CN104985571B - Work head - Google Patents
Work head Download PDFInfo
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- CN104985571B CN104985571B CN201510402201.9A CN201510402201A CN104985571B CN 104985571 B CN104985571 B CN 104985571B CN 201510402201 A CN201510402201 A CN 201510402201A CN 104985571 B CN104985571 B CN 104985571B
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- installing hole
- work
- work head
- output shaft
- center
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a work head capable of being installed on an output shaft of a power tool. The work head is provided with an installation part matched with the output shaft. The installation part is provided with a center hole with the center and a matched face facing the output shaft. The installation part surrounds the center hole to form recessed parts from the matched face. The recessed parts are provided with bottom faces. An internal installation hole is formed in the portion, in the direction away from the matched face, of the installation part from the bottom faces. The internal installation hole and the recessed parts can be matched with output shafts of power tools of at least two different types respectively so as to improve the universality of the work head.
Description
The application is " work head " entitled filed in 31 days December in 2011 of applicant, Application No.
201110459567.1 Chinese invention patent application divisional application.
Technical field
The present invention relates to a kind of work head, more particularly to a kind of work for being fitted on the output shaft of power tool
Head.
Background technology
Multi Role Aircraft is the common hand-held swing-type power tool of industry, and its operation principle is that output shaft surrounds itself
Axial line does oscillating motion.Therefore, after user is provided with different work heads on the free end of output shaft, such as straight blade,
After saw blade, triangle frosted disk, spade-type scraper, it is possible to achieve various different operating functions, such as saw, cut, grind, scrape, with
Adapt to different work requirements.
The operation principle of Multi Role Aircraft is：In multi-purpose tool body built with motor driver, and driven by shift fork
The eccentric output shaft being installed in spherical bearing does oscillating movement, so as to drive operation element to do oscillating movement, realizes to be added
The processing of workpiece.Different operation elements has different special purposes, such as the saw blade of cutting, for the sand paper of polishing
Deng, wherein, saw blade is a kind of operation element being in daily use on multi-purpose tool.
At present, have the multi-purpose tool of several brands on market, such as Bosch, Dremel, Fein, Porter-Cable,
Worx, the multi-purpose tool of every kind of brand are equipped with the work head of respective brand, but the work head between various brands but can not
It is general, that is to say, that after user have purchased the multi-purpose tool of certain brand, to buy removable work if desired
Head, he can only buy the work head of this brand, and the work head of other brands cannot be installed on the multi-purpose tool which possesses.
Therefore, existing work head does not have good versatility, and this brings worry to user.
Therefore, it is necessary in fact to provide a kind of improved work head, to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of work head for being attached on power tool, the work head can with not
The output shaft of same type power tool is matched.
For achieving the above object, the technical solution adopted in the present invention is as follows：
A kind of work head, can be attached on the output shaft of power tool, and the work head is provided with and is coordinated with the output shaft
Installation portion, the installation portion is provided with the centre bore with center and the mating surface towards the output shaft, wherein, the installation
Portion is formed with depressed part from the mating surface around the centre bore, and the depressed part has a bottom surface, and the installation portion is from described
Bottom surface offers internal installing hole along the direction away from the mating surface, the internal installing hole and the depressed part can with extremely
Described in few two kinds of different types, the output shaft of power tool is respectively cooperating with.
Preferably, the output shaft is provided with the drive division coordinated with the installation portion, and the depressed part at least includes and institute
State the first side wall and second sidewall of drive division engagement, the depressed part is by matching somebody with somebody with the first side wall and second sidewall
Close, transfer a torque to the installation portion.
Preferably, the first side wall and second sidewall positioned at the regular polygon centered on the center of the centre bore or
On the side of regular polygon.
Preferably, the installation portion includes superimposed the first noumenon and the second body, and the first noumenon has support
The supporting surface of second body, the bottom surface of the depressed part are formed on the supporting surface of the first noumenon, first side
Wall and second sidewall are formed on second body.
Preferably, offer on the installation portion outside the internal installing hole and through the first noumenon and institute
The outside installing hole of the second body is stated, mesopore of the size more than the centre bore is offered in the middle part of second body, is located at
Described outside installing hole on second body connects the mesopore.
Preferably, the thickness range of the first noumenon and the second body is 0.5～1 millimeter.
Preferably, the thickness of the second body is 0.5～3 times of the thickness of the first noumenon.
Preferably, the internal installing hole include from the centre bore stretch out it is at least two raised.
Preferably, the installation portion includes outside installing hole, and the outside installing hole includes at least two perforates, and this etc. is opened
Pore size distribution is on the circumference with the center of the centre bore as the center of circle, and is radially positioned outside the internal installing hole.
Preferably, symmetric figure centered on the cross section of the perforate, with through the center and radially extending
Heart line.
Preferably, the perforate includes inner section and the outer portion part for radially setting gradually, and the inner section is compared described outer
Apart from the center farther out, on the direction of the centrage, the Breadth Maximum of the inner section is more than described for section
The Breadth Maximum of outer portion part.
Preferably, the cross section of the outer portion part is rectangle, and the cross section of the inner section is a circular part, described
Transverse width of the diameter dimension of inner section more than the outer portion part.
Preferably, the perforate of the outside installing hole described with of the projection of internal installing hole described at least one is connected.
Preferably, the circumference between the adjacent protrusion of the internal installing hole relative to the center is less than or equal to angle
120 degree, the circumference between the adjacent apertures of the outside installing hole relative to the center is less than or equal to 120 degree to angle
Preferably, the circumference between the adjacent protrusion of the internal installing hole relative to the center is 45 degree to angle,
Circumference between the adjacent apertures of the outside installing hole relative to the center is 30 degree to angle.
Preferably, the internal installing hole is raised with five, and the outside installing hole has nine perforates, the inside
Three projections at 90 degree of the interval of installing hole are diametrically overlapped with three perforates of the outside installing hole respectively
Preferably, the installation portion has an outward flange, and the installation portion is provided with from the outward flange insertion in described
The breach in heart hole.
Preferably, the center of the relatively described centre bore of the breach is in 60 angles.
The work head of the present invention is by arranging depressed part on its installation portion, and opens up internal installation in the bottom surface of depressed part
Hole, enables depressed part and internal installing hole be connected with the output shaft of different type power tool respectively, so as to substantially increase
The versatility of work head, reduces the worry that user changes variety classes work head, is more convenient user and uses.
Description of the drawings
The combination diagram that Fig. 1 is attached to after power tool for the head that works in first embodiment of the invention.
Fig. 2 is the schematic perspective view of work head shown in Fig. 1.
Fig. 3 is the back side schematic perspective view of work head shown in Fig. 2.
Fig. 4 is the front view of work head shown in Fig. 2.
Fig. 5 is the perspective exploded view of work head shown in Fig. 2.
Fig. 6 is the schematic perspective view of the output shaft of power tool shown in the first Fig. 1.
Fig. 7 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Fig. 6.
Fig. 8 is the schematic perspective view of the output shaft of power tool shown in second Fig. 1.
Fig. 9 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Fig. 8.
Figure 10 is the schematic perspective view of the output shaft of power tool shown in the third Fig. 1.
Figure 11 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Figure 10.
Figure 12 is the schematic perspective view of the 4th kind of output shaft of power tool shown in Fig. 1.
Figure 13 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Figure 12.
Figure 14 is the schematic perspective view of the 5th kind of output shaft of power tool shown in Fig. 1.
Figure 15 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Figure 14.
Figure 16 is the schematic perspective view of the 6th kind of output shaft of power tool shown in Fig. 1.
Figure 17 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Figure 16.
Figure 18 is the schematic perspective view of the 7th kind of output shaft of power tool shown in Fig. 1.
Figure 19 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Figure 18.
Figure 20 is the schematic perspective view of the 8th kind of output shaft of power tool shown in Fig. 1.
Figure 21 is work head shown in Fig. 2 and the schematic diagram after the cooperation of output shaft shown in Figure 20.
Figure 22 is the schematic diagram of other direction after work head shown in Fig. 2 and the cooperation of output shaft shown in Figure 20.
Front views of the Figure 23 for the head that works in second embodiment of the invention.
Figure 24 is the perspective exploded view of work head shown in Figure 23.
Schematic perspective views of the Figure 25 for the head that works in third embodiment of the invention.
Schematic perspective views of the Figure 26 for the head that works in four embodiment of the invention.
Related elements reference numeral in diagram is as follows：
100. work 18. second body, 332. projection
11. installation portion, 181. mesopore, 34. drive division
111. outward flange, 182. flank, 341. ring flange
112. breach, 183. recess, 342. projection
113. liang of 20. main frame of side, 35. drive divisions
114. mating surface, 200. Multi Role Aircraft, 351. ring flange
12. work department, 21. locking part, 352. protuberance
13. connecting portion, 211. bolt, 353. base portion
14. inside installing hole, 212. pressing plate, 354. spur
141. centre bore, 22. housing, 36. drive division
142. raised 23. output shaft, 361. ring flanges
143. center, 301. ring flange, 362. protuberance
144. sophisticated 302. projection, 363. spurs
15. outside installing hole, 303. center, 37. drive division
151. perforate, 304. center, 371. ring flange
152. centrage, 31. drive division, 373. mating edge
The work head of 153. inner section, 311. ring flange 500.
154. outer portion part, 312. projection, 51. installation portion
16. depressed part, 32. drive division, 52. the first noumenon
161. bottom surface, 321. ring flange, 520. centre bore
162. the first side wall, 322. projection, 521. inside installing hole
163. second sidewall, 33. drive division, 522. outside installing hole
17. the first noumenon, 331. ring flange, 53. second body
The work head of 531. 622. second body of outside installing hole 700.
600. work 623. inside installing hole, 71. work department
61. work department, 624. outside installing hole, 72. connecting portion
62. installation portion, 625. depressed part, 73. installation portion
621. the first noumenon, 626. centre bore
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
The present invention provides one kind and can be applicable to swing class power tool (such as Multi Role Aircraft) or rotary-type grinding power work
The work head having on (such as sander), this work head have installation portion, and its installation portion is provided with depressed part, and in depressed part
Internal installing hole is set on bottom surface.Depressed part and internal installing hole can be connected with different types of output shaft respectively, so that
The work head of the present invention can be installed at least two different types of output shafts of power tool, so as to substantially increase work
Make the versatility of head.
Refer to shown in Fig. 1 and Fig. 2, a kind of work 100 is disclosed in the first embodiment of the present invention, is installed on many
On function machine 200.In present embodiment, work a 100 specifically a kind of straight blade, it will be understood by those skilled in the art that holding very much
It is readily conceivable that, work 100 can also be other adnexaes, such as saw blade, emery disc, scraper etc..Above-mentioned Multi Role Aircraft 200 includes main frame
20 and for work 100 is fixed a locking part 21 on host 20.
The reciprocal swing torque of the exportable rotation of main frame 20, which is included in housing 22 shown partially and output shaft in figure
23.Output shaft 23 is longitudinally disposed at the inside of housing 22, and 22 certain distance of housing is extended in its end.Motor is provided with housing 22
(not shown) and the eccentric drive mechanism (not shown) being connected between the motor shaft of motor and output shaft 23, motor shaft passes through
Eccentric drive mechanism drives output shaft 23, and makes output shaft 23 around the axis X rotation oscillating traverse motion of its own.It is eccentric to pass
Motivation structure is applied to the common structure of swing-type power tool for industry, and in this not go into detail.
In present embodiment, when main frame 20 works, output shaft 23 is around its own axis X with per minute about 5000 to 30000
Secondary altofrequency rotation oscillating traverse motion, and the little pendulum angle being maintained between about 0.5 to 7 degree.
Locking part 21 is through work 100 and then is connected in output shaft 23, so as to work 100 is fixed on output shaft
On the drive division (not shown) of 23 ends.The pressing plate 212 that the locking part 21 includes bolt 211 and is set on bolt 211.This reality
Apply in mode, pressing plate 212 is an elastomeric pad, and is relatively fixed with bolt 211 and is connected, and be can not be split.After locking part 21 is tightened,
212 resilient abutment of pressing plate causes work in the case of can preventing due to reciprocal even impact type load in the side of work 100
Work 100 is released.
Referring to figs. 2 to Fig. 4, work 100 is arranged on the drive division of 23 end of output shaft, and which includes matching somebody with somebody with output shaft 23
Installation portion 11, the work department 12 parallel with installation portion 11 and the connecting portion between installation portion 11 and work department 12 13 for connecing.
The free end of work department 12 forms sawtooth, and the other end is then connected with connecting portion 13.Connecting portion 13 is inclined and is extended, and makes 11 He of installation portion
Work department 13 is located in two parallel planes.
In present embodiment, the installation portion 11 of work 100 specifically includes internal installing hole 14, centre bore 141 and outside
Installing hole 15, to connect with 23 different types of drive division of output shaft.Centre bore 141 is arranged on the central authorities of installation portion 14, and has
There is center 143, internal installing hole 14 includes from centre bore 141 some raised 142 for stretching out.
The side relative with work department 12 of installation portion 11 is formed with outward flange 111, further offers big on outward flange 111
Cause the breach 112 in " U " type.Breach 112 is just aligning the sawtooth to work department 12, and connects with centre bore 141, and which has relatively
Two sides 113 for arranging, the angle that two side 113 is formed is 60 degree, during so that installation portion 11 being coordinated with output shaft 23, side
113 can be engaged with the drive division of output shaft 23, with transmitting torque.Obviously, the angle of breach 112 is it can also be provided that remove 60
Other angles beyond degree.
142 uniform intervals of projection of internal installing hole 14 are arranged so that work 100 can multiple anglecs of rotation with it is defeated
Shaft 23 coordinates.In present embodiment, raised 142 are specially five, are evenly distributed on the portion beyond breach 112 on installation portion 11
Point, at intervals of 45 degree between adjacent protrusion 142.Wherein, three projections 142 at 90 degree of interval are passed through with outside installing hole 15 respectively
Logical, other two projections 142 then have circular arc tip 144.
Outside installing hole 15 includes some perforates 151, and the grade perforate 151 is distributed in the center 143 of centre bore 141 as circle
On the circumference of the heart, and it is uniformly arranged.In present embodiment, due to being provided with breach 112 on installation portion 11, therefore, it is outside to install
151 quantity of perforate in hole 15 is nine, and adjacent apertures 151 are spaced 30 degree.Each perforate 151 is respectively provided with through center 143
Longitudinal centre line 152,151 relative centrage 152 of perforate are symmetrical arranged.Perforate 151 includes the inner section 153 for radially setting gradually
With outer portion part 154, inner section 153 compares outer portion part 154, closer to center 143.In addition, the cross section of inner section 153 is square
Shape, the cross section of outer portion part 154 is a circular part.Inner section 153 in the width on the direction of centrage 152 is
D1, accordingly, outer portion part 154 is D2 in the width on the direction of centrage 152, and in present embodiment, D2 is more than D1,
So as to match with the different shape of output shaft 23.
Work 100 in present embodiment, except with the inside installing hole connected with different types of output shaft 23
14 and outside installing hole 15 outside, be additionally provided with depressed part 16, the medial wall of depressed part 16 forms specific shape, with respective class
The output shaft 23 of type is connected.
Installation portion 11 with the mating surface 114 perpendicular to axis X, depressed part 16 be axially downwardly recessed from mating surface 114 and
Into.Depressed part 16 is arranged around centre bore 141, and which has the bottom surface 161 parallel with mating surface 114 and perpendicular to bottom surface 161
Side wall.Obviously, the side wall of depressed part 16 can also be not orthogonal to bottom surface 161.In present embodiment, side wall is specifically divided into some groups,
Per group includes the first side wall 162 and second sidewall 163, and the first side wall 162 and second sidewall 163 are respectively positioned at center 143
Centered on just dodecagonal side on, 150 degree of angle is formed between the first side wall 162 and second sidewall 163.
As shown in figure 5, in present embodiment, the installation portion 11 of work 100 is by the first noumenon 17 and the second body 18
It is formed by stacking, and forms above-mentioned depressed part 16.Wherein, the bottom surface 161 of depressed part 16 is located on the first noumenon 17, depressed part 16
The first side wall 162 and second sidewall 163 are then formed on the second body 18.By carrying out split setting to installation portion 11, can
It is more convenient the processing of work 100, and while ensure that the integral thickness of installation portion 11 is less.In present embodiment, the
The thickness range of one body 17 and the second body 18 is 0.5～1 millimeter, wherein, the first noumenon 17 is preferably 0.8 millimeter, and second
The thickness of body 18 is preferably 0.6 millimeter, as long as ensureing that the thickness of the second body 18 is the 0.5～3 of the thickness of the first noumenon 17
Times.In addition, the installation portion of present invention work head is not limited to split and arranges, or be integrally formed.
The first noumenon 17 and the second body 18 are formed using tabular plate stamping, and are fixed by way of Pressure Welding
Together, can not be split.Can certainly be fixed together using other modes, such as riveting, bonding, bolt fixation etc..The
Centre bore 141, internal installing hole 14, outside installing hole 15 and breach 112 have been integrally formed on one body 17, wherein, it is internal
Installing hole 14 includes from centre bore 141 extending radially outwardly ground raised 142, and outside installing hole 15 includes being distributed in centre bore
141 center 143 is nine perforates 151 on the circumference in the center of circle, and is located at three projections 142 and perforate of " ten " word direction
151 are respectively communicated with.In addition, breach 112 and 141 insertion of centre bore, and there are two sides 113.
Second body 18 is substantially square, has been integrally formed outside installing hole 15 and breach 112 thereon.Second body 18
Middle part offers mesopore 181 of the size more than centre bore 141, and nine perforates 151 of outside installing hole 15 are connected with mesopore 181
It is logical, eight flanks 182 are then formed between adjacent apertures 151.Each flank 182 is each formed with above towards the side of mesopore 181
Described in depressed part 16 the first side wall 162 and second sidewall 163, the first side wall 162 and second sidewall 163 form 150 degree
Wedge angle.In addition, there are two flanks 182 relative with the projection 142 of internal installing hole 14, and it is respectively formed with the point with raised 142
The circular arc-shaped recess 183 of 144 matching of end.During processing, will be punching press good the first noumenon 17 and the second body 18 axially stacking, in making
The center 143 in heart hole 141 and the center alignment of mesopore 181, and make the outside installing hole on the first noumenon 17 and the second body 18
15 perforate 151 is alignd respectively, finally, both is welded together.
The structure and manufacturing process of above-detailed work 100, the work 100 of present embodiment is due to possessing
Said structure, so as to coordinating with polytype output shaft 23.With reference to Fig. 6 to Figure 20, work 100 is described respectively
Situation about coordinating with 23 different types of drive division of output shaft.
As shown in Figure 6 and Figure 7, the output shaft 23 of the first Multi Role Aircraft 200 has drive division 30, and the drive division 30 has
Ring flange 301 and from the axially extending some projections 302 of ring flange 301.301 section of ring flange is circle, and has center
303.Projection 302 has 12, and rectangular cross-section, with center 304.The center 304 of 12 projections 302 is uniformly distributed
On the circumference with center 303 as the center of circle, therefore, 30 degree are spaced between adjacent projection 302.
When work 100 is attached on output shaft 23, its outside installing hole 15 is coordinated with the drive division 30 of output shaft 23.Drive
The projection 302 in dynamic portion 30 is housed in the perforate 151 of outside installing hole 15 just, and is located substantially at the outer portion part of perforate 151
154.Now, by projection 302 and the cooperation of perforate 151, moment of torsion is stably transferred in work 100 by output shaft 23, from
And drive 100 reciprocally swinging of work to realize the actions such as cutting.In addition, work 100 can between 12 positions with it is defeated
30 rotatable engagement of drive division of shaft 23, to realize the work of multi-angle.
As shown in Figure 8 and Figure 9, the output shaft 23 of second Multi Role Aircraft 200 has drive division 31.Drive with shown in Fig. 6
30 structure of portion is similar, and drive division 31 has circular flange disk 311 and from 12 axially extending rectangle projections of ring flange 311
312.The difference is that only, the center distance of center to the ring flange 311 of projection 312 is less.Therefore, work 100 and drive
When dynamic portion 31 coordinates, projection 312 is located substantially in the inner section 153 of the perforate 151 of outside installing hole 15.Equally, work 100
31 rotatable engagement of drive division that can be 12 positions respectively with output shaft 23.
As shown in Figure 10 and Figure 11, the output shaft 23 of the third Multi Role Aircraft 200 has drive division 32.Drive with shown in Fig. 6
30 structure of dynamic portion is similar, and drive division 32 has circular flange disk 321 and from the axially extending some projections of ring flange 321 322.It is different
Part is only that projection 322 only has eight, and cross section is substantially oblong-shaped, and the center of projection 322 is in ring flange 311
In the heart away from less.One group two-by-two of the grade projection 322, adjacent sets are spaced between two projections 322 in 90 degree, and every group of projection 322
30 degree of interval.Obviously, 32 rotatable engagement of drive division that work 100 can be eight positions respectively with output shaft 23.Work 100
When coordinating with drive division 32, projection 322 be located substantially at the perforate 151 of outside installing hole 15 inner section 153 and outer portion part 154 it
Between.
As shown in Figure 12 and Figure 13, the output shaft 23 of the 4th kind of Multi Role Aircraft 200 has drive division 33.With shown in Figure 10
32 structure of drive division is similar, and drive division 33 has circular flange disk 331 and from the axially extending some projections of ring flange 331 332.No
It is only that with part, projection 332 is four, and cross section is generally circular.Obviously, work 100 can be in four position difference
With 33 rotatable engagement of drive division of output shaft 23.When work 100 is coordinated with drive division 33, projection 332 is located substantially at outside peace
Between the inner section 153 and outer portion part 154 of the perforate 151 in dress hole 15.
As shown in Figure 14 and Figure 15, the output shaft 23 of the 5th kind of Multi Role Aircraft 200 has drive division 34.With shown in Fig. 6
30 structure of drive division is similar, and drive division 34 has circular flange disk 341 and from the axially extending some projections 342 of ring flange 341.
Difference is that projection 342 is arranged at the back side of ring flange 341, and projection 342 is round table-like, when work 100 is installed,
Need to make work 100 be installed on output shaft 23 from the side of output shaft 23 by its breach 112.Obviously, work 100 can
In 12 positions, 34 rotatable engagement of drive division respectively with output shaft 23.When work 100 is coordinated with drive division 34, projection
In the inner section 153 of 342 perforates 151 for being located substantially at outside installing hole 15.As the section of inner section 153 is circular one
Point, therefore, the inner section 153 of projection 342 and perforate can be fitted close, so as to can stably transmitting torque.
As shown in Figure 16 and Figure 17, the output shaft 23 of the 6th kind of Multi Role Aircraft 200 has drive division 35.With aforementioned drive division
Difference, the drive division 35 include ring flange 351 and from the axially extending protuberance 352 in the middle part of ring flange 351.Protuberance
The 352 four circular arc spurs 354 for including cylindrical base 353 and extending radially outwardly from base portion 353, adjacent spur 354 it
Between interval 90 degree and continuously coupled.
When work 100 is coordinated with drive division 35, centre bore 141 is common with internal installing hole 14 and protuberance 352 coordinates.
Specifically, the base portion 353 of protuberance 352 is coordinated with centre bore 141, and the spur 354 of protuberance 352 extends respectively to internal installation
In the respective protrusions 142 in hole 14.By spur 354 and raised 142 cooperation, moment of torsion is transmitted by output shaft 23 by drive division 35
To work 100.As raised 142 quantity is five, therefore, work 100 can five positions respectively with output shaft 23
35 rotatable engagement of drive division.
As shown in Figure 18 and Figure 19, the output shaft 23 of the 7th kind of Multi Role Aircraft 200 has drive division 36.Drive with shown in Figure 16
35 structure of dynamic portion is similar, and the drive division 36 includes ring flange 361 and convex from axially extending four in the middle part of ring flange 351
Go out portion 352.It is separately provided between adjacent tabs 352, and is spaced 90 degree.The cross section of protuberance 362 is roughly triangular, its
Including the circular arc spur 363 for extending radially outwardly.When work 100 is coordinated with drive division 36, the spur 363 of protuberance 362
Extend respectively in the respective protrusions 142 of internal installing hole 14.By spur 363 and raised 142 cooperation, output shaft 23 passes through
Drive division 36 transfers a torque to work 100.Equally, the driving that work 100 can be five positions respectively with output shaft 23
36 rotatable engagement of portion.
As shown in Figure 20 to Figure 22, the output shaft 23 of the 8th kind of Multi Role Aircraft 200 has drive division 37.Drive division 37 includes
Ring flange 371 and protuberance 362 that is axially extending from ring flange 371 and going out, the cross section of protuberance 362 is regular hexagon, is had
There are six mating edges 373.After work 100 is attached to output shaft 23, the protuberance 362 of drive division 37 is housed in installation portion just
In 11 depressed part 16, the first side wall 162 or second sidewall 163 that the mating edge 373 of protuberance 362 can respectively with depressed part 16
It is respectively cooperating with.Therefore, 36 rotatable engagement of drive division that work 100 can be nine positions respectively with output shaft 23.
In present embodiment, work 100, can be with output shaft 23 by arranging internal installing hole 14 and outside installing hole 15
Different types of drive division coordinate, to extend the versatility of work 100.In addition, depression is further arranged in work 100
Portion 16, depressed part 16 can be coordinated with the correspondingly-shaped of the drive division of output shaft 23, so as to can further improve work 100
Versatility.Except arranging depressed part 16, the work head of the present invention can also otherwise, to further expand work head
Versatility.
It may be noted that the work head of the present invention is not limited to the concrete structure of above-mentioned first embodiment, work head can be with
Be not provided with breach, the interval angles between the adjacent protrusion of the inside installing hole of the head that works can also select 180 degree, 120 degree, 90
Degree, 72 degree, 60 degree, any one in 30 degree, preferably smaller than equal to 120 degree；Work head outside installing hole adjacent protrusion it
Between interval angles can also select 180 degree, 120 degree, 90 degree, 72 degree, 60 degree, any one in 45 degree, be preferably smaller than equal to
120 degree.Obviously, when working head structure changes, the drive division shape of its output shaft of power tool to connecting
Need respective change.
As shown in figure 23 and figure 24, it is second embodiment of the present invention, the work 500 of present embodiment and the first reality
100 structure of work for applying mode is essentially identical, and work 500 includes installation portion 51, and installation portion 51 is by the first noumenon 52 and the
Two bodies 53 are formed by stacking.Work in 52 structure of the first noumenon and first embodiment 100 17 structure of the first noumenon it is complete
It is identical, which is provided with centre bore 520, internal installing hole 521 and outside installing hole 522.Second body 53 is provided with outside installation
In hole 531, with first embodiment, 18 difference of the second body is that the cross section of outside installing hole 531 is generally rectangular shaped,
Its width radially is constant, is 2.1 millimeters.Using the work 500 of this kind of structure, with Figure 14 institutes in first embodiment
When the drive division 34 of the output shaft 23 of the 5th kind of Multi Role Aircraft 200 for showing coordinates, as the projection 342 of drive division 34 is round platform
Shape, during assembling, is installed with the outside of the outside installing hole 522 and the second body 53 of the first noumenon 52 on 342 axial direction of projection successively
Hole 531 coordinates, and as outside installing hole 531 is narrower relative to outside installing hole 522 with the width of 342 cooperation position of projection, makes
The 500 overall drive division 34 with the 5th kind of output shaft 23 of work coordinates tightr, more stable.
In above-mentioned first and second embodiment, disclosed work head is straight blade, but, the work head of the present invention
It is not limited to other adnexaes that straight blade, or those skilled in the art are readily conceivable that, such as saw blade, sand plate, scraper
Deng.With reference to Figure 25 and Figure 26, the 4th and the 5th embodiment of the present invention is introduced, respectively by taking saw blade and sand plate as an example.
As shown in figure 25, third embodiment of the present invention discloses a kind of work head that can be installed on Multi Role Aircraft
600, specifically a kind of saw blade.The work 600 substantially in sector, including the fan-shaped work department 61 that radian is 240 degree and
The installation portion 62 being connected in work department 61.The knot of the installation portion 11 of the work 100 in installation portion 62 and first embodiment
Structure is essentially identical, is equally formed by stacking by the first noumenon 621 and the second body 622, including can be defeated with different type Multi Role Aircraft
Inside installing hole 623, outside installing hole 624 and depressed part 625 that the drive division of shaft coordinates, will not be described here.
As shown in figure 26, the 4th embodiment of the invention discloses a kind of work head that can be installed on Multi Role Aircraft
700, specifically a kind of sand plate.The work 700 includes roughly triangular work department 71, the company in work department 71
Socket part 72, and the installation portion 73 being connected on connecting portion 72.Work department 71 is tabular, and connecting portion 72 matches somebody with somebody from work department 71
Conjunction is faced upwards and is extended vertically, installation portion 73 be similarly tabular and work in shape and first embodiment 100 installation portion
11 structures are identical, will not be described here.
It may be noted that the inside installing hole and outside installing hole set by the work head of the present invention, it can be provided through hole
Form, it is also possible to be arranged to the form of groove, as long as ensureing that internal installing hole and outside installing hole can be with corresponding power
The cross sectional shape of the drive division of the output shaft of instrument matches.
Claims (10)
1. a kind of work head, can be attached on the output shaft of power tool, and the work head is provided with and output shaft cooperation
Installation portion, the installation portion are provided with the centre bore with center and outward flange, it is characterised in that：It is additionally provided with the installation portion
Internal installing hole, outside installing hole, from the breach of centre bore described in the outward flange insertion, wherein the internal installing hole is from institute
State centre bore to stretch out；The outside installing hole includes some perforates being distributed on the circumference with the center as the center of circle；
The breach includes two sides being oppositely arranged, and two side is provided for being engaged with the output shaft in angle.
2. work head as claimed in claim 1, it is characterised in that：The center of the relatively described centre bore of the breach is in 60 folders
Angle.
3. work head as claimed in claim 1, it is characterised in that：The work head includes the work parallel with the installation portion
Portion, the breach is just to the work department.
4. work head as claimed in claim 1, it is characterised in that：The internal installing hole include from the center bore to
Some projections of outer extension, described some raised raised including first relative with the breach, some projections are also
Raised including two with first projection respectively in 90 degree of settings, some perforates include three positioned at " ten " word direction
Individual perforate, described two raised and described first projection are connected with three perforates respectively.
5. work head as claimed in claim 4, it is characterised in that：Some perforates include being symmetricly set on the breach two
Two perforates of side, and the center of first projection relative with the line at the center of each perforate in described two perforates
Line is arranged in 120 degree of angles.
6. work head as claimed in claim 4, it is characterised in that：Three in some perforates positioned at " ten " word direction open
At least one of hole is provided with two intervals with some perforates between an adjacent perforate of " ten " word direction
The perforate of setting, the circumference between described two spaced perforates relative to the center is 30 degree to angle.
7. work head as claimed in claim 1, it is characterised in that：Some perforates are 9, and relative between adjacent apertures
Circumference in the center is 30 degree to angle.
8. work head as claimed in claim 4, it is characterised in that：Three that " ten " word direction is located in some projections are convex
Rise and connect with three perforates in some perforates positioned at " ten " word direction.
9. a kind of work head, can be attached on the output shaft of power tool, and the work head is provided with and output shaft cooperation
Installation portion, the installation portion are provided with the centre bore with center and outward flange, it is characterised in that：It is additionally provided with the installation portion
Internal installing hole, outside installing hole, from the breach of centre bore described in the outward flange insertion, wherein the internal installing hole is from institute
State centre bore to stretch out；The outside installing hole includes some perforates being distributed on the circumference with the center as the center of circle；
The breach includes two sides being oppositely arranged, and two side forms angle.
10. work head as claimed in claim 1, it is characterised in that：The angle that two side is formed is 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402201.9A CN104985571B (en) | 2011-11-11 | 2011-12-31 | Work head |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110357394 | 2011-11-11 | ||
| CN2011103573942 | 2011-11-11 | ||
| CN201110459567.1A CN103101037B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510402201.9A CN104985571B (en) | 2011-11-11 | 2011-12-31 | Work head |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110459567.1A Division CN103101037B (en) | 2011-11-11 | 2011-12-31 | Working head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104985571A CN104985571A (en) | 2015-10-21 |
| CN104985571B true CN104985571B (en) | 2017-05-03 |
Family
ID=48309414
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510695692.0A Pending CN105234904A (en) | 2011-11-11 | 2011-12-31 | Work head |
| CN201510694407.3A Active CN105234906B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510688742.2A Pending CN105215949A (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201110459567.1A Active CN103101037B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510695003.6A Active CN105538240B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510690267.2A Active CN105234903B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510402201.9A Active CN104985571B (en) | 2011-11-11 | 2011-12-31 | Work head |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510695692.0A Pending CN105234904A (en) | 2011-11-11 | 2011-12-31 | Work head |
| CN201510694407.3A Active CN105234906B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510688742.2A Pending CN105215949A (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201110459567.1A Active CN103101037B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510695003.6A Active CN105538240B (en) | 2011-11-11 | 2011-12-31 | Working head |
| CN201510690267.2A Active CN105234903B (en) | 2011-11-11 | 2011-12-31 | Working head |
Country Status (1)
| Country | Link |
|---|---|
| CN (7) | CN105234904A (en) |
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| CN103786135A (en) * | 2013-12-21 | 2014-05-14 | 蔡吕乾 | Working head of pendulum-type power tool |
| CN104191419A (en) * | 2014-01-06 | 2014-12-10 | 蔡吕乾 | Rapid-mounting working head of multipurpose tool |
| CN103894988A (en) * | 2014-03-11 | 2014-07-02 | 蔡吕乾 | Quick-mounting working head for multipurpose tool |
| US10864616B2 (en) | 2014-05-15 | 2020-12-15 | Snap-On Incorporated | Ratchet mechanism for ratchet wrench |
| CN106695690B (en) * | 2015-07-15 | 2022-06-14 | 苏州宝时得电动工具有限公司 | Multifunctional machine and cleaning accessory thereof |
| CN106914864A (en) * | 2015-12-25 | 2017-07-04 | 苏州宝时得电动工具有限公司 | Work head |
| EP3439818B1 (en) * | 2016-04-08 | 2020-12-02 | Robert Bosch GmbH | Blade for oscillating tools having dual mounting configurations |
| CN105904414B (en) * | 2016-06-24 | 2018-09-07 | 扬州昇业机械有限公司 | A kind of Multifunctional rocking dynamic formula quick-loading tool head |
| USD931069S1 (en) | 2019-05-03 | 2021-09-21 | Tti (Macao Commercial Offshore) Limited | Blade |
| DE102019212302A1 (en) * | 2019-08-16 | 2021-02-18 | Robert Bosch Gmbh | Processing tool, in particular oscillation processing tool |
| CN110394498B (en) * | 2019-08-19 | 2024-07-19 | 海联锯业科技有限公司 | Combined multifunctional saw blade and manufacturing method thereof |
| USD953833S1 (en) | 2019-08-22 | 2022-06-07 | Milwaukee Electric Tool Corporation | Oscillating multi tool anchor |
| CN111660263B (en) * | 2020-03-24 | 2024-06-11 | 扬州昇业机械有限公司 | Multifunctional quick assembly mounting hole for swinging tool |
| CN113442097B (en) * | 2020-03-27 | 2022-07-12 | 苏州宝时得电动工具有限公司 | Working head and swing power tool |
| US11738398B2 (en) | 2020-11-18 | 2023-08-29 | Milwaukee Electric Tool Corporation | Accessory for an oscillating power tool |
| CN112959274A (en) * | 2021-01-28 | 2021-06-15 | 丹阳市剑庐工具有限公司 | Tool attachment capable of being driven by power tool and rotating around central axis to swing back and forth |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105538240A (en) | 2016-05-04 |
| CN105234906A (en) | 2016-01-13 |
| CN105538240B (en) | 2021-11-16 |
| CN105234906B (en) | 2021-09-07 |
| CN103101037A (en) | 2013-05-15 |
| CN105234903A (en) | 2016-01-13 |
| CN105234904A (en) | 2016-01-13 |
| CN104985571A (en) | 2015-10-21 |
| CN105234903B (en) | 2021-08-10 |
| CN103101037B (en) | 2015-11-25 |
| CN105215949A (en) | 2016-01-06 |
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