected to the end of the box (1), and the collection bag (7) is sleeved on the first supporting keel (6); An air pump (8) is used to absorb the cut green plants and is fixedly installed at the bottom end of the box (1).

2. The lawn mower according to claim 1, characterized in that: The upper surface of the box body (1) is provided with several alignment mounting grooves (9), and the lower surface of the box cover plate (2) is provided with several plug strips (10). The plug strips (10) are adapted to the alignment mounting grooves (9), and the upper surface of the box cover plate (2) is provided with a hidden lifting assembly.

3. A lawn mower according to claim 2, characterized in that: The concealed lifting assembly includes a placement slot (11) and a handle (12), which are rotatably connected together by a pin, and the handle (12) is adapted to the placement slot (11).

4. A lawn mower according to claim 1, characterized in that: The separation baffle (5) is provided with several separation levers (13) at equal intervals, and the separation levers (13) are inclined outward.

5. A lawn mower according to claim 1, characterized in that: The rotary cutting assembly includes a snap-fit ​​sleeve (14), a rotating shaft (15), a shaft disc (16), a first bushing (17), and a rotary cutting blade (18). The top of the rotating shaft (15) extends through the bottom of the housing (1) to the hollow area. Several alignment grooves (19) are circumferentially formed on the rotating shaft (15). Several alignment strips (20) are provided on the inner surface of the snap-fit ​​sleeve (14). The alignment grooves (19) are adapted to the alignment strips (20). The rotating shaft (15) is inserted into the inner surface of the snap-fit ​​sleeve (14), and the upper surface of the rotating shaft (15) is aligned with the inner surface of the snap-fit ​​sleeve (14). There is a distance between the surfaces. The shaft disc (16) is sleeved on the outer surface of the rotating shaft (15). The upper surface of the shaft disc (16) is fixedly connected to the bottom of the box (1). The lower part of the rotating shaft (15) is sleeved with a first bushing (17) and a cutting blade (18). The cutting blade (18) is snapped and fixed on the lower surface of the first bushing (17). A compression spring (21) is fixedly connected between the shaft disc (16) and the first bushing (17). The bottom end of the rotating shaft (15) is provided with a threaded part and is threadedly connected with an adjustment cover (22). The upper surface of the adjustment cover (22) abuts against the lower surface of the cutting blade (18).

6. A lawn mower according to claim 5, characterized in that: The outer surface of the snap sleeve (14) is provided with several retractable snap blocks (23) in a circular pattern, and the inner surface of the motor (4) is provided with several snap grooves (24) in a circular pattern. The snap blocks (23) are adapted to the snap grooves (24), and the snap sleeve (14) is inserted into the rotating shaft of the motor (4).

7. A lawn mower according to claim 1, characterized in that: The housing (1) has an installation part (25) inside, and the battery pack (3) is detachably installed in the installation part (25). The side of the housing (1) has a charging port (26). The battery pack (3) is electrically connected to the motor (4) and the charging port (26) respectively. The rear of the installation part (25) has a storage part (27).

8. A lawn mower according to claim 1, characterized in that: The bottom of the box (1) is symmetrically fixedly connected to a first support member (28), the first support member (28) is rotatably connected to a first rotating shaft (29), the first rotating shaft (29) is rotatably connected to a first rotating wheel (38), and the first support member (28) and the first rotating wheel (38) are both fixedly connected to a second bushing (30). The bottom of the box (1) is also symmetrically fixedly connected to a second support member (31), the second support member (31) is connected to a second rotating shaft (32), the second rotating shaft (32) is rotatably connected to a second rotating wheel (33) on both sides, and the second support member (31) and the second rotating wheel (33) are both fixedly connected to a third bushing (34).

9. A lawn mower according to claim 1, characterized in that: The two ends of the first supporting keel (6) are fixedly connected to the bottom of the box (1). A supporting plate (37) is fixedly connected between the first supporting keels (6). A second supporting keel (35) is provided above the first supporting keel (6). The two ends of the second supporting keel (35) are fixedly connected to the rear side of the box (1). The collection bag (7) is sleeved on the outer surface of the first supporting keel (6) and the second supporting keel (35). A handle frame (36) is provided above the second supporting keel (35). The two ends of the handle frame (36) are flat and fixedly connected to the two sides of the box (1) by bolts.

10. A lawn mower according to claim 1, characterized in that: The suction pump (8) is detachably fixed on the support plate (37). The upper surface of the suction pump (8) abuts against the bottom of the box (1). The air inlet of the suction pump (8) faces the rotary cutting assembly, and the air outlet is connected to the collection bag (7).

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