CN207543620U

CN207543620U - Grass-mowing machine

Info

Publication number: CN207543620U
Application number: CN201720175064.4U
Authority: CN
Inventors: 查霞红; 赵凤丽; 杨雪雨
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2016-02-23
Filing date: 2017-02-23
Publication date: 2018-06-29
Anticipated expiration: 2027-02-23
Also published as: CN107094421A; WO2017143994A1; CN206686614U; CN107094419A; CN207543621U; CN107094420A

Abstract

The utility model discloses a kind of grass-mowing machine, including：The extension rod of lengthwise extension, the extension rod are equipped with first end and the second end opposite with first end along longitudinally；The head of work is performed, the head is connected with the first end of the extension rod；For the Handleset of operator's operation, the Handleset includes the first handle and second handle that are connected to the extension rod second end；The second handle includes at least one operating position, at least one operating position includes for second handle being arranged on the first position that can provide leaning support for the arm or elbow of operator, the second handle coordinates to realize one-handed performance with the first handle on first position jointly, the grass-mowing machine has beat the grass state and deburring state under one-handed performance, the head is provided in can radially being converted relative to extension rod rotation predetermined angle to realize the head between deburring state and state of beating the grass for the extension rod.

Description

Grass-mowing machine

Technical field

The utility model is related to a kind of outdoor Horticultural cutting tool more particularly to a kind of grass-mowing machines.

Background technology

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 just favored as a kind of garden instrument for arranging turf by more and more users.Grass-mowing machine is general By drive cutting member rotation be allowed to beat the grass, generally include lengthwise extension extension rod, set on extension rod first end head, set Front hand grip near extension rod second end, the back handle set on extension rod second end.Include moving head and driving in head The motor of moving head rotation.Grass-mowing machine work when, moving head be driven to rotate drive moving head in cutting member synchronous rotary from And it beats the grass.

When user needs to arrange large stretch of smooth turf, typically both hands operate, and a hand holds front hand grip, another hand Back handle is held, grass-mowing machine is lifted and is worked.

When user needs the turf arranged under some bushes or arranging the turf in narrow space, both hands behaviour Work is highly difficult.User must not have to one-handed performance grass-mowing machine, i.e., a hand holds front hand grip or back handle is beaten the grass Operation.Due to the handle set-up mode of existing grass-mowing machine, for user when carrying out one-handed performance, arm does not have supporting point, therefore, behaviour Make to get up and be not sufficiently stable and without comfort level.

The set-up mode of the existing handle of grass-mowing machine, it is impossible to meet user freely select according to demand one-hand operating format and Both hands operation mode, and cannot ensure one-hand operating format simultaneously and both hands operation mode has stability well and comfortable Degree.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of grass-mowing machines, can be repaiied under one-handed performance Side works, and work of beating the grass can also be carried out under one-handed performance, and the switching of two kinds of operating modes is simple and convenient, easily operated.

Technical solution is used by the utility model solves prior art problem：

A kind of grass-mowing machine, including：The extension rod of lengthwise extension, the extension rod are equipped with first end and with the along longitudinally The opposite second end in one end；The head of work is performed, the head is connected with the first end of the extension rod；It is grasped for operator The Handleset of work, the Handleset include the first handle and second handle that are connected to the extension rod second end；It is described Second handle includes at least one operating position, and it can be operation that at least one operating position, which includes second handle being arranged on, The arm or elbow of person provides the first position of leaning support, and the second handle is total on first position with the first handle With cooperation to realize one-handed performance, the grass-mowing machine has beat the grass state and deburring state under one-handed performance, the head Be provided in the extension rod radially can rotate predetermined angle relative to the extension rod, to realize that the head is being repaiied It is converted between side state and state of beating the grass.

Preferably, the predetermined angle is 90 degree.

Preferably, the head includes shield and the hinge portion being connected with the first end of the extension rod, the extension Bar is rotated around the selectable court in the hinge portion away from the rotation of the direction of the shield or towards close to the direction of the shield.

Preferably, the extension rod is telescopic rod.

Preferably, the head includes casing, the motor being set in the casing and the cutting driven by the motor Part, the cutting member rotate to form cutting planes, and when the grass-mowing machine is under deburring state, and the second handle is located at the During one position, the cutting planes and operator towards direction it is parallel.

Preferably, the projection of the first handle on the ground is parallel with the projection of the extension rod on the ground or common Line.

Preferably, when the grass-mowing machine is under deburring state, the first handle cuing open in the extension rod axial direction Face is parallel or coplanar with the cutting planes.

Preferably, the grass-mowing machine is included in the sliding part or rolling member that the grass-mowing machine is supported under deburring state.

Preferably, the rolling member includes at least one trimming rolling wheel, when the grass-mowing machine is under deburring state, and institute When stating second handle and being located at first position, the rotating direction of the trimming rolling wheel and operator towards direction it is consistent.

Preferably, when the grass-mowing machine is under deburring state, trimming rolling wheel section and the extension radially The section of bar in the axial direction is parallel or coplanar.

Preferably, when the second handle is located at the first position of singlehanded use state, the arm of operator and ground The angle of formation is more than or equal to 90 degree, and less than or equal to 140 degree.

Preferably, the first handle includes being closed the ring body portion of the extension rod second end, and the ring body portion includes supplying The first grip part that operator holds, when the second handle is located at the first position of one-handed performance, first grip part It is more than or equal to 90 degree, and less than or equal to 140 degree with the angle that the second handle is formed.

Preferably, at least one operating position includes being arranged on what is held for operator by second handle is adjustable The second position, cooperation is to realize that both hands operate jointly with the first handle on the second position for the second handle, described the Two handles are formed with the second angle on the second position and direction of the extension rod towards first end, and second angle is sharp Angle, the second handle on first position with the extension rod towards being formed with the first angle on the direction of first end, it is described First angle is obtuse angle.

Preferably, at least one operating position includes second handle being arranged on so that the grass-mowing machine is in storage The third place of state, the second handle are formed with third in the third place and direction of the extension rod towards first end Angle, the number of degrees of third angle are less than the number of degrees of second angle.

Preferably, first, second, third position of the second handle is adjustable, and the second handle can be released It is locked in putting at a plurality of first positions, the second position and the third place.

Preferably, the grass-mowing machine further includes the retaining mechanism that the second handle is controlled to carry out operating position adjusting, institute State retaining mechanism so that the second handle any operating position of at least one operating position be locked and Any operating position carries out release adjustment.

Preferably, the second handle includes opposite each other two extension being connect with retaining mechanism and connection two The support portion of extension, when the second handle is located at first position, the first handle is hold by one hand for operator, described The support portion of second handle is leaned on for the arm or elbow of operator, to realize one-handed performance；When the second handle position When the second position, the first handle and the second handle for operator both hands it is corresponding hold, to realize that both hands are grasped Make.

Preferably, the support portion is the recess portion of arc shape leaned on for the arm or elbow of operator.

Preferably, the grass-mowing machine further comprises the energy unit for providing energy to head, the energy unit For battery pack.

Preferably, the battery pack is arranged on the side of the first handle.

Preferably, the battery pack and the motor are located at the first end and second that the extension rod is opposite respectively End.

Preferably, the motor accounts for the percentage of the grass-mowing machine weight and accounts for the grass-mowing machine weight less than the battery pack Percentage.

Preferably, it is connected to the weight of the head of the extension rod first end and is connected to the hand of the extension rod second end The ratio of the total weight of handle component and battery pack is 1：0.7~3：7.

Preferably, the weight of the grass-mowing machine is less than 2.8kg.

Preferably, the center of gravity of the grass-mowing machine is located at the extension rod close to the side of battery pack.

Preferably, the projection of the center of gravity of the grass-mowing machine on the ground with the center of the first handle on the ground Projection between 10~50cm of vertical range.

Compared with prior art, the utility model at least has the advantages that：

1. the utility model can be worked by second handle on different operating positions, so as to which operator be free to Select one-handed performance mode or both hands mode of operation.

2. the grass-mowing machine of the utility model not only has pattern of beating the grass, but also has deburring pattern, and the position for passing through second handle Put change, realize the performance of grass-mowing machine a tractor serves several purposes, that is, have singlehanded deburring, it is singlehanded beat the grass, both hands deburring, both hands are beaten the grass Four kinds of work patterns, have better met the job requirements of different operation person.

3. when to short corner beat the grass operation, can telescopic extension bar be coordinated by one-handed performance, realize behaviour Author does not need to bend over or squat down that operation can be completed, and has comfortable user experience.

4. during singlehanded deburring, cutting planes and operator towards direction it is parallel.On the one hand, both hands can be avoided to operate body The discomfort that body twisted straps are come realizes a line (inline) operation；On the other hand, easily operated person has found front in time Barrier reduces the probability that machine touches barrier.

5. during singlehanded operation, the arm of user is in the state naturally drooped, more meets the requirement of kinesiology, man-machine effect Fruit is more preferable.

6. DC driven, reduce grass-mowing machine main screw lift, battery pack and the motor both ends that be distributed in grass-mowing machine opposite, realization The reasonability of front and rear distribution of weight so that operator carries more effortless during machine.

Description of the drawings

Above-described the purpose of this utility model, technical solution and advantageous effect can be realized by following The detailed description of specific embodiment of the utility model.

Identical label and symbol in attached drawing and specification are used to represent identical or equivalent element.

Fig. 1 be the first embodiment of the utility model grass-mowing machine be in beat the grass under state and second handle be located at first Stereogram when putting.

Fig. 2 is the stereogram when second handle of the grass-mowing machine in Fig. 1 is located at the second position.

Fig. 3 is the stereogram when second handle of the grass-mowing machine in Fig. 1 is in the third place.

Fig. 4 is the stereogram when grass-mowing machine in Fig. 1 is under deburring state and second handle is located at first position.

Fig. 5 is that the back handle of the grass-mowing machine of the second embodiment of the utility model is located at the signal of first position main view direction Figure.

Fig. 6 is the main view direction schematic diagram that the grass-mowing machine back handle position in Fig. 5 is adjusted.

Fig. 7 is that the grass-mowing machine back handle in Fig. 5 is located at second position main view direction schematic diagram.

Fig. 8 is along the front hand grip schematic diagram in A directions along Fig. 5.

Fig. 9 is along the back handle schematic diagram in B directions along Fig. 7.

Figure 10 is the structure diagram of retaining mechanism in Fig. 5.

Figure 11 is along the back handle schematic diagram in C directions in Figure 10.

Figure 12 is the mode of operation schematic diagram of grass-mowing machine shown in user's one-handed performance Fig. 5.

Figure 13 is the mode of operation schematic diagram of grass-mowing machine shown in user's conjoined manipulation 5.

Figure 14 is that the grass cutter handle component of another embodiment is located at first position main view direction schematic diagram.

Figure 15 is that the grass cutter handle component of another embodiment is located at second position main view direction schematic diagram.

Specific embodiment

As shown in Figures 1 to 4, it is the first embodiment of the utility model, which discloses one kind and can be grasped in both hands Make the garden instrument switched between one-handed performance two states, in the present embodiment, which mainly passes through hand Formula grass-mowing machine is held to illustrate.

As shown in Figure 1, Figure 2 and Figure 3, grass-mowing machine 100 ' extends including lengthwise extension rod 20 ', the head for performing work 10 ' and for operator operation Handleset 3040 '.Extension rod 20 ' is equipped with first end and opposite with first end along longitudinally Second end.The head 10 ' for performing work is connected to the first end of extension rod, and Handleset 3040 ' is connected to extension rod 20 ' Second end.

Head 10 ' is connected to first end of the extension rod 20 ' far from Handleset 3040 '.Head 10 ' including casing 14 ', set It the motor (not shown) that is placed in casing and is driven in working face around the cutting member of first axle X ' rotations (not by motor Diagram).In the present embodiment, cutting member is line of beating the grass, and the material for line of beating the grass is made of solid nonmetallic materials, such as Buddhist nun Dragon, carbon fibre material etc..Under the driving of motor, the line of beating the grass for being installed on 10 ' bottom of head is high around the first axle X ' of head Speed rotation, so as to carry out finishing cutting to lawn.Line of beating the grass rotation is formed using motor drive shaft as the center of circle, using line length of beating the grass as radius Cutting planes.As it is known by the man skilled in the art, cutting member may be other forms, such as blade.In order to avoid beating the grass During machine operation to human body may caused by unexpected injury, be fixedly installed shield 12 ' on head 10 '.It beats the grass in order to prevent mistiming Hinder flowers, head 10 ' is additionally provided with shield flower steel wire 13.

Handleset 3040 ' is plastic cement material, and the second of extension rod 20 ' can be connected to by way of injection molding End can also be assembled in the second end of extension rod 20 ' by way of mechanical connection.Handleset 3040 ' is including being connected to extension The first handle 30 ' of 20 ' second end of bar and second handle 40 '.

Preferably, second handle 40 ' includes at least one operating position, which is included second-hand Handle 40 ' is arranged on the first position that dependence and support can be provided for the arm or elbow of operator, and second handle 40 ' is at first It puts and coordinates to realize one-handed performance jointly with first handle 30 '.The supported arm of operator and 20 ' direction first of extension rod The angle that the direction at end is formed is 90 degree~180 degree.The angle can be：90 degree, 95 degree, 100 degree, 105 degree, 110 degree, 115 Degree, 120 degree, 125 degree, 130 degree, 135 degree, 140 degree, 150 degree, 160 degree, 170 degree, 180 degree.Preferably, by experiment, work as behaviour The supported arm of author is 150 degree towards the angle that the direction of first end is formed with extension rod 20 ', and operator's arm is presented most The good state naturally drooped, supported arm and ground can greatly promote the comfort of operation, more meet close to vertical Kinesiology, man-machine effect are more preferable.Therefore, in the present embodiment, the supported arm of operator and extension rod 20 ' is towards the The angle that the direction of one end is formed is preferably 150 degree.

As a kind of preferred embodiment of the utility model, at least one operating position includes can by second handle 40 ' Being arranged on for adjusting has with the common cooperation of first handle 30 ' to realize the second position under both hands operation.When second handle position When the second position, first handle 30 ' is held with second handle for the both hands of operator are corresponding respectively, to realize that both hands operate. Further, second handle 40 ' can respectively remain fixed on first position and the second position, and second handle 40 ' is first On position with extension rod 20 ' towards the angle number of degrees formed on the first extreme direction be different from its on the second position with extension rod The angle number of degrees formed on 20 ' the first extreme directions of direction.Specifically, by second handle at 40 ' first position with extension rod 20 ' The first included angle A 3 is defined as towards the angle formed on the first extreme direction, by second handle 40 ' at the second position and extension rod The angle formed on 20 ' the first extreme directions of direction is defined as the second included angle A 4.Wherein the first included angle A 3 be obtuse angle, the first included angle A 3 Angular range be 90 degree~180 degree.First included angle A 3 can be 90 degree, 95 degree, 100 degree, 105 degree, 110 degree, 115 degree, 120 Degree, 125 degree, 130 degree, 135 degree, 140 degree, 150 degree, 160 degree, 170 degree, 180 degree.Preferred value is 150 degree.It is so designed that, it is single When hand operates, second handle can give the arm of operator or elbow is supported or leans on.Wherein the second included angle A 4 is acute angle, The angular range of second included angle A 4 is 40 degree~80 degree.Second included angle A 4 can be 40 degree, 50 degree, 60 degree, 70 degree, 80 degree. Preferred value is 60 degree.It is so designed that so that the line between the peak of first handle 30 ' and the peak of second handle 40 ' Be substantially parallel setting with ground, with realize both hands operation when, it is more laborsaving that operator carries machine.

As another preferred embodiment of the utility model, make as shown in figure 3, at least two operating positions further include Equipment is in the third place of storage state, and second handle 40 ' can remain fixed in the third place.Specifically, by second-hand Angle of the handle 40 ' in the third place with being formed on 20 ' the first extreme direction of direction of extension rod is defined as third included angle A 5.In this reality It applies in mode, third included angle A 5 is acute angle, and the number of degrees of third included angle A 5 are less than the number of degrees of the second included angle A 4, the angle of third included angle A 5 Ranging from 0~20 degree of degree, preferred value are 5 degree.It is so designed that, when grass-mowing machine is in storage state, reduces machine storage when institute The space accounted for and convenience in transport.

Further, the first position of second handle 40 ', the second position, the third place are adjustable, second handles It is releasedly locked at a plurality of first positions, the second position and the third place.On the one hand, operator can adjust as needed The position for saving second handle 40 ' carries out the switching of different operating states (one-handed performance or both hands operation)；On the other hand, it is conducive to Further adjust comfortably uses angle to operator in different operational situations according to their needs.

As shown in Figures 1 to 4, second handle 40 ' can be by pivotably adjusting from first position to the second position or the Three positions.Grass-mowing machine includes the retaining mechanism (not shown) that control second handle 40 ' carries out operating position adjusting.The retaining mechanism So that second handle 40 ' is released on any one position of at least two operating positions and at least two operating positions It is locked on any one position.In the present embodiment, the retaining mechanism be knob locking device, the knob locking device packet The columnar pin portion for including knob and being connect with knob.The outside in the pin portion is equipped with continuous external screw thread.Second handle 40 ' The end of two extensions is equipped with the first through hole worn for the pin portion of knob locking device, first handle 30 ' or extension rod 20 ' second end is equipped with the second through-hole worn worn for the pin portion of knob locking device.The first through hole and the second through-hole Penetrate through setting on the direction perpendicular with extension rod extending direction, and the inner wall of the first through hole and the second through-hole be equipped with The external screw thread in pin portion carries out the internal thread of thread fitting.When needing to adjust the position of second handle 40 ', operator only needs to revolve Turn knob so that then second handle 40 ' is adjusted second handle 40 ' to suitable position in movable state. The locking mechanism structure that is there is provided in present embodiment is simple, easy to disassemble, the at low cost and person of being conveniently operated uses.Certainly, at it In his embodiment, retaining mechanism can also be slider gear shift device (not shown), which is equipped with so that second Handle is in multiple regulation stalls of different location.

As shown in Figure 1 and Figure 2, first handle 30 ' is substantially in D fonts and is arranged on the second end of extension rod 20 '.It is first-hand Ring body portion 31 of the handle 30 ' including being closed 20 ' second end of extension rod, which, which encloses, is set as hollow structure for use operator's Hand passes through to be held so as to facilitate.Wherein the ring body portion 31 includes the first grip part 33 held for operator.When second handle 40 ' During positioned at the first position of one-handed performance, the first grip part 33 is more than or equal to 90 degree, and small with the angle that second handle 40 ' is formed In equal to 140 degree.The angle can be 90 degree, 95 degree, 100 degree, 105 degree, 110 degree, 115 degree, 120 degree, 125 degree, 130 degree, 135 degree, 140 degree.In the present embodiment, the angle that the first grip part 33 is formed with second handle 40 ' is 105 degree.Certainly, so When can further promote first position of the second handle 40 ' under one-handed performance, folder that the arm of operator is formed with ground Angle is to be more than or equal to 90 degree, and less than or equal to 140 degree.It is so designed that so that the arm of operator is in the branch of second handle 40 ' Under support leans on, the comfortable job state that naturally droops of support arm presentation is realized, and be further ensured that the arm and the of operator Two handles 40 ' are close to, the fatigue strength of arm when reducing operator's operation of arm.Further, first handle 30 ' is equipped with opening Dynamic switch 70 ' and safety switch 72 ', open safety switch 72 ' and started by press switch 70 ' can make grass-mowing machine work. In the present embodiment, starting switch 70 ' is long and narrow, the inside of ring body portion 33 is arranged on, with the person's of being conveniently operated gripper rings It is directly pressed during body portion 33, safety switch 72 ' is cylindricality button shape, and projection is on the side wall of ring body portion 33, it is preferred that safety Projection is switched on the left side wall of ring body portion 33.When operator holds first handle 30 ', the thumb of operator is just direct Touching pressing safety switch 72 ', after carrying out the pressing action of safety switch 72 ', the palm or finger of operator can open startup Pass 70 ', which synchronizes or slightly delays, carries out pressing manipulation, starts machine so as to fulfill quick.Starting switch in the present embodiment 70 ' are arranged at safety switch 72 ' on first handle 30 ', compact-sized, and the person's of being conveniently operated one-handed performance starts machine.

Second handle 40 ' is substantially U-shaped, including two extensions 41 opposite each other, set on second handle 40 ' End and for connect two extensions 41 support portion 43 and be arranged between support portion 43 and first handle 30 ' and be used for connect Meet the cross bar portion 45 of two extensions 41.The support portion 43 is the recess portion of the arc shape leaned on for operator's arm or elbow, arc The recess portion of shape can increase the comfort level of operator's arm and second handle contact position.Certainly, second handle 40 ' can also be into one Step includes being laid with or the cushion pad (not shown) that is contacted with operator's arm is used on support portion 43, the cushion pad to Perpendicular side upwardly extends and beyond operator's arm one fixed width with 20 ' extending direction of extension rod, with buffer operation person's Power is compressed when arm or elbow lean with support portion, reduces operator's long working lower arms and second handle 40 ' The discomfort to offset.In the present embodiment, on the one hand in order to ensure the arm at the elbow joint rear portion of operator can be free Activity, on the other hand in order to enable more effortless when operator lifts grass-mowing machine 100 ', second handle 40 ' prolongs in extension rod 20 ' The forearm of operator's arm need to be less than or equal to by stretching the length on direction, and be more than or equal to the forearm of operator's arm Half.Here the length of second handle should be defined as the free terminal of handle and the branch being supported to operator's arm Air line distance between support point.In the present embodiment, machine is subjected to operation comfort level experiment, hair to the operator of different heights Now when the control of the length of second handle 40 ' is in the numberical range of 15~30cm, can meet 1.5 meters~1.9 meters operators makes The comfort level of used time.Specifically, the length of second handle 40 ' can be 15cm, 15.5cm, 16cm, 16.5cm, 17cm, 17.5cm、18cm、18.5cm、19cm、19.5cm、20cm、20.5cm、21cm、22cm、23cm、24cm、25cm、26cm、 27cm、28cm、29cm、30cm.Particularly, in the present embodiment, when the length of second handle is 17.5cm, second handle 40 ' can play good support effect, i.e., second to the forearm of the arm of the operator in the range of 1.5 meters~1.9 meters of height Handle 40 ' is that the most comfortable, position are also most rational to the supporting point of the forearm of the arm of operator.It is and longer in order to prevent Second handle 40 ' can cause the stress of the extension 41 of second handle 40 ' to be deteriorated.It therefore, can be true by the design in cross bar portion 45 Protecting second handle 40 ' has enough stress intensities.The second handle 40 ' is separated into receiving at least partly the by the cross bar portion 45 First opening 46 of one handle 30 ' and the second opening 47 positioned at the first open back side.

Preferably, the grass-mowing machine 100 ' that the present embodiment discloses can a machine four use, i.e., beat the grass with one hand, be singlehanded deburring, double Hand is beaten the grass and four kinds of use patterns of both hands deburring.Operator can select suitable use pattern according to the needs of itself, select model It encloses wider.Particularly, in the present embodiment, in the case where grass-mowing machine is in deburring state, and second handle is located at first position (list Hand operates) when, cutting planes and operator towards direction it is parallel.Further, the projection of first handle 30 ' on the ground It is parallel or conllinear with the projection of extension rod 20 ' on the ground.When grass-mowing machine 100 ' is under deburring state, first handle 30 ' the section in 20 ' axial direction of extension rod is parallel or coplanar with cutting planes.So, on the one hand, avoid both hands operation and beat During careless 100 ' deburring operation of machine, operator's body is in the discomfort under twisted state；On the other hand, go out in front of grass-mowing machine Existing barrier, operator can have found at the first time, and greatly reduced machine with machine avoiding obstacles in time and touch barrier Probability.

It should be noted that cutting member high speed rotation forms cutting planes, and due to the speed of cutting member rotating speed or outer The environmental factor in portion easily influences the above-mentioned depth of parallelism, and therefore, as a whole, here parallel is not absolute parallel.Finite angle The slightly deviation of degree is also in the range of the application covers.

Grass-mowing machine 100 ' further includes the rolling member 80 of support grass-mowing machine.Certainly in other embodiments, it can also use and slide Moving part (not shown) supports grass-mowing machine.Wherein, sliding part can be the metallic steel wire ring of camber shape.

The rolling member 80 is mounted on casing 14 ', and positioned at the upside of shield 12 ', can the conduct under deburring pattern Deburring support wheel, and further guide the movement of grass-mowing machine 100 '.Rolling member 80 includes trimming rolling wheel 81 and is connected to casing Linking arm 83 on 14 '.In the present embodiment, when grass-mowing machine is under deburring state, and second handle 40 ' is positioned at first When putting, the rotating direction of trimming rolling wheel 81 and operator towards direction it is consistent.Further, when second handle 40 ' is located at During first position (one-handed performance), and when grass-mowing machine is under deburring state, 81 diametrical section of trimming rolling wheel and extension rod 20 ' section in the axial direction is parallel or coplanar；Further, the ring body portion 31 of first handle 30 ' is axial in extension rod 20 ' On section and 81 diametrical section of trimming rolling wheel it is parallel or coplanar.In this way, when being further ensured that operator's deburring operation The comfort of operation.In the present embodiment, the number of trimming rolling wheel 81 is two, and two idler wheels are connected to one by wheel shaft 85 It rises.Certain trimming rolling wheel can also be arranged to one or more wheel.The wheel shaft 85 of trimming rolling wheel 81 is equipped with idler wheel central shaft Line y.Under deburring pattern, the idler wheel central axis y of trimming rolling wheel 81 is parallel with the first axle X ' for line rotary shaft of beating the grass to be set It puts.Grass-mowing machine 1 performs deburring operation in perpendicular.User can push grass-mowing machine and carry out deburring along corner or roadside. It beats the grass under pattern, the idler wheel central axis y of trimming rolling wheel and the similary parallel settings of the first axle X ' for line rotary shaft of beating the grass.Even Wheel shaft 85 and connected is directed toward in the one end for connecing arm 83, and the center that the other end is directed toward casing 14 ' is simultaneously connected, passes through company It connects arm 83 trimming rolling wheel 81 is fixedly mounted on casing 14 ', linking arm 83 is the rod-like element of bending, but is not limited to the bar of bending Shape part can also be linear type rod-like element.Certainly, in other embodiments, linking arm 83 can also be arranged to casing 14 ' Dismountable connection, repair to be facilitated to replace trimming rolling wheel 81.

As shown in Figure 1, Figure 2 and shown in Fig. 4, extension rod 20 ' be telescopic rod, the height or operation that operator can be according to itself Demand adjust extension rod 20 ' length, to reach comfortable user experience.Preferably, the periphery of extension rod 20 ', which is arranged with, stretches Contracting set 21, the telescopic 21 can be in the radially rotations of extension rod 20 ', to realize that extension rod 20 ' is stretched or solid in the axial direction It is fixed.Extension rod 20 ' includes the first bar portion and the second bar portion that are set-located, which is arranged on the first bar portion and second The junction of bar portion.Specifically, when operator needs to increase or shortens the length of extension rod 20 ', it is only necessary to rotary extension set 21 so that telescopic 21 and extension rod 20 ' are in release conditions, so as to elongate extension rod 20 ' or compress extension rod 20 ' Realize the adjusting of 20 ' length of extension rod.In the present embodiment, telescopic 21 is rubber material, which is included in axis The convex ribs 22 of upward spaced several strips and the recessed portion 23 being arranged between two neighboring convex ribs.Pass through convex ribs 22 Setting increase operator's hand and telescopic 21 between frictional force, conducive to operator by rotary extension set 21 come adjust extension The length of bar 20 '.Certainly in other embodiments, the adjusting of 20 ' length of extension rod can also pass through button regulating device etc. Other common adjustment length devices realize that large fierce dog is not stated one by one herein.

In the present embodiment, one end of the connection of extension rod 20 ' head 10 ' is additionally provided with hinge portion 15, and extension rod 20 ' is around pivot 15 selectable court of axle portion rotates away from the rotation of the direction of shield 12 ' or towards close to the direction of shield 12 '.In this way, extension rod 20 ' relative to nose-high or can be rotated down with hinge portion 15 for the center of circle, realize that extension rod 20 ' is in office relative to hinge portion 15 It anticipates and works on preset rotational angle.Further, towards close under the one-handed performance state that extension rod 20 ' can be shown in Fig. 1 The direction of shield 12 ' rotates clockwise downwards the angle of 15 degree, 30 degree, 35 degree, 45 degree, 50 degree and bigger.20 ' energy of extension rod Under enough storage states shown in Fig. 3, towards rotated counterclockwise upwards away from the direction of shield 12 ' 15 degree, 30 degree, 35 degree, 45 degree, 50 degree, 60 degree, 75 degree, 90 degree, 105 degree, 120 degree and the angle of bigger.It is so designed that so that operator can be according to reality Situation easily carries out beat the grass operation or deburring operation to lawn at any angle.Preferably, when grass-mowing machine 100 ' is in beating the grass When under state, extension rod 20 ' and cutting planes are arranged at an angle, which is 35~50 degree (preferably 45 degree), is suitble to Grass-mowing machine 100 ' is placed in its cutting planes state parallel with ground to carry out work of beating the grass by user.When grass-mowing machine 100 ' is in During deburring pattern, extension rod 20 ' and the substantially parallel arrangement of cutting planes, the angle of formation are suitble to user that will beat no more than 5 degree Careless machine is placed in the vertical state of its cutting planes and ground to carry out deburring work.Preferably, in the state of beating the grass or deburring state Under, extension rod 20 ' is arranged at an angle with ground person of outstanding talent, which is 30~50 degree, which can be specially 30 degree, 35 degree, 40 degree, 45 degree, 50 degree.Preferably 45 degree, which can meet the needs of general operation person's height, comfortable with best operation Sense.

In the utility model, by adjusting telescopic 21, hinge portion 15 and combining one-handed performance, grass-mowing machine may be such that Smoothly to short corner or when arranging the turf in narrow space, (such as lawn under Park long chair, some bushes Beneath turf) beat the grass operation while be also avoided that operator is squatted down and either bent over or arm bending operation, It greatly reduced the fatigue strength of operation and the discomfort of operation.Operating process is described in detail, and (the present embodiment is with Park long chair as follows It illustrates)：First, operator can adjust the angle between extension rod 20 ' and ground according to the height of bench seat, it is ensured that beat The head 10 ' of careless machine can be stretched into corner.It is specifically, extension rod 20 ' is clockwise downwards or counterclockwise relative to hinge portion 15 It is rotated up to suitable operating angle position.Then, operator can cover the 21 suitable extension rods 20 ' of selection by rotary extension Length；Finally second handle 40 ' is adjusted to the first position of one-handed performance.It should be clear that aforesaid operations process is only For an example, there is no uniqueness, the sequence of specific operating process can be adjusted according to the custom of operator.This implementation 100 ' structure of grass-mowing machine in example passes through the cooperation of telescopic 21 and hinge portion 15 so that head 10 ' can smoothly stretch into short angle The inside fallen carries out operation of beating the grass, by the position for adjusting second handle 40 ' so that the body of operator do not need to bending or It squats down, the arm of operator can keep vertical state substantially, have good work comfort degree.

In the present embodiment, head 10 ' is provided in can radially turning relative to extension rod 20 ' for extension rod 20 ' Dynamic predetermined angle, is converted with realizing head 10 ' between deburring state and state of beating the grass.Preferably, head 10 ' including with extension Diametrically opposite extension of the head 10 ' in extension rod 20 ' is realized in the rotation section 17 of the first end connection of bar 20 ', the rotation section 17 Bar 20 ' is rotated.In the present embodiment, rotation section 17 can under state shown in fig. 1 or fig. 2 of beating the grass by operator forward It pulls and is rotated by 90 ° to side, so as to obtain deburring state shown in Fig. 4.Specific operation process is：First so that extension rod 20 ' rotate clockwise downwards relative to hinge portion 15, until extension rod 20 ' is substantially parallel with ground；Then operator is forward Rotation section 17 is pulled, and rotation section 17 is rotated by 90 ° to side so that extension rod 20 ' keeps horizontal substantially with cutting planes. So realize switching of the grass-mowing machine between the state of beating the grass and deburring state.Operator is needed compared to general grass-mowing machine 100 ' Head or complete machine rotation 180 degree could be realized to the switching of the state of beating the grass and deburring state, the embodiment of the utility model is easier to It operates, is more practical.By the cooperation between telescopic 21, hinge portion 15 and rotation section 17, operator is not only made to adjust extension rod 20 ' with the position relationship of head 10 ', different beat the grass action and user experiences is obtained, it is also possible that grass-mowing machine is in work of beating the grass Make state and deburring state switches over.

Extension rod 20 ' is usually additionally provided with energy close to the position of Handleset 3040 ' and provides unit, for for grass-mowing machine 100 ' provide power.In the present embodiment, it is battery pack 50 ', preferably lithium battery pack which, which provides unit,.Certainly at other In embodiment, by installing gasoline engine or power can also be provided for grass-mowing machine with power cord external alternating current.In this reality In novel, battery pack 50 ' is distributed in the opposite first end and second end of extension rod 20 ' with motor.The weight of battery pack 50 ' The percentage for accounting for 100 ' weight of grass-mowing machine is more than the percentage that motor accounts for 100 ' weight of grass-mowing machine.Specifically, it is connected to extension rod The weight of the head 10 ' of 20 ' first ends and the 50 ' gross weight of Handleset 3040 ' and battery pack for being connected to 20 ' second end of extension rod The ratio range of amount is 1：0.7~3：7.Relative to the external exchange driving of power cord, DC driven can reduce the weight of motor, And then realize the weight for reducing grass-mowing machine complete machine.In the present embodiment, the weight of grass-mowing machine is less than 2.8kg.So that behaviour Machine is more easily lifted and mitigates the fatigue strength of long working operator's arm by author.

In addition the position of battery pack 50 ' is placed on the side of extension rod 20 '.Specifically, battery pack is arranged on first handle 30 ' lower section.It is moved after realizing the center of gravity of grass-mowing machine 100 ', center of gravity layout is more reasonable, and operator is lifted by Handleset 3040 ' Grass-mowing machine 100 ' can be more laborsaving when working.In the present embodiment, the position of centre of gravity of grass-mowing machine 100 ' is located at extension rod 20 ' The side of upper close battery pack 50 '.Specifically, the projection of the center of gravity of grass-mowing machine 100 ' on the ground is held with first handle 30 ' The vertical range that the center of position projects on the ground is 10cm~50cm.The vertical range can be 10cm, 20cm, 25cm, 30cm、35cm、40cm、45cm、50cm.Preferably, when the vertical range is 25cm~40cm, the position of centre of gravity of grass-mowing machine leans on The second end and complete machine layout of nearly extension rod are more reasonable, and can reduce under long working, the fatigue strength of operator's arm.

It is the second embodiment of the utility model as shown in Fig. 5 to 15, the grass-mowing machine 100 of the present embodiment prolongs including lengthwise Extension rod 20, the head 10 set on 20 one end of extension rod stretched, set on the Handleset 3040 of 20 other end of extension rod.

Head 10 includes shield 12, casing 14, the motor (not shown) being set in casing 14, is driven and enclosed by motor Around the moving head 16 of axis X rotation.Axis X is the rotation axis of moving head 16.Cutting member 18 is equipped in moving head 16, is beaten Toothed burclover 16, which is driven to rotate, drives 18 synchronous rotary of cutting member in moving head 16 so as to beat the grass.In this embodiment, cutting member 18 be line of beating the grass.When moving head rotates, line one cutting vertical with axis X of formation of beating the grass for stretching out 16 part of moving head is put down Face, for carrying out finishing cutting to lawn.As it is known by the man skilled in the art, cutting member can also other forms, such as blade Form.Preferably, the attachmentes such as idler wheel, shield flower steel wire can be also equipped on head 10.

The grass-mowing machine 100 of the present embodiment has pattern and the deburring pattern of beating the grass.When grass-mowing machine 100, which is in, beats the grass pattern, Extension rod 20 and aforementioned cutting planes are at an angle of arrangement, which is preferably greater than 30 degree, and user is suitble to put grass-mowing machine 100 Work of beating the grass is carried out in its cutting planes state parallel with ground.When grass-mowing machine 100 is in deburring pattern, extension rod 10 The substantially parallel arrangement with cutting planes, the angle of formation are suitble to user that grass-mowing machine 100 is placed in its cutting and put down no more than 5 degree Face and ground vertical state carries out deburring work.

In the present embodiment, it is connected between extension rod 20 and head 10 by shaft 11, shaft 11 is parallel to aforementioned cutting Horizontal layout, extension rod 20 11 are rotated relative to head 10, are switched between pattern and deburring pattern in aforementioned beating the grass around the shaft.

In the present embodiment, extension rod 20 extends along longitudinally, and there are two ends for tool on longitudinally.Such as Fig. 5 institutes Show, for convenience, the first end that the end that extension rod 20 is connect with head 10 is extension rod 20 is defined respectively, with respect to first Another end at end is the second end of extension rod 20.

As shown in figure 5, in the present embodiment, 20 second end of extension rod is nearby provided with power supply, specially DC power supply, directly Galvanic electricity source is using battery pack 50, preferably lithium battery pack.DC power supply 50 and head 10 are divided into extension rod 20 as a result, Both ends, and Handleset 3040 is arranged on the position of relatively close power supply 50 on extension rod 20, so as to entire 100 center of gravity of grass-mowing machine Rationally distributed, operator is lifted by Handleset can be more laborsaving when grass-mowing machine 100 works.

Refer to Fig. 5 and Fig. 6, in the present embodiment, Handleset 3040 is included before being set near 20 second end of extension rod Handle 30 and the back handle 40 set on 20 second end of extension rod.Front hand grip 30 and 40 setting spaced apart of back handle, with The person of being conveniently operated reliably lifts grass-mowing machine 100 and works.

Front hand grip 30 is fixedly connected on position near 20 second end of extension rod, it is specific as in manufacturing process directly with extension Bar 20 is integrally formed or is socketed or is clamped or screw-driving is on extension rod 20.Front hand grip 30 is towards the first end of extension rod 20 Direction, specifically, the angle α of the first extreme direction of the central axes Z of front hand grip 30 and the central axes Y of 20 longitudinally of extension rod For acute angle.Starting switch 70 is arranged in front hand grip 30.So set, operator is when holding front hand grip 30, you can by holding Finger is held to touch starting switch 70 and then grass-mowing machine 100 is controlled to work.Operator's false triggering startup in order to prevent goes into operation 70, preceding Handle 30 sets a safety switch 72 close to the another location of starting switch 70.Operator only trigger safety switch 72 after or It triggers safety switch 72 and starting switch 70 simultaneously and could start grass-mowing machine 100 and work.In the present embodiment, by starting switch 70 It is all disposed in front hand grip 30 with safety switch 72, the person's of being conveniently operated one hand is with regard to that can control grass-mowing machine 100 to work.

As shown in figure 8, a kind of shape setting of front hand grip 30.In this embodiment, front hand grip 30 includes the first grip part 32 and second grip part 34.As shown in figure 8, the first grip part 32 and the second grip part 34 be substantially in elongated, and the length of the two Direction is generally perpendicular to each other.As it is known by the man skilled in the art, the shape of front hand grip 30 sets not only an example shown in Fig. 8, only need The shape of front hand grip 30 can realize person's palm grip easy to operation.As the first grip part 32 not for it is elongated be it is spherical, Or the shape of front hand grip 30, similar to crossbeam shape or handlebar shape or only there are one grip part etc., details are not described herein again.

Refer to Fig. 5 to Fig. 7, in the present embodiment, back handle 40 is movably connected in the second end of extension rod 20.Specifically, As shown in Figure 10, back handle 40 is pivoted around the pivotal axis 61 for extending generally vertically 20 longitudinally of bar, and it is opposite to change back handle 40 The position relationship of front hand grip 30.Operator freely selects one and is suitble to oneself singlehanded behaviour by adjusting the position of back handle 40 Make position (first position) or both hands operating position (second position).Back handle 40 is around pivotal axis in first position and second The process switched between putting is as shown in Figure 6.As shown in fig. 6, when back handle 40 is in first position, back handle 40 and extension rod 20 angle is β 1.As shown in fig. 7, when back handle 40 is in the second position, back handle 40 and the angle of extension rod 20 are β 2. β 1 is different from the angle of β 2.As it is known by the man skilled in the art, the first position and the second position of defined herein back handle are Adjustable, i.e., back handle is releasably locked at a plurality of first positions and the second place.

Back handle 40 is equipped with retaining mechanism 60 with 20 second end junction of extension rod.Operator presses loose (or unscrew, open) Retaining mechanism 60, back handle 40 can freely be pivoted around pivotal axis 61.When operator adjusts back handle 40 to required position, release (or screw, close) retaining mechanism 60 is put, back handle 40 is secured to required position, it is impossible to be rotated around pivotal axis 61.Such as ability Known to field technique personnel, the 60 specific structure type of retaining mechanism of above-mentioned function is realized there are many various, such as cam spanner machine Structure, knob buckle structure etc., take a single example herein, it is impossible to limit the utility model with the concrete structure of the embodiment.

In the present embodiment, the concrete structure of retaining mechanism 60 is as shown in Figure 10.Retaining mechanism 60 includes elastic component 63, internal tooth Part 67 and outer tooth 65.In the present embodiment, extension rod 20 is clamped by 202 and second half-shell bar 204 of first half-shell bar.Afterwards Handle 40 is being equipped with loop connecting portion 406 with the junction of extension rod 20.As shown in figure 11, loop connecting portion 406 along substantially hang down Equipped with through-hole, the side inner wall of through-hole is equipped with outer tooth in the direction (illustrating M directions) of 20 lengthwise central axes Y of straight extension rod 65.Extension rod 20 is being equipped with ring-type groove portion with the junction of back handle 40, and ring-type groove portion is matched with loop connecting portion 406.The Two half-shell bars 204 are equipped with a pillar 208 in ring-type groove portion position, and pillar 208 is equipped with the groove for accommodating elastic component 63 along M directions. It is set on pressing piece 69 to the interior tooth 67 of cooperation with outer tooth 65.63 one end of elastic component is located in the groove of pillar 208, one end In pressing piece 69.One end of pressing piece 69 is matched with pillar 208, is formed one and is extended generally vertically 20 lengthwise central axes of bar Direction pivotal axis 61.Pivotal axis 61 is located in the through-hole in loop connecting portion 406, the outer tooth 65 on the side inner wall of through-hole It is matched with the interior tooth 67 on pressing piece.When elastic component 63 in a state of nature when, interior tooth 67 is engaged with outer 65 phase of tooth, Back handle 40 is relatively fixed with extension rod 20.When elastic component 63 is in compressive state, interior tooth 67 is detached from outer tooth 65, defensive position Handle 40 is relatively movable with extension rod 20.

When operator needs to adjust the relative position of back handle 40 and extension rod 20, operator presses pressing piece 69, from And elastic component 63 is changed into compressive state from reset condition, interior tooth 67 is separated with outer tooth 69, the operable defensive position of operator Handle 40 is rotated around pivotal axis 61, and back handle 40 is adjusted to its desired position.When back handle 40 is adjusted to needed for operator Position when, operator unclamps pressing piece 69, and elastic component 63 is changed into reset condition under the action of elastic force by compressive state, Interior tooth 67 is engaged again with outer tooth 69, fixes back handle 40 and extension rod 20.

As shown in figure 9, a kind of shape setting of back handle 40.In this embodiment, back handle 40 includes third grip part 44 and support portion 42.44 person's of being conveniently operated palm grip of third grip part, 42 person of being conveniently operated of support portion by part arm or Elbow or wrist lean on.In this embodiment, third grip part 44 is substantially in elongated rod-shaped, one end and the extension rod 20 of stock Second end flexible connection, stock the other end connection support portion 42.In this embodiment, the shape of support portion 42 is rendered as recessed Portion, such as groove, pit or concave arc shape.In this embodiment, support portion 42 is specifically by the first arcuation wall 421 and the second arcuation wall 422 recess portions formed.Preferably, connection can be set to certain angle between support portion 42 and third grip part 44.Such as ability Known to field technique personnel, the shape of back handle 40 sets not only an example shown in Fig. 8, and behaviour can be realized by only needing the shape of back handle 40 Author had not only facilitated palm grip but also had had support arm or elbow or wrist function.

Figure 12 and Figure 13 are referred to, illustrates how operator is realized using the utility model embodiment grass-mowing machine 100 One-handed performance mode and both hands mode of operation.Since same mode of operation is not in pattern of beating the grass by grass-mowing machine 100 or is in Deburring pattern and influence, so the utility model, which is only in beat the grass with grass-mowing machine 100, illustrates how operator makes under pattern With one-hand operating format and both hands operation mode.

As shown in figure 12, operator's one hand is worked using grass-mowing machine 100.One hand of operator holds the second of front hand grip 30 Grip part 34.Back handle 40 is adjusted to shown position so that the elbow portion that operator holds front hand grip 30 just rests on defensive position At the support portion 42 of handle 40.Operator is supported on support portion 42 by holding the second grip part 34 and elbow, can not only be easily Grass-mowing machine 100 is lifted, moving left and right grass-mowing machine 100 along cutting planes works, and also improves grass-mowing machine 100 and operated Stability in journey.Operator in one-handed performance, hold grass-mowing machine arm or elbow by resting at support portion 42, The power that operator holds grass-mowing machine is reduced, improves the comfort level of arm during beating the grass.Back handle 40 can prolong around substantially vertical The pivotal axis 61 of 20 longitudinally of boom pivots, and operator can freely adjust back handle 40 according to itself height or custom etc. Position, adjust back handle 40 to the position of its one-handed performance mode the most comfortable.

As shown in figure 13, operator's both hands are worked using grass-mowing machine 100.One hand of operator holds the first of front hand grip 30 Grip part 32.Back handle 40 is adjusted to shown position so that with the most comfortable posture holds back handle to second hand of operator 40 third grip part 44.Operator holds the first grip part 32 by a hand and another hand holds third grip part 44. Operator can easily lift grass-mowing machine 100, and moving left and right grass-mowing machine 100 along cutting planes works.Another excellent In the mode of operation of choosing, the wrist that operator holds the hand of third grip part 44 can be rested the head on support portion 42 so that oneself It is more comfortable during beating the grass.Back handle 40 can be pivoted around the pivotal axis 61 for extending generally vertically 20 longitudinally of bar, operation Person can freely adjust the position of back handle 40 according to itself height or hobby etc., adjust back handle to its both hands mode of operation The position of the most comfortable.

Since starting switch 70 and safety switch 72 are all disposed at front hand grip 30, either one-handed performance grass-mowing machine 100 Or both hands operation grass-mowing machine 100, operator can easily control the startup and stopping of grass-mowing machine 100.

In the embodiment of the utility model, back handle 40 around the rotation of pivotal axis 61 by that can adjust multiple positions, side Convenient to operate person's unrestricted choice one-handed performance mode or both hands mode of operation.If as it is known by the man skilled in the art, grass-mowing machine 100 It need to realize one-hand operating format, then back handle 40 is to be fixedly connected with extension rod second end.Concrete structure still as shown in figure 5, Back handle 40 is in first position, and back handle 40 is to be fixedly connected with the connection of extension rod second end, i.e., back handle 40 is with prolonging Rotary shaft 61 and retaining mechanism 60 are no longer equipped between boom second end.Similarly, if grass-mowing machine 100 only needs to realize both hands operation Pattern, then back handle 40 is in the second position as shown in Figure 7, and back handle 40 and the connection of extension rod second end connect to be fixed It connects.In this embodiment, front hand grip 30 with the structure setting of back handle 40 still as above-described embodiment, only back handle 40 It no longer rotates, and is integrally fixed at a certain position, only individually realize one-handed performance mode or both hands mode of operation.

As shown in Figure 14 and Figure 15, the another specific embodiment of grass-mowing machine 100.In this embodiment, front hand grip 30 is with after Handle 40 is fixedly connected into one handle component 3040.Front hand grip 30 and the relative position of back handle 40 are fixed.Handleset 3040 are movably connected in the second end of extension rod 20, are pivoted around the pivotal axis 61 for extending generally vertically 20 longitudinally of bar, change Handleset 3040 is with respect to the position relationship of extension rod 20.Operator is freely selected by the position of regulation handle component 3040 Select oneself suitable one-handed performance position (first position) as shown in figure 14 or oneself suitable both hands as shown in figure 15 Operating position (second position).As it is known by the man skilled in the art, the first position of defined herein Handleset 3040 and Two positions are adjustable, i.e., Handleset 3040 is releasably locked at a plurality of first positions and the second place.Handle Component 3040 is equipped with retaining mechanism 60 with 20 second end junction of extension rod.The concrete structure and mode of operation of retaining mechanism 60 are such as Embodiments thereof described above is similar, and details are not described herein again.

The utility model is not limited to lifted specific embodiment structure, and the structure based on the utility model design belongs to Scope of protection of the utility model.

Claims

1. a kind of grass-mowing machine, including：

The extension rod of lengthwise extension, the extension rod are equipped with first end and the second end opposite with first end along longitudinally；

The head of work is performed, the head is connected with the first end of the extension rod；

For operator operation Handleset, the Handleset include be connected to the extension rod second end first handle and Second handle；

It is characterized in that, the second handle includes at least one operating position, at least one operating position is included the Two handles are arranged on the first position that leaning support can be provided for the arm or elbow of operator, and the second handle is at first It puts and coordinates jointly with the first handle to realize one-handed performance, the grass-mowing machine has the state of beating the grass under one-handed performance With deburring state, the head be provided in the extension rod radially can relative to the extension rod rotate preset angle Degree, is converted with realizing the head between deburring state and state of beating the grass.

2. grass-mowing machine according to claim 1, which is characterized in that the head include shield and with the extension rod the The hinge portion that one end is connected, the extension rod around the selectable court in the hinge portion away from the shield direction rotation or Person rotates towards close to the direction of the shield.

3. grass-mowing machine according to claim 1, which is characterized in that the extension rod is telescopic rod.

4. grass-mowing machine according to claim 1, which is characterized in that the head includes casing, is set in the casing Motor and the cutting member that is driven by the motor, the cutting member rotate to form cutting planes, repaiied when the grass-mowing machine is in Under the state of side, and when the second handle is located at first position, the cutting planes and operator towards direction it is parallel.

5. grass-mowing machine according to claim 4, which is characterized in that the projection of the first handle on the ground is prolonged with described The projection of boom on the ground is parallel or conllinear.

6. grass-mowing machine according to claim 5, which is characterized in that when the grass-mowing machine is under deburring state, described Section of the one handle in the extension rod axial direction is parallel or coplanar with the cutting planes.

7. grass-mowing machine according to claim 1, which is characterized in that the grass-mowing machine is included under deburring state described in support The sliding part or rolling member of grass-mowing machine.

8. grass-mowing machine according to claim 7, which is characterized in that the rolling member includes at least one trimming rolling wheel, when The grass-mowing machine is under deburring state, and when the second handle is located at first position, the rotating direction of the trimming rolling wheel With operator towards direction it is consistent.

9. grass-mowing machine according to claim 8, which is characterized in that described to repair when the grass-mowing machine is under deburring state Section and the section of the extension rod in the axial direction are parallel or coplanar radially for side idler wheel.

10. grass-mowing machine according to claim 1, which is characterized in that when the second handle is located at singlehanded use state During first position, the angle that arm and the ground of operator are formed is more than or equal to 90 degree, and less than or equal to 140 degree.

11. grass-mowing machine according to claim 1, which is characterized in that the first handle includes being closed the extension rod the The ring body portion at two ends, the ring body portion include the first grip part held for operator, when the second handle is located at singlehanded grasp During the first position of work, first grip part is more than or equal to 90 degree, and be less than or equal to the angle that the second handle is formed 140 degree.

12. grass-mowing machine according to claim 1, which is characterized in that at least one operating position is included second-hand Handle is adjustable to be arranged on the second position held for operator, the second handle on the second position with the first handle Common cooperation is to realize that both hands operate, second handle shape on the second position and direction of the extension rod towards first end Into there is the second angle, second angle is acute angle, and the second handle is on first position with the extension rod towards first The first angle is formed on the direction at end, first angle is obtuse angle.

13. grass-mowing machine according to claim 12, which is characterized in that at least one operating position is included second-hand Handle is arranged on so that the grass-mowing machine is in the third place of storage state, and the second handle is in the third place and the extension Bar is less than the number of degrees of second angle towards third angle, the number of degrees of third angle are formed on the direction of first end.

14. grass-mowing machine according to claim 13, which is characterized in that first, second, third position of the second handle It is adjustable, the second handle is releasedly locked at a plurality of first positions, the second position and the third place.

15. grass-mowing machine according to claim 13, which is characterized in that the grass-mowing machine further includes the control second handle The retaining mechanism of operating position adjusting is carried out, the retaining mechanism causes the second handle at least one operating position Any operating position be locked and carry out release adjustment in any operating position.

16. grass-mowing machine according to claim 15, which is characterized in that the second handle includes what is connect with retaining mechanism The support portion of two extensions of two extensions and connection opposite each other, when the second handle is located at first position, institute First handle to be stated to be hold by one hand for operator, the support portion of the second handle is leaned on for the arm or elbow of operator, To realize one-handed performance；When the second handle is located at the second position, the first handle is with the second handle for behaviour The both hands of author, which correspond to, to be held, to realize that both hands operate.

17. grass-mowing machine according to claim 16, which is characterized in that the support portion is the arm or elbow for operator The recess portion of the arc shape of dependence.

18. grass-mowing machine according to claim 4, which is characterized in that the grass-mowing machine further comprises carrying to head For the energy unit of energy, the energy unit is battery pack.

19. grass-mowing machine according to claim 18, which is characterized in that the battery pack is arranged on the one of the first handle Side.

20. grass-mowing machine according to claim 18, which is characterized in that the battery pack is located at described respectively with the motor The opposite first end and second end of extension rod.

21. grass-mowing machine according to claim 18, which is characterized in that the motor accounts for the percentage of the grass-mowing machine weight Less than the percentage that the battery pack accounts for the grass-mowing machine weight.

22. grass-mowing machine according to claim 18, which is characterized in that be connected to the weight of the head of the extension rod first end The ratio for measuring and being connected to the Handleset of the extension rod second end and the total weight of battery pack is 1：0.7~3：7.

23. grass-mowing machine according to claim 1, which is characterized in that the weight of the grass-mowing machine is less than 2.8kg.

24. grass-mowing machine according to claim 18, which is characterized in that the center of gravity of the grass-mowing machine is located at the extension rod and leans on The side of nearly battery pack.

25. grass-mowing machine according to claim 1, which is characterized in that the projection of the center of gravity of the grass-mowing machine on the ground with 10~50cm of vertical range between the projection of the center of the first handle on the ground.