CN109819646A - Grass trimmer and its blade - Google Patents

Grass trimmer and its blade Download PDF

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Publication number
CN109819646A
CN109819646A CN201780008819.4A CN201780008819A CN109819646A CN 109819646 A CN109819646 A CN 109819646A CN 201780008819 A CN201780008819 A CN 201780008819A CN 109819646 A CN109819646 A CN 109819646A
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CN
China
Prior art keywords
blade
cutting
cutting part
vane body
grass trimmer
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Pending
Application number
CN201780008819.4A
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Chinese (zh)
Inventor
焦石平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
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Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Publication of CN109819646A publication Critical patent/CN109819646A/en
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/01Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/01Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/73Cutting apparatus

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Knives (AREA)

Abstract

A kind of blade on grass trimmer, blade (100) includes cutting (40) portion for cutting and the vane body (20) that is connected with cutting part (40), cutting part (40) is located at the side or opposite two sides of vane body (20), and the edge of cutting part (40) is without cutting edge.

Description

Grass trimmer and its blade Technical field
The present invention relates to the grass trimmer of a kind of grass trimmer and its blade, especially high-speed cutting and its blades.
Background technique
With the raising and the development of society of scientific and technological level, more and more power tools have come into people's lives, have completed many work instead of people, to alleviate the burden of people, bring great convenience for people.Power tool generally includes to be installed on the blade in drive shaft, and is rotated into row cutting work by drive shaft band cutting blade.
But at present, such as the power tools such as grass trimmer, its blade installed passes through sharpening process, the excessively thin and easy aging of knife edge part is caused to cause to burst apart, and blade part stress concentration is easily damaged it by compared with noticeable effort, therefore service life is shorter, needs to frequently replace blade and increases the purchase cost of user, and brings very big inconvenience for user.
Summary of the invention
To overcome drawbacks described above, the present invention adopts the following technical scheme: a kind of blade on grass trimmer, the blade includes the cutting part for cutting and the vane body that is connected with the cutting part, the cutting part is in the side or opposite two sides of the vane body, and the edge of the cutting part is without cutting edge.
Preferably, the blade linear velocity range is 13.6m/s~51m/s.
Preferably, the blade linear velocity range is 19m/s~27m/s.
Preferably, the thickness range of the cutting part is 0.2mm~1.2mm.
Preferably, the thickness range of the cutting part is 0.3mm~0.6mm.
Preferably, the length range of the cutting part is not less than 0.3mm.
Preferably, the length range of the cutting part is not less than 0.5mm.
Preferably, the thickness range of the vane body is 0.2mm~2mm.
Preferably, the thickness of the cutting part is identical as the thickness of the vane body.
Preferably, the cutting part and the thickness range of the vane body are 0.2mm~1.2mm.
Preferably, the cutting part and the thickness range of the vane body are 0.3mm~0.6mm.
Preferably, the cutting part includes the connecting end surface for the cutting end face of cutting and the connection cutting end face and the vane body, and the vane body includes the side perpendicular with the cutting end face.
Preferably, the connecting end surface smoothly extends.
Preferably, the connecting end surface is parallel to the side of the vane body.
Preferably, the connecting end surface is directly extended to form along the plane where the side of the vane body.
Preferably, the blade is in rectangle.
Preferably, the blade with a thickness of 0.3mm.
Preferably, the material of the blade is hard alloy or stainless steel.
Preferably, the vane body offers mounting hole.
Following technical solution also can be used in the present invention: a kind of grass trimmer includes blade as described above.
Preferably, the grass trimmer includes the drive shaft of driving motor and the connection driving motor, and the blade rotates under the drive of the drive shaft, and the range of speeds of the driving motor is 2000rpm~7500rpm.
Preferably, the range of speeds of the driving motor is 2800rpm~4000rpm.
Preferably, the grass trimmer is intelligent grass-removing, and the intelligent grass-removing includes shell, running gear, diced system, detecting system and control system, and the diced system includes the cutterhead and the blade that is fixed on the cutterhead.
Preferably, mounting hole is provided in the vane body, the grass trimmer is additionally provided with fixing piece, and the fixing piece passes through the mounting hole and the blade is fixed on the cutterhead.
Preferably, the grass trimmer at least has there are two the blade, and the blade encloses on the cutterhead.
The beneficial effects of the present invention are: avoiding stress to concentrate by setting no cutting edge for the edge of blade cutting part and being easily damaged cutting part locally by biggish active force, blade life is promoted.
Detailed description of the invention
Fig. 1 is the front view of the blade of first embodiment of the invention;
Fig. 2 is the cross-sectional view of blade shown in FIG. 1.
Fig. 3 is the cross-sectional view of the blade of second embodiment of the invention.
Fig. 4 is the cross-sectional view of the blade of third embodiment of the invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings. A better embodiment of the invention is given in the attached drawing.But the invention can be realized in many different forms, however it is not limited to embodiment described herein.It is made the disclosure of the present invention more thorough and comprehensive on the contrary, purpose of providing these embodiments is.
It should be noted that be referred to as " being installed on " another element when element, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.Term as used herein "upper", "lower", "left", "right" and similar statement are for illustrative purposes only.Heretofore described length is the length on length direction, and wherein length direction is the up and down direction in Fig. 1 to Fig. 4;With a thickness of the thickness on thickness direction, wherein thickness direction refers to left and right directions of the Fig. 2 into Fig. 4.
Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.Term as used herein in the specification of the present invention, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.Term " and or " used herein includes any and all combinations of one or more related listed items.
As shown in Figures 1 to 4, a kind of blade 100 being installed on grass trimmer, blade 100 includes the cutting part 40 for cutting and the vane body 20 that is connected with the cutting part 40, cutting part 40 is located at the side or opposite two sides of vane body 20, without cutting edge, edge refers to edge at the edge of cutting part 40, such as, in Fig. 1 and Fig. 2, the edge of cutting part 40 refers to outermost of the cutting part 40 far from vane body 20.Since the edge of cutting part 40 is without sharpening process, thus non-aging and blade mouth crack, the problem of having longer service life, be used for a long time without having to worry about 40 aging of cutting part, user is not necessarily to frequent more allowing blade replacement, to reduce use cost.
As shown in Figures 1 to 4, due to blade 100 cutting part 40 edge without cutting edge, cause the edge thickness of cutting part 40 to increase compared to the blade thickness for having cutting edge, in the identical situation of blade linear velocity, since the edge thickness of cutting part 40 increases, cut quality is caused to be deteriorated.Blade 100 is when executing cutting task in the case that the thickness of blade 100 is constant, and in a certain range, linear velocity is bigger, and cutting effect is better, and therefore, the cut quality of blade 100 can be promoted by promoting linear velocity.But blade 100 is on grass trimmer when working, or even when working on intelligent grass-removing, and to promote linear velocity, one Aspect needs to be promoted electric current, promotes energy consumption, improves the capacity of battery pack, increases cost;On the other hand, at work, energy consumption is too big for grass trimmer, it will increase the risk that object is hurted sb.'s feelings or hurt when operating out of control, especially intelligent grass-removing is in unserviced working environment, if kinetic energy is too big and unattended, just in case operating out of control, it easily causes to accidentally injure people or accidentally injure in object, or work to encounter barrier, since kinetic energy is too big, barrier is bounced, splashing hurts sb.'s feelings or hurts object etc..In summary several situations, in the present invention, by the way that by the edge of the cutting part 40 of blade 100, without cutting edge, but the integral thickness of the cutting part 40 of blade 100 does certain limitation, so that the linear velocity of blade 100 reaches suitable range, the cut quality of blade 100 can be met.In the case that the linear velocity of blade is constant, in a certain range, the thickness of blade 100 is thinner, and cutting effect is better.However, 100 thickness of blade is too thin, when high speed rotation, encountering rigid objects can be easily broken off, or even splashes and hurt sb.'s feelings.In the present invention, by limiting the linear velocity range of blade 100, the cutting part 40 of blade 100 and the thickness range of vane body 20, to realize optimal cutting effect.Specifically, linear velocity range when 100 circumgyration incision of blade is 13.6m/s~51m/s, the thickness range of the cutting part 40 of blade 100 is 0.2mm~1.2mm, and the thickness range of vane body 20 is 0.2mm~2mm, to realize preferable cutting effect.Within the above range, it is preferred that the linear velocity range of blade 100 is 19m/s~27m/s, and the thickness range of the cutting part 40 of blade 100 is 0.3~0.6mm, to realize more preferably cutting effect.In one embodiment, when blade 100 is with a thickness of 0.3mm, blade linear velocity is 51m/s, and the kinetic energy of blade 100 reaches 1.8J, and 100 kinetic energy of blade is no more than 2J, applies on intelligent grass-removing, also within safe range.In another embodiment, the material of blade 100 is hard alloy or stainless steel, in this way, the blade 100 can cut work piece with sufficient intensity, avoids the working efficiency for reducing the grass trimmer for being equipped with the blade 100.In other embodiments, the material of blade 100 can also be other metal materials or nonmetallic materials.Insert 100, since the edge of cutting part 40 is without sharpening process, thus non-aging and blade mouth crack, with longer service life, the problem of being used for a long time without having to worry about 40 aging of cutting part, user is not necessarily to frequent more allowing blade replacement, to reduce use cost.And, the thickness of the cutting part 40 of blade 100 and the thickness of vane body 20 control in a certain range respectively, the linear velocity of blade 100 is also controlled in a certain range, to guarantee to realize good cutting effect under the premise of controlling energy consumption, control cost, control kinetic energy to avoid risk is accidentally injured.
In another embodiment, the thickness range of the cutting part 40 of blade 100 be 0.2mm~ 1.2mm, preferably, the thickness range of the cutting part 40 of blade 100 is 0.3~0.6mm, the length of the cutting part 40 of blade 100 is not less than 0.3mm, preferably not less than 0.5mm, so as to after 40 edge of cutting part is worn, the remaining part of the cutting part 40 can still execute cutting task, the length of the cutting part 40 of blade 100 is not less than 0.3mm, refers to the length of cutting part 40 in the longitudinal direction not less than 0.3mm, length direction refers to Fig. 2 to up and down direction shown in Fig. 4.Such as, the length of the cutting part 40 of blade 100 is 0.5mm, the thickness of the cutting part 40 is within the scope of 0.3~0.6mm, when the cutting part 40 of blade 100 is worn from the inside 0.1mm range in edge, the remaining 0.4mm of cutting part 40, the thickness of remaining cutting part 40 still within the scope of 0.3~0.6mm, can still execute cutting task.Insert 100, since the length of cutting part 40 is not less than 0.3mm, after 40 part of cutting part is worn, blade 100 can still execute cutting task, increase blade service life, user is not necessarily to frequent more allowing blade replacement, to reduce use cost.Common has cutting edge blade, after blade cutting edge edge is worn, blade cut quality degradation, under conditions of guaranteeing cut quality, the service life of blade has terminated, the useful life of blade is the time that cutting edge edge is worn, and above-mentioned cutting edge edge refers to the most edge of cutting edge, and the useful life of blade refers to the service life for guaranteeing that blade cut quality does not decline;And in the present invention, by being no cutting edge by the edge designs of cutting part 40, and the length of cutting part 40 is not less than 0.3mm, preferably not less than 0.5mm, on the one hand, 40 edge of cutting part of blade 100 is without cutting edge, stress collection is medium and small, the edge of cutting part 40 is more difficult to be worn, the time that the edge of cutting part 40 is worn is longer than the time for commonly having the cutting edge edge of the blade of cutting edge to be worn, on the other hand, the useful life of blade is the time that the entire length of cutting part 40 is worn completely, the useful life of blade is longer than the useful life for commonly having cutting edge blade, and the increase of the length with cutting part 40, the useful life of blade even can be the several times or even dozens of times for commonly having cutting edge blade.
It as shown in Figures 1 and 2, is first embodiment of the invention, vane body 20 is identical as the thickness of cutting part 40, and blade 100 is whole without cutting edge.Specifically, the thickness range of vane body 20 and cutting part 40 is 0.2mm~1.2mm, it is preferred that the thickness range of the cutting part 40 of blade 100 is 0.3~0.6mm.In one embodiment, 100 integral thickness of blade is 0.3mm, i.e. the thickness of vane body 20 and cutting part 40 is 0.3mm.In the present embodiment, since the thickness of cutting part 40 is identical as the thickness of vane body 20, it is also assumed that vane body 20 is also cutting part 40, i.e., blade 100 only includes cutting part 40.As shown in Fig. 2, in the present embodiment, vane body 20 is complete with cutting part 40 The summation of minister's degree is effective Cutting Length, and the useful life of blade 100 is the time that the whole length of blade 100 are worn.And the useful life of the common blade 100 for having cutting edge is the time that cutting edge edge is worn, after cutting edge edge is worn, cut quality meeting degradation, even if user does not consider that cut quality is changed without blade at this time, after most late cutting edge is worn completely, the service life of blade also just terminates completely, then without cutting power.And in the present embodiment, blade 100 is whole without cutting edge, sharpening process is needed not move through, thus non-aging and blade mouth crack, and, in the entire length of blade 100, cut quality is all consistent, and even if the edge of blade 100 is constantly worn, the cutting power of blade 100 is also always maintained at, until the length of entire blade 100 has all been worn, the service life of blade 100 can just be terminated.The service life of blade 100 is commonly to have the decades of times of cutting edge blade even more, and in the present embodiment, the cut quality of blade 100 is always maintained at unanimously, and commonly has the cut quality of cutting edge blade declining always.
In Fig. 1 into first embodiment shown in Fig. 2, blade 100 is in rectangle, and blade 100 is equipped with several (including one), and mounting hole 22 is so that blade 100 to be fixed on grass trimmer, specifically, in the present embodiment, the length of the blade 100 is 36mm, width 18mm, and cutting part 40 is located at the long side of blade 100, mounting hole 22 is two, and two interval of mounting hole 22 settings, the diameter of mounting hole 22 is 7mm, and is spaced 14mm between two mounting holes 22.In other embodiments, blade 100 can also be other shapes, and the shape of mounting hole 22 is without being limited thereto, can also be other quantity, such as a mounting hole 22 is only arranged.Insert 100, entirety is without cutting edge, part of the blade 100 in addition to mounting hole is cutting part 40, and blade 100 needs not move through sharpening process, thus non-aging and blade mouth crack, the problem of being used for a long time without having to worry about 40 aging of cutting part, and in 100 use process of blade, cut quality is always maintained at unanimously, is had longer service life and is maintained higher cut quality always, user is not necessarily to frequent more allowing blade replacement, to reduce use cost.
In other embodiments, the thickness of vane body 20 and cutting part 40 can not also be identical, specific second embodiment of the invention and 3rd embodiment as shown in Figures 3 and 4, the thickness at the edge of vane body 20 is greater than the thickness at the edge of cutting part 40, the thickness range of the cutting part 40 of blade 100 is 0.2mm~1.2mm, and the thickness range of vane body 20 is 0.2mm~2mm, preferably, the thickness range of the cutting part 40 of blade 100 is 0.3~0.6mm, to realize good cutting effect.Cutting part 40 include far from vane body 20 and for cutting cutting end face 401, connection cutting end face 401 and vane body 20 connecting end surface 402, connecting end surface 402 smoothly extend, thus avoid generate stress concentration and It is easily damaged cutting part 40 locally by compared with noticeable effort.Vane body 20 includes the side 202 perpendicular with cutting end face 401.In second embodiment shown in Fig. 3, connecting end surface 402 is parallel to the side 202 of vane body 20, in a second embodiment, it is preferred that in the junction of connecting end surface 402 and vane body 20, setting chamfering makes its excess smoothness.In 3rd embodiment shown in Fig. 4, connecting end surface 402 extremely cuts end face 401 along linear extension from the edge of the side of vane body 20 202;In other embodiments, connecting end surface 402 can also extend to cutting end face 401 along curve smoothing from the edge of the side of vane body 20 202.In first embodiment shown in Fig. 2, the description of second embodiment and 3rd embodiment can also be contrasted, connecting end surface 402 is directly extended to form along 202 place plane of the side of the vane body 20.
Insert 100 has enough intensity and good anti-aging property due to being not necessarily to sharpening while guaranteeing cutting efficiency, thus in long-term use without having to worry about 40 aging of cutting part the problem of, with longer service life.And reduces production routine, improve the production efficiency of the blade 100.
The present invention also provides a kind of grass trimmers, including cutterhead and the blade being fixed in above-described embodiment on cutterhead 100, mounting hole 22 are provided in vane body 20, grass trimmer is equipped with fixing piece, and fixing piece wears mounting hole 22 and blade 100 is fixed on cutterhead.Grass trimmer of the invention realizes mowing performance by blade 100, guarantees mowing ability.After grass trimmer of the invention uses above-mentioned blade 100, since 40 edge of cutting part of blade 100 is without cutting edge, it is able to extend the service life of blade 100, reduces user's frequently more number of allowing blade replacement 100, reduces attachment cost, it is user-friendly.Further, the concrete shape of blade and quantity can be depending on actual conditions, and the quantity of blade can be several (including one), preferably at least two, and at least two blades enclose on cutterhead.In this way, after two cutting parts 40 abrasion of one of blade 100 with rotary head, so that other blades 100 on cutterhead cut vegetation, so that blade 100 is long using the time, the number of more allowing blade replacement 100 can be reduced, reduce attachment cost.
In one embodiment, grass trimmer is intelligent grass-removing, automatically walk and mowing on ground comprising shell, running gear, diced system, detecting system and control system.Running gear includes running motor and the wheel by running motor driving.Diced system includes cutting motor, the transmission shaft connecting with cutting motor and the cutter device with transmission shaft mating.Detecting system is used to detect the position of intelligent grass-removing.Control system is for controlling running gear, diced system and detecting system work.Wherein cutting dress It sets including cutterhead and the blade being fixed in above-described embodiment on cutterhead 100.Mounting hole 22 is provided in vane body 110, intelligent grass-removing is equipped with fixing piece, and fixing piece wears mounting hole 22 and blade 100 is fixed on cutterhead.The concrete shape and quantity of blade can be depending on actual conditions, the quantity of blade can be several (including one), preferably at least two, at least two blades enclose on cutterhead, after two cutting parts 40 abrasion of one of blade 100, it can be with rotary head, so that other blades 100 on cutterhead cut vegetation, so that blade 100 is long using the time.Because intelligent grass-removing automatically walk and is mowed on meadow, when encountering barrier, detecting system may not detect or detect slow or misjudgment, lead to blade 100 at work, and the probability for colliding barrier increases, and blade is easy to damage.In the present invention, pass through the blade 100 being arranged in above-described embodiment on intelligent grass-removing, after intelligent grass-removing uses above-mentioned blade 100, since the wearability of blade 100 is good, it is able to extend the service life of blade 100, user's frequently more number of allowing blade replacement 100 is reduced, attachment cost is reduced, it is user-friendly.In other embodiments, grass trimmer may be hand-held grass trimmer or the Multi Role Aircraft with mowing function etc..Specifically, grass trimmer includes driving motor and the drive shaft for being connected to driving motor, cutterhead is installed on drive shaft to rotate under the drive of drive shaft, and then rotates with cutting blade 100.Driving motor revolving speed is too small, and kinetic energy is again inadequate, causes to mow of poor quality or can not mow, and driving motor revolving speed can not be too big, and revolving speed is too big, and kinetic energy is then too big, is unsatisfactory for safety requirement.In the present embodiment, it required to meet cut quality, control energy consumption and control kinetic energy etc., the range of speeds of driving motor is 2000rpm~7500rpm, preferably, the range of speeds of driving motor is 2800rpm~4000rpm, work piece is cut so as to drive 100 high-speed rotation of blade, guarantees certain cutting efficiency while guaranteeing 100 service life of blade.
Above-mentioned grass trimmer is equipped with blade 100 and cuts to work piece, reduces the use cost of the grass trimmer to bring convenience for user without more allowing blade replacement frequent due to breaks down in the case where guaranteeing certain cutting efficiency.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, combination not all possible to each technical characteristic in above-described embodiment is all described, however, as long as there is no contradiction in the combination of these technical features, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, and but it cannot be understood as the limitations to patent of invention range.It should be pointed out that for this For the those of ordinary skill in field, without departing from the inventive concept of the premise, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (25)

  1. A kind of blade on grass trimmer, the blade includes the cutting part for cutting and the vane body that is connected with the cutting part, it is characterized by: the cutting part is in the side or opposite two sides of the vane body, the edge of the cutting part is without cutting edge.
  2. Blade as described in claim 1, it is characterised in that: the blade linear velocity range is 13.6m/s~51m/s.
  3. Blade as claimed in claim 2, it is characterised in that: the blade linear velocity range is 19m/s~27m/s.
  4. Blade as described in claim 1, it is characterised in that: the thickness range of the cutting part is 0.2mm~1.2mm.
  5. Blade as claimed in claim 4, it is characterised in that: the thickness range of the cutting part is 0.3mm~0.6mm.
  6. Blade as claimed in claim 4, it is characterised in that: the length range of the cutting part is not less than 0.3mm.
  7. Blade as claimed in claim 6, it is characterised in that: the length range of the cutting part is not less than 0.5mm.
  8. Blade as claimed in claim 4, it is characterised in that: the thickness range of the vane body is 0.2mm~2mm.
  9. Blade as described in claim 1, it is characterised in that: the thickness of the cutting part is identical as the thickness of the vane body.
  10. Blade as claimed in claim 9, it is characterised in that: the cutting part and the thickness range of the vane body are 0.2mm~1.2mm.
  11. Blade as claimed in claim 10, it is characterised in that: the cutting part and the thickness range of the vane body are 0.3mm~0.6mm.
  12. Blade as described in claim 1, it is characterised in that: the cutting part includes the connecting end surface for the cutting end face of cutting and the connection cutting end face and the vane body, and the vane body includes the side perpendicular with the cutting end face.
  13. Blade as claimed in claim 12, it is characterised in that: the connecting end surface smoothly extends.
  14. Blade as claimed in claim 13, it is characterised in that: the connecting end surface is parallel to the side of the vane body.
  15. Blade as claimed in claim 13, it is characterised in that: the connecting end surface is directly extended to form along the plane where the side of the vane body.
  16. Blade as described in claim 1, it is characterised in that: the blade is in rectangle.
  17. Blade as described in claim 1, it is characterised in that: the blade with a thickness of 0.3mm.
  18. Blade as described in claim 1, it is characterised in that: the material of the blade is hard alloy or stainless steel.
  19. Blade as described in claim 1, it is characterised in that: the vane body offers mounting hole.
  20. A kind of grass trimmer, it is characterised in that: the grass trimmer includes the blade as described in claim 1 to 19 any one.
  21. Grass trimmer as claimed in claim 20, it is characterised in that: the grass trimmer includes the drive shaft of driving motor and the connection driving motor, and the blade rotates under the drive of the drive shaft, and the range of speeds of the driving motor is 2000rpm~7500rpm.
  22. Grass trimmer as claimed in claim 21, it is characterised in that: the range of speeds of the driving motor is 2800rpm~4000rpm.
  23. Grass trimmer as claimed in claim 21, it is characterized by: the grass trimmer is intelligent grass-removing, the intelligent grass-removing includes shell, running gear, diced system, detecting system and control system, and the diced system includes the cutterhead and the blade that is fixed on the cutterhead.
  24. Grass trimmer as claimed in claim 23, it is characterised in that: mounting hole is provided in the vane body, the grass trimmer is additionally provided with fixing piece, and the fixing piece passes through the mounting hole and the blade is fixed on the cutterhead.
  25. Grass trimmer as claimed in claim 23, it is characterised in that: the grass trimmer at least has there are two the blade, and the blade encloses on the cutterhead.
CN201780008819.4A 2016-09-27 2017-09-22 Grass trimmer and its blade Pending CN109819646A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201621084474.XU CN206196349U (en) 2016-09-27 2016-09-27 Without cutting edge blade and it is provided with the power tool without cutting edge blade
PCT/CN2017/102949 WO2018059323A1 (en) 2016-09-27 2017-09-22 Mowing machine and blade thereof

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Publication Number Publication Date
CN109819646A true CN109819646A (en) 2019-05-28

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CN201621084474.XU Active CN206196349U (en) 2016-09-27 2016-09-27 Without cutting edge blade and it is provided with the power tool without cutting edge blade
CN201780008819.4A Pending CN109819646A (en) 2016-09-27 2017-09-22 Grass trimmer and its blade

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WO (1) WO2018059323A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206196349U (en) * 2016-09-27 2017-05-31 苏州宝时得电动工具有限公司 Without cutting edge blade and it is provided with the power tool without cutting edge blade

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