CN103448039A - Control device of rear power tool - Google Patents
Control device of rear power tool Download PDFInfo
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- CN103448039A CN103448039A CN2013104020508A CN201310402050A CN103448039A CN 103448039 A CN103448039 A CN 103448039A CN 2013104020508 A CN2013104020508 A CN 2013104020508A CN 201310402050 A CN201310402050 A CN 201310402050A CN 103448039 A CN103448039 A CN 103448039A
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- lever
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- main body
- trigger
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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 instrument control device.
Background technology
Joystick in garden instrument such as grass-mowing machine, pruner etc. are long because of action bars, and the Operational Figure Of Merit of joystick is had relatively high expectations.
Summary of the invention
A kind of control that the present invention proposes is sensitive, and switch requires high rear-mounted power instrument joystick.The rear-mounted power tool technique scheme the present invention relates to is: a kind of rear-mounted power instrument control device, it comprises joystick, joystick comprises: the operator grips the lever of use, the handle main body be connected with lever one end, lever and handle main body are fixed on the take-off lever of power tool, are provided with the power switch for power-on on handle main body; Be provided with self-lock switch and main switch on lever.
As preferably, self-lock switch comprises the trigger of duck tongue shaped and is applied in the position limiting slide block on take-off lever, and trigger and position limiting slide block are fixed into one.
As preferably, be provided with trigger switch in handle main body, the press degree of trigger switch is carried out the control of speed to drive motors.
As preferably, trigger switch is pressed in the action that cooperatively interacts of self-lock switch and main switch.
As preferably, trigger upwarps slide block a low position, and the lower end of slide block has formed and stopped main switch, for use in preventing operator's maloperation.
As preferably, when operator's gripping handle, the operator is pressed the trigger of self-lock switch with tiger’s jaw, moves the releasing that stops made main switch on trigger band movable slider.
As preferably, the retaining frame that the outside of lever protuberance protection hand is used, the retaining frame two ends connect respectively unit head and handle main body.
As preferably, be connected with the retaining frame for the protection of operator's hand extended on unit head below lever, the handle main body be connected with lever one end, handle main body; The three has formed the D font.
The invention has the beneficial effects as follows: when gripping the self-lock switch of handle near operator's tiger’s jaw place, convenient operation like this, operating handle is better, and the form that has adopted slide block to stop that main switch moves protects the action of main switch, it is highly sensitive.Control the probability lost efficacy little.
The accompanying drawing explanation
Fig. 1 means the attached structural representation of joining grass-mowing machine of rear-mounted power instrument.
Fig. 2 means the left view of Fig. 1.
Fig. 3 means the front view of rear-mounted power instrument.
Fig. 4 means the upward view (omission assist handle) of rear-mounted power instrument.
Fig. 5 means the structural representation of motor output end.
Fig. 6 means the schematic diagram of power brick inserting mode.
Fig. 7 means the assembly structure schematic diagram of Power Drive Unit and it and take-off lever
Fig. 8 means the stereogram of motor output end support.
Fig. 9 means the cutaway view of motor output end support.
Figure 10 means the structural representation of rear-mounted power instrument joystick.
Figure 11 means the schematic diagram of joystick action.
Figure 12 means the structural representation of self-lock switch.
Figure 13 means the structural representation of main switch.
Figure 14 means the joiner structure schematic diagram.
Figure 15 means the cutaway view of Figure 14.
Figure 16 means that A-A in Figure 14 is to view.
Figure 17 means the schematic diagram of the spanner degree of tightness shown in Figure 16.
Figure 18 means the structural representation of working head tube connector or take-off lever end.
In figure: 1, the rear-mounted power instrument, 2, unit head, 21, housing, 22, power brick, 23, supporting seat, 24, motor, 25, fan blade, 26, motor output shaft, 231, flange, 232, air outlet, 233, tube connector, 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, position limiting slide block, 35, main switch, 36, power switch, 37, trigger switch, 4, take-off lever, 4a, take-off lever, 41, flexible axle, 42, pipe, 43, the lock knob, 4a1, flexible axle, 4a2, pipe, 5, coupling, 51, body, 52, locating hole, 53, locking bed, 54, fluting, 55, bolt, 56, spanner, 57 flutings, 58, screw, 59, nut, 6, moving head, 7, guard shield, 8, working head.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.And should be appreciated that as used herein wording and term are for illustration purpose, and the property of should not be considered as limiting.
As shown in Fig. 1 Fig. 2, rear-mounted power instrument 1 can attachedly be joined the grass-mowing machine working head, and 8, when mowing or brush wood, use.Wherein rear-mounted power instrument 1 comprises: the unit head 2 of power source, the take-off lever 4 be connected with unit head 2 are provided; Power tool 1 also further comprised joystick 3 and be arranged on assist handle 3a on take-off lever 4, the other end of take-off lever 4 be connected with for the working head 8 attached coupling of joining 5.In addition; working head 8 has comprised take-off lever 4a; connect moving head 6 at the end of take-off lever 4a, at take-off lever 4a guard shield 7 for the protection of the operator during near moving head 6 position fixed operation; take-off lever 4a on working head 8 is away from the end (as shown in figure 15) of moving head 6 while being plugged on coupling 5, and the flexible axle in two take-off levers connects to come outputting power.
As Fig. 3 Fig. 4 shows the primary structure details of rear-mounted power instrument 1, as shown in Figure 3, unit head has further comprised housing 21, is provided with power brick 22 in housing 21, and power brick 22 is wrapped in wherein by housing 21 half in the present embodiment; To be completely wrapped in housing be also the embodiment that the art personnel easily expect to power brick in addition.Rear-mounted power instrument 1 further comprises joystick 3, joystick 3 comprises lever 31 and the handle main body 32 that the operator grips, wherein lever 31 is fixed on take-off lever 4 with handle main body 32, the retaining frame 33 that the outside protuberance protection hand of lever 31 is used, the retaining frame two ends connect respectively unit head 2 and handle main body 32, are provided with power switch 36 on handle main body; Lever 31 is setting up and down self-lock switch 34 and main switch 35.
Be provided with the flexible axle 41 that transmission is used in the take-off lever 4 of power tool 1; These flexible axle 41 1 ends connect the drive motors in unit head, and an end extends in coupling 5, in order to power is provided, specifically sees following description.
For handled easily person's gripping, rear-mounted power instrument 1 fixing assist handle 3a on take-off lever 4, the geomery of assist handle 3a can be according to different product standard adaptations, and the conventional design that this structure is the art does not repeat them here.
The CONSTRUCTED SPECIFICATION of unit head of the present invention is as shown in Fig. 5 Fig. 6, and housing 21 1 ends extend to take-off lever; The groove that the other end is an opening, for installing power brick 22.Be fixed with Power Drive Unit in housing 21, Power Drive Unit comprises motor 24 and electric machine support 23, motor 24 includes motor output shaft 26, on motor output shaft 26 near the fixing fan blade 25 of output, during assembling, electric machine support 23 is by bolt and motor assembling one, and the fan blade 25 after assembling has been arranged on the corresponding air outlet of electric machine support 232 places, for the assembly of the heatings such as the power brick in housing, motor, circuit board, is dispelled the heat.Power Drive Unit is done as a whole being embedded in casing 21 and is fixed, and the output shaft 26 that the output of Power Drive Unit is motor extends to the interior (see figure 8) of tube connector 233 of electric machine support 23.Power Drive Unit is done as a whole being fixed in housing.The air channel that the muscle that injection moulding forms in housing in addition and the shutter on housing, louvre form, muscle wherein and shutter, the usual design means used of the art personnel that are designed to of louvre does not repeat them here.
As shown in Fig. 7 Fig. 8 Fig. 9, the structural representation of Power Drive Unit and it and take-off lever.Wherein show the concrete structure of electric machine support 23 as Fig. 8 and Fig. 9, wherein electric machine support 23 comprises the flange that be connected 231 fixing with the stator of motor, flange 231 have tubular for holding the fan blade sleeve, have the air outlet of heat radiation on sleeve, what with sleeve, be connected is tube connector 233, wherein on tube connector 233, be provided with tight lock part 234, also be provided with locking hole 235 on tube connector 233, at tube connector 233 inwalls, have the chute that extends to locking hole from end.When coordinating, one end (as shown in figure 18) of take-off lever 4 is inserted in tube connector, the lock knob 43 of take-off lever wherein slides in locking hole 235 and positions by chute 236, and tight lock part 234 can be screwed by bolt, so fastening to carrying out between take-off lever 4 and tube connector 233.After assembling, the link that the output shaft of motor is nested into flexible axle 41 directly is sent to flexible axle to moment of torsion by motor output shaft by motor, more further is transferred on working head by flexible axle.Like this, can guarantee that take-off lever is difficult for sliding, when transmission, can reduce mechanical loss, improve transmission efficiency.
The concrete structure of joystick 3 is as shown in Figure 10 Figure 11 Figure 12 and Figure 13, and joystick comprises below the lever 31 that the operator grips, the handle main body 32 be connected with lever one end, handle main body 32 and is connected with the retaining frame for the protection of operator's hand 33 extended on unit head 2; The three has formed the D font.Be provided with the power switch 36 for power-on on handle main body 32.Dispose self-lock switch 34 as shown in figure 12 on lever 31, for preventing operator's maloperation self-lock switch 34, further comprise the trigger 341 of duck tongue shaped and be applied in the position limiting slide block 342 on take-off lever 4, trigger 341 and position limiting slide block 342 are fixed into one; Dispose main switch 35 as shown in figure 13 below lever for driving trigger switch 37.Self-lock switch 34 and main switch 35 cooperatively interact to move and press trigger switch 37, and according to the press degree of trigger switch 37, drive motors 24 are carried out to the control of speed.During initial state, as shown in figure 11, trigger 341 upwarps slide block 342 a low position, and the lower end of slide block has formed and stopped main switch 35, and at this moment main switch 35 can not be pressed.When operator's gripping handle, the operator is pressed the trigger 341 of self-lock switch 34 with tiger’s jaw as shown in figure 12, trigger 341 is with moving the releasing that stops made main switch 35 on movable slider 342, after operator presses main switch 35, trigger switch is pressed in main switch 35 actions, and adjusts the rotary speed of drive motors 24 according to operator's press degree trigger switch 37.
The structural representation of the coupling as shown in Figure 14 Figure 15 Figure 16 Figure 17.Wherein, as the two ends of Figure 14 Figure 15 coupling 5 are respectively used to connect take-off lever 4 and take-off lever 4a, the flexible axle 4a1 that rotation torque is sent to by the flexible axle 41 in the take-off lever 4 of power tool in the take-off lever 4a of the first end of work like this is upper, in order to drive working head work.Coupling 5 is called input near an end of power tool output 4, and an end of close working head is called output.The concrete structure of coupling 5 is: coupling 5 comprises the body 51 of sleeve shaped, and the input of body 51 has fluting 54, and 54 the both sides of slotting are useful on the fastening base 53 of fastening use; Fastening base 53 use bolts screw in order to be inserted in body and carry out fastening to it at take-off lever 4.Position near fastening base 53 on body has locating hole 52, disposes screw 58 in locating hole 52, when take-off lever 4 enters to body 51, tightens screw 58 in order to take-off lever 4 is positioned.During assembling, take-off lever 4 inserts in body 51, positions with fastening with screw 58, and carries out locking bed fastening with bolt.
In addition, working head can also be the common working heads such as gardens trimmer, pruner, bar chain saw, loosenning tiller.The power intake of this working head adopts structure as shown in figure 18, so that with the rear-mounted power instrument carries out wildcard, the feature of power intake is that it comprises pipe 42(4a2), dispose flexible axle 41(4a1 in pipe), at pipe 42(4a2) dispose the lock knob 43 for locating for an end place of keeping to the side of wildcard coupling.
The present invention can pass through existing techniques in realizing without the technical characterictic of describing, and does not repeat them here.Certainly; above-mentioned explanation is not limitation of the present invention; the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (8)
1. a rear-mounted power instrument control device, it is characterized in that: it comprises joystick (3), joystick (3) comprising:
The operator grips the lever (31) of use,
The handle main body (32) be connected with lever one end,
Lever (31) is upper with the take-off lever (4) that handle main body (32) is fixed on power tool,
Be provided with the power switch (36) for power-on on handle main body (32); Be provided with self-lock switch (34) and main switch (35) on lever (31).
2. rear-mounted power instrument control device according to claim 1, it is characterized in that: self-lock switch (34) comprises the trigger (341) of duck tongue shaped and is applied in the position limiting slide block (342) on take-off lever (4), and trigger (341) and position limiting slide block (342) are fixed into one.
3. rear-mounted power instrument control device according to claim 1, it is characterized in that: be provided with trigger switch (37) in handle main body, the press degree of trigger switch (37) is carried out the control of speed to drive motors (24).
4. rear-mounted power instrument control device according to claim 2 is characterized in that: trigger switch (37) is pressed in the action that cooperatively interacts of self-lock switch (34) and main switch (35).
5. rear-mounted power instrument control device according to claim 2, it is characterized in that: trigger (341) upwarps slide block (342) a low position, and the lower end of slide block has formed and stopped main switch (35), for use in preventing operator's maloperation.
6. rear-mounted power instrument control device according to claim 5, it is characterized in that: when operator's gripping handle, the operator is pressed the trigger (341) of self-lock switch (34) with tiger’s jaw, on trigger (341) band movable slider (342), moves the releasing that stops made main switch (35).
7. rear-mounted power instrument control device according to claim 6 is characterized in that: the retaining frame (33) that the outside protuberance protection hand of described lever (31) is used, the retaining frame two ends connect respectively unit head (2) and handle main body (32).
8. rear-mounted power instrument according to claim 7, is characterized in that: below described lever (31), the handle main body (32) be connected with lever one end, handle main body (32), be connected with the retaining frame for the protection of operator's hand 33 extended on unit head (2); The three has formed the 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 true CN103448039A (en) | 2013-12-18 |
| CN103448039B CN103448039B (en) | 2017-02-01 |
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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) |
Cited By (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 |
Citations (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 |
| US5697258A (en) * | 1995-01-31 | 1997-12-16 | Kioritz Corporation | 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 |
-
2013
- 2013-09-06 CN CN201310402050.8A patent/CN103448039B/en active Active
Patent Citations (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 |
| US5697258A (en) * | 1995-01-31 | 1997-12-16 | Kioritz Corporation | 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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN103448039B (en) | 2017-02-01 |
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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. |