CN201557418U - Trimming machine for gardening and blade component thereof - Google Patents

Trimming machine for gardening and blade component thereof Download PDF

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Publication number
CN201557418U
CN201557418U CN200920219530XU CN200920219530U CN201557418U CN 201557418 U CN201557418 U CN 201557418U CN 200920219530X U CN200920219530X U CN 200920219530XU CN 200920219530 U CN200920219530 U CN 200920219530U CN 201557418 U CN201557418 U CN 201557418U
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China
Prior art keywords
blade
shear
eccentric cam
pair
crankshaft component
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Expired - Fee Related
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CN200920219530XU
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Chinese (zh)
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中立英幸
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Makita Corp
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Makita Corp
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Abstract

The utility model provides a kind of trimmer for gardening and its blade assembly that the embedded hole for preventing shear-blade is deviate from from eccentric cam. Trimmer for gardening has: a pair of of shear-blade; Crankshaft component moves back and forth a pair of of shear-blade by rotation; And driving mechanism, rotate crankshaft component. The embedded hole for crankshaft component to be arranged is formed on each shear-blade. Crankshaft component includes a pair of of eccentric cam in the embedded hole for being entrenched in a pair of of shear-blade respectively; And it is located at the intermediate plate between a pair of of eccentric cam. In turn, it is at least formed on the eccentric cam of a side and clips the shear-blade flange opposed with intermediate plate.

Description

Gardening trimmer and blade assembly thereof
Technical field
The present invention relates to the hedgeclipper that in the pruning of hedgerow, uses or in the finishing on lawn, use gardening trimmer such as lawn mower.
Background technology
In patent documentation 1, disclose the gardening trimmer.This gardening possesses with trimmer: a pair of shear-blade; Crankshaft component, it moves back and forth a pair of shear-blade by rotation; And driving mechanism, it makes the crankshaft component rotation.On each shear-blade, be formed with the embedded hole that is used to set crankshaft component, on crankshaft component, be provided with a pair of eccentric cam in the embedded hole that is entrenched in a pair of shear-blade respectively.On each shear-blade, be provided with a plurality of blades, move back and forth by a pair of shear-blade and cut off vegetation along reciprocating direction.As disclosed in the patent documentation 1, at gardening with in the trimmer, known have make a pair of shear-blade with the reciprocating gardening of mode that slides with trimmer or make a pair of shear-blade with the reciprocating gardening of mode swung with trimmer etc.
Use in the trimmer at gardening, thereby the embedded hole that shear-blade takes place is sometimes deviate from the situation that shear-blade can't move from eccentric cam.Adopt the crankshaft component that on crankshaft component that is provided with intermediate plate between a pair of eccentric cam or outer peripheral face, is provided with flange at the gardening of patent documentation 1 in trimmer herein, at each eccentric cam.According to this crankshaft component, can prevent that the eccentric wear of shear-blade or eccentric cam from decreasing, can prevent that the embedded hole of shear-blade from deviating from from eccentric cam.
[patent documentation 1] Japanese kokai publication hei 09-172866 communique
In patent documentation 1 disclosed crankshaft component, the flange of eccentric cam or intermediate plate only are arranged on side's side of thickness of slab direction with respect to shear-blade.Thus, for example when when cutting off thicker branch under the situation that is applied with stronger external force on the shear-blade, the situation that the embedded hole of shear-blade is deviate from from eccentric cam can take place.
Summary of the invention
The present invention solves the above problems.The invention provides the gardening trimmer that a kind of embedded hole that can prevent shear-blade is reliably deviate from from eccentric cam.
The gardening of having specialized by the present invention possesses with trimmer: a pair of shear-blade; Crankshaft component, it moves back and forth a pair of shear-blade by rotation; And driving mechanism, it makes the crankshaft component rotation.On each shear-blade, be formed with the embedded hole that is used to set crankshaft component.Crankshaft component has: be entrenched in a pair of eccentric cam in the embedded hole of a pair of shear-blade respectively; And be located at intermediate plate between a pair of eccentric cam.And then, on a side eccentric cam, be formed with at least and clip shear-blade and the opposed flange of intermediate plate.
At this gardening with in trimmer, utilize intermediate plate and with the flange of the opposed eccentric cam of this intermediate plate sandwich shear-blade from the thickness of slab direction.According to this structure,, can prevent reliably that also the embedded hole of shear-blade from deviating from from eccentric cam even if shear-blade is being applied under the situation of stronger external force.
Preferred above-mentioned flange is formed on the both sides of a pair of eccentric cam.
According to this structure, can both prevent reliably that in any shear-blade embedded hole from deviating from from eccentric cam.
The complete cycle that preferred above-mentioned flange spreads all over eccentric cam forms.
According to this structure, regardless of the position of rotation of crankshaft component, in the position of shear-blade and eccentric cam butt, shear-blade is all the time by the flange and the intermediate plate clamping of eccentric cam.Thus, even if shear-blade is being applied under the situation of stronger external force, can prevent that also the embedded hole of shear-blade from deviating from from eccentric cam.And, compare with the situation that only forms flange in the part of outer peripheral face, form flange and more can make the shape of eccentric cam become simple to make easily thereby spread all over complete cycle.
On above-mentioned crankshaft component, preferably be provided with two pins at least in the position of leaving from its rotating shaft.In this case, preferably one of each pin distolateral part is connected on the driving mechanism.And then preferably the distolateral part of another of each pin has the threaded portion, and this threaded portion is fastening mutually with a pair of eccentric cam and the intermediate plate that is configured between a pair of eccentric cam.
In this structure, can utilize common means to realize the fastening of transmission of torque from the driving mechanism to the crankshaft component and a pair of eccentric cam and intermediate plate.Thus, make that the formation of crankshaft component is comparatively simple.And, utilize the threaded portion with a pair of eccentric cam and the fastening structure of intermediate plate if form, then with by welding or the structure that engages compare, assembling easily, yielding ability and maintainability raising and suppressed cost.
The rotating shaft that preferred above-mentioned intermediate plate forms with crankshaft component is the circular plate shape at center.In this case, preferably more than the size of the radius of this intermediate plate after the offset or dish from the rotating shaft of crankshaft component to the central shaft of eccentric cam adds the radius that is formed on the flange on the eccentric cam.
If intermediate plate is formed simple circular plate shape, then can simplify the structure of crankshaft component.At this moment, if the radius of intermediate plate forms the size that satisfies above-mentioned relation, then intermediate plate is opposed with the flange integral body that is formed on the eccentric cam reliably.Consequently, be connected to shear-blade on the eccentric cam by the flange and the intermediate plate clamping reliably of eccentric cam.
The present invention has also specialized in the mode that can load and unload and has been installed in gardening with the blade assembly on the trimmer.This blade assembly possesses: a pair of shear-blade; And crankshaft component, it rotates by the driving mechanism of gardening with trimmer, and by rotation a pair of shear-blade is moved back and forth.On each shear-blade, be formed with the embedded hole that is used to set crankshaft component.Crankshaft component has: be fastened on a pair of eccentric cam in the embedded hole of a pair of shear-blade respectively; And be located at intermediate plate between a pair of eccentric cam.And then, on a side eccentric cam, be formed with at least and clip shear-blade and the opposed flange of intermediate plate.
According to this blade assembly,, can prevent reliably that also the embedded hole of shear-blade from deviating from from eccentric cam even if shear-blade is being applied under the situation of stronger external force.
In above-mentioned blade assembly, what kind of preferred crankshaft component done with respect to a pair of shear-blade and relatively moved and relative rotation can be from a pair of shear-blade disengaging.
The blade assembly after gardening disassembles with trimmer, crankshaft component can freely move with respect to a pair of shear-blade, rotation.At this moment, in blade assembly in the past, the flange of eccentric cam or intermediate plate only are arranged on a side of shear-blade, can be from the structure of a pair of shear-blade disengaging thereby form crankshaft component.Thus, when blade assembly is installed in gardening with trimmer on the time, crankshaft component might come off from blade assembly.Relative therewith, in blade assembly involved in the present invention, owing to form the flange and the intermediate plate grip shears cutting edge of eccentric cam, and therefore crankshaft component can not can carry out for the installation exercise of gardening with trimmer simply from the structure of a pair of shear-blade disengaging.
Gardening according to the present invention is with trimmer or blade assembly, can prevent reliably that the embedded hole of shear-blade from deviating from from eccentric cam.
Description of drawings
Fig. 1 is the sectional view of the hedgeclipper of embodiment.
Fig. 2 amplifies the figure that represents with the II portion among Fig. 1.
Fig. 3 is the figure that the blade assembly after disassembling from main body is shown.
Fig. 4 decomposes the figure that represents with blade assembly.
Label declaration
10: hedgeclipper; 12: main body; 30: motor; 32: the output shaft of motor; 34: reduction gearing; 34a: pin insertion hole; 36: central shaft; 100: blade assembly; 110: the upside shear-blade; 114: the embedded hole of upside shear-blade; 120: the downside shear-blade; 124: the embedded hole of downside shear-blade; 130: the upside eccentric cam; 134: the flange of upside eccentric cam; 140: the downside eccentric cam; 144: the flange of downside eccentric cam; 150: intermediate plate; 160: the pin parts; 162: pin part; 164: threaded portion; 170: crankshaft component.
Embodiment
At first, list the main feature of the embodiment of following explanation.
(feature 1) is provided with embedded hole at its base end part on shear-blade.
The embedded hole of (feature 2) shear-blade forms oblong shape.The major diameter direction of this oblong shape is vertical with the reciprocating direction of shear-blade.
(feature 3) a pair of eccentric cam with respect to the rotating shaft of crankshaft component by to rightabout biasing each other.That is, a pair of eccentric cam is done the mode of eccentric rotation and is disposed to have 180 ° phase difference each other.
(feature 4) each cam and intermediate plate form circular plate shape.The radius of intermediate plate equals the size after adding the radius that is formed on the flange on the eccentric cam on the offset or dish of eccentric cam.
[embodiment]
Describe being used to implement embodiments of the invention with reference to accompanying drawing.Fig. 1 illustrates the outward appearance of the hedgeclipper 10 of present embodiment.Hedgeclipper 10 is the power tools that mainly use in the pruning of hedgerow, is that gardening is used a kind of of trimmer.
As shown in Figure 1, hedgeclipper 10 possesses main body 12 and the blade assembly 100 that is installed on the main body 12.Blade assembly 100 is fixed on the main body 12, and can load and unload with respect to main body 12.
Blade assembly 100 possesses a pair of shear-blade 110,120 and crankshaft component 170.Each shear-blade 110,120 is supported to and can slides, and moves back and forth by crankshaft component 170 rotations.On each shear-blade 110,120, be provided with a plurality of blades 118,128 (with reference to Fig. 3) along reciprocating direction, relatively move back and forth by a pair of shear-blade 110,120 and cut off branches and leaves.Structure about blade assembly 100 is explaining the back.
Main body 12 possesses housing 20.On housing 20, be provided with and be used to prevent that cut off machine from flying over chip protective plate 14 that comes and the front handlebar 16 and the main handle 22 of controlling for the user.On front handlebar 16 and mainboard hand 22, be provided with the console switch 18,24 that makes hedgeclipper 10 startings.Two console switch 18,24 link by linkage 28 in housing 20.
Be provided with motor 30, reduction gearing 34 and central shaft 36 in the inside of housing 20.Central shaft 36 supports reduction gearing 34 and crankshaft component 170 for rotating.Reduction gearing 34 engages with the output shaft 32 of motor 30, makes its rotation by motor 30.Reduction gearing 34 connects into and can not rotate relatively with crankshaft component 170, and reduction gearing 34 and crankshaft component 170 rotate integratedly.That is, the torque from motor 30 is delivered to crankshaft component 170 via reduction gearing 34.Like this, motor 30, reduction gearing 34 and central shaft 36 constitute the driving mechanism that makes crankshaft component 170 rotations.
Blade assembly 100 is located by a plurality of pins 101 in housing 20.The side wall supports of a plurality of pins 101 about by housing 20.Housing 20 can about decompose, become and can load and unload by decomposing housing 20 blade assemblies 100, be fixed on the housing 20 by assemble case 20 blade assemblies 100.
Fig. 2 represents the part amplification with label II indication of Fig. 1.Blade assembly 100 after Fig. 3 illustrates and disassembles from main body 12.Fig. 4 illustrates blade assembly 100 with decomposing state.Structure with reference to Fig. 2, Fig. 3, Fig. 4 blade assembly 100 is described in detail.
Blade assembly 100 mainly possesses: a pair of shear-blade 110,120; Last guide plate 102 and following guide plate 104, they remain a pair of shear-blade 110,120 can slide; And crankshaft component 170.
A pair of shear-blade 110,120 is made of upside shear-blade 110 and downside shear-blade 120.On the base end part 112 of upside shear-blade 110, be formed with embedded hole 114.Embedded hole 114 forms oblong shape, and its major diameter and upside shear-blade 110 reciprocating directions are vertically extended.Equally, on the base end part 122 of downside shear-blade 120, also be formed with embedded hole 124.Embedded hole 124 forms oblong shape, and its major diameter and downside shear-blade 120 reciprocating directions are vertically extended.
Crankshaft component 170 is provided in the embedded hole 114,124 of a pair of shear-blade 110,120.Crankshaft component 170 mainly is made of upside eccentric cam 130, downside eccentric cam 140, intermediate plate 150 and two pin parts 160.
Upside eccentric cam 130, downside eccentric cam 140 and intermediate plate 150 form roughly circular plate shape respectively.Upside eccentric cam 130 has identical diameter with downside eccentric cam 140.On the other hand, intermediate plate 150 has the also big diameter of diameter than upside eccentric cam 130 and downside eccentric cam 140.
Upside eccentric cam 130 be configured in intermediate plate 150 above, downside eccentric cam 140 be configured in intermediate plate 150 below.That is, crankshaft component 170 forms the three-layer structure that upside eccentric cam 130, intermediate plate 150 and downside eccentric cam 140 these three plectanes are overlapped.On crankshaft component 170, be formed with the pivot hole 176 of running through insertion for central shaft 36, thereby crankshaft component 170 is supported to rotating as rotating shaft with central shaft 36.
Two pin parts 160 extend in upper surface and the pivot hole 176 from upside eccentric cam 130 abreast in the position of leaving pivot hole 176.Two pin parts 160 are inserted among the pin insertion hole 34a that is provided with on the reduction gearing 34, thereby crankshaft component 170 is connected into and can not rotate relatively with reduction gearing 34.Structure about pin parts 160 explains in the back.
Upside eccentric cam 130 has the slightly little diameter of minor axis than the embedded hole 114 of upside shear-blade 110, and the gap and the embedded hole 114 of upside shear-blade 110 that have slightly are chimeric.As shown in Figure 4, in upside eccentric cam 130, pivot hole 176 is formed on the position (position of biasing) that the central shaft of relative circular plate shape leaves.Therefore, when crankshaft component 170 rotations, the 130 eccentric rotations of upside eccentric cam.Make upside shear-blade 110 move back and forth by the 130 eccentric rotations of upside eccentric cam in mode (along the left and right directions of Fig. 1, Fig. 2) with respect to main body 12 advance and retreat.
Downside eccentric cam 140 has the slightly little diameter of minor axis than the embedded hole 124 of downside shear-blade 120, and the gap and the embedded hole 124 of downside shear-blade 120 that have slightly are chimeric.As shown in Figure 4, in downside eccentric cam 140, pivot hole 176 is formed on the position (position of biasing) that the central shaft of relative circular plate shape leaves.Therefore, when crankshaft component 170 rotations, the 140 eccentric rotations of downside eccentric cam.Make downside shear-blade 120 move back and forth by the 140 eccentric rotations of downside eccentric cam in mode (along the left and right directions of Fig. 1, Fig. 2) with respect to main body 12 advance and retreat.
Herein, in upside eccentric cam 130 and downside eccentric cam 140, pivot hole 175 is biased in rightabout.Thus, upside eccentric cam 130 and downside eccentric cam 140 have each other 180 ° phase difference and do eccentric rotation.Consequently, upside shear-blade 110 and downside shear-blade 120 have each other that 180 ° phase difference moves reciprocatingly.That is, upside shear-blade 110 advance with respect to main body 12 during in, downside shear-blade 120 retreats with respect to main body, upside shear-blade 110 retreat with respect to main body 12 during in, downside shear-blade 120 advances with respect to main body 12.
On the outer peripheral face of above-mentioned eccentric cam 130, be formed with flange 134.Flange 134 is positioned at the upper end of upside eccentric cam 130, and spreads all over the complete cycle formation of upside eccentric cam 130.The diameter of flange 134 is bigger than the minor axis of the embedded hole 114 of upside shear-blade 110, and the part of flange 134 is stretched out above the base end part 112 of upside shear-blade 110.Flange 134 is present in the top of the base end part 112 of upside shear-blade 110, makes the base end part 112 of upside shear-blade 110 be under an embargo towards the mobile of top, can prevent that embedded hole 114 from deviating from from upside eccentric cam 130.
Equally, on the outer peripheral face of downside eccentric cam 140, be formed with flange 144.Flange 144 is positioned at the lower end of downside eccentric cam 140, and spreads all over the complete cycle formation of downside eccentric cam 140.The diameter of flange 144 is bigger than the minor axis of the embedded hole 124 of downside shear-blade 120, and the part of flange 144 is stretched out below the base end part 122 of downside shear-blade 120.Flange 144 is present in the below of the base end part 122 of downside shear-blade 120, makes the base end part 122 of downside shear-blade 120 be under an embargo towards the mobile of below, can prevent that embedded hole 124 from deviating from from downside eccentric cam 140.
Intermediate plate 150 is bigger than upside eccentric cam 130 and downside eccentric cam 140, and is installed between the base end part 122 of the base end part 112 of upside shear-blade 110 and downside shear-blade 120.Intermediate plate 150 is present in the below of the base end part 112 of upside shear-blade 110, makes the base end part 112 of upside shear-blade 110 be under an embargo towards the mobile of below, can prevent that the embedded hole 114 of upside shear-blade 110 from deviating from from upside eccentric cam 130.And intermediate plate 150 is present in the top of the base end part 122 of downside shear-blade 120, makes the base end part 122 of downside shear-blade 120 be under an embargo towards the mobile of top, can prevent that the embedded hole 124 of downside shear-blade 120 from deviating from from downside eccentric cam 140.
As mentioned above, in the blade assembly 100 of present embodiment, intermediate 150 is located between a pair of eccentric cam 130,140, and is further, is formed with to clip shear-blade 110,120 and intermediate plate 150 opposed flanges 134,144 on each eccentric cam 130,140.According to this structure, utilize the base end part 112,122 of the flange 134,144 of intermediate plate 150 and eccentric cam opposed 130,140 from the both sides maintenance shear-blade 110,120 of thickness of slab direction with it.According to this structure,, can prevent reliably that also the embedded hole 114,124 of shear-blade 110,120 from deviating from from eccentric cam 130,140 even if on shear-blade 110,120, be applied with under the situation of stronger external force.
The blade assembly 100 of the state after main body 12 disassembles (with reference to Fig. 3), crankshaft component 170 can freely move with respect to a pair of shear-blade, rotation.At this moment, in the blade assembly 100 of present embodiment, no matter how crankshaft component 170 relatively moves and relative rotation with respect to a pair of shear-blade 110,120, can both utilize the flange 134,144 of eccentric cam 130,140 and intermediate 150 to prevent that crankshaft component 170 breaks away from from a pair of shear-blade 110,120.Therefore, when main body 12 disassembled, crankshaft component 170 can not come off from blade assembly 100 when being installed in blade assembly 100 on the main body 12 or with blade assembly 100.The user can change the operation of blade assembly 100 simply.
Herein, the relation to the size of a pair of eccentric cam 130,140 and intermediate plate 150 describes.The radius of intermediate plate 150 equals the size behind the radius of the flange 134 that adds upside eccentric cam 130 on the offset or dish of upside eccentric cam 130.Further, the radius of intermediate plate 150 also equals the size behind the radius of the flange 144 that adds upper and lower sides eccentric cam 140 on the offset or dish of downside eccentric cam 140.Herein, the offset or dish of so-called upside eccentric cam 130 means that rotating shaft (being the central shaft in pivot hole 176) from crankshaft component 170 is to the distance of the central shaft of the circular plate shape of upside eccentric cam 130.Equally, the offset or dish of so-called downside eccentric cam 140 means the distance from the rotating shaft of crankshaft component 170 to the central shaft of the circular plate shape of downside eccentric cam 140.Promptly, when when the rotating shaft of crankshaft component 170 is overlooked crankshaft component 170, the outer peripheral edges of the flange 134 of upside eccentric cam 130 become the position relation with the outer peripheral edges inscribe of intermediate plate 150, and the outer peripheral edges of the flange 144 of downside eccentric cam 140 become the position relation with the outer peripheral edges inscribe of intermediate plate 150.
According to the relation of above-mentioned size, intermediate plate 150 form with the whole opposed of the flange 134 of upside eccentric cam 130 and with the whole opposed structure of the flange 144 of downside eccentric cam 140.According to this structure, the base end part 112,122 of shear-blade 110,120 is embedded in the groove that is formed by flange 134,144 and intermediate plate 150 reliably, can prevent reliably that the embedded hole 114,124 of shear-blade 110,120 from deviating from from eccentric cam 130,140.
In addition, the radius of intermediate plate 150 is preferably formed to also bigger than the size behind the radius of the flange 134 that adds upside eccentric cam 130 on the offset or dish of upside eccentric cam 130.According to this structure, intermediate plate 150 also be formed on the whole opposed of flange 134 on the upside eccentric cam 130.Equally, the radius of intermediate plate 150 is preferably formed to also bigger than the size behind the radius of the flange 144 that adds upper and lower sides eccentric cam 140 on the offset or dish of downside eccentric cam 140.According to this structure, intermediate plate 150 also be formed on the whole opposed of flange 144 on the downside eccentric cam 140.
Secondly, the structure to pin parts 160 describes.Each pin parts 160 have pin part 162 that is positioned at upper end side and the threaded portion 164 that is positioned at lower end side.Pin part 162 from upside eccentric cam 130 towards the top and the rotating shaft of crankshaft component 170 extend abreast, and insert among the pin insertion hole 34a of reduction gearing 34.Threaded portion 164 forms and is similar to the shape of hex bolts, and is screwed in the fastener hole 178 that forms on the crankshaft component 170.Thus, upside eccentric cam 130, intermediate plate 150 and downside eccentric cam 140 are fastened mutually in the thickness of slab direction by threaded portion 164.In addition, in the fastener hole 178 on being formed on crankshaft component 170, only on the part that is formed at downside eccentric cam 140, be formed with internal thread.Like this, two pin parts 160 connect into reduction gearing 34 can not rotate relatively with crankshaft components 170, and a pair of eccentric cam 130,140 and intermediate plate 150 is fastening mutually.Since reduction gearing 34 and crankshaft component 170 be connected and the fastening common pin parts 160 that all utilize of a pair of eccentric cam 130,140 and intermediate plate 150 are realized, so the structure of crankshaft component 170 becomes fairly simple.
And, when the structure that forms by threaded portion 164 fastening a pair of eccentric cams 130,140 and intermediate plate 150, and compare by welding or the structure that engages, assembling easily, yielding ability and maintainability raising and suppressed cost.And, between eccentric cam 130,140 and intermediate plate 150, do not form the gap, can prevent the situation that the embedded hole 114,124 of shear-blade 110,120 is deviate from from eccentric cam 130,140 reliably.
More than embodiments of the present invention are had been described in detail, but these explanations example does not only limit claims.Comprise in the technology of in claims, putting down in writing to the above concrete example that illustrates for example be out of shape, after changing technology.
For example, be illustrated having implemented hedgeclipper 10 of the present invention in the above description, but the technology that has illustrated in the present embodiment also can be applied in the gardening of other kinds such as lawn mower with in the trimmer.
And, the hedgeclipper 10 of present embodiment is a pair of shear-blade 110,120 with the gardening trimmer of the reciprocating type of mode (straight line) of sliding, but the technology that has illustrated in the present embodiment also can be applied in the gardening usefulness trimmer of a pair of shear-blade with the reciprocating type of mode of swing.
The technology essential factor that has illustrated in this specification or accompanying drawing can be brought into play technical serviceability, the combination of putting down in writing in the claim when being not limited to apply for individually or by various combinations.Reach a plurality of purposes simultaneously at this specification or the accompanying drawing technology shown in the example of passing the imperial examinations at the provincial level, reach the serviceability of one of them purpose on also possessing skills itself.

Claims (7)

1. a gardening trimmer is characterized in that,
Described gardening possesses with trimmer:
A pair of shear-blade;
Crankshaft component, it moves back and forth a pair of shear-blade by rotation; And
Driving mechanism, it makes the crankshaft component rotation,
On each shear-blade, be formed with the embedded hole that is used to set crankshaft component,
Crankshaft component has: be entrenched in a pair of eccentric cam in the embedded hole of a pair of shear-blade respectively; And be located at intermediate plate between a pair of eccentric cam,
At least on a side eccentric cam, be formed with clip shear-blade and with the opposed flange of intermediate plate.
2. gardening trimmer according to claim 1 is characterized in that,
Described flange is formed on the both sides of a pair of eccentric cam.
3. gardening trimmer according to claim 1 and 2 is characterized in that,
The complete cycle that described flange spreads all over eccentric cam forms.
4. according to each the described gardening trimmer in the claim 1 to 3, it is characterized in that,
On described crankshaft component, be provided with two pins at least in the position of leaving from its rotating shaft,
One distolateral part of each pin is connected on the driving mechanism,
The distolateral part of another of each pin has the threaded portion, and described threaded portion is fastening mutually with a pair of eccentric cam and the intermediate plate that is configured between a pair of eccentric cam.
5. according to each the described gardening trimmer in the claim 1 to 4, it is characterized in that,
The rotating shaft that described intermediate plate forms with crankshaft component is the circular plate shape at center,
The radius of this intermediate plate is more than the size after the offset or dish from the rotating shaft of crankshaft component to the central shaft of eccentric cam adds the radius that is formed on the flange on the eccentric cam.
6. the blade assembly that gardening is used with trimmer is characterized in that,
Described blade assembly possesses:
A pair of shear-blade; And
Crankshaft component, it rotates by the driving mechanism of gardening with trimmer, and by rotation a pair of shear-blade is moved back and forth,
On each shear-blade, be formed with the embedded hole that is used to set crankshaft component,
Crankshaft component has: be fastened on a pair of eccentric cam in the embedded hole of a pair of shear-blade respectively; And be located at intermediate plate between a pair of eccentric cam,
At least on a side eccentric cam, be formed with clip shear-blade and with the opposed flange of intermediate plate.
7. blade assembly according to claim 6 is characterized in that,
What kind of described crankshaft component done with respect to a pair of shear-blade and relatively moved and can not break away from from a pair of shear-blade with relative rotation.
CN200920219530XU 2009-01-08 2009-10-14 Trimming machine for gardening and blade component thereof Expired - Fee Related CN201557418U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-002912 2009-01-08
JP2009002912A JP2010158205A (en) 2009-01-08 2009-01-08 Gardening clipper and blade assembly of the same

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Publication Number Publication Date
CN201557418U true CN201557418U (en) 2010-08-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108551834A (en) * 2018-06-12 2018-09-21 江苏省农业科学院 A kind of reciprocating knife device
CN110121257A (en) * 2016-12-27 2019-08-13 本田技研工业株式会社 Cutting blade and grass trimmer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5995558B2 (en) * 2012-07-04 2016-09-21 株式会社マキタ Gardening hair clipper
JP7296819B2 (en) * 2019-08-08 2023-06-23 株式会社マキタ garden trimmer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110121257A (en) * 2016-12-27 2019-08-13 本田技研工业株式会社 Cutting blade and grass trimmer
CN108551834A (en) * 2018-06-12 2018-09-21 江苏省农业科学院 A kind of reciprocating knife device

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JP2010158205A (en) 2010-07-22
TWI369178B (en) 2012-08-01
TW201026221A (en) 2010-07-16

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