CN215301557U

CN215301557U - Lawn trimming device convenient for height adjustment for landscaping

Info

Publication number: CN215301557U
Application number: CN202121508315.9U
Authority: CN
Inventors: 段洪岗; 何留花
Original assignee: Yunnan Laiyuan Construction Engineering Co ltd
Current assignee: Yunnan Laiyuan Construction Engineering Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-28
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to the technical field of lawn trimming devices, in particular to a lawn trimming device convenient for height adjustment for landscaping, which comprises a fixed plate and a supporting rod, wherein the right end of the lower side of the front end of the fixed plate positioned at the front end is rotatably connected with a rotating handle, and the rotating handle penetrates through the fixed plate positioned at the front end, through the arrangement of the rotating handle, the bevel gears, the limiting blocks and the elastic springs, the rotating handle is rotated, the two bevel gears are meshed with each other, thereby the threaded shaft rotates in the fixed plate at the front end, the sliding block is driven to move up and down, the moving block drives the fixed rod with the straw cutting device to move up and down, the fixed rod drives the limiting rod at the rear end to move down together, when the limiting rod moves, the clamping block extrudes the elastic spring at the inner side of the limiting rod, when the limiting rod moves to the next position, the clamping block is clamped in the fixing plate at the rear end, the positioning is carried out, so that the height of the mower can be adjusted according to lawns with different heights desired by people.

Description

Lawn trimming device convenient for height adjustment for landscaping

Technical Field

The utility model relates to the technical field of lawn trimming devices, in particular to a lawn trimming device convenient for height adjustment for landscaping.

Background

The mower is a mechanical tool for trimming lawns, vegetations and the like, and consists of a cutter head, an engine, traveling wheels, a traveling mechanism, blades, handrails and a control part, develops agricultural mechanization, improves the working efficiency and the agricultural production efficiency, it appears to be an important mower as an important tool in agricultural production in our large agricultural countries, the utility model has the most direct influence on the yield of crops, is a great progress of human civilization, is divided into a diesel engine and a gasoline engine, greatly improves the output speed of the blade by utilizing the high-speed rotation of the engine, saves the operation time of weeders, reduces a large amount of manpower resources, in the countries with advanced development of animal husbandry mechanization, the research of the novel mower is developed towards high speed and energy conservation.

In the prior art, blades of most of lawn mowers on the market are fixed at a height, cut lawns are uniform in height, so that the lawn mowers cannot be adjusted according to the height of the lawn mowers, when the lawn mowers are used, vibration generated by operation of a motor is transmitted to a human body through handrails, and the arms can numb after the lawn mowers are used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lawn trimming device convenient for height adjustment for landscaping, which aims to solve the problems in the background technology.

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

a lawn trimming device convenient for height adjustment for landscaping comprises a fixed plate and a support rod, wherein the right end of the lower side of the front end of the fixed plate at the front end is rotatably connected with a rotating handle, the rotating handle penetrates through the fixed plate at the front end, the inner side of the fixed plate at the front end is rotatably connected with a threaded shaft, the lower end surface of the threaded shaft and the rear end surface of the rotating handle are fixedly connected with a bevel gear, the upper end of the outer side of the threaded shaft is spirally connected with a sliding block, the rear end of the inner side of the fixed plate at the front end and the front end of the inner side of the fixed plate at the rear end are both slidably connected with a movable block, the movable block penetrates through the fixed plate, the rear end surface of the movable block at the front end is fixedly connected with a fixed rod, the rear end of the fixed rod is fixedly connected with a fixed plate, the rear end surface of the movable block at the rear end is fixedly connected with a limit rod, and the front and rear ends of the inner side of the limit rod are both provided with elastic springs, the utility model discloses a damping device, including elastic spring, gag lever post, grab bar, damping plate, bracing piece, limiting rod, buffer spring upper end and damping plate sliding connection, the elastic spring other end is equipped with the fixture block, and the fixture block runs through the limiting rod, and the fixture block all with the limiting rod and the fixed plate sliding connection who is located the rear end, inboard upper end sliding connection of bracing piece has the handrail pole, and the handrail pole runs through the bracing piece, bracing piece outside upper end and handrail pole outside lower extreme spiral connection have the turning block, the equal fixedly connected with tight piece that rises in the handrail pole lower extreme left and right sides, handrail pole lower extreme middle part fixedly connected with damping plate, and damping plate and bracing piece sliding connection, terminal surface sliding connection has the damping rod under the damping plate, and damping rod and bracing piece fixed connection, the damping rod outside has the covering, and the buffer spring lower terminal surface and damping plate sliding connection.

Preferably, the bevel gear at the lower end is in meshed connection with the bevel gear at the upper end, and the bevel gear is in sliding connection with the fixing plate at the front end.

Preferably, the limiting rod is arranged in a T shape and is in sliding connection with the fixing plate located at the rear end.

Preferably, one end of the elastic spring is fixedly connected with the limiting rod, and the other end of the elastic spring is fixedly connected with the clamping block.

Preferably, the tensioning block is made of a rubber plate and is connected with the supporting rod in a sliding manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the lawn mower, the rotating handle, the bevel gears, the limiting blocks and the elastic springs are arranged, the rotating handle is rotated, the two bevel gears are meshed with each other, so that the threaded shaft rotates in the fixing plate at the front end, the sliding block is driven to move up and down, the moving block drives the fixing rod with the lawn cutting equipment to move up and down, the fixing rod drives the limiting rod at the rear end to move downwards together, the clamping block extrudes the elastic spring on the inner side of the limiting rod while the limiting rod moves, and when the limiting rod moves to the next position, the clamping block is clamped in the fixing plate at the rear end to be positioned, and therefore the height of the lawn mower can be adjusted according to lawns with different heights desired by people;

2. according to the utility model, through the arrangement of the damping plate, the damping rod, the buffer spring and the rotating block, in order to reduce the vibration on the grab bar, the grab bar is fixed and detached through the rotating block, when the mower vibrates, the grab bar can be damped and buffered through the damping rod and the buffer spring on the inner side of the supporting rod, and the damping plate on the grab bar can be used for carrying out secondary damping, so that the damping effect is improved, the vibration of the grab bar can be reduced, and the phenomenon that arms of people feel rough when the mower is used is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention in partial cross-section in FIG. 1;

FIG. 3 is a schematic view of the bevel gear mounting structure of the present invention;

fig. 4 is a schematic view of the installation structure of the elastic spring according to the present invention.

In the figure: 1-fixed plate, 2-rotating handle, 3-threaded shaft, 4-bevel gear, 5-sliding block, 6-moving block, 7-fixed rod, 8-limiting rod, 9-elastic spring, 10-clamping block, 11-supporting rod, 12-handrail rod, 13-rotating block, 14-tensioning block, 15-damping plate, 16-damping rod and 17-buffer spring.

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. 1-4, the present invention provides a technical solution:

a lawn trimming device convenient for height adjustment for landscaping comprises a fixed plate 1 and a support rod 11, wherein the right end of the lower side of the front end of the fixed plate 1 at the front end is rotatably connected with a rotating handle 2, the rotating handle 2 penetrates through the fixed plate 1 at the front end, the inner side of the fixed plate 1 at the front end is rotatably connected with a threaded shaft 3, the lower end surface of the threaded shaft 3 and the rear end surface of the rotating handle 2 are fixedly connected with a bevel gear 4, the upper end of the outer side of the threaded shaft 3 is spirally connected with a sliding block 5, the rear end of the inner side of the fixed plate 1 at the front end and the front end of the inner side of the fixed plate 1 at the rear end are both slidably connected with a moving block 6, the moving block 6 penetrates through the fixed plate 1, the rear end surface of the moving block 6 at the front end is fixedly connected with a fixed rod 7, the rear end of the fixed rod 7 is fixedly connected with the moving block 6 at the rear end, and the fixed rod 7 is slidably connected with the fixed plate 1, a limiting rod 8 is fixedly connected to the rear end surface of the moving block 6 at the rear end, elastic springs 9 are arranged at the front end and the rear end of the inner side of the limiting rod 8, a clamping block 10 is arranged at the other end of the elastic spring 9, the clamping block 10 penetrates through the limiting rod 8, the clamping block 10 is in sliding connection with the limiting rod 8 and a fixing plate 1 at the rear end, a grab bar 12 is in sliding connection with the upper end of the inner side of the supporting rod 11, the grab bar 12 penetrates through the supporting rod 11, a rotating block 13 is in screw connection with the upper end of the outer side of the supporting rod 11 and the lower end of the outer side of the grab bar 12, tensioning blocks 14 are fixedly connected to the left side and the right side of the lower end of the grab bar 12, a damping plate 15 is fixedly connected to the middle of the lower end of the grab bar 12, the damping plate 15 is in sliding connection with the supporting rod 11, a damping rod 16 is in sliding connection with the lower end surface of the damping plate 15, the damping rod 16 is fixedly connected with the supporting rod 11, and a damping spring 17 is wound on the outer side of the damping rod 16, and the lower end face of the buffer spring 17 is fixedly connected with the support rod 11, and the upper end face of the buffer spring 17 is connected with the damping plate 15 in a sliding manner.

The bevel gear 4 at the lower end is meshed with the bevel gear 4 at the upper end, the bevel gear 4 is connected with the fixing plate 1 at the front end in a sliding manner, when the rotating handle 2 is rotated, the two bevel gears 4 are meshed with each other, so that the threaded shaft 3 rotates in the fixing plate 1 at the front end and drives the sliding block 5 to move up and down, the threaded shaft 5 can be driven by rotation at different positions, the limiting rod 8 is arranged in a T shape, the limiting rod 8 is connected with the fixing plate 1 at the rear end in a sliding manner, the limiting rod 8 is arranged in a T shape, so that the limiting rod 8 can be limited, the phenomenon of shaking during moving is prevented, one end of the elastic spring 9 is fixedly connected with the limiting rod 8, the other end of the elastic spring 9 is fixedly connected with the clamping block 10, when the mower operates, the motor shakes when cutting a lawn, accessible shock attenuation pole 16 and buffer spring 17 carry out shock attenuation and buffering to it, the vibrations that transmit on the reducible bar 12, tight piece 14 that rises is made by rubber material's panel, and tight piece 14 and bracing piece 11 sliding connection that rises sets tight piece 14 to rubber material, because the tight effect that rises of the component that this kind of material was made is better, supplementary turning block 13 is fixed bar 12 and bracing piece 11.

The working process is as follows: when the height of the lawn to be trimmed is different from that of the mower, the rotating handle 2 is manually rotated, the two bevel gears 4 are meshed with each other, so that the threaded shaft 3 rotates in the fixing plate 1 at the front end, the sliding block 5 is driven to move up and down, the moving block 6 drives the fixing rod 7 with the grass cutting device to move up and down, the fixing rod 7 drives the limiting rod 8 at the rear end to move downwards together, the clamping block 10 extrudes the elastic spring 9 on the inner side of the limiting rod 8 while the limiting rod 8 moves, the clamping block 10 is clamped in the fixing plate 1 at the rear end when moving to the next position, after the cutting position is adjusted, the mower is started, in order to reduce the vibration on the grab bar 12, the grab bar 12 is arranged to be fixed and detached through the rotating block 13, and when the mower vibrates, the damping rod 16 and the damping spring 17 on the inner side of the supporting rod 11 can damp and cushion the mower, and the damping plate 15 on the grab rail 12 is used for carrying out secondary damping on the grab rail, so that the damping effect is improved.

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

Claims

1. The utility model provides a lawn trimming device for afforestation is convenient for height-adjusting, includes fixed plate (1) and bracing piece (11), its characterized in that: the right end of the lower side of the front end of the fixed plate (1) at the front end is rotatably connected with a rotating handle (2), the rotating handle (2) penetrates through the fixed plate (1) at the front end, the inner side of the fixed plate (1) at the front end is rotatably connected with a threaded shaft (3), the lower end surface of the threaded shaft (3) and the rear end surface of the rotating handle (2) are fixedly connected with a bevel gear (4), the upper end of the outer side of the threaded shaft (3) is spirally connected with a sliding block (5), the rear end of the inner side of the fixed plate (1) at the front end and the front end of the inner side of the fixed plate (1) at the rear end are both slidably connected with a moving block (6), the moving block (6) penetrates through the fixed plate (1), the rear end surface of the moving block (6) at the front end is fixedly connected with a fixed rod (7), the rear end of the fixed rod (7) is fixedly connected with the moving block (6) at the rear end, and the fixed rod (7) is slidably connected with the fixed plate (1), a limiting rod (8) is fixedly connected to the rear end face of the moving block (6) at the rear end, elastic springs (9) are arranged at the front end and the rear end of the inner side of the limiting rod (8), a clamping block (10) is arranged at the other end of the elastic spring (9), the clamping block (10) penetrates through the limiting rod (8), the clamping block (10) is in sliding connection with the limiting rod (8) and the fixing plate (1) at the rear end, a grab bar (12) is in sliding connection with the upper end of the inner side of the supporting rod (11), the grab bar (12) penetrates through the supporting rod (11), a rotating block (13) is in screw connection with the upper end of the outer side of the supporting rod (11) and the lower end of the outer side of the grab bar (12), tensioning blocks (14) are fixedly connected to the left side and the right side of the lower end of the grab bar (12), a damping plate (15) is fixedly connected to the middle part of the lower end of the grab bar (12), and the damping plate (15) is in sliding connection with the supporting rod (11), the damping plate is characterized in that a damping rod (16) is connected to the lower end face of the damping plate (15) in a sliding mode, the damping rod (16) is fixedly connected with the supporting rod (11), a buffering spring (17) covers the outer side of the damping rod (16), the lower end face of the buffering spring (17) is fixedly connected with the supporting rod (11), and the upper end face of the buffering spring (17) is connected with the damping plate (15) in a sliding mode.

2. A lawn mowing device for landscaping to facilitate height adjustment according to claim 1, wherein: the bevel gear (4) at the lower end is meshed with the bevel gear (4) at the upper end, and the bevel gear (4) is in sliding connection with the fixing plate (1) at the front end.

3. A lawn mowing device for landscaping to facilitate height adjustment according to claim 1, wherein: the limiting rod (8) is arranged in a T shape, and the limiting rod (8) is connected with the fixing plate (1) at the rear end in a sliding mode.

4. A lawn mowing device for landscaping to facilitate height adjustment according to claim 1, wherein: one end of the elastic spring (9) is fixedly connected with the limiting rod (8), and the other end of the elastic spring (9) is fixedly connected with the clamping block (10).

5. A lawn mowing device for landscaping to facilitate height adjustment according to claim 1, wherein: the tensioning block (14) is made of a rubber plate, and the tensioning block (14) is connected with the supporting rod (11) in a sliding mode.