CN111567211A

CN111567211A - Lawn repairing machine

Info

Publication number: CN111567211A
Application number: CN202010426976.0A
Authority: CN
Inventors: 沈焕军
Original assignee: Zhejiang Risheng Agriculture And Forestry Science And Technology Co ltd
Current assignee: Zhejiang Risheng Agriculture And Forestry Science And Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-08-25

Abstract

The invention belongs to the technical field of gardening equipment, and particularly relates to a lawn repairing machine which comprises a rack, an adjusting mechanism and two supporting frames, wherein the rack comprises a bottom plate and an installation plate which are fixedly connected in an L shape, a handrail is fixedly installed on the installation plate, battery and motor, fixed mounting has the lid on the bottom plate, the output shaft of motor passes bottom plate and lid fixedly connected with cutting knife, the bottom plate respectively fixed mounting has an installation section of thick bamboo in the motor both sides, fixed mounting has the fixed axle in the installation section of thick bamboo, the support frame includes the slide bar, the fixed axle respectively overlaps in installation section of thick bamboo both ends and is equipped with a rotation section of thick bamboo, fixed mounting has two L shape connecting rods on the slide bar, L shape connecting rod free end and rotation section of thick bamboo fixed connection, adjustment mechanism includes two turbines and a worm, the worm meshes with two worm wheels simultaneously, worm wheel fixed mounting is on rotating the section of thick bamboo, fixed mounting has the mounting bracket. The purpose is as follows: the problem of the inconvenient altitude mixture control that current repair machine structural defect leads to is solved.

Description

Lawn repairing machine

Technical Field

The invention belongs to the technical field of gardening equipment, and particularly relates to a lawn repairing machine.

Background

Landscaping is a common public facility in modern cities, has the functions of greening environment and purifying air, and can ensure that lawn plants for greening grow rapidly and need to be trimmed regularly to ensure the smoothness and beauty of the lawn, and a great number of lawn repairing machines are used in landscaping.

The Chinese invention patent (publication number: CN110521380) discloses a lawn mower, which aims to adjust the height of the lawn mower from the ground so as to trim lawns with different heights and low heights according to requirements, and discloses a supporting device, wherein the supporting device comprises an adjusting device, a supporting frame and a sliding plate, the adjusting device and the supporting frame are correspondingly arranged on a rack, one end of the adjusting device and one end of the supporting frame are respectively connected with the upper end of the sliding plate, the adjusting device comprises a first supporting rod, a telescopic device and a first handle, one end of the first supporting rod is connected with the rack, the other end of the first supporting rod is connected with the cylindrical surface of the telescopic device, and the upper end of the telescopic device is connected with the lower end of the first handle.

By rotating the first handle on the adjusting device, the telescopic device drives the first supporting rod and the supporting frame to move up and down along with the rotation of the first handle, further drives the machine body to move up and down, adjusts the height of the cutting knife from the ground,

however, the supporting devices are arranged on two sides of the frame, namely two first handles are arranged, when the height adjusting device is used for adjusting the height distance between the cutting knife and the ground, the two first handles need to be rotated by the same angle respectively, and the height adjusting device is inconvenient to use.

Disclosure of Invention

The purpose of the invention is: aims to provide a lawn repairing machine which is used for solving the problem of inconvenient height adjustment caused by the structural defects of the existing repairing machine.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a lawn repairing machine, includes frame, adjustment mechanism and two support frames, the frame includes bottom plate and mounting panel, bottom plate and mounting panel are L form fixed connection, fixed mounting has handrail, battery and motor on the mounting panel, still install the switch on the handrail, switch, battery and motor electric connection, fixed mounting has the lid on the bottom plate, the output shaft of motor passes bottom plate and lid fixedly connected with cutting knife, the bottom plate respectively has an installation section of thick bamboo in the motor both sides, fixed mounting has the fixed axle in the installation section of thick bamboo, the support frame includes the slide bar, the perk on the slide bar front end, the fixed axle respectively overlaps at installation section of thick bamboo both ends and is equipped with a rotor, fixed mounting has two L shape connecting rods on the slide bar, L shape connecting rod free end and rotor section of thick bamboo fixed connection, adjustment mechanism includes two turbines and a worm, the worm meshes with two worm wheels simultaneously, worm wheel fixed mounting is on the rotating cylinder, fixed mounting has the mounting bracket on the bottom plate, the worm rotates and installs on the mounting bracket.

Further limited, a reinforcing rod is fixedly arranged between two L-shaped connecting rods of the same supporting frame. Such structural design consolidates two L shape connecting rods of support frame through the reinforcing rod, prescribes a limit to the distance of the rotation section of thick bamboo on two L shape connecting rods, avoids the carriage in the use, because the deformation of slide bar, and leads to two distances between the rotation section of thick bamboo to change to cause the problem that the support frame dropped from the fixed axle.

Further inject, the installation section of thick bamboo lateral wall is equipped with the projection, set up first screw thread through-hole on the projection, threaded connection has positioning bolt in the first screw thread through-hole, the fixed axle outer wall has seted up the locating hole, positioning bolt wears to establish in the locating hole. Such structural design, through the mutually supporting of positioning bolt and locating hole, accomplish the fixed connection between installation section of thick bamboo and the fixed axle, simple structure, simple to operate.

Further inject, one of them the section of thick bamboo of rotating is close to installation section of thick bamboo one end outer wall and has seted up the scale, installation section of thick bamboo outer wall has seted up the mark groove. Such structural design, when rotating the support frame through adjustment mechanism, through the mutually supporting of mark groove and scale, can accurately read the distance on cutting knife and ground this moment, it is more convenient to use.

Further inject, the mounting bracket includes L shape frame and C shape frame, L shape frame fixed mounting is on the bottom plate, first mounting hole has been seted up to L shape frame front end, the worm lower extreme rotates to be installed in first mounting hole, C shape frame demountable installation is on L shape frame, the second mounting hole has been seted up to C shape frame front end, the worm upper end rotates to be installed in the second mounting hole. By the structural design, when the worm is installed, the lower end of the worm can be firstly penetrated into the first installation hole, then the C-shaped frame is sleeved at the upper end of the worm, and finally the C-shaped frame is fixedly installed on the L-shaped frame.

Further limiting, more than two second threaded through holes are formed in the L-shaped frame, a through hole is formed in the lower end of the C-shaped frame, a fixing bolt penetrates through the through hole, the fixing bolt is screwed in the second threaded through holes, and a mounting hole is formed in the upper end of the C-shaped frame. Due to the structural design, the L-shaped frame and the C-shaped frame are detachably connected through the fixing bolt, so that the structure is simple and the installation is convenient; the mounting hole is used for facilitating the screwdriver to operate the fixing bolt when the fixing bolt is rotated.

Further inject, adjustment mechanism still includes the protective housing, the protective housing cladding is outside at worm and two worm wheels, protective housing fixed mounting is on the mounting bracket. Such structural design protects worm wheel and worm through the protective housing, avoids external grass bits to get into between worm wheel and the worm, influences adjustment mechanism's regulation effect.

Further inject, the protective housing includes the main casing body and apron, set up the rectangle through-hole that holds C shape frame upper end and L shape frame on the apron, the apron top is leaned on C shape frame lower extreme, it passes apron and worm wheel fixed connection to rotate the section of thick bamboo, integrated into one piece has first screw thread boss on the fixed axle, first screw thread boss passes main casing body spiro union, the apron has first fixation nut near main casing body one side upper and lower both ends homogeneous body shaping, both ends are located two U-shaped cardboards respectively about the worm, the main casing body is close to and changes both ends and all seted up jaggedly about one side, both ends are located two notches respectively about the worm. Such structural design, the protective housing passes through C shape frame upper end, L shape frame and the mutual matching of rectangle through-hole, accomplishes the location, carries out the axial centre gripping by the lower extreme of first fixation nut and C shape frame again to accomplish fixedly, simple structure, simple to operate.

Further inject, worm upper end integrated into one piece has the hexagonal boss, the cover is equipped with interior hexagonal sleeve on the hexagonal boss, the fixed journal stirrup that is equipped with in interior hexagonal sleeve both sides, hexagonal boss free end integrated into one piece has second screw thread boss, second screw thread boss has the second fixation nut in interior hexagonal sleeve top spiro union. Due to the structural design, the worm is rotated through the support lug, and the worm is more convenient to use.

The invention adopting the technical scheme has the advantages that:

1. the two support frames can be synchronously adjusted by rotating the worm, so that the aim of adjusting the height distance between the cutting knife and the ground is fulfilled, and the adjustment is convenient;

2. through mutually supporting in scale and mark groove, the registration that can direct through-hole scale directly reachs the high distance on cutting knife and ground, and it is more convenient to adjust.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural view of an embodiment of a lawn mower according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

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

FIG. 4 is a schematic cross-sectional view of an embodiment of the lawn mower of the present invention;

FIG. 5 is an enlarged view of the structure at C in FIG. 4;

FIG. 6 is an exploded view of an embodiment of the lawn mower of the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at D;

FIG. 8 is an enlarged view of the structure at E in FIG. 6;

FIG. 9 is a schematic structural view of a part of an embodiment of the lawn mower of the present invention;

FIG. 10 is an enlarged view of the structure of FIG. 9 at F;

the main element symbols are as follows:

frame 1, handrail 10, battery 101, bottom plate 11, mounting cylinder 111, boss 1111, positioning bolt 1112, fixed shaft 112, first screw boss 1120, mounting plate 12, motor 121,

The adjusting mechanism 2, the worm wheel 21, the worm 22, the hexagonal boss 221, the inner hexagonal sleeve 222, the support lug 2220, the second threaded boss 223, the second fixing nut 2230, the L-shaped frame 231, the first mounting hole 2310, the second threaded through hole 2311, the through hole 2312, the mounting hole 2313, the C-shaped frame 232, the second mounting hole 2320, the first threaded boss 223, the second threaded boss and the second threaded boss,

A supporting frame 3, a sliding rod 31, an L-shaped connecting rod 32, a reinforcing rod 320, a rotating cylinder 33, a graduated scale 331, a marking groove 332, a cover 4, a cutting knife 40,

The main housing 51, the first fixing nut 510, the notch 511, the cover plate 52, the rectangular through hole 521 and the U-shaped clamping plate 522.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 10, the lawn repairing machine of the present invention comprises a frame 1, an adjusting mechanism 2 and two supporting frames 3, wherein the frame 1 comprises a bottom plate 11 and a mounting plate 12, the bottom plate 11 and the mounting plate 12 are fixedly connected in an L-shape, the mounting plate 12 is fixedly provided with a handrail 10, a battery 101 and a motor 121, the handrail 10 is further provided with a switch, the battery 101 and the motor 121 are electrically connected, the bottom plate 11 is fixedly provided with a cover 4, an output shaft of the motor 121 passes through the bottom plate 11 and the cover 4 to be fixedly connected with a cutting knife 40, the bottom plate 11 is fixedly provided with a mounting tube 111 at two sides of the motor 121 respectively, a fixed shaft 112 is fixedly provided in the mounting tube 111, the supporting frame 3 comprises a sliding rod 31, the front end of the sliding rod 31 is upwarped, the fixed shaft 112 is respectively provided with a rotating tube 33 at two ends of the mounting tube 111, the sliding rod 31 is, the adjusting mechanism 2 comprises two worm wheels 21 and a worm 22, the worm 22 is meshed with the two worm wheels 21 at the same time, the worm wheels 21 are fixedly arranged on the rotating cylinder 33, the bottom plate 11 is fixedly provided with a mounting rack, and the worm 22 is rotatably arranged on the mounting rack.

A reinforcing rod 320 is fixedly arranged between the two L-shaped connecting rods 32 of the same supporting frame 3. Two L-shaped connecting rods 32 of the support frame 3 are reinforced through the reinforcing rods 320, and the distance between the rotating cylinders 33 on the two L-shaped connecting rods 32 is limited, so that the problem that the support frame 3 falls off from the fixed shaft 112 due to the fact that the distance between the two rotating cylinders 33 is changed due to the deformation of the sliding rod 31 in the use process of the support frame 3 is avoided.

The side wall of the mounting cylinder 111 is provided with a convex column 1111, the convex column 1111 is provided with a first thread through hole, a positioning bolt 1112 is screwed in the first thread through hole, the outer wall of the fixed shaft 112 is provided with a positioning hole, and the positioning bolt 1112 is arranged in the positioning hole in a penetrating way. The fixed connection between the mounting cylinder 111 and the fixed shaft 112 is completed through the mutual matching of the positioning bolt 1112 and the positioning hole, and the structure is simple and the mounting is convenient.

The outer wall of one of the rotating cylinders 33 near one end of the mounting cylinder 111 is provided with a graduated scale 331, and the outer wall of the mounting cylinder 111 is provided with a marking groove 332. When rotating support frame 3 through adjustment mechanism 2, through mark groove 332 and scale 331 mutually support, can accurately read the distance of cutting knife 40 and ground this moment, it is more convenient to use.

The mounting bracket comprises an L-shaped frame 231 and a C-shaped frame 232, the L-shaped frame 231 is fixedly mounted on the bottom plate 11, a first mounting hole 2310 is formed in the front end of the L-shaped frame 231, the lower end of the worm 22 is rotatably mounted in the first mounting hole 2310, the C-shaped frame 232 is detachably mounted on the L-shaped frame 231, a second mounting hole 2320 is formed in the front end of the C-shaped frame 232, and the upper end of the worm 22 is rotatably mounted in the second mounting hole 2320. When the worm 22 is installed, the lower end of the worm 22 is firstly inserted into the first installation hole 2310, the C-shaped frame 232 is sleeved on the upper end of the worm 22, and finally the C-shaped frame 232 is fixedly installed on the L-shaped frame 231.

More than two second threaded through holes 2311 are formed in the L-shaped frame 231, a through hole 2312 is formed in the lower end of the C-shaped frame 232, a fixing bolt penetrates through the through hole 2312, the fixing bolt is screwed in the second threaded through holes 2311, and a mounting hole 2313 is formed in the upper end of the C-shaped frame 232. The L-shaped frame 231 and the C-shaped frame 232 are detachably connected through fixing bolts, so that the structure is simple and the installation is convenient; the mounting hole 2313 is used for facilitating the operation of a screwdriver on the fixing bolt when the fixing bolt is rotated.

Adjustment mechanism 2 still includes the protective housing, and the protective housing cladding is outside worm 22 and two worm wheel 21, and protective housing fixed mounting is on the mounting bracket. The worm wheel 22 and the worm 21 are protected by the protective shell, and external grass scraps are prevented from entering between the worm wheel 22 and the worm 21 to influence the adjusting effect of the adjusting mechanism 2.

The protective housing comprises a main housing 51 and a cover plate 52, a rectangular through hole 521 for accommodating the upper end of the C-shaped frame 232 and the L-shaped frame 231 is formed in the cover plate 52, the cover plate 52 abuts against the lower end of the C-shaped frame 232, the rotary cylinder 33 penetrates through the cover plate 52 to be fixedly connected with the worm wheel 21, a first thread boss 1120 is integrally formed on the fixed shaft 112, the first thread boss 1120 penetrates through the main housing 51 to be connected with a first fixing nut 510 in a threaded mode, U-shaped clamping plates 522 are integrally formed at the upper end and the lower end of the cover plate 52 close to one side of the main housing 51, the upper end and the lower end of the worm 21 are respectively located in the two U-shaped clamping plates 522, notches 511 are formed at the upper. The protective housing passes through C shape frame 232 upper end, L shape frame 231 and the mutual matching of rectangle through-hole 521, accomplishes the location, carries out axial centre gripping by the lower extreme of first fixation nut 510 and C shape frame 232 again to accomplish fixedly, simple structure, simple to operate.

The upper end of the worm 22 is integrally formed with a hexagonal boss 221, the hexagonal boss 221 is sleeved with an inner hexagonal sleeve 222, two sides of the inner hexagonal sleeve 222 are fixedly provided with a support lug 2220, a free end of the hexagonal boss 221 is integrally formed with a second threaded boss 223, and the second threaded boss 223 is screwed with a second fixing nut 2230 above the inner hexagonal sleeve 222. The worm 22 is rotated by the support lug 2220, so that the use is more convenient.

In this embodiment, during adjustment, the inner hexagonal sleeve 222 is rotated by the support 2220 to drive the worm 22 to rotate, and further drive the turbine 21 to rotate around the fixed shaft 112, so as to drive the supporting frame 3 to deflect around the fixed shaft 112, thereby achieving the purpose of adjusting the height distance between the cutting knife 40 and the ground.

The lawn repairing machine according to the present invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a lawn repair machine, includes frame (1), adjustment mechanism (2) and two support frames (3), frame (1) includes bottom plate (11) and mounting panel (12), bottom plate (11) and mounting panel (12) are L form fixed connection, fixed mounting has handrail (10), battery (101) and motor (121) on mounting panel (12), still install the switch on handrail (10), switch, battery (101) and motor (121) electric connection, fixed mounting has lid (4) on bottom plate (11), the output shaft of motor (121) passes bottom plate (11) and lid (4) fixedly connected with cutting knife (40), its characterized in that: the bottom plate (11) is fixedly provided with an installation cylinder (111) at each side of the motor (121), a fixed shaft (112) is fixedly arranged in the mounting cylinder (111), the support frame (3) comprises a slide rod (31), the front end of the sliding rod (31) is upwarped, the two ends of the mounting cylinder (111) of the fixed shaft (112) are respectively sleeved with a rotating cylinder (33), two L-shaped connecting rods (32) are fixedly arranged on the sliding rod (31), the free ends of the L-shaped connecting rods (32) are fixedly connected with a rotating cylinder (33), the adjusting mechanism (2) comprises two worm wheels (21) and a worm (22), the worm (22) is simultaneously meshed with the two worm wheels (21), the worm wheels (21) are fixedly arranged on the rotating cylinder (33), the bottom plate (11) is fixedly provided with an installation frame, and the worm (22) is rotatably installed on the installation frame.

2. A lawn-repairing machine as claimed in claim 1, wherein: and a reinforcing rod (320) is fixedly arranged between two L-shaped connecting rods (32) of the same support frame (3).

3. A lawn-repairing machine as claimed in claim 1, wherein: the installation section of thick bamboo (111) lateral wall is equipped with projection (1111), first screw thread through-hole has been seted up on projection (1111), threaded connection has positioning bolt (1112) in the first screw thread through-hole, the locating hole has been seted up to fixed axle (112) outer wall, positioning bolt (1112) wear to establish in the locating hole.

4. A lawn-repairing machine as claimed in claim 1, wherein: one end of the rotating cylinder (33) close to the installation cylinder (111) is provided with a graduated scale (331) on the outer wall, and the installation cylinder (111) is provided with a marking groove (332) on the outer wall.

5. A lawn-repairing machine as claimed in claim 1, wherein: the mounting bracket comprises an L-shaped frame (231) and a C-shaped frame (232), the L-shaped frame (231) is fixedly mounted on the bottom plate (11), a first mounting hole (2310) is formed in the front end of the L-shaped frame (231), the lower end of the worm (22) is rotatably mounted in the first mounting hole (2310), the C-shaped frame (232) is detachably mounted on the L-shaped frame (231), a second mounting hole (2320) is formed in the front end of the C-shaped frame (232), and the upper end of the worm (22) is rotatably mounted in the second mounting hole (2320).

6. A lawn-repairing machine as claimed in claim 5, wherein: more than two second threaded through holes (2311) are formed in the L-shaped frame (231), a through hole (2312) is formed in the lower end of the C-shaped frame (232), a fixing bolt penetrates through the through hole (2312), the fixing bolt is screwed in the second threaded through hole (2311), and a mounting hole (2313) is formed in the upper end of the C-shaped frame (232).

7. A lawn-repairing machine as claimed in claim 5, wherein: adjustment mechanism (2) still include the protective housing, the protective housing cladding is outside at worm (22) and two worm wheel (21), protective housing fixed mounting is on the mounting bracket.

8. A lawn-repairing machine as claimed in claim 7, wherein: the protective shell comprises a main shell (51) and a cover plate (52), the cover plate (52) is provided with a rectangular through hole (521) for accommodating the upper end of the C-shaped frame (232) and the L-shaped frame (231), the cover plate (52) is propped against the lower end of the C-shaped frame (232), the rotating cylinder (33) penetrates through the cover plate (52) and is fixedly connected with the worm wheel (21), a first thread boss (1120) is integrally formed on the fixed shaft (112), the first thread boss (1120) penetrates through the main shell (51) and is in threaded connection with a first fixed nut (510), u-shaped clamping plates (522) are integrally formed at the upper end and the lower end of one side of the cover plate (52) close to the main shell (51), the upper end and the lower end of the worm (21) are respectively positioned in the two U-shaped clamping plates (522), the upper end and the lower end of one side of the main shell (51) close to the change (52) are both provided with notches (511), the upper end and the lower end of the worm (21) are respectively positioned in the two notches (511).

9. A lawn-repairing machine as claimed in claim 8, wherein: worm (22) upper end integrated into one piece has hexagonal boss (221), the cover is equipped with hexagonal socket sleeve (222) on hexagonal boss (221), hexagonal socket sleeve (222) both sides are fixed and are equipped with journal stirrup (2220), hexagonal boss (221) free end integrated into one piece has second screw thread boss (223), second screw thread boss (223) have second fixation nut (2230) in hexagonal socket sleeve (222) top spiro union.