CN219421603U - Light-duty section pair mowing saw bit - Google Patents

Light-duty section pair mowing saw bit Download PDF

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Publication number
CN219421603U
CN219421603U CN202223217266.0U CN202223217266U CN219421603U CN 219421603 U CN219421603 U CN 219421603U CN 202223217266 U CN202223217266 U CN 202223217266U CN 219421603 U CN219421603 U CN 219421603U
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China
Prior art keywords
saw blade
heat dissipation
dissipation holes
holes
saw
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CN202223217266.0U
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Chinese (zh)
Inventor
徐富臣
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Nakamura Saw Blade Co ltd
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Nakamura Saw Blade Co ltd
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Priority to CN202223217266.0U priority Critical patent/CN219421603U/en
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Publication of CN219421603U publication Critical patent/CN219421603U/en
Priority to JP2023202410A priority patent/JP7479102B1/en
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Abstract

The utility model relates to the technical field of mowing saw blades and discloses a light-weight section-pair mowing saw blade, which comprises a saw blade body (1), wherein steps (2) are arranged on the saw blade body (1), and radiating holes (3) are distributed on two sides of each step (2) in an array manner; the saw blade body (1) comprises a step inner side (101) and a step outer side (102), the step (2) is arranged at the joint of the step inner side (101) and the step outer side (102), and the radiating holes (3) are distributed on the step inner side (101) and the step outer side (102) in an array mode. The mowing saw blade can be applied to a conventional mower, is particularly suitable for a rechargeable mower, reduces the weight of the saw blade by arranging steps on the two sides of the saw blade, and is easier to mow, so that the labor intensity of workers is reduced, the service life of a battery is prolonged, the cutting working time is longer, no round hole is formed in the step position, the strength of a base body is not influenced, and the base body is not broken at the step.

Description

Light-duty section pair mowing saw bit
Technical Field
The utility model relates to the technical field of mowing saw blades, in particular to a light-weight section-pair mowing saw blade.
Background
The mowing saw blade is a disc-shaped saw blade which is arranged on a mower and provided with a mounting hole in the center, and grass and trees are cut through rotation, but the labor intensity of workers is high when the current mowing blade is used due to the fact that the weight of the current mowing blade is large. The utility model relates to a light-duty section is paid and is mowed saw bit can be applied to conventional lawn mower, and the specially adapted rechargeable lawn mower adopts two-sided section to pay, sets up the step at the saw bit surface promptly, and thick edge is thin in the middle of the saw bit to lighten the weight of saw bit, extension battery life, cutting operating time is longer, does not have the louvre in step department, also does not influence the intensity of saw bit, can not cause the base member to fracture in step department. The utility model of application number CN201921099357.4 discloses a durable grass cutting blade comprising a blade body with a central through hole; the plurality of protruding heads are annularly arranged on the saw blade body at intervals, one end of each protruding head is provided with a first strip-shaped notch, the other end of each protruding head is provided with a second protruding edge, the first strip-shaped notch is connected with the second protruding edge through a third inclined part, and the width of the third inclined part is gradually reduced from the first strip-shaped notch to the second protruding edge; a blade head welded to the first strip-shaped notch and protruding from the protruding head; and a teflon coating layer coated on the surface of the saw blade body. The cutter head welded at one end of the protruding head is used for efficiently mowing, the second protruding edge at the other end is used for breaking thicker branches in advance, the service life is prolonged, and the trouble that the cutter head is easy to collapse is avoided. However, the saw blade of this type has a uniform surface thickness, the weight of the saw blade is relatively large, the labor intensity of workers is high during mowing, and the working efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a light-weight cut-to-cut mowing saw blade.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
a light-weight section pair mowing saw blade comprises a saw blade body, wherein steps are arranged on the saw blade body, and heat dissipation holes are distributed on two sides of each step in an array mode. The heat dissipation holes have heat dissipation effect and buffering and damping effects.
Preferably, the saw blade body comprises a step inner side and a step outer side, the step is arranged at the joint of the step inner side and the step outer side, and the heat dissipation holes are distributed on the step inner side and the step outer side in an array.
Preferably, both sides of the saw blade body are provided with steps, and the thickness of the inner side of each step is larger than that of the outer side of each step. The middle thick edge of the saw blade is thin, thereby reducing the weight of the saw blade.
Preferably, the center of the inner side of the step is provided with mounting holes, the number of the radiating holes is at least 4 groups, at least 4 groups of radiating holes are distributed around the mounting holes in an array manner, each group of radiating holes is at least provided with 7 rows along the radial direction of the saw blade body, and the diameter of each row of radiating holes is gradually increased outwards along the center of the saw blade body.
Preferably, the heat dissipation holes include a first heat dissipation hole and a second heat dissipation hole, the first heat dissipation hole is arranged at the inner side of the step and is close to the step, and the second heat dissipation hole is arranged at the outer side of the step and is close to the step.
Preferably, the number of the first heat dissipation holes in each row is at least 3, the number of the second heat dissipation holes in each row is at least 4, and the first heat dissipation holes and the second heat dissipation holes are all round.
Preferably, the saw blade body further comprises saw teeth, the saw teeth are distributed on the periphery of the outer side of the step around the circle center of the mounting hole in an annular array mode, chip grooves are formed between adjacent saw teeth, and cutting edges are arranged on the saw teeth.
Preferably, the tooth form of the saw tooth is of a U-shaped structure.
Preferably, the outer surfaces of the saw teeth are sandblasted.
The utility model has the remarkable technical effects due to the adoption of the technical scheme: the utility model provides a saw bit that mows is applied to rechargeable lawn mower, and the saw bit that mows adopts two-sided section to pay, sets up the step at the saw bit surface promptly, thick edge is thin in the middle of the saw bit to lighten the weight of saw bit, do not have the louvre in step department, also do not influence the intensity of saw bit, can not cause the base member to fracture in step department. The mowing saw blade is mainly applied to a rechargeable mower, and the steps are arranged on the two sides of the saw blade, so that the weight of the saw blade is reduced, the mowing is easier, the labor intensity of workers is reduced, the service life of a battery is prolonged, the cutting working time is longer, the step position is free of round holes, the strength of a base body is not affected, and the base body is not broken at the step.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a partial enlarged view of a in fig. 1.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: wherein, 1-saw blade body, 101-step inner side, 1011-mounting hole, 102-step outer side, 103-sawtooth, 1031-junk slot, 1032-blade, 2-step, 3-radiating hole, 301-first radiating hole, 302-second radiating hole.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A light-weight section pair mowing saw blade is shown in fig. 1-3, and comprises a saw blade body 1, wherein steps 2 are arranged on the saw blade body 1, and radiating holes 3 are distributed on two sides of the steps 2 in an array mode. The heat dissipation holes 3 have heat dissipation effect and buffering and damping effects.
The saw blade body 1 comprises a step inner side 101 and a step outer side 102, the step 2 is arranged at the joint of the step inner side 101 and the step outer side 102, and the radiating holes 3 are distributed on the step inner side 101 and the step outer side 102 in an array.
The saw blade body 1 is provided with steps 2 on both sides, the thickness of the inner side 101 of the steps being greater than the thickness of the outer side 102 of the steps. The middle thick edge of the saw blade is thin, thereby reducing the weight of the saw blade.
The step inboard 101 center is equipped with mounting hole 1011, and the quantity of louvre 3 is 4 groups, and 4 groups louvre 3 are arranged around mounting hole 1011 array, and every group louvre 3 is provided with 7 along saw bit body 1 radial direction, and the diameter of every row louvre 3 is outwards progressively increased along saw bit body 1 center.
The heat dissipation holes 3 include a first heat dissipation hole 301 and a second heat dissipation hole 302, the first heat dissipation hole 301 is disposed at the step inner side 101 near the step 2, and the second heat dissipation hole 302 is disposed at the step outer side 102 near the step 2.
The number of the first heat dissipation holes 301 in each row is 3, the number of the second heat dissipation holes 302 in each row is 4, and the first heat dissipation holes 301 and the second heat dissipation holes 302 are all circular.
The saw blade body 1 further comprises saw teeth 103, the saw teeth 103 are distributed on the periphery of the outer side 102 of the step around the circle center of the mounting hole 1011 in a ring-shaped array, chip grooves 1031 are arranged between adjacent saw teeth 103, and cutting edges 1032 are arranged on the saw teeth 103.
The tooth shape of the saw tooth 103 is U-shaped.
The outer surfaces of the saw teeth 103 are sandblasted.
Working principle: the utility model provides a saw bit that mows is applied to rechargeable lawn mower, and the saw bit that mows adopts two-sided section to pay, sets up step 2 on the saw bit surface promptly, and thick edge is thin in the middle of the saw bit to alleviate the weight of saw bit, do not have louvre 3 in step 2 department, also do not influence the intensity of saw bit, can not cause the base member to fracture in step department. The mowing saw blade is mainly applied to a rechargeable mower, and the steps are arranged on the two sides of the saw blade, so that the weight of the saw blade is reduced, the mowing is easier, the labor intensity of workers is reduced, the service life of a battery is prolonged, the cutting working time is longer, the step position is free of round holes, the strength of a base body is not affected, and the base body is not broken at the step.
Example 2
A light-weight section-pair mowing saw blade is shown in fig. 1, and comprises a saw blade body 1, wherein steps 2 are arranged on the saw blade body 1, and radiating holes 3 are distributed on two sides of the steps 2 in an array mode. The heat dissipation holes 3 have heat dissipation effect and buffering and damping effects.
The saw blade body 1 comprises a step inner side 101 and a step outer side 102, the step 2 is arranged at the joint of the step inner side 101 and the step outer side 102, and the radiating holes 3 are distributed on the step inner side 101 and the step outer side 102 in an array.
Example 3
A light-weight section pair mowing saw blade is shown in fig. 1-2, and comprises a saw blade body 1, wherein steps 2 are arranged on the saw blade body 1, and radiating holes 3 are distributed on two sides of the steps 2 in an array mode. The heat dissipation holes 3 have heat dissipation effect and buffering and damping effects.
The saw blade body 1 comprises a step inner side 101 and a step outer side 102, the step 2 is arranged at the joint of the step inner side 101 and the step outer side 102, and the radiating holes 3 are distributed on the step inner side 101 and the step outer side 102 in an array.
The saw blade body 1 is provided with steps 2 on both sides, the thickness of the inner side 101 of the steps being greater than the thickness of the outer side 102 of the steps. The middle thick edge of the saw blade is thin, thereby reducing the weight of the saw blade.
The step inboard 101 center is equipped with mounting hole 1011, and the quantity of louvre 3 is 4 groups, and 4 groups louvre 3 are arranged around mounting hole 1011 array, and every group louvre 3 is provided with 7 along saw bit body 1 radial direction, and the diameter of every row louvre 3 is outwards progressively increased along saw bit body 1 center.
The heat dissipation holes 3 include a first heat dissipation hole 301 and a second heat dissipation hole 302, the first heat dissipation hole 301 is disposed at the step inner side 101 near the step 2, and the second heat dissipation hole 302 is disposed at the step outer side 102 near the step 2.
The number of the first heat dissipation holes 301 in each row is 3, the number of the second heat dissipation holes 302 in each row is 4, and the first heat dissipation holes 301 and the second heat dissipation holes 302 are all circular.

Claims (7)

1. A light-weight section-attached mowing saw blade, which comprises a saw blade body (1), and is characterized in that: the saw blade body (1) is provided with steps (2), heat dissipation holes (3) are distributed on two sides of the steps (2) in an array manner, the saw blade body (1) comprises a step inner side (101) and a step outer side (102), the steps (2) are arranged at the joint of the step inner side (101) and the step outer side (102), and the heat dissipation holes (3) are distributed on the step inner side (101) and the step outer side (102) in an array manner; the center of the inner side (101) of the step is provided with mounting holes (1011), the number of the radiating holes (3) is at least 4 groups, at least 4 groups of radiating holes (3) are arrayed around the mounting holes (1011), each group of radiating holes (3) is at least provided with 7 rows along the radial direction of the saw blade body (1), and the diameter of each row of radiating holes (3) is increased outwards along the center of the saw blade body (1).
2. A lightweight, segmented, mowing saw blade as defined in claim 1, wherein: the saw blade body (1) is provided with steps (2) on both sides, and the thickness of the inner side (101) of each step is larger than that of the outer side (102) of each step.
3. A lightweight, segmented, mowing saw blade as defined in claim 1, wherein: the heat dissipation holes (3) comprise first heat dissipation holes (301) and second heat dissipation holes (302), the first heat dissipation holes (301) are arranged on the inner side (101) of the step and are close to the step (2), and the second heat dissipation holes (302) are arranged on the outer side (102) of the step and are close to the step (2).
4. A lightweight, segmented, mowing saw blade as set forth in claim 3, wherein: the number of first heat dissipation holes (301) in each row is at least 3, the number of second heat dissipation holes (302) in each row is at least 4, and the first heat dissipation holes (301) and the second heat dissipation holes (302) are all round.
5. A lightweight, segmented, mowing saw blade as defined in claim 1, wherein: saw bit body (1) still includes sawtooth (103), and sawtooth (103) are around the periphery of the centre of a circle annular array distribution in step outside (102) of mounting hole (1011), are equipped with junk slot (1031) between adjacent sawtooth (103), are equipped with cutting edge (1032) on sawtooth (103).
6. The lightweight, segmented mower-blade of claim 5 wherein: the tooth shape of the saw tooth (103) is U-shaped.
7. The lightweight, segmented mower-blade of claim 5 wherein: the outer surfaces of the saw teeth (103) are all subjected to sand blasting.
CN202223217266.0U 2022-12-01 2022-12-01 Light-duty section pair mowing saw bit Active CN219421603U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202223217266.0U CN219421603U (en) 2022-12-01 2022-12-01 Light-duty section pair mowing saw bit
JP2023202410A JP7479102B1 (en) 2022-12-01 2023-11-30 Grass cutting tipped saw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223217266.0U CN219421603U (en) 2022-12-01 2022-12-01 Light-duty section pair mowing saw bit

Publications (1)

Publication Number Publication Date
CN219421603U true CN219421603U (en) 2023-07-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223217266.0U Active CN219421603U (en) 2022-12-01 2022-12-01 Light-duty section pair mowing saw bit

Country Status (2)

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JP (1) JP7479102B1 (en)
CN (1) CN219421603U (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005022019A (en) 2003-07-01 2005-01-27 Taiyo Kirari Kk Manufacturing method of tip saw
JP2006044085A (en) 2004-08-05 2006-02-16 Kobayashi Tekkosho:Kk Rotary saw for bush cutter
JP4953251B2 (en) 2008-02-08 2012-06-13 富士重工業株式会社 Cutting blade and brush cutter
JP7019196B2 (en) 2019-08-23 2022-02-15 株式会社カネシカ Rotary blade for brush cutter

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