CN111937568A

CN111937568A - Multifunctional mower

Info

Publication number: CN111937568A
Application number: CN202010846430.0A
Authority: CN
Inventors: 周喜荣
Original assignee: Individual
Current assignee: Shenzhen Chengcheng High Tech Co ltd
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2020-11-17
Anticipated expiration: 2038-10-22
Also published as: CN109451962A; CN111937568B; CN109451962B

Abstract

The invention relates to a mower, in particular to a multifunctional mower which comprises a handle, mowing mechanisms for mowing grass with different heights, universal wheels, a grass combing mechanism, an auxiliary mowing mechanism and a protective cover mechanism with a watering function. The bottom end of the cart handle is fixedly connected with the right end of the mowing mechanism for cutting grass with different heights, the protection cover mechanism with the sprinkling function is connected with the mowing mechanism for cutting grass with different heights, and the protection cover mechanism with the sprinkling function is connected with the cart handle.

Description

Multifunctional mower

The application has the following application numbers: 2018112288817, the name is: the invention patent application of the multifunctional mower is divided into separate applications, and the original application dates are as follows: year 2018, month 10 and day 22.

Technical Field

The invention relates to a mower, in particular to a multifunctional mower.

Background

The lawn mower is the mechanical equipment that afforestation and dykes and dams, canal slope were used always, and the lawn that traditional lawn mower cut out is also the same height, can not beautify the lawn more, when meetting indiscriminate and higher lawn of careless, the unclean phenomenon of mowing appears easily in current lawn mower, and the function is single, so design a multi-functional lawn mower and solve this problem.

Disclosure of Invention

The multifunctional mower mainly solves the technical problem that the multifunctional mower can cut lawns with different lengths, meets use requirements, facilitates modeling of the lawns, beautifies the lawns, can comb messy lawns, facilitates mowing, has an auxiliary mowing function, facilitates mowing higher-length lawns, can reduce abrasion of a main mowing device, mows cleanly, is provided with a protective cover with a watering function, can prevent blades from hurting people, can prevent dust from influencing the health of the people during mowing, plays a dustproof role, and has multiple functions.

In order to solve the technical problems, the invention relates to a mower, in particular to a multifunctional mower which comprises a handle, a mowing mechanism for mowing grasses with different heights, a universal wheel, a grass combing mechanism, an auxiliary mowing mechanism and a protection cover mechanism with a watering function.

The mowing mechanism for mowing grass with different heights comprises a case, a support, a first supporting rod, a second supporting rod, a first rectangular through hole, a first limiting button, a first fixed rod, a first fixed threaded cap, a first threaded cylindrical rod, a second fixed threaded cap, a second threaded cylindrical rod, a second limiting button, a moving rod, a first curved rod, a second curved rod, a third curved rod, a fourth curved rod, a first shaft, a second shaft, a third shaft, a fourth shaft, a first fixed box, a second fixed box, a moving rod, a first bevel gear, a second bevel gear, a third shaft, a second curved rod, a third curved rod,

A second bevel gear, a third bevel gear, a fourth bevel gear, a fifth bevel gear, a sixth bevel gear, a first gear rod, a third gear rod, a fourth gear rod, a first round mowing blade, a second round mowing blade, a first motor fixing frame, a first motor, a fifth gear rod, a sixth gear rod, a seventh bevel gear and a first motor shaft, wherein the top end of the case is fixedly connected with the bottom end of the bracket, the top end of the bracket is fixedly connected with the two ends of the first support rod, a rectangular through hole is arranged in the middle of the first support rod, a first limit button penetrates through the rectangular through hole, the first limit button is fixedly connected with the top end of the movable rod, the left end of the movable rod is fixedly connected with the right end of the second fixed rod, the left end of the second fixed rod is movably connected with a second fixed threaded cap, the left end of the bracket is fixedly connected with a second threaded cylindrical rod, the right end of the second fixed, the right end of the bracket is fixedly connected with a first threaded cylindrical rod, the bottom end of the bracket is fixedly connected with the two ends of a second supporting rod, a first rectangular through hole is arranged in the middle of the second supporting rod, a second limiting button penetrates through the first rectangular through hole, the second limiting button is fixedly connected with a moving rod, the moving rod penetrates through a hole in the bottom end of the bracket, the bottom end of the moving rod is fixedly connected with the middle of a moving rod, the left end of the moving rod is connected with the top end of a first curved rod, the first curved rod penetrates through a hole in the top end of a case, the first curved rod is connected with a second curved rod in a clearance mode, the two ends of the second curved rod are fixedly connected with the top end of the case, the bottom end of the first curved rod is connected with the left end of a second fixed case through shaft, the moving rod is connected with the top end of the second curved rod, the second curved rod penetrates through a hole in the top end of the case, the, the top end of the second gear rod is fixed with the top end of the inside of the second fixing box, the bottom end of the second gear rod is connected with a bearing at one end of a sixth bevel gear, the sixth bevel gear is in clearance connection with the second fixing box, the other end of the sixth bevel gear is fixedly connected with the top end of the fourth gear rod, the fourth gear rod sequentially penetrates through holes in the bottom ends of the second fixing box and the case, the bottom end of the fourth gear rod is fixedly connected with the middle of the first circular mowing blade, the sixth bevel gear is meshed with a fifth bevel gear, the fifth bevel gear is connected with the left end of the sixth gear rod, two ends of the sixth gear rod are connected with the bearing of the second fixing box, and the right end of the; the movable rod is connected with the top end shaft of the third curved rod, the third curved rod penetrates through a hole on the top end of the case, the middle of the third curved rod is in clearance connection with the fourth shaft, two ends of the fourth shaft are fixedly connected with the left end of the first fixed case, the right end of the movable rod is connected with the top end shaft of the fourth curved rod, the fourth curved rod penetrates through a hole on the top end of the case, the middle of the fourth curved rod is in clearance connection with the first shaft, two ends of the first shaft are fixedly connected with the top end of the case, the bottom end of the first shaft is connected with the right end shaft of the first fixed case, the top end of the first gear rod is fixedly connected with the top end inside the first fixed case, the bottom end of the first gear rod is connected with one end bearing of the fourth bevel gear, the fourth bevel gear is in clearance connection with the first fixed case, the other end of the fourth gear rod is fixedly connected with the second gear rod, the second gear rod sequentially penetrates through holes on the, the third bevel gear is fixedly connected with the right end of the fifth gear rod, two ends of the fifth gear rod are connected with a left end bearing of the first fixed box, the left end of the fifth gear rod is fixedly connected with the first bevel gear, two ends of the first motor are fixedly connected with the top end of the first motor fixing frame, the bottom end of the first motor fixing frame is fixedly connected with the bottom end of the case, the first motor is connected with a bearing of a motor shaft, and the first motor shaft is fixedly connected with the seventh bevel gear;

the first fixed box comprises a first half box body and a second half box body, and the first half box body and the second half box body are fixedly connected through welding;

the second fixing box comprises a third half box body and a fourth half box body, and the third half box body and the fourth half box body are fixedly connected through welding;

the grass carding mechanism comprises a carding needle, a needle plate, a fixing piece, a T-shaped bulge, a T-shaped groove, a connecting piece, a first dovetail bulge, a first dovetail groove, a second dovetail bulge and a second dovetail groove, the carding needle is fixedly connected with one end of the needle plate, the other end of the needle plate is fixedly connected with the bottom end of the fixing piece, the T-shaped bulge is arranged at the top end of the fixing piece, the T-shaped groove is arranged at the bottom end of the case, the T-shaped bulge is matched with the T-shaped groove, the first dovetail groove and the first dovetail groove are arranged at two ends of the fixing piece, the first dovetail bulge is arranged at the bottom end of the connecting piece, the first dovetail bulge is matched with the first dovetail groove, the;

the auxiliary mowing mechanism comprises a cutting blade, a blade fixing seat, a connecting rod, a shaking piece, a motor shaft II, a motor fixing frame II, a triangular protrusion, a half-tooth gear, a T-shaped supporting rod, a fixing pipe, a buffer spring, a step through hole and a rectangular through hole III, wherein the cutting blade is fixedly connected with the blade fixing seat, a rectangular through hole III is arranged on a case, the cutting blade is in clearance connection with the rectangular through hole III, the bottom end of the blade fixing seat is fixedly connected with the top end of the connecting rod, the bottom end of the connecting rod is fixedly connected with the top end of the shaking piece, two ends of the shaking piece are fixedly connected with one end of the T-shaped supporting rod, one end of the fixing pipe is fixedly connected with the case, the fixing pipe is provided with the step through hole, the T-shaped end of the T-shaped supporting rod is matched with the step through, the other end of the buffer spring is fixedly connected with the case, a triangular bulge is arranged in the middle of the shaking piece and is meshed with the half-tooth gear, the middle of the half-tooth gear is fixedly connected with one end of a second motor shaft, the other end of the second motor shaft is connected with a motor bearing, the bottom end of the motor is fixedly connected with the top end of a second motor fixing frame, and the bottom end of the second motor fixing frame is fixedly connected with the bottom end of the case;

the protective cover mechanism with the water sprinkling function comprises a protective cover, spray heads, a water pipe, a first chain wheel, a first fixed frame, a first support rod, a first chain, a pressure water tank, a first double-chain wheel, a second chain, a second double-chain wheel, a third chain, a fourth chain wheel, a crank, a fixing screw, a first threaded blind hole, a second fixed frame, a second support rod, a third support rod, a fourth support rod, a solid cylinder, a first sealing sleeve, a water-proof piece, a fixed plug-in piece, a sealing gasket, a positioning rod, a compression spring, a cylindrical bulge, a first blind hole, a second blind hole and a third blind hole, wherein the bottom end of the protective cover is fixedly connected with the spray heads, a plurality of spray heads are uniformly distributed on the protective cover, the solid cylinder is arranged inside the protective cover, the first sealing sleeve is arranged on the surface, one end of the water pipe is fixedly connected with the pressure water tank, one end of the water-proof piece is provided with a blind hole II, the other end of the water-proof piece is provided with a blind hole I, the fixing plug-in is provided with a cylindrical bulge, the cylindrical bulge passes through a hole in the middle of the protective cover, the cylindrical bulge is matched with the blind hole I, the blind hole III is arranged in the middle of the protective cover, the blind hole III is matched with the compression spring, one end of the compression spring is fixedly connected with the protective cover, the other end of the compression spring is fixedly connected with the fixing plug-in, the positioning rod passes through a hole in the water-proof piece, two ends of the positioning rod are fixedly connected with the middle of the protective cover, the top end of the protective cover is fixedly connected with the support rod I, two ends of the support rod I are connected with a first bearing of the fixing frame, the first chain wheel is meshed, two ends of the second supporting rod are fixedly connected with the top end of the second fixing frame, one end of the second chain is meshed with the other side of the first double-chain wheel, the other end of the second chain is meshed with one side of the second double-chain wheel, the middle of the second double-chain wheel is connected with one end bearing of the third supporting rod, the other side of the second double-chain wheel is meshed with one end of the third chain, the other end of the third chain is meshed with the fourth chain wheel, the middle of the fourth chain wheel is connected with one end bearing of the fourth supporting rod, the crank is fixedly connected with the middle of the fourth chain wheel, the top end of the trolley handle is sequentially provided with a first threaded blind hole and a second threaded blind hole, a fixing screw is in threaded connection with;

the bottom end of the cart handle is fixedly connected with the right end of the mowing mechanism for mowing the grass with different heights, the bottom end of the mowing mechanism for mowing the grass with different heights is connected with the universal wheel, the left end of the mowing mechanism for mowing the grass with different heights is connected with the grass combing mechanism, the left end of the mowing mechanism for mowing the grass with different heights is connected with the auxiliary mowing mechanism, the protecting cover mechanism with the sprinkling function is connected with the mowing mechanism for mowing the grass with different heights, and the protecting cover mechanism with the sprinkling function is connected with the cart handle.

As a further optimization of the technical scheme, the first sealing sleeve and the sealing gasket of the multifunctional mower are made of the same materials and are made of rubber.

As further optimization of the technical scheme, the protective cover of the multifunctional mower is made of stainless steel.

The multifunctional mower has the beneficial effects that:

according to the multifunctional mower, the lawn with different lengths can be cut, the using requirements are met, the modeling of the lawn is facilitated, the lawn is more beautified, the device can be used for combing messy lawns and conveniently cutting the lawn, the device has an auxiliary mowing function, grass with higher length can be conveniently cut, the abrasion of a main mowing device can be reduced, the mowing is cleaner, the device is provided with the protection cover with a watering function, a blade can be prevented from hurting people, dust generated during mowing can be prevented from influencing the health of people, a dustproof effect is achieved, and the multifunctional mower has multiple functions.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a multifunctional mower of the present invention.

Fig. 2 is a schematic structural diagram of a mowing mechanism 2 for mowing grass with different heights of the multifunctional mower.

Fig. 3 is a partial cross-sectional view of fig. 2.

Fig. 4 is a top view of a first fixing box 2-23 of the multifunctional mower.

Fig. 5 is a top view of the second 2-24 fixed box of the multi-function mower.

Fig. 6 is a partial sectional view of a in fig. 1.

Fig. 7 is a partial cross-sectional view of fig. 1.

Fig. 8 is a schematic vertical sectional view of B-B in fig. 7.

Fig. 9 is a left side view of fig. 7.

Fig. 10 is a schematic structural view of the guard mechanism 6 with a watering function of the multifunction mower according to the present invention.

Fig. 11 is a partial cross-sectional view of fig. 10.

Fig. 12 is a partial enlarged view of C in fig. 11.

FIG. 13 is a view showing another state of use of the guard cover mechanism 6 with a watering function of the utility model

Fig. 14 is a partial enlarged view of D in fig. 13.

In the figure: a handlebar 1; a mowing mechanism 2 for mowing grass with different heights; a case 2-1; 2-2 of a bracket; 2-3 of a first support rod; 2-4 parts of a second supporting rod; 2-5 of a rectangular through hole I; 2-6 parts of a first limit button; fixing a first rod 2-7; fixing a screw cap I by 2-8; 2-9 parts of a threaded cylindrical rod I; 2-10 parts of a second fixing rod; fixing a second threaded cap 2-11; 2-12 parts of a threaded cylindrical rod II; 2-13 parts of a second limit button; 2-14 of the movable rod; 2-15 parts of a first crank rod; 2-16 parts of a crank rod II; 2-17 parts of a bent rod; 2-18 of a bent rod; shaft one 2-19; 2-20 parts of a second shaft; shaft three 2-21; shaft four 2-22; a first fixed box 2-23; a first half box body 2-23-1; a second half box body 2-23-2; 2-24 parts of a fixed box II; a third half box body 2-24-1; 2-24-2 parts of a half box body; 2-25 parts of a movable rod; bevel gears one 2-26; bevel gears two 2-27; bevel gears three 2-28; bevel gears four 2-29; bevel gears V2-30; six bevel gears 2-31; 2-32 parts of a gear rod I; 2-33 parts of a second gear rod; gear rods three 2-34; gear rod four 2-35; 2-36 parts of a first circular mowing blade; 2-37 parts of a circular mowing blade; a first motor fixing frame 2-38; 2-39 of a first motor; 2-40 parts of a gear rod; six gear rods 2-41; bevel gears seven 2-42 and motor shafts one 2-43; a universal wheel 3; a grass carding mechanism 4; 4-1 of carding wire; a needle plate 4-2; 4-3 of a fixing piece; 4-4 of T-shaped bulges; 4-5 of T-shaped groove; 4-6 of connecting pieces; 4-7 of a dovetail bulge I; 4-8 of a dovetail groove I; 4-9 of a dovetail bulge II; 4-10 parts of a dovetail groove II; an auxiliary mowing mechanism 5; a cutting blade 5-1; a blade fixing seat 5-2; 5-3 of a connecting rod; 5-4 of a shaking piece; 5-5 parts of a second motor shaft; 5-6 of a motor; 5-7 parts of a motor fixing frame II; 5-8 parts of triangular protrusions; 5-9 parts of a half-tooth gear; 5-10 parts of T-shaped support rod; 5-11 parts of a fixed pipe; 5-12 parts of buffer spring; 5-13 parts of a stepped through hole; 5-14 parts of rectangular through hole III; a protective cover mechanism 6 with a water sprinkling function; a protective cover 6-1; 6-2 of a spray head; 6-3 of a water pipe; 6-4 parts of a chain wheel I; 6-5 parts of a first fixing frame; 6-6 parts of a first support rod; 6-7 parts of a first chain; 6-8 parts of a pressure water tank; 6-9 parts of a double-chain wheel; 6-10 parts of a second chain; 6-11 parts of a double-chain sprocket; 6-12 parts of a chain; 6-13 parts of chain wheel; 6-14 parts of a crank; 6-15 parts of a fixing screw; 6-16 of a first threaded blind hole; 6-17 parts of a second threaded blind hole; 6-18 parts of a second fixing frame; 6-19 parts of a second support rod; 6-20 parts of a third support rod; support rod four 6-21; 6-22 parts of solid cylinder; 6-23 parts of a first sealing sleeve; 6-24 parts of a water stop piece; fixing inserts 6-25; 6-26 parts of sealing gasket; 6-27 parts of a positioning rod; 6-28 of compression spring; 6-29 parts of cylindrical protrusion; 6-30 parts of a first blind hole; 6-31 parts of a second blind hole; and (6) blind holes III-32.

Detailed Description

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14. the invention relates to a lawn mower, more specifically to a multifunctional lawn mower, which comprises a vehicle handle 1, a mowing mechanism 2 for mowing different heights of grass, a universal wheel 3, a grass combing mechanism 4, an auxiliary mowing mechanism 5, and a protective cover mechanism 6 with a watering function, the multifunctional lawn mower can cut lawns with different lengths, meets the use requirement, facilitates the modeling of the lawns, beautifies the lawns, can comb messy lawns, facilitates mowing, has the auxiliary mowing function, facilitates the mowing of higher grass, can reduce the abrasion of a main mowing device, mows cleanly, has a protective cover with the watering function, can prevent blades from hurting people, and can prevent dust from affecting the health of people when mowing, has dustproof effect and multiple functions.

The mowing mechanism 2 for mowing grass with different heights comprises a case 2-1, a support 2-2, a support rod I2-3, a support rod II 2-4, a rectangular through hole I2-5, a limit button I2-6, a fixed rod I2-7, a fixed threaded cap I2-8, a threaded cylindrical rod I2-9, a fixed rod II 2-10, a fixed threaded cap II 2-11, a threaded cylindrical rod II 2-12, a limit button II 2-13, a moving rod 2-14, a bent rod I2-15, a bent rod II 2-16, a bent rod III 2-17, a bent rod IV 2-18, a shaft I2-19, a shaft II 2-20, a shaft III 2-21, a shaft IV 2-22, a fixed box I2-23, a fixed box II 2-24, a moving rod 2-25, a bevel gear I2-26, 2-27 parts of a second bevel gear, 2-28 parts of a third bevel gear, 2-29 parts of a fourth bevel gear, 2-30 parts of a fifth bevel gear, 2-31 parts of a sixth bevel gear, 2-32 parts of a first gear rod, 2-33 parts of a second gear rod, 2-34 parts of a third gear rod, 2-35 parts of a fourth gear rod, 2-36 parts of a first round mowing blade, 2-37 parts of a second round mowing blade, 2-38 parts of a first motor fixing frame, 2-39 parts of a first motor, 2-40 parts of a fifth gear rod, 2-41 parts of a sixth gear rod, 2-42 parts of a seventh bevel gear and 2-43 parts of a first motor shaft, wherein the top end of a case 2-1 is fixedly connected with the bottom end of a support 2-2, the top end of the support 2-2 is fixedly connected with two ends of a, the first limit button 2-6 penetrates through the first rectangular through hole 2-5, the first limit button 2-6 is fixedly connected with the top end of the movable rod 2-14, the first limit button 2-6 can limit the moving range of the movable rod 2-14, the left end of the movable rod 2-14 is fixedly connected with the right end of the second fixed rod 2-10, the left end of the second fixed rod 2-10 is movably connected with the second fixed threaded cap 2-11, the second fixed threaded cap 2-11 can freely rotate on the second fixed rod 2-10, the left end of the bracket 2-2 is fixedly connected with the second threaded rod 2-12, the right end of the second fixed rod 2-10 is fixedly connected with the left end of the first fixed rod 2-7, the right end of the first fixed rod 2-7 is movably connected with the first fixed threaded cap 2-8, the first fixed threaded cap 2-8 can freely rotate on the first fixed rod 2-7, the right end of a support 2-2 is fixedly connected with a first threaded cylindrical rod 2-9, the bottom end of the support 2-2 is fixedly connected with two ends of a second support rod 2-4, a first rectangular through hole 2-5 is arranged in the middle of the second support rod 2-4, a second limit button 2-13 penetrates through the first rectangular through hole 2-5, the second limit button 2-13 is fixedly connected with a moving rod 2-14, the second limit button 2-13 can also limit the moving range of the moving rod 2-14, a moving rod 2-25 penetrates through a hole in the bottom end of the support 2-2, the support 2-2 has a supporting effect on the moving rod 2-25, the bottom end of the moving rod 2-14 is fixedly connected with the middle of the moving rod 2-25, and the left end of the moving rod 2-25 is connected with the top end shaft of a first curved rod 2-, the first bent rod 2-15 penetrates through a hole in the top end of the case 2-1, the first bent rod 2-15 is in clearance connection with the second shaft 2-20, the second shaft 2-20 has a fixing effect on the first bent rod 2-15, two ends of the second shaft 2-20 are fixedly connected with the top end of the case 2-1, the bottom end of the first bent rod 2-15 is in clearance connection with the left end shaft of the second fixed case 2-24, the movable rod 2-25 is in shaft connection with the top end of the second bent rod 2-16, the second bent rod 2-16 penetrates through a hole in the top end of the case 2-1, the middle of the second bent rod 2-16 is in clearance connection with the third shaft 2-21, the third shaft 2-21 has a fixing effect on the second bent rod 2-16, two ends of the third shaft 2-21 are fixedly connected with the top end of the case 2-1, and the bottom end of the third shaft 2-21 is in shaft connection, the top ends of the gear rods II 2-33 are fixed with the top ends inside the fixed boxes II 2-24, the bottom ends of the gear rods II 2-33 are connected with one end bearings of the bevel gears six 2-31 to provide reliable rotation for the bevel gears six 2-31, the bevel gears six 2-31 are in clearance connection with the fixed boxes II 2-24, the other ends of the bevel gears six 2-31 are fixedly connected with the top ends of the gear rods IV 2-35, the gear rods IV 2-35 sequentially penetrate through the holes in the bottom ends of the fixed boxes II 2-24 and the machine box 2-1, the bottom ends of the gear rods IV 2-35 are fixedly connected with the middles of the circular mowing blades I2-36, the bevel gears six 2-31 are meshed with the bevel gears V2-30, the bevel gears V2-30 are connected with the left ends of the gear rods six 2-41, the two ends of the gear rods six 2-41 are connected with the bearings of, reliable rotation is provided for the gear rods six 2-41, the right ends of the gear rods six 2-41 are fixedly connected with the bevel gears two 2-27, and the gear rods six 2-41 fixedly support the bevel gears two 2-27;

the movable rods 2-25 are connected with the top ends of the three bent rods 2-17 through shafts, the three bent rods 2-17 penetrate through holes on the top end of the case 2-1, the middle of the three bent rods 2-17 is connected with the four shafts 2-22 in a clearance mode, the four shafts 2-22 have a fixed supporting function on the three bent rods 2-17, two ends of the four shafts 2-22 are fixedly connected with the left ends of the first fixed cases 2-23, the right ends of the movable rods 2-25 are connected with the top ends of the four bent rods 2-18 through shafts, the four bent rods 2-18 penetrate through holes on the top end of the case 2-1, the middle of the four bent rods 2-18 are connected with the first shafts 2-19 in a clearance mode, the first shafts 2-19 have a fixed supporting function on the four bent rods 2-18, two ends of the first shafts 2-19 are fixedly connected with the top end of the case 2-1, the bottom ends of the first shafts 2-19 are, the top end of a gear rod I2-32 is fixedly connected with the top end inside a fixed box I2-23, the bottom end of the gear rod I2-32 is connected with one end bearing of a bevel gear IV 2-29 to provide reliable rotation for the bevel gear IV 2-29, the bevel gear IV 2-29 is in clearance connection with the fixed box I2-23, the other end of the bevel gear IV 2-29 is fixedly connected with a gear rod II 2-33, the gear rod II 2-33 sequentially passes through holes on the bottom ends of the fixed box I2-23 and a case 2-1, the bottom end of the gear rod II 2-33 is fixedly connected with the middle of a circular mowing blade II 2-37, the bevel gear IV 2-29 is meshed with a bevel gear III 2-28, the bevel gear III 2-28 is fixedly connected with the right end of a gear rod V2-40, the two ends of the gear rod V2-40 are connected with the left end bearing of the fixed box I2-, reliable rotation is provided for a gear rod five 2-40, the left end of the gear rod five 2-40 is fixedly connected with a bevel gear I2-26, two ends of a motor I2-39 are fixedly connected with the top end of a motor fixing frame I2-38, the motor I2-39 provides power for the device, the bottom end of the motor fixing frame I2-38 is fixedly connected with the bottom end of a case 2-1, the motor I2-39 is connected with a motor shaft I2-43 through a bearing to provide reliable rotation for the motor shaft I2-43, and the motor shaft I2-43 is fixedly connected with a bevel gear seven 2-42;

the first fixed box 2-23 comprises a first half box body 2-23-1 and a second half box body 2-23-2, and the first half box body 2-23-1 is fixedly connected with the second half box body 2-23-2 through welding;

the fixed box II 2-24 comprises a half box body III 2-24-1 and a half box body IV 2-24-2, and the half box body III 2-24-1 is fixedly connected with the half box body IV 2-24-2 through welding;

the grass carding mechanism 4 comprises a carding needle 4-1, a needle plate 4-2, a fixing piece 4-3, a T-shaped bulge 4-4, a T-shaped groove 4-5, a connecting piece 4-6, a dovetail bulge I4-7, a dovetail groove I4-8, a dovetail bulge II 4-9 and a dovetail groove II 4-10, the carding needle 4-1 is fixedly connected with one end of the needle plate 4-2, the carding needle 4-1 can comb disordered lawns to facilitate grass cutting, the other end of the needle plate 4-2 is fixedly connected with the bottom end of the fixing piece 4-3, the top end of the fixing piece 4-3 is provided with the T-shaped bulge 4-4, the bottom end of the case 2-1 is provided with the T-shaped groove 4-5, the T-shaped bulge 4-4 is matched with the T-shaped groove 4-5, and the fixing piece 4-3 fixes the relative position of the needle plate 4, two ends of the fixing piece 4-3 are provided with a first dovetail groove 4-8 and a first dovetail groove 4-8, the bottom end of the connecting piece 4-6 is provided with a first dovetail projection 4-7, the first dovetail projection 4-7 is matched with the first dovetail groove 4-8, the top end of the connecting piece 4-6 is provided with a second dovetail projection 4-9, the bottom end of the case 2-1 is provided with a second dovetail groove 4-10, the second dovetail projection 4-9 is matched with the second dovetail groove 4-10, and the connecting piece 4-6 fixes the relative position of the fixing piece 4-3 and the fixing piece 4-3, so that the structure is stable;

the auxiliary mowing mechanism 5 comprises a cutting blade 5-1, a blade fixing seat 5-2, a connecting rod 5-3, a shaking piece 5-4, a motor shaft II 5-5, a motor 5-6, a motor fixing frame II 5-7, a triangular bulge 5-8, a half-tooth gear 5-9, a T-shaped supporting rod 5-10, a fixing pipe 5-11, a buffer spring 5-12, a stepped through hole 5-13 and a rectangular through hole III 5-14, wherein the cutting blade 5-1 is fixedly connected with the blade fixing seat 5-2, the case 2-1 is provided with the rectangular through hole III 5-14, the cutting blade 5-1 is in clearance connection with the rectangular through hole III 5-14, the bottom end of the blade fixing seat 5-2 is fixedly connected with the top end of the connecting rod 5-3, the connecting rod 5-3 has a supporting and fixing function for the blade fixing seat 5-2, the bottom end of the connecting rod 5-3 is fixedly connected with the top end of the shaking piece 5-4, the two ends of the shaking piece 5-4 are fixedly connected with one end of the T-shaped supporting rod 5-10, the T-shaped supporting rod 5-10 has a fixing and supporting function for the shaking piece 5-4, one end of the fixed tube 5-11 is fixedly connected with the case 2-1, the fixed tube 5-11 is provided with a step through hole 5-13, the T-shaped end of the T-shaped supporting rod 5-10 is adapted with the step through hole 5-13, the buffer spring 5-12 is adapted with one end of the step through hole 5-13, one end of the buffer spring 5-12 is fixedly connected with the T-shaped end of the T-shaped supporting rod 5-10, and the other end of the buffer spring 5, the buffer springs 5-12 have a buffer effect on the shaking of the T-shaped support rods 5-10, the fixed tubes 5-11 have a support effect on the T-shaped support rods 5-10, the middle of the shaking piece 5-4 is provided with triangular protrusions 5-8, the triangular protrusions 5-8 are meshed with the half-tooth gears 5-9, the middle of the half-tooth gears 5-9 is fixedly connected with one end of a motor shaft II 5-5, the other end of the motor shaft II 5-5 is connected with a bearing of the motor 5-6 to provide reliable rotation for the motor shaft II 5-5, the motor 5-6 provides driving force for the device, the bottom end of the motor 5-6 is fixedly connected with the top end of a motor fixing frame II 5-7, and the bottom end of the motor fixing frame II 5-7 is fixedly connected with the bottom end of the case 2;

the protective cover mechanism 6 with the water sprinkling function comprises a protective cover 6-1, a spray head 6-2, a water pipe 6-3, a chain wheel I6-4, a fixed frame I6-5, a support rod I6-6, a chain I6-7, a pressure water tank 6-8, a double-chain wheel I6-9, a chain II 6-10, a double-chain wheel II 6-11, a chain III 6-12, a chain wheel IV 6-13, a crank 6-14, a fixing screw 6-15, a threaded blind hole I6-16, a threaded blind hole II 6-17, a fixed frame II 6-18, a support rod II 6-19, a support rod III 6-20, a support rod IV 6-21, a solid cylinder 6-22, a seal sleeve I6-23, a water-resisting piece 6-24, a fixed inserting piece 6-25, a water pipe 6-, 6-26 parts of sealing gasket, 6-27 parts of positioning rod, 6-28 parts of compression spring, 6-29 parts of cylindrical protrusion, 6-30 parts of first blind hole, 6-31 parts of second blind hole and 6-32 parts of third blind hole, the bottom end of the protective cover 6-1 is fixedly connected with the spray head 6-2, a plurality of spray heads 6-2 are uniformly distributed on the protective cover 6-1, a solid cylinder 6-22 is arranged inside the protective cover 6-1, a first sealing sleeve 6-23 is arranged on the surface of the solid cylinder 6-22, the solid cylinder 6-22 has secondary water-blocking effect, a water-blocking part 6-24 is arranged in the middle of the protective cover 6-1, one end of the water-blocking part 6-24 is provided with the sealing gasket 6-26, the water-blocking part 6-24 can block water, one end of the water pipe 6-, one end of a water pipe 6-3 is fixedly connected with a pressure water tank 6-8, one end of a water stop piece 6-24 is provided with a second blind hole 6-31, the other end of the water stop piece 6-24 is provided with a first blind hole 6-30, a fixing plug-in 6-25 is provided with a cylindrical bulge 6-29, the cylindrical bulge 6-29 penetrates through a hole in the middle of a protective cover 6-1, the cylindrical bulge 6-29 is matched with the first blind hole 6-30, the fixing plug-in 6-25 fixes the relative positions of the water stop piece 6-24 and the protective cover 6-1, a third blind hole 6-32 is arranged in the middle of the protective cover 6-1, the third blind hole 6-32 is matched with a compression spring 6-28, one end of the compression spring 6-28 is fixedly connected with the protective cover 6-1, and the other end of the compression spring 6-28 is, the compression spring 6-28 fixes the relative positions of the fixed plug-in 6-25 and the protective cover 6-1, the positioning rod 6-27 passes through a hole on the water-stop piece 6-24, the two ends of the positioning rod 6-27 are fixedly connected with the middle of the protective cover 6-1, the top end of the protective cover 6-1 is fixedly connected with the supporting rod one 6-6, the chain wheel one 6-4 is fixedly connected with the supporting rod one 6-6, the two ends of the supporting rod one 6-6 are connected with the fixed frame one 6-5 bearings to provide reliable rotation for the supporting rod one 6-6, the chain wheel one 6-4 is meshed with one end of the chain wheel one 6-7, the other end of the chain wheel one 6-7 is meshed with one side of the double chain wheel one 6-9, the middle of the double chain wheel one 6-9 is connected with the supporting rod two 6, the two ends of the supporting rod II 6-19 are fixedly connected with the top ends of the fixing frames II 6-18, one end of the chain II 6-10 is meshed with the other side of the double-chain wheel I6-9, the other end of the chain II 6-10 is meshed with one side of the double-chain wheel II 6-11, the middle of the double-chain wheel II 6-11 is connected with one end bearing of the supporting rod III 6-20 to provide reliable rotation for the double-chain wheel II 6-11, the other side of the double-chain wheel II 6-11 is meshed with one end of the chain III 6-12, the other end of the chain III 6-12 is meshed with the chain wheel IV 6-13, the middle of the chain wheel IV 6-13 is connected with one end bearing of the supporting rod IV 6-21 to provide reliable rotation for the chain wheel IV 6-13, the crank 6-14 is fixedly connected with the middle of the chain wheel four 6-13, the top end of the cart handle 1 is sequentially provided with a first threaded blind hole 6-16 and a second threaded blind hole 6-17, the fixing screw 6-15 is in threaded connection with the crank 6-14, the fixing screw 6-15 is in threaded connection with the first threaded blind hole 6-16, and the fixing screw 6-15 fixes the relative positions of the crank 6-14 and the cart handle 1;

the bottom end of a cart handle 1 is fixedly connected with the right end of a mowing mechanism 2 for mowing different heights, the mowing mechanism 2 for mowing different heights can mow lawns with different lengths, the using requirements are met, the modeling of the lawns is convenient, the lawns are more beautified, the bottom end of the mowing mechanism 2 for mowing different heights is connected with a universal wheel 3, the universal wheel 3 can enable the device to move freely, the left end of the mowing mechanism 2 for mowing different heights is connected with a grass combing mechanism 4, the grass combing mechanism 4 can comb messy lawns and facilitate mowing, the left end of the mowing mechanism 2 for mowing different heights is connected with an auxiliary mowing mechanism 5, the auxiliary mowing mechanism 5 can assist in mowing, the grass with higher length can be conveniently mowed, the abrasion of a main mowing device can be reduced, the mowing is cleaner, a protective cover mechanism 6 with a watering function is connected with the mowing mechanism 2 for mowing different heights, the protective cover mechanism 6 with the water spraying function is connected with the trolley handle 1, and the protective cover mechanism 6 with the water spraying function can prevent dust generated during mowing from affecting human health, plays a role in dust prevention and has multiple functions.

The second embodiment is as follows:

the present embodiment is described below with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, and fig. 14, and the present embodiment further describes the first embodiment, in which the first seal boot 6-23 and the seal gasket 6-26 are made of the same material and are made of rubber.

The third concrete implementation mode:

the present embodiment will be described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, and 14, and the first embodiment will be further described with reference to the present embodiment in which the material of the protective cover 6-1 is stainless steel.

The use method of the device comprises the following steps: the device can cut lawns with different lengths, meets the use requirements, is convenient for modeling the lawns and beautifies the lawns, when the fixed threaded cap II 2-11 is screwed on the threaded cylindrical rod II 2-12, the moving rod 2-14 is dragged to move leftwards, the moving rod 2-14 drives the moving rod 2-25 to move leftwards, the moving rod 2-25 drives the curved rod I2-15 and the curved rod II 2-16 to enable the bevel gear II 2-27 and the bevel gear VII 2-42 to be meshed, the rotation of the bevel gear VII 2-42 drives the bevel gear II 2-27, the bevel gear II 2-27 drives the bevel gear V2-30 to rotate, the bevel gear V2-30 drives the bevel gear VI 2-31 to rotate, the bevel gear VI 2-31 drives the circular mowing blade I2-36 to rotate, thereby realizing the mowing function, the first round mowing blades 2 to 36 can cut shorter lawns, and when the first fixed threaded caps 2 to 8 are screwed on the first threaded cylindrical rods 2 to 9, dragging the moving rod 2-14 to move rightwards, driving the moving rod 2-14 to drive the moving rod 2-25 to move rightwards, driving the curved rod three 2-17 and the curved rod four 2-18 by the moving rod 2-25 to enable the bevel gear one 2-26 to be meshed with the bevel gear seven 2-42, driving the bevel gear one 2-26 to rotate by the bevel gear seven 2-42, driving the bevel gear three 2-28 to rotate by the bevel gear one 2-28, driving the bevel gear four 2-29 to rotate by the bevel gear three 2-29, and driving the circular mowing blade two 2-37 to rotate by the bevel gear four 2-29 to realize a mowing function, wherein the length of a lawn cut by the circular mowing blade two 2-37 is longer than that of a lawn cut by the circular mowing blade one 2-36; the device is provided with a carding needle 4-1, and the carding needle 4-1 can comb messy lawns, so that the lawn mower is convenient to mow; the device has an auxiliary mowing function, can conveniently cut grass growing to be higher, can also reduce the abrasion of a main mowing device, mow the grass more cleanly, the rotation of the half-tooth gear 5-9 drives the shaking piece 5-4 to shake left and right, the shaking piece 5-4 moves left and right to drive the T-shaped supporting rod 5-10 to move, the buffer spring 5-12 has a buffer effect on the T-shaped supporting rod 5-10, the shaking piece 5-4 drives the cutting blade 5-1 to shake left and right, the mowing function is realized, the grass growing to be higher can be conveniently cut, the abrasion of the main mowing device can also be reduced, and the grass can be mowed more cleanly; the device has a protective cover with a water spraying function, can prevent a blade from hurting people and prevent dust from influencing the health of people during mowing, plays a role of dust prevention, has multifunctionality, can prevent a cutting blade 5-1 from hurting people when the protective cover 6-1 is placed statically, rotates a crank 6-14 for 90 degrees, then screws a fixing screw 6-15 on a second threaded blind hole 6-17, fixes the position of the crank 6-14 by the fixing screw 6-15, drives a chain wheel 6-13 to rotate by the crank 6-14, drives a chain wheel three 6-12 by the chain wheel four 6-13, drives a chain wheel two 6-11 to rotate by the chain wheel three 6-12, drives a chain wheel two 6-10 by the chain wheel two 6-11, drives the chain wheel one 6-9 to rotate by the chain wheel two 6-10, the first double-chain sprocket 6-9 drives the first chain 6-7, the first chain 6-7 drives the first chain 6-4 to rotate, the first chain 6-4 drives the first support rod 6-6 to rotate, the first support rod 6-6 drives the first protective cover 6-1 to rotate, so that the protective cover 6-1 is lifted, the inner solid cylinder 6-22 rolls when the protective cover 6-1 is lifted, after the solid cylinder 6-22 impacts the water-stop piece 6-24, the fixed plug-in piece 6-25 is pulled out of the first blind hole 6-30, at the moment, the solid cylinder 6-22 rotates the water-stop piece 6-24 by utilizing the self gravity, the fixed plug-in piece 6-25 is loosened, the fixed plug-in piece 6-25 is inserted into the second blind hole 6-31, so that water is injected into the protective cover 6-1 to realize the water sprinkling function, and prevent dust from influencing the health, plays a role of dust prevention and makes the device have multiple functions.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a multifunctional mower, includes shallow handle (1), cuts not lawn mower of co-altitude grass (2), universal wheel (3), comb grass mechanism (4), supplementary lawn mower constructs (5), takes safety cover mechanism (6) of watering function, its characterized in that: the mowing mechanism (2) for mowing grasses with different heights comprises a case (2-1), a support (2-2), a first support rod (2-3), a second support rod (2-4), a first rectangular through hole (2-5), a first limit button (2-6), a first fixed rod (2-7), a first fixed threaded cap (2-8), a first threaded cylindrical rod (2-9), a second fixed rod (2-10), a second fixed threaded cap (2-11), a second threaded cylindrical rod (2-12), a second limit button (2-13), a movable rod (2-14), a first curved rod (2-15), a second curved rod (2-16), a third curved rod (2-17), a fourth curved rod (2-18), a first shaft (2-19), a second shaft (2-20), a third shaft (2-21), A fourth shaft (2-22), a first fixed box (2-23), a second fixed box (2-24), a movable rod (2-25), a first bevel gear (2-26), a second bevel gear (2-27), a third bevel gear (2-28), a fourth bevel gear (2-29), a fifth bevel gear (2-30), a sixth bevel gear (2-31), a first gear rod (2-32), a second gear rod (2-33), a third gear rod (2-34), a fourth gear rod (2-35), a first circular mowing blade (2-36), a second circular mowing blade (2-37), a first motor fixing frame (2-38), a first motor (2-39), a fifth gear rod (2-40), a sixth gear rod (2-41), a seventh bevel gear (2-42) and a first motor shaft (2-43), the top end of a case (2-1) is fixedly connected with the bottom end of a support (2-2), the top end of the support (2-2) is fixedly connected with the two ends of a first support rod (2-3), a rectangular through hole I (2-5) is arranged in the middle of the first support rod (2-3), a first limit button (2-6) penetrates through the rectangular through hole I (2-5), the first limit button (2-6) is fixedly connected with the top end of a movable rod (2-14), the left end of the movable rod (2-14) is fixedly connected with the right end of a second fixed rod (2-10), the left end of the second fixed rod (2-10) is movably connected with a second fixed threaded cap (2-11), the left end of the support (2-2) is fixedly connected with a second threaded cylindrical rod (2-12), the right end of the second fixed rod (2-10) is fixedly connected with the left end of the first fixed rod (2-7), the right end of a fixed rod I (2-7) is movably connected with a fixed thread cap I (2-8), the right end of a support (2-2) is fixedly connected with a thread cylindrical rod I (2-9), the bottom end of the support (2-2) is fixedly connected with the two ends of a support rod II (2-4), a rectangular through hole I (2-5) is arranged in the middle of the support rod II (2-4), a limit button II (2-13) penetrates through the rectangular through hole I (2-5), the limit button II (2-13) is fixedly connected with a movable rod (2-14), a movable rod (2-25) penetrates through a hole in the bottom end of the support (2-2), the bottom end of the movable rod (2-14) is fixedly connected with the middle of the movable rod (2-25), the left end of the movable rod (2-25) is connected with the top shaft of a curved rod I (2-15), the first bent rod (2-15) penetrates through a hole on the top end of the case (2-1), the first bent rod (2-15) is in clearance connection with the second shaft (2-20), two ends of the second shaft (2-20) are fixedly connected with the top end of the case (2-1), the bottom end of the first bent rod (2-15) is in shaft connection with the left end of the second fixed case (2-24), the movable rod (2-25) is in shaft connection with the top end of the second bent rod (2-16), the second bent rod (2-16) penetrates through a hole on the top end of the case (2-1), the middle of the second bent rod (2-16) is in clearance connection with the third shaft (2-21), two ends of the third shaft (2-21) are fixedly connected with the top end of the case (2-1), the bottom end of the third shaft (2-21) is in shaft connection with the right end of the second fixed case (2-24), the top end of the gear rod II (2-33) is fixed with the top end of the inside of the fixed box II (2-24), the bottom end of the gear rod II (2-33) is in bearing connection with one end of the bevel gear six (2-31), the bevel gear six (2-31) is in clearance connection with the fixed box II (2-24), the other end of the bevel gear six (2-31) is fixedly connected with the top end of the gear rod IV (2-35), the gear rod IV (2-35) sequentially passes through the holes on the bottom ends of the fixed box II (2-24) and the case (2-1), the bottom end of the gear rod IV (2-35) is fixedly connected with the middle of the circular mowing blade I (2-36), the bevel gear six (2-31) is meshed with the bevel gear five (2-30), the bevel gear five (2-30) is connected with the left end of the gear rod six (2-41), two ends of a gear rod six (2-41) are in bearing connection with a fixed box II (2-24), and the right end of the gear rod six (2-41) is fixedly connected with a bevel gear II (2-27); the movable rods (2-25) are connected with the top ends of the bent rods (2-17) in a shaft mode, the bent rods (2-17) penetrate through holes in the top end of the case (2-1), the middles of the bent rods (2-17) are connected with the shafts (2-22) in a clearance mode, two ends of the shafts (2-22) are fixedly connected with the left ends of the fixed cases (2-23), the right ends of the movable rods (2-25) are connected with the top ends of the bent rods (2-18) in a shaft mode, the bent rods (2-18) penetrate through holes in the top end of the case (2-1), the middles of the bent rods (2-18) are connected with the shafts (2-19) in a clearance mode, two ends of the shafts (2-19) are fixedly connected with the top end of the case (2-1), the bottom ends of the shafts (2-19) are connected with the right ends of the fixed cases (2-23) in a shaft, the top end of a gear rod I (2-32) is fixedly connected with the top end inside a fixed box I (2-23), the bottom end of the gear rod I (2-32) is connected with one end bearing of a bevel gear II (2-29), the bevel gear II (2-29) is in clearance connection with the fixed box I (2-23), the other end of the bevel gear II (2-29) is fixedly connected with a gear rod II (2-33), the gear rod II (2-33) sequentially penetrates through holes in the bottom ends of the fixed box I (2-23) and the case (2-1), the bottom end of the gear rod II (2-33) is fixedly connected with the middle of a round mowing blade II (2-37), the bevel gear II (2-29) is meshed with a bevel gear III (2-28), the bevel gear III (2-28) is fixedly connected with the right end of a gear rod V (2-40), two ends of a gear rod five (2-40) are connected with a left end bearing of a fixed box I (2-23), the left end of the gear rod five (2-40) is fixedly connected with a bevel gear I (2-26), two ends of a motor I (2-39) are fixedly connected with the top end of a motor fixing frame I (2-38), the bottom end of the motor fixing frame I (2-38) is fixedly connected with the bottom end of a case (2-1), the motor I (2-39) is connected with a motor shaft I (2-43) through a bearing, and the motor shaft I (2-43) is fixedly connected with a bevel gear VII (2-42);

the first fixed box (2-23) comprises a first half box (2-23-1) and a second half box (2-23-2), and the first half box (2-23-1) is fixedly connected with the second half box (2-23-2) through welding;

the second fixed box (2-24) comprises a third half box (2-24-1) and a fourth half box (2-24-2), and the third half box (2-24-1) is fixedly connected with the fourth half box (2-24-2) through welding;

the grass combing mechanism (4) comprises a combing needle (4-1), a needle plate (4-2), a fixing piece (4-3), a T-shaped bulge (4-4), a T-shaped groove (4-5), a connecting piece (4-6), a dovetail bulge I (4-7), a dovetail groove I (4-8), a dovetail bulge II (4-9) and a dovetail groove II (4-10), wherein the combing needle (4-1) is fixedly connected with one end of the needle plate (4-2), the other end of the needle plate (4-2) is fixedly connected with the bottom end of the fixing piece (4-3), the top end of the fixing piece (4-3) is provided with the T-shaped bulge (4-4), the bottom end of the case (2-1) is provided with the T-shaped groove (4-5), and the T-shaped bulge (4-4) is matched with the T-shaped groove (4, two ends of the fixing piece (4-3) are provided with a first dovetail groove (4-8), the bottom end of the connecting piece (4-6) is provided with a first dovetail protrusion (4-7), the first dovetail protrusion (4-7) is matched with the first dovetail groove (4-8), the top end of the connecting piece (4-6) is provided with a second dovetail protrusion (4-9), the bottom end of the case (2-1) is provided with a second dovetail groove (4-10), and the second dovetail protrusion (4-9) is matched with the second dovetail groove (4-10);

the auxiliary mowing mechanism (5) comprises a cutting blade (5-1), a blade fixing seat (5-2), a connecting rod (5-3), a shaking piece (5-4), a motor shaft II (5-5), a motor (5-6), a motor fixing frame II (5-7), a triangular bulge (5-8), a half-tooth gear (5-9), a T-shaped supporting rod (5-10), a fixing pipe (5-11), a buffer spring (5-12), a stepped through hole (5-13) and a rectangular through hole III (5-14), wherein the cutting blade (5-1) is fixedly connected with the blade fixing seat (5-2), a rectangular through hole III (5-14) is arranged on a case (2-1), and the cutting blade (5-1) is in clearance connection with the rectangular through hole III (5-14), the bottom end of the blade fixing seat (5-2) is fixedly connected with the top end of the connecting rod (5-3), the bottom end of the connecting rod (5-3) is fixedly connected with the top end of the shaking piece (5-4), two ends of the shaking piece (5-4) are fixedly connected with one end of the T-shaped supporting rod (5-10), one end of the fixed tube (5-11) is fixedly connected with the case (2-1), the fixed tube (5-11) is provided with a step through hole (5-13), the T-shaped end of the T-shaped supporting rod (5-10) is matched with the step through hole (5-13), the buffer spring (5-12) is matched with one end of the step through hole (5-13), one end of the buffer spring (5-12) is fixedly connected with the T-shaped end of the T-shaped supporting rod (5-10), and the other end of the buffer spring (5-12) is fixedly connected with the case (2-1), a triangular bulge (5-8) is arranged in the middle of the shaking piece (5-4), the triangular bulge (5-8) is meshed with a half-tooth gear (5-9), the middle of the half-tooth gear (5-9) is fixedly connected with one end of a motor shaft II (5-5), the other end of the motor shaft II (5-5) is connected with a motor (5-6) bearing, the bottom end of the motor (5-6) is fixedly connected with the top end of a motor fixing frame II (5-7), and the bottom end of the motor fixing frame II (5-7) is fixedly connected with the bottom end of the case (2-1);

the protective cover mechanism (6) with the water spraying function comprises a protective cover (6-1), a spray head (6-2), a water pipe (6-3), a chain wheel I (6-4), a fixed frame I (6-5), a support rod I (6-6), a chain I (6-7), a pressure water tank (6-8), a double-chain wheel I (6-9), a chain II (6-10), a double-chain wheel II (6-11), a chain III (6-12), a chain wheel IV (6-13), a crank (6-14), a fixing screw (6-15), a threaded blind hole I (6-16), a threaded blind hole II (6-17), a fixed frame II (6-18), a support rod II (6-19), a support rod III (6-20), a support rod IV (6-21), The device comprises a solid cylinder (6-22), a first sealing sleeve (6-23), water-stop pieces (6-24), a fixed plug-in piece (6-25), a sealing gasket (6-26), a positioning rod (6-27), a compression spring (6-28), a cylindrical protrusion (6-29), a first blind hole (6-30), a second blind hole (6-31) and a third blind hole (6-32), wherein the bottom end of a protective cover (6-1) is fixedly connected with a spray head (6-2), a plurality of spray heads (6-2) are uniformly distributed on the protective cover (6-1), the solid cylinder (6-22) is arranged inside the protective cover (6-1), the first sealing sleeve (6-23) is arranged on the surface of the solid cylinder (6-22), the water-stop pieces (6-24) are arranged in the middle inside the protective cover (6-1), one end of the water stop piece (6-24) is provided with a sealing pad (6-26), one end of the water pipe (6-3) is fixedly connected with the middle of the protective cover (6-1), one end of the water pipe (6-3) is fixedly connected with the pressure water tank (6-8), one end of the water stop piece (6-24) is provided with a blind hole II (6-31), the other end of the water stop piece (6-24) is provided with a blind hole I (6-30), the fixed plug-in piece (6-25) is provided with a cylindrical bulge (6-29), the cylindrical bulge (6-29) penetrates through a hole in the middle of the protective cover (6-1), the cylindrical bulge (6-29) is adapted to the blind hole I (6-30), the blind hole III (6-32) is arranged in the middle of the protective cover (6-1), and the blind hole III (6-32) is adapted to the compression spring (6, one end of a compression spring (6-28) is fixedly connected with a protective cover (6-1), the other end of the compression spring (6-28) is fixedly connected with a fixed plug-in (6-25), a positioning rod (6-27) penetrates through a hole on a water-stop piece (6-24), two ends of the positioning rod (6-27) are fixedly connected with the middle of the protective cover (6-1), the top end of the protective cover (6-1) is fixedly connected with a supporting rod I (6-6), a chain wheel I (6-4) is fixedly connected with the supporting rod I (6-6), two ends of the supporting rod I (6-6) are connected with a bearing of a fixed frame I (6-5), the chain wheel I (6-4) is meshed with one end of a chain I (6-7), the other end of the chain I (6-7) is meshed with one side of a double-chain wheel I (6-9), the middle of the first double-chain wheel (6-9) is connected with a bearing of the second supporting rod (6-19), the two ends of the second supporting rod (6-19) are fixedly connected with the top end of the second fixed frame (6-18), one end of the second chain (6-10) is meshed with the other side of the first double-chain wheel (6-9), the other end of the second chain (6-10) is meshed with one side of the second double-chain wheel (6-11), the middle of the second double-chain wheel (6-11) is connected with one end of the third supporting rod (6-20), the other side of the second double-chain wheel (6-11) is meshed with one end of the third chain (6-12), the other end of the third chain (6-12) is meshed with the fourth chain wheel (6-13), the middle of the fourth chain wheel (6-13) is connected with one end of the fourth supporting rod (6-21), the crank (6-14) is fixedly connected with the middle of the chain wheel IV (6-13), the top end of the cart handle (1) is sequentially provided with a first threaded blind hole (6-16) and a second threaded blind hole (6-17), the fixing screw (6-15) is in threaded connection with the crank (6-14), and the fixing screw (6-15) is in threaded connection with the first threaded blind hole (6-16);

the bottom end of a trolley handle (1) is fixedly connected with the right end of a mowing mechanism (2) for mowing grass with different heights, the bottom end of the mowing mechanism (2) for mowing grass with different heights is connected with a universal wheel (3), the left end of the mowing mechanism (2) for mowing grass with different heights is connected with a grass combing mechanism (4), the left end of the mowing mechanism (2) for mowing grass with different heights is connected with an auxiliary mowing mechanism (5), a protective cover mechanism (6) with a water sprinkling function is connected with the mowing mechanism (2) for mowing grass with different heights, and a protective cover mechanism (6) with a water sprinkling function is connected with the trolley handle (1);

the protective cover (6-1) is made of stainless steel.