CN203918981U - A kind of rear-mounted power instrument and coupling arrangement thereof - Google Patents
A kind of rear-mounted power instrument and coupling arrangement thereof Download PDFInfo
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- CN203918981U CN203918981U CN201320552669.2U CN201320552669U CN203918981U CN 203918981 U CN203918981 U CN 203918981U CN 201320552669 U CN201320552669 U CN 201320552669U CN 203918981 U CN203918981 U CN 203918981U
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- lever
- take
- working head
- power
- flexible axle
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Abstract
Rear-mounted power instrument and coupling arrangement technical scheme thereof that the utility model relates to be, a kind of rear-mounted power instrument, and rear-mounted power instrument comprises: the unit head of power source is provided, and it comprises housing, is provided with power brick and Power Drive Unit in housing; Joystick; The take-off lever being connected with unit head; Take-off lever one end connects Power Drive Unit, to power is provided; The other end of take-off lever connects coupling, and the other end of coupling connects working head.The beneficial effects of the utility model are: realize accessory head in garden instrument and change arbitrarily, the unit head multiple working head of can arranging in pairs or groups, unit head only needs a, powerful, complete, the output shaft of the motor in drive unit does not need to be directly connected on flexible axle by the deceleration of gear-box, and motor, by soft axle transmission, acts on accessory head, accessory head is worked smoothly, and this unit head multiple accessory head of can arranging in pairs or groups, so realizes accessory head in garden instrument and change arbitrarily, and its machinery driving efficiency is higher.
Description
Technical field
The utility model relates to a kind of graden machine instrument, especially rear-mounted power tool and the coupling arrangement thereof that power is provided.
Background technology
The garden instrument major part of the rear-mounted powers such as grass-mowing machine in the market, loosenning tiller, trimmer is all to use miniature gasoline engine, and efficiency is low, also can use AC power, but carries inconvenience.Use when battery-operated, drive motors is all to be slowed down and be connected on hard axle by reduction box, and in the process moving in turn at gear, what efficiency can one-level one-level successively decreases, so add up, loss efficiency is many, and service efficiency is low.And the coupling of quick-replaceable working head is had relatively high expectations, need clamping realized to Quick-clamped simultaneously and unclamp and the fine adjustments to elasticity.
Summary of the invention
The utility model, for overcoming the problems referred to above, provides a kind of employing power directly to transmit, and has rear-mounted power instrument and the coupling arrangement thereof of Quick-clamped and the adjustable coupling of degree of tightness.
The rear-mounted power tool technique scheme that the utility model relates to is, a kind of rear-mounted power instrument, and rear-mounted power instrument comprises: the unit head of power source is provided, and it comprises housing, is provided with power brick and Power Drive Unit in housing; Joystick; The take-off lever being connected with unit head; Take-off lever one end connects Power Drive Unit, to power is provided; The other end of take-off lever connects coupling, and the other end of coupling connects working head.
As preferably, Power Drive Unit comprises motor and electric machine support, and motor includes motor output shaft, and electric machine support is by bolt and motor assembling one, assembling all-in-one-piece Power Drive Unit do as a whole be embedded in housing fixing.
As preferably, motor includes motor output shaft, and the link that the output shaft of motor is nested into flexible axle is directly sent to the first flexible axle by motor output shaft moment of torsion by motor, is more further transferred on working head by the first flexible axle.
As preferably, coupling 5 is input near one end of power tool output 4, near one end of working head, is output.
As preferably, working head comprises pipe, in pipe, disposes the second flexible axle, at pipe, for the place of keeping to the side, one end of wildcard coupling, disposes the lock knob for locating.
As preferably, the second flexible axle is further sent to working head power, and described working head is grass-mowing machine, the second driven by quill shaft moving head work.
In addition, a kind of rear-mounted power instrument coupling arrangement, it includes coupling, and coupling is input near one end of power tool output, and one end of close working head is output; Input is for connecting the take-off lever of power set; Output is for connecting the take-off lever of working head; In the take-off lever of power tool, dispose the first flexible axle, in working head take-off lever, dispose on the second flexible axle; During assembling, the first flexible axle and the second flexible axle connect in coupling, so that rotation torque is sent to working head, drive working head work.
As preferably, coupling comprises the body of sleeve shaped, and the input of body has fluting, and the both sides of fluting are useful on the fastening base of fastening use; Fastening base screws with bolt to carry out fastening to it in take-off lever is inserted into body.
As preferably, the position near fastening base on body has locating hole, disposes the screw positioning with fastening use in locating hole, when take-off lever enters to body, tightens screw to take-off lever is positioned.
As preferably, coupling be that output has fluting, the both sides of fluting are useful on fastening fastening base; Fastening base is undertaken fastening by screw bolt and nut, the spanner that is connected with Quick-clamped in one end of bolt and unclamps.
As preferably, the take-off lever of working head is inserted in the output of body, the first flexible axle of the take-off lever of power tool and the take-off lever of working head connect, so that moment of torsion is further sent on the second flexible axle from motor is sent to the first flexible axle, the moment of torsion on the second flexible axle further provides power to working head.
As preferably, the lock knob of the positioning action on take-off lever is aimed at the locating hole of opening on body.
As preferably, working head comprises pipe, in pipe, disposes the second flexible axle, at pipe, for the place of keeping to the side, one end of wildcard coupling, disposes the lock knob for locating.
The beneficial effects of the utility model are: the take-off lever of unit head and the take-off lever of working head are realized assembling fast by coupling, so realize accessory head in garden instrument and change arbitrarily, the unit head multiple working head of can arranging in pairs or groups, unit head only needs a, powerful, complete.The output shaft of the motor in drive unit does not need to be directly connected on flexible axle by the deceleration of gear-box, motor passes through soft axle transmission, motor does not need to be directly connected on soft axle transmission bar by the deceleration of gear-box, motor passes through soft axle transmission, act on accessory head, accessory head is worked smoothly, and this unit head multiple accessory head of can arranging in pairs or groups, so realize accessory head in garden instrument and change arbitrarily, and its machinery driving efficiency is higher.
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 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, 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, the first flexible axle, 42, pipe, 43, lock knob, 4a1, the second 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 utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model 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 grass-mowing machine working head, and 8, when mowing or brush is wooden, use.Wherein rear-mounted power instrument 1 comprises: the unit head 2 of power source, the take-off lever 4 being 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; in one end of take-off lever 4a, connect moving head 6, at take-off lever 4a guard shield 7 for the protection of operator during near moving head 6 position fixed operation; when the take-off lever 4a on working head 8 is plugged on coupling 5 away from one end (as shown in figure 15) of moving head 6, 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 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, retaining frame two ends connect respectively unit head 2 and handle main body 32, are provided with power switch 36 in handle main body; Lever 31 is setting up and down self-lock switch 34 and main switch 35.
In the take-off lever 4 of power tool 1, be provided with the first flexible axle 41 that transmission is used; These the first flexible axle 41 one end connect the drive motors in unit head, and one end extends in coupling 5, to power is provided, specifically sees description below.
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 adaptive according to different product standards, and the conventional design that this structure is the art does not repeat them here.
The CONSTRUCTED SPECIFICATION of unit head of the present utility model is as shown in Fig. 5 Fig. 6, and housing 21 one end extend to take-off lever; The other end is the groove of an opening, for power brick 22 is installed.In housing 21, be fixed with Power Drive Unit, 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, dispels the heat.Power Drive Unit is done as a whole being embedded in housing 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 using 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 fan blade sleeve, on sleeve, have the air outlet of heat radiation, what be connected with sleeve is tube connector 233, wherein on tube connector 233, be provided with tight lock part 234, on tube connector 233, be also provided with locking hole 235, at tube connector 233 inwalls, have the chute that extends to locking hole from end.When coordinating, one end of take-off lever 4 (as shown in figure 18) is inserted in tube connector, the lock knob 43 of take-off lever is wherein slided in locking hole 235 and is positioned by chute 236, and tight lock part 234 can screw 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 the first flexible axle 41 is directly sent to flexible axle by motor output shaft moment of torsion by motor, is more further 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 that lever 31, the handle main body 32 being connected with lever one end, handle main body 32 that operator grips are connected with the retaining frame 33 for the protection of operator's hand extending on unit head 2 below; Three has formed D font.On handle main body 32, be provided with the power switch 36 for power-on.On lever 31, dispose self-lock switch 34 as shown in figure 12, be used 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; Lever dispose below main switch 35 as shown in figure 13 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, operator presses 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 making main switch 35 on movable slider 342, after operator presses main switch 35, trigger switch is pressed in main switch 35 actions, and according to operator's press degree trigger switch 37, adjusts the rotary speed of drive motors 24.
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 second flexible axle 4a1 that rotation torque is sent to by the first flexible axle 41 in the take-off lever 4 of power tool in the take-off lever 4a of working head one end is like this upper, to drive working head work.Coupling 5 is called input near one end of power tool output 4, and one 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 the both sides of fluting 54 are useful on the fastening base 53 of fastening use; Fastening base 53 use bolts screw 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 to take-off lever 4 is positioned.During assembling, take-off lever 4 inserts in body 51, positions with fastening, and with bolt, locking bed is carried out fastening with screw 58.
Coupling 5 be that output has fluting 57, and as shown in Figure 16 and Figure 17, the both sides of fluting 57 are useful on fastening fastening base 53a; Fastening base 53a is undertaken fastening by bolt 55 and nut 59, and the elasticity that operator can turn nut 59 carries out on fastening is finely tuned.In one end of bolt 55, be connected with spanner 56, operator is undertaken the Quick-clamped of the output of body 51 and unclamps by pulling rotatably spanner 55, so that quick-replaceable working head.During assembling, take-off lever 4a when working head is inserted in the output of body 51, the lock knob 43 of the positioning action on take-off lever 4a is aimed at the locating hole of opening on body, at this moment the first flexible axle 41 of the take-off lever of power tool and the take-off lever 4a1 of working head connect, moment of torsion is further sent on the second flexible axle 4a1 from motor is sent to the first flexible axle 41 like this, moment of torsion on the second flexible axle 4a1 further provides power to working head, in grass-mowing machine as shown in Fig. 1 Fig. 2, this second flexible axle 4a1 is further sent to moving head power, drives moving head work.
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 rear-mounted power instrument carries out wildcard, the feature of power intake is that it comprises pipe 42(4a2), in pipe, dispose flexible axle 41(4a1), at pipe 42(4a2) for the place of keeping to the side, one end of wildcard coupling, dispose the lock knob 43 for locating.
The utility model 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 to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (12)
1. a rear-mounted power instrument, is characterized in that: rear-mounted power instrument (1) comprising:
The unit head (2) that power source is provided, it comprises housing (21), is provided with power brick (22) in housing (21), and Power Drive Unit;
Joystick (3);
The take-off lever (4) being connected with unit head (2); Take-off lever (4) one end connects Power Drive Unit, to power is provided;
The other end of take-off lever (4) connects coupling (5), and the other end of coupling (5) connects working head;
Coupling (5) is input near one end of power tool output (4), and one end of close working head is output;
Input is for connecting the take-off lever (4) of power set;
Output is for connecting the take-off lever (4a) of working head;
In the take-off lever of power tool (4), dispose the first flexible axle (41), in working head take-off lever (4a), dispose on the second flexible axle (4a1); During assembling, the first flexible axle (41) and the second flexible axle (4a1) connect in coupling (5), so that rotation torque is sent to working head, drive working head work.
2. rear-mounted power instrument according to claim 1, it is characterized in that: described Power Drive Unit comprises motor (24) and electric machine support (23), motor (24) includes motor output shaft (26), electric machine support (23) is by bolt and motor (24) assembling one, and assembling all-in-one-piece Power Drive Unit is done as a whole being embedded in housing (21) and fixed.
3. rear-mounted power instrument according to claim 2, it is characterized in that: described motor (24) includes motor output shaft (26), the link that the output shaft of motor (26) is nested into the first flexible axle (41) is directly sent to flexible axle by motor output shaft moment of torsion, is more further transferred on working head by the first flexible axle (41).
4. rear-mounted power instrument according to claim 1, is characterized in that: described coupling (5) is input near one end of power tool output (4), and one end of close working head is output.
5. rear-mounted power instrument according to claim 3, it is characterized in that: described working head comprises pipe (4a2), in pipe, disposes the second flexible axle (4a1), at pipe (4a2), for place of keeping to the side, one end of wildcard coupling, dispose the lock knob (43) for locating.
6. rear-mounted power instrument according to claim 5, is characterized in that: described the second flexible axle (4a1) is further sent to working head power, and described working head is grass-mowing machine, and the second flexible axle (4a1) drives moving head work.
7. rear-mounted power instrument coupling arrangement according to claim 1, it is characterized in that: described coupling (5) comprises the body (51) of sleeve shaped, the input of body (51) has fluting (54), and the both sides of fluting (54) are useful on the fastening base (53) of fastening use; Fastening base (53) screws with bolt to be inserted in body and carry out fastening to it at take-off lever (4).
8. rear-mounted power instrument coupling arrangement according to claim 7, it is characterized in that: the position near fastening base (53) on body has locating hole (52), in locating hole (52), dispose the screw (58) positioning with fastening use, take-off lever (4) is inserted into body (51) and tightens screw (58) to take-off lever (4) is positioned.
9. rear-mounted power instrument coupling arrangement according to claim 1, is characterized in that: the output of described coupling (5) has fluting (57), and the both sides of fluting (57) are useful on fastening fastening base (53a); Fastening base (53a) is undertaken fastening by bolt (55) and nut (59), the spanner (56) that is connected with Quick-clamped in one end of bolt (55) and unclamps.
10. rear-mounted power instrument coupling arrangement according to claim 7, it is characterized in that: the take-off lever of described working head (4a) is inserted in the output of body (51), first flexible axle (41) of the take-off lever of power tool and the take-off lever (4a) of working head connect, so that it is upper that moment of torsion is further sent to the second flexible axle (4a1) from motor is sent to the first flexible axle (41), the moment of torsion on the second flexible axle (4a1) further provides power to working head.
11. rear-mounted power instrument coupling arrangements according to claim 10, is characterized in that: the lock knob (43) of the positioning action on the take-off lever of described working head (4a) is aimed at the locating hole of opening on body.
12. rear-mounted power instrument coupling arrangements according to claim 10, it is characterized in that: working head comprises pipe (4a2), in pipe, disposes the second flexible axle (4a1), at pipe (4a2), for place of keeping to the side, one end of wildcard coupling (5), dispose the lock knob (43) for locating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552669.2U CN203918981U (en) | 2013-09-06 | 2013-09-06 | A kind of rear-mounted power instrument and coupling arrangement thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552669.2U CN203918981U (en) | 2013-09-06 | 2013-09-06 | A kind of rear-mounted power instrument and coupling arrangement thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203918981U true CN203918981U (en) | 2014-11-05 |
Family
ID=51814855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552669.2U Expired - Lifetime CN203918981U (en) | 2013-09-06 | 2013-09-06 | A kind of rear-mounted power instrument and coupling arrangement thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203918981U (en) |
-
2013
- 2013-09-06 CN CN201320552669.2U patent/CN203918981U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.65-1 Xinggang Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Gelibo (Jiangsu) Co.,Ltd. Address before: 213000 Jiangsu province Changzhou Xingang Tower Road Development Zone No. 65 Patentee before: CHANGZHOU GLOBE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
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| CX01 | Expiry of patent term |