CN215011653U

CN215011653U - High-performance lithium electric grass cutting blade

Info

Publication number: CN215011653U
Application number: CN202022955764.XU
Authority: CN
Inventors: 李钢; 方进
Original assignee: Suzhou Jinshan Electric Tool Co ltd
Current assignee: Suzhou Jinshan Electric Tool Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-12-07
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a high performance lithium electricity grass cutting blade relates to horticulture instrument technical field, aims at solving current grass cutting blade and presss from both sides the grass easily, the problem that life is short, and its technical scheme main points are: including the blade box and can dismantle the blade lid of being connected with the blade box, the bottom surface fixedly connected with grass cutting bottom knife of blade box, grass cutting bottom knife rotates through the connecting pin to be connected with grass cutting top knife, grass cutting top knife is located one side of connecting pin and has seted up the spacing groove, it is provided with the spacing collar to cut through the spacing groove between grass cutting bottom knife and the grass cutting top knife, the embedding has the eccentric wheel in the spacing collar, the one end that the spacing collar was kept away from to the eccentric wheel runs through in logical groove fixedly connected with input head of seting up on the blade lid, grass cutting top knife and grass cutting bottom knife keep away from the one end of spacing collar all include that a plurality of blade angles are 50 the sword tooth. The utility model has the advantages of no grass clipping, crisp and dry grass cutting and long service life.

Description

High-performance lithium electric grass cutting blade

Technical Field

The utility model relates to a horticulture instrument technical field, more specifically say, it relates to a high performance lithium electricity grass cutting blade.

Background

The existing lithium-ion electric pruning and grass-cutting machine has numerous brands, different shapes and diversified auxiliary functions, but the two main functions are still unchanged all the time: mainly has the functions of grass cutting and pruning. The shearing capacity of the pruning is determined by the power of the motor, the shearing is strong when the power is large, the shearing is weak when the power is small, and the difference of all large brands is small; what is meant here is another function: the grass cutting function, this function is also influenced by motor power, but still have a decisive factor be exactly the design of grass cutting blade, the profile of tooth, the blade angle of blade and the direction of grinding have decided the effect of actually cutting grass, are used for grass mower's grass cutting blade on the market at present mostly spiral blade structure, and the grass is pressed from both sides easily, and life is short to need more powerful motor, the energy consumption is big, not enough environmental protection.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a lithium electricity grass cutting blade of high performance has not pressing from both sides the grass, and disconnected grass is crisp, the long advantage of live time.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a high performance lithium electricity grass cutting blade, includes the blade box and can dismantle the blade lid of being connected with the blade box, the bottom surface fixedly connected with grass cutting under blade of blade box, grass cutting under blade rotates through the connecting pin to be connected with grass cutting upper slitter piece, grass cutting upper slitter piece is located one side of connecting pin and has seted up the spacing groove, it is provided with the spacing collar to cut grass cutting under blade and grass cutting upper slitter piece between run through the spacing groove, the embedding has the eccentric wheel in the spacing collar, the one end that the spacing collar was kept away from to the eccentric wheel runs through in seting up logical groove fixedly connected with input head on the blade lid, grass cutting upper slitter piece and grass cutting under blade keep away from the one end of spacing collar all include that a plurality of blade angles are 50 sword teeth.

The utility model discloses further set up to: two button grooves are formed in two side walls of the blade box, and a first button and a second button are clamped in the button grooves respectively.

The utility model discloses further set up to: the bottom surface of the blade box is fixedly connected with two positioning columns, and the grass cutting lower blade is fixedly connected to the positioning columns through a first positioning hole and a second positioning hole which are formed in the end face of the grass cutting lower blade.

The utility model discloses further set up to: and a dustproof sponge is bonded on one side of the inner part of the blade box cover, which is close to the blade teeth.

The utility model discloses further set up to: the blade teeth of the grass cutting upper blade and the grass cutting lower blade are arranged in a staggered mode.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a lithium electricity grass cutting blade passes through blade angle, blade profile of tooth and will cut grass and go up the blade and cut grass under the blade dislocation set, and the rotation through the eccentric wheel drives and cuts grass and go up the blade around connecting axle reciprocating motion, realizes cutting grass when two edges coincide, has improved the shearing performance greatly, has prolonged effective shearing time, has improved the life of grass cutting blade.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a middle blade tooth of the present invention;

fig. 4 is a schematic structural view of the upper and lower blades of the present invention.

In the figure: 1. a blade cartridge; 2. a blade box cover; 3. grass cutting lower blades; 31. a first positioning hole; 32. a second positioning hole; 33. a lower pin hole; 4. a connecting pin; 5. cutting grass and cutting an upper blade; 51. a limiting groove; 52. a blade tooth; 53. an upper pin hole; 6. a limiting ring; 7. an eccentric wheel; 71. an input head; 8. a first button; 9. a second button; 10. a dust-proof sponge; 11. and (4) bolts.

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.

As shown in fig. 1-4, a high-performance lithium electric grass cutting blade comprises a blade box 1 and a blade box cover 2 detachably connected with the blade box 1 through a bolt 11, a grass cutting lower blade 3 is fixedly connected to the bottom surface of the blade box 1, the grass cutting lower blade 3 is rotatably connected with a grass cutting upper blade 5 through a connecting pin 4, a limiting groove 51 is formed in one side of the grass cutting upper blade 5, which is located on the connecting pin 4, a limiting ring 6 is arranged between the grass cutting lower blade 3 and the grass cutting upper blade 5 and penetrates through the limiting groove 51, one end of the limiting ring 6 is clamped into the limiting groove 51, the other end of the limiting ring 6 can slide freely on the upper end surface of the grass cutting lower blade 3, in order to enable the limiting ring 6 to slide more smoothly, lubricating oil can be coated in the limiting ring 6 in the assembling process, an eccentric wheel 7 is embedded in the limiting ring 6, one end of the eccentric wheel 7, which is far away from the limiting ring 6, penetrates through a through groove formed in the blade box cover 2 and is fixedly connected with an input head 71, the end, far away from the limiting ring 6, of each of the grass cutting upper blade 5 and the grass cutting lower blade 3 comprises a plurality of blade teeth 52 with cutting edges at an angle of 50 degrees, the blade teeth 52 of the grass cutting upper blade 5 and the grass cutting lower blade 3 are arranged in a staggered mode, when the eccentric wheel 7 rotates, the grass cutting upper blade 5 can be driven to rotate around the connecting pin 4 in a reciprocating mode, and shearing force is provided through superposition of the upper cutting edge and the lower cutting edge.

On this basis, the angle is undersize, too sharp easy wear, the angle is too big, too blunt also can not break the grass, the preferred angle with the blade sets up to 50, the bottom surface fixedly connected with two reference columns of blade box 1, cut grass lower blade 3 through set up in its terminal surface first locating hole 31 and second locating hole 32 fixed connection on the reference column, the both ends of connecting pin 4 rotate respectively and connect in the last pinhole 53 of seting up on grass cutting upper blade 5 and set up in lower pinhole 33 on grass cutting lower blade 3.

Two button grooves have been seted up to blade box 1's both sides wall, and two button inslots difference joints have first button 8 and second button 9, be provided with on first button 8 and the second button 9 with the fixture block of the mutual adaptation of draw-in groove, first button 8 and second button 9 mainly used rapid and stable will the utility model discloses joint is on the lawnmower body.

In order to prevent dust from entering the blade box 1 from the blade teeth 52 during operation and affecting the use effect, the dust-proof sponge 10 is adhered to one side of the inner part of the blade box cover 2 close to the blade teeth 52.

The working principle is as follows: in the use, will the utility model discloses a left side button and right button press the card to go into the corresponding joint inslot of lawnmower body, and make the utility model discloses an input 71 is connected with the power take off transmission of lawnmower body, when starting equipment cut the grass operation, input 71 drives eccentric wheel 7 and cuts grass at 6 internal rotation areas of spacing collar and go up blade 5 round 4 reciprocating rotation of connecting pin, provides the shearing force through the coincidence of upper and lower blade, has improved the shearing performance greatly, has prolonged effective shearing time, has improved the life of cutting the grass blade.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A high-performance lithium electric lawnmower blade is characterized in that: comprises a blade box (1) and a blade box cover (2) detachably connected with the blade box (1), the bottom surface of the blade box (1) is fixedly connected with a grass cutting lower blade (3), the grass cutting lower blade (3) is rotatably connected with a grass cutting upper blade (5) through a connecting pin (4), a limiting groove (51) is arranged on one side of the grass cutting upper blade (5) positioned on the connecting pin (4), a limiting ring (6) is arranged between the grass cutting lower blade (3) and the grass cutting upper blade (5) through a limiting groove (51), an eccentric wheel (7) is embedded in the limiting ring (6), one end of the eccentric wheel (7) far away from the limiting ring (6) penetrates through a through groove formed in the blade box cover (2) to be fixedly connected with an input head (71), the grass cutting upper blade (5) and the grass cutting lower blade (3) are respectively provided with a plurality of blade teeth (52) with cutting edge angles of 50 degrees at the ends far away from the limiting ring (6).

2. The high-performance lithium electric lawnmower blade according to claim 1, wherein: two button grooves are formed in two side walls of the blade box (1), and a first button (8) and a second button (9) are clamped in the button grooves respectively.

3. The high-performance lithium electric lawnmower blade according to claim 1, wherein: the bottom surface of the blade box (1) is fixedly connected with two positioning columns, and the grass cutting lower blade (3) is fixedly connected to the positioning columns through a first positioning hole (31) and a second positioning hole (32) which are formed in the end surface of the grass cutting lower blade.

4. The high-performance lithium electric lawnmower blade according to claim 1, wherein: and a dustproof sponge (10) is adhered to one side of the inner part of the blade box cover (2) close to the blade teeth (52).

5. The high-performance lithium electric lawnmower blade according to claim 1, wherein: the blade teeth (52) of the grass cutting upper blade (5) and the grass cutting lower blade (3) are arranged in a staggered mode.