CN103465230B - Swing-type power tool - Google Patents
Swing-type power tool Download PDFInfo
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- CN103465230B CN103465230B CN201210184651.1A CN201210184651A CN103465230B CN 103465230 B CN103465230 B CN 103465230B CN 201210184651 A CN201210184651 A CN 201210184651A CN 103465230 B CN103465230 B CN 103465230B
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Abstract
The open a kind of adjustable swing-type power tool of pendulum angle of the present invention, including: housing, including interconnective head capsule and casing；Motor, is housed in described casing and has the drive shaft rotated；Eccentric part, is arranged in described drive shaft, and around the eccentric axis rotation of described drive shaft；Output shaft, is housed in described head capsule, it is possible to rotate oscillating traverse motion around himself axis, is used for installing and drive work head to work；And shift fork, be connected on described output shaft, by with the coordinating of described eccentric part, the rotary motion of described drive shaft is converted to the rotation oscillating traverse motion of described output shaft.Described head capsule can operationally move relative to described casing, drives described shift fork to move relative to described eccentric part and coordinates in different positions, makes the pendulum angle that the output of described output shaft is different.
Description
Technical field
The present invention relates to a kind of power tool, the swing-type power tool of a kind of hand-held.
Background technology
Multi Role Aircraft is the hand-held swing-type power tool that industry is common, and its operation principle is that output shaft is around self
Axis does oscillating motion.Therefore, after user is provided with different work heads on the free end of output shaft, such as straight blade, circle
After saw blade, triangle frosted dish, spade-type scraper, it is possible to achieve multiple different operating function, as sawed, cut, grind, scraping, with suitable
Answer different work requirements.
With specific reference to Fig. 1 and Fig. 2, existing a kind of swing-type power tool 100 ', including casing 1 ', from the interior extension of casing 1 '
The output shaft 2 ' that goes out, it is arranged on the interior motor 11 ' of casing 1 ' and the main shaft 4 ' driven by motor 11 '.Main shaft 4 ' one end connects to be had
Offseting the connecting shaft 41 ' that its axis is arranged, connecting shaft 41 ' is above provided with a bearing 8 ' with spherical outer surface 81 '.Main shaft 4 '
And between output shaft 2 ', it being provided with shift fork 7 ', one end pivot of shift fork 7 ' is connected on output shaft 2 ', and the other end is formed with a para-position
Arm 71 ' in bearing 8 ' both sides.Output shaft 2 ' is substantially vertical with the axis of main shaft 4 ', the outer surface 81 ' of bearing 8 ' and shift fork
The inner surface of the arm 71 ' of 7 ' is in close contact.When main shaft 4 ' encloses rotatable around its axis, by coordinating of bearing 8 ' and shift fork 7 ',
Drive output shaft 2 ' to do rotation oscillating traverse motion in certain pendulum angle around himself axis, and then drive and install
Tool heads 6 ' reciprocally swinging at output shaft 2 '.
Above-mentioned swing-type power tool 100 ' operationally, bearing 8 ' under the drive of connecting shaft 41 ' around the axis of main shaft 4 '
Rotating, the region that shift fork 7 ' is used for contacting with bearing 8 ' does not becomes always, and therefore, the output shaft 2 ' of swing-type power tool 100 ' can only
Swing in the range of a fixing pendulum angle.And in use, user it is generally desirable to swing-type power tool 100 ' can
To export different pendulum angles, to meet the application of more function.Such as, when using swing-type power tool 100 ' to install rip
When sheet is slotted on the wood materials of different hardness, if the hardness of wood materials is relatively low, output shaft 2 ' output is conventional relatively
Little pendulum angle；And the hardness of wood materials higher time, under less pendulum angle, wood flour be not easy discharge so that
Straight blade is easy to be stuck, and now needs the pendulum angle that output shaft 2 ' output is bigger.Obviously, swing-type power tool 100 ' is
Through this demand can not be met.
Therefore, it is necessary to provide the swing-type power tool of a kind of improvement, to solve the problems referred to above in fact.
Summary of the invention
An object of the present invention is to provide a kind of swing-type power tool, and this swing-type power tool can be at least two
Work under different pendulum angles.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of swing-type power tool, including:
Housing, including interconnective head capsule and casing；
Motor, is housed in described casing and has the drive shaft rotated；
Eccentric part, is arranged in described drive shaft, and around the eccentric axis rotation of described drive shaft；
Output shaft, is housed in described head capsule, it is possible to rotate oscillating traverse motion around himself axis, for installing also
Drive the work of work head；And
Shift fork, is connected on described output shaft, by with the coordinating, by the rotary motion of described drive shaft of described eccentric part
Be converted to the rotation oscillating traverse motion of described output shaft；
Wherein, described head capsule can operationally move relative to described casing, drives the most described eccentric part of described shift fork
Move and coordinate in different positions, making the pendulum angle that the output of described output shaft is different.
Preferably, between described head capsule and described casing, it is provided with guiding mechanism, makes the most described casing of described head capsule can phase
To slip.
Preferably, one of described head capsule and described casing are provided with at least one buckle, and another is provided with at least two can
Respectively with the described draw-in groove being clasped, described head capsule and described casing is made to be relatively fixed at least two cooperation position.
Preferably, the outside of described head capsule or described casing is provided with and avoids both the hoop loosened occur when cooperation position
Tight mechanism.
Preferably, between described head capsule and described casing, it is provided with retaining mechanism, makes the most described casing of described head capsule in office
When one sliding position coordinates, it is locked by retaining mechanism.
Preferably, described retaining mechanism includes cam spanner, rotates described cam spanner, makes described head capsule and described casing
Relatively unclamp or lock.
Preferably, one of described head capsule or described casing are provided with observable scale, it is possible to indicate described head capsule phase
After described casing is slided, the pendulum angle that described output shaft is corresponding.
Preferably, between described head capsule and described casing, it is provided with position-limit mechanism, limits described head capsule relative with described casing
Rotate.
Preferably, described position-limit mechanism includes the guide groove being arranged in described head capsule and casing one of both, and arranges
Guide rail on another, described guide rail can slide un-rotatably in described guide groove.
Preferably, the most described casing of described head capsule is arranged un-rotatably, and described swing-type power tool includes can be relative
The regulation cover that the axis of described drive shaft rotates, described head capsule is provided with and the actuator of described regulation cover threaded engagement, rotates
Described regulation cover, by described regulation cover and the engaging of described actuator, it is possible to drive the most described casing of described head capsule along institute
The axis stating drive shaft moves.
Preferably, between described head capsule and described casing, it is provided with elastic component, makes described head capsule have and be directed away from described machine
The trend of the direction motion of shell.
Preferably, described eccentric part is two, specially clutch shaft bearing and the second bearing, and selectively with described shift fork
Coordinate.
Preferably, described head capsule can regulate by having level or stepless way relative to moving of described casing.
Preferably, described head capsule moves along the axis of described drive shaft relative to described casing.
By being fixedly installed relative to head capsule by output shaft, shift fork is arranged on output shaft, operationally by head capsule relative to machine
Shell moves, and drives shift fork relative eccentric part to move and coordinates in different positions, makes the pendulum angle that output shaft output is different, with
Meet the work requirements of different occasion.
Accompanying drawing explanation
Fig. 1 is the generalized section of existing a kind of swing-type power tool.
Fig. 2 is the partial structurtes schematic diagram of swing-type power tool shown in Fig. 1.
Fig. 3 is that the schematic perspective view of swing-type power tool in first embodiment of the invention, now head capsule and casing are
One cooperation position.
Fig. 4 is the perspective exploded view of swing-type power tool shown in Fig. 3.
Fig. 5 is the combination schematic diagram of casing free end and buckle in swing-type power tool shown in Fig. 4.
Fig. 6 is the swing-type power tool generalized section when the first state shown in Fig. 3.
Fig. 7 is the swing-type power tool schematic perspective view when the second state shown in Fig. 3, and now head capsule and casing are second
Cooperation position.
Fig. 8 is the generalized section of swing-type power tool shown in Fig. 7.
Fig. 9 is the schematic perspective view that swing-type power tool shown in Fig. 3 is provided with hoop-tight organization.
Figure 10 is the schematic perspective view of hoop-tight organization shown in Fig. 9.
Figure 11 is that the schematic perspective view of swing-type power tool in second embodiment of the invention, now head capsule and casing are
One cooperation position.
Figure 12 is that swing-type power tool schematic perspective view in the second condition shown in Figure 11, now head capsule and casing are
Two cooperation positions.
Figure 13 is the perspective exploded view of swing-type power tool shown in Figure 11.
Figure 14 is the generalized section during locking device Guan Bi of swing-type power tool shown in Figure 11.
Generalized section when Figure 15 is that shown in Figure 11, the locking device of swing-type power tool is opened.
Figure 16 is the generalized section of swing-type power tool shown in Figure 11.
Figure 17 is the generalized section of swing-type power tool shown in Figure 12.
Figure 18 is that the schematic perspective view of swing-type power tool in third embodiment of the invention, now head capsule and casing are
One cooperation position.
Figure 19 is the perspective exploded view of swing-type power tool shown in Figure 18.
Figure 20 is the partial cutaway schematic of swing-type power tool shown in Figure 18.
Figure 21 is that swing-type power tool schematic perspective view in the second condition shown in Figure 18, now head capsule and casing are
Two cooperation positions.
Figure 22 is the generalized section of swing-type power tool shown in Figure 18.
Figure 23 is the generalized section of swing-type power tool shown in Figure 21.
Related elements reference numeral in diagram is as follows:
100, Multi Role Aircraft the 1261, first draw-in groove 172, locking member
10, housing the 1262, second draw-in groove 200, Multi Role Aircraft
11, casing 13, output shaft 20, housing
110, free end 131, fixture 21, casing
1101, accepting groove 132, work 211, free end
111, switch 133, bearing the 212, second guide part
112, the second guide part 134, bearing 213, groove
113, guide groove 135, ring flange 22, head capsule
114, buckle 14, motor 221, horizontal part
1141, fixture block 141, drive shaft 222, vertical portion
1142, spring 142, eccentric shaft the 223, first guide part
1143, spacer pin 15, eccentric part 23, output shaft
1144, alignment pin 151, outer ring 231, fixture
12, head capsule 152, inner ring 232, work head
121, horizontal part 16, shift fork 24, motor
122, vertical portion 161, sleeve pipe 241, drive shaft
123, the first guide part 162, forked portion 242, eccentric shaft
124, sliding sleeve 163, engagement wall 25, eccentric part
125, guide rail 17, hoop-tight organization 26, shift fork
126, draw-in groove 171, neck ring 261, sleeve pipe
262, forked portion 32, head capsule 342, collar
27, retaining mechanism 321, actuator 35, motor
271, cam spanner 3211, base portion 351, drive shaft
272, connecting rod 3212, external spiral portion 352, eccentric shaft
273, locking part 322, horizontal part 36, eccentric part
274, cam surface 323, vertical portion 361, clutch shaft bearing
275, pad the 324, first guide part the 362, second bearing
300, Multi Role Aircraft 325, resettlement section 37, shift fork
30, housing 326, pin 371, sleeve
31, casing 33, output shaft 372, forked portion
311, free end 331, fixture the 373, first engaged section
312, the second guide part 332, work the 374, second engaged section
313, snap ring 34, regulation cover 375, depressed part
314, accepting hole 341, internal coiling portion 38, elastic component
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention the present invention is described in further detail.
Detailed description of the invention one
Referring to Fig. 3 and Fig. 4, a kind of swing-type power tool, specifically a kind of Multi Role Aircraft 100, it has housing 10, shell
Body 10 include in lengthwise extend casing 11, be connected to casing 11 front end (with in Fig. 1 right side be defined as front end) head capsule 12 with
And the output shaft 13 extended in head capsule 12.Wherein, in casing 11, it is provided with motor 14, motor 14 laterally extends
The drive shaft 141 rotated.The outside of casing 11 is also equipped with switching 111, is used for controlling being switched on or off of motor 14.
Head capsule 12 include being connected with casing 11 and the horizontal part 121 of horizontally set and the end from horizontal part 121 substantially vertical downward
The vertical portion 122 extended.Output shaft 13 is arranged at vertical direction, and its one end is arranged in head capsule 12, and the other end is from head capsule 11
Downwardly extend in vertical portion 122, and rotation oscillating traverse motion, swing side can be done around the longitudinal axis X1 of self
To as shown in double-head arrow in Fig. 1.
It addition, in the inside of housing 10, be provided with the swing mechanism between drive shaft 14 and output shaft 13, swing mechanism
Including eccentric part 15 and the shift fork 16 that coordinates with eccentric part 15.Pass through swing mechanism, it is possible to the rotary motion of drive shaft 14 turned
It is changed to the rotation oscillating traverse motion of output shaft 13.When eccentric part 15 rotates under the drive of drive shaft 14, by with shift fork 16
Cooperation, drive output shaft 13 to rotate oscillating traverse motion around himself axis X 1, and pendulum angle be at about 0.5 to 7 degree
Between, hunting frequency scope may be configured as 5000 to 30000 times the most per minute.End at output shaft 13 can pass through fixture
131 installment works 132, working in present embodiment 132 is a kind of straight blade, and this work 132 is at the band of output shaft 13
Oscillating motion can be done along the double-head arrow direction in Fig. 1 under dynamic.
As shown in Figure 4 and Figure 5, the axis X 1 place straight line of output shaft 13 is defined as longitudinal direction, the side vertical with axis X 1
To being defined as laterally, under the bottom of paper is, the top of paper is upper.Description hereinafter all uses definition herein.The present invention
The head capsule 12 of Multi Role Aircraft 100 can operationally move relative to casing 11, drive shift fork 16 relative eccentric part 15 move and
Different positions coordinates, so that output shaft 13 exports different pendulum angles, drives work 132 at different pendulum angles
Lower swing moves, to realize different cutting efficiencies.
In present embodiment, between head capsule 12 and casing 11, it is provided with guiding mechanism, makes the relative casing 11 of head capsule 12 slide and set
Put.Output shaft 13 is rotatably arranged in head capsule 12, and shift fork 16 is fixedly installed on output shaft 13, the relative casing 11 of head capsule 12
During slip, shift fork 16 relative eccentric part 15 is driven to move, so that eccentric part 15 and shift fork 16 coordinate in different positions, finally
Output shaft 13 is made to export different pendulum angles.
Concrete, guiding mechanism includes the first guide part 123 being arranged on head capsule 12 and be arranged in casing 11 the
Two guide parts 112.First guide part 123 is hole shape, and the second guide part 112 is axis X 2 extension along drive shaft 141
Ring-shaped, the internal diameter of the first guide part 123 is more than the external diameter of the second guide part 112, so that the second guide part 112 can be received just
Hold in the first guide part 123, and relatively slide along the axis X 2 of drive shaft 141.
In present embodiment, head capsule 12 horizontal part 121 and vertical portion 122 are substantially vertical and the most generally cylindrical.Horizontal part
121 outsides being set in casing 11, including above-mentioned first guide part 123 that the sliding sleeve 124 being relatively large in diameter and diameter are less.Sliding sleeve
124 are disposed adjacent along the axis X 2 of drive shaft 141 with the first guide part 123, and sliding sleeve 124 is closer to eccentric part 15.Casing 11
The most generally cylindrical, its free end 110 external diameter is less than the internal diameter of sliding sleeve 124, thus lucky with head capsule 12 sheathed is connected.Casing
11 are extended with above-mentioned second guide part 112 from its free end 110 along the axis X 2 of drive shaft 141, and the second guide part 112 is in post
Shape, can be housed in the first guide part 123 of head capsule 12 just, and can slide by relative first guide part 123.
Output shaft 13 is longitudinally disposed, and upper and lower two ends are fixed in head capsule 12 by bearing 133,134 respectively.Output shaft 13 prolongs
The end stretching out head capsule 12 is formed with the ring flange 135 that diameter becomes big, and work 132 is arranged on ring flange by fixture 131
On 135.
One end of shift fork 16 is connected to the top of output shaft 13, and its other end matches with eccentric part 15.Shift fork 16 includes
The sleeve pipe 161 that is set on output shaft 13 and from sleeve pipe 161 side towards the forked portion 162 that drive shaft 14 is horizontal-extending.Drive
The end of axle 14 extends eccentric shaft 142, and the axis X 3 of eccentric shaft 142 is parallel to each other but misaligned with the axis X 2 of drive shaft 3,
And offset certain spacing.Eccentric part 15 is ball bearing, and it has outer ring 151 and inner ring 152, and wherein, outer ring 151 has ball
Shape outer surface, inner ring 152 is set on eccentric shaft 142.The forked portion 162 of shift fork 16 is generally U-shaped, has two and is oppositely arranged
Engagement wall 163.The two engagement wall 163 is coated on the both sides of the outer ring 151 of eccentric part 15, both closely sliding contacts.
After switch 111 Guan Bi, the drive shaft 141 of motor 14 starts to rotate, and drives eccentric part 142 to turn around axis X 2 is eccentric
Dynamic.By coordinating of the forked portion 162 of shift fork 16 and eccentric part 142 and outer ring 151, drive output shaft 13 around himself axis
X1 rotates reciprocally swinging.
During in order to prevent the relative casing 11 of head capsule 12 from sliding, both relatively rotate, namely head capsule 12 relative drive shaft occur
Relatively rotating occurs in the axis X 2 of 141, and is also provided with position-limit mechanism between head capsule 12 and casing 11.Position-limit mechanism includes mutually
Coordinating the guide rail 125 and guide groove 113 slided, in present embodiment, guide rail 125 is specifically located at the interior of the sliding sleeve 124 of head capsule 12
On wall, for the strip of horizontal expansion, guide rail 125 quantity is four, two one group, lays respectively at the two ends up and down of sliding sleeve 124.
Guide groove 113 is opened on the outer wall of free end 110 of casing 11, and near the second guide part 112.Guide groove 113 is similarly four,
And it is corresponding with guide rail 125 respectively.When head capsule 12 is connected with casing 11, guide rail 125 is housed in the guide groove 113 of correspondence respectively,
Effect that is spacing and that guide can be simultaneously worked as.
The Multi Role Aircraft 100 of the present invention also includes the retaining mechanism being arranged between head capsule 12 and casing 11, makes head capsule 12
Casing 11 relatively can be fixed at least two cooperation position, so that output shaft 13 exports the pendulum angle that at least two is different.
In present embodiment, retaining mechanism includes being separately positioned on the draw-in groove 126 in head capsule 12 and casing 11 and buckle 114, specifically,
The both sides of the sliding sleeve 124 of head capsule 12 offer two draw-in grooves 126 respectively, and the free end 110 of casing 11 is respectively provided on two sides with a card
Button 114.It is positioned at two draw-in grooves 126 of homonymy, is upwards spaced setting at groove, be defined as the first draw-in groove 1261 and the second draw-in groove successively
1262, the first draw-in groove 1261 apart from eccentric part 15 closer to.After head capsule 12 and casing 11 connect, move head capsule 12 relative to casing 11
Time, it is possible to make buckle 114 coordinate with the first draw-in groove 1261 and the second draw-in groove 1262 respectively, so that the relative casing 11 of head capsule 12 exists
Two cooperation positions are relatively fixed, and finally make the engagement wall 163 of shift fork 16 coordinate two different positions from eccentric part 15, with
Make output shaft 13 can export two different pendulum angles.
Refer to Fig. 6, for the ease of operation, in present embodiment, buckle 114 is set to elasticity.The free end of housing 11
The both sides of 110 offer accepting groove 1101 respectively, and two buckles 114 are housed in the accepting groove 1101 of correspondence respectively.Buckle 114 has
Body includes square fixture block 1141, supports the spring 1142 of fixture block 1141, the spacer pin 1143 that is arranged on fixture block 1141, and will
Spring 1142 is fixed on the alignment pin 1144 in accepting groove 1101.Spacer pin 1143 is held in accepting groove 1101, prevents fixture block
1141 are radially ejected by spring 1142.Radially pressing fixture block 1141, spring 1142 is compressed, and fixture block 1141 is radially absorbed in accepting groove
In 1101 so that buckle 114 selectively with the first draw-in groove 1261 and the second draw-in groove 1262 secure fit.
As shown in Figure 1 and Figure 5, Multi Role Aircraft 100 is when the first state, and head capsule 12 is joined at the first cooperation position with casing 11
Closing, output shaft 13 exports the first pendulum angle α 1.Now, the buckle 114 in casing 11 is held in the first draw-in groove of head capsule 12
In 1261, the distance of the meshing point of eccentric part 15 and shift fork 16 to output shaft 13 is D1.The second guide part 112 in casing 11 is received
Hold in the first guide part 123 on head capsule 12, guide the slip of the relative casing 11 of head capsule 12.
As shown in Figure 7 and Figure 8, after being pressed downward against in buckle 114 footpath, laterally urge head capsule 12, head capsule 12 and casing 11 are existed
First cooperation position disengages, and under the first guide part 123 and the second guide part 112 coordinate, smoothly slides into the second cooperation
Position, output shaft 13 exports the second pendulum angle α 2.Now, buckle 114 slides into the position of the second draw-in groove 1262, and elastic extensive
Multiple to its original state, it is held in the second draw-in groove 1262, makes the relative casing 11 of head capsule 12 be fixed on the second cooperation position.Shift fork
16 under the drive of head capsule 12, and relative eccentric part 15 slides into the second cooperation position, and now, eccentric part 15 engages with shift fork 16
Point is reduced to D2 to the distance of output shaft 13.Clearly as the meshing point of eccentric part 15 and shift fork 16 is to the distance of output shaft 13
It is reduced to D2 by D1, makes the pendulum angle of output shaft 13 be also increased to α 2 by α 1.
In the lump with reference to Fig. 9 and Figure 10, in order to ensure that head capsule 12 and casing 11 are when any position coordinates, it is possible to the most steady
Fixed, the most operationally occur due to vibrations rocking.The Multi Role Aircraft 100 of the present invention also includes hoop-tight organization 17, is set in head
On shell 12, head capsule 12 and casing 11 are stably coordinated at arbitrary cooperation position, occurs without loosening.This hoop-tight organization 17 specifically includes
It is positioned at the annular collar 171 of sliding sleeve 124 periphery of head capsule 12, and is connected to the locking member 172 of neck ring 171 end.During use,
Unclamp locking member 172, head capsule 12 can be moved at two cooperation positions relative to casing 11, treat that head capsule 12 and casing 11 are in arbitrary cooperation
After position is fixing, tightens locking member 172, thus head capsule 12 and casing 11 are closely linked into an integrated entity, it is to avoid during work
Loosening occurs in head capsule 12.
It may be noted that in present embodiment, head capsule and casing are fixed by buckle and card slot fit, buckle and the knot of draw-in groove
Structure is not limited to present embodiment.The cooperation of buckle and draw-in groove has been spacing fixation, and therefore, buckle may be provided at casing
On, and draw-in groove is arranged on head capsule；Buckle may be alternatively provided as elastic steel ball form, and draw-in groove is spherical recess the most accordingly.
In present embodiment, head capsule 12 and casing 11 realize relative movement by guiding mechanism, and by buckle 114 difference
With the cooperation of first draw-in groove the 1261, second draw-in groove 1262, two positions are fixed, and make shift fork 16 and eccentric part 15 join two positions
Close, finally make output shaft 13 export two different pendulum angles.Obviously, the swing-type power tool of the present invention, however it is not limited to head
Shell and casing are fixed at two cooperation positions, it is also possible to fix in any position allowing moving range, so that output shaft energy
Enough selectively export more different pendulum angle.Below in conjunction with Figure 11 to Figure 17, second embodiment of the present invention is entered
Row is briefly described.
Detailed description of the invention two
As illustrated in figures 11 and 13, the Multi Role Aircraft 200 of second embodiment of the invention, structure and the first embodiment
Multi Role Aircraft 100 is similar to.Multi Role Aircraft 200 includes that housing 20, housing 20 are specifically divided into casing 21 and the head capsule 22 of interconnection.
Contain output shaft 23 in head capsule 22, in casing 21, contain motor 24.Motor 24 has setting substantially vertical with output shaft 23
Drive shaft 241, during drive shaft 241 rotary motion, drive output rotational oscillating motion.The end of output shaft 23 extends head capsule
22, and by fixture 231, work 232 is installed, under the drive of output shaft 23, work 232 oscillating motion are to realize
Cutting function.
Head capsule 22 includes horizontal part 221 and the vertical portion 222 of substantially vertical setting, and the most generally cylindrical.Casing 21 is horizontal
To setting, including tubular free end 211.Guiding mechanism is installed between head capsule 22 and casing 21 equally, specifically includes and be arranged on
The first guide part 223 on head capsule 22 and the second guide part 212 being arranged in casing 21, the first guide part 223 is from head capsule 22
The further horizontal expansion of horizontal part 221 form, the second guide part 212 extends from the inner transverse of the free end 211 of casing 21
Forming, the first guide part 223 is set in the outside of the second guide part 212, and is oppositely oriented slip.
Drive shaft 241 end extends eccentric shaft 242, and eccentric shaft 242 is provided with eccentric part 25.Install on output shaft 23
There is the shift fork 26 coordinated with eccentric part 25, by coordinating of shift fork 26 and eccentric part 25, the rotation of drive shaft 241 is changed into defeated
The oscillating motion of shaft 23.Shift fork 26 includes the sleeve pipe 261 being connected on output shaft 23 and from sleeve pipe 261 side towards drive shaft
241 horizontal-extending forked portion 262, forked portion 262 is coated on the both sides of eccentric part 25.Output shaft 23 is fixedly installed on head capsule 22
In, shift fork 26 is fixedly installed on output shaft 23, and head capsule 22, when casing 21 moves, drives shift fork 26 relative eccentric part 25 to move
Dynamic, make eccentric part 25 coordinate in different positions from the forked portion 262 of shift fork 26, so that output shaft 23 finally exports different
Pendulum angle.
Being with the first embodiment difference, Multi Role Aircraft 200 includes the cunning making the relative casing 21 of head capsule 22 allow
Any position in dynamic region, makes the fixing retaining mechanism 27 of the relative casing of head capsule 22 21, so that output shaft 23 can export
Several different pendulum angle.Retaining mechanism 27 is provided with cam spanner 271, rotates cam spanner 271, it is possible to make head capsule 22 He
Casing 21 is relatively unclamped or locks, so that the relative casing 21 of head capsule 22 can relative movement or be relatively fixed.
Specifically, retaining mechanism 27 includes connecting rod 272 and is arranged on the locking part 273 on connecting rod 272 top.Connecting rod
272 longitudinally through the first guide part 222 and the second guide part 212, and cam spanner 271 is pivotably coupled to connecting rod 272
End.Offering groove 213 on the bottom inwall of the second guide part 212, locking part 273 is housed in groove 213.Head capsule 22 phase
When sliding casing 21, connecting rod 272 can slide laterally in groove 213.
As shown in Figure 13 and Figure 15, cam spanner 271 has cam surface 274, and connecting rod 272 is arranged with pad 275.Convex
When wheel spanner 271 pivots, cam surface 274 is resisted against on pad 275, and the high point on cam surface 274 and low spot respectively with pad
275 engagements, so that unclamping between the first guide part 223 and the second guide part 212 or locking.As shown in figure 13, now cam
Spanner 271 is in the close position, and head capsule 22 and casing 21 mechanism 17 that is locked is locked, can not between head capsule 22 and casing 21
Relatively slide.As shown in figure 14, now cam spanner 271 is in deployed position, relative with make position, has pivoted big counterclockwise
About 90 degree.When deployed position, head capsule 22 and casing 21 mechanism 17 that is locked unclamps, now can between head capsule 22 and casing 21
Relatively slide.
When needing the pendulum angle regulating output shaft 23, first cam spanner 271 is rotated to deployed position, then relative to machine
Shell 21 moves head capsule 22 to behind predetermined position, is rotated by cam spanner 271 to make position, relative for head capsule 22 casing 21 is consolidated
Fixed, make Multi Role Aircraft 200 work under the pendulum angle being adjusted to.
As shown in figures 11 and 16, now head capsule 22 and casing 21 are in the first cooperation position, now eccentric part 25 with dial
The meshing point of fork 26 is D3 to the distance of output shaft 23, and the pendulum angle of now output shaft 23 output is α 3.Such as Figure 14 and Figure 17
Shown in, now head capsule 22 and casing 21 are in the second cooperation position, and now eccentric part 25 and the meshing point of shift fork 26 are to output shaft
The distance of 23 is D4, and the pendulum angle of now output shaft 23 output is α 4.At the first guide part 223 and the second guide part 212
Under cooperation, the relative casing 21 of head capsule 22 is slid into the second selected cooperation position by the first cooperation position.Owing to D3 is more than D4, because of
The pendulum angle α 3 of this output shaft 23 is less than α 4, and output shaft 23 can drive work 232 to work under different pendulum angles,
To realize different cutting efficiencies.
It addition, the Multi Role Aircraft 300 of present embodiment is also provided with observable scale (not shown), energy on head capsule 22
After enough the instruction relative casing 21 of head capsule 22 is slided, the pendulum angle of output shaft 23 correspondence.By arranging this scale, it is convenient to adjust
Joint is to the pendulum angle wanted, it is possible to be adjusted pendulum angle more accurately.Obviously, this scale may also be arranged on casing 21
On.
In above-mentioned two embodiments, it is all manually to move head capsule, then by retaining mechanism, will be moved into precalculated position
Head capsule fix relative to casing, so that output shaft has variable pendulum angle.Third embodiment of the present invention discloses additionally
A kind of Multi Role Aircraft, it makes moving and fixing a step realization of head capsule, simplifies operating procedure, make operation more convenient.Tie below
Close Figure 18 to Figure 23, third embodiment of the invention is described in detail.
Detailed description of the invention three
As shown in Figure 18 and Figure 19, in present embodiment, the housing 30 of Multi Role Aircraft 300 includes casing 31 and head capsule 32.Defeated
The end of shaft 33 extends head capsule 32, and is provided with work 332 by fixture 331, under the drive of output shaft 33, and work
Make 332 oscillating motion to realize cutting function.The relative casing 31 of head capsule 32 is arranged un-rotatably, which is provided with actuator
321.Head capsule 32 periphery is arranged with the regulation cover 34 that can rotate relative to actuator 321, and regulation cover 34 is joined with actuator 321 spiral
Close.Rotate regulation cover 34, it is possible to by with the coordinating of actuator 321, drive head capsule 32 to move relative to casing 31, so that exporting
Axle 33 exports different pendulum angles.
As illustrated in figures 19 and 20, head capsule 32 includes horizontal part 322 and the vertical portion 323 of substantially vertical setting, casing 31
There is the free end 311 that the horizontal part 322 with head capsule 32 is connected.Guiding mechanism it is again provided with, tool between head capsule 32 and casing 31
Body includes the first guide part 324 that horizontal part 322 end from head capsule 32 extends and the free end 311 from casing 31 is internal prolongs
The second guide part 312 stretched, the first guide part 324 is set in the second guide part 312 periphery and can relatively slide.
Being provided with motor 35 in casing 31, motor 35 has the drive shaft 351 of horizontal expansion, and drive shaft 351 end connects
Have eccentric shaft 352, eccentric shaft 352 be provided with eccentric part 36, in present embodiment, eccentric part 36 be specially arranged side by side
One bearing 361 and the second bearing 362.Being provided with shift fork 37 on output shaft 33, shift fork 37 includes the set being set on output shaft 33
Cylinder 371 and forked portion 372 from sleeve 371 horizontal expansion, forked portion 372 has respectively with clutch shaft bearing 361 and the second axle
Hold the first engaged section 373 and the second engaged section 374 of 362 cooperations, and between the first engaged section 373 and the second engaged section
Depressed part 375.
First guide part 324 of head capsule 32 is in tubular, and its top and bottom are respectively equipped with the resettlement section 325 caved inward.
Actuator 321 is two, is fixed on by pin 326 respectively in the resettlement section 325 of correspondence.Actuator 321 is block, specifically includes
Rectangular base 3211 and the external spiral portion 3212 extended from base portion 3211.Regulation cover 34 is ring-type, is set in the first guide part 324
Around, its inwall is formed with the internal coiling portion 341 that the external spiral portion 3212 with actuator engages.Regulation cover 34 is near casing
One end of 31 is arranged with ring-type collar 342, and free end 311 inwall of casing 31 is protruding with circumferential clasp 313.Regulation cover 34 leads to
Spend coordinating of collar 342 and snap ring 313, be connected in casing 31, can rotate around the axis X 5 of drive shaft 351, but laterally
Upper immovable.
For making head capsule 32 tight all the time with the connection of casing 31, between head capsule 32 and casing 31, it is additionally provided with elastic component 38,
Elastic component 38 compression is arranged, and has all the time and makes head capsule 32 be directed away from the trend moved in the direction of casing 31.Specifically, casing 31
The end of the second guide part 312 offers four accepting holes 314, and elastic component 38 is similarly four.One end of elastic component 38 houses
In corresponding accepting hole 314, the other end is then resisted against on the inwall of head capsule 32.
Refer to Figure 18, Figure 21 to Figure 23, the Multi Role Aircraft 300 of present embodiment, head capsule 32 and casing 31 have two
Cooperation position, when different cooperation position, output shaft 33 can export different pendulum angles.As shown in Figure 18 and Figure 22, this
Time head capsule 32 and casing 31 be positioned at the first cooperation position, clutch shaft bearing 361 is corresponding with the depressed part 375 of shift fork 37, the second bearing
362 engage with the second engaged section 374 of shift fork 37, and the distance of meshing point to output shaft 33 is D5, the swing of output shaft 33 output
Angle is α 5.As shown in Figure 21 and Figure 23, now head capsule 32 and casing 31 are positioned at the second cooperation position, the second bearing 362 with dial
Second engaged section 374 of fork 37 is disengaged, and the second bearing 362 is corresponding with the depressed part 375 of shift fork 37, clutch shaft bearing 361 and
First engaged section 373 of shift fork 37 engages, and the distance of meshing point to output shaft 33 is D6, and the pendulum angle of output shaft 33 output is
α6.Owing to D5 is more than D6, therefore the pendulum angle α 5 of output shaft 23 is less than α 6, and output shaft 33 can drive work 332 not
Work, to realize different cutting efficiencies under same pendulum angle.
When needing the pendulum angle regulating output shaft 33, only need to rotate regulation cover 34, by regulation cover 34 and head capsule 32
The threaded engagement of actuator 321, and the guiding cooperation of the first guide part 324 and the second guide part 312, drive head capsule 32 along driving
The axis X 5 of moving axis 351 smoothly moves relative to casing 31, makes head capsule 32 and casing 31 coordinate at the first cooperation position and second
Change between position, so that output shaft 33 exports different pendulum angle α 5, α 6.
It may be noted that in present embodiment, head capsule is changed between two cooperation positions relative to casing, so that output shaft has
The output pendulum angle of level, the present invention is not limited to above-mentioned embodiment.Obviously, if only arranging an eccentric part, and will dial
Fork forked portion be slidably matched with eccentric part, then can infinitely regulate the head capsule displacement relative to casing, make output shaft without
Level ground output pendulum angle.
Claims (9)
1. a swing-type power tool, including:
Housing, including interconnective head capsule and casing；
Motor, is housed in described casing and has the drive shaft rotated；
Eccentric part, is arranged in described drive shaft, and around the eccentric axis rotation of described drive shaft；
Output shaft, is housed in described head capsule, it is possible to rotates oscillating traverse motion around himself axis, is used for installing and driving
Work head work；And
Shift fork, is connected on described output shaft, by with the coordinating of described eccentric part, the rotary motion of described drive shaft is changed
Rotation oscillating traverse motion for described output shaft；
It is characterized in that: described head capsule can operationally move relative to described casing, drive the most described bias of described shift fork
Part moves and coordinates in different position, makes the pendulum angle that the output of described output shaft is different, and described head capsule and described casing
Between be provided with position-limit mechanism, limit described head capsule and described casing relatively rotate.
2. swing-type power tool as claimed in claim 1, it is characterised in that: it is provided with guiding between described head capsule and described casing
Mechanism, makes the most described casing of described head capsule relatively to slide.
3. swing-type power tool as claimed in claim 2, it is characterised in that: one of described head capsule and described casing are provided with at least
One buckle, another be provided with at least two can respectively with the described draw-in groove being clasped, make described head capsule and described casing
It is relatively fixed at least two cooperation position.
4. swing-type power tool as claimed in claim 3, it is characterised in that: the outside of described head capsule or described casing is provided with
Avoid both that the hoop-tight organization loosened occurs when cooperation position.
5. swing-type power tool as claimed in claim 2, it is characterised in that: it is provided with locking between described head capsule and described casing
Mechanism, is made the most described casing of described head capsule when arbitrary sliding position coordinates, is locked by retaining mechanism.
6. swing-type power tool as claimed in claim 5, it is characterised in that: described retaining mechanism includes cam spanner, rotates
Described cam spanner, makes that described head capsule is relative with described casing to be unclamped or lock.
7. swing-type power tool as claimed in claim 5, it is characterised in that: one of described head capsule or described casing are provided with can
The scale observed, it is possible to after indicating the most described casing of described head capsule to slide, the pendulum angle that described output shaft is corresponding.
8. swing-type power tool as claimed in claim 1, it is characterised in that: described position-limit mechanism includes being arranged on described head capsule
With the guide groove in casing one of both, and the guide rail being arranged on another, described guide rail can be un-rotatably described
Slide in guide groove.
9. swing-type power tool as claimed in claim 1, it is characterised in that: the most described casing of described head capsule is un-rotatably
Arrange, described swing-type power tool includes the regulation cover that can rotate relative to the axis of described drive shaft, described head capsule be provided with and
The actuator of described regulation cover threaded engagement, rotates described regulation cover, by described regulation cover and the engaging of described actuator, energy
Described head capsule is enough driven to move along the axis of described drive shaft relative to described casing.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184651.1A CN103465230B (en) | 2012-06-06 | 2012-06-06 | Swing-type power tool |
| PCT/CN2013/000253 WO2013131412A1 (en) | 2012-03-09 | 2013-03-11 | Oscillating power tool |
| US14/383,856 US20150034353A1 (en) | 2012-03-09 | 2013-03-11 | Oscillating power tool |
| EP13758382.9A EP2823938A4 (en) | 2012-03-09 | 2013-03-11 | Oscillating power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184651.1A CN103465230B (en) | 2012-06-06 | 2012-06-06 | Swing-type power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103465230A CN103465230A (en) | 2013-12-25 |
| CN103465230B true CN103465230B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210184651.1A Active CN103465230B (en) | 2012-03-09 | 2012-06-06 | Swing-type power tool |
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| Country | Link |
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| CN (1) | CN103465230B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3049815A1 (en) * | 2017-01-10 | 2018-07-19 | Tti (Macao Commercial Offshore) Limited | Oscillating tool with multiple oscillating angles |
| CN109421030B (en) * | 2017-08-31 | 2022-12-06 | 苏州宝时得电动工具有限公司 | Working head, adapter and swing power tool with working head and adapter respectively |
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| US5533925A (en) * | 1993-02-05 | 1996-07-09 | Ryobi Limited | Structure of drive section of power tool |
| CN1623739A (en) * | 2003-12-01 | 2005-06-08 | 罗伯特·博施有限公司 | Hand-held machine tool |
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| CN201559183U (en) * | 2009-12-01 | 2010-08-25 | 苏州奔腾塑业有限公司 | Display device for rotating speed and rotating number of electric tool |
| CN102441873A (en) * | 2010-10-01 | 2012-05-09 | 苏州宝时得电动工具有限公司 | Swinging power tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5582337B2 (en) * | 2010-04-27 | 2014-09-03 | 日立工機株式会社 | Electric tool |
| CN102441874B (en) * | 2010-10-01 | 2015-12-02 | 苏州宝时得电动工具有限公司 | Swing-type power tool |
| JP5821476B2 (en) * | 2011-09-28 | 2015-11-24 | 日立工機株式会社 | Vibration tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5533925A (en) * | 1993-02-05 | 1996-07-09 | Ryobi Limited | Structure of drive section of power tool |
| CN1623739A (en) * | 2003-12-01 | 2005-06-08 | 罗伯特·博施有限公司 | Hand-held machine tool |
| CN201067900Y (en) * | 2007-07-14 | 2008-06-04 | 胡继宁 | Reciprocating power-driven tool |
| CN201353759Y (en) * | 2009-02-05 | 2009-12-02 | 苏州宝时得电动工具有限公司 | Power tool |
| CN201455951U (en) * | 2009-05-21 | 2010-05-12 | 陈寅 | Telescopic pipe of electric tool |
| CN201559183U (en) * | 2009-12-01 | 2010-08-25 | 苏州奔腾塑业有限公司 | Display device for rotating speed and rotating number of electric tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103465230A (en) | 2013-12-25 |
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Effective date of registration: 20200911 Address after: 215600 No.9, Haixin Road, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: POSITEC MACHINERY (ZHANGJIAGANG) Co.,Ltd. Address before: 215123 Jiangsu Province, Suzhou City Industrial Park East Road, No. 18 Patentee before: Positec Power Tools (Suzhou) Co.,Ltd. |
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