CN213907521U

CN213907521U - High wear-resisting environment-friendly grass cutting piece

Info

Publication number: CN213907521U
Application number: CN202022687987.2U
Authority: CN
Inventors: 束伟仲
Original assignee: Jiangsu Haichang Tools Co ltd
Current assignee: Jiangsu Haichang Tools Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-10
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a high wear-resistant environment-friendly grass cutting blade, which comprises a grass cutting blade base body, wherein the grass cutting blade base body is provided with a mounting hole positioned in the center; the first cutting part and the second cutting part are alternately arranged on the lawn mower substrate and are separated by a U-shaped groove; the first cutting teeth extend to the first cutting part, the front ends of the first cutting teeth along the cutting direction are provided with strip-shaped notches, the rear ends of the strip-shaped notches are provided with reinforcing ridges, and the first cutting teeth are spaced through arc grooves; a cutter head welded on the strip-shaped notch; and the crescent groove is arranged in the center of the second cutting part, a plurality of second cutting teeth are arranged at two ends of the crescent groove, and the second cutting teeth are adjacent. The utility model discloses a first cutting portion mutually supports with the second cutting portion, accomplishes the cutting by the first cutting tooth of isostructure and second cutting tooth, and the wearability is good, and intensity is higher, avoids the single, the intolerance trouble of using of lawn mower tool bit in the past.

Description

High wear-resisting environment-friendly grass cutting piece

Technical Field

The application belongs to the technical field of saw blades, and particularly relates to a high-wear-resistance environment-friendly grass cutting blade.

Background

The grass cutting blade is a disc-shaped saw blade which is arranged on the mower and provided with a mounting hole in the center, and grass and trees are cut through rotation. But present grass cutting piece is comparatively frivolous, and the tool bit is single, and some saw bit base members have still brazed diamond powder, and the feature of environmental protection is poor, in addition in the use, very inconvenient, and can only be used for some smooth meadows, for example playground, or clean flower bed lawn, to being difficult to cut by the meadow of bush, branch and stone, damage the blade of grass cutting piece easily, still can cause the collapse of grass cutting piece when serious, splashes around, causes the potential safety hazard.

Therefore, a new professional mowing sheet with good wear resistance and strong durability needs to be researched.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem to be solved by the present application is to provide a highly wear-resistant environment-friendly grass cutting blade, in which the first cutting portion and the second cutting portion are matched with each other, and the cutting is completed by the first cutting teeth and the second cutting teeth of different structures, so that the wear resistance is good, the strength is high, and the trouble that the conventional grass cutting blade has a single blade head and is not durable is avoided.

In order to solve the technical problem, the utility model discloses a high wear-resistant environment-friendly grass cutting blade, which comprises a grass cutting blade base body, wherein the grass cutting blade base body is provided with a mounting hole positioned in the center;

the first cutting part and the second cutting part are alternately arranged on the lawn mower substrate and are separated by a U-shaped groove;

the first cutting teeth extend to the first cutting part, the front ends of the first cutting teeth along the cutting direction are provided with strip-shaped notches, the rear ends of the strip-shaped notches are provided with reinforcing ridges, and the first cutting teeth are spaced through arc grooves;

a cutter head welded on the strip-shaped notch; and

set up in the crescent moon groove of second cutting portion central authorities, the crescent moon groove both ends set up a plurality of second cutting teeth, and the second cutting tooth is adjacent.

According to the utility model discloses an embodiment, wherein above-mentioned tool bit protrusion is in strengthening the ridge portion, and strengthens the ridge portion and gradually short backward by the tool bit.

According to an embodiment of the present invention, the second cutting teeth are concave-curved.

According to the utility model discloses an embodiment, wherein above-mentioned crescent moon groove thickness is gradually thin along radial direction outwards.

According to the utility model discloses an embodiment, wherein above-mentioned lawn mower base member has the beaded finish portion that is located the U-shaped groove inner circle, and the beaded finish portion welding has protruding tooth portion.

Compared with the prior art, the application can obtain the following technical effects:

through the mutual cooperation of first cutting portion and second cutting portion, accomplish the cutting by the first cutting tooth of different structures and second cutting tooth, the wearability is good, and intensity is higher, avoids the single trouble of lawn mower blade head in the past, and is not durable.

Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a high wear ring type mower blade according to an embodiment of the present disclosure.

Reference numerals

The lawn mower comprises a lawn mower substrate 10, a mounting hole 11, a first cutting part 21, a second cutting part 22, a U-shaped groove 30, a first cutting tooth 40, a strip-shaped notch 41, a reinforcing ridge part 42, an arc groove 43, a cutter head 50, a crescent 60, a second cutting tooth 70 and a reinforcing ring part 80.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1, fig. 1 is a schematic view of a high wear ring type lawn mower according to an embodiment of the present application. As shown, a high wear-resistant environment-friendly grass mower comprises a grass mower substrate 10, wherein the grass mower substrate 10 is provided with a mounting hole 11 in the center; a first cutting part 21 and a second cutting part 22 alternately arranged on the grass cutting blade base body 10, wherein the first cutting part 21 and the second cutting part 22 are separated by a U-shaped groove 30; a plurality of first cutting teeth 40 extending from the first cutting portion 21, the first cutting teeth 40 having bar-shaped notches 41 at front ends thereof in a cutting direction, reinforcing ridges 42 at rear ends of the bar-shaped notches 41, and the first cutting teeth 40 being spaced apart by curved grooves 43; a cutter head 50 welded to the bar-shaped notch 41; and a crescent 60 disposed at the center of the second cutting portion 22, wherein a plurality of second cutting teeth 70 are disposed at both ends of the crescent 60, and the second cutting teeth 70 are adjacent to each other.

In one embodiment of the present invention, the grass cutting blade base 10 is mounted to the main shaft of the grass mower through the central mounting hole 11, and the first cutting portion 21 and the second cutting portion 22 are formed around the outer circumference of the grass cutting blade base, so as to perform cutting work separately, and simultaneously, chips are removed at intervals from the U-shaped groove 30.

Wherein, first cutting portion 21 distributes and has a plurality of first cutting teeth 40, and first cutting tooth 40 passes through the bar notch 41 welding tool bit 50 of front end, accomplishes the main cutting, and the rear end is strengthened strikeing and the buffering by strengthening ridge portion 42, improves the intensity of first cutting tooth 40, and tool bit 50's life, and the first cutting tooth 40 of arc groove 43 interval makes things convenient for the chip removal.

The center of the second cutting part 22 is provided with a crescent 60, the radian is concave, the two ends of the second cutting part are provided with second cutting teeth 70, the second cutting teeth are matched with the first cutting teeth 40 for further mowing and cutting, and the second cutting teeth 70 are adjacent and form a saw-tooth shape, so that the forming is simple, and the cutting efficiency is higher. The thickness of the crescent groove 60 is gradually reduced along the radial direction, the arc is transited, the cutting of some residual branches is completed, and the use performance is improved.

Preferably, the second cutting teeth 70 are concave arcs and are densely arranged in a ring, so that the sharpness is effectively guaranteed.

The utility model discloses a 50 projections of tool bit guarantee fully cutting in strengthening ridge 42, and strengthen ridge 42 and by tool bit 50 gradually short backward, become ridge form, the downward transition gradually reduces the impact stress of upside and concentrates, avoids collapsing absolutely, improves life.

Additionally, the utility model discloses a lawn mower base member 10 has the beaded finish portion 80 that is located the inner circle of U-shaped groove 30, and beaded finish portion 80 welding has protruding tooth portion, is favorable to the antiwind on plane meadow, improves the planarization of lawn cutting.

To sum up, the utility model discloses a first cutting portion mutually supports with the second cutting portion, accomplishes the cutting by the first cutting tooth of isostructure and second cutting tooth, and the wearability is good, and intensity is higher, avoids in the past the lawn mower blade head single, the trouble of not durable.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. The utility model provides a high wear-resisting environment-friendly grass cutting piece which characterized in that includes:

a grass trimmer substrate having a centrally located mounting aperture;

the cutter head is welded on the strip-shaped notch; and

the crescent groove is arranged at the center of the second cutting part, a plurality of second cutting teeth are arranged at two ends of the crescent groove, and the second cutting teeth are adjacent.

2. The highly wear-resistant environmentally friendly grass cutting blade as claimed in claim 1, wherein the blade head protrudes from the reinforcing ridge, and the reinforcing ridge is shorter rearward from the blade head.

3. The highly abrasion-resistant environment-friendly grass-cutting blade as claimed in claim 1, wherein the second cutting teeth are concavely curved.

4. The highly wear-resistant environmentally friendly grass-cutting blade as claimed in claim 1, wherein the thickness of said crescent is tapered in a radially outward direction.

5. The highly abrasion-resistant environment-friendly grass cutting blade according to claim 1, wherein the grass cutting blade base has a reinforcing ring portion at an inner periphery of the U-shaped groove, the reinforcing ring portion being welded with projecting teeth portions.