CN114451130A

CN114451130A - Height-adjustable's lawn mower

Info

Publication number: CN114451130A
Application number: CN202210274559.8A
Authority: CN
Inventors: 周帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-05-10

Abstract

The invention provides a height-adjustable mower, which comprises a driving box arranged at the rear end of a mowing body, the front end of the driving box is symmetrically and fixedly connected with two auxiliary boxes with downward openings, the two auxiliary boxes are positioned at the left end and the right end of the mowing body, the inner part of the upper side of the auxiliary box is rotationally connected with longitudinally arranged two-way screw rods, both the two-way screw rods penetrate through the driving box and are rotationally connected with the driving box, the annular end of the bidirectional screw rod is symmetrically and threadedly connected with two sleeves, the inner part of the lower side of the auxiliary box is slidably connected with a mounting rectangular shell with a downward arranged opening, the inside of the mounting rectangular shell is symmetrically and rotatably connected with two moving wheels which extend out of the lower side of the mounting rectangular shell, the supporting plates which are obliquely arranged are movably arranged between the upper end of the rectangular mounting shell and the two sleeves, and the two supporting plates are arranged in an inverted V shape, so that compared with the prior art, the rectangular mounting shell has the following beneficial effects: the height of the residual grass stems after mowing is adjusted, and the application range is increased.

Description

Height-adjustable's lawn mower

Technical Field

The invention relates to a height-adjustable mower, belonging to the technical field of mowing.

Background

A lawn mower is a mechanical tool for trimming lawns, vegetation and the like, and is classified into a diesel engine and a gasoline engine. It is composed of cutter head, engine, running mechanism, blades, handrail and controller. The output speed of the blade is greatly increased by utilizing the high-speed rotation of the engine, the operation time of weeders is saved, and a large amount of manpower resources are reduced. In the countries with advanced development of animal husbandry mechanization, the research on novel mowers is developing towards high speed and energy conservation.

The upper and lower position of a traveling mechanism on the existing mower can not be adjusted, so that the distance between the mower and the ground is fixed, the height of residual grass stems after mowing is fixed when the mower works, but different grass stem heights can be required under different environments such as a lawn and a green land, so that different mowers are required under different environments, the application range of the mower can be influenced, and therefore the mower with the adjustable height needs to be designed to solve the problems.

Disclosure of Invention

The invention aims to provide a height-adjustable mower, aiming at solving the problems that the distance between the mower and the ground is fixed, so that the height of the residual grass stems is fixed when the mower works, but different grass stem heights are required under different environments such as lawns and green lands, so that different mowers are required under different environments, and the application range of the mower is influenced.

In order to achieve the purpose, the invention is realized by the following technical scheme: a height-adjustable mower comprises a mowing body, wherein the outer end of the mowing body is fixedly connected with a U-shaped mounting plate, a moving mechanism is arranged on the outer side of the mowing body and is positioned at the lower end of the U-shaped mounting plate, the moving mechanism is connected with the U-shaped mounting plate through a plurality of limiting mechanisms, the moving mechanism comprises a driving box arranged at the rear end of the mowing body, the front end of the driving box is symmetrically and fixedly connected with two auxiliary boxes with openings arranged downwards, the two auxiliary boxes are positioned at the left end and the right end of the mowing body, the driving box and the two auxiliary boxes are both arranged at the lower end of the U-shaped mounting plate, a longitudinally-arranged bidirectional screw is rotatably connected inside the upper side of the auxiliary boxes, the bidirectional screw extends out of the rear side of the auxiliary boxes, the two bidirectional screws penetrate through the driving box and are rotatably connected with the driving box, and the annular end of the bidirectional screw is symmetrically and threadedly connected with two sleeves, the installation rectangle shell and the installation rectangle shell that supplementary box downside inside sliding connection opening arranged down are in two-way screw rod downside, the inside symmetry of installation rectangle shell is rotated and is connected two and remove the wheel and extend installation rectangle shell downside, equal movable mounting slope arrangement's between installation rectangle shell upper end and two sleeves backup pad, two the backup pad is the shape of falling the V-arrangement and arranges.

Furthermore, the middle position of the rear end of the driving box is fixedly connected with a machine body of the servo motor, an output shaft of the servo motor extends into the driving box and is fixedly connected with a main chain wheel, two annular ends at the rear part of the bidirectional screw are fixedly connected with an auxiliary chain wheel and the auxiliary chain wheel is positioned in the driving box, and the main chain wheel is connected with the two auxiliary chain wheels through a chain.

Furthermore, the middle position of the rear end of the U-shaped mounting plate is fixedly connected with an inverted L-shaped protection plate, and a servo motor is arranged in the inverted L-shaped protection plate.

Furthermore, the edge positions of the left side and the right side of the lower end of the U-shaped mounting plate are fixedly connected with limiting plates, and the limiting plates are located at one end, away from the main body, of the auxiliary box.

Further, limiting mechanism is including fixing the picture peg in supplementary box upper end, picture peg upper end intermediate position fixed connection pivot, pivot annular end is rotated through the bearing and is connected limiting plate and be in U type mounting panel upper end, two equal equidistance in parallel position of U type mounting panel are seted up a plurality of rectangle and are led to the inslot portion and set up the picture peg in the groove.

Further, the rectangle leads to the groove left and right sides and all sets up the location shrinkage pool and fix a position the shrinkage pool and set up in U type mounting panel upper end, the restriction board upside sets up the roof, two locating levers of roof lower extreme symmetry fixed connection and two locating levers are in the pivot left and right sides, the locating lever runs through the restriction board and extends into inside the location shrinkage pool, two springs of symmetry installation and spring are in the locating lever outside between roof and the restriction board.

Furthermore, grooves are formed in the middle positions of the front end and the rear end of the top plate, and anti-skid grains are formed in the inner walls of the grooves.

The invention has the beneficial effects that: the invention discloses a height-adjustable mower.

1. Through two-way screw rod, make two sleeves inwards or outwards remove to under the backup pad effect again, make supplementary box reciprocate along installation rectangular shell, and then make U type mounting panel reciprocate, thereby make the main part of mowing reciprocate suitable height, and then realize adjusting and remain the grass stem height after mowing, increase application scope.

2. Through servo motor, main sprocket, chain and two auxiliary sprocket, and then make two-way screw rods carry out synchronous rotation, realize mechanical type adjustment and mow the main part height.

3. The plug board and the limiting board can be inserted into the rectangular through groove from the lower end of the rectangular through groove in the U-shaped mounting plate, the limiting board is located at the upper end of the U-shaped mounting plate, the limiting board is rotated again, the limiting board and the plug board are in a cross state, the U-shaped mounting plate and the moving mechanism are rapidly disassembled and assembled, and replacement and maintenance are facilitated.

4. Through the roof, can operate locating lever and spring, rethread spring makes the roof lapse, and then makes the locating lever lapse to make the locating lever insert in the location concave hole, and then fasten the limiting plate, prevent that the limiting plate from taking place to rotate, the security is high.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a height adjustable mower of the present invention;

FIG. 2 is a cross-sectional view of a moving mechanism of a height adjustable mower of the present invention;

FIG. 3 is a sectional view taken along line A in FIG. 2;

FIG. 4 is a perspective view of a U-shaped mounting plate of a height adjustable mower of the present invention;

fig. 5 is a schematic perspective view of a moving mechanism of a height-adjustable mower according to the present invention.

In the figure: 1-mowing body, 2-U-shaped mounting plate, 3-moving mechanism, 4-limiting mechanism, 21-rectangular through groove, 22-limiting plate, 23-positioning concave hole, 24-inverted L-shaped protection plate, 31-servo motor, 32-driving box, 33-main chain wheel, 34-auxiliary box, 35-sleeve, 36-bidirectional screw, 37-auxiliary chain wheel, 41-inserting plate, 42-rotating shaft, 43-positioning rod, 44-spring, 45-groove, 46-top plate, 47-limiting plate, 341-mounting rectangular shell, 342-moving wheel and 343-supporting plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-5, the present invention provides a technical solution: a height-adjustable mower comprises a mowing body 1, wherein the outer end of the mowing body 1 is fixedly connected with a U-shaped mounting plate 2, an installation carrier is provided for a moving mechanism 3 through the U-shaped mounting plate 2, the moving mechanism 3 is arranged on the outer side of the mowing body 1 and is positioned at the lower end of the U-shaped mounting plate 2, the moving mechanism 3 is connected with the U-shaped mounting plate 2 through a plurality of limiting mechanisms 4, the moving mechanism 3 and the U-shaped mounting plate 2 are quickly disassembled and assembled through the limiting mechanisms 4, the maintenance and replacement are convenient, the moving mechanism 3 comprises a driving box 32 arranged at the rear end of the mowing body 1, the front end of the driving box 32 is symmetrically and fixedly connected with two auxiliary boxes 34 with downward openings, the two auxiliary boxes 34 are positioned at the left end and the right end of the mowing body 1, the driving box 32 and the two auxiliary boxes 34 are both arranged at the lower end of the U-shaped mounting plate 2, a longitudinally-arranged bidirectional screw 36 is rotatably connected inside the upper side of the auxiliary boxes 34, and the bidirectional screw 36 extends out of the rear side of the auxiliary boxes 34, two-way screw rods 36 all run through drive box 32 and rotate with drive box 32 and be connected, two sleeves 35 of two-way screw rod 36 annular end symmetry threaded connection, the inside sliding connection opening of supplementary box 34 downside is down arranged installation rectangular shell 341 and installation rectangular shell 341 are in two-way screw rod 36 downside, the inside symmetry of installation rectangular shell 341 is rotated and is connected two and move wheel 342 and extend installation rectangular shell 341 downside, all movable mounting slope arrangement's between installation rectangular shell 341 upper end and two sleeves 35 backup pad 343, two backup pads 343 are the shape of falling V and arrange.

Specifically, the movable wheel 342 can be used to move the mowing body 1, so as to realize mowing operation, when the height of the residual grass stem needs to be adjusted, the bidirectional screw 36 can be rotated, and the bidirectional screw 36 is in threaded connection with the two sleeves 35, so that the bidirectional screw 36 rotates, the two sleeves 35 move inwards or outwards at the same time, and under the action of the supporting plate 343, the auxiliary box 34 moves up and down along the mounting rectangular shell 341, and then the U-shaped mounting plate 2 moves up and down, so that the mowing body 1 moves up and down to a proper height, and the height of the residual grass stem after mowing is adjusted, so that the application range is increased.

As an embodiment of the present invention: the middle position of the rear end of the drive box 32 is fixedly connected with the machine body of the servo motor 31, the output shaft of the servo motor 31 extends into the drive box 32 and is fixedly connected with the main chain wheel 33, the rear annular ends of the two bidirectional screws 36 are fixedly connected with the auxiliary chain wheel 37, the auxiliary chain wheel 37 is positioned in the drive box 32, the main chain wheel 33 is connected with the two auxiliary chain wheels 37 through a chain, specifically, the main chain wheel 33 is driven to rotate through the servo motor 31, the two auxiliary chain wheels 37 synchronously rotate under the action of the chain, and then the two bidirectional screws 36 synchronously rotate, so that the height of the mowing main body 1 is mechanically adjusted.

As an embodiment of the present invention: the middle position of the rear end of the U-shaped mounting plate 2 is fixedly connected with an inverted L-shaped protection plate 24, and a servo motor 31 is arranged inside the inverted L-shaped protection plate 24, specifically, the servo motor 31 is protected by the inverted L-shaped protection plate 24.

As an embodiment of the present invention: equal fixed connection limiting plate 22 in U type mounting panel 2 lower extreme left and right sides border position and limiting plate 22 department deviate from main part one end at supplementary box 34, specifically, through limiting plate 22, can restrict supplementary box 34.

As an embodiment of the present invention: the limiting mechanism 4 comprises an inserting plate 41 fixed at the upper end of the auxiliary box 34, a rotating shaft 42 is fixedly connected to the middle position of the upper end of the inserting plate 41, the annular end of the rotating shaft 42 is rotatably connected with a limiting plate 47 through a bearing, the limiting plate 47 is located at the upper end of the U-shaped mounting plate 2, a plurality of rectangular through grooves 21 are formed in two parallel parts of the U-shaped mounting plate 2 at equal intervals, the inserting plate 41 is arranged inside the rectangular through grooves 21, specifically, the inserting plate 41 and the limiting plate 47 can rotate to be in a straight state, then the inserting plate 41 and the limiting plate 47 are inserted into the rectangular through grooves 21 from the lower end of the rectangular through grooves 21 on the U-shaped mounting plate 2, the limiting plate 47 is located at the upper end of the U-shaped mounting plate 2, then the limiting plate 47 is rotated to be in a cross state with the inserting plate 41, and therefore the U-shaped mounting plate 2 and the moving mechanism 3 can be rapidly disassembled and assembled and disassembled, and replaced and maintained conveniently.

As an embodiment of the present invention: positioning concave holes 23 are formed in the left side and the right side of the rectangular through groove 21, the positioning concave holes 23 are formed in the upper end of the U-shaped mounting plate 2, a top plate 46 is arranged on the upper side of a limiting plate 47, two positioning rods 43 are symmetrically and fixedly connected to the lower end of the top plate 46 and the two positioning rods 43 are located on the left side and the right side of a rotating shaft 42, the positioning rods 43 penetrate through the limiting plate 47 and extend into the positioning concave holes 23, two springs 44 are symmetrically mounted between the top plate 46 and the limiting plate 47, the springs 44 are located on the outer sides of the positioning rods 43, specifically, before the limiting plate 47 is rotated, the top plate 46 is moved upwards, the positioning rods 43 are moved upwards to a limit position and stretched to enable the springs 44 to generate elasticity, after the limiting plate 47 is rotated, the top plate 46 is loosened, the top plate 46 is moved downwards through the springs 44, the positioning rods 43 are further moved downwards, and the positioning rods 43 are inserted into the positioning concave holes 23, further, the restriction plate 47 is fastened to prevent the restriction plate 47 from rotating, and safety is high.

As an embodiment of the present invention: recess 45 is all seted up to both ends intermediate position around roof 46, and anti-skidding line is seted up to recess 45 inner wall, specifically, through recess 45 and anti-skidding line, is convenient for operate roof 46.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A height-adjustable mower comprising a mowing body (1), characterized in that: the outer end of the mowing main body (1) is fixedly connected with a U-shaped mounting plate (2), a moving mechanism (3) is arranged on the outer side of the mowing main body (1), the moving mechanism (3) is located at the lower end of the U-shaped mounting plate (2), the moving mechanism (3) is connected with the U-shaped mounting plate (2) through a plurality of limiting mechanisms (4), the moving mechanism (3) comprises a driving box (32) arranged at the rear end of the mowing main body (1), the front end of the driving box (32) is symmetrically and fixedly connected with two auxiliary boxes (34) with downward openings, the two auxiliary boxes (34) are located at the left end and the right end of the mowing main body (1), the driving box (32) and the two auxiliary boxes (34) are both arranged at the lower end of the U-shaped mounting plate (2), a longitudinally-arranged bidirectional screw (36) is rotatably connected inside the upper side of the auxiliary boxes (34) and the bidirectional screw (36) extends out of the rear side of the auxiliary boxes (34), the two bidirectional screws (36) penetrate through the driving box (32) and are rotatably connected with the driving box (32), annular ends of the bidirectional screws (36) are symmetrically in threaded connection with the two sleeves (35), the inside of the lower side of the auxiliary box (34) is connected with an installation rectangular shell (341) with a downward-arranged sliding connection opening, the installation rectangular shell (341) is located on the lower side of the bidirectional screws (36), the inside of the installation rectangular shell (341) is connected with two moving wheels (342) in a symmetrical and rotating mode, the moving wheels (342) extend out of the lower side of the installation rectangular shell (341), supporting plates (343) which are obliquely arranged are movably installed between the upper end of the installation rectangular shell (341) and the two sleeves (35), and the two supporting plates (343) are arranged in an inverted V shape.

2. A height adjustable lawnmower as claimed in claim 1 wherein: drive box (32) rear end intermediate position fixed connection servo motor (31)'s organism, servo motor (31) output shaft extends into drive box (32) and fixed connection main sprocket (33), two equal fixed connection auxiliary sprocket (37) in two-way screw rod (36) rear portion annular end and auxiliary sprocket (37) are in inside drive box (32), main sprocket (33) passes through the chain with two auxiliary sprocket (37) and is connected.

3. A height adjustable lawnmower as claimed in claim 2 wherein: u type mounting panel (2) rear end intermediate position fixed connection fall L type protection shield (24) and fall the inside servo motor (31) that sets up of L type protection shield (24).

4. A height adjustable lawnmower as claimed in claim 1 wherein: the edge positions of the left side and the right side of the lower end of the U-shaped mounting plate (2) are fixedly connected with the limiting plates (22) and the limiting plates (22) are located at one end, away from the main body, of the auxiliary box (34).

5. A height adjustable lawnmower as claimed in claim 1 wherein: limiting mechanism (4) are including fixing picture peg (41) in supplementary box (34) upper end, picture peg (41) upper end intermediate position fixed connection pivot (42), pivot (42) annular end is passed through the bearing and is rotated and connect limiting plate (47) and be in U type mounting panel (2) upper end, two parallel position equal equidistance of U type mounting panel (2) are seted up a plurality of rectangle and are led to groove (21) and rectangle and lead to inside picture peg (41) that sets up of groove (21).

6. A height adjustable lawnmower as claimed in claim 5 wherein: the rectangle leads to groove (21) the left and right sides and all sets up location shrinkage pool (23) and fixes a position shrinkage pool (23) and set up in U type mounting panel (2) upper end, restriction board (47) upside sets up roof (46), two locating levers (43) of roof (46) lower extreme symmetry fixed connection and two locating levers (43) are in pivot (42) left and right sides, locating lever (43) run through restriction board (47) and extend into location shrinkage pool (23) inside, two springs (44) of symmetry installation and spring (44) are in locating lever (43) outside between roof (46) and restriction board (47).

7. A height adjustable lawnmower as claimed in claim 6 wherein: grooves (45) are formed in the middle positions of the front end and the rear end of the top plate (46), and anti-skid grains are formed in the inner walls of the grooves (45).