CN220776555U

CN220776555U - Mowing machine with adjustable pruning height

Info

Publication number: CN220776555U
Application number: CN202322108220.3U
Authority: CN
Inventors: 陈金亮
Original assignee: Gaoyou North Power Machinery Co ltd
Current assignee: Gaoyou North Power Machinery Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-04-16
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to a mowing machine with an adjustable pruning height, which comprises a mowing machine body, a supporting rod and an adjusting mechanism, wherein an extending mechanism is arranged in the mowing machine body and comprises a main blade, the main blade is fixedly arranged at the bottom of a connecting rod, a placing groove is formed in the main blade, an auxiliary blade is movably arranged on the outer surface of the main blade, a rotating shaft with one end penetrating through and extending to the outside of the placing groove is movably arranged in the placing groove, a gear is fixedly arranged on the outer surface of the rotating shaft, and two rack blocks with one ends penetrating through and extending to the outside of the placing groove are movably arranged in the placing groove. This prune high adjustable lawn mower through being provided with extending mechanism, plays the effect that can adjust the interval between main blade and the vice blade, has reached the purpose that can prune the meadow of different area sizes, through being provided with adjustment mechanism, has reached the purpose that can adjust cutting height.

Description

Mowing machine with adjustable pruning height

Technical Field

The utility model relates to the technical field of mowers, in particular to a mowing machine with an adjustable trimming height.

Background

The mower is also called as weeding machine, grass mower, lawn trimmer and the like, is a mechanical tool for trimming lawns, vegetation and the like, and consists of a cutter head, an engine, travelling wheels, a travelling mechanism, a blade, an armrest and a control part.

According to the Chinese patent publication No. CN214628153U, an adjustable mower for municipal gardens is provided, and the adjustable mower has the technical effects and advantages that: the grass trimmer is simple in structure, the rear wheel drives the driving bevel gear to synchronously rotate, the driving bevel gear is meshed with the driven bevel gear, the rotating shaft is driven to rotate, the driving straight gear is driven to be meshed with the driven straight gear by the rotating shaft, the driving rod sleeve and the rotating rod rotate, the rotating rod drives the cutter head to rotate, the cutter head cuts green grass, in the process, the rotating seat is rotated, the rotating rod is driven to move upwards, the rotating rod drives the cutter head to move upwards, the mowing height is improved, otherwise, the cutting height is reduced by reversely rotating the rotating seat, the cutting height can be adjusted according to actual needs, the size of the blade cannot be adjusted in the adjusting process of the grass trimmer, and great inconvenience is brought to operators by pushing the grass trimmer, so that the grass trimmer with adjustable mowing height is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a mowing machine with adjustable pruning height, which has the advantages of adjustable cutting height, adjustable blade size and the like, and solves the problem that large-area grass cannot be cut.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the mower with the adjustable pruning height comprises a mower body, a supporting rod and an adjusting mechanism, wherein an extending mechanism is arranged in the mower body;

the extension mechanism comprises a main blade, the main blade is fixedly arranged at the bottom of a connecting rod, a placing groove is formed in the main blade, a subsidiary blade is movably arranged on the outer surface of the main blade, a rotating shaft with one end penetrating and extending to the outside of the placing groove is movably arranged in the placing groove, a gear is fixedly arranged on the outer surface of the rotating shaft, rack blocks with two ends penetrating and extending to the outside of the rotating shaft are movably arranged in the placing groove, the outer surface of the gear is meshed with the opposite sides of the two rack blocks, a mounting box is fixedly arranged on the rear side of the main blade, a worm wheel is rotatably arranged on the rear side of the rotating shaft and the inner wall of the mounting box, a worm with one end penetrating and extending to the outside of the worm is rotatably arranged in the mounting box, and the outer surface of the worm is meshed with the outer surface of the worm wheel.

Further, the top fixed mounting of lawn mower body has half box, the right side fixed mounting of half box has the motor, the output shaft of motor passes through the top fixed connection of shaft coupling and branch.

Further, adjustment mechanism is including the mounting groove, the mounting groove is seted up in the inside of branch, the interior roof of mounting groove rotates and installs the lead screw, the surface fixed mounting of lead screw has driven bevel gear, the surface threaded connection of lead screw has the connecting rod, the right side of branch rotates and installs one end and runs through and extend to its inside rotary rod, the left side fixed mounting of rotary rod has drive bevel gear, driven bevel gear's surface meshes with drive bevel gear's surface, the surface fixed mounting of rotary rod has the carousel, the right side threaded connection of carousel has one end to run through and extend to the inside screw rod of branch.

Further, limiting blocks are fixedly installed on the left side and the right side of the connecting rod, sliding grooves are formed in the left side wall and the right side wall of the inner cavity of the mounting groove, and the outer surfaces of the two limiting blocks are respectively connected with the inner surfaces of the two sliding grooves in a sliding mode.

Further, the right side of branch has offered the draw-in groove, the quantity of draw-in groove has a plurality ofly and takes the rotary rod as the center and be evenly distributed, screw rod and draw-in groove threaded connection.

Further, the slider is all fixed mounting in the opposite sides of tooth strip piece, the second spout has all been seted up to the inner chamber left and right sides wall of standing groove, two the slider respectively with two second spouts sliding connection.

Further, the top and the bottom of the auxiliary blade are provided with clamping holes communicated with the outside, the number of the clamping holes at the top and the bottom is four, and the outer surface of the rack block is contacted with the inner surface of the clamping hole.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this prune high adjustable lawn mower through being provided with extending mechanism, plays the effect that can adjust the size of blade, has reached the purpose that can prune the meadow of different area sizes, through being provided with adjusting mechanism, has reached the purpose that can adjust cutting height, and then can prune the meadow of different height.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

FIG. 3 is a top view of the primary and secondary blade connections of the present utility model;

fig. 4 is an enlarged view of B in fig. 1, which is a structural view of the present utility model.

In the figure: 1. a mower body; 2. a half box body; 3. a motor; 4. a support rod; 5. an adjusting mechanism; 51. a mounting groove; 52. a screw rod; 53. a driven bevel gear; 54. a connecting rod; 55. a rotating rod; 56. a drive bevel gear; 57. a turntable; 58. a screw; 61. a main blade; 62. a placement groove; 63. a secondary blade; 64. a rotating shaft; 65. a gear; 66. a rack block; 67. a mounting box; 68. a worm wheel; 69. a worm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a mowing machine with adjustable pruning height in this embodiment includes a mowing machine body 1, a supporting rod 4 and an adjusting mechanism 5, an extending mechanism is arranged in the mowing machine body 1, a half box body 2 is fixedly mounted at the top of the mowing machine body 1, a motor 3 is fixedly mounted at the right side of the half box body 2, an output shaft of the motor 3 is fixedly connected with the top of the supporting rod 4 through a coupling, and the half box body 2 has a fixed function on the motor 3.

Specifically, through being provided with extending mechanism, reached the purpose that can adjust the interval size between main blade 61 and the pair blade 63, and then can prune the grass of different area sizes, through being provided with adjustment mechanism 5, played the effect that can adjust the height of main blade 61 and pair blade 63, can make mower body 1 prune the grass of different height.

As shown in fig. 1 and 2, in this embodiment, the adjusting mechanism 5 includes a mounting groove 51, the mounting groove 51 is formed in the inside of the supporting rod 4, a screw rod 52 is rotatably mounted on the inner top wall of the mounting groove 51, a driven bevel gear 53 is fixedly mounted on the outer surface of the screw rod 52, a connecting rod 54 is threadably connected to the outer surface of the screw rod 52, a rotating rod 55 having one end penetrating and extending into the inside of the supporting rod 4 is rotatably mounted on the right side of the supporting rod 4, a driving bevel gear 56 is fixedly mounted on the left side of the rotating rod 55, the outer surface of the driven bevel gear 53 is meshed with the outer surface of the driving bevel gear 56, a turntable 57 is fixedly mounted on the outer surface of the rotating rod 55, and a screw rod 58 having one end penetrating and extending into the inside of the supporting rod 4 is threadably connected to the right side of the turntable 57.

Limiting blocks are fixedly mounted on the left side and the right side of the connecting rod 54, sliding grooves are formed in the left side wall and the right side wall of the inner cavity of the mounting groove 51, the outer surfaces of the two limiting blocks are respectively connected with the inner surfaces of the two sliding grooves in a sliding mode, and the purpose of the limiting blocks is that the limiting blocks can not rotate and only move up and down when the height of the connecting rod 54 is adjusted.

Wherein, the draw-in groove has been seted up on the right side of branch 4, and the quantity of draw-in groove has a plurality ofly and takes rotary rod 55 as the center to be evenly distributed, screw rod 58 and draw-in groove threaded connection, and the effect of seting up a plurality of draw-in grooves is can make rotary rod 55 all can pass through screw rod 58 and draw-in groove threaded connection fixed in rotatory arbitrary position.

In addition, the lowest grass can be trimmed when the connecting rod 54 is adjusted to its maximum length.

Specifically, through being provided with rotary rod 55, drive bevel gear 56 rotates, and drive bevel gear 56 drives driven bevel gear 53 and rotates, and driven bevel gear 53 drives lead screw 52 and rotate, can adjust the height of connecting rod 54, and connecting rod 54 only can reciprocate under the effect of stopper, has reached the purpose that can prune the grass of different height, after adjusting, through being provided with screw rod 58, the purpose is in order to can fix rotary rod 55.

As shown in fig. 1, 3 and 4, in the present embodiment, the extension mechanism includes a main blade 61, the main blade 61 is fixedly mounted at the bottom of the connecting rod 54, a placement groove 62 is provided inside the main blade 61, a sub-blade 63 is movably mounted on the outer surface of the main blade 61, a rotating shaft 64 having one end penetrating and extending to the outside thereof is movably mounted inside the placement groove 62, a gear 65 is fixedly mounted on the outer surface of the rotating shaft 64, two rack blocks 66 having one end penetrating and extending to the outside thereof are movably mounted inside the placement groove 62, the outer surface of the gear 65 is engaged with opposite sides of the two rack blocks 66, a mounting box 67 is fixedly mounted on the rear side of the main blade 61, the rear side of the rotating shaft 64 is rotatably mounted with the inner wall of the mounting box 67, a worm wheel 68 is fixedly mounted on the outer surface of the rotating shaft 64, a worm 69 having one end penetrating and extending to the outside thereof is rotatably mounted inside the mounting box 67, and the outer surfaces of the worm 69 and 69 are engaged with the outer surfaces of the worm wheel 68.

Wherein, the opposite sides of the rack block 66 are fixedly provided with sliding blocks, the left and right side walls of the inner cavity of the placing groove 62 are provided with second sliding grooves, and the two sliding blocks are respectively and slidably connected with the two second sliding grooves, so that the rack block 66 can be limited, and the rack block 66 is kept stable in the moving process.

Wherein, the top and the bottom of vice blade 63 all have seted up the card hole with outside communicating, and the card hole quantity of top and bottom has four, and the surface of rack piece 66 contacts with the interior surface of card hole, and then can make things convenient for the length adjustment of vice blade 63.

The mounting position of the sub blade 63 in the mounting box 67 during adjustment does not affect this.

Specifically, through being provided with worm 69, can drive worm wheel 68 rotation, worm wheel 68 can drive pivot 64 rotation, and pivot 64 drives gear 65 rotation, and gear 65 drives two rack pieces 66 and moves to opposite sides and joint mutually with the draw-in hole, has reached and to make pair blade 63 carry out the joint with main blade 61 after the regulation is accomplished and fix.

The working principle of the embodiment is as follows:

(1) When the mower body 1 is required to be used, if grass with different heights is required to be trimmed, the screw rod 58 is required to be turned out of the clamping groove, the rotary rod 55 is rotated, the rotary rod 55 drives the rotary plate 57 to rotate, the rotary rod 55 drives the drive bevel gear 56 to rotate, the drive bevel gear 56 drives the driven bevel gear 53 to rotate, the driven bevel gear 53 drives the screw rod 52 to rotate, the screw rod 52 drives the connecting rod 54 to move up and down to adjust the height, the connecting rod 54 cannot rotate and shake under the action of the limiting block and the sliding groove, and after the height adjustment is completed, the screw rod 58 is installed on the rotary plate 57 and is in threaded connection with the clamping groove at the corresponding position to fix the rotary rod 55, so that the height adjustment is completed.

(2) When the grass with larger area needs to be trimmed, the worm 69 is rotated, the worm 69 drives the worm wheel 68 to rotate, the worm wheel 68 drives the rotating shaft 64 to rotate, the rotating shaft 64 drives the gear 65 to rotate, the gear 65 simultaneously drives the rack blocks 66 on the left side and the right side to move to the opposite side, when the rack blocks 66 are not contacted with the surfaces of the clamping holes on the auxiliary blades 63, the rotation is stopped, the auxiliary blades 63 are moved to the left side and the right side, when the auxiliary blades are moved to a proper position, the rotating steps are repeated, so that the two rack blocks 66 move to the opposite sides to be clamped with the subsequent clamping holes, and the distance between the main blades 61 and the auxiliary blades 63 is adjusted.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prune high adjustable lawn mower, includes lawn mower body (1), branch (4) and adjustment mechanism (5), its characterized in that: an extension mechanism is arranged in the mower body (1);

the extension mechanism comprises a main blade (61), the main blade (61) is fixedly arranged at the bottom of a connecting rod (54), a placing groove (62) is formed in the main blade (61), an auxiliary blade (63) is movably arranged on the outer surface of the main blade (61), a rotating shaft (64) with one end penetrating and extending to the outside is movably arranged in the placing groove (62), a gear (65) is fixedly arranged on the outer surface of the rotating shaft (64), rack blocks (66) with two ends penetrating and extending to the outside are movably arranged in the placing groove (62), the outer surface of the gear (65) is meshed with the opposite sides of the two rack blocks (66), a mounting box (67) is fixedly arranged on the rear side of the main blade (61), a worm (69) with one end penetrating and extending to the outside is fixedly arranged on the outer surface of the rotating shaft (64), and a worm (68) with one end penetrating and extending to the outside is rotatably arranged in the inner surface of the mounting box (67), and the worm (69) is meshed with the outer surface of the worm (68).

2. A mowing height adjustable mower according to claim 1, wherein: the lawn mower is characterized in that a half box body (2) is fixedly arranged at the top of the lawn mower body (1), a motor (3) is fixedly arranged on the right side of the half box body (2), and an output shaft of the motor (3) is fixedly connected with the top of a supporting rod (4) through a coupler.

3. A mowing height adjustable mower according to claim 1, wherein: the utility model provides an adjusting mechanism (5) including mounting groove (51), mounting groove (51) are seted up in the inside of branch (4), lead screw (52) are installed in the interior roof rotation of mounting groove (51), the surface fixed mounting of lead screw (52) has driven bevel gear (53), the surface threaded connection of lead screw (52) has connecting rod (54), the right side rotation of branch (4) is installed one end and is run through and extend to rotary rod (55) of its inside, the left side fixed mounting of rotary rod (55) has drive bevel gear (56), the surface of driven bevel gear (53) meshes with the surface of drive bevel gear (56), the surface fixed mounting of rotary rod (55) has carousel (57), the right side threaded connection of carousel (57) has one end to run through and extend to the inside screw rod (58) of branch (4).

4. A mowing height adjustable mower according to claim 3, wherein: limiting blocks are fixedly mounted on the left side and the right side of the connecting rod (54), sliding grooves are formed in the left side wall and the right side wall of the inner cavity of the mounting groove (51), and the outer surfaces of the two limiting blocks are respectively connected with the inner surfaces of the two sliding grooves in a sliding mode.

5. A mowing height adjustable mower according to claim 3, wherein: the right side of branch (4) has seted up the draw-in groove, the quantity of draw-in groove has a plurality ofly and takes rotary rod (55) as the center to be evenly distributed, screw rod (58) and draw-in groove threaded connection.

6. A mowing height adjustable mower according to claim 1, wherein: the two opposite sides of the rack blocks (66) are fixedly provided with sliding blocks, the left side wall and the right side wall of the inner cavity of the placing groove (62) are provided with second sliding grooves, and the two sliding blocks are respectively and slidably connected with the two second sliding grooves.

7. A mowing height adjustable mower according to claim 1, wherein: the top and the bottom of the auxiliary blade (63) are respectively provided with a clamping hole communicated with the outside, the number of the clamping holes at the top and the bottom is four, and the outer surface of the rack block (66) is contacted with the inner surface of the clamping hole.