CN107094421A

CN107094421A - Grass-mowing machine

Info

Publication number: CN107094421A
Application number: CN201710106138.3A
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: 2017-08-29
Also published as: CN107094419A; CN107094420A; CN207543620U; CN207543621U; CN206686614U; WO2017143994A1

Abstract

A kind of grass-mowing machine, including：The extension rod of lengthwise extension, the extension rod is provided with first end and second end relative with first end along longitudinally；The head of work is performed, the head is connected with the first end of the extension rod；The Handleset operated for operator, the Handleset includes the first handle and second handle for being connected to the end of extension rod second；The second handle includes at least one operating position, at least one operating position includes the second handle being arranged on that the first position of leaning support can be provided for the arm or elbow of operator, the second handle coordinates to realize one-handed performance jointly on first position with the first handle, and the grass-mowing machine has beat the grass state and deburring state under one-handed performance.The grass-mowing machine that the present invention is provided, meets user and independently selects one-handed performance or bimanualness, improve the experience sense of user.

Description

Grass-mowing machine

Technical field

The present invention relates to a kind of outdoor Horticultural cutting tool, more particularly to a kind of grass-mowing machine.

Background technology

Green vegetation is a kind of essential environmental key-element of our mankind, and the consciousness of greening becomes more and more popular.Nothing By the courtyard for being golf course, football pitch, villa garden, villa, or common residential area, green turf is ubiquitous, gives The life of people brings life and vigor.But if having left arranging for people, these turfs can become height and rise and fall, in a jumble 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 driving cutting member rotation to be allowed to beat the grass, generally include the extension rod of lengthwise extension, the head located at extension rod first end, set Front hand grip near the end of extension rod second, the back handle located at the end of extension rod second.Include moving head and driving in head The motor of moving head rotation.Grass-mowing machine work when, moving head be driven in rotation drive moving head in cutting member synchronous rotary from And beat the grass.

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

When user needs to arrange the turf under some bushess or when arranging the turf in narrow space, both hands behaviour Work is highly difficult.User has to use that the hand of one-handed performance grass-mowing machine, i.e., one holds front hand grip or back handle is beaten the grass Operation.Due to the handle set-up mode of existing grass-mowing machine, user is when carrying out one-handed performance, and arm does not have the strong 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 according to demand freely selection one-hand operating format and Bimanualness pattern, and can not ensure that one-hand operating format and bimanualness pattern have stability well and comfortable simultaneously Degree.

The content of the invention

In view of this, the technical problems to be solved by the invention are to provide a kind of grass-mowing machine, and it both beats the grass with one hand Pattern, has singlehanded deburring pattern again, while being beaten the grass in one hand deburring pattern or all has under singlehanded deburring pattern Good stability and comfort level.

The present invention solves the technical scheme that is used of prior art problem：

A kind of grass-mowing machine, including：The extension rod of lengthwise extension, the extension rod is along longitudinally provided with first end and with the The second relative end of one end；The head of work is performed, the head is connected with the first end of the extension rod；For operator behaviour The Handleset of work, the Handleset includes the first handle and second handle for being connected to the end of extension rod second；It is described Second handle includes at least one operating position, and at least one operating position can be including the second handle is arranged on The arm or elbow of operator provide the first position of leaning support, the second handle on first position with it is described first-hand Handle coordinates to realize one-handed performance jointly, and the grass-mowing machine has beat the grass state and deburring state under one-handed performance.

It is preferred that, the head includes casing, the motor being arranged in the casing and the cutting driven by the motor Part, the cutting member rotates to form cutting planes, 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.

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

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

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

It is preferred that, 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 positioned at first position, the rotating direction of the trimming rolling wheel and operator towards direction it is consistent.

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

It is preferred that, the head is provided in can radially being rotated relative to the extension rod for the extension rod and preset Angle, to realize that the head is changed between deburring state and state of beating the grass.

It is preferred that, 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 direction of the shield, or is rotated towards the direction close to the shield.

It is preferred that, the extension rod is telescopic rod.

It is preferred that, the first handle includes closing the ring body portion at the end of extension rod second, and the ring body portion includes supplying The first grip part that operator grips, 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 with the angle of second handle formation, and less than or equal to 140 degree.

It is preferred that, when the second handle is located at the first position under one-handed performance, arm and the ground shape of operator Into angle be more than or equal to 90 degree, and be less than or equal to 140 degree.

It is preferred that, at least one described operating position includes adjustable be arranged on of second handle supplying what operator gripped The second place, the second handle coordinates to realize bimanualness jointly on the second place with the first handle, and described the Two handles are in the second place and the extension rod towards the second angle is formed with the direction of first end, and second angle is sharp Angle, the second handle on first position with the extension rod towards the first angle is formed with the direction of first end, it is described First angle is obtuse angle.

It is preferred that, at least one described operating position includes second handle being arranged on so that the grass-mowing machine is in storage 3rd position of state, the second handle is in the 3rd position and the extension rod towards being formed with the 3rd on the direction of first end Angle, the number of degrees of the 3rd angle are less than the number of degrees of second angle.

It is preferred that, 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 place and the 3rd position.

It is preferred that, the grass-mowing machine also includes the retaining mechanism for controlling the second handle to carry out operating position regulation, institute State retaining mechanism so that the second handle any operating position of at least one operating position it is locked and Any operating position carries out release adjustment.

It is preferred that, the second handle includes opposite each other two extension being connected with retaining mechanism and connection two The supporting part of extension, when the second handle is located at first position, the first handle is hold by one hand for operator, described The supporting part of second handle is leaned on for the arm or elbow of operator, to realize one-handed performance；When second handle position When the second place, the first handle is available for the both hands of operator are corresponding to grip with the second handle, to realize that both hands are grasped Make.

It is preferred that, the supporting part is the recess of the arc shape leaned on for the arm or elbow of operator.

It is preferred that, the grass-mowing machine further comprises the energy unit for providing energy to head, the energy unit For battery bag.

It is preferred that, the battery bag is arranged on the side of the first handle.

It is preferred that, the battery bag and the motor are located at the relative first end and second of the extension rod respectively End.

It is preferred that, the percentage that the motor accounts for the grass-mowing machine weight accounts for the grass-mowing machine weight less than the battery bag Percentage.

It is preferred that, it is connected to the weight of the head of the extension rod first end and is connected to the hand at the end of extension rod second The ratio of the gross weight of handle component and battery bag is 1：0.7~3：7.

It is preferred that, the weight of the grass-mowing machine is less than 2.8kg.

It is preferred that, the center of gravity of the grass-mowing machine is located at the extension rod close to the side of battery bag.

It is preferred that, the center of the projection of the center of gravity of the grass-mowing machine on the ground and the first handle is on the ground Projection between 10~50cm of vertical range.

The technical problems to be solved by the invention are to provide a kind of grass-mowing machine, and both there is one hand to beat the grass pattern for it, have again Have singlehanded deburring pattern, while one hand beat the grass deburring pattern or under singlehanded deburring pattern all with good stabilization Property and comfort level.

The present invention solves another technical scheme for being used of prior art problem：

A kind of grass-mowing machine, including：The extension rod of lengthwise extension, the extension rod is along longitudinally provided with first end and with the The second relative end of one end；The head of work is performed, the head is connected with the first end of the extension rod；For operator behaviour The Handleset of work, the Handleset includes the first handle and second handle for being connected to the end of extension rod second；It is described Second handle includes at least one operating position, and at least one operating position can be including the second handle is arranged on The arm or elbow of operator provide the first position of leaning support, the second handle on first position with it is described first-hand Handle coordinates to realize one-handed performance jointly, and the arm that operator is supported is formed with the extension rod towards the direction of first end Angle is 90 degree~180 degree.

It is preferred that, the angle of the arm that operator is supported and extension rod formation is 120 degree~150 degree.

Compared with prior art, the present invention at least has the advantages that：

1. the present invention can be worked by second handle on different operating positions, so that operator be free to selection One-handed performance mode or bimanualness mode.

2. the grass-mowing machine of the present invention both has pattern of beating the grass, there is deburring pattern again, and change by the position of second handle Become, realize the performance of grass-mowing machine a tractor serves several purposes, i.e., with singlehanded deburring, it is singlehanded beat the grass, four kinds that both hands deburring, both hands are beaten the grass Work pattern, has better met the job requirements of different operating person.

3. when to short corner beat the grass operation, telescopic extension bar can be coordinated by one-handed performance, realize behaviour Author need not bend over or squat down to fulfil assignment, with comfortable Consumer's Experience.

4. during singlehanded deburring, cutting planes and operator towards direction it is parallel.On the one hand, bimanualness body can be avoided The discomfort that body twisted straps are come, realizes a line (inline) operation；On the other hand, it is easy to which operator 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 preferably.

6. DC driven, reduce grass-mowing machine main screw lift, battery bag and the motor two ends that to be distributed in grass-mowing machine relative, realization The reasonability of front and rear distribution of weight so that operator carries more laborsaving during machine.

Brief description of the drawings

Purpose, technical scheme and the beneficial effect of invention described above can realize this hair by following The detailed description of bright specific embodiment.

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

Fig. 1 is the grass-mowing machine of the first embodiment of the present invention in when beating the grass under state and second handle is located at first position Stereogram.

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

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

Fig. 4 is 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 present invention is located at first position main view direction schematic diagram.

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

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

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

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

Figure 10 is the structural representation of retaining mechanism in Fig. 5.

Figure 11 is the back handle schematic diagram along 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 bimanualness Fig. 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 place main view direction schematic diagram.

Embodiment

As shown in Figures 1 to 4, be the first embodiment of the present invention, the embodiment disclose one kind can in bimanualness and The garden instrument switched between one-handed performance two states, in the present embodiment, the garden instrument mainly pass through hand-held Grass-mowing machine is illustrated.

As shown in Figure 1, Figure 2 and Figure 3, grass-mowing machine 100 ' includes extension rod 20 ', the head of execution work that lengthwise extends 10 ' and for operator operate Handleset 3040 '.Extension rod 20 ' is provided with first end and relative with first end along longitudinally The 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 ' away from Handleset 3040 '.Head 10 ' includes casing 14 ', set The motor (not shown) that is placed in casing and the cutting member rotated in working face around first axle X ' is driven (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 up 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 the bottom of head 10 ' 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 constituted 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 can also be other forms, such as blade.In order to avoid beating the grass Shield 12 ' is fixedly installed on the unexpected injury being likely to result in during machine operation to human body, head 10 '.In order to prevent mistiming of beating the grass Hinder flowers, head 10 ' is additionally provided with shield flower steel wire 13.

Handleset 3040 ' is plastic cement material, and it can be connected to the second of extension rod 20 ' 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 ' includes being connected to extension The first handle 30 ' and second handle 40 ' at the end of bar 20 ' second.

It is preferred that, second handle 40 ' includes at least one operating position, and at least one operating position is included second-hand Handle 40 ' is arranged on can provide the first position for leaning on and supporting for the arm or elbow of operator, and second handle 40 ' is at first Put and coordinate jointly to realize one-handed performance with first handle 30 '.The arm that operator is supported and the direction of extension rod 20 ' first 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.It is preferred that, by experiment, work as behaviour The arm that author is supported 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, the arm supported, close to vertical, can greatly lift the comfort of operation, more meet with ground Kinesiology, man-machine effect is more preferable.Therefore, in the present embodiment, operator is supported arm and extension rod 20 ' are towards the The angle that the direction of one end is formed is preferably 150 degree.

As a kind of preferred embodiment of the present invention, at least one operating position includes second handle 40 ' is adjustable Be arranged on coordinating jointly to realize the second place under bimanualness with first handle 30 '.When second handle is located at the During two positions, first handle 30 ' supplies the both hands of operator are corresponding to grip respectively with second handle, to realize bimanualness.Enter one Step, second handle 40 ' can respectively keep fixing on first position and the second place, and second handle 40 ' is in first position It is upper with extension rod 20 ' towards the angle number of degrees formed on the first extreme direction different from its on the second place with the court of extension rod 20 ' The angle number of degrees formed on to the first extreme direction.Specifically, by second handle at 40 ' first position with the direction of extension rod 20 ' The angle formed on first extreme direction is defined as the first included angle A 3, by second handle 40 ' at the second place with the court of extension rod 20 ' The angle formed on to the first extreme direction is defined as the second included angle A 4.Wherein the first included angle A 3 is obtuse angle, the angle of the first included angle A 3 Degree scope is 90 degree~180 degree.First included angle A 3 can for 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, one hand behaviour When making, the arm or elbow that second handle can give operator are supported or leaned on.Wherein the second included angle A 4 is acute angle, and this The angular range of two included angle As 4 is 40 degree~80 degree.Second included angle A 4 can be 40 degree, 50 degree, 60 degree, 70 degree, 80 degree.It is preferred that It is worth for 60 degree.It is so designed that so that line and ground between the peak of first handle 30 ' and the peak of second handle 40 ' Face is substantially parallel setting, to realize that during bimanualness, it is more laborsaving that operator carries machine.

As another preferred embodiment of the present invention, as shown in figure 3, at least two operating positions also include making equipment The 3rd position in storage state, second handle 40 ' can keep fixing on the 3rd position.Specifically, by second handle 40 ' The angle formed at three positions and on the first extreme direction of direction of extension rod 20 ' is defined as the 3rd included angle A 5.In this embodiment party In formula, the 3rd included angle A 5 is acute angle, and the number of degrees of the 3rd included angle A 5 are less than the number of degrees of the second included angle A 4, the angle model of the 3rd included angle A 5 Enclose for 0~20 degree, preferred value is 5 degree.It is so designed that, when grass-mowing machine is in storage state, reduces shared during machine storage Space and convenient transport.

Further, the first position of second handle 40 ', the second place, the 3rd position are adjustable, second handles Releasedly it is locked at a plurality of first positions, the second place and the 3rd position.On the one hand, operator can adjust as needed The position for saving second handle 40 ' carries out the switching (one-handed performance or bimanualness) of different operating states；On the other hand, it is beneficial to Further regulation 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 from first position regulation to the second place or the Three positions.Grass-mowing machine includes the retaining mechanism (not shown) that control second handle 40 ' carries out operating position regulation.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 is knob locking device, the knob locking device bag Include the pin portion of knob and the column being connected with knob.The outside in the pin portion is provided 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 ' the second end is provided with the second through hole worn worn for the pin portion of knob locking device.The first through hole and the second through hole Insertion is set on the direction perpendicular with extension rod bearing of trend, and the first through hole and the second through hole inwall be equipped with The external screw thread in pin portion carries out the internal thread of screw thread cooperation.When needing to adjust the position of second handle 40 ', operator only needs to rotation Turn knob so that second handle 40 ' is in movable state, suitable position then is arrived into the regulation of second handle 40 '. The locking mechanism structure provided in present embodiment simply, is conveniently dismantled, cost is low and facilitates operator to use.Certainly, at it In his embodiment, retaining mechanism can also be slider gear shift device (not shown), and the slider gear shift device is provided with so that second Handle is in multiple regulation stalls of diverse 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 Handle 30 ' includes the ring body portion 31 at closure extension rod 20 ' second end, and the ring body portion 31, which is enclosed, is set as hollow structure for use operator's Hand is passed through so as to convenient gripping.Wherein the ring body portion 31 includes the first grip part 33 gripped for operator.When second handle 40 ' During positioned at the first position of one-handed performance, the first grip part 33 and the angle of the formation of second handle 40 ' are more than or equal to 90 degree, and small In equal to 140 degree.The angle can for 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 During the first position that can further promote second handle 40 ' to be located under one-handed performance, the arm and the folder of ground formation of operator 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 branch of the arm of operator in second handle 40 ' Under support is leaned on, realize that support arm is presented the comfortable job state that naturally droops, 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 provided with and opened Dynamic switch 70 ' and safety switch 72 ', open safety switch 72 ' and started by press switch 70 ' can be operated grass-mowing machine. In the present embodiment, starting switch 70 ' is long and narrow, and it is arranged on the inner side of ring body portion 33, to facilitate operator's gripper rings Directly pressed during body portion 33, safety switch 72 ' is cylindricality button shape, and its 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 grips first handle 30 ', the thumb of operator is just direct Touching pressing safety switch 72 ', is carried out after the pressing action of safety switch 72 ', and the palm or finger of operator can be opened startup Close 70 ' synchronously or slightly delay progress pressing manipulation, so as to realize quick start machine.Starting switch in the present embodiment 70 ' are arranged on first handle 30 ' with safety switch 72 ', compact conformation, and facilitate operator's one-handed performance start machine.

Second handle 40 ' is substantially U-shaped, and it includes two extensions 41 opposite each other, located at second handle 40 ' End and for connect two extensions 41 supporting part 43 and be arranged between supporting part 43 and first handle 30 ' and be used for connect Meet the cross bar portion 45 of two extensions 41.The supporting part 43 is the recess of the arc shape leaned on for operator's arm or elbow, arc The recess of shape can increase the comfort level of operator's arm and second handle contact position.Certainly, second handle 40 ' can also enter one Step includes laying or being embedded on supporting part 43 for the cushion pad (not shown) that contacts with operator's arm, the cushion pad to Perpendicular side is upwardly extended and beyond operator's arm one fixed width with the bearing of trend of extension rod 20 ', with buffer operation person's Power is compressed when arm or elbow lean with supporting part, operator's long working lower arms and second handle 40 ' is reduced The discomfort offseted.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 that obtaining more laborsaving 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 free terminal that the length of second handle should be defined as 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 length of second handle 40 ' is controlled in 15~30cm number range, can meet 1.5 meters~1.9 meters operators makes The comfort level of used time.Specifically, the length of second handle 40 ' can for 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.Especially, 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 strong point of the forearm of the arm of operator.And it is longer in order to prevent Second handle 40 ' can cause the stress of the extension 41 of second handle 40 ' to be deteriorated.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.

It is preferred that, the grass-mowing machine 100 ' that the present embodiment is disclosed can a machine four use, i.e., beaten the grass with one hand, singlehanded deburring, double Hand is beaten the grass and four kinds of use patterns of both hands deburring.The need for operator can be according to itself, suitable use pattern is selected, model is selected Enclose wider.Particularly, in the present embodiment, it is in grass-mowing machine under deburring state, and second handle is located at first position (list Hand is operated) 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 on the axial direction of extension rod 20 ' is parallel or coplanar with cutting planes.In this way, on the one hand, it is to avoid bimanualness is beaten During the careless deburring of machine 100 ' operation, 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 be had found with the very first time, and in time with machine avoiding obstacles, be greatly reducing machine and touched barrier Probability.

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

Grass-mowing machine 100 ' also includes the rolling member 80 of support grass-mowing machine.Certainly in other embodiments, can also be using cunning 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 be arranged on casing 14 ' on, and positioned at shield 12 ' upside, its can using under repairing edge mode as 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 be in deburring state under, and second handle 40 ' be located 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 grass-mowing machine under deburring state when, the section and extension rod of trimming rolling wheel 81 diametrically 20 ' section in the axial direction is parallel or coplanar；Further, the ring body portion 31 of first handle 30 ' is in the axial direction of extension rod 20 ' On section of the section with trimming rolling wheel 81 diametrically 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 rollers are connected to one by wheel shaft 85 Rise.Certain trimming rolling wheel can also be arranged to one or more wheel.The wheel shaft 85 of trimming rolling wheel 81 is provided with roller central shaft Line y.Under repairing edge mode, the roller 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 Put.Grass-mowing machine 1 performs deburring operation in perpendicular.User can push grass-mowing machine and carry out deburring along corner or roadside. Beat the grass under pattern, the roller central axis y of trimming rolling wheel and the same parallel settings of the first axle X ' for line rotary shaft of beating the grass.Even Wheel shaft 85 is pointed to and connected in the one end for connecing arm 83, and the other end points to the center of casing 14 ' and connected, by even Connect 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 pattern rod-like element.Certainly, in other embodiments, linking arm 83 can also be arranged to casing 14 ' Dismountable connection, to facilitate maintenance to change trimming rolling wheel 81.

As shown in Figure 1, Figure 2 and shown in Fig. 4, extension rod 20 ' is telescopic rod, height or operation that operator can be according to itself Demand adjust extension rod 20 ' length, to reach comfortable Consumer's Experience.It is preferred that, the periphery of extension rod 20 ', which is arranged with, stretches Contracting set 21, the telescopic 21 can extension rod 20 ' radially rotation, 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 being set-located, and the telescopic 21 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 is in release conditions with extension rod 20 ', so as to carry out elongating extension rod 20 ' or compress extension rod 20 ' Realize the regulation of the length of extension rod 20 '.In the present embodiment, telescopic 21 is quality of rubber materials, and the telescopic 21 is included in axle The convex tendon 22 of upward spaced some strips and the depressed part 23 being arranged between two neighboring convex tendon.Pass through convex tendon 22 Setting increase operator's hand and telescopic 21 between frictional force, extension is adjusted by rotary extension set 21 beneficial to operator The length of bar 20 '.Certainly in other embodiments, the regulation of the length of extension rod 20 ' can also pass through button adjusting means 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 The selectable court of axle portion 15 rotates away from the direction of shield 12 ', or is rotated towards the direction close to shield 12 '.In this way, extension rod 20 ' can realize that extension rod 20 ' is in office relative to hinge portion 15 with hinge portion 15 for the center of circle is relative to nose-high or rotates down Anticipate and work on default rotational angle.Further, extension rod 20 ' can be under the one-handed performance state shown in Fig. 1 towards close The direction of shield 12 ' turns clockwise downwards 15 degree, 30 degree, 35 degree, 45 degree, 50 degree and bigger angle.The energy of extension rod 20 ' It is enough under the storage state shown in Fig. 3, towards 15 degree of the upward rotate counterclockwise in direction away from shield 12 ', 30 degree, 35 degree, 45 degree, 50 degree, 60 degree, 75 degree, 90 degree, 105 degree, 120 degree and bigger angle.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.It is preferred that, beaten the grass when grass-mowing machine 100 ' is in When under state, extension rod 20 ' and cutting planes are arranged at an angle, and the angular range is 35~50 degree (being preferably 45 degree), is adapted 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 not more than 5 degree, and being adapted to user will beat Careless machine is placed in its cutting planes state vertical with ground to carry out deburring work.It is preferred that, 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, and the angular range is 30~50 degree, the angle can be specially 30 degree, 35 degree, 40 degree, 45 degree, 50 degree.Preferably 45 degree, the angle can meet the demand of general operation person's height, comfortable with optimal operation Sense.

In the present invention, by adjusting telescopic 21, hinge portion 15 and combining one-handed performance, it may be such that grass-mowing machine is smooth To short corner or when arranging the turf in narrow space, (such as under the lawn, some bushess under Park long chair Turf) carry out beat the grass operation while be also avoided that operator is squatted down or bent over or arm bending operation, significantly The fatigue strength for reducing operation and operation discomfort.Operating process is described in detail, and (the present embodiment is illustrated with Park long chair as follows Illustrate)：First, operator can adjust the angle between extension rod 20 ' and ground according to the height of bench seat, it is ensured that grass-mowing machine Head 10 ' can stretch into corner.Specifically, by extension rod 20 ' relative under the clockwise direction of hinge portion 15 or upward counterclockwise Turn to suitable operating angle position.Then, operator can cover the length of the 21 suitable extension rods 20 ' of selection by rotary extension Degree；Finally by the regulation of second handle 40 ' to the first position of one-handed performance.It should be clear that, aforesaid operations process is only one Individual example, in the absence of uniqueness, the order of specific operating process can be adjusted according to the custom of operator.In the present embodiment The structure of grass-mowing machine 100 ', pass through the cooperation of telescopic 21 and hinge portion 15 so that head 10 ' can smoothly stretch into short corner Inner side beat the grass operation, by the position for adjusting second handle 40 ' so that the body of operator need not bend or under Squat, the arm of operator can keep vertical state substantially, with 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, to realize that head 10 ' is changed between deburring state and state of beating the grass.It is preferred that, head 10 ' includes and extension The rotation section 17 of the first end connection of bar 20 ', diametrically opposite extension of the head 10 ' in extension rod 20 ' is realized in the rotation section 17 Bar 20 ' is rotated.In the present embodiment, rotation section 17 can under the state of beating the grass shown in Fig. 1 or Fig. 2 by operator forward Pull and be rotated by 90 ° to side, so as to obtain the deburring state shown in Fig. 4.Specific operation process is：First so that extension rod 20 ' turn 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 level 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 into the switching of the state of beating the grass and deburring state, the solution of the present invention is physically easier to perform, It is more practical.By the cooperation between telescopic 21, hinge portion 15 and rotation section 17, not only make operator adjust extension rod 20 ' with The position relationship of head 10 ', obtains different beat the grass action and Consumer's Experiences, it is also possible that grass-mowing machine is in working condition of beating the grass Switched over deburring state.

Extension rod 20 ' is generally 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 bag 50 ', preferably lithium battery pack that the energy, which provides unit,.Certainly at other , can also be by installing gasoline engine or providing power with power line external AC for grass-mowing machine in embodiment.In this hair In bright, battery bag 50 ' and motor are distributed in relative first end and the second end of extension rod 20 '.The weight of battery bag 50 ', which is accounted for, beats The percentage of the careless weight of machine 100 ' is more than the percentage that motor accounts for the weight of grass-mowing machine 100 '.Specifically, being connected to extension rod 20 ' The weight of the head 10 ' of one end and the Handleset 3040 ' and the gross weight of battery bag 50 ' for being connected to extension rod 20 ' second end Ratio range is 1：0.7~3：7.Exchange driving external relative to power line, 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 operator More easily machine is lifted and mitigates the fatigue strength of long working operator's arm.

In addition the position of battery bag 50 ' is placed on the side of extension rod 20 '.Specifically, battery bag is arranged on first handle 30 ' lower section.Realize and moved after 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 upper side close to battery bag 50 '.Specifically, the projection of the center of gravity of grass-mowing machine 100 ' on the ground is gripped with first handle 30 ' The vertical range that the center of position is projected on the ground is 10cm~50cm.The vertical range can for 10cm, 20cm, 25cm, 30cm、35cm、40cm、45cm、50cm.It is preferred that, when the vertical range is 25cm~40cm, the position of centre of gravity of grass-mowing machine is leaned on Second end of nearly extension rod and complete machine layout is more reasonable, and can reduce under long working, the fatigue strength of operator's arm.

It is the second embodiment of the present invention as shown in Fig. 5 to 15, the grass-mowing machine 100 of the present embodiment includes what lengthwise extended Extension rod 20, the head 10 located at the one end of extension rod 20, located at the Handleset 3040 of the other end of extension rod 20.

Head 10 includes shield 12, casing 14, the motor (not shown) being arranged in casing 14, enclosed by motor driving The moving head 16 rotated around an axis X.Axis X is the rotation axis of moving head 16.Cutting member 18 is provided with moving head 16, is beaten Toothed burclover 16, which is driven in rotation, drives the synchronous rotary of cutting member 18 in moving head 16 to beat the grass.In this embodiment, cutting member 18 be line of beating the grass.When moving head rotates, the line formation one of beating the grass for stretching out the part of moving head 16 is put down with the cutting of axis X vertically 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.It is preferred that, can also be provided with annexes such as roller, shield flower steel wires 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 the angled arrangement of foregoing cutting planes, the angle are preferably greater than 30 degree, are adapted to user and 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 is not more than 5 degree, and it is flat that grass-mowing machine 100 is placed in its cutting by suitable user The face state vertical with ground carries out deburring work.

In the present embodiment, connected between extension rod 20 and head 10 by rotating shaft 11, rotating shaft 11 is parallel to foregoing cutting Horizontal layout, extension rod 20 11 rotates relative to head 10 around the shaft, switches in foregoing beating the grass between pattern and deburring pattern.

In the present embodiment, extension rod 20 extends along longitudinally, has two ends on longitudinally.Such as Fig. 5 institutes Show, for convenience, the first end that the end that extension rod 20 is connected 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, power supply is provided near the end of extension rod 20 second, specially dc source, directly Stream power supply uses battery bag 50, preferably lithium battery pack.Thus, dc source 50 and head 10 are divided into extension rod 20 Two ends, and Handleset 3040 is arranged on the position of relatively close power supply 50 on extension rod 20, so that the whole center of gravity of grass-mowing machine 100 Rationally distributed, operator is lifted by Handleset can be more laborsaving when grass-mowing machine 100 works.

Refer in Fig. 5 and Fig. 6, the present embodiment, before Handleset 3040 is included near the end of extension rod 20 second Handle 30, and the back handle 40 located at the end of extension rod 20 second.Front hand grip 30 and the setting spaced apart of back handle 40, with Facilitate operator reliably to lift grass-mowing machine 100 to work.

Front hand grip 30 is fixedly connected on the neighbouring position at the end of extension rod 20 second, it is specific as in manufacturing process directly with extension Bar 20 is integrally formed or is socketed or clamping or screw-driving are on extension rod 20.First end of the front hand grip 30 towards extension rod 20 Direction, specifically, the angle α of the axis Z of front hand grip 30 and the axis Y of the longitudinally of extension rod 20 the first extreme direction For acute angle.Starting switch 70 is arranged in front hand grip 30.It is arranged such, operator is when gripping front hand grip 30, you can by holding Finger is held to touch starting switch 70 and then control grass-mowing machine 100 to work.In order to prevent operator's false triggering starts from going into operation 70, preceding Handle 30 sets a safety switch 72 close to the another location of starting switch 70.Operator only have triggering safety switch 72 after or Triggering safety switch 72 could start grass-mowing machine 100 with starting switch 70 and work simultaneously.In the present embodiment, by starting switch 70 It is all disposed within safety switch 72 in front hand grip 30, facilitates operator's one hand with regard to grass-mowing machine 100 can be controlled to work.

As shown in figure 8, a kind of shape of front hand grip 30 is set.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 is substantially in elongated with the second grip part 34, and both length 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 is set not only one shown in Fig. 8, only need The shape of front hand grip 30, which can be realized, is easy to operator's palm grip.As the first grip part 32 not for it is elongated be it is spherical, Or the similar crossbeam shape of shape or handlebar shape of front hand grip 30 or only one grip part etc., here is omitted.

Refer in Fig. 5 to Fig. 7, 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 the longitudinally of bar 20, changes back handle 40 relative The position relationship of front hand grip 30.Operator selects one to be adapted to oneself singlehanded behaviour by adjusting the position of back handle 40, freely Make position (first position) or bimanualness position (second place).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 place, the angle of back handle 40 and extension rod 20 is β 2. β 1 is different from β 2 angle.As it is known by the man skilled in the art, the first position and the second place 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 provided with retaining mechanism 60 with the end junction of extension rod 20 second.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 rotated around pivotal axis 61.Such as ability Known to field technique personnel, realizing the specific structure type of retaining mechanism 60 of above-mentioned functions has varied, such as cam spanner machine Structure, knob buckle structure etc., take a single example herein, it is impossible to limit the present invention 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 formed by the clamping of 202 and second half-shell bar of first half-shell bar 204.Afterwards Handle 40 is being provided 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 The straight lengthwise axis Y of extension rod 20 direction (illustrating M directions) is provided with through hole, and the side inwall of through hole is provided with outer tooth 65.Extension rod 20 is being provided with ring-type groove portion with the junction of back handle 40, and ring-type groove portion is engaged with loop connecting portion 406.The Two half-shell bars 204 have installed a projection 208 in ring-type groove location, and projection 208 is along M directions provided with the groove for accommodating elastic component 63. It is located at outer tooth 65 to the interior tooth 67 of cooperation on pressing piece 69.The one end of elastic component 63 is located in the groove of projection 208, one end In pressing piece 69.One end of pressing piece 69 is engaged with projection 208, is formed one and is extended generally vertically the lengthwise axis of bar 20 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 inwall of through hole It is engaged with the interior tooth 67 on pressing piece.When elastic component 63 in a state of nature when, interior tooth 67 is mutually engaged with outer tooth 65, Back handle 40 is relatively fixed with extension rod 20.When elastic component 63 is in compressive state, interior tooth 67 departs 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's pressing 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.Needed for back handle 40 is adjusted to operator Position when, operator unclamps pressing piece 69, and elastic component 63 is changed into reset condition in the presence 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 of back handle 40 is set.In this embodiment, back handle 40 includes the 3rd grip part 44 and supporting part 42.3rd grip part 44 facilitates operator's palm grip, supporting part 42 facilitate operator by part arm or Elbow or wrist are leaned on.In this embodiment, the 3rd grip part 44 is substantially in elongated shaft-like, one end and the extension rod 20 of stock The second end be flexibly connected, the other end of stock connection supporting part 42.In this embodiment, the shape of supporting part 42 is rendered as recessed Portion, such as groove, pit or concave arc shape.In this embodiment, supporting part 42 is specific by the first arcuation wall 421 and the second arcuation wall 422 recesses formed.It is preferred that, connection can be set to certain angle between the grip part 44 of supporting part 42 and the 3rd.Such as ability Known to field technique personnel, the shape of back handle 40 is set not only one 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 realizes one hand using grass-mowing machine of the embodiment of the present invention 100 Mode of operation and bimanualness mode.Because same mode of operation is not in pattern of beating the grass or in deburring by grass-mowing machine 100 Pattern and influence, so how the present invention is only in beat the grass with grass-mowing machine 100 illustrates operator under pattern using singlehanded behaviour Operation mode and bimanualness pattern.

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 supporting part 42 of handle 40.Operator is supported on supporting part 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 is operated, and also improves grass-mowing machine 100 and operated Stability in journey.Operator is in one-handed performance, and it holds the arm or elbow of grass-mowing machine by resting at supporting part 42, The power that operator grips grass-mowing machine is reduced, the comfort level of arm during beating the grass is improved.Back handle 40 can prolong around substantially vertical The pivotal axis 61 of the longitudinally of boom 20 is pivoted, and operator can freely adjust back handle 40 according to itself height or custom etc. Position, regulation back handle 40 is 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 second hand of operator with the most comfortable posture hold back handle 40 the 3rd grip part 44.Operator holds the first grip part 32 by a hand and another hand holds the 3rd grip part 44. Operator easily can lift grass-mowing machine 100, and moving left and right grass-mowing machine 100 along cutting planes is operated.Another excellent In the mode of operation of choosing, the wrist of hand that operator grips the 3rd grip part 44 can be rested the head on supporting part 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 the longitudinally of bar 20, operation Person can freely adjust the position of back handle 40, regulation back handle to its bimanualness mode according to itself height or hobby etc. The position of the most comfortable.

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

In an embodiment of the present invention, back handle 40 around the rotation of pivotal axis 61 by that can adjust multiple positions, convenient behaviour Author's unrestricted choice one-handed performance mode or bimanualness mode.If as it is known by the man skilled in the art, grass-mowing machine 100 only needs reality Existing one-hand operating format, then back handle 40 is to be fixedly connected with the end of extension rod second.Concrete structure is still as shown in figure 5, defensive position Handle 40 is in first position, and back handle 40 is to be fixedly connected with the connection at the end of extension rod second, i.e. back handle 40 and extension rod Rotary shaft 61 and retaining mechanism 60 are no longer provided between second end.Similarly, if grass-mowing machine 100 only needs to realize bimanualness mould Formula, then back handle 40 is in the second place as shown in Figure 7, and back handle 40 and the connection at the end of extension rod second connect to be fixed Connect.In this embodiment, front hand grip 30 with the structure setting of back handle 40 still as above-described embodiment, simply back handle 40 It is not rotated further by, and is integrally fixed at a certain position, only individually realizes one-handed performance mode or bimanualness mode.

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.The relative position of front hand grip 30 and back handle 40 is 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 the longitudinally of bar 20, change Position relationship of the Handleset 3040 with respect to 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 place).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 provided with retaining mechanism 60 with the end junction of extension rod 20 second.The concrete structure and mode of operation of retaining mechanism 60 are such as Embodiments thereof described above is similar, and here is omitted.

The present invention is not limited to lifted specific embodiment structure, and the structure based on present inventive concept belongs to guarantor of the present invention Protect scope.

Claims

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

The extension rod of lengthwise extension, the extension rod is provided with first end and second end relative 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 operate Handleset, the Handleset include be connected to the end of extension rod second first handle and Second handle；

Characterized in that, the second handle includes at least one operating position, at least one operating position is included institute The first position of leaning support can be provided for the arm or elbow of operator by stating second handle and being arranged on, and the second handle is Coordinate jointly to realize one-handed performance with the first handle on one position, the grass-mowing machine has beating the grass under one-handed performance State and deburring state.

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

3. grass-mowing machine according to claim 2, it is characterised 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.

4. grass-mowing machine according to claim 3, it is characterised in that when the grass-mowing machine is under deburring state, described the Section of the one handle on the extension rod axial direction is parallel or coplanar with the cutting planes.

5. grass-mowing machine according to claim 1, it is characterised in that the grass-mowing machine, which is included under deburring state, supports described The sliding part or rolling member of grass-mowing machine.

6. grass-mowing machine according to claim 5, it is characterised in that the rolling member includes at least one trimming rolling wheel, when The grass-mowing machine be in deburring state under, and the second handle be located at first position when, the rotating direction of the trimming rolling wheel With operator towards direction it is consistent.

7. grass-mowing machine according to claim 6, it is characterised in that described to repair when the grass-mowing machine is under deburring state Diametrically section of the section with the extension rod in the axial direction is parallel or coplanar for side roller.

8. grass-mowing machine according to claim 1, it is characterised in that the head is provided in the radial direction of the extension rod On can relative to the extension rod rotate predetermined angle, to realize that the head is changed between deburring state and state of beating the grass.

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

10. grass-mowing machine according to claim 1, it is characterised in that the extension rod is telescopic rod.

11. grass-mowing machine according to claim 1, it is characterised in that the first handle includes closing the extension rod the The ring body portion at two ends, the ring body portion includes the first grip part gripped for operator, when the second handle is located at singlehanded grasp During the first position of work, first grip part and the angle of second handle formation are more than or equal to 90 degree, and are less than or equal to 140 degree.

12. grass-mowing machine according to claim 1, it is characterised in that when the second handle is located at the under one-handed performance During one 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.

13. grass-mowing machine according to claim 1, it is characterised in that at least one described operating position is included second-hand Handle is adjustable to be arranged on the second place gripped for operator, the second handle on the second place with the first handle Common to coordinate to realize bimanualness, the second handle is in the second place and the extension rod towards shape on the direction of 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 with the direction at end, first angle is obtuse angle.

14. grass-mowing machine according to claim 13, it is characterised in that at least one described operating position is included second-hand Handle is arranged on the 3rd position for causing the grass-mowing machine to be in storage state, and the second handle is in the 3rd position and the extension Bar is less than the number of degrees of second angle towards the 3rd angle, the number of degrees of the 3rd angle are formed with the direction of first end.

15. grass-mowing machine according to claim 14, it is characterised 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 place and the 3rd position.

16. grass-mowing machine according to claim 14, it is characterised in that the grass-mowing machine also includes controlling the second handle The retaining mechanism of operating position regulation is carried out, the retaining mechanism causes the second handle at least one operating position Any operating position it is locked and carry out release adjustment in any operating position.

17. grass-mowing machine according to claim 16, it is characterised in that the second handle includes what is be connected with retaining mechanism The supporting part of two extensions of two extensions and connection opposite each other, when the second handle is located at first position, institute State first handle to be hold by one hand for operator, the supporting part 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 place, the first handle is available for behaviour with the second handle The both hands correspondence of author is gripped, to realize bimanualness.

18. grass-mowing machine according to claim 17, it is characterised in that the supporting part is the arm or elbow for operator The recess of the arc shape of dependence.

19. grass-mowing machine according to claim 2, it is characterised in that the grass-mowing machine further comprises being used to carry to head The energy unit of energy supply amount, the energy unit is battery bag.

20. grass-mowing machine according to claim 19, it is characterised in that the battery bag is arranged on the one of the first handle Side.

21. grass-mowing machine according to claim 19, it is characterised in that the battery bag is located at described respectively with the motor The relative first end of extension rod and the second end.

22. grass-mowing machine according to claim 19, it is characterised in that the motor accounts for the percentage of the grass-mowing machine weight Less than the percentage that the battery bag accounts for the grass-mowing machine weight.

23. grass-mowing machine according to claim 19, it is characterised 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 at the end of extension rod second and the gross weight of battery bag is 1：0.7~3：7.

24. grass-mowing machine according to claim 1, it is characterised in that the weight of the grass-mowing machine is less than 2.8kg.

25. grass-mowing machine according to claim 19, it is characterised in that the center of gravity of the grass-mowing machine is leaned on positioned at the extension rod The side of nearly battery bag.

26. grass-mowing machine according to claim 1, it is characterised 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.

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

Characterized in that, the second handle includes at least one operating position, at least one operating position is included institute The first position of leaning support can be provided for the arm or elbow of operator by stating second handle and being arranged on, and the second handle is Coordinate jointly to realize one-handed performance with the first handle on one position, the arm that operator is supported and the extension rod court The angle formed to the direction of first end is 90 degree~180 degree.

28. grass-mowing machine according to claim 27, it is characterised in that the arm that operator is supported and the extension rod Into angle be 120 degree~150 degree.