CN222235617U - Mowing knife with bending flail knife on two sides - Google Patents
Mowing knife with bending flail knife on two sides Download PDFInfo
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- CN222235617U CN222235617U CN202421096364.XU CN202421096364U CN222235617U CN 222235617 U CN222235617 U CN 222235617U CN 202421096364 U CN202421096364 U CN 202421096364U CN 222235617 U CN222235617 U CN 222235617U
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- Prior art keywords
- flail
- blade body
- knife
- saw blade
- cutting
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- 238000005452 bending Methods 0.000 title claims description 9
- 241000196324 Embryophyta Species 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 244000025254 Cannabis sativa Species 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of mowing cutters, in particular to a mowing cutter with bent flail knives on two sides, which comprises a saw blade body, a protective cover and a flail knife, wherein the flail knife is arranged on the saw blade body, the saw blade body and the flail knife form a plurality of sections of cutting of weeds, the saw blade body is also provided with a mounting hole and the protective cover, the mounting hole is arranged in the protective cover, the saw blade body and the flail knife form two sections of cutting or three sections of cutting of weeds through the saw blade body and the flail knife, if the two sections of cutting or the three sections of cutting of weeds are needed, the two sections of cutting or the three sections of cutting of weeds can be realized at one time, so that the efficiency of cutting of the weeds is greatly improved, and the flail knife can be arranged at a certain distance from the ground when in use.
Description
Technical Field
The utility model relates to the technical field of mowing cutters, in particular to a mowing cutter with bent flail blades on two sides.
Background
The mowing knife is a tool matched with a mower to be used for cutting weed lands, artificial lawns, small branches and the like when in use. However, the conventional mowing knife is generally in a circular shape or a bar shape (the end part of the blade is provided with a blade edge or a tooth opening), a mounting hole is formed in the middle of the mowing knife (the mounting hole is used for connecting a rotating shaft, the blade can be driven to rotate under the drive of the rotating shaft of a motor or an internal combustion engine so as to cut weeds), and the mowing knife mainly has the problems that (1) the cutting efficiency is low and the mowing knife can only cut through a single-layer blade (if the weeds need to be cut for a plurality of sections, the cutting needs to be carried out for a plurality of times), the blade needs to be attached to the ground for use (the lower part of the weeds is convenient for cutting), stones are easy to touch, and the damage to the blade is easy to cause, and (3) the rotating shaft of the motor or the internal combustion engine is directly mounted on the mounting hole, so that the weeds are easy to wind on the rotating shaft to block, block or damage the motor or the internal combustion engine.
Based on the above problems, we propose a grass cutter with bending flail knife on both sides.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a mowing knife with bent flail knives on two sides, and the saw blade can effectively solve the problems in the background art after being improved.
The technical scheme of the utility model is as follows:
a mowing knife with bending flail knife on two sides comprises a saw blade body, a protective cover and a flail knife;
The blade body is provided with a flail knife, and the blade body and the flail knife form a plurality of sections of cutting of weeds;
the saw blade body is further provided with a mounting hole and a protective cover, and the mounting hole is formed in the protective cover.
Further, the mounting hole is formed in the center of the saw blade body, the mounting hole is of a through hole structure, the protective cover is welded to one end of the saw blade body, connected with the rotating shaft, of the mounting hole, and the protective cover is of a hollow structure.
Further, flail knifes are mounted on the top surface and the bottom surface of the saw blade body through bolts.
Further, the flail knives are mounted on the top surface or the bottom surface of the saw blade body through bolts.
Further, the excircle of the saw blade body is provided with a tooth mouth.
Further, the flail knife is arranged close to the tooth mouth.
Further, the flail knife is arranged in a bending mode, one end of the flail knife is a fixed end and is arranged on the saw blade body through a bolt, the other end of the flail knife is a free end, and the free end of the flail knife is far away from the saw blade body and is obliquely arranged with the saw blade body.
Further, a blade is arranged on the side face of the free end of the flail knife.
Further, the blade body is also provided with a flail knife hole.
Further, the saw blade body and the flail knife are made of alloy steel.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, the saw blade body and the flail knife are arranged, so that two-section cutting or three-section cutting of weeds is formed by the saw blade body and the flail knife, and if a plurality of sections of weeds need to be cut, the cutting can be realized once, thereby greatly improving the efficiency of weed cutting;
(2) Due to the fact that the flail knife is arranged, when the saw blade is used, the saw blade can be placed at a certain distance from the ground, because the flail knife is arranged on the bottom surface of the saw blade body, the roots of weeds can be cut through the flail knife, so that the saw blade body is prevented from touching stones, the saw blade body can be effectively protected, and when the flail knife is rotated to the other side when touching the stones, hard collision is prevented, and the service life of the saw blade is prolonged;
(3) Through being equipped with the safety cover, the pivot is connected the back with this saw bit, and the safety cover can surround the pivot for weeds are difficult to wind in the pivot, have reduced power loss, simultaneously, also can protect motor and pivot.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a schematic structural view of another side of the present utility model.
In the figure, 1, a saw blade body, 2, a protective cover, 3, a flail knife, 4, a mounting hole, 5, a tooth mouth, 6, a fixed end, 7, a free end, 8, a cutting edge, 9 and a flail knife hole.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
As shown in figures 1-2 of the drawings,
A mowing knife with bending flail knives on two sides comprises a saw blade body 1, a protective cover 2 and a flail knife 3, wherein the saw blade body 1 is connected with the flail knife 3 through bolt rotation, the saw blade body 1 and the flail knife 3 form a plurality of sections of cutting of weeds, the saw blade body 1 is further provided with a mounting hole 4 and the protective cover 2, the mounting hole 4 is arranged in the protective cover 2, in the embodiment, the flail knife 3 can form a plurality of sections of cutting of weeds with the saw blade body 1, the cutting efficiency can be improved once when the weeds need to be cut for a plurality of sections, the saw blade body 1 is effectively prevented from being used by being attached to the ground, damage caused by the fact that the saw blade body 1 is easy to touch the ground is prevented, in addition, the protective cover 2 is arranged to prevent the weeds from being wound on a rotating shaft, and further the use quality of the mowing knife is ensured.
The saw blade comprises a saw blade body 1, a protective cover 2, a saw blade cover, a mounting hole 4, a through hole structure and a through hole structure, wherein the mounting hole 4 is arranged in the center of the saw blade body 1, the protective cover 2 is welded at one end of the saw blade body 1, the mounting hole 4 is connected with a rotating shaft, the protective cover 2 is of a hollow structure, the protective cover 2 is arranged on one side of the saw blade body 1 and can surround the rotating shaft, in addition, the shape (arranged in the middle of the saw blade body 1) and the structure (the through hole structure) of the mounting hole 4 enable the saw blade body 1 to be uniformly stressed, the cutting strength is further improved, and the through hole structure enables the rotating shaft to penetrate through the saw blade body 1 when the rotating shaft is mounted, and the firmness of mounting is enhanced.
The flail 3 is arranged on the top surface and the bottom surface of the saw blade body 1 through bolts, and it is understood that the flail 3 with the structure is arranged on the top surface and the bottom surface of the saw blade body 1, so that three sections of cutting of weeds can be realized through one-time cutting, and in addition, the flail 3 is arranged on the top surface and the bottom surface of the saw blade body 1 at equal intervals and at equal angles, so that the efficiency in cutting and the good dynamic balance in rotation are improved.
The flail 3 is arranged on the top surface or the bottom surface of the saw blade body 1 through bolts, it is understood that the flail 3 with the structure is arranged on the top surface or the bottom surface of the saw blade body 1, so that two sections of cutting of weeds can be realized through one-time cutting, and in addition, the flail 3 is arranged on the top surface or the bottom surface of the saw blade body 1 at equal intervals and equal angles, so that the efficiency in cutting and the dynamic balance in rotation are improved.
It should be noted that the flail 3 is not fixedly mounted, but can rotate freely with the bolt as the center (the bolt does not completely fasten the flail 3, and in addition, the threaded end of the bolt is welded and fixed with one end surface of the nut), and the working principle is that the flail is opened under the action of centrifugal force, and the flail rotates into the saw blade body 1 when encountering hard objects.
As a preferred embodiment, the outer circle of the saw blade body 1 is provided with a tooth opening 5, and the sharpness during cutting can be improved and the cutting effect can be improved by the tooth opening 5.
The design aims to enable the flail 3 to be better matched with the saw blade body 1 for cutting, and the free end 7 of the flail 3 extends for a larger distance, so that the cutting effect is improved.
The flail knife 3 is arranged in a bending mode, one end of the flail knife 3 is a fixed end 6 capable of rotating and is arranged on the saw blade body 1 through a bolt, the other end of the flail knife 3 is a free end 7, the free end 7 of the flail knife 3 is far away from the saw blade body 1 and is obliquely arranged with the saw blade body 1, and the obliquely arranged flail knife 3 can reduce resistance, can cut weeds better, is not easy to break and prolongs the service life. In addition, when the flail knife 3 is arranged on both sides of the saw blade body 1, the saw blade body 1 is used as a center to be symmetrically arranged, so that the flail knife 3 can be outwards expanded, and the cutting range is enlarged.
In a preferred embodiment, the side surface of the free end 7 of the flail knife 3 is provided with a cutting edge 8, and the two side surfaces of the free end 7 of the flail knife 3 can be provided with cutting edges 8 so that the flail knife can perform cutting in forward rotation and reverse rotation.
In the preferred embodiment, the blade body 1 is further provided with flail knife holes 9, and it is understood that the flail knife 3 is taken out of the blade body 1 and is taken out of the position of the flail knife holes 9, so that the weight of the blade body 1 can be effectively reduced, the use effect can be improved, the cost can be reduced, in addition, two (or a plurality of) flail knives 3 can be taken out of each flail knife hole 9, and more flail knives 3 can be used for standby, so that the cost is further reduced.
The saw blade body 1 and the flail 3 are made of alloy steel, and the hardness and toughness of the saw blade body 1 and the flail 3 are further enhanced by using the alloy steel, so that the service quality and service life of the mower are improved.
The weed cutter has the working principle that the rotating shaft of a motor or an internal combustion engine is connected with the mounting hole 4, the protective cover 2 can surround the rotating shaft, the flail 3 is taken out from the flail hole 9 and is bent and mounted on the saw blade body 1, and when weeds are cut, the top surface flail 3, the bottom surface flail 3 and the saw blade body 1 can form three-section cutting, so that the use effect of the weed cutter is improved.
It should be pointed out that the prior art has the main problems that the cutting efficiency is low and the cutting can be performed only through a single plane sheet;
Therefore, after the improvement of the application, the saw blade body 1 and the flail knife 3 form two-section cutting or three-section cutting of weeds, and if a plurality of sections of weeds are required to be cut, the two-section cutting or three-section cutting of weeds can be realized once, thereby greatly improving the efficiency of weed cutting.
The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (9)
1. Mowing knife with bending flail knife on two sides, which is characterized in that:
Comprises a saw blade body, a protective cover and a flail knife;
The blade body is provided with a flail knife, and the blade body and the flail knife form a plurality of sections of cutting of weeds;
the saw blade body is further provided with a mounting hole and a protective cover, and the mounting hole is formed in the protective cover.
2. The mowing knife with the bending flail knife arranged on two sides of the mowing knife body is characterized in that the mounting hole is arranged in the center of the saw blade body, the mounting hole is of a through hole structure, the protective cover is welded at one end of the mounting hole of the saw blade body, which is connected with the rotating shaft, and the protective cover is of a hollow structure.
3. A grass cutter with bent flail on both sides as claimed in claim 2, wherein the flail is mounted on the top and bottom surfaces of the blade body by bolts.
4. A grass cutter with bent flail on both sides as claimed in claim 3, wherein the flail is mounted on the top or bottom surface of the blade body by bolts.
5. A grass cutter with bent flail blades on both sides as set forth in claim 4, wherein the outer circle of the blade body is provided with tooth openings.
6. A mowing knife with a bent flail on two sides according to claim 5 is characterized in that the flail is arranged near the tooth mouth.
7. A mowing knife with bent flail knife on two sides is characterized in that the flail knife is bent, one end of the flail knife is a rotating fixed end and is arranged on a saw blade body through a bolt, the other end of the flail knife is a free end, and the free end of the flail knife is far away from the saw blade body and is obliquely arranged with the saw blade body.
8. A mowing knife with a bent flail on both sides according to claim 7 is characterized in that the side of the free end of the flail is provided with a blade.
9. A grass cutter with bent flail on both sides as claimed in claim 8, wherein the blade body is further provided with a flail hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421096364.XU CN222235617U (en) | 2024-05-18 | 2024-05-18 | Mowing knife with bending flail knife on two sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421096364.XU CN222235617U (en) | 2024-05-18 | 2024-05-18 | Mowing knife with bending flail knife on two sides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222235617U true CN222235617U (en) | 2024-12-27 |
Family
ID=94004144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421096364.XU Active CN222235617U (en) | 2024-05-18 | 2024-05-18 | Mowing knife with bending flail knife on two sides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222235617U (en) |
-
2024
- 2024-05-18 CN CN202421096364.XU patent/CN222235617U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241227 Address after: No. 64, Huayuanfang, Xisha Road, Ronggui Street, Shunde District, Foshan, Guangdong 528305 Patentee after: Huang Gencai Country or region after: China Address before: No. 64, Huayuanfang, Xisha Road, Ronggui Street, Shunde District, Foshan, Guangdong 528305 Patentee before: Huang Bingnan Country or region before: China |
|
| TR01 | Transfer of patent right |