CN111758373A

CN111758373A - Height-adjustable lawn trimming device for landscaping

Info

Publication number: CN111758373A
Application number: CN202010764765.8A
Authority: CN
Inventors: 王成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-10-13

Abstract

The invention discloses a height-adjustable lawn trimming device for landscaping, which comprises a fixed shell, wherein a trimming cavity is arranged at the bottom end inside the fixed shell, a plurality of rack grooves which are linearly arranged at equal intervals are arranged at the bottom end of the trimming cavity in a penetrating manner, a transmission cavity is arranged at the upper end inside the fixed shell, an inclined rod is arranged at one side of the fixed shell, and rotating rod fixing lugs are fixedly arranged at the positions, close to the two sides, of the upper end of the fixed shell The inclined rod and the connecting pipe are input into the absorption cylinder to solve the problems in the prior art.

Description

Height-adjustable lawn trimming device for landscaping

Technical Field

The invention relates to landscaping, in particular to a height-adjustable lawn trimming and cutting device for landscaping.

Background

At present, along with the improvement of living standard of people in China, the requirement of people on the greening level of living environment is higher and higher, particularly, villas with gardens are increased continuously, and in addition, large-area lawns exist in the places basically, a lawn trimming machine is needed to trim the lawns, and the traditional lawn trimmer cannot adjust the height of trimming the lawns and cannot process the trimmed grass. Therefore, the invention provides a height-adjustable lawn mowing device for landscaping, which solves the problems in the background art.

Disclosure of Invention

The invention aims to provide a height-adjustable lawn mowing device for landscaping, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a height-adjustable lawn trimming device for landscaping comprises a fixed shell, wherein a trimming cavity is formed in the bottom end of the inside of the fixed shell, a plurality of rack grooves which are linearly arranged at equal intervals are formed in the bottom end of the trimming cavity in a penetrating mode, a transmission cavity is formed in the upper end of the inside of the fixed shell, an inclined rod is arranged on one side of the fixed shell, rotating rod fixing lugs are fixedly arranged at positions, close to two sides, of the upper end of the fixed shell, and screw rod fixing lugs are fixedly arranged on two sides of the fixed shell;

a trimming device is arranged in the fixed shell, a plurality of trimming racks are arranged in the trimming device, the trimming racks are positioned at the upper sides of the rack grooves corresponding to the positions, rack fixing lugs are fixedly arranged at both sides of the trimming racks, a first rotating disc is arranged at the upper side of one end of each trimming rack, a first eccentric rotating shaft is fixedly arranged at the position, close to the edge, of the bottom end of the first rotating disc, penetrates through the rack fixing lugs and is rotatably connected with the rack fixing lugs, a first fixing column is fixedly arranged at the upper end of the first rotating disc, penetrates through a partition plate between the trimming cavity and the transmission cavity and is rotatably connected with the partition plate, a gear is fixedly arranged at the top end of the first fixing column, a first belt wheel is fixedly arranged at the upper end of the gear, a transmission gear meshed with each other is arranged at one side of the gear, a fixed block is fixedly arranged at the, the output shaft of the trimming motor penetrates through the fixing block to be fixedly connected with the transmission gear, a second rotating disc is arranged on the upper side of one end, away from the first rotating disc, of the trimming rack, a second eccentric rotating shaft is fixedly arranged at the position, close to the edge, of the bottom end of the second rotating disc, a second eccentric rotating shaft penetrates through a rack fixing lug corresponding to the position, and is rotatably connected with the rack fixing lug, a second fixing column is fixedly arranged at the upper end of the second rotating disc, penetrates through a partition plate between the trimming cavity and the transmission cavity and is rotatably connected with the partition plate, a second belt wheel is fixedly arranged at the top end of the second fixing column, and a transmission belt is connected between the;

the lifting device is arranged on the fixed shell and comprises a rotating rod positioned at the upper end of the fixed shell, the rotating rod penetrates through a rotating rod fixing lug and is connected with the rotating rod fixing lug in a rotating mode, rotating rod inclined gears are fixedly arranged at two ends of the rotating rod, a sliding rod is arranged at one side of a screw rod fixing lug, sliding rod fixing lugs are fixedly arranged at the upper end and the lower end of the sliding rod, a sliding block is arranged on the sliding rod and penetrates through the sliding block to be connected with the sliding block in a sliding mode, a roller fixing block is fixedly arranged at the bottom side of the sliding block and extends out of the bottom end of the sliding block, a roller is fixedly arranged at one side of the roller fixing block and is connected with the roller fixing block in a rotating mode, a screw rod is arranged on the sliding block and penetrates through the sliding block to be connected with the sliding block in a threaded mode, a limiting block is fixedly arranged at, the screw rod passes and is connected with rotating between the fixed ear of screw rod and the fixed ear of screw rod, and stopper and screw rod bevel gear are located the upper and lower both sides of the fixed ear of screw rod respectively.

As a further scheme of the invention, the inclined rod is communicated with the trimming cavity, one side of the inclined rod is provided with a connecting pipe, and the connecting pipe is communicated with the inclined rod, so that the crushed grass trimmed in the trimming cavity can be sucked out conveniently.

As a further scheme of the present invention, an absorption device is disposed at the upper end of the fixed casing, the absorption device includes an absorption cylinder fixed at the top end of the fixed casing, a fixed ring is fixedly disposed in the absorption cylinder near the middle of the bottom end, a plurality of fixed ring connecting rods arranged at equal intervals are connected between the fixed ring and the inner wall of the absorption cylinder, a motor is fixedly disposed at the bottom end of the fixed ring, an output shaft of the motor penetrates through the fixed ring and is fixedly connected with the fan blades, and a ventilation screen plate is disposed in the absorption cylinder and located at the upper end of the fan blades, so that the chopped grass trimmed in the trimming cavity can be conveniently sucked into the absorption cylinder.

As a further scheme of the invention, the cylindrical wall at the bottom end of the absorption cylinder is provided with uniformly distributed absorption cylinder air pressure balancing holes in a penetrating manner to balance the air pressure in the absorption cylinder, so that the crushed grass trimmed in the trimming cavity can be conveniently sucked into the absorption cylinder.

As a further scheme of the invention, a connecting pipe is connected between the connecting pipe and the top end of the absorption cylinder, so that the chopped grass trimmed in the trimming cavity can be conveniently sucked into the absorption cylinder.

As a further scheme of the invention, a plurality of air holes which are arranged in a matrix and at equal intervals are arranged on the side wall of the trimming cavity far away from the inclined rod in a penetrating manner, and the air pressure in the trimming cavity is convenient for sucking the chopped grass trimmed in the trimming cavity into the absorption cylinder.

As a further scheme of the invention, the inclined rod is fixedly provided with a connecting rod, and one end of the connecting rod, which is far away from the inclined rod, is fixedly provided with a handle, so that the push-pull device can move conveniently.

As a further scheme of the present invention, a second thrust spring is sleeved on the second fixing column, a first thrust spring is sleeved on the first fixing column, the second thrust spring and the first thrust spring are both located in the trimming cavity, and under the thrust action of the second thrust spring and the first thrust spring, the trimming rack is pushed to extrude the trimming rack, so that the trimming rack is attached to the bottom wall of the trimming cavity, and the trimming teeth on both sides of the trimming rack and the trimming teeth on both sides of the rack groove are staggered and closed, thereby trimming the lawn.

Compared with the prior art, the invention has the beneficial effects that:

according to the lawn mower, the arranged trimming rack moves to enable the trimming teeth on the two sides of the trimming rack and the trimming teeth on the two sides of the rack groove to be staggered and closed, so that the effect of trimming a lawn is achieved, the arranged screw rod rotates to drive the sliding block to slide along the direction of the sliding rod, the height of the roller is adjusted, the effect of adjusting grass by changing the height of grass to be trimmed is achieved, and the trimmed grass is input into the absorption cylinder through the transmission cavity, the inclined rod and the connecting pipe through the arranged absorption device, so that the technical problems brought forward in the technical background are solved.

Drawings

Fig. 1 is a schematic structural view of a height-adjustable lawn mowing device for landscaping.

Fig. 2 is a partial sectional view showing the structure of a height-adjustable lawn mowing device for landscaping.

Fig. 3 is a schematic structural view of a height-adjustable lawn mowing device for landscaping at a position a in fig. 2.

Fig. 4 is a schematic structural view of a height-adjustable lawn mowing device for landscaping, shown at B in fig. 2.

Fig. 5 is a schematic structural view of a height-adjustable lawn mowing device for landscaping at the position C in fig. 2.

Fig. 6 is a schematic structural view of a height-adjustable lawn mowing device for landscaping at D in fig. 1.

In the figure: a stationary case 1; a trimming chamber 11; a rack slot 111; air holes 112; a transmission chamber 12; the tilting lever 13; a connection pipe 131; a connecting rod 14; a handle 141; a rotary rod fixing lug 15; a screw fixing lug 16;

a trimming device 2; a trimming rack 21; a rack fixing lug 211; a first rotary disk 22; a first eccentric rotation shaft 221; a first fixing post 222; the first thrust spring 223; a gear 23; a first pulley 231; a transmission gear 24; a fixing block 241; a trimming motor 242; a second rotating disk 25; the second eccentric rotating shaft 251; a second fixed column 252; a second thrust spring 253; a second pulley 26; a transmission belt 27;

an absorbing device 3; the absorbing cylinder 31; an absorber air pressure balance hole 311; a retainer ring 32; a stationary ring link 321; a motor 33; fan blades 34; a gas-permeable net plate 35; a connecting tube 36; a lifting device 4; a rotating rod 41; a rotating rod transmission gear 411; a turn lever tilt gear 412; a motor gear 42; a lift motor 421; a slide bar 43; a slide bar fixing lug 431; a slider 44; a roller fixing block 441; a roller 442; a screw 45; a stopper 451; the screw tilts gear 452.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a height-adjustable lawn mowing device for landscaping includes a fixing shell 1, a mowing cavity 11 is disposed at a bottom end inside the fixing shell 1, a plurality of rack slots 111 arranged at equal intervals linearly are disposed at a bottom end of the mowing cavity 11 in a penetrating manner, a transmission cavity 12 is disposed at an upper end inside the fixing shell 1, an inclined rod 13 is disposed at one side of the fixing shell 1, rotating rod fixing lugs 15 are fixedly disposed at positions, close to two sides, of an upper end of the fixing shell 1, and screw rod fixing lugs 16 are fixedly disposed at two sides of the fixing shell 1;

the trimming device 2 is arranged in the fixed shell 1, a plurality of trimming racks 21 of the trimming device 2 are arranged, the trimming racks 21 are positioned at the upper sides of the rack grooves 111 corresponding to the positions, rack fixing lugs 211 are fixedly arranged at both sides of the trimming racks 21, a first rotating disc 22 is arranged at the upper side of one end of each trimming rack 21, a first eccentric rotating shaft 221 is fixedly arranged at the position, close to the edge, of the bottom end of the first rotating disc 22, the first eccentric rotating shaft 221 penetrates through the rack fixing lugs 211 to be rotatably connected with the rack fixing lugs 211, a first fixing column 222 is fixedly arranged at the upper end of the first rotating disc 22, the first fixing column 222 penetrates through a partition plate between the trimming cavity 11 and the transmission cavity 12 to be rotatably connected with the partition plate, a gear 23 is fixedly arranged at the top end of the first fixing column 222, a first belt pulley 231 is fixedly arranged at the upper end of the gear 23, a, the fixed block 241 is fixedly connected with the bottom wall of the transmission cavity 12, the upper end of the fixed block 241 is fixedly provided with a trimming motor 242, the output shaft of the trimming motor 242 penetrates through the fixed block 241 and is fixedly connected with the transmission gear 24, the upper side of one end, far away from the first rotating disc 22, of the trimming rack 21 is provided with a second rotating disc 25, the position, close to the edge, of the bottom end of the second rotating disc 25 is fixedly provided with a second eccentric rotating shaft 251, the second eccentric rotating shaft 251 penetrates through a rack fixing lug 211 corresponding to the position and is rotatably connected with the rack fixing lug 211, the upper end of the second rotating disc 25 is fixedly provided with a second fixed column 252, the second fixed column 252 penetrates through a partition plate between the trimming cavity 11 and the transmission cavity 12 and is rotatably connected with the partition plate, the top end of the second fixed column 252 is fixedly provided with a;

the fixed shell 1 is provided with a lifting device 4, the lifting device 4 comprises a rotating rod 41 positioned at the upper end of the fixed shell 1, the rotating rod 41 passes through a rotating rod fixing lug 15 and is rotatably connected with the rotating rod fixing lug 15, both ends of the rotating rod 41 are fixedly provided with rotating rod inclined gears 412, one side of a screw rod fixing lug 16 is provided with a sliding rod 43, both upper and lower ends of the sliding rod 43 are fixedly provided with a sliding rod fixing lug 431, the sliding rod fixing lug 431 is fixedly connected with the fixed shell 1, the sliding rod 43 is provided with a sliding block 44, the sliding rod 43 passes through the sliding block 44 and is slidably connected with the sliding block 44, the bottom side of the sliding block 44 is fixedly provided with a roller fixing block 441, the roller fixing block 441 extends out of the bottom end of the sliding block 44, one side of the roller fixing block 441 is fixedly provided with a roller 442, the roller 442 is rotatably connected, the screw 45 is fixedly provided with a limiting block 451 near the upper end, the top end of the screw 45 is fixedly provided with a screw inclined gear 452, the screw inclined gear 452 is engaged with the rotating rod inclined gear 412, the screw 45 penetrates through the screw fixing lug 16 to be rotatably connected with the screw fixing lug 16, and the limiting block 451 and the screw inclined gear 452 are respectively positioned at the upper side and the lower side of the screw fixing lug 16.

It should be noted that, trimming teeth arranged at equal intervals are arranged on both sides of the rack groove 111, trimming teeth arranged at equal intervals are arranged on both sides of the trimming rack 21, and the trimming rack 21 is driven to move by the rotation of the first rotating disc 22 and the rotation of the second rotating disc 25, so that the trimming teeth on both sides of the trimming rack 21 and the trimming teeth on both sides of the rack groove 111 are staggered and closed, thereby achieving the effect of trimming lawn.

In this embodiment, the inclined rod 13 is communicated with the trimming chamber 11, a connecting pipe 131 is arranged on one side of the inclined rod 13, and the connecting pipe 131 is communicated with the inclined rod 13, so as to suck the chopped grass trimmed in the trimming chamber 11.

Further, the upper end of the fixed shell 1 is provided with the absorption device 3, the absorption device 3 comprises an absorption cylinder 31 fixed at the top end of the fixed shell 1, a fixed ring 32 is fixedly arranged in the middle of the absorption cylinder 31 close to the bottom end, a plurality of fixed ring connecting rods 321 which are arranged at equal intervals are connected between the fixed ring 32 and the inner wall of the absorption cylinder 31, a motor 33 is fixedly arranged at the bottom end of the fixed ring 32, an output shaft of the motor 33 penetrates through the fixed ring 32 and the fan blades 34 to be fixedly connected, the absorption cylinder 31 is internally provided with a breathable net plate 35, and the breathable net plate 35 is positioned at the upper end of the fan blades 34, so that the grass trimmed in the trimming cavity 11 can be conveniently sucked into the.

In addition, the cylindrical wall at the bottom end of the absorption cylinder 31 is provided with uniformly distributed absorption cylinder air pressure balance holes 311 in a penetrating manner, so that the air pressure in the absorption cylinder 31 is balanced, and the chopped grass trimmed in the trimming cavity 11 is conveniently sucked into the absorption cylinder 31.

Furthermore, a connecting tube 36 is connected between the connecting tube 131 and the top end of the absorbing cylinder 31, so that the chopped grass trimmed in the trimming chamber 11 can be sucked into the absorbing cylinder 31.

Furthermore, a plurality of air holes 112 arranged in a matrix and at equal intervals are arranged on the side wall of the trimming cavity 11 far away from the inclined rod 13 in a penetrating manner, so that the air pressure in the trimming cavity 11 is convenient for sucking the chopped grass trimmed in the trimming cavity 11 into the absorption cylinder 31.

It is worth to be noted that the absorption cylinder 31 is fixedly connected with the fixed shell 1 through bolts, so that stable installation of the structure is facilitated.

In this embodiment, the connecting rod 14 is fixedly disposed on the inclined rod 13, and a handle 141 is fixedly disposed at an end of the connecting rod 14 away from the inclined rod 13, so as to facilitate movement of the push-pull device.

In this embodiment, the second thrust spring 253 is sleeved on the second fixing column 252, the first thrust spring 223 is sleeved on the first fixing column 222, the second thrust spring 253 and the first thrust spring 223 are both located in the trimming cavity 11, and under the thrust action of the second thrust spring 253 and the first thrust spring 223, the trimming rack 21 is pushed to extrude the trimming rack 21, so that the trimming rack 21 is attached to the bottom wall of the trimming cavity 11, and the trimming teeth on the two sides of the trimming rack 21 and the trimming teeth on the two sides of the rack groove 111 are staggered and closed, thereby trimming the lawn.

It should be noted that the width of trimming rack 21 is much smaller than the width of rack slot 111, which facilitates the gap between trimming rack 21 and rack slot 111, so that grass can enter into the gap between trimming rack 21 and rack slot 111, and thus be cut.

The working principle of the invention is as follows: starting the trimming motor 242, rotating an output shaft of the trimming motor 242 to drive the transmission gear 24 to rotate, wherein the transmission gear 24 is meshed with the gear 23, so as to drive the gear 23 to rotate, so that the first rotating disc 22 and the first fixed column 222 follow the gear 23, meanwhile, the first belt wheel 231 transmits power to the second belt wheel 26 through the transmission belt 27, the second rotating disc 25 and the second fixed column 252 both follow the second belt wheel 26 to rotate, the rotation of the first rotating disc 22 and the rotation of the second rotating disc 25 drive the trimming rack 21 to move, and trimming teeth on two sides of the trimming rack 21 and trimming teeth on two sides of the rack slot 111 are staggered and closed;

then the handle 141 can be pulled, the device is pushed or pulled to move on the lawn, the grass head can enter a gap between the trimming rack 21 and the rack groove 111, and is cut, when the lawn is trimmed, the lifting motor 421 can be started, an output shaft of the lifting motor 421 rotates to drive the motor gear 42 to rotate, the motor gear 42 is meshed with the rotating rod transmission gear 411, so as to drive the rotating rod 41 to rotate, the rotating rod 41 transmits kinetic energy to the screw rod 45 through the mutually meshed rotating rod inclined gear 412 and the screw rod inclined gear 452, the screw rod 45 is in threaded connection with the slider 44, the slider 44 is driven by the rotation of the screw rod 45 to move up and down along the sliding rod 43, so that the height of the roller 442 relative to the fixed shell 1 is adjusted, and therefore, the height from the rack groove 111 and the trimming rack 21 to the lawn is adjusted, and the effect of adjusting the lawn is;

when the lawn mower trims the lawn, the motor 33 is started, the output shaft of the motor 33 rotates to drive the fan blades 34 to rotate, and trimmed grass is input into the absorption cylinder 31 sequentially through the trimming cavity 11, the inclined rod 13 and the connecting pipe 36.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A height-adjustable lawn trimming device for landscaping comprises a fixed shell (1) and is characterized in that a trimming cavity (11) is formed in the bottom end of the inside of the fixed shell (1), a plurality of rack grooves (111) which are linearly arranged at equal intervals are formed in the bottom end of the trimming cavity (11) in a penetrating mode, a transmission cavity (12) is formed in the upper end of the inside of the fixed shell (1), an inclined rod (13) is arranged on one side of the fixed shell (1), rotating rod fixing lugs (15) are fixedly arranged at positions, close to two sides, of the upper end of the fixed shell (1), and screw rod fixing lugs (16) are fixedly arranged on two sides of the fixed shell (1);

the trimming device is characterized in that the trimming device (2) is arranged in the fixed shell (1), a plurality of trimming racks (21) of the trimming device (2) are arranged, the trimming racks (21) are located on the upper sides of rack grooves (111) corresponding to the positions, rack fixing lugs (211) are fixedly arranged on the two sides of each trimming rack (21), a first rotating disc (22) is arranged on the upper side of one end of each trimming rack (21), a first eccentric rotating shaft (221) is fixedly arranged at the position, close to the edge, of the bottom end of each first rotating disc (22), the first eccentric rotating shaft (221) penetrates through the rack fixing lugs (211) to be rotatably connected with the rack fixing lugs (211), a first fixing column (222) is fixedly arranged at the upper end of each first rotating disc (22), the first fixing column (222) penetrates through a partition plate between the trimming cavity (11) and the transmission cavity (12) to be rotatably connected with the partition plate, a first belt wheel (231) is fixedly arranged at the upper end of the gear (23), a transmission gear (24) which is meshed with each other is arranged at one side of the gear (23), a fixed block (241) is fixedly arranged at the upper end of the transmission gear (24), the fixed block (241) is fixedly connected with the bottom wall of the transmission cavity (12), a trimming motor (242) is fixedly arranged at the upper end of the fixed block (241), an output shaft of the trimming motor (242) penetrates through the fixed block (241) to be fixedly connected with the transmission gear (24), a second rotating disc (25) is arranged on the upper side of one end, far away from the first rotating disc (22), of the trimming rack (21), a second eccentric rotating shaft (251) is fixedly arranged at the position, close to the edge, of the bottom end of the second rotating disc (25), the second eccentric rotating shaft (251) penetrates through a rack fixing lug (211) corresponding to the position to be rotatably connected with the rack fixing lug (, the second fixing column (252) penetrates through a partition plate between the trimming cavity (11) and the transmission cavity (12) and is in rotary connection with the partition plate, a second belt wheel (26) is fixedly arranged at the top end of the second fixing column (252), and a transmission belt (27) is connected between the second belt wheel (26) and the first belt wheel (231);

the lifting device (4) is arranged on the fixed shell (1), the lifting device (4) comprises a rotating rod (41) positioned at the upper end of the fixed shell (1), the rotating rod (41) penetrates through a rotating rod fixing lug (15) to be rotatably connected with the rotating rod fixing lug (15), rotating rod inclined gears (412) are fixedly arranged at two ends of the rotating rod (41), a sliding rod (43) is arranged at one side of a screw rod fixing lug (16), sliding rod fixing lugs (431) are fixedly arranged at the upper end and the lower end of the sliding rod (43), the sliding rod fixing lugs (431) are fixedly connected with the fixed shell (1), a sliding block (44) is arranged on the sliding rod (43), the sliding rod (43) penetrates through the sliding block (44) to be slidably connected with the sliding block (44), a roller fixing block (441) is fixedly arranged at the bottom side of the sliding block (44), the roller fixing block (441) extends out of the bottom end of the sliding block (44), and, the roller (442) is rotatably connected with the roller fixing block (441), a screw rod (45) is arranged on the slider (44), the screw rod (45) penetrates through the slider (44) and is in threaded connection with the slider (44), the screw rod (45) is close to the upper end and is fixedly provided with a limiting block (451), a screw rod inclined gear (452) is fixedly arranged at the top end of the screw rod (45), the screw rod inclined gear (452) is meshed with the rotating rod inclined gear (412), the screw rod (45) penetrates through the screw rod fixing lug (16) and is rotatably connected with the screw rod fixing lug (16), and the limiting block (451) and the screw rod inclined gear (452) are respectively arranged on the upper side and the lower side of the screw rod fixing lug (16.

2. The height-adjustable lawn mowing device for landscaping according to claim 1, wherein the inclined bar (13) is communicated with the mowing chamber (11), a connecting pipe (131) is provided at one side of the inclined bar (13), and the connecting pipe (131) is communicated with the inclined bar (13).

3. The lawn mowing device with the adjustable height for landscaping according to claim 2, wherein the upper end of the fixed shell (1) is provided with the absorbing device (3), the absorbing device (3) comprises an absorbing cylinder (31) fixed at the top end of the fixed shell (1), a fixed ring (32) is fixedly arranged in the middle of the inner part of the absorbing cylinder (31) close to the bottom end, a plurality of fixed ring connecting rods (321) which are arranged at equal intervals in a circumferential manner are connected between the fixed ring (32) and the inner wall of the absorbing cylinder (31), a motor (33) is fixedly arranged at the bottom end of the fixed ring (32), an output shaft of the motor (33) penetrates through the fixed ring (32) to be fixedly connected with the fan blades (34), a ventilating mesh plate (35) is arranged in the absorbing cylinder (31), and the ventilating mesh plate (35) is positioned at the upper end of the fan.

4. The lawn mowing device with adjustable height for landscaping according to claim 3, wherein the cylindrical wall at the bottom end of the absorbing cylinder (31) is provided with uniformly distributed air pressure balancing holes (311) for the absorbing cylinder.

5. The lawn mowing device with adjustable height for landscaping according to claim 4, wherein a connecting pipe (36) is connected between the connecting pipe (131) and the top end of the absorbing cylinder (31).

6. The height-adjustable lawn mowing device for landscaping according to claim 5, wherein the side wall of the mowing chamber (11) far away from the inclined bar (13) is perforated with a plurality of air holes (112) arranged in a matrix at equal intervals.

7. The height-adjustable lawn mowing device for landscaping according to claim 1, wherein the inclined rod (13) is fixedly provided with a connecting rod (14), and a handle (141) is fixedly provided at one end of the connecting rod (14) far away from the inclined rod (13).

8. The height-adjustable lawn mowing device for landscaping as claimed in claim 1, wherein the second thrust spring (253) is sleeved on the second fixing column (252), the first thrust spring (223) is sleeved on the first fixing column (222), the second thrust spring (253) and the first thrust spring (223) are both located in the mowing cavity (11), and under the thrust action of the second thrust spring (253) and the first thrust spring (223), the mowing rack (21) is pushed to press the mowing rack (21), so that the mowing rack (21) is attached to the bottom wall of the mowing cavity (11).