CN209930927U

CN209930927U - Anti-curl grass type mowing saw blade

Info

Publication number: CN209930927U
Application number: CN201920360067.4U
Authority: CN
Inventors: 朱亮
Original assignee: Jiangsu Huihong Animal Products Jiarui Electromechanical Co Ltd
Current assignee: Jiangsu Huihong Animal Products Jiarui Electromechanical Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-01-14
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a prevent grass curling type saw bit of mowing, including the saw bit body, the mounting hole has been seted up in the installation of the center department of saw bit body, the surface of saw bit body is provided with wave linear structure, wave linear structure's one side welding has the cutting edge, the installation direction of cutting edge keeps unanimous with the direction of rotation of saw bit body, and the cutting edge is the setting of forty-five degrees angle, wave linear structure's opposite side welding has the aerofoil, aerofoil and cutting edge staggered arrangement, and the aerofoil is the right angle setting with the saw bit body, install the louvre on the saw bit body. The utility model discloses a set up wave linear structure on the saw bit body, changed planar structure in the past, can form the air current when the saw bit body is high-speed rotatory, blow off the disconnected grass that falls on the saw bit body, cutting edge on the saw bit body is favorable to cutting the disconnected grass once more, and the aerofoil is favorable to increasing wind-force, prevents to be drawn into the machine, extension machine life.

Description

Anti-curl grass type mowing saw blade

Technical Field

The utility model relates to a lawn mower technical field specifically is a prevent roll up grass type saw bit of mowing.

Background

Lawn mowers (Lawn mowers) are also known as weed trimmers, lawnmowers, Lawn trimmers, and the like. The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit. The cutter head is arranged on the travelling wheel, the engine is arranged on the cutter head, the blade is arranged on the output shaft of the engine, the blade is greatly improved in speed by utilizing the high-speed rotation of the engine, the operation time of weeding workers is saved, and a large amount of manpower resources are reduced.

The cutting saw blade is the indispensable part of lawn mower, and the saw blade among the prior art is planar mostly, and when some vine plants or longer grass that the cutting toughness is stronger, disconnected grass is drawn into the machine axle easily, influences the life and the operating efficiency of machine. To this end, we propose an anti-curl grass type mowing saw blade.

Disclosure of Invention

An object of the utility model is to provide a prevent rolling up grass type saw bit of mowing through setting up wave linear structure on the saw bit body, has changed planar structure in the past, can form the air current when the saw bit body is high-speed rotatory, blows off the disconnected grass that falls on the saw bit body, and the cutting edge on the saw bit body is favorable to cutting disconnected grass once more, and the aerofoil is favorable to increasing wind-force to propose the problem that disconnected grass is drawn into the machine shaft easily among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent grass-curling type saw bit of mowing, includes the saw bit body, the mounting hole has been seted up in the installation of the center department of saw bit body, the surface of saw bit body is provided with wave linear structure, the welding of one side of wave linear structure has the cutting edge, the installation direction of cutting edge keeps unanimous with the direction of rotation of saw bit body, and the cutting edge is the setting of forty-five degrees angle, the welding of wave linear structure's opposite side has the aerofoil, aerofoil and cutting edge looks staggered arrangement, and the aerofoil is the right angle setting with the saw bit body, install the louvre on the saw bit body.

Preferably, four groups of blades and wind plates are arranged, and the four groups of blades and the wind plates are distributed on the saw blade body at equal angles.

Preferably, both ends of the wind plate are arranged in a circular structure.

Preferably, the heat dissipation holes are annularly distributed on the saw blade body at equal angles.

Preferably, the inner side of the mounting hole is provided with a limiting hole, and the surface of the limiting hole is provided with anti-skid lines.

Preferably, the edge of the limiting hole is provided with two groups of limiting grooves.

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

the utility model discloses a set up wave linear structure on the saw bit body, changed planar structure in the past, can form the air current when the saw bit body is high-speed rotatory, blow off the disconnected grass that falls on the saw bit body, cutting edge on the saw bit body is favorable to cutting the disconnected grass once more, and the aerofoil is favorable to increasing wind-force, prevents to be drawn into the machine, extension machine life.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged structural diagram of a region a in fig. 2.

In the figure: 1 saw bit body, 2 mounting holes, 3 wave linear structure, 4 louvres, 5 cutting edges, 6 aerofoil, 7 spacing holes, 8 spacing grooves.

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 to 3, the present invention provides a technical solution: the utility model provides a prevent grass-curling type saw bit of mowing, includes saw bit body 1, mounting hole 2 has been seted up in the installation of the center department of saw bit body 1, its the surface of saw bit body 1 is provided with wave linear structure 3, the welding of one side of wave linear structure 3 has cutting edge 5, the installation direction of cutting edge 5 keeps unanimous with the direction of rotation of saw bit body 1, and cutting edge 5 is the setting of forty-five degrees angle, the opposite side welding of wave linear structure 3 has aerofoil 6, aerofoil 6 and cutting edge 5 setting of staggering, and aerofoil 6 and saw bit body 1 are the right angle setting, install louvre 4 on the saw bit body 1, this louvre 4 is favorable to under the high-speed rotatory behavior of saw bit body 1, fine heat dissipation, the flow of the air current of being convenient for simultaneously.

Specifically, four groups of blades 5 and wind plates 6 are arranged, and the four groups of blades 5 and wind plates 6 are distributed on the saw blade body 1 at equal angles. The four groups of blades 5 are beneficial to better cutting off grass, and the four groups of wind plates 6 are beneficial to improving wind power and better blowing off the grass.

Specifically, both ends of the air plate 6 are set to be circular structures. So that the included angle is formed between the two ends of the wind plate 6 and the saw blade body 1, and the grass can not be blocked.

Specifically, the heat dissipation holes 4 are annularly distributed on the saw blade body 1 at equal angles. Which is beneficial to better heat dissipation of the saw blade body 1.

Specifically, the inner side of the mounting hole 2 is provided with a limiting hole 7, and the surface of the limiting hole 7 is provided with anti-skid lines. This spacing hole 7 is favorable to the better cooperation and the installation of saw bit body 1 and the installation axle of lawn mower.

Specifically, the limit groove 8 is formed in the edge of the limit hole 7, and two sets of limit grooves 8 are formed in the limit groove 8. Install on the installation axle of lawn mower with 8 assorted stoppers of spacing groove, be favorable to improving the stability of saw bit body 1.

The working principle is as follows: during the use, install saw bit body 1 on the installation axle of lawn mower through mounting hole 2, install epaxial stopper card in the spacing groove 8 of spacing hole 7 limit portion, be favorable to improving saw bit body 1's stability, can form the air current when saw bit body 1 is rotatory at a high speed, blow off the disconnected grass that falls on saw bit body 1, cutting edge 5 on saw bit body 1 is favorable to cutting disconnected grass once more, aerofoil 6 is favorable to increasing wind-force, prevent to be drawn into the machine, extension machine life, louvre 4 on saw bit body 1 is favorable to under the high-speed rotatory behavior of saw bit body 1, fine heat dissipation, the flow of the air current of being convenient for simultaneously.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a prevent roll up grass type saw bit of mowing, includes saw bit body (1), mounting hole (2), its characterized in that have been seted up in the installation of the center department of saw bit body (1): the utility model discloses a saw bit with the wind board, including saw bit body (1), wave linear structure (3), one side welding of wave linear structure (3) has cutting edge (5), the direction of rotation of the installation direction of cutting edge (5) and saw bit body (1) keeps unanimous, and cutting edge (5) are forty-five degrees angle settings, the opposite side welding of wave linear structure (3) has aerofoil (6), aerofoil (6) and cutting edge (5) looks staggered arrangement, and aerofoil (6) are the right angle setting with saw bit body (1), install louvre (4) on saw bit body (1).

2. The anti-wind grass type mowing saw blade according to claim 1, wherein: the saw blade is characterized in that four groups of blades (5) and the wind plates (6) are arranged, and the four groups of blades (5) and the wind plates (6) are distributed on the saw blade body (1) at equal angles.

3. The anti-wind grass type mowing saw blade according to claim 1, wherein: and both ends of the wind plate (6) are arranged to be circular structures.

4. The anti-wind grass type mowing saw blade according to claim 1, wherein: the heat dissipation holes (4) are distributed on the saw blade body (1) in an annular shape at equal angles.

5. The anti-wind grass type mowing saw blade according to claim 1, wherein: the inner side of the mounting hole (2) is provided with a limiting hole (7), and the surface of the limiting hole (7) is provided with anti-skid lines.

6. An anti-wind grass type mowing saw blade according to claim 5, wherein: the edge of the limiting hole (7) is provided with two groups of limiting grooves (8), and the two groups of limiting grooves (8) are arranged.