CN204168761U - Mower - Google Patents

Abstract

The utility model discloses a kind of mower, comprising: main frame and device of beating the grass; Mower also comprises: connect beat the grass device and the as a whole coupling assembling of main frame; Coupling assembling comprises: first connecting rod, second connecting rod, joint assembly; Joint assembly at least can make first connecting rod and second connecting rod be that axle relatively rotates with hinge axes; Wherein, first connecting rod at least connects main frame or of beating the grass in device; Second connecting rod at least connect main frame or beat the grass in device another; Joint assembly comprises: lock assembly, and it at least locks second connecting rod when second connecting rod goes to the predeterminated position relative to first connecting rod.Take up room during mower storage of the present utility model little.

Description

Mower

Technical field

The utility model relates to one and to beat the grass device, is specifically related to a kind of Handheld lawn mower.

Background technology

In horticultural field, the use of mower is almost absolutely necessary.And the desk-top mower that the mower of hand-held is large relative to volume, weight is stupid more enjoys the favor of people.People carry out wishing when beating the grass operation that the connecting rod between main frame and moving head is long as much as possible at use mower, can beat the grass on a large scale like this; But when not using mower, then wishing again that the connecting rod of mower is short as much as possible, more convenient like this storage, saving space.Current existing mower can't meet this requirement of 2 simultaneously.

Summary of the invention

For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of convenient for collecting, space-saving mower.

In order to realize above-mentioned target, the utility model adopts following technical scheme:

A kind of mower, comprise: main frame and device of beating the grass, main frame comprises operating means and power source, and device of beating the grass comprises: motor and the assembly of beating the grass driven by motor, operating means controls power source whether for motor provides power resources, and assembly of beating the grass at least comprises cut-out element;

Mower also comprises: connect beat the grass device and the as a whole coupling assembling of main frame;

Coupling assembling comprises:

First connecting rod;

Second connecting rod;

Joint assembly, at least can make first connecting rod and second connecting rod be that axle relatively rotates with hinge axes;

Wherein, first connecting rod at least connects main frame or of beating the grass in device; Second connecting rod at least connect main frame or beat the grass in device another;

Joint assembly comprises:

Lock assembly, it at least locks second connecting rod when second connecting rod goes to the predeterminated position relative to first connecting rod.

Further, hinge axes is positioned at the outside of first connecting rod and second connecting rod.

Further, joint assembly also comprises:

Be arranged on the first end parts of first connecting rod free end;

Be arranged on the second end part of second connecting rod free end;

Wherein, first end parts and the second end part form hinged.

Further, first end parts comprise: the first fixed part, and the first fixed part is provided with the first screw;

The second end part comprises: the second fixed part, and the second fixed part is provided with the second screw;

Lock assembly comprises: threaded connector;

Wherein, when second connecting rod goes to the predeterminated position relative to first connecting rod, the first screw aims at the second screw; Threaded connector locks first end parts and the second end part by precession first screw and the second screw.

Further, lock assembly comprises:

The tumbler be rotationally connected with first end parts,

The operating parts be rotationally connected with tumbler,

The second end part is provided with the locating part that can coordinate with operating parts.

Further, tumbler is with the rocking handle of the axis of rotation of parallel hinge axes;

Operating parts is the lock frame with another axis of rotation of parallel hinge axes;

Locating part is provided with the buckling groove of energy clamping lock edge edge.

Further, joint assembly also comprises:

Be arranged on the sliding part of tumbler free end;

Sliding part and tumbler structure are slidably connected, and the direction of their relative slidings is perpendicular to the rotor shaft direction of tumbler.

Further, tumbler is an axle, and its one end is rotationally connected to first end parts;

Sliding part is the packing ring being provided with through hole, and tumbler is through this packing ring;

Operating parts is be rotationally connected the cam trigger piece to the tumbler other end, and one end that cam trigger piece is connected with tumbler is cam part;

Locating part is provided with and tumbler can be made to screw in and can block the locked groove of sliding part.

A kind of mower, comprise: main frame and device of beating the grass, main frame comprises operating means and power source, and device of beating the grass comprises: motor and the assembly of beating the grass driven by motor, operating means controls power source whether for motor provides power resources, and assembly of beating the grass at least comprises cut-out element;

Mower also comprises: connect beat the grass device and the as a whole coupling assembling of main frame;

Coupling assembling comprises:

First linkage unit, it comprises the first tube connector;

Second linkage unit, it comprises the second tube connector;

The first linkage unit and the second linkage unit is made to form hinged hinge part;

Lock the first tube connector and the second tube connector makes their axis of rotation be positioned at collinear lock piece;

Hinge part is positioned at the inside of the entirety of the first linkage unit and the second linkage unit formation when the first tube connector and the second tube connector are locked in same straight line

Further, hinge part directly connects the first tube connector and the second tube connector; First tube connector and the second tube connector are equipped with external screw thread, and lock piece is for establishing female locking sleeve pipe;

Or,

First linkage unit also comprises the first end parts being arranged at the first tube connector end;

Second linkage unit also comprises the second end part being arranged at the second tube connector end;

First end parts and the second end part form hinged by hinge part, and hinge part is positioned at the scope of first end parts in the plane perpendicular to the first tube connector;

First end parts are fixedly connected with and are provided with externally threaded screw element, lock piece is that one end is fixed on the second end part, the other end establishes female revolving part.

Usefulness of the present utility model is: first connecting rod and second connecting rod can relatively rotate on same straight line under the effect of joint assembly, or turn on the different straight lines that are parallel to each other, thus when needs are beaten the grass, first connecting rod and second connecting rod are locked on same straight line by locked component, can increase the scope of beating the grass as much as possible; When needs are received, rotate second connecting rod 180 degree, make first connecting rod and second connecting rod doubling, thus length can be shortened as much as possible, save space.

Accompanying drawing explanation

Figure 1 shows that the schematic perspective view of the mower of the utility model first embodiment;

Figure 2 shows that the end view of the mower in Fig. 1;

Figure 3 shows that the interior schematic diagram of the control handle in Fig. 1;

Figure 4 shows that the part-structure schematic diagram of the control handle in Fig. 3, now, master control trigger is in off-position, and speed governing trigger is in zero speed position;

Figure 5 shows that the part-structure schematic diagram of the control handle in Fig. 3, now, master control trigger is in conduction position, and speed governing trigger is in very fast position;

Figure 6 shows that the structural representation of the adjustment handle in Fig. 1;

Figure 7 shows that the structural representation of the handle body in the adjustment handle in Fig. 6;

Figure 8 shows that the cutaway view of the a-quadrant in Fig. 6;

Figure 9 shows that the structural representation of the stop part in Fig. 6;

Figure 10 shows that the structural representation of the coupling assembling in Fig. 1;

Figure 11 shows that the enlarged diagram in the B region in Figure 10;

Figure 12 shows that the explosive view of the device of beating the grass in Fig. 1;

Figure 13 shows that the enlarged diagram of the casing in Figure 12;

Figure 14 shows that the end view of the casing in Figure 12;

Figure 15 shows that the structural representation of the brushless electric machine in Figure 12;

Figure 16 shows that the cutaway view of the brushless electric machine in Figure 15;

Figure 17 shows that the schematic perspective view of the anti-tangle lid in Figure 12;

Figure 18 shows that the structural representation of the coupling assembling in the mower of the utility model second embodiment, now first connecting rod and second connecting rod are located along the same line;

Figure 19 shows that the structural representation of the another state of the coupling assembling in Figure 18, now first connecting rod and second connecting rod are not on the same line;

The structural representation of the coupling assembling in the mower of the utility model shown in Figure 20 the 3rd embodiment, now first connecting rod and second connecting rod are located along the same line;

Figure 21 is depicted as the structural representation of the another state of the coupling assembling in Figure 20, and now first connecting rod and second connecting rod are not on the same line;

Figure 22 is depicted as the structural representation of the coupling assembling in the mower of the utility model the 4th embodiment, and now the first tube connector and the second tube connector are located along the same line;

Figure 23 is depicted as the structural representation of the another state of the coupling assembling in Figure 22, and now the first tube connector and the second tube connector are not on the same line;

Figure 24 is depicted as the explosive view of the coupling assembling in Figure 22.

Embodiment

Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.

The utility model proposes a kind of mower, this mower can be easy to when bimanualness find equalization point, uses quite laborsaving.Please refer to Fig. 1 to Figure 24, mower 100 of the present utility model comprises: main frame 1, device 2 of beating the grass, the first connector 3 connecting main frame 1 and device 2 of beating the grass and adjustment handle 4, wherein main frame 1 comprises: operating means 10 and power source (figure does not mark), device 2 of beating the grass comprises motor (figure does not mark) and assembly of beating the grass (figure does not mark), in the present embodiment, this power source is power supply, and motor is motor.The technical solution of the utility model for convenience of description, makes giving a definition: defining one end that the first connector 3 connects main frame 1 is rear end, and the one end connecting device 2 of beating the grass is front end, and this definition is not as restriction scope of the present utility model especially.

Main frame 1 is positioned at the rear end of mower 100, and wherein power supply is used for providing power resources to mower 100, and this power supply can be power brick, and power brick is dismountable is installed on mower 100 rear end.Understandable, this power supply also can for being connected to the alternating current in utility grid.Operating means 10 is for controlling power source whether for motor provides power resources, and it comprises: can by the control handle (figure does not mark) operated, and in the present embodiment, is also provided with one and makes power supply be the power supply circuits of feeding electric motors between power supply and motor.

Control handle comprises: handle housing 11, master switch 12, speed-regulating switch 13, master control trigger 14, speed governing trigger 15.Handle housing 11 comprises: handle portion 111 and resettlement section 112, and handle portion 111 and resettlement section 112 lay respectively at the two ends of handle housing 11, and handle portion 111 grips as the main handle supply operating personnel of mower 100; Resettlement section 112 place is formed with the master control jack-post 112a be connected with master control trigger 14, the speed governing jack-post 112b be connected with speed governing trigger 15 respectively.

Master switch 12 is for controlling power supply circuits whether conducting, and it is contained in the resettlement section 112 of handle housing 11; Speed-regulating switch 13 can control the rotating speed of motor when power supply circuits conducting, it is also contained in the resettlement section 112 of handle housing 11.

Master control trigger 14 is for controlling master switch 12, and speed governing trigger 15 is for controlling speed-regulating switch 13.Master control trigger 14 and the equal partial receipt of speed governing trigger 15 are in handle housing 11, and form with handle housing 11 respectively and be flexibly connected, understandable, the flexible connection that master control trigger 14, speed governing trigger 15 are formed with handle housing 11 respectively can be rotationally connected, be slidably connected or be back and forth connected or the composite joint mode of wherein multiple connected mode, as long as make master control trigger 14, connected mode that speed governing trigger 15 can switch between the two positions, be preferably rotationally connected here.Master control trigger 14 has conduction position and off-position in rotation process, when being positioned at conduction position, master switch 12 can being made to control power supply circuits and be in conducting state; When being positioned at off-position, master switch 12 can being made to control power supply circuits and to be in dissengaged positions.Speed governing trigger 15 has zero speed position and very fast position in the process of rotating, and when being positioned at zero speed position, speed-regulating switch 13 can being made to control motor and be in zero rotary regimes; When being positioned at very fast position, speed-regulating switch 13 can being made to control motor and to be in most fast state.Master control trigger 14 when off-position backstop at speed governing trigger 15 by zero speed position on the motion path of very fast position, when master control trigger 14 leaves off-position, speed governing trigger 15 could move to very fast position from zero speed position, that is to say when master control trigger 14 is in off-position, can lock speed governing trigger 15 makes it be in zero speed position, or makes it be in compare the position of zero speed position further from very fast position; And when master control trigger 14 is in conduction position, speed governing trigger 15 can rotate between zero speed position and very fast position, thus make master control trigger 14 and speed governing trigger 15 there is the relation of a successively action, thus only when the 14 first action of master control trigger, the action of speed governing trigger 15 ability, ensure that safety.Therefore, control power supply circuits and motor speed respectively by master control trigger 14 and speed governing trigger 15 in operating means 10 of the present utility model, adopt the form of double trigger, greatly reduce structure and the material of switch, thus reduce cost.

Concrete, master control trigger 14 comprises: spindle arm 141, master control central siphon 142, master control trigger piece 143, spindle arm 141, master control central siphon 142 are positioned at the resettlement section 112 of handle housing 11, master control trigger piece 143 part is positioned at handle housing 11, and spindle arm 141 is connected as a whole with master control trigger piece 143 by master control central siphon 142.One end away from master control central siphon 142 of spindle arm 141 can contact with master switch 12, and on this end, also forming one first stopper section 144, this first stopper section 144 is provided for the backstop speed governing trigger 15 when master control trigger 14 is in off-position and is rotated to very fast position by zero speed position.Master control central siphon 142 is sheathed on the master control jack-post 112a in resettlement section 112, and circumference can rotate on master control jack-post 112a.The relative one end away from master control central siphon 142 of master control trigger piece 143 is positioned at the outside of handle housing 11, operate for staff, and its relatively away from the free end of master control central siphon 142 when master control trigger 14 is turned to conduction position by off-position from the side of handle gradually near handle portion 111.In the present embodiment, the biased element 16 that a bias voltage master control trigger 14 makes it have the rotation of trend off-position is also comprised in control handle, this biased element 16 is helical spring, and helical spring one end is fixed on the spindle arm 141 of master control trigger 14, and the other end props up handle housing 11.

Speed governing trigger 15 comprises: speed-regulating arm 151, speed governing central siphon 152, speed governing trigger piece 153, speed-regulating arm 151, speed governing central siphon 152 be positioned at handle housing 11 resettlement section 112, speed governing trigger piece 153 part is positioned at handle housing 11, speed-regulating arm 151 is connected as a whole with speed governing trigger piece 153 by speed governing central siphon 152.Speed-regulating arm 151 can contact with speed-regulating switch 13 away from one end of speed governing central siphon 152, and second stopper section 154 coordinated with the first stopper section 144 is formed on this end, first stopper section 144 is formed a backstop groove 144a, when the first stopper section 144 coordinates with the second stopper section 154, second stopper section 154 to be partially embedded in backstop groove 144a and to be subject to the backstop power of backstop groove 144a, simultaneously, first stopper section 144 is subject to the anti-backstop power of the second stopper section 154, this anti-backstop power and backstop power are a pair interaction force, and this anti-backstop power is less than now master control trigger 14 relative to the torque that the rotating shaft of master control trigger 14 produces rotates required torque, thus when master control trigger 14 is in off-position, can relatively lock speed governing trigger 15.Speed governing central siphon 152 is sheathed on the speed governing jack-post 112b in resettlement section 112, and circumference can rotate on speed governing jack-post 112b.The relative one end away from speed governing central siphon 152 of speed governing trigger piece 153 is positioned at the outside of handle housing 11, operate for staff, and its relatively away from the free end of speed governing central siphon 152 when speed governing trigger 15 is turned to very fast position by zero speed position from the opposite side of handle gradually near handle portion 111.

Preferably, the part that master control trigger 14 and speed governing trigger 15 expose handle housing 11 lays respectively at the both sides of handle portion 111, just can operate master control trigger 14 and speed governing trigger 15 by a hand so simultaneously.

Preferably, master control trigger piece 143 is greater than speed governing trigger piece 153 one end away from speed governing central siphon 152 to the distance of the central axis of speed governing central siphon 152 away from one end of master control central siphon 142 to the distance of the central axis of master control central siphon 142, compare like this and meet staff design, operate arbitrarily.

Preferably, handle housing 11 is also formed a limit rib 113, this limit rib 113 can limit speed governing trigger 15, speed governing trigger 15 is made to be positioned at zero speed position or no longer away from zero speed position, in other words, when master control trigger 14 is positioned at off-position, speed governing trigger 15 can be made to be limited to zero speed position, no longer move towards the opposite direction near very fast position.

Preferably, the first stopper section 144 is also provided with the first stop surface 144b, the second stopper section 154 is provided with the second stop surface 154a coordinated with the first stop surface 144b.When speed governing trigger 15 is in very fast position or is between zero speed position and very fast position, this second stop surface 154a can prop up the first stop surface 144b all the time, makes master control trigger 14 be locked in conduction position; And when speed governing trigger 15 is in zero speed position, this second stop surface 154a departs from the first stop surface 144b, release master control trigger 14.Like this, master control trigger 14 passes through backstop groove 144a to the effect of the second stopper section 154, speed governing trigger 15 is locked when making master control trigger 14 be in off-position, thus only have when master control trigger 14 first triggers master switch 12 conducting power supply circuits, speed governing trigger 15 just can be made to trigger speed-regulating switch 13 and to carry out speed governing; And speed-regulating switch 13 passes through the second stop surface 154a to the effect of the first stop surface 144b, speed governing trigger 15 is made to trigger speed-regulating switch 13 when being in very fast position or non-zero speed position, master control trigger 14 is locked in conduction position, until when speed governing trigger 15 gets back to zero speed position, master control trigger 14 just can be released and get back to off-position.Therefore, the interlocking structure of master control trigger 14 and speed governing trigger 15 can be passed through, make power supply order meet the break-make order of electric current, protection user.

First connector 3 is at main frame 1 and beat the grass between device 2, for main frame 1 and device 2 of beating the grass are connected into an entirety.Concrete, first connector 3 is a metallic rod extended along the first straight line L direction, and this metallic rod is hollow structure inside, thus the connecting line that power supply and motor can be made to carry out being electrically connected passes from metallic rod inside, such better appearance, and can security performance be improved.

Regulate handle 4 for as the auxiliary handle of operating personnel when using mower 100, the mower 100 of comparatively large for weight like this or longer dimension, the both hands that can realize operating personnel grip the different parts of mower 100 respectively, more laborsaving.In the present embodiment, regulate handle 4 to be arranged on the first connector 3, and can to move along the bearing of trend of the first connector 3, and form between the first connector 3 and be slidably connected, in other words, handle 4 is regulated can to slide along the direction of the first straight line L on the first connector 3.

Concrete, regulate handle 4 to comprise: handle body (figure does not mark) and locked component (figure does not mark), wherein, locked component is for locking or the position of release handle body on the first connector 3.

Handle body comprises: grip frame 41 and clamping part 42, and wherein grip frame 41 and clamping part 42 are integrally formed.Grip frame 41 is " recessed " character form structure, " recessed " grip frame 41 of character form structure comprises: the holding part 412 that the concave part 411 caved inward, employment hold and the connecting portion 413 between holding part 412 and concave part 411 for this, the side away from holding part 412 of concave part 411 is used for stationary gripping part 42, and connecting portion 413 is for connecting holding part 412 and clamping part 42.In the present embodiment, holding part 412 and concave part 411 are no longer in same plane, and in other words connecting portion 413 tilts crossing (as shown in Figure 2) with the first straight line L, and when such people holds holding part 412, arm need not bend, and stretches freely, pleasant.

Clamping part 42 is connected with locked component and the first connector 3, and for clamping the first connector 3, it is positioned at the concave part 411 of grip frame 41.Clamping part 42 comprises a clamping groove 421, and clamping groove 421 is positioned at the outside of grip frame 41.Clamping groove 421 is " U " character form structure, is provided for the first connector 3 along the first straight line L direction through this clamping groove 421.

Locked component comprises: locking piece, cage knob 44, second connector 45 and stop part 46, wherein locking piece can unlock or locked hand body, be specially a switch knob 43, second connector 45 between holding part 412 and the first connector 3 for connecting switch knob 43 and cage knob 44.Second connector 45 is through the both sides of the opening portion of clamping groove 421 " U " font, extend along the second straight line M direction perpendicular to the first straight line L, one end of second connector 45 extend into grip frame 41 inside and is fixedly connected with switch knob 43, the other end is the end of thread, the end of thread stretches out clamping part 42, can be threaded with cage knob 44.

Switch knob 43 is positioned at concave part 411 relatively away from the side of clamping part 42, and this switch knob 43 can be that axle rotates and the distance of first axle and the first connector 3 can be made to change when rotating with first axle.Concrete, switch knob 43 comprises a support portion 431 be rotationally connected with the second connector 45, this support portion 431 is pivotally attached on the second connector 45 by a pivot 47 through the second connector 45, first axle is the bearing of trend of pivot 47 in fact, and this first axle is also parallel to the first straight line L, when support portion 431 props up the side of concave part 411 relatively away from clamping part 42, first axle distance the first connector 3 farthest.In the present embodiment, support portion 431 is a cam structure, and when in this cam structure, distance center farthest props up concave part 411, first axle then apart from the first connector 3 farthest.

Cage knob 44 can rotate with the second axis, and the distance in rotation process between cage knob 44 and first axle changes.Concrete, cage knob 44 is positioned at clamping part 42 relatively away from the side of concave part 411, that is to say the side away from concave part 411 of " U " font being positioned at clamping groove 421, is positioned at the relative both sides of clamping part 42 with switch knob 43.Cage knob 44 inside is also provided with internal thread, by internal thread can at the end of thread place of the second connector 45 relative to the second connector 45 with the second axis for male thread rotates, and cage knob 44 moves towards near the direction of switch knob 43 in rotation process.In the present embodiment, the second axis is the bearing of trend of the second connector 45, and itself and first axle are mutually vertical.

Stop part 46 is arranged in the opening portion of clamping groove 421 " U " font, for coordinating with clamping groove 421, adjustment handle 4 is arranged at the first connector 3.Concrete, stop part 46 comprises two stopper unit 461, each stopper unit 461 comprises: be positioned at the contact site 461a of side and be positioned at the limiting section 461b of opposite side, contact site 461a comprises: contact surface 4611, the outline part of contact surface 4611 and the first connector 3 is fitted, thus coordinates with the sunk part of clamping groove 421 " U " font the outline clamping the first connector 3 in the lump; Limiting section 461b contacts with the second connector 45, formation " U " font draw-in groove 4612 on it, should " U " font draw-in groove 4612 for the second connector 45 clamping.Stop part 46 also comprises: the connector 462 connecting two stopper unit 461, this connector 462 is positioned at the side being provided with limiting section 461b of stopper unit 461, and the cross sectional shape of connector 462 is " U " font.Preferably, connector 462 comprises two, lays respectively at the both sides of " U " font draw-in groove 4612.Thus, by the connection of the connector 462 of this " U " font, make when stop part 46 is subject to the pressure along the second axis direction, two stopper unit 461 are close, thus the contact surface 4611 in two stopper unit 461 can fit tightly with the outline of the first connector 3, realize locking.

Preferably, at the extension first spacing preiection 421a that clamping groove 421 is also inwardly relative in the office, opening portion of " U " font, offset for limit stop part 46.A pair second spacing preiection 411a and the 3rd spacing preiection 411b are also provided with in the side away from clamping part 42 of the concave part 411 of grip frame 41, a pair second spacing preiection 411a are parallel to the skew in first axle direction for limiting switch knob 43,3rd spacing preiection 411b is used for coordinating with the limited impression formed in the inner side of switch knob 43 (scheming not mark), and restriction switch knob 43 is parallel to the skew in first axle direction further.

Preferably, holding part 412 also comprises one user can be made to be hold by one hand handle body while also can contact the operating position of trigger piece 43, in other words, when user is when being hold by one hand holding part 412, this hand also can operate trigger piece 43 simultaneously, thus only uses a hand while operation trigger piece 43 carries out unlocking handle body, also can regulate the position of handle.

When using this adjustment handle 4, first the clamping groove 421 in handle body being sheathed on the first connector 3, then the second connector 45 be fixedly connected with switch knob 43 being passed clamping groove 421, then the end of thread of the second connector 45 that cage knob 44 is screwed on; Then stop part 46 is put into the office, opening portion of " U " font of clamping groove 421, and make itself and the second connector 45 clamping; Finally suitably adjust handle body, after adjustment handle 4 is positioned at the correct position in the first connection, break switch knob 43, thus will the locking position of relative first connector 3 of handle 4 be regulated.When needing to readjust the position regulating handle 4, only need oppositely break switch knob 43 into two with one's hands, i.e. rotatable or mobile adjustment handle 4, when adjusting to correct position, again breaking switch knob 43 can lock again.

In the utility model, regulate handle 4 can move along the bearing of trend of the first connector 3, thus, operating personnel in use, on the one hand, the position that can beat the grass as required is suitably moved and is regulated handle 4, thus more laborsavingly easily the moving head 23 of mower 100 can be extend into the position needing to beat the grass; On the other hand, one holds operating means 10, and another holds and regulates handle 4, the mobile position regulating handle 4 that can be suitable, thus finds the equalization point of mower 100, can stablize labour-saving and hold mower 100 and beat the grass.

In the present embodiment, conveniently receive, the first connector 3 connecting main frame 1 and device 2 of beating the grass also can for comprising: the coupling assembling of first connecting rod 31 and second connecting rod 32, coupling assembling is used for making main frame 1 and device 2 of beating the grass form an entirety.

In the present embodiment, coupling assembling comprises: first connecting rod 31, second connecting rod 32 and joint assembly (figure does not mark).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 first connecting rod 31 and second connecting rod 32 be that axle relatively rotates with hinge axes, this hinge axes perpendicular to the first straight line L direction, and is positioned at the outside of first connecting rod 31 and second connecting rod 32.

Joint assembly comprises: first end parts 33, the second end part 34 and lock assembly (figure does not mark).Wherein first end parts 33 one end be fixedly connected with the free end of first connecting rod 31, the other end and the second end part 34 hinged, one end away from first end parts 33 of the second end part 34 is fixedly connected with the free end of second connecting rod 32, the free end of first connecting rod 31 here refers to its one end away from main frame 1, and the free end of second connecting rod 32 refers to its one end away from device 2 of beating the grass.

Concrete, first end parts 33 comprise the first fixed part 331, first fixed part 331 and are provided with the first screw (figure does not mark), and the second end part 34 comprises the second fixed part 341, second fixed part 341 and is provided with the second screw 341a.Lock assembly is used for locking second connecting rod 32 when second connecting rod 32 goes to the predeterminated position relative to first connecting rod 31, this lock assembly comprises: threaded connector 35, when second connecting rod 32 is positioned at predeterminated position, first screw aims at the second screw 341a, threaded connector 35 precession first screw and the second screw 341a, thus locking first end parts 33 and the second end part 34, and then first connecting rod 31 and second connecting rod 32 all extend along the first straight line L.In the present embodiment, this predeterminated position is first connecting rod 31 and second connecting rod 32 is positioned at collinear position, and threaded connector 35 can be screw.

Like this, when needs are beaten the grass, rotate second connecting rod 32, when second connecting rod 32 turn to be positioned at same straight line with first connecting rod 31 time, precession screw, thus locking second connecting rod 32, now can carry out beating the grass operation; After terminating when beating the grass, when needing to receive mower 100, screw can be screwed out, rotate second connecting rod 32180 degree, second connecting rod 32 is positioned on the another straight line parallel with first connecting rod 31, thus can coupling assembling be shortened, conveniently mower 100 is received, save space.

Device 2 of beating the grass comprises: unit head (figure does not mark) and assembly of beating the grass (figure does not mark), wherein unit head is used for driving and beats the grass assembly, it comprises casing 21 and above-described motor, this motor is brushless electric machine 22, this brushless electric machine 22 comprises: rotor assembly, stator module and output shaft 226, rotor assembly relative stator assembly is positioned at outside, and making this motor is also external rotor electric machine; Assembly of beating the grass comprises: moving head 23, cut-out element 24 and anti-tangle lid 25.

Casing 21 comprises: accommodation section 211 and joins 212, accommodation section 211 and joins 212 one-body molded.Accommodation section 211 is an integrally formed entirety, comprise the outer surface 213 of single-revolution body, a container cavity (figure does not mark) is also formed in the inside of accommodation section, container cavity is the cylinder body cavity of axle centered by the axis of output shaft 226, the chamber wall of cylinder body cavity is continuous and fine and close, and one end of cylinder body cavity is closed, the other end opens wide, for accommodating rotor assembly and stator module, the outside of one end that container cavity is closed also concaves the identified areas 211a that traps out, the protruding 211b of mark that one can identify this product is formed in this identified areas 211a, the protruding 211b of this mark protrudes from identified areas 211a, and the thickness identifying protruding 211b is also less than the vertical range of range marker region 211a outside one end that container cavity closes, in other words identifying protruding 211b does not protrude from outside the closed one end of container cavity, one end that container cavity opens wide is used for making output shaft 226 stretch out container cavity and is connected to moving head 23.Joins 212 is extended to form by accommodation section 211 and the output shaft 226 crossing direction that tilts, and for being connected with coupling assembling in device 2 of beating the grass, can realize mechanical connection on the one hand, realizing the electrical connection of power supply and unit head on the other hand.Preferably, the full-size of accommodation section 211 in the radial direction of output shaft 226 is also less than the full-size of moving head 23 in output shaft 226 radial direction, thus can further protect accommodation section 211 not to be damaged.

Rotor assembly comprises: rotor sleeve 221, magnetic part 222.Rotor sleeve 221 is the cylinder of inner hollow, its to be contained in the container cavity of casing 21 and can relative to container cavity with a pivot axis for axle rotates, and the inwall of the accommodation section 211 of the outer wall of rotor sleeve 221 and casing 21 is close to, and spacing is between the two between 0.5mm to 5mm, preferred spacing is 2mm.Here it should be noted that the inwall of the outer wall of rotor sleeve 221 and the accommodation section 211 of casing 21 be close to refer to rotor sleeve 221 between outer wall and the inwall of accommodation section 211, any parts are not set.Magnetic part 222 comprises multiple, and multiple magnetic part 222 is evenly distributed in circumference on the inwall of rotor sleeve 221.In the present embodiment, can also comprise a rotor cover plate 223 in rotor assembly, for enclosed rotor sleeve 221, understandable, rotor sleeve 221 and rotor cover plate 223 also can be one-body molded.

Stator module is partially accommodated in rotor sleeve 221, and it comprises: stator support 224 and coil block 225.Stator support 224 comprises installation portion 224a, cradle portion 224b, and wherein installation portion 224a is fixedly connected with casing 21 and is arranged in one end opened wide of the container cavity of casing 21.One end place opened wide of the accommodation section 211 of casing 21 is provided with integrally formed department of assembly 211c, department of assembly 211c from the outside of casing 21 along radially outward protruding out perpendicular to pivot axis, department of assembly 211c is provided with one roughly along the pilot hole 211d that the direction (output shaft 226 direction) being parallel to pivot axis extends, this pilot hole 211d is a screwed hole, installation portion 224a is provided with the auxiliary section 224d coordinated with this department of assembly 211c, installation portion 224a can be fixed on casing 21 through this department of assembly 211c and auxiliary section 224d by screw.Cradle portion 224b one end is fixedly connected with installation portion 224a, and the other end extend in rotor sleeve 221, for support coils assembly 225, makes coil block 225 be positioned at rotor sleeve 221.

Output shaft 226 is for being passed to the moving head 23 of beating the grass in assembly by the moment of torsion in unit head.Stator support 224 is provided with an axis hole 224c, this axis hole 224c up/down perforation installation portion 224a and cradle portion 224b, output shaft 226 is through this axis hole 224c.Be subject to the driving of rotor sleeve 221, output shaft 226 can also rotate relative to axis hole 224c in axis hole 224c.In the present embodiment, one end of output shaft 226 is fixedly connected with a rotor cover plate 223, and rotor cover plate 223 is fixedly connected with rotor sleeve 221, thus output shaft 226 can rotate under the driving of rotor sleeve 221.

Moving head 23 is subject to the driving of unit head and pivotable, thus can introduce the moment of torsion of unit head and drive and cut off element 24 and rotate; Cut-out element 24 is rope of beating the grass, and rope of beating the grass is wound around and is installed in moving head 23, and can cut off grass when quick rotation, thus realizes beating the grass function, and understandable, this cut-out element 24 also can be saw blade.Anti-tangle lid 25 is between unit head and moving head 23; anti-tangle lid 25 is formed with protective bulkhead 251 and protection gusset 252; protective bulkhead 251 extends towards the side of moving head 23 at the edge of anti-tangle lid 25; protection gusset 252 is the thin plate that the inner side of several self-insurance retaining walls 251 radially extends internally, this radial direction refer to perpendicular to pivotal axis to and point to the direction of pivot axis.

Preferably, casing 21 adopts aluminum alloy materials to make, and lighter weight just on the one hand, but also can quick heat radiating.

Preferably, the ratio of the power output of unit head and the quality of mower 100 is greater than 500W/kg, can increase the power output of unit head like this while reducing mower 100 quality.

Of the present utility modelly beat the grass in device 2, adopt brushless electric machine 22, and rotor assembly is positioned at the outside of stator module, and unit head can be made to have larger power output, and the volume and weight of the device 2 that can reduce to beat the grass; In addition, adopt brushless electric machine 22, casing 21 can also be made one-body molded, not only can reduce the assembling of casing 21, but also reduce cost; Moreover, be provided with an anti-tangle lid 25 beating the grass in assembly, the probability that moving head 23 is wound around by beaten the grass rope and grass can be reduced, improve the performance of mower 100.

Coupling assembling of the present utility model also has other ways of realization.

Please refer to Figure 17-18, for the coupling assembling in the mower of the second embodiment of the present utility model, in the present embodiment, coupling assembling has identical first connecting rod 31 ', second connecting rod 32 ' with the coupling assembling in the first embodiment, and difference is only: the difference of joint assembly.Below the difference part with the first embodiment in the present embodiment is only introduced.

In the present embodiment, joint assembly comprises: first end parts 33 ', the second end part 34 ' and lock assembly, and wherein, lock assembly comprises: tumbler 35 ', operating parts 36 ' and locating part 37 '.Tumbler 35 ' is a rocking handle, and one end of rocking handle and first end parts 33 ' form and are rotationally connected, and its shaft parallel is in hinge axes; Operating parts 36 ' is a rectangular lock frame, and one end of lock frame is rotationally connected with tumbler 35 ', the other end coordinates with locating part 37 ', and the rotating shaft of operating parts 36 ' is also parallel to hinge axes.Locating part 37 ' is fixed on the second end part 34 ', and locating part 37 ' is provided with the buckling groove 371 ' of energy clamping lock frame.As shown in Figure 18, when rotating clockwise rocking handle, the end that lock frame coordinates with locating part 37 ' snaps fit onto in buckling groove 371 ', thus locking the second end part 34 ', thus 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 ', thus release the second end part 34 ', thus second connecting rod 32 ' can rotate relative to first connecting rod 31 '.

Please refer to Figure 19-20, for the coupling assembling in the mower of the 3rd embodiment of the present utility model, in the present embodiment, coupling assembling and the coupling assembling in the second embodiment have identical first connecting rod 31 ", second connecting rod 32 ", first end parts 33 ", the second end part 34 ", difference be only: the difference of lock assembly.Below the difference part with the first embodiment in the present embodiment is only introduced.

In the present embodiment, lock assembly comprises: tumbler 35 ", operating parts 36 ", locating part 37 " and sliding part 38 ".Wherein tumbler 35 " be a bearing pin, one end of bearing pin and first end parts 33 " be rotationally connected, an also sheathed spring 39 on bearing pin "; Operating parts 36 " be cam trigger piece, one end of cam trigger piece is cam part 361 ", cam part 361 " with rotate 35 " part is rotationally connected; Locating part 37 " be fixed on the second end part 34 " on, it is also provided with and can makes tumbler 35 " locked groove 371 that screws in "; Sliding part 38 " be arranged at tumbler 35 " free end, sliding part 38 " be a packing ring being provided with through hole; lasso is sheathed on tumbler 35 " on, its side props up spring 39 "; at spring 39 ", cam part 361 " effect under, packing ring and tumbler 35 " form and be slidably connected, and the direction of relative sliding is perpendicular to tumbler 35 " rotor shaft direction; and when tumbler 35 " proceed to locked groove 371 " in time, packing ring can be fixed on locked groove 371 " place.As shown in Figure 20, when rotating clockwise cam trigger piece, bearing pin proceeds to locked groove 371 " in; and in cam part 361 " effect under, packing ring is connected in locked groove 371 " and cam part 361 " between, thus locking the second end part 34 ", thus by first connecting rod 31 " and second connecting rod 32 " be locked on same straight line; When rotating counterclockwise cam trigger piece, packing ring and bearing pin depart from locked groove 371 ", thus release the second end part 34 ", thus second connecting rod 32 " can relative to first connecting rod 31 " rotate.

Please refer to Figure 21-23, be the coupling assembling in the mower of the 4th embodiment of the present utility model, the mower of the present embodiment and the difference of the first embodiment are coupling assembling.Below the difference part with the first embodiment in the present embodiment is only introduced.

In the present embodiment, coupling assembling comprises: the first linkage unit 31 ' ' ', the second linkage unit 32 ' ' ', hinge part 33 ' ' ', lock piece 34 ' ' '.First linkage unit 31 ' ' ' comprising: the first tube connector 311 ' ' ', the second linkage unit 32 ' ' ' comprise the second tube connector 321 ' ' '; Hinge part 33 ' ' ' the first linkage unit 31 ' can be made ' ' and the second linkage unit 32 ' ' ' form hinged; Lock piece 34 ' ' ' the first tube connector 311 ' can be locked ' ' and the second tube connector 321 ' ' ' thus their axis of rotation is located along the same line, axis of rotation is the first straight line L direction.In the present embodiment, hinge part 33 ' ' ' be one can perpendicular to the rotation pivot of the first straight line L, and when when the first tube connector 311 ', ' ' and the second tube connector 321 ' ' ' is locked in same straight line, hinge part 33 ' ' ' be positioned at the first linkage unit 31 ' ' ' and the second linkage unit 32 ' ' ' whole interior that forms.

The first end parts 312 ' that concrete, the first linkage unit 31 ' ' ' also comprise and the first tube connector 311 ' ' ' is connected ' ', the second linkage unit 32 ' ' ' comprise and the second tube connector 321 ' ' ' be connected the second end part 322 ' ' '.Hinge part 33 ' ' ' respectively with first end parts 312 ' ' ' and the second end part 322 ' ' ' be connected, and hinge part 33 ' ' ' are perpendicular to the first tube connector 311 ' ' ' plane on be positioned at first end part 312 ' ' ' scope.First end parts 312 ' ' ' on be also fixedly connected with one be provided with externally threaded screw element 35 ' ' ', lock piece 34 ' ' ' be a revolving part, the second end part 322 ' is fixed in one end of revolving part ' ' on, the other end is provided with internal thread and energy opposite thread part 35 ' ' ' screw thread rotation.As shown in figure 22, when opposite thread part 35 ' when precession revolving part ' ', the second end part 322 ' can be locked ' ', thus by the first tube connector 311 ' ' ' and the second tube connector 321 ' ' ' be locked on same straight line; When opposite thread part 35 ' while screwing out revolving part ' ', release the second end part 322 ' ' ', thus second connecting rod can rotate relative to first connecting rod.Understandable, in the present embodiment, first linkage unit 31 ' ' ' also can not comprise first end parts 312 ' ' ', second linkage unit 32 ' ' ' also can not comprise the second end part 322 ' ' ', and directly at the first tube connector 311 ', ' ' and the second tube connector 321 ' ' ' is provided with external screw thread, lock piece 34 ' ' ' for two ends can respectively at the first tube connector 311 ' ' ' and the second tube connector 321 ' ' ' the upper locking sleeve pipe rotated, hinge part 33 ' ' ' directly connection the first tube connector 311 ' ' ' and the second tube connector 321 ' ' '.

More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops on protection domain of the present utility model.

Claims (10)

1. a mower, comprise: main frame and device of beating the grass, described main frame comprises operating means and power source, described device of beating the grass comprises: motor and the assembly of beating the grass driven by described motor, described operating means controls described power source whether for described motor provides power resources, described in assembly of beating the grass at least comprise cut-out element; It is characterized in that:

Described mower also comprises: beat the grass described in connection device and the as a whole coupling assembling of described main frame;

Described coupling assembling comprises:

First connecting rod;

Second connecting rod;

Joint assembly, at least can make described first connecting rod and described second connecting rod be that axle relatively rotates with hinge axes;

Wherein, described first connecting rod at least connect described main frame or described in beat the grass in device one; Described second connecting rod at least connect described main frame or described in beat the grass in device another;

Described joint assembly comprises:

Lock assembly, it at least locks described second connecting rod when described second connecting rod goes to the predeterminated position relative to described first connecting rod.

2. mower according to claim 1, is characterized in that: described hinge axes is positioned at the outside of described first connecting rod and described second connecting rod.

3. mower according to claim 1, is characterized in that: described joint assembly also comprises:

Be arranged on the first end parts of described first connecting rod free end;

Be arranged on the second end part of described second connecting rod free end;

Wherein, described first end parts and described the second end part form hinged.

4. mower according to claim 3, is characterized in that:

Described first end parts comprise: the first fixed part, and described first fixed part is provided with the first screw;

Described the second end part comprises: the second fixed part, and described second fixed part is provided with the second screw;

Described lock assembly comprises: threaded connector;

Wherein, when described second connecting rod goes to the predeterminated position relative to described first connecting rod, described first screw aims at described second screw; Described threaded connector locks described first end parts and described the second end part by the first screw described in precession and described second screw.

5. mower according to claim 3, is characterized in that:

Described lock assembly comprises:

The tumbler be rotationally connected with described first end parts,

The operating parts be rotationally connected with described tumbler,

Described the second end part is provided with the locating part that can coordinate with described operating parts.

6. mower according to claim 5, is characterized in that:

Described tumbler is with the rocking handle of the axis of rotation of parallel described hinge axes;

Described operating parts is with the lock frame of another axis of rotation of parallel described hinge axes;

Described locating part is provided with the buckling groove locking edge edge described in energy clamping.

7. mower according to claim 5, is characterized in that:

Described joint assembly also comprises:

Be arranged on the sliding part of described tumbler free end;

Described sliding part and described tumbler structure are slidably connected, and the direction of their relative slidings is perpendicular to the rotor shaft direction of described tumbler.

8. mower according to claim 7, is characterized in that:

Described tumbler is an axle, and its one end is rotationally connected to described first end parts;

Described sliding part is the packing ring being provided with through hole, and described tumbler is through this packing ring;

Described operating parts is be rotationally connected the cam trigger piece to the described tumbler other end, and one end that described cam trigger piece is connected with described tumbler is cam part;

Described locating part is provided with and described tumbler can be made to screw in and can block the locked groove of described sliding part.

9. a mower, comprise: main frame and device of beating the grass, described main frame comprises operating means and power source, described device of beating the grass comprises: motor and the assembly of beating the grass driven by described motor, described operating means controls described power source whether for described motor provides power resources, described in assembly of beating the grass at least comprise cut-out element; It is characterized in that:

Described mower also comprises: beat the grass described in connection device and the as a whole coupling assembling of described main frame;

Described coupling assembling comprises:

First linkage unit, it comprises the first tube connector;

Second linkage unit, it comprises the second tube connector;

Described first linkage unit and described second linkage unit is made to form hinged hinge part;

Lock described first tube connector and described second tube connector makes their axis of rotation be positioned at collinear lock piece;

Described hinge part is positioned at the inside of the entirety of described first linkage unit and described second linkage unit formation when described first tube connector and described second tube connector are locked in same straight line.

10. mower according to claim 9, is characterized in that:

Described hinge part directly connects described first tube connector and described second tube connector; Described first tube connector and described second tube connector are equipped with external screw thread, and described lock piece is for establishing female locking sleeve pipe;

Or,

Described first linkage unit also comprises the first end parts being arranged at described first tube connector end;

Described second linkage unit also comprises the second end part being arranged at described second tube connector end;

Described first end parts and described the second end part form hinged by described hinge part, and described hinge part is positioned at the scope of described first end parts in the plane perpendicular to described first tube connector;

Described first end parts are fixedly connected with and are provided with externally threaded screw element, described lock piece is that one end is fixed on described the second end part, the other end establishes female revolving part.