CN105075493B - Grass-mowing machine - Google Patents

Abstract

The present invention provides a kind of grass-mowing machine, and the motor rotated including extending bar assembly, moving head, handle, the driving moving head controls the switch of the motor.The moving head includes the drum for line of beating the grass to be arranged, the grass-mowing machine further includes manual payingoff mechanism, the manual payingoff mechanism includes the operating parts independently of the switch, the driving member controlled by the operating parts, the driving device to drive line of beating the grass described in the drum release is driven as the driving member, the bar assembly that extends includes the first extension rod and the second extension rod for being movably connected on first extension rod that lengthwise extends, the handle is set to first extension rod, the moving head is set to second extension rod, first and second extension rod is equipped with inner cavity, the driving member basic setup is in the inner cavity of first and second extension rods.Grass-mowing machine of the invention not only can be reduced the loss for line of beating the grass, and packaging volume is smaller.

Description

Grass-mowing machine

Technical field

The present invention relates to a kind of garden instrument more particularly to a kind of grass-mowing machines.

Background technique

Green vegetation is a kind of essential environmental element of our mankind, and the consciousness of greening becomes more and more popular.Nothing By being golf course, football pitch, villa garden, the courtyard of villa or common residential area, green turf is ubiquitous, gives People's lives bring life and vigor.But if having left arranging for people, these turfs can become height and rise and fall, be mixed and disorderly Without chapter.

Grass-mowing machine is as a kind of garden instrument for arranging turf, the just favor by more and more users.Grass-mowing machine is general By driving beat the grass line rotation be allowed to beat the grass, generally include lengthwise extension extension rod, set on extension rod one end moving head, set In the motor on extension rod and with the handle of moving head setting spaced apart, driving moving head rotation, moving head includes receiving Drum is arranged between holding seat and lid in holder and the lid of holding seat mating, and line of beating the grass is wrapped on drum and from receiving It is stretched out on seat.When work, moving head is driven to rotate drive and beats the grass line locking rotation to beat the grass.

Since line of beating the grass rotates and beat the grass, line end of beating the grass is very easy to abrasion, and the line of beating the grass after abrasion is not achieved Required radius of beating the grass, efficiency of beating the grass substantially reduce.To solve the above problems, needed on grass-mowing machine setting payingoff mechanism, so as to Suitable opportunity adjusts the length that line of beating the grass stretches out holding seat.

There are two types of common payingoff mechanisms, and one is switching on and shutting down automatic paying-out mechanisms, as its name suggests, switching on and shutting down payingoff mechanism In each startup and shutdown can automatic unwrapping wire, can all be put without additional operation, but just because of each startup and shutdown Line, line loss of beating the grass consumption are very serious.Another kind is manual payingoff mechanism, including the operating parts operated for operator, by operating parts The wirerope on extension rod is controlled and be movably set in, the driving device to drive drum to discharge line of beating the grass is driven by wirerope. Operator achieves that the manual unwrapping wire of drum by operating operating parts, but in order to meet operating comfort, extension rod is usually all It is made very long, so substantially increases the packaging volume of grass-mowing machine, it is not only not convenient for transportation, and improve transportation cost.

Summary of the invention

To overcome the shortcomings of existing technologies, first technical problem to be solved by this invention is to provide one kind and not only reduces Line loss of beating the grass consumption and the lesser grass-mowing machine of packaging volume.

In order to solve the above technical problems, first technical solution of the invention is:

A kind of grass-mowing machine, including extend bar assembly, set on it is described extend bar assembly one end moving head, be set to the extension Around rotation axis rotation in bar assembly and with the handle of moving head setting spaced apart, the driving moving head Motor controls the switch of the motor.The moving head includes the drum for line of beating the grass to be arranged, and the grass-mowing machine further includes hand Dynamic payingoff mechanism, the manual payingoff mechanism include operating parts independently of the switch, the transmission that is controlled by the operating parts Part, the driving device that line of beating the grass described in the drum release is driven as driving member drive, the extension bar assembly include The first extension rod and be movably connected on the second extension rod of first extension rod that lengthwise extends, the handle are set to described the One extension rod, the moving head are set to second extension rod, and first and second extension rod is equipped with inner cavity, the transmission Part basic setup is in the inner cavity of first and second extension rods.

Compared with prior art, grass-mowing machine of the invention includes manual payingoff mechanism, which passes through independence In the operating parts control of switch setting, the waste of each switching on and shutting down all unwrapping wire is avoided, to reduce the loss for line of beating the grass；And Extend bar assembly and be set as the first and second extension rods being mutually flexibly connected, when transporting or storing grass-mowing machine, makes the first He Relative movement is generated between second extension rod, to greatly reduce the packaging volume of grass-mowing machine.

Preferably, first and second extension rod has the first position being mutually coupled and the second mutually disengaged It sets.

Preferably, using threaded connection between first and second extension rod.

Preferably, first extension rod is equipped with electrode slice, and second extension rod is equipped with electric wire, first extension rod When being coupled with the second extension rod, the electrode slice is electrically connected with the electric wire.

Preferably, the driving member includes the first driving section connecting with the operating parts and is driven relative to described first Second driving section of portion's activity setting, second driving section is connected with the driving device.

Preferably, when first extension rod and the second extension rod are mutually coupled, first driving section and the second transmission Portion is mutually coupled, when first extension rod and the second extension rod mutually disengage, first driving section and the second driving section phase Mutually disengage.

Preferably, the manual payingoff mechanism further includes set on the mating between first driving section and the second driving section Device, the match connecto include the counterpart connecting in first extension rod and with first driving section, are set to Sliding part connect in second extension rod and with second driving section, the sliding part can with counterpart mating or It disengages.

Preferably, the match connecto further includes being set to first extension rod for promoting the counterpart and sliding part The actuation means of mating operate the operating parts, pass through so that first driving section be made to link together with the second driving section First driving section, the direction for driving second driving section to the close operating parts is mobile, to drive the driving to fill It sets the driving drum and discharges line of beating the grass.

Preferably, the actuation means include the cyclic annular pedestal being fixed in first extension rod, the ring-type seat Body includes the second part that first part and internal diameter are less than the first part, and the counterpart can be by operatively along described first The extending direction of extension rod is moved to the second position to the direction close to the operating parts from first position, when first position, institute It states counterpart and the sliding part to disengage, when the second position, the second part promotes the counterpart to match with the sliding part It connects.

Preferably, the match connecto further includes being set between the counterpart and first extension rod for promoting institute State the first elastic component that counterpart and sliding part disengage.

Preferably, the match connecto further includes the sliding block for being movably disposed in the cyclic annular pedestal, first transmission Portion is connected to the sliding block, and the counterpart pivot is set to the sliding block, first elastic component be set to the counterpart with Between the sliding block.

Preferably, the match connecto further includes between the sliding block and the cyclic annular pedestal for promoting the cunning The block tensioning apparatus mobile to the direction far from the operating parts.

Preferably, the tensioning apparatus includes the second elastic component between the cyclic annular pedestal and sliding block.

Preferably, the actuation means include the cause for being movably arranged at first extension rod and abutting against with the counterpart When moving part and impeller set on second extension rod, first extension rod and the second extension rod are coupled, the impeller The actuated piece is pushed to move, the actuated piece promotes the counterpart and the sliding part to be coupled.

Preferably, the actuated piece is connect with first extension rod, and keeps the first extension rod and the second extension rod mutual Mating.

Preferably, the actuated piece movement is coupled to first extension rod.

Preferably, extending direction of the moving direction of the actuated piece perpendicular to first extension rod.

Preferably, the match connecto further includes being set between the counterpart and first extension rod for promoting institute State the holding meanss that counterpart and sliding part disengage.

Preferably, the holding meanss include Flexible element.

Preferably, the Flexible element is torsional spring.

Preferably, the match connecto further includes being set between the counterpart and first extension rod for promoting institute State the counterpart tensioning apparatus mobile to the direction far from the operating parts.

Preferably, the tensioning apparatus includes elastic element.

Preferably, the elastic element is set as pressure spring, lengthwise extending direction of the pressure spring along first extension rod Arrangement.

Preferably, the counterpart is pivotable relative to first extension rod.

Preferably, first extension rod is scalable relative to the second extension rod.

Preferably, the manual payingoff mechanism further includes the pulley assembly in the extension bar assembly, the transmission Part is set to the pulley assembly.

Preferably, the pulley assembly include be fixed at first extension rod fixed pulley and with the operating parts The movable pulley that is connected and can operatively be moved along the extending direction of first extension rod, the movable pulley is more than fixed pulley Close to the operating parts, the driving member is sheathed on the fixed pulley and the movable pulley outer rim, and the driving member includes fixing It is connected to the fixing end of second extension rod and is connected to the movable end of the driving device, and the fixing end is positioned at described Between fixed pulley and movable pulley.

Preferably, the diameter of the fixed pulley is less than the diameter of the movable pulley.

Preferably, one of the outer rim tangent line between the fixed pulley and movable pulley is parallel to the extension of first extension rod Direction.

Preferably, the manual payingoff mechanism further includes being set between the movable pulley and first extension rod for making The resetting apparatus that the movable pulley resets.

Preferably, the resetting apparatus includes the second pressure spring.

Preferably, the driving member is flexible drive axle.

Second technical problem to be solved by this invention is to provide a kind of simply and easily grass-mowing machine application method.

In order to solve the above technical problems, second technical solution of the invention is:

A kind of application method of grass-mowing machine, the grass-mowing machine include the first extension rod and be movably connected on institute that lengthwise extends State the first extension rod the second extension rod, set on first extension rod handle, be set to second extension rod far from first The switch of motor, the control motor that the moving head, the driving moving head of extension rod one end are rotated around rotation axis, institute Stating moving head includes the drum for line of beating the grass to be arranged, and the grass-mowing machine further includes manual payingoff mechanism, the manual paying out machine Structure includes controlling independently of the operating parts of the switch, by the operating parts and being set to first and second extension rod inner cavity Driving member, the driving device that line of beating the grass described in the drum release is driven as driving member drive, the application method packet It includes following steps: first extension rod and the second extension rod is coupled, operate the operating parts, described in the driving member drives Driving device drives line of beating the grass described in the drum release.

Compared with prior art, the first extension rod and the second extension rod are coupled grass-mowing machine of the invention, so that it may operation behaviour Workpiece makes driving member that driving device driving drum be driven to discharge line of beating the grass.Therefore it operates very simply, conveniently.

Preferably, the driving member includes the first driving section and the second transmission being flexibly connected with first driving section Portion, the application method further comprises following steps: after first extension rod and the mating of the second extension rod, then operating institute Operating parts is stated to pull first driving section, first driving section and the second driving section is made to link together.

Preferably, the driving member includes the first driving section and the second transmission being flexibly connected with first driving section Portion, the application method further comprises following steps: after first extension rod and the mating of the second extension rod, described first Driving section and the second driving section link together.

Preferably, first extension rod is equipped with electrode slice, and second extension rod is equipped with electric wire, first extension rod When being coupled with the second extension rod, the electrode slice is electrically connected with the electric wire.

Detailed description of the invention

The invention will be further described with embodiment with reference to the accompanying drawing.

Fig. 1 is the perspective view that the grass-mowing machine that first embodiment of the invention provides removes side casing at moving head；

Fig. 2 is the complete machine diagrammatic cross-section for the grass-mowing machine that first embodiment of the invention provides；

Fig. 3 is the enlarged diagram of the first, second extension rod of grass-mowing machine shown in Fig. 2 junction, at this time the first extension rod It is disengaged with the second extension rod, the first driving section and the second driving section disengage；

Fig. 4 is the enlarged diagram of the first, second extension rod of grass-mowing machine shown in Fig. 2 junction, at this time the first extension rod Cooperate with the second extension rod, the first driving section is in the free state of non-pulling, and the first driving section and the second driving section disengage；

Fig. 5 is the enlarged diagram of the first, second extension rod of grass-mowing machine shown in Fig. 2 junction, at this time the first extension rod Cooperate with the second extension rod, the first driving section is in and is pulled state, and the second driving section does not generate movement, the first driving section and the The mating of two driving sections；

Fig. 6 is the enlarged diagram of the first, second extension rod of grass-mowing machine shown in Fig. 2 junction, at this time the first extension rod Cooperate with the second extension rod, the first driving section and the second driving section are coupled, and the first driving section is in and is pulled state and makes second Driving section is moved a certain distance relative to the second extension rod to carry out unwrapping wire；

Fig. 7 is the enlarged cross-sectional view for the first, second extension rod of grass-mowing machine junction that second embodiment of the invention provides, The first extension rod and the second extension rod disengage at this time, and the first driving section and the second driving section disengage；

Fig. 8 is the enlarged cross-sectional view for the first, second extension rod of grass-mowing machine junction that second embodiment of the invention provides, The first extension rod and second extends bar part cooperation at this time, and actuated piece is not pushed, and the first driving section and the second driving section disengage；

Fig. 9 is the enlarged cross-sectional view for the first, second extension rod of grass-mowing machine junction that second embodiment of the invention provides, The first extension rod is coupled completely with the second extension rod at this time, and actuated piece is pushed, and the first driving section and the second driving section are coupled, the One driving section is in the free state of non-pulling,；

Figure 10 is the enlarged section for the first, second extension rod of grass-mowing machine junction that second embodiment of the invention provides Figure, the first extension rod is coupled completely with the second extension rod at this time, and the first driving section and the second driving section are coupled, at the first driving section In the state that is pulled and move a certain distance the second driving section to carry out unwrapping wire relative to the second extension rod；

Figure 11 is the enlarged section for the first, second extension rod of grass-mowing machine junction that third embodiment of the invention provides Figure, the second extension rod is in extended position relative to the first extension rod at this time, and movable pulley is in free state；

Figure 12 is the enlarged section for the first, second extension rod of grass-mowing machine junction that third embodiment of the invention provides Figure, the second extension rod is in the indented position relative to the first extension rod at this time, and movable pulley is in free state；

Figure 13 is the enlarged section for the first, second extension rod of grass-mowing machine junction that third embodiment of the invention provides Figure, the second extension rod is in the indented position relative to the first extension rod at this time, and movable pulley is in and is pulled state, and driving member is by band It is dynamic to move a certain distance relative to the second extension rod to carry out unwrapping wire.

Wherein,

15, extend bar assembly 64, first end 116, open end

22, moving head 66, second end 118, middle part

23, main handle 68, the first lug boss 120, internal screw thread

24, assist handle 70, the first stopper section 124, angle

26, motor 72, the first cyclic annular pedestal 126, elastic component

27, switch 74, first part 127, the second pillar

28, holding seat 76, second part 128, the second cyclic annular pedestal

30, lid 80, the first elastic component 129, elastic component

32, drum 82, the first sliding block 130, the first extension rod

34, line 84 of beating the grass, pillar 132, the second extension rod

36, rotary shaft 86, the first mating part 133, driving member

38, battery pack 88, the second mating part 134, fixed pulley

40, operating parts 90, the second elastic component 136, movable pulley

41, driving member 92, inner cavity 140, fixing end

42, driving device 94, limiting section 142, movable end

43, lever 96, the first extension rod 146, outer rim tangent line

46, the first extension rod 98, the second extension rod 150, moving pulley bracket

47, electrode slice 100, the first driving section 152, limiting section

48, the second extension rod 102, the second driving section 154, control piece

49, electric wire 104, the second counterpart 156, elastic component

50, external screw thread 105, the second sliding block 158, mounting base

52, internal screw thread 106, the second sliding part 160, cavity

54, first sleeve 108, actuated piece 162, butting section

56, second sleeve 110, third casing 200, grass-mowing machine

57, the first driving section 111, external screw thread

58, the second driving section 112, impeller

60, the first counterpart 114, connecting pin

62, the first sliding part

Specific embodiment

As depicted in figs. 1 and 2, the grass-mowing machine 200 of the present embodiment includes extending bar assembly 15, being set to extension bar assembly 15 1 The moving head 22 at end, set on extend bar assembly 15 on and with the handle of the setting spaced apart of moving head 22, driving moving head 27. moving head 22 of switch of 22 motors 26 rotated around rotation axis, control motor 26 includes for line 34 of beating the grass to be arranged Drum 32, in addition in the present embodiment, moving head 22 further includes holding seat 28, the lid 30 being coupled with holding seat 28, drum 32 sets It sets between holding seat 28 and lid 30, the line 34 that will beat the grass is wrapped on drum 32 and stretches out from holding seat 28.

When grass-mowing machine 200 works, moving head 22 is driven by motor 26 to be rotated, and the rotation of line 34 of beating the grass is driven to form cut surface. Grass-mowing machine 200 is lifted the line 34 that makes to beat the grass by handle and beaten the grass along the cut surface that its rotation is formed by user.

For convenience of description, " axial direction " of this specification, " circumferential direction " and other descriptions relevant to orientation are with moving head 22 rotation axis is reference.If " axial direction " is the extending direction along the rotation axis of moving head 22；" circumferential direction " is around moving head The direction of 22 rotation axis.

In the present embodiment, the motor 26 of moving head 22 and moving head 22 is driven to be coaxially disposed, more preferably, the output of motor 26 Axis directly drives moving head 22, i.e. the rotary shaft 36 of moving head 22 output shaft that is motor 26, simple and compact for structure.This field skill Art personnel extend the other anywhere and by specific driver of bar assembly 15 it is contemplated that also motor 26 can be arranged in The structure driving rotation of moving head 22 also may be used.

In the present embodiment, extends bar assembly 15 far from one end of moving head 22 and is provided with power source, specially battery pack 38, Preferably lithium battery pack.Power source and moving head 22 are respectively arranged on the both ends for extending bar assembly 15 as a result, and handle is located at extension The position of the relatively close power source in the middle section of bar assembly 15, so that 200 center of gravity of entire grass-mowing machine is rationally distributed, operator passes through hand Handle lifts can be more laborsaving when grass-mowing machine 200 works.

As depicted in figs. 1 and 2, grass-mowing machine 200 further includes manual payingoff mechanism, and manual payingoff mechanism includes independently of switch The operating parts 40 of 27 settings, the driving member 41 controlled by operating parts 40 are driven by driving member 41 to drive the release of drum 32 to beat the grass The driving device 42 of line 34.

In the present embodiment, operating parts 40 is arranged adjacent to the grip part of handle.The grip part of handle refers to be operated on handle The part that person holds with a hand.Operating parts is arranged adjacent to the grip part of handle, and operator, which can be in one's hands, controls behaviour while stopping handle Workpiece 40 and unwrapping wire, it is easy to operate without interrupting the work of grass-mowing machine 200.Certain operating parts also can be set in grass-mowing machine 200 Other positions on.

Since the manual payingoff mechanism is by the control of operating parts 40 independently of switch 27, booting all unwrapping wire every time are avoided Waste, to reduce the loss of line of beating the grass.

Preferably, driving member 41 is flexible drive axle 41, specifically, driving member 41 is steel wire.Preferably, flexible drive axle 41 are contained in substantially in extension bar assembly 15, can protect flexible drive axle 41, to extend the service life of flexible drive axle 41.It is soft Property transmission shaft 41 be contained in substantially extend bar assembly 15 in refer to the major part of flexible drive axle 41 be contained in extend bar assembly 15 Interior, at least there are also parts can be contained in the casing near moving head for flexible drive axle.In addition, the part being connect with operating parts Flexible drive axle, which may be exposed at, to be extended outside bar assembly, and certainly, this partially flexible transmission shaft can also be contained in assist handle and prolong In boom component.It may occur to persons skilled in the art that other driving members, such as other wires, plastic tape or litzendraht wire also may be used. It is all to be included within the scope of protection of the present invention using the technical solution similar with the present embodiment.

In the present embodiment, handle includes the main handle 23 and assist handle 24 of setting spaced apart, and switch 27 is arranged On main handle 23, operating parts 40 is similarly disposed on main handle 23.So set, operator only need to be by operating main handle 23 On switch 27 and operating parts 40 beat the grass work and unwrapping wire are carried out with regard to controllable grass-mowing machine 200.Certainly, switch 27 and operating parts 40 It can also be separately positioned on main handle 23 and assist handle 24, the operation of switch 27 and operating parts 40 in this way is non-interference.Operation Person is when controlling the work of grass-mowing machine 200 by assist handle 24, it is desirable to, only need to be in nondominant hand when carrying out payoff operation to drum 32 It takes advantage of a situation on handle 24 and controls operating parts 40, the working condition without changing grass-mowing machine 200 will not interrupt grass-mowing machine 200 Work of beating the grass, easy to operate, this advantage becomes apparent from when grass-mowing machine 200 is in deburring state.Certainly, operating parts 40 is arranged In the other positions of grass-mowing machine 200, be such as arranged in extend in bar assembly 15 at the position of main handle or assist handle or Be arranged on main handle with switch gap certain distance also can, as long as operator can be lifted grass-mowing machine 200 by handle and is allowed to Operating parts can also be controlled while beating the grass.It is all to be covered using the technical solution similar with the present embodiment in the present invention Protection scope in.

Driving device 42 includes the lever 43 controlled by operating parts 40 that is connected with driving member 41.Lever 43 drives drum 32 between the first state and a second state along the axial movement of the rotation axis of moving head 22.In first state, drum 32 with 28 synchronous rotary of holding seat；It is poor that rotation speed is generated between the second state, drum 32 and holding seat 28.

In first state, drum 32 and 28 synchronous rotary of holding seat, beat the grass line 34 and the holding seat being wrapped on drum 32 28 synchronous rotaries, the part rotation that line 34 of beating the grass stretches out holding seat 28 can beat the grass, can trim to lawn.

In the second state, drum 32 and holding seat 28 are detached from, and the centrifugal force of line 34 of beating the grass rotation drives drum 32 and receiving Seat 28 generates relative motion, to generate, rotation speed is poor, and then the centrifugal force for line 34 of beating the grass can pull it to throw away one outward Divide and realize unwrapping wire, i.e., longer 34 free end of line of beating the grass is stretched out outside holding seat 28, and grass-mowing machine 200 is made to have bigger beat the grass partly Diameter.

Extending bar assembly 15 includes the first extension rod 46 and be movably connected on the second of the first extension rod 46 that lengthwise extends Extension rod 48, handle are set to the first extension rod 46, and moving head 22 is set to the second extension rod 48, and the first extension rod 46 and second extends Bar 48 is equipped with inner cavity, and 41 basic setup of driving member is in the inner cavity of the first extension rod 46 and the second extension rod 48.In this way, first prolongs Using being flexibly connected between boom 46 and the second extension rod 48, when transporting and storing grass-mowing machine 200, the second extension rod 48 can be made It is moved relative to the first extension rod 46, to reduce the volume of grass-mowing machine, to substantially reduce the packaging and storage body of grass-mowing machine 200 Product reduces packaging, transportation cost and saves parking space.

With further reference to Fig. 3 to Fig. 6, it is preferred that the first extension rod 46 and the second extension rod 48 have the be mutually coupled One position and the second position mutually disengaged.In this way, the first extension rod 46 and the second extension rod 48 are mutually when using grass-mowing machine Mating, operates operating parts 40 at this time, and driving member 41 drives driving device 42 that drum is driven to discharge line of beating the grass.To be mentioned for operator High operation height, it is man-machine to substantially improve operation.And when to transport and store grass-mowing machine, make the first extension rod 46 and second Extension rod 48 mutually disengages, and places in this way, the first extension rod 46 and the second extension rod 48 can be made to be overlapped, beats the grass to substantially reduce The packaging and storage volume of machine, and then reduce packaging, transportation cost and save parking space.

Further, using being threadedly coupled between the first extension rod 46 and the second extension rod 48, so set, structure is simple Single, cost is relatively low.External screw thread 50 is set on first extension rod 46, is arranged in being coupled with external screw thread 50 on the second extension rod 48 Screw thread 52.Internal screw thread 52 is coupled with external screw thread 50 so that the first extension rod 46 and the second extension rod 48 link together；Internal screw thread 52 disengage mating so that the first extension rod 46 and the second extension rod 48 mutually disengage with external screw thread 50.Correspondingly, internal screw thread 52 It may be disposed on the first extension rod 46, the external screw thread 50 that can be coupled with internal screw thread 52 is set on the second extension rod 48.

First extension rod 46 is equipped with electrode slice 47, and the second extension rod 48 is equipped with electric wire 49, and the first extension rod 46 prolongs with second When boom 48 is coupled, electrode slice 47 is electrically connected with electric wire 49.To realize being electrically connected between battery pack 38 and motor 26, carry out It beats the grass work.

For convenience of manufacturing and installing, first sleeve 54 is fixedly installed on the first extension rod 46, external screw thread 50 is set to first On sleeve 54.It can be rotatably set second sleeve 56 on second extension rod 48, internal screw thread 52 is set to 56 inside of second sleeve.Such as This, only need to rotate the second casing rotates it relative to the second extension rod 48, while internal screw thread 52 and external screw thread 50 is coupled just The first extension rod 46 can be achieved and the second extension rod 48 links together.The second extension rod 48 can't be made to extend relative to first Bar 46 rotates, so that it is easy for installation, it is laborsaving.

Driving member 41 includes the first driving section 57 and the second driving section 58 being arranged relative to 57 activity of the first driving section, the When one extension rod 46 and the second extension rod 48 are mutually coupled, the first driving section 57 and the second mutually mating of driving section 58, first prolongs When boom 46 and the second extension rod 48 mutually disengage, the first driving section 57 and the second driving section 58 are mutually disengaged.In this way, first prolongs When boom 46 and the mating of the second extension rod 48, the first driving section 57 and the second driving section 58 are mutually coupled, grass-mowing machine can be beaten Grass work, and operating parts 40 can be operated, to drive driving device 42 that the release of drum 32 is driven to beat the grass line (referring to figure by driving member 2).And the first extension rod 46 and the second extension rod 48 mutually disengage, when the first driving section 57 and the second driving section 58 mutually disengage, Convenient for storing and transporting grass-mowing machine.

Manual payingoff mechanism further includes set on the match connecto between the first driving section 57 and the second driving section 58, with tipping It sets including being set to the first counterpart 60 connecting in the first extension rod 46 and with the first driving section 57, is set in the second extension rod 48 And the first sliding part 62 connecting with the second driving section 58, the first sliding part 62 can be coupled or disengage with the first counterpart 60.

First driving section, 57 one end and operating parts 40 (referring to fig. 2) are matched, and the other end and the first counterpart 60 are matched. Second driving section, 58 one end and driving device 42 (referring to fig. 2) are matched, and the other end and the first sliding part 62 are matched.

In the present embodiment, the first counterpart 60 relative to the first extension rod 46 pivotably, thus with the first sliding part 62 It is pivoted between mating or the position disengaged.Certainly, the first counterpart 60 also can be set into mobile relative to the first extension rod 46, It is coupled or disengages with the first sliding part 62 as long as being able to achieve.

First sliding part 62 is movably disposed in the second extension rod 48, one end of the second driving section 58 and the first sliding part 62 are fixedly connected, and the other end and driving device 42 of the second driving section 58 are matched.

First counterpart 60 includes opposite with the first end 64 of the first driving section 57 of driving member mating and first end 64 Second end 66, second end 66 have the first lug boss 68, and the first sliding part 62 has the first stopper section 70, and the first lug boss 68 can Operatively by 70 backstop of the first stopper section or disengagement, so that the first driving section 57 and the second driving section 58 be made to be coupled or disengage.

Match connecto further includes being set to the first extension rod 46 for promoting the first counterpart 60 and the first sliding part 62 to be coupled The first actuation means.First actuation means include the first cyclic annular pedestal 72 being fixed in the first extension rod 46, the first ring Shape pedestal 72 includes the second part 76 that first part 74 and internal diameter are less than first part 74, when the first counterpart 60 is from first Divide 74 to when the movement of second part 76, second part 76 promotes the first counterpart 60 and the first sliding part 62 to be coupled.To by the One driving section 57 and the second driving section 58 link together.

In the present embodiment, after the first extension rod 46 and the mating of the second extension rod 48, need to operate operating parts 40, to pull the One driving section 57 makes the first driving section 57 link together with the second driving section 58.Such as Fig. 4 and Fig. 5, specifically, pull operation Part 40 (referring to fig. 2) is so that the mistake that the first driving section 57 drives the first counterpart 60 mobile from first part 74 to second part 76 Cheng Zhong, because the internal diameter of second part 76 is less than the internal diameter of first part 74, so that the first counterpart 60 be promoted to prolong to close to first The extension axis of boom 46 pivots, finally, the first lug boss 68 of the first counterpart 60 and the first backstop of the first sliding part 62 Portion 70 is matched, so that the first driving section 57 and the second driving section 58 be linked together.As shown in fig. 6, at this point, pulling on First driving section 57, so that it may which the second driving section 58 moves a certain distance H1 relative to the second extension rod 48, thus the second driving section 58 drive driving devices 42 are to drive the release of drum 32 to beat the grass line (referring to fig. 2).

Further, electrode slice 47 is set to the first cyclic annular pedestal 72, in this way, making grass-mowing machine compact-sized.

Match connecto further includes protecting set on the first holding meanss between the first counterpart 60 and the first extension rod 46, first Device is held for promoting the first counterpart 60 and the first sliding part 62 to disengage.In this way, the first driving section 57 and second may make to pass Mating or disengagement repeatedly can be achieved between dynamic portion 58, so that having further facilitated user stores grass-mowing machine.

First holding meanss include Flexible element.Flexible element includes the first elastic component 80, it is preferred that the first elastic component is set It is set to torsional spring 80.Certainly, Flexible element may be set to be other elastic components such as pressure spring, tension spring.

Further, the first sliding block 82 is equipped between the first counterpart 60 and the first extension rod 46, the first sliding block 82 is opposite Removable in the first extension rod 46, the first elastic component is set between the first counterpart 60 and the first sliding block 82.And first driving section 57 are connected to the first sliding block 82.

As shown in figure 4, in the present embodiment, the first counterpart 60 includes the first mating part 86 and the second mating part 88, first Sliding block 82 is equipped with the first pillar 84.First mating part 86 and the second mating part 88, which pivot, to be set on the first pillar 84, torsional spring 80 are also arranged on the first pillar 84, and one end of torsional spring 80 leans with the first mating part 86, the other end of torsional spring 80 and Two mating parts 88 lean.In a free state, torsional spring 80 makes the first mating part 86 and the second mating part for first driving section 57 88 separate larger angle, so that the first counterpart 60 and the first sliding part 62 be made to keep disengaging.When pull the first driving section 57, because The internal diameter of second part 76 is less than the internal diameter of first part 74, so that the first mating part 86 and the second mating part 88 be promoted to overcome torsion The elastic force of spring 80 is pivoted to the extension axis close to the first extension rod 46, finally, the first counterpart 60 and the first sliding part 62 It is matched, so that the first driving section 57 and the second driving section 58 be linked together.

In addition, the first counterpart 60 also can be set into only include a mating part, at this time one end of torsional spring 80 with it is above-mentioned Mating part against, the other end and the first sliding block 82 or the first extension rod 46 against.

Certainly, elastic component also can be set into the first counterpart 60, when pulling the first driving section 57, because of second part 76 Internal diameter is less than the internal diameter of first part 74, and the first counterpart 60 is deformed to the extension axis pivot close to the first extension rod 46 Turn, finally, the first counterpart 60 and the first sliding part 62 are matched, so that the first driving section 57 be connect with the second driving section 58 Together.When the first driving section 57 of release is at free state, the first counterpart 60 restores deformation, to slide with first Moving part 62 disengages.It may occur to persons skilled in the art that other the first counterparts of type 60, as long as can operationally be slided with first The mating of moving part 62 disengages.It is all to be included within the scope of protection of the present invention using the technical solution similar with the present embodiment.

Match connecto further includes being set between the first counterpart 60 and the first extension rod 46 for making the first sliding block 82 to remote First tensioning apparatus of the direction movement from operating parts 40 (referring to fig. 2).So that driving member has driving device 42 Effect control.

First tensioning apparatus includes elastic element, and elastic element includes the second elastic component 90.Preferably, the second elastic component 90 It is set as pressure spring 90, pressure spring 90 is arranged along the lengthwise extending direction of the first extension rod 46.Certainly, the second elastic component 90 can also be set It is set to the elastic components such as torsional spring, tension spring or rubber parts.

In the present embodiment, the first cyclic annular pedestal 72 includes inner cavity 92 and limiting section 94, and pressure spring is set in inner cavity 92, and is pressed One end of spring 90 is resisted against limiting section 94, and the other end of pressure spring 90 is resisted against the first sliding block 82.When the first driving section 57 is in certainly When by state, pressure spring 90 pushes the first sliding block 82 mobile to the direction far from operating parts 40 (referring to fig. 2), so that tensioning first passes Dynamic portion 57.And when operating operating parts 40, the first driving section 57 can be pulled to drive the first sliding block 82 to overcome the effect of pressure spring 90 The direction of power to close operating parts 40 is mobile, because of the first counterpart 60 and the first mutually mating of sliding part 62, to drive second Driving section 58 is mobile relative to the second extension rod 48, and then driving device 42 is driven to drive 32 unwrapping wire of drum.

As shown in Fig. 7 to 10, the second embodiment of the present invention.In the present embodiment, the first extension rod 96 and the second extension rod Equally there is the first position being mutually coupled and the second position mutually disengaged, the first extension rod 96 and the second extension rod between 98 Equally using threaded connection between 98.The difference is that the match connecto between the first driving section 100 and the second driving section 102. It describes in detail below for above-mentioned difference.

Still using being threadedly coupled between first extension rod 96 and the second extension rod 98, in this way, the first extension rod 96 and second With mutually matched first position and the second position mutually disengaged between extension rod 98.

For convenience of the use, transport and storage of grass-mowing machine, correspondingly, the first extension rod 96 and the cooperation of the second extension rod 98 When, the first driving section 100 and the second driving section 102 cooperate；When first extension rod 96 and the second extension rod 98 disengage, first Driving section 100 and the second driving section 102 mutually disengage.

Second counterpart 104 is still set to relative to the first extension rod 96 pivotably, to match with the second sliding part 106 It is pivoted between the position for connecing or disengaging.Certainly, the second counterpart 104 also can be set into mobile relative to the first extension rod 96, It is coupled or disengages with the second sliding part 106 as long as being able to achieve.

The second sliding block 105, the first driving section 100 are movably equipped between second counterpart 104 and the first extension rod 96 One end is connected with operating parts 40 (referring to fig. 2), and 100 other end of the first driving section is connected with the second sliding block 105.Second counterpart 104 pivot on the second sliding block 105.

Match connecto equally includes being set to the first extension rod 96 for promoting the second counterpart 104 and the second sliding part 106 Second actuation means of mating.

In the present embodiment, the second actuation means include being movably arranged at the first extension rod 96 and offseting with the second counterpart 104 When the actuated piece 108 connect and the impeller 112 set on the second extension rod 98, the first extension rod 96 and the second extension rod 98 are coupled, Impeller 112 pushes actuated piece 108 to move, and actuated piece 108 further promotes the second counterpart 104 to match with the second sliding part 106 It connects, and then the first driving section 100 and the second driving section 102 is linked together, pull operation part 40 (referring to fig. 2) just drives First driving section 100 and the second driving section 102 are mobile relative to the first extension rod 96 and the second extension rod 98, to drive driving Device 42 drives the release of drum 32 to beat the grass line 34 (referring to fig. 2).

Preferably, the movement of actuated piece 108 is coupled to the first extension rod 96.The moving direction of actuated piece 108 is perpendicular to first The extending direction of extension rod 96.

Preferably, impeller 112 is connect with the first extension rod 96, and then makes 98 phase of the first extension rod 96 and the second extension rod Mutually mating, so that grass-mowing machine is beaten the grass.So set, impeller 108 is used not only for the first extension rod 96 and the second extension rod 98 mating.Simultaneously for the second counterpart 104 and the second sliding part 106 to be coupled, so that the grass-mowing machine is compact-sized, Cost is relatively low, and make the first extension rod 96 and the second extension rod 98 mutually mating while, can be achieved with the second counterpart 104 It is mutually coupled with the second sliding part 106, therefore operation is very easy, quickly.

Specifically, the first extension rod 96 is fixed with third casing 110, third casing 110 is equipped with external screw thread 111.It causes 108 one end of moving part leans with the second counterpart 104, and the extension of 108 other end of actuated piece is pierced by third casing 110.Impeller 112 Be rotatably arranged in the second extension rod 98, impeller 112 include the connecting pin 114 being connected with the second extension rod 98, with connect It holds 114 opposite open ends 116 and connects the middle part 118 of connecting pin 114 and open end 116, open end 116 and middle part 118 is spaced apart with the second extension rod 98, and middle part 118 is equipped with internal screw thread 120.In this way, third casing 110 can be inserted Enter between impeller 112 and the second extension rod 98, while rotation forces part 112, so that the first extension rod 96 and second be extended Bar 98, which is matched, to be connected together.

In addition, when third casing 110 be inserted into impeller 112 during, impeller 112 will push actuated piece 108 to The vertical direction of first extension rod, 96 extending direction is mobile, because 108 one end of actuated piece and the second counterpart 104 lean, thus Promote the second counterpart 104 to pivot relative to the second sliding block 105, finally make the second lug boss on the second counterpart 104 with The second stopper section mating on second sliding part 106, the first driving section 100 and the second driving section 102 are linked together.Such as figure Shown in 10 and 11, the first driving section 100 can be pulled to drive the second sliding block 105 to close to behaviour by operating operating parts 40 at this time The direction of workpiece 40 moves a certain distance H2, because of the second counterpart 104 and the mutually mating of the second sliding part 106, to drive the Two driving sections 102 are mobile relative to the second extension rod 98, and then driving device 42 is driven to drive 32 unwrapping wire of drum.

The open end 116 of impeller 112 is equipped with angle 124, and the end face internal diameter of angle 124 is greater than the internal diameter of middle part 118, So that actuated piece 108 is easily accessible impeller 112 and is pushed away when in the mating process of third casing 110 and impeller 112 Moving part 112 pushes, so that actuated piece 108 be made to move along the direction vertical with 96 extending direction of the first extension rod.And to close to the The direction that one extension rod 96 extends axis is mobile.

Match connecto further comprises the second holding meanss being set between the second counterpart 104 and the first extension rod 96, Second holding meanss are for promoting the second counterpart 104 and the second sliding part 106 to disengage.Second holding meanss are set to the second sliding block 105 and second between counterpart 104, and the second holding meanss include Flexible element, and Flexible element includes elastic component 126.Preferably, Elastic component 126 is set as torsional spring 126.Certainly, elastic component 126 may be set to be other similar bullets such as tension spring, pressure spring, rubber parts Property part.

Second sliding block 105 is equipped with the second pillar 127, and torsional spring 126 is sheathed on the second pillar 127, and the one of torsional spring 126 End is resisted against the second sliding block 105, and the other end of torsional spring 126 is resisted against the second counterpart 104.In this way, when unscrewing 112 He of impeller When third casing 110, torsional spring 126 promotes the second counterpart 104 to pivot, to push actuated piece 108 to far from the first extension rod 96 The direction for extending axis is mobile, and final second counterpart 104 is there is no the motive force of actuated piece 108, the second counterpart 104 and the Two sliding parts 106 disengage, and then the first driving section 100 and the second driving section 102 disengage, at this point, the first extension rod 96 with Second extension rod 98 also disengages.In this way, substantially reducing the packaging and storage volume of grass-mowing machine, storage and fortune are facilitated It is defeated.

In the present embodiment, match connecto equally includes for making the second sliding block 105 drive the second counterpart 104 to far from behaviour The second mobile tensioning apparatus of the direction of workpiece 40 (referring to fig. 2), the second tensioning apparatus are set to the second counterpart 104 and prolong with first Between boom 96.Further, the second cyclic annular pedestal 128 is fixed in the first extension rod 96, tensioning apparatus is set to the second ring Between shape pedestal 128 and the second sliding block 105.

Second tensioning apparatus includes elastic element, and elastic element includes elastic component 129, it is preferred that elastic component 129 is set as Pressure spring 129, pressure spring 129 are arranged along the lengthwise extending direction of the first extension rod 96.Certainly, above-mentioned elastic component 129 may be alternatively provided as The elastic-likes part such as tension spring, torsional spring, rubber parts.In addition, the effect of tensioning apparatus and specific mounting means and first embodiment phase Similar, in this not go into detail.

As shown in Figure 11 to 13, the third embodiment of the present invention.In the present embodiment, the first extension rod 130 is relative to second Extension rod 132 is scalable, and 133 identical movement of driving member is set to the inner cavity of the first extension rod 130 and the second extension rod 132.When So, the other structures form being telescopically connected to except structure can also be used in the first extension rod 130 and the second extension rod 132, can such as take off It opens.

Expansion regulating mechanism (not shown) is set between first extension rod 130 and the second extension rod 132, expansion regulating mechanism For adjusting the relative telescopic position between the first extension rod 130 and the second extension rod 132.As it is known by the man skilled in the art, Expansion regulating mechanism has many different implementations, is no longer described in detail herein.Furthermore the first extension rod 130 and second Also settable position locking mechanism (not shown), adjusts when by the first extension rod 130 and the second extension rod 132 between extension rod 132 After saving suitable relative position, position locking mechanism locks it.Equally, position locking mechanism also has many different Implementation, in this not go into detail.

Manual payingoff mechanism further includes set on the pulley assembly extended in bar assembly 15 (referring to Fig. 1), and driving member 133 is arranged In pulley assembly, and pulley assembly is controlled by operating parts 40 (referring to fig. 2).Pull operation part 40 can be such that pulley assembly drives and pass Moving part 133 is mobile, to drive driving device 42 that drum is driven to carry out unwrapping wire.

In the present embodiment, pulley assembly include be fixed at the first extension rod 130 fixed pulley 134 and with operating parts 40 The movable pulley 136 being connected, operation operating parts 40 may make movable pulley 136 along the extending direction of the first extension rod to by near operation The direction of part 40 is mobile, and for movable pulley 136 than fixed pulley 134 closer to operating parts 40, driving member 133 is sheathed on 134 He of fixed pulley 136 outer rim of movable pulley, driving member 133 include being fixedly connected on the fixing end 140 of the second extension rod 132 and being connected to driving device The movable end 142 of 42 (referring to fig. 2), and fixing end 140 is between fixed pulley 134 and movable pulley 136.Certainly, pulley assembly Other than a fixed pulley and a movable pulley are only set, other pulley assembly shapes such as multiple fixed pulleys also can be set Formula can tighten driving member 133 as long as the first extension rod 130 is relative to 132 activity of the second extension rod always.

In a free state, stretch movable pulley 136 first extension rod 130 and the second extension rod 132,136 He of movable pulley The distance between fixed pulley 134 is kept constant.

It describes in detail so that the second extension rod 132 is relative to the retraction of the first extension rod 130 as an example, as shown in figure 11, moves Pulley 136 is in free state, and when the second extension rod 132 is in extended position relative to the first extension rod 130, if dynamic slide Taking turns distance of 136 axle center to 134 axle center of fixed pulley on 130 lengthwise extending direction of the first extension rod is X, and fixing end 140 is to calmly Distance of 134 axle center of pulley on 130 lengthwise extending direction of the first extension rod is Y, as shown in figure 12,132 phase of the second extension rod First extension rod 130 is in the indented position, the second extension rod 132 prolongs with fixing end 140 relative to being fixed at first The fixed pulley 134 of boom 130 is mobile, and fixing end 140 to 134 axle center of fixed pulley is along 130 lengthwise extending direction of the first extension rod Distance be Y+K, that is to say, that fixing end 140 is relative to 134 axle center of fixed pulley along 130 lengthwise extending direction of the first extension rod Moving distance be K, the second extension rod 132 is relative to the first extension rod 130 retraction distance also non-K at this time, to make driving member 133 are in tensioning state always.Therefore, when transporting and storing grass-mowing machine, the second extension rod 132 is relative to the first extension rod 130 retractions, driving member 133 are in tensioning state always, facilitate storage and transport.No matter the second extension rod 132 is relative to first Extension rod 130 is in any retraction or extended position, and driving member 133 is in tensioning state, and operation is more convenient, and operator is not With confirmation use or storage grass-mowing machine when, the second extension rod 132 relative to the first extension rod 130 should be moved to where.

The process and the above process that second extension rod 132 is stretched relative to the first extension rod 130 are on the contrary, i.e. from such as Figure 12 Indentation position is stretched over the process of Figure 11, and during being somebody's turn to do, driving member 133 is still in tensioning state always, therefore, dynamic when pulling Pulley 136 can make driving member 133 drive driving device 42 that the release of drum 32 is driven to beat the grass line 34 (referring to fig. 2), thus real Now manual unwrapping wire.

Movable pulley 136 is connected to operating parts 40 (referring to fig. 2), and movable pulley 136 extends along the lengthwise of the first extension rod 130 Direction is removable.When operation operating parts 40, movable pulley 136 can along the first extension rod 130 lengthwise extending direction and to separate The direction of fixed pulley 134 is mobile, while the movable end 142 of driving member 133 being driven to move to the direction close to the first extension rod 130 It is dynamic, and lengthwise extending direction of the movable end 142 of driving member 133 equally along the first extension rod 130 moves.Specifically, movable pulley If 136 to the direction moving distance L far from fixed pulley 134, so that it may drive the movable end 142 of driving member 133 to prolonging close to first The direction moving distance 2L of boom 130.In this way, driving member 133 is just because movable end 142 is connected to driving device 42 (referring to Fig. 1) It can drive driving device 42 that the release of drum 32 is driven to beat the grass line 34 (referring to Fig. 1), to realize manual unwrapping wire.

Preferably, the diameter of fixed pulley 134 is less than the diameter of movable pulley 136.In this way, manual payingoff mechanism can be greatly reduced Occupied space, so that grass-mowing machine is compact-sized.

One of outer rim tangent line between fixed pulley 134 and movable pulley 136 146 is parallel to the extension side of the first extension rod 130 To.In this way, when no matter the second extension rod 132 stretches relative to the first extension rod 130, or pull movable pulley 136 to grass-mowing machine into When the manual unwrapping wire of row, the transmission of driving member 133 is all more smooth, laborsaving.

As shown in figure 12, manual payingoff mechanism further includes set on the reset dress between movable pulley 136 and the first extension rod 130 148 are set, when not operating movable pulley 136, the distance between movable pulley 136 and fixed pulley 134 remain X, define at this time Movable pulley 136 is initial position relative to the location of fixed pulley 134.With further reference to Figure 13, when operation movable pulley 136 makes Its along the first extension rod 130 lengthwise extending direction, and to the direction moving distance L far from fixed pulley 134, at this time movable pulley The distance between 136 and fixed pulley 134 are that movable pulley 136 is in unwrapping wire position to X+L at this time, then discharge movable pulley 136, move and slide Wheel 136 resets to initial position as shown in figure 12 under the action of resetting apparatus 148.In this way, can drum 32 to grass-mowing machine Release repeatedly is carried out to beat the grass line 34 (referring to fig. 2).

Further, the first extension rod 130 is movably equipped with moving pulley bracket 150, and movable pulley 136 is set to movable pulley branch On frame 150, the first extension rod 130 is installed with limiting section 152.When movable pulley 136 in a free state, resetting apparatus 148 makes Movable pulley 136 is returned to initial position.150 one end of moving pulley bracket and limiting section 152 are coupled at this time, and moving pulley bracket 150 is another One end and resetting apparatus 148 are coupled.And moving pulley bracket 150 is connected with operating parts 40, so operates operating parts 40, so that it may logical Crossing moving pulley bracket 150 drives movable pulley 136 to the direction movement far from limiting section 152, to pull driving member 133 so as to drive Dynamic device 42 drives the release of drum 32 to beat the grass line 34 (referring to fig. 2).

In the present embodiment, moving pulley bracket 150 is connected by control piece 154 with operating parts 40.Preferably, control piece 154 are set as flexible piece.It is of course also possible to be set as the other forms such as non-flexible part, if can transmission force to moving pulley bracket 150, so that moving pulley bracket 150 is moved along the lengthwise extending direction of the first extension rod 130.

Resetting apparatus 148 includes elastic component 156.Preferably, elastic component 156 is set as pressure spring 156, and pressure spring 156 is along first The lengthwise extending direction of extension rod 130 is arranged.Certainly, it is other to may be set to be tension spring, torsional spring or rubber parts etc. for elastic component 156 Elastic-like part.

One end of pressure spring 156 is resisted against the first extension rod 130, and the other end of pressure spring 156 is resisted against moving pulley bracket 150. Further, mounting base 158 is installed in the first extension rod 130, mounting base 158 has cavity 160 and butting section 162.It is dynamic to slide Wheel support 150 is movably disposed in cavity 160, limiting section 152 be set to mounting base 158, one end of pressure spring 156 be resisted against against Portion 162, and moving pulley bracket 150 is between pressure spring 156 and limiting section 152.

In the present embodiment, no matter the first extension rod 96 and the second extension rod 98 are in extended position or indentation position, always In mating state, and driving member 133 is in tensioning state always, and is coupled indirectly with operating parts 40, and and driving device 42 (referring to fig. 2), therefore when using grass-mowing machine, the second extension rod 98 can be made to be in extending position relative to the first extension rod 96 Set, operating parts 40 can be operated at this time so that driving member movable end 142 relative to the second extension rod 98 to close to operating parts 40 Direction is mobile, to drive driving device 42 that the release of drum 32 is driven to beat the grass line 34 (referring to fig. 2)；And when 98 phase of the second extension rod When being in the indented position for the first extension rod 96, the parking space and packaging volume of grass-mowing machine are greatly reduced.Therefore, this dozen Careless machine not only can be reduced line loss consumption of beating the grass, and packaging volume is smaller.

It may occur to persons skilled in the art that the present invention can also have other implementations, but as long as it is used Technical spirit and the present invention it is same or similar seemingly or it is any based on the variations and alternatives made of the present invention all of the invention Within protection scope.

Claims (25)

1. a kind of grass-mowing machine, including extending bar assembly, set on the moving head for extending bar assembly one end, be set to the extension rod The horse of rotation axis rotation is surrounded on component and with the handle of moving head setting spaced apart, the driving moving head It reaches, controls the switch of the motor, the moving head includes the drum for line of beating the grass to be arranged, and the grass-mowing machine further includes manual Payingoff mechanism, the manual payingoff mechanism include the driving member controlled independently of the operating parts of the switch, by the operating parts, The driving device to drive line of beating the grass described in the drum release is driven as the driving member, it is characterised in that: the extension rod Component includes that the first extension rod that lengthwise extends and the second extension rod for being movably connected on first extension rod, the handle are set In first extension rod, the moving head is set to second extension rod, and first and second extension rod is equipped with inner cavity, The driving member basic setup has phase interworking in the inner cavity of first and second extension rod, first and second extension rod The first position connect and the second position mutually disengaged, the driving member include the first driving section being connect with the operating parts and Relative to the second driving section of first driving section activity setting, second driving section is connected with the driving device, When first extension rod and the second extension rod are mutually coupled, first driving section and the second driving section are mutually coupled, described When first extension rod and the second extension rod mutually disengage, first driving section and the second driving section are mutually disengaged, described manual Payingoff mechanism further includes set on the match connecto between first driving section and the second driving section, and the match connecto includes setting In the counterpart being connect in first extension rod and with first driving section, be set in second extension rod and with it is described The sliding part of second driving section connection, the sliding part can be coupled or disengage with the counterpart；The match connecto further includes The actuation means for being used to that the counterpart and sliding part be promoted to be coupled set on first extension rod；The actuation means include solid Surely the cyclic annular pedestal being set in first extension rod, the ring-type pedestal include that first part and internal diameter are less than described first Point second part, the counterpart can by operatively along the extending direction of first extension rod to close to the operating parts Direction is moved to the second position from first position, and when first position, the counterpart and the sliding part are disengaged, the second position When, the second part promotes the counterpart and the sliding part to be coupled.

2. grass-mowing machine according to claim 1, it is characterised in that: connected between first and second extension rod using screw thread It connects.

3. grass-mowing machine according to claim 1, it is characterised in that: first extension rod be equipped with electrode slice, described second Extension rod is equipped with electric wire, and when first extension rod and the second extension rod are coupled, the electrode slice is electrically connected with the electric wire.

4. grass-mowing machine according to claim 1, it is characterised in that: the actuation means make first driving section and second Driving section links together, and operates the operating parts, by first driving section, drives second driving section to close to institute The direction for stating operating parts is mobile, to drive the driving device that the drum is driven to discharge line of beating the grass.

5. grass-mowing machine according to claim 1, it is characterised in that: the match connecto further include be set to the counterpart with The first elastic component between first extension rod for promoting the counterpart and sliding part to disengage.

6. grass-mowing machine according to claim 5, it is characterised in that: the match connecto further include be movably disposed in it is described The sliding block of cyclic annular pedestal, first driving section are connected to the sliding block, and the counterpart pivot is set to the sliding block, described First elastic component is set between the counterpart and the sliding block.

7. grass-mowing machine according to claim 6, it is characterised in that: the match connecto further includes being set to the sliding block and institute State the tensioning apparatus between cyclic annular pedestal for promoting the sliding block mobile to the direction far from the operating parts.

8. grass-mowing machine according to claim 7, it is characterised in that: the tensioning apparatus include be set to the cyclic annular pedestal and The second elastic component between sliding block.

9. grass-mowing machine according to claim 1, it is characterised in that: the match connecto further include be set to the counterpart with Holding meanss between first extension rod for promoting the counterpart and sliding part to disengage.

10. grass-mowing machine according to claim 9, it is characterised in that: the holding meanss include Flexible element.

11. grass-mowing machine according to claim 10, it is characterised in that: the Flexible element is torsional spring.

12. grass-mowing machine according to claim 11, it is characterised in that: the match connecto further includes being set to the counterpart Tensioning apparatus between first extension rod for promoting the counterpart mobile to the direction far from the operating parts.

13. grass-mowing machine according to claim 12, it is characterised in that: the tensioning apparatus includes elastic element.

14. grass-mowing machine according to claim 13, it is characterised in that: the elastic element is set as the first pressure spring, described First pressure spring is arranged along the lengthwise extending direction of first extension rod.

15. grass-mowing machine according to claim 14, it is characterised in that: the counterpart can relative to first extension rod It pivots.

16. a kind of grass-mowing machine, including extending bar assembly, set on the moving head for extending bar assembly one end, be set to the extension Around rotation axis rotation in bar assembly and with the handle of moving head setting spaced apart, the driving moving head Motor controls the switch of the motor, and the moving head includes the drum for line of beating the grass to be arranged, and the grass-mowing machine further includes hand Dynamic payingoff mechanism, the manual payingoff mechanism include operating parts independently of the switch, the transmission that is controlled by the operating parts Part, the driving device that line of beating the grass described in the drum release is driven as driving member drive, it is characterised in that: the extension Bar assembly includes the first extension rod and the second extension rod for being movably connected on first extension rod that lengthwise extends, the handle Set on first extension rod, the moving head is set to second extension rod, and first and second extension rod is equipped with interior Chamber, the driving member basic setup have phase in the inner cavity of first and second extension rod, first and second extension rod The first position being mutually coupled and the second position mutually disengaged, the driving member include the first transmission connecting with the operating parts Portion and the second driving section being arranged relative to first driving section activity, second driving section is connected with the driving device It connects, when first extension rod and the second extension rod are mutually coupled, first driving section and the second driving section are mutually coupled, institute It states the first extension rod and when the second extension rod mutually disengages, first driving section and the second driving section is mutually disengaged, the hand Dynamic payingoff mechanism further includes set on the match connecto between first driving section and the second driving section, and the match connecto includes The counterpart being connect in first extension rod and with first driving section, be set to second extension rod in and with institute The sliding part of the second driving section connection is stated, the sliding part can be coupled or disengage with the counterpart；The match connecto also wraps It includes and is set to the actuation means that first extension rod is used to that the counterpart and sliding part to be promoted to be coupled；The actuation means include It is movably arranged at first extension rod and the actuated piece abutted against with the counterpart and the promotion set on second extension rod When part, first extension rod and the second extension rod are coupled, the impeller pushes the actuated piece movement, and the actuated piece promotees The counterpart and the sliding part is coupled.

17. grass-mowing machine according to claim 16, it is characterised in that: the actuated piece is connect with first extension rod, And the first extension rod is coupled mutually with the second extension rod.

18. grass-mowing machine according to claim 16, it is characterised in that: the actuated piece is mobile to be coupled to first extension Bar.

19. grass-mowing machine according to claim 16, it is characterised in that: the moving direction of the actuated piece is perpendicular to described The extending direction of one extension rod.

20. a kind of grass-mowing machine, including extending bar assembly, set on the moving head for extending bar assembly one end, be set to the extension Around rotation axis rotation in bar assembly and with the handle of moving head setting spaced apart, the driving moving head Motor controls the switch of the motor, and the moving head includes the drum for line of beating the grass to be arranged, and the grass-mowing machine further includes hand Dynamic payingoff mechanism, the manual payingoff mechanism include operating parts independently of the switch, the transmission that is controlled by the operating parts Part, the driving device that line of beating the grass described in the drum release is driven as driving member drive, it is characterised in that: the extension Bar assembly includes the first extension rod and the second extension rod for being movably connected on first extension rod that lengthwise extends, the handle Set on first extension rod, the moving head is set to second extension rod, and first and second extension rod is equipped with interior Chamber, first extension rod is scalable relative to the second extension rod, and the manual payingoff mechanism further includes being set to the extension rod Pulley assembly in component, the driving member are set to the pulley assembly, and the pulley assembly includes being fixed at described the The fixed pulley of one extension rod and it is connected with the operating parts and can be by operatively along the extending direction of first extension rod Mobile movable pulley, the movable pulley than fixed pulley closer to the operating parts, the driving member be sheathed on the fixed pulley and The movable pulley outer rim, the driving member include being fixedly connected on the fixing end of second extension rod and being connected to the driving The movable end of device, and the fixing end is between the fixed pulley and movable pulley.

21. grass-mowing machine according to claim 20, it is characterised in that: the diameter of the fixed pulley is less than the movable pulley Diameter.

22. grass-mowing machine according to claim 20, it is characterised in that: the outer rim tangent line between the fixed pulley and movable pulley One of be parallel to the extending direction of first extension rod.

23. grass-mowing machine according to claim 20, it is characterised in that: the manual payingoff mechanism further includes being set to described move Resetting apparatus between pulley and first extension rod for resetting the movable pulley.

24. grass-mowing machine according to claim 23, it is characterised in that: the resetting apparatus includes the second pressure spring.

25. grass-mowing machine according to claim 20, it is characterised in that: the driving member is flexible drive axle.