CN211210524U

CN211210524U - Lawn mower device capable of protecting blade in rotating process

Info

Publication number: CN211210524U
Application number: CN201921980752.3U
Authority: CN
Inventors: 林兵
Original assignee: FUJIAN HUILIN MACHINERY CO LTD
Current assignee: FUJIAN HUILIN MACHINERY CO LTD
Priority date: 2019-11-17
Filing date: 2019-11-17
Publication date: 2020-08-11
Anticipated expiration: 2029-11-17

Abstract

The utility model relates to a lawn mower technical field just discloses a lawn mower device of rotatory in-process protectable blade, comprising a base plate, the top movable mounting of bottom plate has main body cover, main body cover's interior roof fixed mounting has the rotation motor. This lawn mower device of blade can be protected to rotatory in-process, when meetting hard thing, it can be dragged its left side to cut the blade, hard thing will promote to the left side to promoting the piece, at this moment, pressure sensor will receive the response, when sensing pressure when too big, it can cause the damage to the blade to show that this hard thing is cuted, the inductor will control at once and rotate motor stall, make and cut blade stall, two pull rings are pulled towards the direction of carrying on the back mutually after that, can dismantle the bottom plate, the convenience is cleared up the hard thing of card in the main part shell, elasticity thrust back through return spring can make the bottom plate install again in the main part shell bottom, make equipment reach the effect that can effectively protect the blade.

Description

Lawn mower device capable of protecting blade in rotating process

Technical Field

The utility model relates to a lawn mower technical field specifically is a lawn mower device of blade can be protected to rotatory in-process.

Background

Generally, no matter small-area home greening, large-area public greening or grazing vegetation for breeding cattle and sheep, the vegetation needs to be trimmed by a lawn trimmer, and the lawn trimmer generally adopts a built-in cutter to trim the lawn, so that the key of trimming the clean and tidy lawn lies in a cutter inside the lawn trimmer.

Present current lawn mower generally does not possess the function of protection blade, when hard thing is touch at the in-process of mowing to the lawn mower, if do not do corresponding clearance to it, very easily because of the too big blade wearing and tearing that leads to of friction dynamics, can damage whole lawn mower even when serious, also can cause certain hindrance to work efficiency simultaneously, lead to the demand that the satisfying people used that equipment can not be better, so provide the lawn mower device that can protect the blade among the rotatory process and solve above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a rotatory in-process can protect lawn mower device of blade possesses advantages such as can effectively protect the blade, the function that present lawn mower generally does not possess the protection blade has been solved, when the lawn mower touches hard thing at the in-process of mowing, if do not do corresponding clearance to it, lead to blade wearing and tearing because of the friction dynamics is too big very easily, can damage whole lawn mower even when serious, also can cause certain hindrance to work efficiency simultaneously, lead to the problem that the demand that satisfies people used that equipment can not be better.

(II) technical scheme

For the purpose that realizes above-mentioned effective protection blade, the utility model provides a following technical scheme: a lawn mower device capable of protecting a blade in a rotating process comprises a base plate, wherein a main body shell is movably mounted at the top of the base plate, a rotating motor is fixedly mounted on the inner top wall of the main body shell, a shearing blade is fixedly mounted on an output shaft of the rotating motor, limiting frames are fixedly mounted on the left side and the right side of the top of the base plate, pull rings are movably mounted on the opposite sides of the two limiting frames, pull rods with one ends movably connected with the limiting frames are fixedly mounted on the opposite sides of the two pull rings, limiting plates are fixedly mounted on the opposite sides of the two pull rods, return springs are fixedly mounted on the opposite sides of the two limiting plates and positioned on the outer sides of the pull rods, limiting rods are fixedly mounted on the opposite sides of the two limiting plates, idler wheels are movably mounted on the left side and the right side of the bottom of the base, the equal fixed mounting in the left and right sides at inserted bar top has one end and bottom plate swing joint's first slider, the outside fixed mounting of inserted bar has buffer spring, the left side wall fixed mounting of bottom plate inner chamber has fixed loop bar, the inner chamber fixed mounting of fixed loop bar has pressure sensor, the right side movable mounting of fixed loop bar has one end to run through and extend to the promotion piece of fixed loop bar inner chamber, promote the equal fixed mounting in both ends about the piece is left to have the second slider.

Preferably, the left side and the right side of bottom plate bottom have all been seted up the draw-in groove, and draw-in groove and inserted bar looks adaptation, the quantity of gag lever post is two.

Preferably, the upper side wall and the lower side wall of the inner cavity of the fixed loop bar are both provided with sliding grooves, the sliding grooves are matched with the second sliding blocks, and the inserted bar is vertically installed at ninety degrees with the bottom plate.

Preferably, the bottoms of the left side and the right side of the main body shell are provided with grooves, the grooves are matched with the limiting rods, and the number of the shearing blades is four.

Preferably, round holes are formed in the two opposite sides of the limiting frames and are matched with the pull rod, and the limiting rods are vertically installed at ninety degrees with the main body shell.

Preferably, two the perpendicular bisector that the spacing used main body cover is the symmetric distribution, the rectangle opening has been seted up to the bottom of bottom plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a rotatory in-process can protect lawn mower device of blade possesses following beneficial effect:

1. the lawn mower device capable of protecting the blade in the rotating process is characterized in that the rotating motor is arranged, the rotating motor is started to enable the shearing blade to rotate clockwise at a high speed, the lawn is sheared by pushing the main body shell, when a hard object is encountered, the shearing blade can pull the shearing blade to the left side, the hard object can push the pushing block to the left side, at the moment, the pressure sensor can be sensed, when the pressure is sensed to be overlarge, the blade is damaged due to the shearing of the hard object, the sensor can immediately control the rotating motor to stop running, the shearing blade stops running, then the two pull rings are pulled in the opposite directions, the left limiting rod and the right limiting rod are withdrawn from the main body shell, the return spring is in a compressed state, the bottom plate can be detached, the hard object clamped in the main body shell can be conveniently cleaned, the bottom plate can be reinstalled at the bottom of the main body shell through the elastic return force of the return spring, the equipment can effectively protect the blade, the practicability of the device is greatly improved, and the use requirement of people is met.

2. This lawn mower device of blade can be protected to rotatory in-process, through setting up the inserted bar, when equipment jolts in the in-process production that removes, the inserted bar reciprocates through the restriction of first slider, and to the continuous extrusion that causes of buffer spring, through the produced elastic buffer power of buffer spring, slow down its energy of jolting, thereby make equipment more steady at the in-process that removes, make the lawn that equipment sheared more level and more smooth, the practicality of device has further been improved, and equipment overall structure is very succinct, it is also very convenient to maintain.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: the device comprises a main body shell 1, a shearing blade 2, a limiting frame 3, a pull ring 4, a bottom plate 5, a roller 6, an inserted rod 7, a buffer spring 8, a first sliding block 9, a rotating motor 10, a pressure sensor 11, a fixed loop bar 12, a second sliding block 13, a pushing block 14, a limiting rod 15, a limiting plate 16, a pull rod 17 and a return spring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a lawn mower device capable of protecting blades during rotation comprises a bottom plate 5, wherein the left side and the right side of the bottom plate 5 are respectively provided with a clamping groove matched with an insertion rod 7, the number of limiting rods 15 is two, the top of the bottom plate 5 is movably provided with a main body shell 1, the bottoms of the left side and the right side of the main body shell 1 are respectively provided with a groove matched with the limiting rods 15, the number of cutting blades 2 is four, the inner top wall of the main body shell 1 is fixedly provided with a rotating motor 10, the model of the rotating motor 10 can be RK40A-C, the rotating motor 10 is arranged, the rotating motor 10 is started to enable a cutting blade 2 to rotate clockwise at a high speed, the lawn is cut by pushing the main body shell 1 to move, when hard objects are encountered, the cutting blade 2 pulls the left side of the lawn, the hard objects push a pushing block 14 to the left side, the pressure sensor 11 is sensed, when the pressure is sensed to be overlarge, the shearing of the hard object is shown to damage the blade, the sensor immediately controls the rotating motor 10 to stop running, the shearing blade 2 stops running, then the two pull rings 4 are pulled in the opposite directions, the left limiting rod 15 and the right limiting rod 15 are withdrawn from the main body shell 1, the return spring 18 is in a compressed state, the bottom plate 5 can be disassembled, the hard object clamped in the main body shell 1 can be conveniently cleaned, the bottom plate 5 can be re-arranged at the bottom of the main body shell 1 through the elastic thrust of the return spring 18, the equipment can effectively protect the blade, the practicability of the device is greatly improved, the use requirement of people is further met, the shearing blade 2 is fixedly arranged on an output shaft of the rotating motor 10, the limiting frames 3 are fixedly arranged on the left side and the right side of the top of the bottom plate 5, and circular holes are formed in the opposite sides of the two limiting frames 3, the round hole is matched with the pull rod 17, the limiting rod 15 is vertically arranged at ninety degrees with the main body shell 1, the two limiting frames 3 are symmetrically distributed by a perpendicular bisector of the main body shell 1, the bottom of the bottom plate 5 is provided with a rectangular opening, one side of the two limiting frames 3 opposite to each other is movably provided with the pull rod 4, one side of the two pull rods 4 opposite to each other is fixedly provided with the pull rod 17 with one end movably connected with the limiting frames 3, one side of the two pull rods 17 opposite to each other is fixedly provided with a limiting plate 16, one side of the two limiting plates 16 opposite to each other and positioned at the outer side of the pull rod 17 are fixedly provided with return springs 18, one side of the two limiting plates 16 opposite to each other is fixedly provided with the limiting rod 15, the left side and the right side of the bottom plate 5 are movably provided with rollers 6, the top of each roller 6 is fixedly provided with an insert rod 7, and when, the buffer spring 8 is continuously extruded, the bumping energy of the buffer spring 8 is reduced through the elastic buffer force generated by the buffer spring 8, so that the equipment is more stable in the moving process, the lawn sheared by the equipment is smoother, the practicability of the device is further improved, the whole structure of the equipment is very simple, the maintenance is very convenient, the left side and the right side of the top of the inserted link 7 are fixedly provided with a first slide block 9, one end of the first slide block is movably connected with the bottom plate 5, the buffer spring 8 is fixedly arranged on the outer side of the inserted link 7, the left side wall of the inner cavity of the bottom plate 5 is fixedly provided with a fixed loop bar 12, the upper side wall and the lower side wall of the inner cavity of the fixed loop bar 12 are respectively provided with a chute, the chutes are matched with a second slide block 13, the inserted link 7 and the bottom plate 5 are vertically arranged at ninety degrees, the inner cavity of the fixed loop bar 12 is fixedly provided with, the right side of the fixed loop bar 12 is movably provided with a pushing block 14, one end of the pushing block penetrates through the inner cavity of the fixed loop bar 12 and extends to the inner cavity of the fixed loop bar 12, and the upper end and the lower end of the left side of the pushing block 14 are fixedly provided with second sliding blocks 13.

When using, when equipment is cuted hard thing, through the power of dragging of pressure sensor 11 survey shear blade 2 to hard thing, if drag the too big power of just cutting off the power at once and make shear blade 2 stop the function, can effectual protection blade, improved the practicality of device greatly, more satisfy the demand that people used.

In summary, in the lawn mower device capable of protecting the blade in the rotating process, the rotating motor 10 is arranged, the rotating motor 10 is started to enable the cutting blade 2 to rotate clockwise at a high speed, the lawn is cut by pushing the main body housing 1 to move, when a hard object is encountered, the cutting blade 2 pulls the left side of the lawn, the hard object pushes the pushing block 14 to the left side, at this time, the pressure sensor 11 is sensed, when the pressure is sensed to be too high, it is indicated that the blade is damaged by cutting of the hard object, the sensor immediately controls the rotating motor 10 to stop running, the cutting blade 2 stops running, then the two pull rings 4 are pulled in opposite directions, the left limiting rod 15 and the right limiting rod 15 are withdrawn from the main body housing 1, the return spring 18 is in a compressed state, the bottom plate 5 can be detached, and the hard object clamped in the main body housing 1 can be cleaned conveniently, the bottom plate 5 can be arranged at the bottom of the main body shell 1 again through the elastic thrust of the return spring 18, so that the equipment can effectively protect the blade, the practicability of the device is greatly improved, and the use requirements of people are met.

And, by arranging the insert rod 7, when the device bumps in the moving process, the insert rod 7 moves up and down through the limitation of the first slide block 9, and continuously extrudes the buffer spring 8, and the bumping energy is reduced through the elastic buffer force generated by the buffer spring 8, thereby leading the equipment to be more stable in the moving process, leading the lawn sheared by the equipment to be more smooth, further improving the practicability of the device, the whole structure of the device is very simple, the maintenance is very convenient, the problem that the prior lawn mower generally has no function of protecting the blade is solved, when the lawn mower touches hard objects in the process of mowing, if the lawn mower is not cleaned correspondingly, the blade is easy to be abraded due to overlarge friction force, and even the whole lawn mower can be damaged in serious conditions, meanwhile, certain obstruction can be caused to the working efficiency, so that the equipment cannot better meet the requirements of people.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lawn device with blades that can be protected during rotation, comprising a base plate (5), characterized in that: the cutting tool is characterized in that a main body shell (1) is movably mounted at the top of the bottom plate (5), a rotating motor (10) is fixedly mounted on the inner top wall of the main body shell (1), a shearing blade (2) is fixedly mounted on an output shaft of the rotating motor (10), limiting frames (3) are fixedly mounted on the left side and the right side of the top of the bottom plate (5), pull rings (4) are movably mounted on one opposite sides of the two limiting frames (3), pull rods (17) with one ends movably connected with the limiting frames (3) are fixedly mounted on one opposite sides of the two pull rings (4), limiting plates (16) are fixedly mounted on one opposite sides of the two limiting plates (16), return springs (18) are fixedly mounted on the outer sides of the pull rods (17), and limiting rods (15) are fixedly mounted on one opposite sides of the two limiting plates (16), the equal movable mounting in the left and right sides of bottom plate (5) bottom has gyro wheel (6), the top fixed mounting of gyro wheel (6) has inserted bar (7), the equal fixed mounting in the left and right sides at inserted bar (7) top has one end and bottom plate (5) swing joint's first slider (9), the outside fixed mounting of inserted bar (7) has buffer spring (8), the left side wall fixed mounting of bottom plate (5) inner chamber has fixed loop bar (12), the inner chamber fixed mounting of fixed loop bar (12) has pressure sensor (11), the right side movable mounting of fixed loop bar (12) has one end to run through and extend to promotion piece (14) of fixed loop bar (12) inner chamber, promote the equal fixed mounting in both ends about piece (14) left and have second slider (13).

2. A rotary blade-guarding lawn device as defined in claim 1, further comprising: the left and right sides of bottom plate (5) bottom has all seted up the draw-in groove, and draw-in groove and inserted bar (7) looks adaptation, the quantity of gag lever post (15) is two.

3. A rotary blade-guarding lawn device as defined in claim 1, further comprising: the upper side wall and the lower side wall of the inner cavity of the fixed loop bar (12) are both provided with sliding grooves, the sliding grooves are matched with the second sliding blocks (13), and the inserted bar (7) and the bottom plate (5) are vertically arranged at ninety degrees.

4. A rotary blade-guarding lawn device as defined in claim 1, further comprising: the bottom of the left side and the bottom of the right side of the main body shell (1) are respectively provided with a groove, the grooves are matched with the limiting rods (15), and the number of the shearing blades (2) is four.

5. A rotary blade-guarding lawn device as defined in claim 1, further comprising: round holes are formed in the two opposite sides of the limiting frames (3), the round holes are matched with the pull rod (17), and the limiting rod (15) and the main body shell (1) are vertically installed at ninety degrees.

6. A rotary blade-guarding lawn device as defined in claim 1, further comprising: two perpendicular bisector that spacing (3) are with main body cover (1) is the symmetric distribution, the rectangle opening has been seted up to the bottom of bottom plate (5).