CN209930926U

CN209930926U - Slope type saw bit of mowing

Info

Publication number: CN209930926U
Application number: CN201920360062.1U
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 slope type saw bit of mowing, including first saw bit, second saw bit and sawtooth, first saw bit, second saw bit and sawtooth are integrated into one piece structure, first saw bit is planar structure, the mounting hole has been seted up to first saw bit intermediate position, the second saw bit is the curved surface structure, first decoration hole has been seted up on the second saw bit, second decoration hole has been seted up in the outside in first decoration hole, third decoration hole has been seted up in the outside in second decoration hole, fourth decoration hole has been seted up in the outside in third decoration hole, fifth decoration hole has been seted up in the outside in fourth decoration hole, sixth decoration hole has been seted up in the outside in fifth decoration hole, seventh decoration hole has been seted up in the outside in sixth decoration hole. The utility model discloses a set up the second saw bit into the curved surface structure, at the sawtooth during operation of mowing for the laminating slope that the sawtooth can be better goes to carry out effectual cutting, makes half a effort doubly.

Description

Slope type saw bit of mowing

Technical Field

The utility model relates to a saw bit technical field, concretely relates to slope type saw bit of mowing.

Background

The prior common grass cutting saw blade is assembled on a grass cutter for cutting grass and various miscellaneous trees, shrubs and the like.

The common grass cutting saw blade is a flat cutting blade, which is often used for cutting vegetation in certain specific places such as slopes and ditches with half the effort, so that the grass on the slopes and ditches is inconvenient to cut.

Disclosure of Invention

An object of the utility model is to provide a slope type saw bit of mowing, problem to existence in the aforesaid, through setting up the second saw bit into the curved surface structure, at the sawtooth during operation of mowing, make laminating slope that the sawtooth can be better go to carry out effectual cutting, make a lot of effort doubly, and through setting up the mounting hole, spacing groove and reverse thread groove can carry out spacing lock with first saw bit and die, guarantee the location of the first saw bit in the long-time use of mowing is normal, avoid first saw bit because long-time operation takes place the skew and the potential safety hazard that leads to drops, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a slope-type mowing saw blade comprises a first saw blade, a second saw blade and saw teeth, wherein the first saw blade, the second saw blade and the saw teeth are of an integrally formed structure, the first saw blade is of a plane structure, a mounting hole is formed in the middle of the first saw blade, the second saw blade is of a curved surface structure, the included angle between the second saw blade and the first saw blade is 12 degrees, a first decorative hole is formed in the second saw blade, a second decorative hole is formed in the outer side of the first decorative hole, a third decorative hole is formed in the outer side of the second decorative hole, a fourth decorative hole is formed in the outer side of the third decorative hole, a fifth decorative hole is formed in the outer side of the fourth decorative hole, a sixth decorative hole is formed in the outer side of the fifth decorative hole, a seventh decorative hole is formed in the outer side of the sixth decorative hole, the saw teeth comprise a chip groove and a cutter back, one side of the chip groove is intersected with the cutter back, be provided with the cutting edge between chip groove and the back of a knife blade, the contained angle of one side of chip groove and horizontal plane is 75, the contained angle of the back of a knife blade and horizontal plane is 6.

Preferably, the first, second, third, fourth, fifth, sixth and seventh decorative holes are in an annular array with respect to the center of the mounting hole, and the number of the first, second, third, fourth, fifth, sixth and seventh decorative holes is 30.

Preferably, the circle center of the saw teeth relative to the mounting hole is an annular array, and the number of the saw teeth is 40.

Preferably, the outer surfaces of the saw teeth are subjected to sand blasting treatment.

Preferably, the tooth shape of the sawtooth is a U-shaped structure.

Preferably, the outer end of the first saw blade is provided with two limiting grooves, the two limiting grooves are of square structures and located on the outer sides of two ends of the mounting hole, and reverse thread grooves are formed in the inner portion of the mounting hole.

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

1. the utility model discloses a set up the second saw bit into the curved surface structure, at the sawtooth during operation of mowing for the laminating slope that the sawtooth can be better goes to carry out effectual cutting, makes half a effort doubly.

2. The utility model discloses a set up mounting hole, spacing groove and reverse thread groove and can carry out spacing lock with first saw bit and die, guarantee that the location of the first saw bit in the use of mowing for a long time is normal, avoid first saw bit because long-time operation takes place the skew and the potential safety hazard that results in drops.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the sawtooth structure of the present invention;

fig. 4 is a sectional view of a portion of the mounting hole of the present invention.

In the figure: 1. a first saw blade; 2. a second saw blade; 3. saw teeth; 301. a chip groove; 302. a back of a knife; 303. a blade; 4. mounting holes; 5. a first decorative hole; 6. a second decorative hole; 7. a third decorative hole; 8. a fourth decorative hole; 9. a fifth decorative hole; 10. a sixth decorative hole; 11. a seventh decorative hole; 12. a limiting groove; 13. and a reverse thread groove.

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. 1-4, the present invention provides a technical solution: a slope type mowing saw blade comprises a first saw blade 1, a second saw blade 2 and saw teeth 3, wherein the first saw blade 1, the second saw blade 2 and the saw teeth 3 are of an integrally formed structure, the first saw blade 1 is of a plane structure, a mounting hole 4 is formed in the middle of the first saw blade 1, the diameter of the mounting hole is 25.40+0.05mm, the second saw blade 2 is of a curved surface structure, the included angle between the second saw blade 2 and the first saw blade 1 is 12 degrees, a first decorative hole 5 is formed in the second saw blade 2, the diameter of the first decorative hole 5 is 4.80mm, a second decorative hole 6 is formed in the outer side of the first decorative hole 5, the diameter of the second decorative hole 6 is 5.30mm, a third decorative hole 7 is formed in the outer side of the second decorative hole 6, the diameter of the third decorative hole 7 is 5.80mm, a fourth decorative hole 8 is formed in the outer side of the third decorative hole 7, the diameter of fourth decorative hole 8 is 6.30mm, fifth decorative hole 9 has been seted up in the outside of fourth decorative hole 8, the diameter of fifth decorative hole 9 is 7.00mm, sixth decorative hole 10 has been seted up in the outside of fifth decorative hole 9, the diameter of sixth decorative hole 10 is 7.30mm, seventh decorative hole 11 has been seted up in the outside of sixth decorative hole 10, the diameter of seventh decorative hole 11 is 7.80mm, sawtooth 3 includes chip groove 301 and back of a knife 302, chip groove 301 one side is crossing with back of a knife 302, be provided with cutting edge 303 between chip groove 301 and the back of a knife 302, the contained angle of one side of chip groove 301 and horizontal plane is 75, the contained angle of back of a knife 302 and horizontal plane is 6.

Further, the first, second, third, fourth, fifth, sixth and seventh

decorative holes

5, 6, 10 and 11 are all in an annular array with respect to the center of the mounting hole 4, and the number of the decorative holes is 30, the distance from the center of the first decorative hole 5 to the center of the mounting hole 4 is 109.40mm, the distance from the center of the second decorative hole 6 to the center of the mounting hole 4 is 125.00mm, the distance from the center of the third decorative hole 7 to the center of the mounting hole 4 is 139.60mm, the distance from the center of the fourth decorative hole 8 to the center of the mounting hole 4 is 154.20mm, the distance from the center of the fifth decorative hole 9 to the center of the mounting hole 4 is 169.20mm, the distance from the center of the sixth decorative hole 10 to the center of the mounting hole 4 is 183.40mm, the distance from the center of the seventh decorative hole 11 to the center of the mounting hole 4 is 198.20mm, and the distance from the center of the first, second and seventh decorative holes 6, 7, 6, 7 to the center of the mounting hole 4 is 198.20mm, The fourth, fifth, sixth and seventh

decorative holes

8, 9, 10 and 11 can not only improve the appearance and reduce the manufacturing cost, but also increase the heat dissipation effect of the saw blade.

Furthermore, the circle center of the saw teeth 3 relative to the mounting hole 4 is an annular array, and the number of the saw teeth 3 is 40, so that the mowing speed is higher, and the effect is better.

Furthermore, the outer surfaces of the saw teeth 3 are subjected to sand blasting treatment, so that the wear resistance of the saw teeth 3 can be improved, and the service life of the saw blade is prolonged.

Furthermore, the tooth form of sawtooth 3 is U type structure, can conveniently cut off the grass to conveniently discharge the piece from chip groove 301.

Further, spacing groove 12 has been seted up to the outer end of first saw bit 1, spacing groove 12 is provided with two, just spacing groove 12 is square structure, and square structure can increase limit function, avoids taking place to slide, and stability is better, two spacing groove 12 is located the outside at mounting hole 4 both ends, the inside reverse thread groove 13 that is provided with of mounting hole 4 can carry out spacing lock with first saw bit 1 through setting up mounting hole 4, spacing groove 12 and reverse thread groove 13 and dies, guarantees that the location of first saw bit 1 in the use of mowing for a long time is normal, avoids first saw bit 1 because long-time operation takes place the skew and the potential safety hazard that drops and lead to.

The structure principle is as follows: the utility model discloses a set up second saw bit 2 into the curved surface structure, at the sawtooth 3 during operation of mowing for the laminating slope that the sawtooth 3 can be better goes to carry out effectual cutting, do all the best doubly, in addition through setting up mounting hole 4, spacing groove 12 and reverse thread groove 13 can carry out spacing lock with first saw bit 1 and die, guarantee that the location of first saw bit 1 in the use of mowing for a long time is normal, avoid first saw bit 1 because long-time operation takes place the skew and the potential safety hazard that drops and lead to.

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 slope type saw bit of mowing, includes first saw bit (1), second saw bit (2) and sawtooth (3), its characterized in that: the saw blade assembly is characterized in that the first saw blade (1), the second saw blade (2) and the saw teeth (3) are of an integrally formed structure, the first saw blade (1) is of a plane structure, a mounting hole (4) is formed in the middle of the first saw blade (1), the second saw blade (2) is of a curved surface structure, the included angle between the second saw blade (2) and the first saw blade (1) is 12 degrees, a first decorative hole (5) is formed in the second saw blade (2), a second decorative hole (6) is formed in the outer side of the first decorative hole (5), a third decorative hole (7) is formed in the outer side of the second decorative hole (6), a fourth decorative hole (8) is formed in the outer side of the third decorative hole (7), a fifth decorative hole (9) is formed in the outer side of the fourth decorative hole (8), a sixth decorative hole (10) is formed in the outer side of the fifth decorative hole (9), and a seventh decorative hole (11) is formed in the outer side of the sixth decorative hole (10), sawtooth (3) are including chip groove (301) and back of a knife blade (302), chip groove (301) one side is crossing with back of a knife blade (302), be provided with cutting edge (303) between chip groove (301) and back of a knife blade (302), one side of chip groove (301) is 75 with the contained angle of horizontal plane, back of a knife blade (302) is 6 with the contained angle of horizontal plane.

2. The ramped lawn mowing saw blade of claim 1, wherein: the first decoration hole (5), the second decoration hole (6), the third decoration hole (7), the fourth decoration hole (8), the fifth decoration hole (9), the sixth decoration hole (10) and the seventh decoration hole (11) are all in an annular array relative to the circle center of the mounting hole (4), and the number of the first decoration hole, the second decoration hole, the third decoration hole, the fourth decoration hole, the fifth decoration hole, the sixth decoration hole and the seventh decoration hole is 30.

3. The ramped lawn mowing saw blade of claim 1, wherein: the circle center of the saw teeth (3) relative to the mounting hole (4) is an annular array, and the number of the saw teeth (3) is 40.

4. The ramped lawn mowing saw blade of claim 1, wherein: the outer surfaces of the saw teeth (3) are subjected to sand blasting treatment.

5. The ramped lawn mowing saw blade of claim 1, wherein: the tooth form of the saw teeth (3) is of a U-shaped structure.

6. The ramped lawn mowing saw blade of claim 1, wherein: spacing groove (12) have been seted up to the outer end of first saw bit (1), spacing groove (12) are provided with two, just spacing groove (12) are square structure, two spacing groove (12) are located the outside at mounting hole (4) both ends, inside reverse thread groove (13) that is provided with of mounting hole (4).