CN105432215B - Grass-mowing machine - Google Patents
Grass-mowing machine Download PDFInfo
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- CN105432215B CN105432215B CN201410510489.7A CN201410510489A CN105432215B CN 105432215 B CN105432215 B CN 105432215B CN 201410510489 A CN201410510489 A CN 201410510489A CN 105432215 B CN105432215 B CN 105432215B
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Abstract
The invention discloses a kind of grass-mowing machines, comprising: host and device of beating the grass, host includes: operating device and power supply, and device of beating the grass includes: component of beating the grass, and component of beating the grass includes cutting member;It beats the grass device further include: the power head of cutting member can be driven;Power head includes: casing, rotor assembly, stator module, and casing, which is one of the forming, component and is equipped with accommodating chamber;Rotor assembly is contained in accommodating chamber and the rotor sleeve including that can be rotated using pivot axis as axis;Stator module is at least partially housed in rotor sleeve;Wherein, rotor assembly further include: the magnetic part at rotor sleeve inner wall is arranged in two or more;Stator module includes: stator support and coil block;Stator support includes: mounting portion, cradle portion;Coil block is set in rotor sleeve by cradle portion.Grass-mowing machine of the invention is small in size, light weight and cost is low.
Description
Technical field
It beats the grass device the present invention relates to one kind, and in particular to a kind of light grass-mowing machine.
Background technique
Increasingly developed with grass-mowing machine, people constantly pursue the power of grass-mowing machine and the promotion of ability to work;Big function
The grass-mowing machine of rate, is usually associated with the heavy weight machine of large volume, and volume and weight directly results in the burden of worker, makes
With uncomfortable.And general grass-mowing machine, in the use process beaten the grass, it may appear that weeds snarl moving head, so that grass-mowing machine
The problems such as temperature is excessively high.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of small in size, light-weight grass-mowing machines.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of grass-mowing machine, comprising: host and device of beating the grass, host includes: operating device and power supply, and device of beating the grass includes:
It beats the grass component, component of beating the grass includes at least cutting member;
It beats the grass device further include: the power head of cutting member can be driven;
Power head includes:
Casing, be one of the forming component and be equipped with accommodating chamber;
Rotor assembly, is contained in the accommodating chamber of casing and the rotor sleeve including that can be rotated using pivot axis as axis;
Stator module is at least partially housed in rotor sleeve;
Wherein, rotor assembly further include: the magnetic part at rotor sleeve inner wall is arranged in two or more
Stator module includes: stator support and coil block;
Stator support includes:
Mounting portion, for being fixedly connected with casing composition;
Cradle portion is used to support coil block;
Coil block is set in rotor sleeve by cradle portion.
Further, the end of cradle portion is arranged in mounting portion;The accommodating chamber of casing is closed at one end, the other end opens wide, peace
Dress portion is set to the open one end of accommodating chamber;The outside of closed one end of casing is also recessed inwardly out identified areas, is identifying
Mark protrusion is equipped in region, mark protrusion protrudes from identified areas, and the maximum gauge for identifying protrusion is also less than the envelope of casing
The outside of the one end closed and the vertical range of identified areas.
Further, the department of assembly for installing stator support is additionally provided on casing, department of assembly is from casing along vertical
The pilot hole extended along the direction for being parallel to pivot axis is equipped in radially outward protruding out for pivot axis, in department of assembly.
Further, stator support is equipped with the axis hole through mounting portion and cradle portion;Power head further include: can be in axis hole
The output shaft of rotation, driving of the output shaft by rotor sleeve.
Further, the inner wall of casing close to rotor sleeve outer wall, and the outer wall of the inner wall of casing and rotor sleeve it
Between distance be greater than 0.5mm and be less than 5mm.
Further, the mass ratio of the output power of power head and grass-mowing machine is greater than 500W/kg.
Further, casing is made of aluminum alloy materials.
Further, grass-mowing machine further include: the connection component of attended operation device and power head;
Casing includes:
Receiving portion forms accommodating chamber;
Joins, for being connect with connection component.
Further, it beats the grass component further include:
The moving head for being driven and being pivoted by power head;
The anti-tangle lid being mounted between power head and moving head;
Wherein, cutting member is the rope of beating the grass for being wound in moving head;Anti-tangle lid is formed towards the side of moving head to beating the grass
Head extend protective bulkhead and along perpendicular to pivot axis the protection gusset radially extended.
A kind of grass-mowing machine, comprising: host and device of beating the grass, host includes: operating device and power supply, and device of beating the grass includes:
It beats the grass component, component of beating the grass includes at least cutting member;
Device of beating the grass includes: the power head that can drive cutting member;
Power head includes:
Casing is equipped with accommodating chamber;
Brushless motor;
Wherein, brushless motor includes:
Rotor assembly is contained in the accommodating chamber of casing;
Stator module is at least partially housed in rotor assembly;
Wherein, the overall structure that casing can not be split by one;Casing is close to rotor assembly.
The invention has the beneficial effects that: rotor assembly is located at the outside of stator module, can make power head have compared with
Big output power, and can reduce the volume and weight for device of beating the grass;In addition, using brushless motor, it is also possible that casing
It is integrally formed, not only can reduce the assembly of casing, but also reduce costs.
Detailed description of the invention
Fig. 1 show the stereoscopic schematic diagram 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 schematic diagram of internal structure of the control handle in Fig. 1;
Fig. 4 show the partial structure diagram of the control handle in Fig. 3, at this point, master control trigger is in off-position, adjusts
Fast trigger is in zero speed position;
Fig. 5 show the partial structure diagram of the control handle in Fig. 3, at this point, master control trigger is on position, adjusts
Fast trigger is in very fast position;
Fig. 6 show the structural schematic diagram of the regulation handle in Fig. 1;
Fig. 7 show the structural schematic diagram of the handle body in the regulation handle in Fig. 6;
Fig. 8 show the cross-sectional view of the a-quadrant in Fig. 6;
Fig. 9 show the structural schematic diagram of the stop part in Fig. 6;
Figure 10 show the structural schematic diagram of the connection component in Fig. 1;
Figure 11 show the enlarged diagram of the B area 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 schematic diagram of the brushless motor in Figure 12;
Figure 16 show the cross-sectional view of the brushless motor in Figure 15;
Figure 17 show the stereoscopic schematic diagram of the anti-tangle lid in Figure 12;
Figure 18 show the structural schematic diagram of the connection component in the grass-mowing machine of second embodiment of the invention, and first connects at this time
Bar and second connecting rod are located along the same line;
Figure 19 show the structural schematic diagram of the another state of the connection component in Figure 18, and first connecting rod and second connects at this time
Bar is not on the same line;
The structural schematic diagram of connection component in the grass-mowing machine of third embodiment of the invention shown in Figure 20, at this time first connecting rod
It is located along the same line with second connecting rod;
Figure 21 show the structural schematic diagram of the another state of the connection component in Figure 20, and first connecting rod and second connects at this time
Bar is not on the same line;
Figure 22 show the structural schematic diagram of the connection component in the grass-mowing machine of fourth embodiment of the invention, and first connects at this time
Adapter tube and the second connecting tube are located along the same line;
Figure 23 show the structural schematic diagram of the another state of the connection component in Figure 22, at this time 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.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
The present invention proposes a kind of grass-mowing machine, which can readily find equalization point when both hands operate, and uses
It is quite laborsaving.Fig. 1 to Figure 24 is please referred to, grass-mowing machine 100 of the invention includes: host 1, device 2 of beating the grass, connection host 1 and beats
The first connector 3 and regulation handle 4 of careless device 2, wherein host 1 includes: operating device 10 and power source (figure is not marked),
Device 2 of beating the grass includes motor (figure is not marked) and component of beating the grass (figure is not marked), and in the present embodiment, which is power supply, motor
For motor.Technical solution of the present invention for convenience of explanation is especially made defined below: defining the first connector 3 and connects host 1
One end be rear end, beat the grass one end of device 2 of connection is front end, and this definition is not intended as limiting the scope of the invention.
Host 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, which can
Think that battery pack, battery pack are mounted at 100 rear end of grass-mowing machine.It should be understood that the power supply may be to be connected to
Alternating current in utility grid.Operating device 10 is for controlling whether power source for motor provides power resources comprising: it can be grasped
The control handle (figure is not marked) of work, being additionally provided with one in the present embodiment, between power supply and motor makes power supply motor power
Power supply circuit.
Control handle includes: handle housing 11, master switch 12, speed-regulating switch 13, master control trigger 14, speed regulation trigger 15.
Handle housing 11 includes: handle portion 111 and receiving portion 112, and handle portion 111 and receiving portion 112 are located at handle housing 11
Both ends, handle portion 111 are held as the main handle supply operator of grass-mowing machine 100;It is respectively formed at receiving portion 112 and master
Master control jack-post 112a, the speed regulation jack-post 112b being connect with speed regulation trigger 15 that control trigger 14 connects.
Master switch 12 is contained in the receiving portion 112 of handle housing 11 for controlling whether power supply circuit is connected;It adjusts
Fast switch 13 can control the revolving speed of motor when power supply circuit is connected, and be also housed by the receiving portion 112 of handle housing 11.
Master control trigger 14 is for controlling master switch 12, and speed regulation trigger 15 is for controlling speed-regulating switch 13.Master control trigger 14
With the speed regulation equal partial receipt of 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
, what master control trigger 14, speed regulation trigger 15 were constituted with handle housing 11 respectively, which is flexibly connected, can be rotation connection, is slidably connected
The either composite joint mode of reciprocal connection or many of connection type, as long as making master control trigger 14, speed regulation trigger 15
The connection type that can switch between the two positions is preferably rotatablely connected here.Master control trigger 14 is in rotation process
In have conduction position and off-position, when be located at conduction position when, can make master switch 12 control power supply circuit be in lead
Logical state;When being located at off-position, master switch 12 can be made to control power supply circuit and be in dissengaged positions.Speed regulation trigger 15 exists
There is zero speed position and very fast position during rotation, when being located at zero speed position, speed-regulating switch 13 can be made to control motor
In zero speed state;When being located at very fast position, speed-regulating switch 13 can be made to control motor and be in most high speed state.Master control is pulled
Backstop is on adjusting the speed motion path of the trigger 15 by zero speed position to very fast position in off-position for machine 14, in master control trigger 14
Trigger 15 is adjusted the speed when leaving off-position could be moved to very fast position from zero speed position, that is to say to be in master control trigger 14 and cut
When disconnected position, speed regulation trigger 15 can be locked and be at zero speed position, or be at compared to zero speed position further from pole
One position of fast position;And when master control trigger 14 is on position, speed regulation trigger 15 then can be in zero speed position and pole
It is rotated between fast position, so that the relationship that master control trigger 14 and speed regulation trigger 15 are successively acted there are one, thus only
In the case where master control trigger 14 first acts, speed regulation trigger 15 could be acted, and ensure that safety.Therefore, operation of the invention
Power supply circuit and motor speed are controlled by master control trigger 14 and speed regulation trigger 15 respectively in device 10, using the shape of double trigger
Formula greatly reduces the structure and material of switch, to reduce costs.
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 is located in the receiving portion 112 of handle housing 11, and 143 part of master control trigger piece 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 separate master control central siphon 142 of spindle arm 141 can
It is contacted with master switch 12, and also forms one first stopper section 144 on the end, which is used for so that working as
Backstop speed regulation 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 receiving portion 112, and it can be circumferentially rotated on master control jack-post 112a.143 phase of master control trigger piece
It is located at the outside of handle housing 11 to one end far from master control central siphon 142, is operated for manpower, and it is relatively distant from master axis
The free end of pipe 142 moves closer to handle portion from the side of handle when master control trigger 14 turns to conduction position by off-position
111.In the present embodiment, further include in control handle a bias master control trigger 14 make it have tend to off-position rotate
Biased element 16, the biased element 16 are helical spring, and the spindle arm 141 of master control trigger 14 is fixed in one end of helical spring
On, the other end resists handle housing 11.
Speed regulation trigger 15 includes: speed-regulating arm 151, speed regulation central siphon 152, speed regulation trigger piece 153, speed-regulating arm 151, speed regulation central siphon
152 are located in the receiving portion 112 of handle housing 11, speed regulation 153 part of trigger piece is located in handle housing 11, speed regulation central siphon 152 by
Speed-regulating arm 151 and speed regulation trigger piece 153 are connected as an entirety.Speed-regulating arm 151 can be opened far from one end of speed regulation central siphon 152 with speed regulation
13 contacts are closed, and form the second stopper section 154 of one with the cooperation of the first stopper section 144, the first stopper section 144 on the end
One backstop slot 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
Backstop power into backstop slot 144a and by backstop slot 144a, 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 of interaction force, and the anti-backstop power is with respect to turn of master control trigger 14
The torque that axis generates is less than master control trigger 14 at this time and rotates required torque, thus when master control trigger 14 is in off-position,
It being capable of opposite locking speed regulation trigger 15.Speed regulation central siphon 152 is sheathed on the speed regulation jack-post 112b in receiving portion 112, and can be
It is circumferentially rotated on speed regulation jack-post 112b.One end that speed regulation trigger piece 153 is relatively distant from speed regulation central siphon 152 is located at the outer of handle housing 11
Side is operated for manpower, and its free end for being relatively distant from speed regulation central siphon 152 is turned in speed regulation trigger 15 by zero speed position
Handle portion 111 is moved closer to from the other side of handle when very fast position.
Preferably, the part that master control trigger 14 and speed regulation trigger 15 expose handle housing 11 is located at handle portion
111 two sides can operate simultaneously master control trigger 14 and speed regulation trigger 15 in this way with a hand.
Preferably, central axis of the one end of master control trigger piece 143 far from master control central siphon 142 to master control central siphon 142
Distance be greater than speed regulation trigger piece 153 far from speed regulation central siphon 152 one end to adjust the speed central siphon 152 central axis distance, in this way
It is more conform with manpower design, it is any to operate.
Preferably, a limit rib 113 is also formed in handle housing 11, which can limit speed regulation
Trigger 15, makes to adjust the speed trigger 15 and is located at zero speed position or not further away from zero speed position, in other words, when master control trigger 14 is located at
When off-position, speed regulation trigger 15 is enabled to be limited to zero speed position, the opposite direction not being re-directed towards close to very fast position is mobile.
Preferably, the first stop surface 144b is additionally provided on the first stopper section 144, the second stopper section 154 is equipped with
With the second stop surface 154a of the first stop surface 144b cooperation.When speed regulation trigger 15 is in very fast position or in zero speed position
When between very fast position, second stop surface 154a can resist the first stop surface 144b always, so that master control trigger 14 locks
In conduction position;And when speed regulation trigger 15 is in zero speed position, which is detached from the first stop surface 144b, releases
Put master control trigger 14.In this way, master control trigger 14 passes through effect of the backstop slot 144a to the second stopper section 154, so that master control trigger
14 locking speed regulation triggers 15 when being in off-position, thus only when first trigger the conducting power supply of master switch 12 electric for master control trigger 14
Lu Shi could make speed regulation trigger 15 trigger speed-regulating switch 13 and be adjusted the speed;And speed-regulating switch 13 passes through the second stop surface 154a
Effect to the first stop surface 144b, so that speed regulation trigger 15, which triggers speed-regulating switch 13, is in very fast position or non-zero speed position
When, master control trigger 14 is locked in conduction position, until master control trigger 14 could be released when speed regulation trigger 15 returns to zero speed position
It is put back into off-position.It therefore, can be by the interlocking structure of master control trigger 14 and speed regulation trigger 15, so that power supply order meets
The on-off sequence of electric current, protects user.
First connector 3 is located at host 1 between device 2 of beating the grass, for host 1 and device 2 of beating the grass to be connected into one
It is whole.Specifically, the first connector 3 is the metallic rod extended along the direction first straight line L, which is inner hollow knot
Structure, so that the connecting line that power supply and motor are electrically connected passes through inside metallic rod, it is relatively beautiful in this way, and
It can be improved security performance.
Regulation handle 4 is used for the auxiliary handle as operator when using grass-mowing machine 100, larger for weight in this way
Or the grass-mowing machine 100 of longer dimension, the both hands that can be realized operator grip the different parts of grass-mowing machine 100 respectively,
It is relatively labor-saving.In the present embodiment, regulation handle 4 is set on the first connector 3, and being capable of prolonging along the first connector 3
It is mobile to stretch direction, constitutes and is slidably connected between the first connector 3, in other words, regulation handle 4 can be on the first connector 3
It is slided along the direction of first straight line L.
Specifically, regulation handle 4 includes: handle body (figure is not marked) and locked component (figure is not marked), wherein locked component
For locking or position of the release handle ontology on the first connector 3.
Handle body includes: that grip frame 41 and clamping part 42, wherein grip frame 41 and clamping part 42 are integrally formed.Grip frame
41 be " recessed " character form structure, should the grip frame 41 of " recessed " character form structure include: that the concave part 411 being recessed inwardly, employment hand are held
Grip part 412 and the interconnecting piece 413 between grip part 412 and concave part 411, the separate grip part of concave part 411
412 side is used for stationary gripping part 42, and interconnecting piece 413 is for connecting 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 interconnecting piece 413 intersects (such as Fig. 2 with first straight line L inclination
It is shown), arm does not have to bending when such manpower holds grip part 412, and stretching, extension is freely, pleasant.
Clamping part 42 is connect with locked component and the first connector 3, for clamping the first connector 3, 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, is used for so that the first connector 3 passes through the clamping slot 421 along the direction first straight line L.
Locked component includes: locking piece, cage knob 44, the second connector 45 and stop part 46, and wherein locking piece can unlock
Or locked hand ontology, specially one switch knob 43 between grip part 412 and the first connector 3, the second connection
Part 45 is for connecting switch knob 43 and cage knob 44.Second connector 45 passes through the two sides of the opening portion of 421 "U" shaped of clamping slot,
Along the direction the second straight line M extension perpendicular to first straight line L, one end of the second connector 45 extend into 41 inside of grip frame 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, which can turn by axis of first axle
It moves and enables to first axle to change at a distance from the first connector 3 in rotation.Specifically, switch knob 43 includes one
With the support portion 431 of the second connector 45 rotation connection, which passes through the pivot 47 of the second connector 45 by one
It is pivotally attached on the second connector 45, substantial first axle is the extending direction of pivot 47, and the first axle is also flat
Row is in first straight line L, when support portion 431, which resists 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, support portion 431 is a cam structure, when distance center is farthest in the cam structure
When place resists concave part 411, then the first connector of distance 3 is farthest for first axle.
Cage knob 44 can be rotated with second axis, and the distance between cage knob 44 and first axle become during rotation
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 separate concave part 411 of font, with the two sides that be located at clamping part 42 opposite of switch knob 43.Interior spiral shell is additionally provided with inside cage knob 44
Line can be revolved with respect to the second connector 45 by axle thread of second axis by internal screw thread at the end of thread of the second connector 45
Turn, and cage knob 44 is during rotation towards mobile close to the direction of switch knob 43.In the present embodiment, second axis is second
The extending direction of connector 45, is mutually perpendicular to first axle.
Stop part 46 is set in the opening portion of 421 "U" shaped of clamping slot, for that will adjust with the cooperation of clamping slot 421
Handle 4 is set on the first connector 3.Specifically, stop part 46 includes two stopper units 461, each stopper unit 461 is wrapped
Include: the contact portion 461a positioned at the side and limiting section 461b positioned at the other side, contact portion 461a include: contact surface 4611, are connect
Contacting surface 4611 is bonded with the outer profile part of the first connector 3, so that the depressed section with 421 "U" shaped of clamping slot matches unification
And clamp the outer profile of the first connector 3;Limiting section 461b is contacted with the second connector 45, forms a "U" shaped card thereon
Slot 4612, the "U" shaped card slot 4612 are used to be clamped with the second connector 45.Stop part 46 further include: two backstop lists of connection
The connector 462 of member 461, the connector 462 are located at the side equipped with limiting section 461b of stopper unit 461, connector 462
Cross sectional shape is "U" shaped.Preferably, connector 462 includes two, is located at the two of "U" shaped card slot 4612
Side.To by 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 fits closely, and realizes locking.
Preferably, in clamping slot 421 at the opening portion of "U" shaped also inward against extension first limit
Raised 421a shifts for limit stop part 46.The concave part 411 of grip frame 41 separate clamping part 42 side also
Equipped with the second retention bead 411a of an a pair and third retention bead 411b, the second retention bead 411a of a pair is pulled for limiting
Button 43 is parallel to the offset in first axle direction, and third retention bead 411b is used for and the limit that is formed in the inside of switch knob 43
Position groove (figure is not marked) cooperation, further limits the offset that switch knob 43 is parallel to first axle direction.
Preferably, on grip part 412 further including one 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, which can also operate simultaneously and pull
Handle 43 a, so that hand, which is used only, to be also adjustable regulation handle while operating trigger piece 43 and being unlocked handle body
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 at the opening portion of "U" shaped of clamping slot 421, and makes itself and the second connector 45
Clamping;Last appropriate adjustment handle body breaks switch knob 43 after regulation handle 4 is located at the suitable position in the first connection, from
And the position by regulation handle 4 with respect to the first connector 3 locks.When needing to readjust the position of regulation handle 4, only need anti-
To switch knob 43 is broken into two with one's hands, i.e., rotatable or mobile regulation handle 4 breaks switch knob 43 when being adjusted to suitable position again
It locks again.
In the present invention, regulation handle 4 can be moved along the extending direction of the first connector 3, thus, operator exists
In use process, on the one hand, can according to need the position beaten the grass suitably to move regulation handle 4, so as to relatively labor-saving
The moving head 23 of grass-mowing machine 100 is easily extend into the position for needing to beat the grass;On the other hand, a hand holds operating device
10, another hand holds regulation handle 4, can be with the position of mobile regulation handle 4 appropriate, to find the flat of grass-mowing machine 100
Weigh point, can stablize labour-saving and holds grass-mowing machine 100 and beat the grass.
In the present embodiment, it stores for convenience, the first connector 3 or packet of connection host 1 and device 2 of beating the grass
Contain: the connection component of first connecting rod 31 and second connecting rod 32, connection component are whole for making host 1 and the composition of device 2 one of beating the grass
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 connect with host 1, and second connecting rod 32 is connect with device 2 of beating the grass, and joint assembly can make 31 He of first connecting rod
Second connecting rod 32 is relatively rotated by axis of hinge axes, which is located at first connecting rod perpendicular to the direction first straight line L
31 and second connecting rod 32 outside.
Joint assembly includes: first end component 33, second end component 34 and latch assembly (figure is not marked).Wherein first end
33 one end of part is fixedly connected with the free end of first connecting rod 31, the other end and second end component 34 are hinged, second end component 34
One end far from first end component 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 that its one end far from host 1, the free end of second connecting rod 32 refer to its one end far from device 2 of beating the grass.
Specifically, first end component 33 includes the first fixed part 331, the first fixed part 331 is equipped with the first screw hole, and (figure is not
Mark), second end component 34 includes the second fixed part 341, and the second fixed part 341 is equipped with the second screw hole 341a.Latch assembly is used
Second connecting rod 32 is locked when going to the predeterminated position relative to first connecting rod 31 in second connecting rod 32, which includes:
Threaded connector 35, when second connecting rod 32 is located at predeterminated position, the first screw hole is directed at the second screw hole 341a, threaded connector 35
The first screw hole of precession and the second screw hole 341a, to lock first end component 33 and second end component 34, and then first connecting rod 31
Extend along first straight line L with second connecting rod 32.In the present embodiment, which is first connecting rod 31 and second connecting rod
32 are located at collinear position, and threaded connector 35 can be screw.
In this way, rotating second connecting rod 32 when needing to beat the grass, it is located at together when second connecting rod 32 is turned to first connecting rod 31
When one straight line, precession screw can carry out operation of beating the grass to lock second connecting rod 32 at this time;After beating the grass, need pair
When grass-mowing machine 100 is stored, screw can be screwed out, rotates 32180 degree of second connecting rod, is located at second connecting rod 32 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: power head (figure is not marked) and component of beating the grass (figure is not marked), and wherein power head is beaten the grass for driving
Component comprising casing 21 and above-described motor, the motor are brushless motor 22, which includes: rotor set
Part, stator module and output shaft 226, rotor assembly relative stator component are located at outside, and making the motor is also external rotor electric machine;It beats
Careless component includes: moving head 23, cutting member 24 and anti-tangle lid 25.
Casing 21 includes: receiving portion 211 and joins 212, and receiving portion 211 and joins 212 are integrally formed.Receiving portion
211 be an integrally formed entirety, and the outer surface 213 including single-revolution body also forms an accommodating chamber in the inside of receiving portion
(figure is not marked), accommodating chamber are the cylinder body cavity using the axis of output shaft 226 as center axis, and the cavity wall of cylinder body cavity is continuous and causes
It is close, and the closed at one end of cylinder body cavity, the other end open wide, for accommodating rotor assembly and stator module, accommodating chamber closed one
The outside at end also concaves the identified areas 211a that traps out, and the product can be identified by forming one in identified areas 211a
Mark protrusion 211b, mark protrusion 211b protrudes from identified areas 211a, and the thickness for identifying protrusion 211b is also less than appearance
It is non-bulging in receiving in other words to identify protrusion 211b for the vertical range of range marker region 211a on the outside of the closed one end of chamber of receiving
On the outside of the closed one end of chamber;The open one end of accommodating chamber is connected to moving head 23 for making output shaft 226 stretch out accommodating chamber.In succession
Portion 212 by receiving portion 211 and output shaft 226 inclination intersection direction extend to form, in the device 2 that will beat the grass with connection component
It connects, mechanical connection on the one hand can be achieved, another aspect realization power supply is electrically connected with power head.Preferably, receiving portion 211 exists
The full-size radially of output shaft 226 is also less than the full-size of moving head 23 radially in output shaft 226, so as to
Further protection receiving portion 211 is not damaged.
Rotor assembly includes: rotor sleeve 221, magnetic part 222.Rotor sleeve 221 is the cylindrical body of inner hollow, is held
Be contained in the accommodating chamber of casing 21 and can opposite accommodating chamber using a pivot axis be axis rotation, and the outer wall of rotor sleeve 221 and
The inner wall of the receiving portion 211 of casing 21 close to, and spacing between the two in 0.5mm between 5mm, preferred spacing is
2mm.What needs to be explained here is that the inner wall of the receiving portion 211 of the outer wall of rotor sleeve 221 and casing 21 is close to referring to rotor set
Any components are not provided between the outer wall of cylinder 221 and the inner wall of receiving portion 211.Magnetic part 222 includes multiple, multiple magnetic
Property part 222 on the inner wall of rotor sleeve 221 in circumferential evenly distributed.In the present embodiment, can also include in rotor assembly
One rotor cover board 223 is used for enclosed rotor sleeve 221, it is possible to understand that, rotor sleeve 221 and rotor cover board 223 can also be with
It is integrally formed.
Stator module is partially accommodated in rotor sleeve 221 comprising: stator support 224 and coil block 225.Stator
Bracket 224 includes mounting portion 224a, cradle portion 224b, and wherein mounting portion 224a is fixedly connected with casing 21 and is located in casing 21
Accommodating chamber open one end.Integrally formed department of assembly 211c is equipped at open one end of the receiving portion 211 of casing 21,
For department of assembly 211c from the outside of casing 21 along radially outward protruding out perpendicular to pivot axis, department of assembly 211c is equipped with one
The pilot hole 211d extended approximately along the direction (226 direction of output shaft) for being parallel to pivot axis, pilot hole 211d are one
Threaded hole, mounting portion 224a are equipped with the auxiliary section 224d cooperated with department of assembly 211c, pass through the department of assembly by screw
Mounting portion 224a can be fixed on casing 21 by 211c and auxiliary section 224d.The one end cradle portion 224b and the fixed company of mounting portion 224a
It connects, the other end is extend into rotor sleeve 221, is used to support coil block 225, and coil block 225 is made to be located at rotor sleeve 221
It is interior.
Output shaft 226 is used for the moving head 23 being transferred to the torque in power head in component of beating the grass.In stator support
224 are equipped with an axis hole 224c, and mounting portion 224a and cradle portion 224b, output shaft 226 pass through this to axis hole 224c up and down
Axis hole 224c.By the driving of rotor sleeve 221, output shaft 226 can also be rotated in axis hole 224c relative to axis hole 224c.At this
In embodiment, one end of output shaft 226 is fixedly connected with a rotor cover board 223, and rotor cover board 223 and rotor sleeve 221
It is fixedly connected, so that output shaft 226 being rotated by rotor sleeve 221.
Moving head 23 by power head driving and pivot, so as to introduce the torque of power head and drive cutting member
24 rotations;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 cut off in quick rotation
Grass, to realize function of beating the grass, it is possible to understand that, the cutting member 24 or saw blade.Anti-tangle lid 25 be located at power head and
Between moving head 23, protective bulkhead 251 and protection gusset 252 are formed on anti-tangle lid 25, protective bulkhead 251 is at the edge of anti-tangle lid 25
Extend towards the side of moving head 23, protection gusset 252 is that radially inside extending internally for several self-insurance retaining walls 251 is thin
Plate, the radial direction refer to perpendicular to pivot axial direction and are directed toward 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
Heat dissipation.
Preferably, the ratio of the quality of the output power of power head and grass-mowing machine 100 is greater than 500W/kg, in this way
The output power of power head can be increased while reducing 100 mass of grass-mowing machine.
In device 2 of beating the grass of the invention, using brushless motor 22, and rotor assembly is located at the outside of stator module, can be with
So that power head has biggish output power, and it can reduce the volume and weight for device 2 of beating the grass;In addition, using brushless electricity
Machine 22 not only can reduce the assembly of casing 21, but also reduce costs it is also possible that casing 21 is integrally formed;Furthermore
It is provided with an anti-tangle lid 25 in component of beating the grass, can reduce the probability that moving head 23 is wound by beaten the grass rope and grass, improve
The performance of grass-mowing machine 100.
There are also other ways of realization for connection component of the invention.
Figure 17-18 is please referred to, is the connection component in the grass-mowing machine of the second embodiment of the present invention, in the present embodiment,
Connection component first connecting rod 31 ' having the same, second connecting rod 32 ' in connection component and first embodiment, difference are only that:
The difference of joint assembly.The difference part in the present embodiment with first embodiment is only introduced below.
In the present embodiment, joint assembly includes: first end component 33 ', second end component 34 ' and latch assembly, wherein
Latch assembly includes: rotating member 35 ', operating parts 36 ' and locating part 37 '.Rotating member 35 ' is a rocking handle, one end of rocking handle and the
One end component 33 ' constitutes rotation connection, and its shaft is parallel to hinge axes;Operating parts 36 ' is the lock frame that one is in rectangle, lock
One end of frame and the rotation connection of rotating member 35 ', the other end and locating part 37 ' cooperate, and the shaft of operating parts 36 ' also parallel with
Hinge axes.Locating part 37 ' is fixed on second end component 34 ', and locating part 37 ' is equipped with the clamping groove that can be clamped lock frame
371'.As shown in Figure 18, when rotating clockwise rocking handle, the end that lock frame and locating part 37 ' cooperate snaps fit onto clamping groove
In 371 ', so that second end component 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 is detached from clamping groove 371 ', so that second end component 34 ' is discharged, thus 32 ' energy of second connecting rod
It is enough to be rotated relative to first connecting rod 31 '.
Figure 19-20 is please referred to, is the connection component in the grass-mowing machine of the third embodiment of the present invention, in the present embodiment,
Connection component first connecting rod 31 " having the same, second connecting rod 32 ", first end component in connection component and second embodiment
33 ", second end component 34 ", difference is only that: the difference of latch assembly.Only introduce below in the present embodiment with first embodiment
Difference part.
In the present embodiment, latch assembly includes: rotating member 35 ", operating parts 36 ", locating part 37 " and sliding part 38 ".Its
Middle rotating member 35 " is a pin shaft, and one end of pin shaft and first end component 33 " are rotatablely connected, and is also arranged a spring on pin shaft
39";Operating parts 36 " is cam trigger piece, and one end of cam trigger piece is cam part 361 ", cam part 361 " and rotation 35 " parts rotation
Connection;Locating part 37 " is fixed on second end component 34 ", is additionally provided with the locked groove 371 " that rotating member 35 " can be made to screw in thereon;It is sliding
Moving part 38 " is set to the free end of rotating member 35 ", and sliding part 38 " is the washer for being equipped with through-hole, and lasso is sheathed on rotation
On part 35 ", one side resists spring 39 ", and under the action of spring 39 ", cam part 361 ", washer and rotating member 35 " are constituted and slided
Dynamic connection, and the direction of opposite sliding is perpendicular to the rotor shaft direction of rotating member 35 ", and when rotating member 35 " is transferred in locked groove 371 "
When, washer is capable of fixing in 371 " place of locked groove.As shown in Figure 20, when rotating clockwise cam trigger piece, pin shaft is transferred to locked groove
In 371 ", and under the action of cam part 361 ", washer is connected between locked groove 371 " and cam part 361 ", thus locking 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, washer and pin shaft are detached from locked groove 371 ", so that second end component 34 " is discharged, so that second connecting rod 32 " can connect with respect to first
Bar 31 " rotates.
1-23 referring to figure 2., is the connection component in the grass-mowing machine of the fourth embodiment of the present invention, and the present embodiment is beaten the grass
The difference of machine and first embodiment is connection component.The difference part in the present embodiment with first embodiment is only introduced below.
In the present embodiment, connection component includes: the first connection unit 31 ' ' ', the second connection unit 32 ' ' ', hinged piece
33 ' ' ', lock piece 34 ' ' '.First connection unit 31 ' ' ' include: the first connecting tube 311 ' ' ', the second connection unit 32 ' ' ' packet
Include the second connecting tube 321 ' ' ';Hinged piece 33 ' ' ' the first connection unit 31 ' can be made ' ' and the second connection unit 32 ' ' ' constitute hinge
It connects;Lock piece 34 ' ' ' the first connecting tube 311 ' can be locked ' ' and the second connecting tube 321 ' ' ' to make their axis of rotation position
In on same straight line, axis of rotation is the direction first straight line L.In the present embodiment, hinged piece 33 ' ' ' be one can be perpendicular to the
The rotation pivot of one straight line L, and when the first connecting tube 311 ' ' ' and the second connecting tube 321 ' ' ' when being locked in same straight line, hinged shaft
The whole interior of part 33 ' ' ' be located at the first connection unit 31 ' ' ' and the second connection unit 32 ' ' ' composition.
The first end component that ' ' further include and the first connecting tube 311 ' ' ' connect specifically, the first connection unit 31 '
312 ' ' ', the second connection unit 32 ' ' ' include and the second connecting tube 321 ' ' ' connect second end component 322 ' ' '.Hinged piece
33 ' ' ' it is connect respectively with first end component 312 ' ' ' and second end component 322 ' ' ', and hinged piece 33 ' ' ' connect perpendicular to first
In the range of adapter tube 311 ' ' ' plane on be located at first end part 312 ' ' '.One is also fixedly connected on first end component 312 ' ' '
It is a to be equipped 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 equipped with internal screw thread and can 35 ' ' ' screw thread rotation of opposite thread part.As shown in figure 22, work as opposite thread
Part 35 ' when precession revolving part ' ', second end component 322 ' ' ' can be locked, thus 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, second end component 322 ' ' ' is discharged,
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 ' ' '
Can not include first end component 312 ' ' ', the second connection unit 32 ' ' ' can not also include second end component 322 ' ' ', and it is straight
Connect in the first connecting tube 311 ' and be equipped with external screw thread, lock piece 34 ' on ' ' and the second connecting tube 321 ' ' ' ' ' it is that both ends can be distinguished
The locking casing rotated on ' ' and the second connecting tube 321 ' ' ' in the first connecting tube 311 ', hinged piece 33 ' ' ' it is directly connected to first
Connecting tube 311 ' ' ' and the second connecting tube 321 ' ' '.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution all falls within protection scope of the present invention.
Claims (9)
1. a kind of grass-mowing machine, comprising: host and device of beating the grass, the host includes: operating device and power supply, the device of beating the grass
Include: component of beating the grass, the component of beating the grass including at least cutting member, the grass-mowing machine further include for connect the host and
The connection component of the device of beating the grass, it is characterised in that:
The device of beating the grass further include: the power head of the cutting member can be driven;
The power head includes:
Casing, be one of the forming component and be equipped with accommodating chamber;
Rotor assembly, is contained in the accommodating chamber of the casing and the rotor set including that can be rotated using pivot axis as axis
Cylinder;
Stator module is at least partially housed in the rotor sleeve;
Wherein, the rotor assembly further include: the magnetic part at the rotor sleeve inner wall is arranged in two or more;
The stator module includes: stator support and coil block;
The stator support includes:
Mounting portion, for being fixedly connected with casing composition;
Cradle portion is used to support the coil block;
The coil block is set in the rotor sleeve by the cradle portion;
The end of the cradle portion is arranged in the mounting portion;The accommodating chamber of the casing is closed at one end, the other end opens wide,
The mounting portion is set to installation position described in the open one end of the accommodating chamber in the rotor assembly close to the group of beating the grass
The side of part;The casing further include: receiving portion and joins, described accommodation section around forming the accommodating chamber, it is described in succession
Portion is used to the casing being connected to the connection component;Described accommodation section includes: around the outer surface of the pivot axis, institute
It is integrally formed to state outer surface and the closed one end of the accommodating chamber.
2. grass-mowing machine according to claim 1, it is characterised in that: the end of the cradle portion is arranged in the mounting portion;
The accommodating chamber of the casing is closed at one end, the other end opens wide, and the mounting portion is set to the open one end of the accommodating chamber;
The outside of closed one end of the casing is also recessed inwardly out identified areas, and mark protrusion is equipped in the identified areas,
The mark protrusion protrudes from the identified areas, and the maximum gauge of the mark protrusion is also less than the closed of the casing
The vertical range in the outside of one end and the identified areas.
3. grass-mowing machine according to claim 1, it is characterised in that: be additionally provided on the casing for installing the stator branch
The department of assembly of frame, the department of assembly is from the casing along radially outward protruding out perpendicular to the pivot axis, the dress
With the pilot hole being equipped in portion along the direction extension for being parallel to the pivot axis.
4. grass-mowing machine according to claim 1, it is characterised in that: the stator support, which is equipped with, runs through the mounting portion and branch
The axis hole in frame portion;The power head further include: the output shaft that can be rotated in the axis hole, the output shaft is by the rotor
The driving of sleeve.
5. grass-mowing machine according to claim 1, it is characterised in that: the inner wall of the casing is outer close to the rotor sleeve
Wall, and the distance between outer wall of the inner wall of the casing and the rotor sleeve is greater than 0.5mm and is less than 5mm.
6. grass-mowing machine according to claim 1, it is characterised in that: the output power of the power head and the grass-mowing machine
Mass ratio is greater than 500W/kg.
7. grass-mowing machine according to claim 1, it is characterised in that: the casing is made of aluminum alloy materials.
8. grass-mowing machine according to claim 1, it is characterised in that: the grass-mowing machine further include: connect the operating device
With the connection component of the power head;
The casing includes:
Receiving portion forms the accommodating chamber;
Joins, for being connect with the connection component.
9. according to claim 1 to grass-mowing machine described in 8 any one, it is characterised in that: the component of beating the grass further include:
The moving head for being driven and being pivoted by the power head;
The anti-tangle lid being mounted between the power head and the moving head;
Wherein, the cutting member is the rope of beating the grass for being wound in the moving head;The anti-tangle lid is towards the one of the moving head
Side forms the protective bulkhead extended to the moving head and along the protection gusset radially extended perpendicular to the pivot axis.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410510489.7A CN105432215B (en) | 2014-09-28 | 2014-09-28 | Grass-mowing machine |
US14/861,754 US20160088792A1 (en) | 2014-09-28 | 2015-09-22 | Grass trimmer |
EP15186367.7A EP3000300B1 (en) | 2014-09-28 | 2015-09-23 | Grass trimmer |
AU2015101406A AU2015101406A4 (en) | 2014-09-28 | 2015-09-28 | Grass trimmer |
US16/793,714 US20200178462A1 (en) | 2014-09-28 | 2020-02-18 | Grass trimmer |
Applications Claiming Priority (1)
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CN201410510489.7A CN105432215B (en) | 2014-09-28 | 2014-09-28 | Grass-mowing machine |
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CN105432215A CN105432215A (en) | 2016-03-30 |
CN105432215B true CN105432215B (en) | 2019-01-04 |
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CN201410510489.7A Active CN105432215B (en) | 2014-09-28 | 2014-09-28 | Grass-mowing machine |
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Families Citing this family (5)
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CN208572754U (en) * | 2017-10-20 | 2019-03-05 | 南京德朔实业有限公司 | Moving head |
CN111096137B (en) * | 2018-10-26 | 2023-03-17 | 南京泉峰科技有限公司 | Grass trimmer |
TWI691261B (en) * | 2019-09-25 | 2020-04-21 | 何炳梓 | Gardening machine |
EP4108058A4 (en) * | 2020-05-21 | 2023-08-23 | Nanjing Chervon Industry Co., Ltd. | Power device |
CN113179742A (en) * | 2021-05-19 | 2021-07-30 | 宁波奥晟机械有限公司 | Grass and brush cutter |
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CN202722031U (en) * | 2012-07-16 | 2013-02-13 | 吴辉毅 | Direct-drive electric mowing machine |
CN203301992U (en) * | 2013-06-14 | 2013-11-27 | 宁波鑫迪电机科技有限公司 | Grass trimmer with front motor |
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US20100064866A1 (en) * | 2006-11-01 | 2010-03-18 | Innover Technologies Ltd. | Optical fiber flail with integrated power supply and light source for rotary cutting tools |
CN201726673U (en) * | 2009-12-30 | 2011-02-02 | 桂林电器科学研究所 | Electric mower |
US20110203118A1 (en) * | 2010-02-19 | 2011-08-25 | Kyodo Co., Ltd. | Brush cutter |
CN202475206U (en) * | 2011-11-11 | 2012-10-03 | 德昌电机(深圳)有限公司 | Permanent magnet motor, and electric tool and mower using the same |
JP2013208059A (en) * | 2012-03-30 | 2013-10-10 | Hitachi Koki Co Ltd | Electric working machine |
CN204191161U (en) * | 2014-09-28 | 2015-03-11 | 南京德朔实业有限公司 | Mower |
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CN202722031U (en) * | 2012-07-16 | 2013-02-13 | 吴辉毅 | Direct-drive electric mowing machine |
CN203301992U (en) * | 2013-06-14 | 2013-11-27 | 宁波鑫迪电机科技有限公司 | Grass trimmer with front motor |
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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. |