CN103448039B - Control device of rear power tool - Google Patents
Control device of rear power tool Download PDFInfo
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- CN103448039B CN103448039B CN201310402050.8A CN201310402050A CN103448039B CN 103448039 B CN103448039 B CN 103448039B CN 201310402050 A CN201310402050 A CN 201310402050A CN 103448039 B CN103448039 B CN 103448039B
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Abstract
The invention provides a control handle of a rear power tool, and the handle is sensitive in control and is high in switching requirement. The invention relates to the rear power tool and has the technical scheme that a control device of the rear power tool comprises the control handle, the control handle comprises a grab handle held by an operator, and a handle main body connected to one end of the grab handle, the grab handle and the handle main body are fixed on an output rod of the power tool, the handle main body is provided with a power switch for switching on a power supply, and the grab handle is provided with a self-locking switch and a master switch. When the control handle is held, the self-locking switch is close to the part, between the thumb and the index finger, of a hand of the operator, so that the operation is convenient, and the hand feeling during operation is better; in addition, the action of the master switch is protected in a way that a sliding block stops the action of the master switch, so that the sensitivity is high, and the possibility of control failure is small.
Description
Technical field
The present invention relates to a kind of graden machine instrument, especially a kind of rear-mounted power tools control.
Background technology
Joystick in garden instrument such as grass-mowing machine, pruner etc. are long because of action bars, the behaviour to joystick
Make sensitivity requirement higher.
Content of the invention
A kind of sensitive, the high rear-mounted power instrument joystick of switching requirements of control proposed by the present invention.The present invention relates to
Rear-mounted power tool technique scheme be: a kind of rear-mounted power tools control, it includes joystick, joystick bag
Include: the lever that operator grips, the handle main body being connected with lever one end, lever and handle main body are fixed on power tool
On take-off lever, handle main body is provided with the on and off switch for power-on；Self-lock switch and master switch are provided with lever.
Preferably, the self-lock switch trigger including duck tongue shaped and the position limiting slide block, trigger and the limit that are applied on take-off lever
Position slide block is integrally fixed.
Preferably, being provided with trigger switch in handle main body, the press degree of trigger switch motor is carried out
The control of speed.
Preferably, self-lock switch and master switch cooperate, action is pressing trigger switch.
Preferably, trigger upwarps slide block a low position, the lower end of slide block defines stop to master switch, so that
For preventing operator's maloperation.
Preferably, operator is pressed to the trigger of self-lock switch with tiger's jaw when operator's gripping handle, trigger
With moving on movable slider, the stop to master switch is released.
Preferably, the retaining frame of the outside protuberance protection handss of lever, retaining frame two ends connect unit head and handle master respectively
Body.
Preferably, lever be connected with lever one end handle main body, be connected with below handle main body and extend to unit head
On the retaining frame for protecting operator's handss；Three defines d font.
The invention has the beneficial effects as follows: when gripping, the self-lock switch of handle, at the tiger's jaw of operator, is so easy to
Operation, operating handle preferably, and employs slide block and stops the action to protect master switch of the form of master switch action, and it is sensitive
Degree is high.Control the probability losing efficacy little.
Brief description
Fig. 1 is to represent the attached structural representation joining grass-mowing machine of rear-mounted power instrument.
Fig. 2 is the left view representing Fig. 1.
Fig. 3 is the front view representing rear-mounted power instrument.
Fig. 4 is the upward view (omission assist handle) representing rear-mounted power instrument.
Fig. 5 is the structural representation representing motor output end.
Fig. 6 is the schematic diagram representing battery bag inserting mode.
Fig. 7 is to represent Power Drive Unit and its assembling structure schematic diagram with take-off lever
Fig. 8 is the axonometric chart representing motor output end support.
Fig. 9 is the sectional view representing motor output end support.
Figure 10 is the structural representation representing rear-mounted power instrument joystick.
Figure 11 is the schematic diagram representing joystick action.
Figure 12 is the structural representation representing self-lock switch.
Figure 13 is the structural representation representing master switch.
Figure 14 is to represent joiner structure schematic diagram.
Figure 15 is the sectional view representing Figure 14.
Figure 16 is the a-a direction view representing in Figure 14.
Figure 17 is the schematic diagram representing that spanner shown in Figure 16 is elastic.
Figure 18 is the structural representation representing work head connecting tube or output boom end.
In figure: 1, rear-mounted power instrument, 2, unit head, 21, housing, 22, battery bag, 23, support base, 24, motor, 25,
Fan blade, 26, motor output shaft, 231, flange, 232, air outlet, 233, connecting tube, 234, tight lock part, 235, locking hole, 236,
Chute, 3, joystick, 31, lever, 32, handle main body, 33, retaining frame, 34, self-lock switch, 341, trigger, 342, spacing cunning
Block, 35, master switch, 36, on and off switch, 37, trigger switch, 4, take-off lever, 4a, take-off lever, 41, flexible axle, 42, pipe, 43, lock
Knob, 4a1, flexible axle, 4a2, pipe, 5, coupling, 51, body, 52, location hole, 53, locking bed, 54, fluting, 55, bolt, 56,
Spanner, 57 flutings, 58, screw, 59, nut, 6, moving head, 7, guard shield, 8, work head.
Specific embodiment
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clearly defining.And
It should be appreciated that wording as used herein and term are for illustration purposes, and the property of should not be considered as limiting.
As shown in Fig. 1 Fig. 2, rear-mounted power instrument 1 can attached join grass-mowing machine work head, 8, mow or brush wood when make
With.Wherein rear-mounted power instrument 1 includes: provides the take-off lever 4 that the unit head 2 of power source is connected with unit head 2；Power tool 1
Still further comprise joystick 3 and the assist handle 3a being arranged on take-off lever 4, be connected with the other end of take-off lever 4
For with work a 8 attached coupling 5 joined.In addition, work 8 includes take-off lever 4a, connect in one end of take-off lever 4a and beat
Toothed burclover 6, it is used for protecting the guard shield 7 of operator in take-off lever 4a fixed operation at moving head 6 position, in work 8
When take-off lever 4a is plugged on coupling 5 away from one end (as shown in figure 15) of moving head 6, the flexible axle connection in two take-off levers comes
Output power.
As Fig. 3 Fig. 4 shows the primary structure details of rear-mounted power instrument 1, as shown in figure 3, unit head further wraps
Include housing 21, in housing 21, be provided with battery bag 22, battery bag 22 has been wrapped wherein by housing 21 half in the present embodiment；In addition
It is also the embodiment that those skilled in the art is readily apparent that battery bag is completely wrapped in housing.Rear-mounted power instrument 1 enters
One step includes joystick 3, and joystick 3 includes lever 31 and the handle main body 32 of operator's gripping, wherein lever 31 and handss
Handle main body 32 is fixed on take-off lever 4, the retaining frame 33 of the outside protuberance protection handss of lever 31, and retaining frame two ends connect power respectively
2 and handle main body 32, on and off switch 36 is provided with handle main body；Lever 31 is vertically disposed with self-lock switch 34 and master opens
Close 35.
It is provided with the flexible axle 41 of transmission in the take-off lever 4 of power tool 1；This flexible axle 41 one end connects the drive in unit head
Galvanic electricity machine, one end extends in coupling 5, to provide power, is specifically shown in explained below.
The gripping of operator for convenience, rear-mounted power instrument 1 fixes assist handle 3a, assist handle on take-off lever 4
The geomery of 3a can be adapted to according to different product standards, and this structure is that the conventional design here of the art is no longer superfluous
State.
As shown in Fig. 5 Fig. 6, housing 21 one end extends to take-off lever to the CONSTRUCTED SPECIFICATION of the unit head of the present invention；The other end is
The groove of one opening, for installing battery bag 22.It is fixed with Power Drive Unit, Power Drive Unit includes motor 24 in housing 21
With electric machine support 23, motor 24 includes motor output shaft 26, near outfan fixation fan blade 25, assembling on motor output shaft 26
When, electric machine support 23 passes through bolt with motor assembling one, and the fan blade 25 after assembling has been arranged on electric machine support and has corresponded to air outlet
At 232, for radiating to the assembly of the heatings such as the battery bag in housing, motor, circuit board.Power Drive Unit is as one
Individual entirety is embedded in casing 21 and is fixed, and the output shaft 26 of the outfan as motor of Power Drive Unit extends to electricity
(see figure 8) in the connecting tube 233 of machine support 23.Power Drive Unit is fixed in housing as an entirety.In addition in shell
Air channel, muscle therein and shutter that shutter on the muscle of internal injection formation and housing, louvre are constituted, louvre
It is designed as the usual design meanses using of those skilled in the art will not be described here.
As shown in Fig. 7 Fig. 8 Fig. 9, the structural representation of Power Drive Unit and its and take-off lever.Therein as Fig. 8 and
Fig. 9 shows the concrete structure of electric machine support 23, and wherein electric machine support 23 includes the flange being connected with the stator fixation of motor
231, flange 231 have tubular for accommodating fan blade sleeve, sleeve has the air outlet of radiating, with sleeve connection be to be connected
Tight lock part 234 is provided with pipe 233, wherein connecting tube 233, connecting tube 233 is additionally provided with locking hole 235, in connecting tube 233
Inwall has the chute extending to locking hole from end.In cooperation, one end (as shown in figure 18) of take-off lever 4 is inserted into connection
Guan Zhong, the lock knob 43 of take-off lever therein is slided in locking hole 235 by chute 236 and is positioned, and tight lock part 234 can
To be screwed by bolt, and then fasten between take-off lever 4 and connecting tube 233.After assembling, the output shaft quilt of motor
The connection end being nested into flexible axle 41 is directly sent to flexible axle by motor output shaft moment of torsion by motor, is more further passed by flexible axle
Move on work head.So, can guarantee that take-off lever is difficult to slide, mechanical loss can have been reduced in transmission, improved transmission effect
Rate.
As shown in Figure 10 Figure 11 Figure 12 and Figure 13, joystick includes operator's gripping to the concrete structure of joystick 3
Handle main body 32 that lever 31 is connected with lever one end, handle main body 32 be connected with below extend on unit head 2 for protecting
The retaining frame 33 of shield operator's handss；Three defines d font.It is provided with the power supply for power-on to open on handle main body 32
Close 36.It is configured with self-lock switch 34 as shown in figure 12 on lever 31, be used for preventing operator's maloperation self-lock switch 34,
The further trigger 341 including duck tongue shaped and the position limiting slide block 342, trigger 341 and the position limiting slide block that are applied on take-off lever 4
342 are integrally fixed；The following master switch 35 as shown in fig. 13 that is configured with of lever is used for driving trigger switch 37.Self-lock switch
34 and master switch 35 cooperate action pressing trigger switch 37, and according to the press degree of trigger switch 37 come to driving electricity
Machine 24 carries out the control of speed.During initial state as shown in figure 11, trigger 341 upwarps slide block 342 in a low position, slide block
Lower end stop is defined to master switch 35, at this moment master switch 35 can not be pressed.As shown in figure 12 when operator's gripping handle
Operator is pressed to the trigger 341 of self-lock switch 34 with tiger's jaw, trigger 341 band movable slider 342 moves and makes to master switch
35 stop releases, and after operator presses master switch 35, master switch 35 action presses trigger switch, and according to operator's
Press degree trigger switch 37 adjusts the rotary speed of motor 24.
The structural representation of the coupling as shown in Figure 14 Figure 15 Figure 16 Figure 17.Wherein, as the two of Figure 14 Figure 15 coupling 5
End is respectively used to couple take-off lever 4 and take-off lever 4a, and the flexible axle 41 that such rotation torque passes through in the take-off lever 4 of power tool passes
Deliver on the flexible axle 4a1 in the take-off lever 4a at the first end of work, to drive the work of work head.Coupling 5 is near power tool
One end of outfan 4 is called input, and the one end near work head is called outfan.The concrete structure of coupling 5 is: coupling
5 bodies 51 including sleeve shaped, the input of body 51 has fluting 54, and there is the fastening seat for fastening the both sides of fluting 54
53；Fastening seat 53 is screwed with bolt and in vivo it is fastened to be inserted into this in take-off lever 4.Near fastening seat on body
Have location hole 52 at 53 position, in location hole 52, be configured with screw 58, when take-off lever 4 enter to body 51 tighten screw 58 with
Just take-off lever 4 is positioned.During assembling, in take-off lever 4 insertion body 51, positioned with screw 58 and fastened, and used
Bolt is fastened locking bed.
In coupling 5 is that outfan has fluting 57, and as shown in Figure 16 and Figure 17, the both sides of fluting 57 have for
The fastening seat 53a of fastening；Fastening seat 53a passes through bolt 55 and nut 59 is fastened, and operator can be with turn nut 59
The elasticity being fastened is finely adjusted.It is connected with spanner 56 in one end of bolt 55, operator passes through rotatably to pull
Handss 55 carrying out the Quick-clamped of the outfan to body 51 and to unclamp so that quick-replaceable work head.During assembling, work will be worked as
The take-off lever 4a of head is inserted in the outfan of body 51, and the lock knob 43 be aligned body of the positioning action on take-off lever 4a leaves
Location hole, the at this moment take-off lever 4a1 connection of the flexible axle 41 of the take-off lever of power tool and work head, such moment of torsion transmits from motor
It is further conveyed to after flexible axle 41 on flexible axle 4a1, the moment of torsion on flexible axle 4a1 provides power, such as Fig. 1 figure to further work head
In grass-mowing machine shown in 2, this flexible axle 4a1 is sent to moving head power further, drives moving head work.
In addition, work head can also be the common work heads such as gardens trimmer, pruner, bar chain saw, loosenning tiller.This work
The power intake making head adopts structure as shown in figure 18, to carry out wildcard with rear-mounted power instrument, power intake
Feature is that it includes pipe 42(4a2), be configured with flexible axle 41(4a1 in pipe), in pipe 42(4a2) for wildcard coupling one end
It is configured with the lock knob 43 for positioning near edge.
The present invention can be achieved by the prior art without the technical characteristic of description, will not be described here.Certainly, above state
Bright is not limitation of the present invention, and the present invention is also not limited to the example above, and those skilled in the art exist
Change, remodeling, interpolation or the replacement made in the essential scope of the present invention, also should belong to protection scope of the present invention.
Claims (6)
1. a kind of rear-mounted power tools control it is characterised in that: it includes joystick (3), and joystick (3) includes:
The lever (31) that operator grips,
The handle main body (32) being connected with lever one end,
Lever (31) and handle main body (32) are fixed on the take-off lever (4) of power tool,
On and off switch (36) for power-on is provided with handle main body (32)；Lever is provided with self-lock switch on (31)
And master switch (35) (34)；
Self-lock switch (34) includes the trigger (341) of duck tongue shaped and the position limiting slide block (342) being applied on take-off lever (4), trigger
(341) it is integrally fixed with position limiting slide block (342)；It is provided with trigger switch (37), the pressing of trigger switch (37) in handle main body
Pressure degree motor (24) is carried out the control of speed.
2. rear-mounted power tools control according to claim 1 it is characterised in that: self-lock switch (34) and master switch
(35) cooperate action pressing trigger switch (37).
3. rear-mounted power tools control according to claim 1 it is characterised in that: trigger (341) upwarps, spacing cunning
Block (342) defines stop in a low position, the lower end of slide block to master switch (35), grasps for use in preventing operator by mistake
Make.
4. rear-mounted power tools control according to claim 3 it is characterised in that: when operator's gripping handle grasp
Author is pressed to the trigger (341) of self-lock switch (34) with tiger's jaw, and trigger (341) drives the upper shifting of position limiting slide block (342) to make
The stop of master switch (35) must be released.
5. rear-mounted power tools control according to claim 4 it is characterised in that: the outside of described lever (31) is grand
Play the retaining frame (33) of protection handss, retaining frame two ends connect unit head (2) and handle main body (32) respectively.
6. rear-mounted power tools control according to claim 5 it is characterised in that: described lever (31) and lever
What the handle main body (32) of one end connection, handle main body (32) connected below extends to operating for protection on unit head (2)
The retaining frame (33) of person's handss, three defines d font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402050.8A CN103448039B (en) | 2013-09-06 | 2013-09-06 | Control device of rear power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402050.8A CN103448039B (en) | 2013-09-06 | 2013-09-06 | Control device of rear power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103448039A CN103448039A (en) | 2013-12-18 |
| CN103448039B true CN103448039B (en) | 2017-02-01 |
Family
ID=49731078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310402050.8A Active CN103448039B (en) | 2013-09-06 | 2013-09-06 | Control device of rear power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103448039B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109997517A (en) * | 2019-01-16 | 2019-07-12 | 浙江亚特电器有限公司 | A kind of starter and grass trimmer for gardens electric tool |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207621U (en) * | 1987-04-30 | 1987-12-26 | 管建新 | Stepless speed regulating switch for electric tools |
| JP3274580B2 (en) * | 1995-01-31 | 2002-04-15 | 株式会社共立 | Operation lever mechanism for handle |
| JPH1066447A (en) * | 1996-08-29 | 1998-03-10 | Kinsei Engei Kogyo Kk | Electrically-driven pruning scissors for high branch |
| CN2328163Y (en) * | 1998-04-29 | 1999-07-14 | 山东临沂农业药械厂 | Grass cutter |
| CN2465297Y (en) * | 2001-02-20 | 2001-12-12 | 正峰工业股份有限公司 | Two-section self-locking type switch structure for hand tool |
| CN2825224Y (en) * | 2005-08-25 | 2006-10-11 | 叶伟豪 | Handle structure with safety lock |
| CN201533511U (en) * | 2009-08-19 | 2010-07-28 | 浙江亚特电器有限公司 | Hand-hold and high branch trimming transformation structure for electric chain saw and trimmer |
| CN203592471U (en) * | 2013-09-06 | 2014-05-14 | 常州格力博有限公司 | Control device of rear power tool |
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2013
- 2013-09-06 CN CN201310402050.8A patent/CN103448039B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103448039A (en) | 2013-12-18 |
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Address after: No.65-1 Xinggang Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Gelibo (Jiangsu) Co., Ltd Address before: 213023 Jiangsu city in Changzhou Province Economic Development Zone Xingang Zhonglou District Tower Road No. 65 Patentee before: CHANGZHOU GLOBE Co.,Ltd. |