CN105519309B - Grass-mowing machine - Google Patents
Grass-mowing machine Download PDFInfo
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- CN105519309B CN105519309B CN201410511083.0A CN201410511083A CN105519309B CN 105519309 B CN105519309 B CN 105519309B CN 201410511083 A CN201410511083 A CN 201410511083A CN 105519309 B CN105519309 B CN 105519309B
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- trigger
- master control
- speed
- speed governing
- grass
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Abstract
The invention discloses a kind of grass-mowing machine, including：Main frame and device of beating the grass, main frame include：Operation device and power supply, device of beating the grass include：Motor and component of beating the grass, provided with the power supply circuit for making power supply be powered for motor between power supply and motor；Operation device includes：The control handle that can be operated；Control handle includes：Handle housing, master switch, speed-regulating switch, master control trigger, speed governing trigger；Master switch can control whether power supply circuit turns on；Speed-regulating switch can control motor speed when power supply circuit is turned on；Master control trigger is used to control master switch；Speed governing trigger is used to control speed-regulating switch.Grass-mowing machine cost of the invention is low, reliability is high, security performance is high.
Description
Technical field
Beaten the grass device the present invention relates to one kind, and in particular to a kind of grass-mowing machine controlled with biswitch.
Background technology
In horticultural field, the use of grass-mowing machine is almost essential.Wherein the grass-mowing machine of hand-held is relative to body
The desk-top grass-mowing machine that product is big, weight is stupid more enjoys the favor of people.And for output power, high pressure（56V）Direct current is beaten the grass
Machine, and grass-mowing machine has also needed to speed-regulating function, then needs the dc switch of the great high-voltage great-current of ability to bear, its safety
Property can not be protected, and price is costly.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of cost is low, reliability is high, safe beat
Careless machine.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of grass-mowing machine, including：Main frame and device of beating the grass, main frame include：Operation device and power supply, device of beating the grass include：
Motor and by motor-driven component of beating the grass, provided with making power supply be the power supply circuit that motor is powered between power supply and motor；
Operation device includes：The control handle that can be operated；
Control handle includes：
Handle housing；
Master switch, can control whether power supply circuit turns on；
Speed-regulating switch, can control motor speed when power supply circuit is turned on；
Master control trigger, for controlling master switch；
Speed governing trigger, for controlling speed-regulating switch；
Wherein, master switch and speed-regulating switch are contained in handle housing, master control trigger and the equal partial receipt of speed governing trigger
Constitute in handle housing and with handle housing and be flexibly connected, master control trigger at least has during activity makes master switch
Turn on the conduction position of power supply circuit and make the off-position of master switch cut-out power supply circuit；Process of the speed governing trigger in activity
In at least have make speed-regulating switch controlled motor be in zero rotary regimes zero speed position and be in speed-regulating switch controlled motor
The very fast position of most fast state.
Further, master control trigger in off-position backstop speed governing trigger by zero speed position to very fast position motion
On path, when master control trigger leaves off-position, speed governing trigger could be moved to very fast position from zero speed position.
Further, the mode being flexibly connected constituted between master control trigger and speed governing trigger and handle housing is the company of rotation
Connect, master control trigger locks speed governing trigger at least in off-position and is at zero speed position or compared to zero speed position further from pole
One position of fast position.
Further, speed governing trigger at least when master control trigger is on position between zero speed position and very fast position
Rotate.
Further, master control trigger includes：
That at least backstop speed governing trigger is rotated from zero speed position to very fast position when master control trigger is in off-position
One stopper section；
Speed governing trigger includes：
The second stopper section at least coordinated when master control trigger is in off-position with the first stopper section.
Further, the first stopper section is formed with a backstop groove；
Wherein, when coordinating in the first stopper section and the second stopper section, at least partially embedded backstop groove in the second stopper section and
By the backstop power of backstop groove, and the first stopper section is by anti-backstop power, anti-backstop power for backstop power reaction force and its phase
The torque that rotating shaft to master control trigger is produced is less than the torque needed for now master control trigger rotation.
Further, master control trigger includes：
Fuehrungsstange, is arranged on inside handle housing and the first stopper section of its one end formation；
Master control central siphon, is arranged on inside handle housing and is connected with the other end of Fuehrungsstange；
Master control trigger piece, the outside and one end for being at least partially disposed in handle housing is connected with master control central siphon；
Master control jack-post is provided with handle housing, master axis pipe sleeve is on master control jack-post；
Speed governing trigger includes：
Speed-regulating arm, is arranged on inside handle housing and the second stopper section of its one end formation；
Speed governing central siphon, is arranged on inside handle housing and is connected with the other end of speed-regulating arm；
Speed governing trigger piece, the outside and one end for being at least partially disposed in handle housing is connected with speed governing central siphon；
Speed governing jack-post is provided with handle housing, speed governing central siphon is enclosed on speed governing jack-post.
Further, the one end of master control trigger piece away from master control central siphon is pulled to the distance of master axis tube hub axis more than speed governing
Distance of the one end of handle away from speed governing central siphon to speed governing central siphon central axis.
Further, handle housing includes：
Spacing speed governing trigger is located at or the not limit rib further away from zero speed position.
Further, handle housing includes：
For the handle portion of gripping,
Accommodate the resettlement section of master switch and speed-regulating switch；
Master control trigger and speed governing trigger expose the part of handle housing respectively positioned at the both sides of handle portion.
Further, at least when master control trigger is in off-position backstop speed governing trigger from zero speed position to very fast position
The first stopper section rotated；
Speed governing trigger includes：
The second stopper section at least coordinated when master control trigger is in off-position with the first stopper section；
Master control trigger includes：
Fuehrungsstange, is arranged on inside handle housing and the first stopper section of its one end formation；
Master control central siphon, is arranged on inside handle housing and is connected with the other end of Fuehrungsstange；
Master control trigger piece, the outside and one end for being at least partially disposed in handle housing is connected with master control central siphon；
Master control jack-post is provided with handle housing, master axis pipe sleeve is on master control jack-post；
Speed governing trigger includes：
Speed-regulating arm, is arranged on inside handle housing and the second stopper section of its one end formation；
Speed governing central siphon, is arranged on inside handle housing and is connected with the other end of speed-regulating arm；
Speed governing trigger piece, the outside and one end for being at least partially disposed in handle housing is connected with speed governing central siphon；
Speed governing jack-post is provided with handle housing, speed governing central siphon is enclosed on speed governing jack-post；
Master control jack-post and speed governing jack-post are arranged in resettlement section；
Master control trigger piece is relatively distant from the free end of master control central siphon when master control trigger turns to conduction position by off-position
Handle portion is moved closer to from the side of handle portion；
Speed governing trigger piece is relatively distant from the free end of speed governing central siphon when speed governing trigger turns to very fast position by zero speed position
Handle portion is moved closer to from the opposite side of handle portion.
The present invention is advantageous in that：Controlled respectively by master control trigger and speed governing trigger in the operation device of the present invention
The conducting of power supply circuit and motor speed, using the form of double trigger, greatly reduce the structure and material of switch, reduce into
This；And the implementation controlled respectively using double trigger can also improve the reliability and security performance of control.
Brief description of the drawings
Fig. 1 show the schematic perspective view of the grass-mowing machine of first embodiment of the invention；
Fig. 2 show the side view of the grass-mowing machine in Fig. 1；
Fig. 3 show the internal structure schematic diagram of the control handle in Fig. 1；
Fig. 4 show the part-structure schematic diagram of the control handle in Fig. 3, now, and master control trigger is in off-position, adjusts
Fast trigger is in zero speed position；
Fig. 5 show the part-structure schematic diagram of the control handle in Fig. 3, now, and master control trigger is on position, adjusts
Fast trigger is in very fast position；
Fig. 6 show the structural representation of the regulation handle in Fig. 1；
Fig. 7 show the structural representation of the handle body in the regulation handle in Fig. 6；
Fig. 8 show the sectional view of the a-quadrant in Fig. 6；
Fig. 9 show the structural representation of the stop part in Fig. 6；
Figure 10 show the structural representation of the connection component in Fig. 1；
Figure 11 show the enlarged diagram in the B regions in Figure 10；
Figure 12 show the explosive view of the device of beating the grass in Fig. 1；
Figure 13 show the enlarged diagram of the casing in Figure 12；
Figure 14 show the side view of the casing in Figure 12；
Figure 15 show the structural representation of the brushless electric machine in Figure 12；
Figure 16 show the sectional view of the brushless electric machine in Figure 15；
Figure 17 show the schematic perspective view of the anti-tangle lid in Figure 12；
Figure 18 show the structural representation of the connection component in the grass-mowing machine of second embodiment of the invention, and now first connects
Bar and second connecting rod are located along the same line；
Figure 19 show the structural representation of the another state of the connection component in Figure 18, and now first connecting rod and second connects
Bar is not on the same line；
The structural representation of connection component in the grass-mowing machine of third embodiment of the invention shown in Figure 20, now first connecting rod
It is located along the same line with second connecting rod；
Figure 21 show the structural representation of the another state of the connection component in Figure 20, and now first connecting rod and second connects
Bar is not on the same line；
Figure 22 show the structural representation of the connection component in the grass-mowing machine of fourth embodiment of the invention, and now first connects
Adapter and the second connecting tube are located along the same line；
Figure 23 show the structural representation of the another state of the connection component in Figure 22, now the first connecting tube and second
Connecting tube is not on the same line；
Figure 24 show the explosive view of the connection component in Figure 22.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
The present invention proposes a kind of grass-mowing machine, and the grass-mowing machine can readily find equalization point in bimanualness, use
It is quite laborsaving.Fig. 1 to Figure 24 is refer to, grass-mowing machine 100 of the invention includes：Main frame 1, device 2 of beating the grass, connection and are beaten main frame 1
The first connector 3 and regulation handle 4 of careless device 2, wherein main frame 1 include：Operation device 10 and power source（Figure is not marked）,
Device 2 of beating the grass includes motor（Figure is not marked）With component of beating the grass（Figure is not marked）, in the present embodiment, the power source is power supply, motor
For motor.Technical scheme, especially makes defined below for convenience of explanation：Define the first connector 3 connection main frame 1
One end be rear end, connection beat the grass device 2 one end be front end, this definition be not intended as limit the scope of the present invention.
Main frame 1 is located at the rear end of grass-mowing machine 100, and wherein power supply is used to provide power resources to grass-mowing machine 100, and the power supply can
Think battery bag, battery bag is mounted at the rear end of grass-mowing machine 100.It should be understood that the power supply can also be to be connected to
Alternating current in utility grid.Operation device 10 is used to control whether power source provides power resources for motor, and it includes：It can be grasped
The control handle of work（Figure is not marked）, one is additionally provided with the present embodiment, between power supply and motor makes what power supply was powered for motor
Power supply circuit.
Control handle includes：Handle housing 11, master switch 12, speed-regulating switch 13, master control trigger 14, speed governing trigger 15.
Handle housing 11 includes：Handle portion 111 and resettlement section 112, handle portion 111 and resettlement section 112 are respectively positioned at handle housing 11
Two ends, handle portion 111 is gripped as the main handle supply operating personnel of grass-mowing machine 100；It is respectively formed with resettlement section 112 and master
The master control jack-post 112a of the control connection of trigger 14, the speed governing jack-post 112b being connected with speed governing trigger 15.
Master switch 12 is used to control whether power supply circuit turns on, and it is contained in the resettlement section 112 of handle housing 11；Adjust
Speed switch 13 can when power supply circuit is turned on controlled motor rotating speed, it is also housed by the resettlement section 112 of handle housing 11.
Master control trigger 14 is used to control master switch 12, and speed governing trigger 15 is used to control speed-regulating switch 13.Master control trigger 14
With the equal partial receipt of speed governing trigger 15 in handle housing 11, and it is flexibly connected respectively with the composition of handle housing 11, it is possible to understand that
, the flexible connection that master control trigger 14, speed governing trigger 15 are constituted with handle housing 11 respectively can rotate be connected, be slidably connected
Or the composite joint mode of reciprocal connection or many of connected mode, as long as make master control trigger 14, speed governing trigger 15
The connected mode that can switch between the two positions, is preferably to rotate connection here.Master control trigger 14 is in rotation process
In have conduction position and off-position, when positioned at conduction position, can make master switch 12 control power supply circuit be in lead
Logical state；When positioned at off-position, master switch 12 can be made to control power supply circuit to be in dissengaged positions.Speed governing trigger 15 exists
There is zero speed position and very fast position during rotation, when positioned at zero speed position, the controlled motor of speed-regulating switch 13 can be made
In zero rotary regimes；When positioned at very fast position, the controlled motor of speed-regulating switch 13 can be made to be in most fast state.Master control is pulled
Machine 14 in off-position backstop in speed governing trigger 15 on the motion path of zero speed position to very fast position, in master control trigger 14
Speed governing trigger 15 could be moved to very fast position from zero speed position when leaving off-position, that is to say to be in master control trigger 14 and cut
During disconnected position, speed governing trigger 15 can be locked and be at zero speed position, or be at comparing zero speed position further from pole
One position of fast position；And when master control trigger 14 is on position, speed governing trigger 15 then can be in zero speed position and pole
Rotated between fast position, so that master control trigger 14 and speed governing trigger 15 have the relation of a successively action, so that only
In the case where master control trigger 14 is first acted, speed governing trigger 15 could be acted, it is ensured that security.Therefore, operation of the invention
Power supply circuit and motor speed are controlled by master control trigger 14 and speed governing trigger 15 respectively in device 10, using the shape of double trigger
Formula, greatly reduces the structure and material of switch, so as to reduce cost.
Specifically, master control trigger 14 includes：Spindle arm 141, master control central siphon 142, master control trigger piece 143, spindle arm 141, master
Control central siphon 142 to be located in the resettlement section 112 of handle housing 11, the part of master control trigger piece 143 is located in handle housing 11, master control central siphon
Spindle arm 141 and master control trigger piece 143 are connected as an entirety by 142.One end of the remote master control central siphon 142 of spindle arm 141 can
Contacted with master switch 12, and one first stopper section 144 is also formed on the end, first stopper section 144 is used to work as
Backstop speed governing trigger 15 is rotated from zero speed position to very fast position when master control trigger 14 is in off-position.142 sets of master control central siphon
On master control jack-post 112a in resettlement section 112, and it can be circumferentially rotated on master control jack-post 112a.The phase of master control trigger piece 143
It is located at the outside of handle housing 11 to one end away from master control central siphon 142, is operated for human hand, and it is relatively distant from master axis
The free end of pipe 142 moves closer to handle portion when master control trigger 14 turns to conduction position by off-position from the side of handle
111.In the present embodiment, a bias master control trigger 14 is also included in control handle and makes it have what trend off-position was rotated
Biased element 16, the biased element 16 is helical spring, and the spindle arm 141 of master control trigger 14 is fixed in one end of helical spring
On, the other end props up handle housing 11.
Speed governing trigger 15 includes：Speed-regulating arm 151, speed governing central siphon 152, speed governing trigger piece 153, speed-regulating arm 151, speed governing central siphon
152 be located at handle housing 11 resettlement section 112 in, the part of speed governing trigger piece 153 be located at handle housing 11 in, speed governing central siphon 152 will
Speed-regulating arm 151 and speed governing trigger piece 153 are connected as an entirety.The one end of speed-regulating arm 151 away from speed governing central siphon 152 can be opened with speed governing
13 are closed to contact, and the second stopper section 154 that formation one and the first stopper section 144 coordinate on the end, the first stopper section 144
One backstop groove 144a of upper formation, when the first stopper section 144 and the cooperation of the second stopper section 154, the second stopper section 154 is partially submerged into
Into backstop groove 144a and by backstop groove 144a backstop power, meanwhile, the first stopper section 144 is by the second stopper section 154
Anti- backstop power, the anti-backstop power and backstop power are a pair of interaction forces, and the anti-backstop power is with respect to turn of master control trigger 14
The torque that axle is produced is less than now master control trigger 14 and rotates required torque, so that when master control trigger 14 is in off-position,
Being capable of relative locking speed governing trigger 15.Speed governing central siphon 152 is sheathed on the speed governing jack-post 112b in resettlement section 112, and can be
Circumferentially rotated on speed governing jack-post 112b.One end that speed governing trigger piece 153 is relatively distant from speed governing central siphon 152 is located at the outer of handle housing 11
Side, is operated for human hand, and its free end for being relatively distant from speed governing central siphon 152 is turned in speed governing trigger 15 by zero speed position
During very fast position handle portion 111 is moved closer to from the opposite side of handle.
Preferably, master control trigger 14 and speed governing trigger 15 expose the part of handle housing 11 respectively positioned at handle portion
111 both sides, so just can simultaneously operate master control trigger 14 and speed governing trigger 15 with a hand.
Preferably, central axis of the one end of master control trigger piece 143 away from master control central siphon 142 to master control central siphon 142
Distance be more than the one end of speed governing trigger piece 153 away from speed governing central siphon 152 to the central axis of speed governing central siphon 152 distance, so
It is more conform with human hand design, any operation.
Preferably, a limit rib 113 is also formed in handle housing 11, the limit rib 113 can limit speed governing
Trigger 15, makes speed governing trigger 15 be located at zero speed position or not further away from zero speed position, in other words, when master control trigger 14 is located at
During off-position, enable to speed governing trigger 15 to be limited to zero speed position, the opposite direction close to very fast position is not re-directed towards and is moved.
Preferably, the first stop surface 144b, the second stopper section 154 are additionally provided with the first stopper section 144 to be provided with
The the second stop surface 154a coordinated with the first stop surface 144b.When speed governing trigger 15 is in very fast position or in zero speed position
When between very fast position, second stop surface 154a can prop up the first stop surface 144b all the time so that master control trigger 14 is locked
In conduction position；And when speed governing trigger 15 is in zero speed position, second stop surface 154a departs from the first stop surface 144b, release
Put master control trigger 14.So, effect of the master control trigger 14 by backstop groove 144a to the second stopper section 154 so that master control trigger
14 lock speed governing trigger 15 when being in off-position, so that only when master control trigger 14 first triggers the conducting power supply electricity of master switch 12
Lu Shi, could cause speed governing trigger 15 to trigger speed-regulating switch 13 and carry out speed governing；And speed-regulating switch 13 passes through the second stop surface 154a
Effect to the first stop surface 144b so that the triggering speed-regulating switch 13 of speed governing trigger 15 is in very fast position or non-zero speed position
When, master control trigger 14 is locked in conduction position, until when speed governing trigger 15 returns to zero speed position, master control trigger 14 could be released
It is put back into off-position.It therefore, it can the interlocking structure by master control trigger 14 and speed governing trigger 15 so that power supply order meets
The break-make order of electric current, protects user.
First connector 3 is located between main frame 1 and device 2 of beating the grass, for main frame 1 and device 2 of beating the grass to be connected into one
It is overall.Specifically, the first connector 3 is a metallic rod extended along first straight line L directions, the metallic rod is inner hollow knot
Structure, so that the connecting line that power supply and motor are electrically connected is passed through inside metallic rod, such better appearance, and
Security performance can be improved.
Regulation handle 4 is used for auxiliary handle when using grass-mowing machine 100 as operating personnel, so larger for weight
Or the grass-mowing machine 100 of longer dimension, it can realize that the both hands of operating personnel grip the different parts of grass-mowing machine 100 respectively,
Than relatively labor-saving.In the present embodiment, regulation handle 4 is arranged on the first connector 3, and being capable of prolonging along the first connector 3
Direction movement is stretched, constitutes and is slidably connected between the first connector 3, in other words, regulation handle 4 can be on the first connector 3
Slided along first straight line L direction.
Specifically, regulation handle 4 includes：Handle body（Figure is not marked）And locked component（Figure is not marked）, wherein, locked component
For the position of locking or release handle body on the first connector 3.
Handle body includes：Grip frame 41 and clamping part 42, wherein grip frame 41 and clamping part 42 are integrally formed.Grip frame
41 are " recessed " character form structure, " recessed " grip frame 41 of character form structure includes for this：Concave part 411, the employment hand caved inward is held
Grip part 412 and the connecting portion 413 between grip part 412 and concave part 411, the remote grip part of concave part 411
412 side is used for stationary gripping part 42, and connecting portion 413 is used to connect grip part 412 and clamping part 42.In the present embodiment,
In grip part 412 and the no longer same plane of concave part 411, in other words connecting portion 413 is tilted with first straight line L and intersected（Such as Fig. 2
It is shown）, arm stretches freely without bending when such human hand holds grip part 412, pleasant.
Clamping part 42 is connected with locked component and the first connector 3, for clamping the first connector 3, and it is located at grip frame
In 41 concave part 411.Clamping part 42 includes a clamping slot 421, and clamping slot 421 is located at the outside of grip frame 41.Clamping slot
421 be "U" shaped structure, for cause the first connector 3 along first straight line L directions pass through the clamping slot 421.
Locked component includes：Locking piece, cage knob 44, the second connector 45 and stop part 46, wherein locking piece can be unlocked
Or locked hand body, specially one switch knob 43 between the connector 3 of grip part 412 and first, the second connection
Part 45 is used to connect switch knob 43 and cage knob 44.Second connector 45 passes through the both sides of the opening portion of the "U" shaped of clamping slot 421,
The inside of grip frame 41 is extend into along one end perpendicular to the extension of first straight line L second straight line M directions, the second connector 45 simultaneously
And be fixedly connected with switch knob 43, the other end is the end of thread, and the end of thread stretches out clamping part 42, can be threadedly coupled with cage knob 44.
Switch knob 43 is located at the side that concave part 411 is relatively distant from clamping part 42, and the switch knob 43 can turn by axle of first axle
Move and enable to the distance of first axle and the first connector 3 to change when rotating.Specifically, switch knob 43 includes one
The supporting part 431 being connected is rotated with the second connector 45, the supporting part 431 passes through a pivot 47 through the second connector 45
It is pivotally attached on the second connector 45, substantial first axle is the bearing of trend of pivot 47, and the first axle is also flat
Row is in first straight line L, when supporting part 431, which props up concave part 411, is relatively distant from the side of clamping part 42, first axle distance the
A connection piece 3 is farthest.In the present embodiment, supporting part 431 is a cam structure, when distance center is farthest in the cam structure
When place props up concave part 411, then distance the first connector 3 is farthest for first axle.
Cage knob 44 can be rotated with second axis, and the distance in rotation process between cage knob 44 and first axle becomes
Change.Specifically, cage knob 44 is located at the side that clamping part 42 is relatively distant from concave part 411, " U " positioned at clamping slot 421 that is to say
The side of the remote concave part 411 of font, is located at the relative both sides of clamping part 42 with switch knob 43.Interior spiral shell is additionally provided with inside cage knob 44
Line, relative second connector 45 can be revolved by internal thread at the end of thread of the second connector 45 by axle thread of second axis
Turn, and cage knob 44 is moved in rotation process towards the direction close to switch knob 43.In the present embodiment, second axis is second
The bearing of trend of connector 45, it is mutually perpendicular to first axle.
Stop part 46 is arranged in the opening portion of the "U" shaped of clamping slot 421, will regulation for coordinating with clamping slot 421
Handle 4 is arranged on the first connector 3.Specifically, stop part 46 includes two stopper units 461, each stopper unit 461 is wrapped
Include：Contact site 461a positioned at the side and limiting section 461b positioned at opposite side, contact site 461a include：Contact surface 4611, connects
Contacting surface 4611 is fitted with the outline part of the first connector 3, so as to match somebody with somebody unification with the sunk part of the "U" shaped of clamping slot 421
And clamp the outline of the first connector 3；Limiting section 461b is contacted with the second connector 45, forms a "U" shaped card thereon
Groove 4612, the "U" shaped neck 4612 is used for and the clamping of the second connector 45.Stop part 46 also includes：Connect two backstop lists
The connector 462 of member 461, the connector 462 is located at the side provided with limiting section 461b of stopper unit 461, connector 462
Cross sectional shape is "U" shaped.Preferably, connector 462 includes two, respectively positioned at the two of "U" shaped neck 4612
Side.So as to pass through the connection of the connector 462 of the "U" shaped so that when stop part 46 is by the pressure along second axis direction
When, two stopper units 461 are close, so that the contact surface 4611 in two stopper units 461 can be outer with the first connector 3
Profile is brought into close contact, and realizes locking.
Preferably, clamping slot 421 the opening portion office of "U" shaped also inward against extension first it is spacing
Raised 421a, shifts for limit stop part 46.The concave part 411 of grip frame 41 remote clamping part 42 side also
Provided with a pair of second spacing preiection 411a and a 3rd spacing preiection 411b, a pair of second spacing preiection 411a are pulled for limitation
Skew parallel to first axle direction occurs for button 43, and the 3rd spacing preiection 411b is used for the limit with being formed in the inner side of switch knob 43
Position groove（Figure is not marked）Coordinate, further the skew parallel to first axle direction occurs for limitation switch knob 43.
Preferably, also including one on grip part 412 can make user also can while being hold by one hand handle body
The operating position of trigger piece 43 is contacted, in other words, when user is to be hold by one hand grip part 412, the hand also can simultaneously be operated and pulled
Handle 43, so as to can also adjust regulation handle while operating trigger piece 43 to be unlocked handle body using only a hand
Position.
When using the regulation handle 4, the clamping slot 421 in handle body is sheathed on the first connector 3 first, so
The second connector 45 being fixedly connected with switch knob 43 is passed through into clamping slot 421 afterwards, then cage knob 44 is screwed on into the second connector 45
The end of thread；Then stop part 46 is put into the opening portion office of the "U" shaped of clamping slot 421, and makes itself and the second connector 45
Clamping；Last appropriate adjustment handle body, after regulation handle 4 is located at the correct position in the first connection, breaks switch knob 43, from
And the position by regulation handle 4 with respect to the first connector 3 is locked.When needing to readjust the position of regulation handle 4, only need anti-
To breaking switch knob 43 into two with one's hands, you can rotation or mobile regulation handle 4, when being adjusted to correct position, switch knob 43 is broken again
Lock again.
In the present invention, regulation handle 4 can be moved along the bearing of trend of the first connector 3, so that, operating personnel exist
During use, on the one hand, regulation handle 4 is suitably moved in the position that can be beaten the grass as needed, so as to than relatively labor-saving
It is convenient that the moving head 23 of grass-mowing machine 100 is extend into the position for needing to beat the grass；On the other hand, a hand holds operation device
10, another hand holds regulation handle 4, the position of mobile regulation handle 4 that can be suitably, so as to find the flat of grass-mowing machine 100
Weigh point, can stablize labour-saving and holds grass-mowing machine 100 and be beaten the grass.
In the present embodiment, store for convenience, the first connector 3 of connection main frame 1 and device 2 of beating the grass can also be bag
Contain：The connection component of first connecting rod 31 and second connecting rod 32, connection component is used to make main frame 1 and the composition of device 2 one of beating the grass is whole
Body.
In the present embodiment, connection component includes：First connecting rod 31, second connecting rod 32 and joint assembly（Figure is not marked）.
Wherein, first connecting rod 31 is connected with main frame 1, and second connecting rod 32 is connected with device 2 of beating the grass, and joint assembly can make the He of first connecting rod 31
Second connecting rod 32 is relatively rotated by axle of hinge axes, and the hinge axes are located at first connecting rod perpendicular to first straight line L directions
31 and the outside of second connecting rod 32.
Joint assembly includes：First end part 33, the second end part 34 and lock assembly（Figure is not marked）.Wherein first end
The one end of part 33 is fixedly connected with the free end of first connecting rod 31, the other end and the second end part 34 are hinged, the second end part 34
One end away from first end part 33 is fixedly connected with the free end of second connecting rod 32, and the free end of first connecting rod 31 here is
Refer to its one end away from main frame 1, the free end of second connecting rod 32 refers to its one end away from device 2 of beating the grass.
Specifically, first end part 33 includes the first fixed part 331, the first fixed part 331 is provided with the first screw（Figure is not
Mark）, the second end part 34 include the second fixed part 341, the second fixed part 341 be provided with the second screw 341a.Lock assembly is used
Second connecting rod 32 is locked when the predeterminated position relative to first connecting rod 31 is gone in second connecting rod 32, the lock assembly includes：
Threaded connector 35, when second connecting rod 32 is located at predeterminated position, the first screw is directed at the second screw 341a, threaded connector 35
The screw of precession first and the second screw 341a, so that first end part 33 and the second end part 34 are locked, and then first connecting rod 31
Extend with second connecting rod 32 along first straight line L.In the present embodiment, the predeterminated position is first connecting rod 31 and second connecting rod
32 are located at collinear position, and threaded connector 35 can be screw.
So, when needing to beat the grass, second connecting rod 32 is rotated, is located at together with first connecting rod 31 when second connecting rod 32 is turned to
During one straight line, precession screw, so as to lock second connecting rod 32, can now carry out operation of beating the grass；, it is necessary to right after end when beating the grass
When grass-mowing machine 100 is stored, screw can be screwed out, 32180 degree of second connecting rod is rotated, second connecting rod 32 is located at and first connecting rod 31
It is convenient that grass-mowing machine 100 is stored so as to shorten connection component on parallel another straight line, save space.
Device 2 of beating the grass includes：Unit head（Figure is not marked）With component of beating the grass（Figure is not marked）, wherein unit head beats the grass for driving
Component, it includes casing 21 and above-described motor, and the motor is brushless electric machine 22, and the brushless electric machine 22 includes：Rotor set
Part, stator module and output shaft 226, rotor assembly relative stator component are located at outside, and it is also external rotor electric machine to make the motor；Beat
Careless component includes：Moving head 23, cutting member 24 and anti-tangle lid 25.
Casing 21 includes：Receiving portion 211 and joins 212, receiving portion 211 and joins 212 are integrally formed.Receiving portion
211 be an integrally formed entirety, includes the outer surface 213 of single-revolution body, an accommodating chamber is also formed in the inside of receiving portion
（Figure is not marked）, accommodating chamber is the cylinder body cavity of the axle centered on the axis of output shaft 226, and the cavity wall of cylinder body cavity is continuous and causes
It is close, and one end of cylinder body cavity is closed, the other end is opened wide, for housing rotor assembly and stator module, the one of accommodating chamber closing
The outside at end is also concaved the identified areas 211a that traps out, and the product can be identified by forming one in identified areas 211a
Mark projection 211b, mark projection 211b protrudes from identified areas 211a, and mark projection 211b thickness is also less than appearance
Range marker region 211a vertical range on the outside of one end of chamber of receiving closing, in other words identifies projection 211b non-bulging in receiving
On the outside of one end of chamber closing；The unlimited one end of accommodating chamber is used to make the stretching of output shaft 226 accommodating chamber be connected to moving head 23.In succession
Portion 212, which tilts intersecting direction by receiving portion 211 and output shaft 226 and extended, to be formed, in the device 2 that will beat the grass with connection component
Connection, on the one hand can be achieved to mechanically connect, on the other hand realizes the electrical connection of power supply and unit head.It is preferred that, receiving portion 211 exists
The full-size radially of output shaft 226 is also less than the full-size of moving head 23 in output shaft 226 radially, so as to
Further protection receiving portion 211 is without damage.
Rotor assembly includes：Rotor sleeve 221, magnetic part 222.Rotor sleeve 221 is the cylinder of inner hollow, and it holds
Be contained in the accommodating chamber of casing 21 and can be rotated relative to accommodating chamber by axle of a pivot axis, and the outer wall of rotor sleeve 221 and
The inwall of the receiving portion 211 of casing 21 close to, and spacing between the two in 0.5mm between 5mm, preferred spacing is
2mm.Need exist for explanation is the inwall of the receiving portion 211 of outer wall and the casing 21 of rotor sleeve 221 close to referring to rotor set
Any parts are not provided between 221 outer wall of cylinder and the inwall of receiving portion 211.Magnetic part 222 includes multiple, multiple magnetic
Property part 222 on the inwall of rotor sleeve 221 in circumferential evenly distributed.In the present embodiment, it can also include in rotor assembly
One rotor cover plate 223, for enclosed rotor sleeve 221, it is possible to understand that, rotor sleeve 221 can also with rotor cover plate 223
It is integrally formed.
Stator module is partially accommodated in rotor sleeve 221, and it includes：Stator support 224 and coil block 225.Stator
Support 224 includes installation portion 224a, cradle portion 224b, and wherein installation portion 224a is fixedly connected with casing 21 and in casing 21
Accommodating chamber unlimited one end.The unlimited end of the receiving portion 211 of casing 21 is provided with integrally formed department of assembly 211c,
Department of assembly 211c is from the outside of casing 21 along radially outward protruding out perpendicular to pivot axis, and department of assembly 211c is provided with one
Approximately along the direction parallel to pivot axis（The direction of output shaft 226）The pilot hole 211d of extension, pilot hole 211d are one
Screwed hole, installation portion 224a is provided with the auxiliary section 224d coordinated with department of assembly 211c, and the department of assembly is passed through by screw
Installation portion 224a can be fixed on casing 21 by 211c and auxiliary section 224d.Cradle portion 224b one end is fixed with installation portion 224a to be connected
Connect, the other end is extend into rotor sleeve 221, for supporting coil block 225, coil block 225 is located at rotor sleeve 221
It is interior.
Output shaft 226 is used for the moving head 23 being transferred to the moment of torsion in unit head in component of beating the grass.In stator support
224 are provided with an axis hole 224c, the axis hole 224c up/down perforation installation portion 224a and cradle portion 224b, and output shaft 226 is passed through should
Axis hole 224c.By the driving of rotor sleeve 221, output shaft 226 can also be in axis hole 224c relative to axis hole 224c rotations.At this
In embodiment, one end of output shaft 226 is fixedly connected with a rotor cover plate 223, and rotor cover plate 223 and rotor sleeve 221
It is fixedly connected, so that output shaft 226 being rotated by rotor sleeve 221.
Moving head 23 is pivoted by the driving of unit head, so as to introduce the moment of torsion of unit head and drive cutting member
24 rotate；Cutting member 24 is rope of beating the grass, and rope of beating the grass winds and is installed in moving head 23, and can be cut off in quick rotation
Grass, so as to realize function of beating the grass, it is possible to understand that, the cutting member 24 can also be saw blade.Anti-tangle lid 25 be located at unit head and
Between moving head 23, protective bulkhead 251 and protection gusset 252 are formed with anti-tangle lid 25, protective bulkhead 251 is at the edge of anti-tangle lid 25
Towards moving head 23 side extend, protection gusset 252 for several self-insurance retaining walls 251 radially inside extend internally it is thin
Plate, this radially refers to perpendicular to pivot axial direction and points to the direction of pivot axis.
Preferably, casing 21 is made of aluminum alloy materials, and one side lighter weight just, but also can be quick
Radiating.
Preferably, the ratio of the power output of unit head and the quality of grass-mowing machine 100 is more than 500W/kg, so
The power output of unit head can be increased while 100 mass of grass-mowing machine is reduced.
In the device 2 of beating the grass of the present invention, using brushless electric machine 22, and rotor assembly is located at the outside of stator module, can be with
So that unit head has larger power output, and the volume and weight for device 2 of beating the grass can be reduced；In addition, using brushless electricity
Machine 22, it is also possible that casing 21 is integrally formed, can not only reduce the assembling of casing 21, and also reduce cost；Furthermore,
An anti-tangle lid 25 is provided with component of beating the grass, the probability that moving head 23 is wound by beaten the grass rope and grass can be reduced, improved
The performance of grass-mowing machine 100.
The connection component of the present invention also has other ways of realization.
Refer to Figure 17-18, be the second embodiment of the present invention grass-mowing machine in connection component, in the present embodiment,
Connection component has identical first connecting rod 31 ', second connecting rod 32 ' with the connection component in first embodiment, differs only in：
The difference of joint assembly.The difference part with first embodiment in the present embodiment is only introduced below.
In the present embodiment, joint assembly includes：First end part 33 ', the second end part 34 ' and lock assembly, wherein,
Lock assembly includes：Tumbler 35 ', operating parts 36 ' and locating part 37 '.Tumbler 35 ' is a rocking handle, one end of rocking handle and the
One end part 33 ', which is constituted, rotates connection, and its shaft parallel is in hinge axes；Operating parts 36 ' is a rectangular lock frame, lock
One end of frame and tumbler 35 ' rotate be connected, the other end and the cooperation of locating part 37 ', and operating parts 36 ' rotating shaft also parallel with
Hinge axes.Locating part 37 ' is fixed on the second end part 34 ', and locating part 37 ' locks the buckling groove of frame provided with energy clamping
371’.As shown in Figure 18, when rotating clockwise rocking handle, the end that lock frame coordinates with locating part 37 ' snaps fit onto buckling groove
In 371 ', so that the second end part 34 ' is locked, so that first connecting rod 31 ' and second connecting rod 32 ' are locked on same straight line；
When rotating counterclockwise rocking handle, lock frame departs from buckling groove 371 ', so that the second end part 34 ' is discharged, so that the energy of second connecting rod 32 '
It is enough to be rotated relative to first connecting rod 31 '.
Refer to Figure 19-20, be the third embodiment of the present invention grass-mowing machine in connection component, in the present embodiment,
Connection component has identical first connecting rod 31 ", second connecting rod 32 ", first end part with the connection component in second embodiment
33 ", the second end part 34 ", is differed only in：The difference of lock assembly.Only introduce below in the present embodiment with first embodiment
Difference part.
In the present embodiment, lock assembly includes：Tumbler 35 ", operating parts 36 ", locating part 37 " and sliding part 38 ".Its
Middle tumbler 35 " is a bearing pin, and one end of bearing pin is rotated with first end part 33 " to be connected, and a spring is also arranged on bearing pin
39”；Operating parts 36 " is cam trigger piece, and one end of cam trigger piece is cam part 361 ", and cam part 361 " is rotated with rotating 35 " parts
Connection；Locating part 37 " is fixed on the second end part 34 ", and the locked groove 371 " that can screw in tumbler 35 " is additionally provided with thereon；It is sliding
Moving part 38 " is arranged at the free end of tumbler 35 ", and sliding part 38 " is a packing ring for being provided with through hole, and lasso is sheathed on rotation
On part 35 ", its side props up spring 39 ", in the presence of spring 39 ", cam part 361 ", and packing ring is constituted with tumbler 35 " and slided
Dynamic connection, and the relative direction slided is perpendicular to the rotor shaft direction of tumbler 35 ", and when tumbler 35 " is transferred in locked groove 371 "
When, packing ring can be fixed on the place of locked groove 371 ".As shown in Figure 20, when rotating clockwise cam trigger piece, bearing pin is transferred to locked groove
In 371 ", and in the presence of cam part 361 ", packing ring is connected between locked groove 371 " and cam part 361 ", so as to lock second
End pieces 34 ", so that first connecting rod 31 " and second connecting rod 32 " are locked on same straight line；When rotating counterclockwise cam trigger piece
When, packing ring and bearing pin depart from locked groove 371 ", so that the second end part 34 " is discharged, so that second connecting rod 32 " can connect with respect to first
Bar 31 " is rotated.
Refer to Figure 21-23, be the fourth embodiment of the present invention grass-mowing machine in connection component, the present embodiment beats the grass
The difference of machine and first embodiment is connection component.The difference part with first embodiment in the present embodiment is only introduced below.
In the present embodiment, connection component includes：First connection unit 31 ' ' ', the second connection unit 32 ' ' ', hinge part
33 ' ' ', lock piece 34 ' ' '.First connection unit 31 ' ' ' include：First connecting tube 311 ' ' ', the second connection unit 32 ' ' ' bag
Include the second connecting tube 321 ' ' '；Hinge part 33 ' ' ' can make the first connection unit 31 ' ' ' and the second connection unit 32 ' ' ' constitute hinge
Connect；Lock piece 34 ' ' ' the first connecting tube 311 ' can be locked ' ' and the second connecting tube 321 ' ' ' so that their axis of rotation position
In on same straight line, axis of rotation is first straight line L directions.In the present embodiment, hinge part 33 ' ' ' be one can be perpendicular to the
When one straight line L rotation pivot, and when the first connecting tube 311 ' ' ' and the second connecting tube 321 ' ' ' is locked in same straight line, hinge
Part 33 ' ' ' be located at the first connection unit 31 ' ' ' and the second connection unit 32 ' ' ' whole interior of composition.
The first end part that ' ' also include and the first connecting tube 311 ' ' ' is connected specifically, the first connection unit 31 '
312 ' ' ', the second end part 322 ' that the second connection unit 32 ' ' ' include and the second connecting tube 321 ' ' ' is connected ' '.Hinge part
33 ' ' ' it is connected respectively with first end part 312 ' ' ' and the second end part 322 ' ' ', and hinge part 33 ' ' ' connects perpendicular to first
Adapter 311 ' ' in the range of ' plane on be located at first end part 312 ' ' '.One is also fixedly connected with first end part 312 ' ' '
It is individual to be provided with externally threaded screw element 35 ' ' ', lock piece 34 ' ' ' it is a revolving part, the second end is fixed in one end of revolving part
Part 322 ' ' ' on, the other end is provided with internal thread and the screw thread rotation of energy opposite thread part 35 ' ' '.As shown in figure 22, opposite thread is worked as
Part 35 ' when precession revolving part ' ', the second end part 322 ' ' ' can be locked, so that by the first connecting tube 311 ' ' ' and the second connection
Pipe 321 ' ' ' it is locked on same straight line；When opposite thread part 35 ' ' ' screws out revolving part, release the second end part 322 ' ' ',
So as to which second connecting rod can be rotated relative to first connecting rod.It should be understood that in the present embodiment, the first connection unit 31 ' ' '
First end part 312 ' ' ', the second connection unit 32 ' can not be included ' ' the second end part 322 ' can not also be included ' ', and it is straight
It is connected on the first connecting tube 311 ' ' ' and the second connecting tube 321 ' ' ' be provided with external screw thread, lock piece 34 ' ' ' can distinguish for two ends
The locking sleeve pipe rotated in the first connecting tube 311 ' on ' ' and the second connecting tube 321 ' ' ', hinge part 33 ' ' ' is directly connected to first
Connecting tube 311 ' ' ' and the second connecting tube 321 ' ' '.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all falls within protection scope of the present invention.
Claims (9)
1. a kind of grass-mowing machine, including：Main frame and device of beating the grass, the main frame include：Operation device and power supply, the device of beating the grass
Including：Motor and by the motor-driven component of beating the grass, provided with making the power supply be between the power supply and the motor
The power supply circuit that the motor is powered；
It is characterized in that：
The operation device includes：The control handle that can be operated；
The control handle includes：
Handle housing；
Master switch, can control whether the power supply circuit turns on；
Speed-regulating switch, can control the motor speed when the power supply circuit is turned on；
Master control trigger, for controlling the master switch；
Speed governing trigger, for controlling the speed-regulating switch；
Wherein, the master switch and the speed-regulating switch are contained in the handle housing, the master control trigger and the tune
The fast equal partial receipt of trigger is flexibly connected in the handle housing and with handle housing composition, and the master control trigger is in work
At least there is the conduction position for making the master switch turn on the power supply circuit in dynamic process and the master switch is cut
The off-position of the disconnected power supply circuit；The speed governing trigger at least has during activity controls the speed-regulating switch
The motor is in the zero speed position of zero rotary regimes and makes the speed-regulating switch control the motor to be in most fast state
Very fast position；The master control trigger in the off-position backstop in the speed governing trigger by the zero speed position to the pole
On the motion path of fast position, when the master control trigger leaves the off-position, the speed governing trigger could be from the zero-speed
Position is moved to the very fast position；
The handle housing includes：
For the handle portion of gripping,
Accommodate the resettlement section of the master switch and the speed-regulating switch；
The master control trigger and the speed governing trigger expose the part of the handle housing respectively positioned at the both sides of the handle portion；
The master switch is located at the handle portion and extended in the segment space of the corresponding resettlement section.
2. grass-mowing machine according to claim 1, it is characterised in that：The master control trigger and the speed governing trigger with described
The mode of the flexible connection constituted between hand housing is connected to rotate, and the master control trigger is at least locked in off-position
The speed governing trigger be at zero speed position or compared to the zero speed position further from the very fast position a position.
3. grass-mowing machine according to claim 2, it is characterised in that：The speed governing trigger is at least in the master control trigger
Rotated during the conduction position between the zero speed position and the very fast position.
4. grass-mowing machine according to claim 3, it is characterised in that：
The master control trigger includes：
Speed governing trigger described in backstop is from the zero speed position to described at least when the master control trigger is in the off-position
The first stopper section that very fast position is rotated；
The speed governing trigger includes：
The second stopper section at least coordinated when the master control trigger is in the off-position with first stopper section.
5. grass-mowing machine according to claim 4, it is characterised in that：First stopper section is formed with a backstop groove；
Wherein, when coordinating in first stopper section and the second stopper section, second stopper section it is at least partially embedded it is described only
Retaining groove and by the backstop power of the backstop groove, and first stopper section, by anti-backstop power, the anti-backstop power is institute
The torque for stating the rotating shaft generation of the reaction force and its relatively described master control trigger of backstop power turns less than the now master control trigger
Dynamic required torque.
6. the grass-mowing machine according to claim 4 or 5, it is characterised in that：
The master control trigger includes：
Fuehrungsstange, is arranged on inside the handle housing and its one end forms first stopper section；
Master control central siphon, is arranged on inside the handle housing and is connected with the other end of the Fuehrungsstange；
Master control trigger piece, the outside and one end for being at least partially disposed in the handle housing is connected with the master control central siphon；
Master control jack-post is provided with the handle housing, the master axis pipe sleeve is on the master control jack-post；
The speed governing trigger includes：
Speed-regulating arm, is arranged on inside the handle housing and its one end forms second stopper section；
Speed governing central siphon, is arranged on inside the handle housing and is connected with the other end of the speed-regulating arm；
Speed governing trigger piece, the outside and one end for being at least partially disposed in the handle housing is connected with the speed governing central siphon；
Speed governing jack-post is provided with the handle housing, the speed governing central siphon is enclosed on the speed governing jack-post.
7. grass-mowing machine according to claim 6, it is characterised in that：The one end of the master control trigger piece away from the master control central siphon
Distance to the master axis tube hub axis is more than the one end of the speed governing trigger piece away from the speed governing central siphon to the speed governing
The distance of central siphon central axis.
8. grass-mowing machine according to claim 3, it is characterised in that：
The handle housing includes：
The spacing speed governing trigger is located at or the not limit rib further away from the zero speed position.
9. grass-mowing machine according to claim 1, it is characterised in that the master control trigger includes：
Speed governing trigger described in backstop is from the zero speed position to described at least when the master control trigger is in the off-position
The first stopper section that very fast position is rotated；
The speed governing trigger includes：
The second stopper section at least coordinated when the master control trigger is in the off-position with first stopper section；
The master control trigger includes：
Fuehrungsstange, is arranged on inside the handle housing and its one end forms first stopper section；
Master control central siphon, is arranged on inside the handle housing and is connected with the other end of the Fuehrungsstange；
Master control trigger piece, the outside and one end for being at least partially disposed in the handle housing is connected with the master control central siphon；
Master control jack-post is provided with the handle housing, the master axis pipe sleeve is on the master control jack-post；
The speed governing trigger includes：
Speed-regulating arm, is arranged on inside the handle housing and its one end forms second stopper section；
Speed governing central siphon, is arranged on inside the handle housing and is connected with the other end of the speed-regulating arm；
Speed governing trigger piece, the outside and one end for being at least partially disposed in the handle housing is connected with the speed governing central siphon；
Speed governing jack-post is provided with the handle housing, the speed governing central siphon is enclosed on the speed governing jack-post；
The master control jack-post and the speed governing jack-post are arranged in the resettlement section；
The free end that the master control trigger piece is relatively distant from the master control central siphon is rotated in the master control trigger by the off-position
During to the conduction position handle portion is moved closer to from the side of the handle portion；
The free end that the speed governing trigger piece is relatively distant from the speed governing central siphon is rotated in the speed governing trigger by the zero speed position
During to the very fast position handle portion is moved closer to from the opposite side of the handle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410511083.0A CN105519309B (en) | 2014-09-28 | 2014-09-28 | Grass-mowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410511083.0A CN105519309B (en) | 2014-09-28 | 2014-09-28 | Grass-mowing machine |
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| CN105519309A CN105519309A (en) | 2016-04-27 |
| CN105519309B true CN105519309B (en) | 2017-11-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106211929A (en) * | 2016-07-26 | 2016-12-14 | 宁波市金泽机电科技有限公司 | A kind of electric grass mowing equipment |
| CN106169390B (en) * | 2016-08-26 | 2019-08-02 | 德丰电创科技股份有限公司 | A kind of speed-regulating switch |
| CN113494059B (en) * | 2020-03-18 | 2024-01-19 | 南京泉峰科技有限公司 | Hair drier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1066447A (en) * | 1996-08-29 | 1998-03-10 | Kinsei Engei Kogyo Kk | Electrically-driven pruning scissors for high branch |
| CN2328163Y (en) * | 1998-04-29 | 1999-07-14 | 山东临沂农业药械厂 | Grass cutter |
| CN103448036B (en) * | 2013-09-06 | 2017-01-04 | 常州格力博有限公司 | A kind of rear-mounted power instrument |
| CN203505055U (en) * | 2013-11-15 | 2014-04-02 | 浙江哈雷动力机械有限公司 | Operating handle of handheld mower |
| CN204305625U (en) * | 2014-09-28 | 2015-05-06 | 南京德朔实业有限公司 | Mower |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |