CN207885131U - Weeder - Google Patents

Abstract

The utility model discloses a kind of weeders, including can pierce ground puncture cutter head Weeding tool and in Weeding tool with the front and back driving structure constantly shaken, the downward projection of aforementioned puncture cutter head in front end for the handle portion and handle portion that the Weeding tool is stretched by the front of weeder main body forms, even if its weeds has very long rhizome or root, this weeding function is easily and efficiently extracted with slight dynamics.

Description

Weeder

Technical field

The utility model is related to a kind of weeders that weeds etc. can be effectively extracted using driving structure power.

Background technology

It is easier to enable the weeding in family garden work, someone has applied for that some patents such as patent publication No. is spy The patent document of flat 11-168934 bulletins is opened, content includes a light weeder, and having its front end can insert Enter the puncture cutter head of soil and this is enabled to pierce through the driving structure of knife vibration.User drives the puncture cutter head, with front and back or Left and right directions activity enables this front end for piercing through cutter head be inserted into soil, and the puncture cutter head is cut with the vibrations of left and right directions again The root of disconnected weeds.

Traditional weeder of above-mentioned construction pierces through cutter head using as pancake, fork, is inserted into soil, above-mentioned Driving structure enables it be shaken with front and back or left and right directions, can be easy the root of cut-out weeds, but substantially these devices are merely able to The grass roots in soil is cut, mellow tilth, user cannot not see whether grass roots is suitably cut to the device.In order to confirm this Whether the root of weeds is suitably cut, and user needs the puncture cutter head pull-up of front, mellow tilth and weeds, and such ten Divide trouble.In addition, when left and right directions moves the puncture cutter head in the soil, the load of the driving structure of the machine increases, and causes The output strength of used motor accordingly increases；And or need turn for the rotary motion of motor being transformed into direction all around Structure is changed, this needs the parts etc. of high rigidity, and the cost of weeder is caused to increase.

Meanwhile two kinds of plants of wormwood and dandelion can be generally planted in family garden, two kinds of plants have very long Subterranean stem or taproot can not extract the weeds root in ground even if weeder has cut off aerial part, and final result is also difficult Occur once again from the case where root growth in ground to avoid weeds in future.

Utility model content

Problem to be solved in the utility model is to provide a weeder, even if in face of having very long subterranean stem Or the weeds of taproot, it is also easier to and effectively, and grass roots can be extracted with slight dynamics.

In order to achieve the above objectives, technical solution is used by the utility model solves above-mentioned technical problem：A kind of weeding Machine, including can pierce the Weeding tool of the puncture cutter head on ground and in Weeding tool with the front and back driving structure constantly shaken, institute The downward projection of aforementioned puncture in front end for the handle portion and handle portion that the Weeding tool stated is stretched by the front of weeder main body Cutter head forms.

Among the above, on the one hand, weeds and soil can be moved to the strength near the machine due to the puncture cutter head of Weeding tool Continuous action, to which this structure effectively inhibits the rhizomatous situation of the cutter head position cutting weeds of Weeding tool, the machine Can be with ploughing and weeding soil, and there is effect ground order to go out the very long subterranean stem in underground；On the other hand, since this weeder does not have back Rotor piece does not occur at the situation of dispersing of incidental gravelstone in general grass trimmer running, even if therefore in more gravelstones Soil also works safely, meanwhile, this weeder does not use weeding pesticide, will not contaminated soil, therefore seeing in environmental protection Ground is also to have very remarkably.

The rhizomatous situation of weeds is cut at cutter head position in order to effectively inhibit Weeding tool, while also can be with light Micro- dynamics weeder easy to operate, the angle between the handle portion of the Weeding tool and above-mentioned puncture cutter head are arranged to Acute angle in 30 to 90 degree ranges.

It is mounted on the fixed position for the ease of removable Weeding tool, the driving structure is equipped with for described The fixed position that the shank of Weeding tool is installed or removed.

In order to which Weeding tool can be removed from weeder if necessary, facilitate repair and exchange tool processing work Deng, while user can be made to prepare various Weeding tools, can also selected at any time and the tool at readily replaceable proper operation scene, institute Weeder main body is stated to include main body box and be arranged in main body box operation above handle.

In order to which user can be made to be suitable for various user's physique or the working environment etc., through adjustment circular arc position Hand position, the posture for making its be easy to change to weeder, the operating handle be above the main body box front end stretch, Continue the circular arc position that bending is stretched over behind and below.

In order to which user can be made to penetrate the body part and assist handle of hand-held handle, stable work can be maintained Posture, can also making user, also through assist handle is drawn, easy mellow tilth is set on the operating handle near oneself There are one the assist handles stretched forward from the upper end of protruding part.

In order to which user can be made through the front that ponderable battery is placed on to above-mentioned circular arc position, enable at the weeder In inclined state forwards, user can be easy puncture cutter head can be inserted into soil with slight strength, described Driving structure includes electro-motor and supplies electrical power to the battery of the electro-motor, and the battery configuration is in the operating handle In coupling part.

In order to which user's work that can stand can be made to hold handle position above, the posture that do not work hard just can be maintained, can be had Work to effect, it is also possible to the handheld state at the circular arc position to release the bright handgrip part of straighforward operation hand, and edge The movement of circular arc position handheld position is write, according to the build of user or the landform etc. of operation field, can adjust straighforward operation hand The arcuation part of bright angle, the operating handle can remove, and can also configure extension rod in this section, extension rod Top has handle position to be operated for long range.

Compared with prior art, the technical solution of the utility model has the following advantages that：

Weeder provided by the utility model, even having very long rhizomatous weeds, also with slight strength Easily effectively extract.

Description of the drawings

Fig. 1 is the skewing scheme of all constructions of the weeder of the utility model embodiment 1.

Fig. 2 is the weeder internal structure cross-sectional view of the utility model embodiment 1.

Fig. 3 is the skewing scheme of the shape of the Weeding tool of the utility model embodiment 1.

Fig. 4 is the definition graph of the use state of the weeder of the utility model embodiment 1.

Fig. 5 is the skewing scheme of the deformation state of the weeder of the utility model embodiment 1.

The side view of the integrality of the weeder of Fig. 6 the utility model embodiments 2.

Fig. 7 is the side view of the state for changing the bright installation site of straighforward operation hand of the utility model embodiment 2.

Fig. 8 is the skewing scheme of the concrete structure of the bright handle part of straighforward operation hand of the utility model embodiment 2.

In figure：Weeder 1, inserting hole 11, engaging part 12, electro-motor 14, slowing-down structure 15, power converter section 16, electricity Pond 17, main body box 18, installation space 19, Weeding tool 2 (2a-2d), shaft 21, cam 22, sliding panel 23, cam following machine Part 24, fixed position 25, locking draw point 26, fixing bolt 27, pressing plate 28, driving structure 3, manipulator are 31, protrusion 32, circle Arc portion position 33, assist handle 34, operation button 35, safety lock key 36, protrusion part 37, electric wire 38, weeder main body 4, remote control Manipulator is bright 40, handgrip part 41, accessory above 42, cylinder position 42a, following accessory 43, extension rod 44, handle 45, hinge 46, accessory 47, following bond sites 48, bond sites above 49, helicla flute 49a, handle portion 5, boss 50, tubular are tightened Cutter head 6 (6a-6d), linking part, assist handle component 53, fixed screw 54, screw hole 55, are pierced through at circular arc position 52 in position 51 Position 7, projection 8, installation position 9.

Specific implementation mode

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

Embodiment 1

As shown in Figure 1 and Figure 2, weeder 1 is made of two parts, respectively Weeding tool 2, with pluggable soil The driving structure 3 for piercing through cutter head 6 and being equipped in weeder main body 4, it keeps Weeding tool 2 above-mentioned front and back and repeats to live It is dynamic.

As shown in figure 3, Weeding tool 2 is made of the metal material with fixed intensity, also there are two positions for tool, divide Handle portion 5 that tabular Wei not be extended with front-rear direction and fixed amplitude is formed and from the front end of the handle portion 5 Start puncture cutter head 6 outstanding downwards.

Above-mentioned handle portion 5 and puncture cutter head 6 when side is seen in the bond sites of arc-shaped bend 7 by interlinking.

The transverse direction central part of handle portion 5 has the projection 8 of upper direction protrusion strengthened function, it is along before handle portion Rear direction is formed.In addition, the basis part of handle portion 5 has installation position 9, it can be loaded in consolidating for aftermentioned weeder main body 4 Determine on position 25.There are two positions on the installation position 9, respectively by the locking outstanding on 3 fixed position 25 of driving structure The embedding inserting hole 11 of draw point 26 and the engaging part 12 by fixing bolt 27 and 28 tying of pressing plate on fixed position 25.

In embodiment 1, as shown in Figure 1, Weeding tool 2 is one piece of creeper formula for having 11 pieces of sharp keen insertion knives in apex Cutter head 6 is pierced through, with state arrangement of scattering when this pierces through cutter head 6 in terms of positive angle；As shown in Fig. 2, from the side when, handle portion 5 and the angle, θ that pierces through between cutter head 6 be set to 30 to 90 degree that are situated between, and the angle, θ is ideally situated between 35 to 55 degree Between.

As shown in Fig. 2, above-mentioned driving structure 3 has electro-motor 14, slowing-down structure 15 and power converter section 16, Yi Jiwei Supply electrical power to the electric wire 38 of electro-motor 14.Critical part electro-motor 14, slowing-down structure 15 and the power of the driving structure 3 Converter section 16 is housed in the main body box 18 of weeder main body 4.The weeder 1 can install an electricity using secondary cell Pond 17 also can be used external power supply to provide power charge for the battery 17 to replace power cable 38.

Power converter section 16 in driving structure 3 has following three parts, respectively from electro-motor 14 via deceleration The shaft 21 and the shaft 21 for the driving force rotation that structure 15 is conveyed rotate together, the angled peace in axle center of countershaft 21 The oval cam 22 of dress and the sliding panel 23 driven with front-rear direction by the cam 22, but the power converter section 16, as long as The structure of connection can be transformed into the rotary motion strength that electro-motor 14 generates the strength of sliding panel 23 to move along a straight line repeatedly, Other power conversion systems can be used, such as can one power conversion system etc. with crank structure of Mining.

Sliding panel 23 by main body box 18 support write and control write it is not rotatable and can front-rear direction activity.

The sliding panel 23 has the cam following parts 24 on the front and back two sides of a pair of of contact cam 22.

Since cam following parts 24 are with the revolution for writing cam 22, it is pulled to from the rear position shown in solid in Fig. 2 Front, above-mentioned sliding panel 23 move repeatedly between thinking line from the Provisional in the rear position to Fig. 2 shown in solid in Fig. 2.

There is fixed position 25 in 23 front end of sliding panel, before which is mounted on weeder main body box 18 The inner fixed position outstanding of installation space 19 below face is docked with Weeding tool 2 in the fixed position 25 of the installation space 19 Installation position 9, but this tool can be unloaded freely when necessary.The fixed position 25 has following two positions, respectively to insert In the locking draw point 26 and screw hole 55 of the inserting hole 11 of the basal part positioned at Weeding tool 2, the screw hole 55 is to be filled with The fixing bolt 27 being made of the bolt with hexagon ring.

Be below the fixed position 25 that the installation position 9 of Weeding tool 2 is fixed on sliding panel 23 San Walk it is rapid：First The inserting hole 11 of Weeding tool 2 is embedded into locking draw point 26；Then there is installation pressing plate 28 below；Fixing bolt is installed later To the screw hole of fixed position 25.

Before (installation position 9 of Weeding tool 2 is fixed on the fixed position 25 of sliding panel 23) starts in this state When stating electro-motor 14, Weeding tool 2 is shaken under institute's constant speed degree with front-rear direction.

The back-and-forth motion speed of Weeding tool 2 there is no defined, but if too fast weeding work make dynamic resistance change Greatly, too slow then working efficiency can reduce, and ideal speed is the activity repeatedly for having 2000 to 5000 each minute.Weeding tool What 2 back-and-forth motion distance L was also not specified by, but it is too long, and working efficiency can reduce, and ideal distance is the 5mm-20mm that is situated between Between, about 10mm is preferred.

There are one manipulators for the top of aforementioned body box 18 31, and there are three parts for it：From 18 front of main body box The protruding part 32 stretched on direction, above protruding part 32 with curve rearwards lower section stretch circular arc position 33 with And the assist handle 34 stretched forward from the top of protruding part 32.

Manipulator is made of 31 protrusion 32 inclination cylindrical body, top stretching, extension rearwards.When battery 17 is installed, answer It is placed on protruding part 32.If it is desired, protruding part 32 can not hang down according to above-mentioned obliquity, the top of main body box 18 Straight stretching, extension upwards or top forwardly stretch and also may be used.

The curvature bending that manipulator locks 31 circular arc position 33 above protruding part 32 continues to be stretched over below Lower section enables top behind part connection main body box 18 behind be combined into one.Circular arc position 33 by hexagonal configuration section Tubular accessory forms, and standby above the front there are two switches；The respectively operation button 35 and safety lock key 36 of power motor 14, When user presses this key of work, operation button 35 will be in startup (ON) state make operation button 35 return to pass when button again (OFF) state is closed, and user has learnt this efficiency.

31 assist handle 34 is worked as use by manipulator as shown in Figure 1, having horizontal line of sight protrusion part 37 to the left and right Person with hand flexibly hold write manipulator 31 circular arc position 33 when, another Only hands then hold above-mentioned assist handle 34, thereby using When weeder 1, user can with the hands control.

In addition, having power cord 38 behind main body box 18, electric motor 14 is given in power supply.

Using said combination weeder 1 when, user should be docked with electric wire 38 external power supply outside the figure range, so Afterwards as shown in figure 4, Weeding tool 2 is pierced through the soil after cutter head 6 promotes target weeds K.

Then, start-up operation button 35 makes the electric motor 14 of driving structure 3 start, and above-mentioned sliding panel 23 is made to shake, The puncture cutter head 6 of connection Weeding tool 2 will re-cover activity with fixed speed.The circular arc position 33 of user's hand-held hand handle 31 And assist handle 34, slowly weeder 1 is moved backward.Soil will continuously be turned by piercing through cutter head 6, to extract weeds K.

It is sayed as above-mentioned, weeder 1 of the invention is made of two parts, respectively：Thorn with pluggable soil Wear the Weeding tool 2 of cutter head 6；And the weeder main body 4 with driving structure 3, it keeps Weeding tool above-mentioned 2 front and back and again It brings back to life dynamic.Since Weeding tool 2 has handle portion 5, front end has downward puncture cutter head 6, as long as user is puncture knife First 6 are inserted into starting driving structure 3 after soil, are favorably easy continuous ploughing and weeding soil, You Xiao Di order goes out weeds on ground etc..

When using this weeder, user is by the puncture cutter head 6 of Weeding tool 2, in the handle driven by driving structure 3 The front end in portion 5, is installed downwards, can continuously enable weeds K and soil be shaken to this weeder direction thereby using person.Therefore it can keep away The case where subterranean stem of weeds is easy to be cut off by the blade of weeder when exempting to be happened at weeding work-this be such as in patent application Disadvantage caused by traditional technology shown in document 1, but Neng You Xiao Di order removes very deep weeds under ground portion stem etc..

This weeder does not turn round blade, does not occur at dispersing for incidental gravelstone in the running of general grass trimmer Situation, even if therefore also working safely in the soil of more gravelstones.Do not use weeding pesticide yet, will not contaminated soil, therefore in ring The insight of border protection is also to have very remarkably.

In the weeder 1 of embodiment 1, the handle portion 5 of preset Weeding tool 2 and the angle, θ for piercing through cutter head 6 are set as sharp Angle 30 to 60 is spent, and the setting is in order to favorably lower the under ground portion stem of weeds, situation about being cut off when weeding works, user Only just can need to easily operate above-mentioned weeder 1 with slight dynamics, and can the weeds rhizome part for being grown on deep under ground, It effectively removes, still, if the angle, θ of 2 handle portion 5 of Weeding tool and puncture cutter head 6 is less than 30 degree, the ground of weeds K Lower part stem or taproot etc. are easy to be cut off, as a result effectively cannot clear up and extract and be grown on underground in weeding process Rhizome.Therefore above-mentioned angle, θ is should to be set to 30 degree or more.

Similarly, it is dynamic when weeding works when the angle, θ of 2 handle portion 5 of above-mentioned Weeding tool and puncture cutter head 6 is more than 90 degree Become larger as resistance, can cause to reduce working efficiency, therefore the angle, θ should keep 90 degree or less.

Among the above, the most desired angle of the angle, θ of 2 handle portion 5 of Weeding tool and puncture cutter head 6 is 35 to 55 degree that are situated between Between.

In embodiment 1, since the handle portion 5 of removable Weeding tool 2 is mounted on fixed position 25, and fixed position 25 are mounted on driving structure 3, are specifically mounted on the sliding panel 23 on power converter section 16, therefore unload at any time if necessary Weeding tool 2 facilitates repair and exchange tool to handle other work etc..

The cutter head quantity for piercing through cutter head 6a on Weeding tool 2a is less than the cutter head number of Weeding tool 2a.Due to this tool Generated resistance is less when being inserted into soil, therefore is suitable for hard ground, is also conducive in depth inject in puncture cutter head 6a In ground.

The cutter head of puncture cutter head 6c on Weeding tool 2c is front-rear direction arrangement design, forms zigzag, is suitble to cleaning The weeds being grown between narrow gap or the weeds etc. along planar outer walls.The puncture cutter head 6d of Weeding tool 2d is steel wire The shape of brush, therefore outer in addition to can be used for weeding work, it is possible to use in clearing up the work such as the moss on trunk.

Other than Weeding tool 2 shown in Fig. 3, it is proposed that user prepares various tool 2a-2d shown in fig. 5, is needed having When wanting, suitable tool can be selected and replaced at any time.Especially as described in Example 1, the hand of removable Weeding tool 2 Shank 5 is mounted on the fixed position 25 with fixing bolt 27 and pressing plate 28, and user can easily replace and installation tool, Needed for cooperation.Drill chuck disc type fixed position such as electric drilling machine institute Mining can be installed in the driving structure 3 of weeder main body 4, Replace the above-mentioned fixed position 25 with fixing bolt 27 and pressing plate 28.

In embodiment 1, weeder main body 4 has main body box and operating handle 31, user can be enabled to hold work separate The operating handle 31 on ground avoids uncomfortable or pain, and can maintain safe posture, and work is effectively performed.Furthermore in the pattern In, the main portions of ponderable driving structure 3 are accommodated in aforementioned body box, and the center of gravity of weeder is enabled to tilt to the machine Below, it pierces through cutter head 6 and is easier to work in reeve soil.

In addition, if installation extends above protruding part 32 to top before main body box 18, and from the protruding part 32 upper end starts to stretch, and continues the circular arc position 33 of lower section in terms of bending is stretched over afterwards on operating handle 31, then adapts to each Kind user's physique or the environment of the working site enable the posture of weeder 4 can through the hand position at adjustment circular arc position 33 It is easy to change.

Such as：User holds the rear end at above-mentioned circular arc position 33, then lifts the rear end of weeder main body 4, enables weeder 4 Center of gravity move to the front of user's hand position, the weight of the fuselage is utilized thereby using person, the machine drooping forward can be maintained State.If in addition, user close to horizontality use the weeder main body 4, can be centre of gravity adjustment to circular arc position 33 Before, to maintain stable work posture.

When being mounted with an assist handle 34 stretched from 32 upper end forward direction of protruding part on lever 31, use Person can hold two positions, the respectively main body of assist handle 34 and operating handle 31, i.e., above-mentioned circular arc position 33, so as to energy It maintains to work under the work posture of stabilization.

It is to have when installing battery 17 in the protruding part 32 of operating handle 31 with above-mentioned explained work pattern The above-mentioned battery 17 of weight is ensconced before above-mentioned circular arc position 33, and the inclined state of 4 forward direction of weeder main body is enabled, to User with slight strength is easy the puncture cutter head 6 on above-mentioned Weeding tool 2 to be inserted into soil.

Battery 17 can be replaced with non-TunePower among the above.

Embodiment 2

As shown in figs 6-8, the present embodiment 2 is that provided weeder 1 has following three positions, three of them position difference For：Handgrip part 41, extension rod 44 and straighforward operation hand bright 40, the handgrip part 41 is by accessory 42 above and following accessory 43, both the circular arc position 33 in the removable operating handle 31 of wrapping weeder main body 4 formed；The extension rod 44 It is stretched over top inside the cylinder position 42a that the upper surface of handgrip part 41 accessory 42 stretches upwards；The straighforward operation Hand bright 40 is with the upper end handle 45 for being installed in extension rod 44.It is different from the weeder 1 under embodiment 1 on this respect.

As shown in figure 8, the upper surface of its handgrip part 41 accessory 42 and below accessory 43 are formed in straighforward operation hand bright 40, The section configuration of inner face arc surface is coincide the hexagon peripheral surface at circular arc position 33.

In addition, as shown in figs. 6 and 7, side regards the curvature at the circular arc position 33 of shape anastomosis procedure handle 31.

As shown in fig. 7, there is a boss 50 at the front end position of accessory 43 below, boss 50 there are purposes to be to keep away The front end for exempting from above-mentioned accessory 42 above influences safety lock key 36, and method is as follows：When the handgrip part straighforward operation hand bright 40 41, when forwardly being pushed along the circular arc position 33 of operating handle 31, through the protruding part contact protrusion on operating handle 31 The rear end of the upper-end part of driving at position 32, to enable it be restricted when forwardly moving.

In addition, the lateral parts of handgrip part 41 have hinge 46, this can accessory 42 above and below accessory 43 can It is interconnected in the state of sliding.

There are bond sites 49 above in the side of accessory 42 above, this is with helicla flute 49a.

There are following bond sites 48 in the side of accessory 43 below, this, which has, embedding in helicla flute 49a tightens accessory 47.

When fixed on the circular arc position 33 in operating handle 31 straighforward operation hand it is bright 40 when, as shown in figure 8, can be arc sections Position 33 is fixed in the above between accessory 42 and following accessory 43, and method is as follows：The upper portion at circular arc position 33 is embedded into first Then the inside of accessory 42 above is turned round following accessory 43 along hinge 46, the lower half at circular arc position 33 is embedded into matches below The position of the inside of part 43 finally keeps lower of this state to tighten accessory 47 in helicla flute 49a.

Handle 45 above is made of four critical parts, respectively：Be installed in tubular position 51 on extension rod 44, Circular arc position 52, assist handle component 53 and the fixed screw 54 installed on extension rod 44.

There are three screw holes 55 on extension rod 44, and wherein one in these screw holes 55 may be selected when installing screw 54 It is a, so that it may to adjust the height of handle 45 above.

In this way, the weeder 1 of the present invention is under embodiment 2, due to having handgrip part 41, extension rod 44, remote control behaviour It is bright (containing upper Square handle 45) to make hand, the posture that user does not have to squat down is enabled to work, and work of standing naturally, hold the hand of the machine Handle 45 can carry out weeding work under natural posture.

In addition, the handheld state at the circular arc position 33 of handgrip part 41 to release straighforward operation hand bright 40, and along circle 33 handheld position 41 of arc portion position is moved, and the angle for adjusting straighforward operation hand bright 40 is caused, the shown horizontality from Fig. 6 To equally, to become close to the state of protrusion shown by Fig. 7.Therefore, according to the landform of the build of user or operation field Deng this weeder can be easily adjusted the angle of straighforward operation hand bright 40.

The section configuration of the circular arc position 33 of aforesaid operations handle 31 and the handgrip part 41 of straighforward operation hand bright 40 is unlimited In hexagon, forms circle and also may be used.If but above-mentioned circular arc position 33 and handgrip part 41 are proper circle shape, are protected with handgrip part 41 In the state of holding circular arc position 33, when by great in the transverse direction of straighforward operation hand bright 40, above-mentioned hold mode becomes Must be unstable, cause straighforward operation hand bright 40 to be easy to overturn, therefore above-mentioned section configuration should be hexagon, square or ellipse, To ensure stable working condition.

Above implementation pattern for illustrating to explain the present invention, but the present invention is not limited to above-mentioned implementation patterns, as long as vagus escape Core of the invention content, when implementation pattern or combination can have different patterns certainly.

For example, installation position 9 is that the fixed position 25 of sliding panel 23 is fixed below, but goes back in above-mentioned implementation pattern The rear end part of Weeding tool 2 can be allowed to be stretched in vertical direction, and he is mounted on the side of fixed position, can use when needing It removes.At this moment combination is to add to twist into 90 degree of position in the centre of handle part, and position level in front of handle portion is caused to be stretched Exhibition, and its front end starts to protrude puncture cutter head downwards.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change The scope of protection of the utility model is also should be regarded as into retouching.

Claims (8)

1. a kind of weeder, which is characterized in that including can pierce ground puncture cutter head (6) Weeding tool (2) and in weeding Tool (2) is stretched with the front and back driving structure (3) constantly shaken, the Weeding tool (2) by the front of weeder main body (4) Handle portion (5) and handle portion (5) downward projection of aforementioned puncture cutter head (6) composition in front end.

2. weeder according to claim 1, which is characterized in that the handle portion (5) and above-mentioned thorn of the Weeding tool (2) Wear the acute angle that the angle between cutter head (6) is arranged in 30 to 90 degree ranges.

3. weeder according to claim 1 or 2, which is characterized in that the driving structure (3) is equipped with for described The fixed position that the shank of Weeding tool (2) is installed or removed.

4. weeder according to claim 3, which is characterized in that the weeder main body (4) includes main body box (18) With setting in main body box (18) operation above handle.

5. weeder according to claim 4, which is characterized in that the operating handle is from main body box (18) front end Side starts to stretch, and continues the circular arc position (33) that bending is stretched over rear aspect lower section.

6. weeder according to claim 4 or 5, which is characterized in that from protrusion there are one being set on the operating handle The assist handle (34) that the upper end of position is stretched forward.

7. weeder according to claim 6, which is characterized in that the driving structure (3) include electro-motor (14) and The battery (17) of the electro-motor (14) is supplied electrical power to, battery (17) configuration is in the coupling part of the operating handle It is interior.

8. the weeder according to claim 5 or 7, which is characterized in that the arcuation part of the operating handle is can to tear open It removes, extension rod (44) can also be configured in this section, there is handle (45) position to be operated for long range at the top of extension rod (44).