CN115226478A

CN115226478A - Lawn trimmer is used in gardens

Info

Publication number: CN115226478A
Application number: CN202210987631.1A
Authority: CN
Inventors: 陈利聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-10-25

Abstract

The invention belongs to the field of lawn trimming, and particularly relates to a lawn trimmer for gardens, which comprises a horizontally arranged frame body, wherein two pairs of fixed blocks are fixedly connected to the inner bottom surface of the frame body, a rotating rod is rotatably connected between each pair of fixed blocks, two ends of each rotating rod extend to the outer part of the frame body, rollers are fixedly arranged at the end parts of the two rotating rods extending to the outer part of the frame body, a driving gear is rotatably connected to the center of the inner bottom surface of the frame body, the driving gear is in meshing connection with a transmission gear, and the upper end and the lower end of the transmission gear are in meshing connection with a driven gear. According to the lawn trimmer, the cleaning mechanism is arranged, so that the rotating fan above the horizontal plate can be driven to rotate in the process that the lawn trimmer trims the lawn, upward suction can be generated in the guide pipe, trimmed grass can be sucked onto the horizontal plate, the grass can be cleaned while the lawn is trimmed, cleaning work is not needed afterwards, the working efficiency is further improved, and manpower and material resources are greatly saved.

Description

Lawn trimmer is used in gardens

Technical Field

The invention belongs to the field of lawn trimming, and particularly relates to a lawn trimmer for gardens.

Background

The lawn trimmer is a machine for uniformly trimming large-area lawns, is commonly used in communities, parks and campuses, and is divided into different types such as a hand-push type lawn trimmer and a hand-hold type lawn trimmer according to different specific use scenes.

Through retrieval, the national patent publication No. CN107371567A discloses a trimmer for a garden lawn, when the trimmer is used, a first motor 5 needs to be turned on, a cutting knife 9 rotates through gear meshing transmission, when the angle is adjusted, a second motor 11 needs to be turned on, a connecting shaft 12 is driven to rotate, a gear 13 is driven to rotate, an arc plate 16 rotates, a rotating rod 18 rotates, a rotating block 19 drives a mowing box 4 to rotate, when the angle is adjusted, a third motor 21 needs to be turned on, a first belt pulley 22 drives a second belt pulley 25 to rotate through a belt 23, a screw rod 26 rotates, the first supporting plate 2 is driven to move up and down, and the mowing box 4 is driven to move up and down.

The scheme has the following defects:

1. when the scheme is used, the lawn is directly trimmed by the cutting knife, however, the lawn in some special areas has more protruding parts and thicker plants, and the trimming effect of a single cutting mode is limited;

2. according to the scheme, when a plurality of functions are switched, corresponding motors are required to be started, the number of the motors is large, a plurality of additional energy sources are required to be input, more energy sources are required to be consumed, the environment is not friendly, and the structure of the whole device is loose;

3. the device in this scheme is in the use, and the garrulous grass after being pruned can scatter on the lawn, still need clean work after finishing to the lawn pruning, and intensity of labour is great, wastes time and energy.

Disclosure of Invention

The present invention has been made in view of the above problems, and an object of the present invention is to provide a lawn trimmer for gardens which is more convenient to use.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a lawn mower for gardens, framework including the level setting, two pairs of fixed blocks of bottom surface fixedly connected with are every right all rotate between the fixed block and be connected with the dwang, every the both ends of dwang all extend to the outside setting of framework, two the dwang extends to the equal fixed mounting of the outside tip of framework has the gyro wheel, the center department of bottom surface rotates in the framework and is connected with drive gear, the drive gear meshing is connected with drive gear, drive gear's last lower extreme all meshes and is connected with driven gear, drive gear and two driven gear all with the framework in the bottom surface rotate be connected, every the sector gear of the coaxial setting of equal fixedly connected with in driven gear's the pivot, two be equipped with the rack that the level set up between the sector gear, the rack passes through connecting block and framework in bottom surface sliding connection, the rack all meshes with two sector gears and is connected, the framework below is equipped with drive gear coaxial fixed connection's cutting piece, rack transmission is connected with preliminary treatment drive mechanism, be equipped with actuating mechanism in the framework.

In foretell lawn mower for gardens, the both sides of bottom surface all undercut forms the mounting groove in the framework, two the dwang is located two mounting grooves respectively.

In the lawn mower for gardens described above, the movement states of the two sector gears are always kept the same.

In foretell lawn mower for gardens, preliminary treatment mechanism includes the installation piece of fixed connection on the framework lateral wall, the lateral wall rotates on the installation piece and is connected with the bull stick of two crisscross settings, two the bull stick rotation connects, two the one end of bull stick all extends to the framework and sets up, two the cutting knife of the equal fixedly connected with bar of the other end of bull stick is located fixedly connected with reset spring between two bull stick tip inside the framework.

In foretell lawn mower for gardens, the one end fixed connection of rack has the connecting rod of level setting, the other end fixed connection of connecting rod has trapezoidal piece, trapezoidal piece is located between two bull sticks and hugs closely two bull stick lateral walls.

In the lawn trimmer for gardens, the through hole is formed in the side wall of the frame body and matched with the two rotating rods.

In foretell lawn mower for gardens, actuating mechanism establishes the first crown gear on the dwang including fixed cover, the internal rotation of framework is connected with the horizon bar, fixed cover is equipped with second crown gear and the drive crown gear of coaxial setting on the horizon bar, second crown gear is connected with first crown gear meshing, the bottom surface rotates in the framework and is connected with the driven crown gear who is connected with drive crown gear meshing, the common cover is equipped with the drive belt between driven crown gear's the pivot and the pivot of drive gear.

In the above lawn mower for gardens, the diameter of the drive gear shaft is smaller than the diameter of the driven crown gear shaft.

In foretell lawn mower for gardens, still include clearance mechanism, clearance mechanism is including seting up the clearance mouth of lateral wall under the framework, fixedly connected with horizontal plate in the framework, drive gear's the coaxial montant that sets up of pivot tip fixedly connected with, the upper end of standpipe is run through the horizontal plate setting and fixed mounting has the rotation fan, it has the stand pipe to fix the intercommunication between clearance mouth and the horizontal plate top space.

In foretell lawn mower is used in gardens, the uncovered setting in framework upper end, demountable installation has the otter board that the level set up in the framework upper end, the stand pipe upper end mouth is equipped with the spacing ring of fixed connection on the horizontal plate.

Compared with the prior art, this lawn mower for gardens' advantage lies in:

1. according to the invention, the pretreatment mechanism is arranged and comprises two cutting knives positioned at the front end of the frame body, the cutting knives can pretreat the lawn to be trimmed before the lawn is trimmed by the cutting blades, the more prominent part on the lawn can be preliminarily trimmed, and some thicker plants can be cut in advance, so that the subsequent trimming effect of the cutting blades is ensured, the situation that the same region needs to be trimmed repeatedly is effectively avoided, and the trimming efficiency is obviously improved.

2. According to the lawn mower, the driving mechanism is arranged, when the frame body moves, the rotating roller can drive the cutting blade to rotate through the rotating roller, the first crown gear, the driving gear and other transmission elements, so that the effect of trimming the lawn is achieved, the whole process is driven by using the structural characteristics of the lawn mower, additional power input is not needed, the whole lawn mower is stronger in integrity, energy can be effectively saved, and the lawn mower is more environment-friendly.

3. According to the lawn trimmer, the cleaning mechanism is arranged, so that the rotating fan above the horizontal plate can be driven to rotate in the process that the lawn trimmer trims the lawn, upward suction can be generated in the guide pipe, trimmed grass can be sucked onto the horizontal plate, the grass can be cleaned while the lawn is trimmed, cleaning work is not needed afterwards, the working efficiency is further improved, and manpower and material resources are greatly saved.

Drawings

FIG. 1 is a schematic view of the external configuration of a lawn mower for use in gardens according to the present invention;

FIG. 2 is a top view of the internal structure of a lawn mower for use in gardens in accordance with the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view showing a state where a rack is engaged with two sector gears in the lawn mower for garden use according to the present invention;

FIG. 5 is a schematic structural view showing a state in which two levers are coupled to a trapezoidal block in the lawn mower for garden use according to the present invention;

fig. 6 is a schematic view of the internal structure of a cleaning mechanism of a lawn mower for gardens according to the present invention.

In the figure, 1 frame body, 2 fixed blocks, 3 rotating rods, 4 rollers, 5 driving gears, 6 transmission gears, 7 driven gears, 8 sector gears, 9 racks, 10 cutting blades, 11 mounting grooves, 12 mounting blocks, 13 rotating rods, 14 cutting knives, 15 return springs, 16 connecting rods, 17 trapezoidal blocks, 18 through holes, 19 first crown gears, 20 horizontal rods, 21 second crown gears, 22 driving crown gears, 23 driven crown gears, 24 driving belts, 25 cleaning ports, 26 horizontal plates, 27 vertical rods, 28 rotating fans, 29 guide pipes, 30 screen plates, 31 spacing rings

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-6, a lawn trimmer is used in gardens, including the framework 1 that the level set up, bottom surface fixedly connected with two pairs of fixed blocks 2 in the framework 1, every is all rotated between every pair of fixed block 2 and is connected with dwang 3, it is worth mentioning that, framework 1 lateral wall fixed mounting has the handle, the thrust unit of being convenient for carries out the position and moves, the both sides of bottom surface all undercut form mounting groove 11 in the framework 1, two dwang 3 are located two mounting grooves 11 respectively, the gyro wheel 4 of being convenient for and ground contact.

The both ends of every dwang 3 all extend to framework 1 outside setting, the equal fixed mounting in tip that two dwang 3 extend to framework 1 outside has gyro wheel 4, the center department of bottom surface rotates in framework 1 and is connected with drive gear 5, drive gear 5 meshing is connected with drive gear 6, the equal meshing of last lower extreme of drive gear 6 is connected with driven gear 7, drive gear 6 and two driven gear 7 all are connected with the bottom surface rotation in framework 1, the coaxial sector gear 8 that sets up of equal fixedly connected with in the pivot of every driven gear 7, it needs to be noted that, the motion state of two sector gear 8 remains unanimous throughout, as shown in fig. 4, two sector gear 8 can mesh with rack 9 in turn.

Be equipped with the rack 9 that the level set up between two sector gear 8, rack 9 passes through bottom surface sliding connection in connecting block and the framework 1, and rack 9 is connected with two sector gear 8 equal meshing, and framework 1 below is equipped with the cutting piece 10 with the coaxial fixed connection of drive gear 5, and whole device is mainly pruned the lawn through cutting piece 10.

The rack 9 transmission is connected with preliminary treatment mechanism, and is specific, and preliminary treatment mechanism includes installation piece 12 of fixed connection on framework 1 lateral wall, and installation piece 12 mainly plays the bearing effect, and the lateral wall rotates on installation piece 12 to be connected with the bull stick 13 of two crisscross settings, and two bull sticks 13 rotate each other to be connected, as shown in fig. 5, the one end of two bull sticks 13 all extends to and sets up in the framework 1.

The cutting knife 14 of the equal fixedly connected with bar of the other end of two bull sticks 13, the lawn that the pruning can be treated to cutting knife 14 carries out the preliminary pruning to comparatively outstanding part on the lawn, also can cut some comparatively sturdy plants in advance, the subsequent pruning effect of cutting piece 10 has been guaranteed, and effectively avoided taking place to the condition that same block region need be pruned repeatedly, pruning efficiency has obviously been improved, be located fixedly connected with reset spring 15 between two bull sticks 13 tip of framework 1 inside, reset spring 15 plays the supplementary effect that resets.

The one end fixed connection of rack 9 has the connecting rod 16 that the level set up, and the other end fixedly connected with trapezoidal piece 17 of connecting rod 16, trapezoidal piece 17 lie in between two bull sticks 13 and hug closely two bull sticks 13 lateral walls, and it needs to notice that seted up on the framework 1 lateral wall and set up through-hole 18 with two bull sticks 13 matching, guarantee that two bull sticks 13 can rotate.

Be equipped with actuating mechanism in the framework 1, it needs to explain, actuating mechanism establishes first crown gear 19 on dwang 3 including fixed cover, framework 1 internal rotation is connected with horizontal pole 20, fixed cover is equipped with second crown gear 21 and the drive crown gear 22 of coaxial setting on the horizontal pole 20, second crown gear 21 is connected with the meshing of first crown gear 19, the bottom surface rotation is connected with the driven crown gear 23 of being connected with the meshing of drive crown gear 22 in framework 1, the common cover is equipped with drive belt 24 between the pivot of driven crown gear 23 and the pivot of drive gear 5, it is worth mentioning that, the diameter of drive gear 5 pivot is less than the diameter of driven crown gear 23 pivot, the rotational speed of drive gear 5 then is greater than the rotational speed of driven crown gear 23, can improve the cutting effect of cutting piece 10.

Still include clearance mechanism, clearance mechanism is including seting up the clearance mouth 25 of lateral wall under framework 1, fixedly connected with horizontal plate 26 in framework 1, the coaxial montant 27 that sets up of drive gear 5's pivot tip fixedly connected with, the upper end of standpipe 1 is run through horizontal plate 26 and is set up and fixed mounting has rotation fan 28, it has stand pipe 29 to fix the intercommunication between clearance mouth 25 and the horizontal plate 26 top space, clearance mechanism can inhale horizontal plate 20 with the garrulous grass of pruning down on, clear up the garrulous grass when pruning the lawn, need not to clean work again afterwards, further improved work efficiency, manpower and materials have been saved greatly.

The uncovered setting in framework 1 upper end, demountable installation has the otter board 30 of level setting in the framework 1 upper end, and 29 upper ends of guide tubes are equipped with spacing ring 31 of fixed connection on horizontal plate 26, and spacing ring 31 can play the fender effect to garrulous grass, avoids garrulous grass to pass through guide tubes 29 and fall back on the lawn.

When the lawn mower is used, the whole device is pushed to move on a lawn through the handle, the rotating roller 4 can drive the first crown gear 19 to rotate through the rotating rod 3, the second crown gear 21 meshed and connected with the first crown gear 19 can drive the horizontal rod 20 to rotate, and the horizontal rod 20 can drive the driving gear 5 to rotate through the driving crown gear 22 and the driven crown gear 23 meshed and connected with each other, so that the bottom cutting blade 10 of the lawn mower can rotate, and the effect of trimming the lawn is achieved.

The drive gear 6 that can connect through intermeshing at drive gear 5 pivoted in-process drives driven gear 7 and rotates, make sector gear 8 on the driven gear 7 keep the rotation state, two pivoted sector gear 8 can mesh with rack 9 in turn, make rack 9 at the horizontal direction reciprocating motion, then can control the angle between two bull sticks 13 through trapezoidal piece 17, thereby control opening and shutting of two cutting knife 14, cutting knife 14 is located the device front end, before pruning the lawn through cutting piece 10, cutting knife 14 can treat the lawn of pruning and carry out preliminary pruning, can carry out preliminary pruning to the part of comparatively outstanding on the lawn, also can cut some comparatively sturdy plants in advance, the subsequent pruning effect of cutting piece has been guaranteed, and effectively avoided taking place to the condition that same block region need prune repeatedly, the efficiency of pruning has obviously been improved.

In the process of the device trimming the lawn, the rotating fan 28 above the horizontal plate 26 can be driven to rotate, upward suction can be generated in the guide pipe 29, the trimmed grass can be sucked to the horizontal plate 26, the trimmed grass can be cleaned when the lawn is trimmed, the cleaning work is not needed afterwards, the working efficiency is further improved, and manpower and material resources are greatly saved.

In the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a lawn mower is used in gardens, includes framework (1) of level setting, its characterized in that:

two pairs of fixed blocks (2) are fixedly connected to the bottom surface in the frame body (1), each pair of the fixed blocks (2) is rotatably connected with a rotating rod (3), two ends of each rotating rod (3) extend to the outer part of the frame body (1) and are fixedly provided with rollers (4), the center of the inner bottom surface of the frame body (1) is rotationally connected with a driving gear (5), the driving gear (5) is connected with a transmission gear (6) in a meshing way, the upper end and the lower end of the transmission gear (6) are respectively connected with a driven gear (7) in a meshing way, the transmission gear (6) and the two driven gears (7) are rotationally connected with the inner bottom surface of the frame body (1), a rotating shaft of each driven gear (7) is fixedly connected with a sector gear (8) which is coaxially arranged, a rack (9) which is horizontally arranged is arranged between the two sector gears (8), the rack (9) is connected with the inner bottom surface of the frame body (1) in a sliding way through a connecting block, the rack (9) is meshed with the two sector gears (8), a cutting blade (10) which is coaxially and fixedly connected with the driving gear (5) is arranged below the frame body (1), the rack (9) is in transmission connection with a pretreatment mechanism, and a driving mechanism is arranged in the frame body (1).

2. The lawn mower of claim 1, wherein: the both sides of bottom surface all undercut forms mounting groove (11), two in framework (1) dwang (3) are located two mounting grooves (11) respectively.

3. The lawn mower of claim 2, wherein: the motion states of the two sector gears (8) are always kept consistent.

4. A lawn mower as claimed in claim 3, wherein: pretreatment mechanism includes installation piece (12) of fixed connection on framework (1) lateral wall, the lateral wall rotates to be connected with bull stick (13) of two crisscross settings, two on installation piece (12) bull stick (13) rotation connects, two the one end of bull stick (13) all extends to and sets up in framework (1), two cutting knife (14) of the equal fixedly connected with bar of the other end of bull stick (13) are located fixedly connected with reset spring (15) between two bull stick (13) tip of framework (1) inside.

5. The lawn mower of claim 4, wherein: one end of the rack (9) is fixedly connected with a connecting rod (16) which is horizontally arranged, the other end of the connecting rod (16) is fixedly connected with a trapezoidal block (17), and the trapezoidal block (17) is positioned between the two rotating rods (13) and clings to the outer side walls of the two rotating rods (13).

6. The lawn mower of claim 5, wherein: the side wall of the frame body (1) is provided with a through hole (18) matched with the two rotating rods (13).

7. The lawn mower of claim 6, wherein: actuating mechanism establishes first crown gear (19) on dwang (3) including fixed cover, framework (1) internal rotation is connected with horizon bar (20), fixed cover is equipped with second crown gear (21) and drive crown gear (22) of coaxial setting on horizon bar (20), second crown gear (21) are connected with first crown gear (19) meshing, bottom surface rotation is connected with driven crown gear (23) of being connected with drive crown gear (22) meshing in framework (1), common cover is equipped with drive belt (24) between the pivot of driven crown gear (23) and the pivot of drive gear (5).

8. The lawn mower of claim 7, wherein: the diameter of the rotating shaft of the driving gear (5) is smaller than that of the driven crown gear (23).

9. The lawn mower of claim 8, wherein: still include clearance mechanism, clearance mechanism is including seting up clearance mouth (25) at lateral wall under framework (1), fixedly connected with horizontal plate (26) in framework (1), montant (27) of the coaxial setting of pivot tip fixedly connected with of drive gear (5), the upper end of standpipe 1 is run through horizontal plate (26) and is set up and fixed mounting has rotation fan (28), it has stand pipe (29) to be fixed the intercommunication between clearance mouth (25) and horizontal plate (26) top space.

10. The lawn mower of claim 9, wherein: the utility model discloses a screen plate, including framework (1), screen plate (30) that framework (1) upper end is uncovered to be set up, demountable installation has the level to set up in framework (1) upper end mouth, stand pipe (29) upper end mouth is equipped with spacing ring (31) of fixed connection on horizontal plate (26).