CN201345836Y

CN201345836Y - Garden tool

Info

Publication number: CN201345836Y
Application number: CNU200820215456XU
Authority: CN
Inventors: 蒋伟
Original assignee: Nanjing Chervon Industry Co Ltd
Current assignee: Nanjing Chervon Industry Co Ltd
Priority date: 2008-12-02
Filing date: 2008-12-02
Publication date: 2009-11-18
Anticipated expiration: 2018-12-02

Abstract

The utility model discloses a garden tool, which comprises a main machine and at least a replaceable tool carrier, wherein a motor and a transmission mechanism are arranged in the main machine, the tool carrier comprises a base and a tool component, the tool carrier can be arranged on the main machine through the base, the tool component comprises at least a movable tool, and the movable tool is provided with a bending part. By adopting the structure design, the transmission mechanism on the main machine and a tool on the tool carrier do not need painstaking aligning when the tool of the garden tool is replaced, users just need to install the tool carrier on the main machine, the motor is started, and the transmission mechanism can automatically get in an aligning state from a misaligned state driven by the motor.

Description

Garden tool

Technical field

The utility model relates to a kind of garden tool, relates in particular to a kind of garden tool of replaceable cutter.

Background technology

Garden tool of a great variety according to the difference of its purposes, can be divided into grass mower, shrub trimmer, pruner etc.In order to satisfy user's demand, and the spending of saving the user, a kind of garden tool of replaceable cutter is arranged in the prior art.This type of garden tool comprises a main frame and a plurality of different blade carrier.Different cutters is housed on each blade carrier, for example: cut careless usefulness the short sword tool, cut rimmer knife tool that shrub uses etc.Each blade carrier all can be installed on the main frame, forms a kind of garden tool with unique applications.

Above-mentioned garden tool makes this garden tool possess multiple different function by with main frame and different blade carrier assemblings.Therefore the user only need buy a machine, just can prune different plants.But there is a problem in this garden tool, and promptly blade carrier is difficult to when mounted with drive unit on the main frame and the bit alignment on the blade carrier.In the prior art, the user needs earlier drive shaft turns with drive unit to a certain certain location usually, cutter is moved to the position of installation again, could be with drive unit and bit alignment installation.The process of this aligning is cumbersome and time-consuming.

The utility model content

In order to overcome deficiency of the prior art and defective, the utility model provides a kind of garden tool that has improved, and this garden tool has automatic alignment device, very convenient when changing cutter.

Garden tool that the utility model discloses, comprise main frame, at least one removable blade carrier, wherein, motor and transmission mechanism are installed in the main frame, blade carrier comprises base and toolbox, blade carrier can be installed on the main frame by base, transmission mechanism comprises an eccentric, eccentric can be meshed with the mounting portion of toolbox, toolbox comprises at least one movable cutter, the mounting portion of this at least one movable cutter is a dogleg section, and the cutting part of mounting portion and cutter is not in same plane.

Preferably, toolbox adopts elastomeric material to make.

Further, toolbox comprises a pair of cutter, and one of them cutter is a movable cutter, and this movable cutter has dogleg section, and another cutter is a straight cutter.

Further, the dogleg section of movable cutter has the hole.

Further, the transmission mechanism in the main frame of garden tool comprises an eccentric, and this eccentric matches with the hole of dogleg section.

Further, have a plurality of fasteners on the base of blade carrier, main frame has a plurality of engaging grooves, and by cooperating of fastener and engaging groove, blade carrier is installed on the main frame.

The design of dogleg section makes the cutter in the vertical direction have certain elasticity, and when the dogleg section pressurized, it can be to bottom offset, and when pressure was cancelled, dogleg section can restore to the original state from dynamic elasticity.Such structural design, make garden tool when changing cutter, need not painstakingly with transmission mechanism on the main frame and the bit alignment on the blade carrier, the user only needs blade carrier is installed on the main frame, starter motor, transmission mechanism can automatically enter alignment from the state of misalignment under the drive of motor.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the schematic diagram of a kind of preferred embodiment of the present utility model.

Fig. 2 is a kind of schematic diagram of removable blade carrier.

Fig. 3 is the partial interior structural representation of garden tool shown in Figure 1.

Fig. 4 is the stereogram of cutter among Fig. 1.

Fig. 5 is the vertical view of blade carrier among Fig. 1.

Fig. 6 is the cutaway view along A-A direction among Fig. 5.

Fig. 7 is the cutaway view along B-B direction among Fig. 6.

Specific embodiments

As shown in Figure 1, the garden tool 100 that the utility model disclosed can be used for mowing, topiary and other plant.This garden tool 100 comprises a main frame 1, and this main frame 1 can connect with different blade carrier, to realize different functions.As depicted in figs. 1 and 2, the short sword tool carrier 3 of having enumerated topiary rimmer knife tool carrier 2 in the present embodiment and having mowed.Each blade carrier all comprises base 4 and cutter, and topiary blade carrier 2 has the blade 20 of the do front and back straight reciprocating motion of a pair of length, and the blade carrier 3 of mowing has the blade 30 of the motion that swings of a pair of weak point.

As shown in Figure 3, the output that motor 10, one reducing gears are connected in motor 10 is housed in the main frame 1 of garden tool 100, is used to reduce the speed of motor 10.This reducing gear is a gear drive, comprises 4

gears

12,13,14,15.Wherein, gear 12 is installed on the output shaft of motor 10, and

gear

13,14 is installed on the axle 16, and gear 15 is installed on the axle 11.Gear 12 and gear 13 are meshed, and gear 14 and gear 15 are meshed.The free end of

axle

16,11 is conical, and both are parallel to each other, and the segment distance of being separated by in the vertical.These two

axles

16,11 all stretch out from main frame 1, are connected with blade carrier.One eccentric is fixedly connected on the lower surface of gear 15, and this eccentric comprises large eccentricity wheel 17 and small eccentricity wheel 18, two eccentric wheels are made one.

Be the structure of example explanation garden tool 100 automatic tool presets below with topiary blade carrier 2.In Fig. 1, the main frame 1 of garden tool 100 is connected with topiary blade carrier 2, and the garden tool 100 of this moment can be used as a shrub trimmer and uses.As Fig. 1 and shown in Figure 5, two

holes

21,22 of vertically arranging are arranged on the blade carrier 2, the spacing between these two holes equates with spacing between axle 16 and the axle 11,

spools

16,11 can distinguish in the patchhole 21,22.The blade 20 of blade carrier 2 is made up of cutter 201 and bottom knife 202.Wherein, cutter 201 is a bending blade, and as shown in Figure 4, the bending that makes progress of the mounting portion of this blade 201 forms a dogleg section 205, cutting part 206 almost parallels of this dogleg section 205 and blade 201, and both are not in same plane; Bottom knife 202 is a flat blade.Preferably, last bottom knife 201,202 adopts and has certain flexible spring steel and make.In the present embodiment, last bottom knife 201,202 is done anti-phase straight reciprocating motion, and in other embodiments, this blade also can be made up of a movable blades and a stationary blade.The mounting portion of last bottom knife 201,202 has a big slotted eye 203 and a little slotted eye 204 respectively, the short radius of these two slotted eyes equates that with the radius of big or small

eccentric wheel

17,18 on the axle 11 therefore big or small slotted eye 203,204 can match with big or small

eccentric wheel

17,18 respectively respectively.Hole 22 is positioned at big or small slotted eye 203,204.Last bottom knife 201,202 is installed on the gripper shoe 5 of base 4 by bolt.This gripper shoe 5 is fixedlyed connected with base 4, and as shown in Figure 6 and Figure 7, gripper shoe 5 comprises a groove 50, and its size is greater than the mounting portion of bottom knife 202, so the mounting portion of bottom knife 202 is in vacant state.Cutter 201 is positioned on the bottom knife 202, and its dogleg section 205 also is in vacant state.Because last bottom knife 201,202 all has certain elasticity, so both in the vertical directions have freedom of motion, can be to bottom offset.

Also comprise back joint fastener 41 and left and right sides

joint fastener

42,43 on the base 4 of blade carrier 2.Has a button 6 on the main frame 1.By this button 6, the user can handle connected hook 7 and turn to and cooperate with draw-in groove 44 on the base 4 or separate.When mounting cutter carrier 2, earlier in the hole 19 that back joint fastener 41 is inserted on the main frames 1, again

axle

16,11 is aimed in the

patchhole

21,22, press the button 6 this moment, makes hook 7 be in and produce the position, blade carrier of closing then 2 and main frame 1, make left and right sides

joint fastener

42,43 engage with left and right sides groove 72,73 on the main frame 1, last release button 6, hook 7 changes in the groove 44, so blade carrier 2 is installed on the main frame 1.In this state, big or small

eccentric wheel

17,18 might not just in time be positioned at big or small slotted eye 203,204, might be pressed on the edge of slotted eye, makes the mounting portion of going up bottom knife 201,202 move down.At this moment, starter motor 10, motor 10 drives big or small

eccentric wheel

17,18 by reducing gear and rotates, when big or small

eccentric wheel

17,18 turns to the short radius place of big or small slotted eye 203,204, can fall in the slotted eye 203,204, match, realize aiming at automatically with slotted eye.Simultaneously, last bottom knife 201,202 has not been owing to there has been the pressure of

eccentric wheel

17,18, and pops up, and recovers reset condition.So blade 20 is done anti-phase straight reciprocating motion then under the drive of

eccentric wheel

17,18, thereby implement to prune.

As shown in Figure 2, be example with the blade carrier 3 of mowing, blade 30 is made up of a movable blades 301 and a stationary blade 302, and movable blades 301 can swing with respect to stationary blade 302.Wherein, stationary blade 302 is fixedly mounted on the base 4; Movable blades 301 is the bending blade, and its dogleg section 305 can move by in the vertical direction.There is a slotted eye 303 mounting portion of movable blades 301, and it can match with the large eccentricity wheel 17 on the main frame 1.When needs used garden tool 100 as mower, the user can press the button 6, unloaded topiary blade carrier 2, changed the blade carrier 3 of mowing.The assembling process of blade carrier 3 is identical with the assembling process of above-mentioned blade carrier 2, earlier back joint fastener 41 is inserted in the groove 19 of main body 1,

axle

16,11 is aimed in the

patchhole

21,22 blade carrier 3 of closing respectively again.So blade carrier 3 is installed on the main frame 1.Under this confined state, eccentric wheel 17 is pressed on the edge of slotted eye 303 probably, and does not aim at, and makes the dogleg section 305 of movable blades 301 to bottom offset.At this moment, starter motor 10, eccentric wheel 17 is along with axle 11 rotations, when going to the short radius place of slotted eye 303, it falls in this slotted eye 303, realize aiming at automatically, the dogleg section 305 of movable blades 301 returns to initial conditions owing to leaving of eccentric wheel 17 pops up, and moves under the drive of eccentric wheel 17 then.For this blade carrier that a movable blades is only arranged, with the installation of main frame 1 and automatic tool preset the time, the small eccentricity wheel 18 on the axle 11 is in idle state.

Those of ordinary skill in the art should expect easily that the blade carrier with other cutters also can be installed on the main frame, thereby can be so that this garden tool has purposes widely.As long as comprise the function that at least one blade that has bending can be realized automatic tool preset in its cutter, for user's tool changing provides convenience.

The garden tool that the utility model discloses is not limited to content mentioned above and structure shown in the drawings.For example, the material of cutter is not limited to spring steel, also can adopt other suitable to have certain flexible material; Mounting structure between blade carrier and the main frame; Eccentric number when the cutter on the blade carrier all has only a movable blades, only needs an eccentric wheel can realize automatic tool preset.In a word, on basis of the present utility model, the shape of other members and position made apparently and change, substitute or revise, all within scope of the present utility model.

Claims

1. garden tool, comprise main frame, at least one removable blade carrier, wherein, motor and transmission mechanism are installed in the described main frame, described blade carrier comprises base and toolbox, blade carrier can be installed on the described main frame by base, described transmission mechanism comprises an eccentric, eccentric can be meshed with the mounting portion of toolbox, it is characterized in that, described toolbox comprises at least one movable cutter, and the mounting portion of described at least one movable cutter is a dogleg section, and the cutting part of described mounting portion and cutter is not in same plane.

2. garden tool as claimed in claim 1 is characterized in that, described toolbox adopts elastomeric material to make.

3. garden tool as claimed in claim 1 or 2 is characterized in that described toolbox comprises a pair of cutter, and one of them cutter is a movable cutter, and described movable cutter has dogleg section, and another cutter is a straight cutter.

4. garden tool as claimed in claim 3 is characterized in that the dogleg section of described movable cutter has the hole.

5. garden tool as claimed in claim 4 is characterized in that, the transmission mechanism in the described main frame comprises an eccentric, and described eccentric matches with the hole of described dogleg section.

6. garden tool as claimed in claim 1 is characterized in that, has a plurality of fasteners on the base of described blade carrier, and described main frame has a plurality of engaging grooves, and by cooperating of fastener and engaging groove, described blade carrier is installed on the main frame.

7. garden tool as claimed in claim 6, it is characterized in that described main frame has extended two axles, have two holes of vertically arranging on the described blade carrier, distance between the described diaxon is relative with the distance between two holes, and diaxon can insert respectively in two holes.