CN102814792A - Power tool, work head and adapter applied to same - Google Patents
Power tool, work head and adapter applied to same Download PDFInfo
- Publication number
- CN102814792A CN102814792A CN2011101536953A CN201110153695A CN102814792A CN 102814792 A CN102814792 A CN 102814792A CN 2011101536953 A CN2011101536953 A CN 2011101536953A CN 201110153695 A CN201110153695 A CN 201110153695A CN 102814792 A CN102814792 A CN 102814792A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- working head
- internal layer
- installing hole
- auxiliary section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a power tool, a work head and an adapter applied to the same. The power tool is provided with an output shaft used for mounting the work head and driving the work head to move, and at least one driving portion matched with the work head extends axially from the tail end of the output shaft. Each driving portion comprises at least two protrusions which comprise at least an outer layer protrusion and an inner layer protrusion, and the distance between the center of the outer layer protrusion and the axis of the output shaft is not equal to that between the center of the inner layer protrusion and the axis of the output shaft. larger torque can be transmitted because the driving portion of the output shaft of the power tool is provided with at least two layers of protrusions, the at least two layers of protrusions can share more fit clearance, and the transmission is more stable.
Description
Technical field
But the present invention relates to a kind of power tool of installment work head, specifically is the output shaft that can drive the cephalomotor power tool of above-mentioned work.
The invention still further relates to the working head of the output shaft that can be installed on above-mentioned power tool.
The present invention relates to two kinds of adapters in addition; A kind of is that the working head that the output shaft with above-mentioned power tool is not complementary is connected to above-mentioned power tool; Another kind is that above-mentioned working head is connected on the output shaft with its power tool that is not complementary, and the moment of torsion of power tool is passed to working head.
Background technology
Multi Role Aircraft is the swing class power tool of the common hand-held of industry, and its operation principle is that the axial line that output shaft centers on self is done oscillating motion, is installed in the terminal annex working head oscillating motion of output shaft thereby drive.Common annex working head comprises straight blade, saw blade, triangle frosted dish and shovel type scraper etc.Therefore, when the user is being equipped with different annex working heads on the output shaft after, can realize multiple different operation function, as sawing, cut, grind, scrape etc., to adapt to the different working demand.
Since Multi Role Aircraft has multiple working head detachable and that change each other, so how fast, dismantlement work head easily and safely, just become the problem that a preecedence requirement solves.To this, industry has been carried out active research, and several kinds of different interface schemes occurred.
Such as, United States Patent (USP) announces the 6th, 796, No. 888 and the 6th, 945, has disclosed a kind of interface scheme of Multi Role Aircraft installment work head No. 862.As shown in Figure 1, in above-mentioned two pieces of disclosed schemes of patent, working head 80 specifically is a kind of straight blade, and it is fixed on the output shaft 83 of multi-functional main frame 82 through securing member 81.Specifically be, offer star-shaped openings 84 on the working head 80, and connect continuously between the fillet with eight fillets.Accordingly, the end of output shaft 83 radially protrudes four the fillet types protruding 85 that are extended with.When working head 80 was mounted to output shaft 83, star-shaped openings 84 was set on the fillet type protruding 85 of output shaft 83 just.During 82 work of multi-functional main frame, output shaft 83 through protruding 85 with the cooperating of star-shaped openings 84, transfer a torque to working head 80, rotate reciprocally swingings thereby drive working head 80.
Yet; In the above-mentioned interface scheme; The convexity 85 of output shaft 83 is closer usually with the distance in the axle center of engaged section to the output shaft 83 of the star-shaped openings 84 of working head 80; Therefore output shaft 83 is restricted through the moment of torsion that convexity 85 is passed to working head 80, and bigger moment of torsion can not be provided, and has satisfied not the demand of client to the high pulling torque delivery applications.
In addition, disclosed in No. the 20080190259th, U.S.'s publication application other a kind of with the different other a kind of interface scheme of above-mentioned interface scheme.In this interface scheme, the terminal shaft of the output shaft 91 of multi-functional main frame 90 is to having protruded out some rectangular preiections 92, and the axle center that these convexities 92 are evenly distributed on output shaft 91 is on the circumference in the center of circle.Accordingly, offer on the straight blade 93 can with above-mentioned protruding 92 the coupling some rectangular apertures 94.It is after 90s that straight blade 93 is mounted to multi-functional main frame, and fixing through securing member 95, some protruding 92 of output shaft 91 is housed in respectively in the opening 94 of straight blade 93.During 90 work of multi-functional main frame, output shaft 91 cooperates through some rectangular preiections 92 and some rectangular apertures 94, transfer a torque to straight blade 93, thereby drive straight blade 93 rotates reciprocally swingings.
Though above-mentioned interface scheme has increased the distance in axle center of opening 94 to the output shaft 91 of straight blade 93; But rectangular preiection 92 general size of output shaft 91 are less; Also corresponding having reduced of distance with the engaged section of opening 94; Therefore the moment of torsion that finally provides still is restricted, and can not satisfy the demand of client to the high pulling torque delivery applications equally.
Therefore, be necessary to provide a kind of improved Multi Role Aircraft interface really, comprise power tool and be applied to the working head and the adapter of this power tool.
Summary of the invention
One of the object of the invention provides a kind of power tool, and the output shaft of this power tool can transmit bigger moment of torsion.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is following: a kind of power tool; Have the installment work of being used for head and drive the cephalomotor output shaft of said work, said output shaft terminal shaft is to being extended with the drive division that at least one and said working head connect; Wherein, said drive division comprises at least two convexities, and said convexity is divided into outer protruding and internal layer convexity at least, and the center of said outer convexity and said internal layer convexity is unequal to the distance in the axle center of said output shaft.
Preferably, the quantity of said drive division is at least two, and on the circumference of said output shaft, evenly distributes.
Preferably, said outer convexity and said internal layer convexity are upwards overlapped in the footpath of said output shaft at least.
Preferably, the line at the center of said outer convexity and said internal layer convexity is without the axial line of said output shaft.
Preferably, the protruding axial height of said outer convexity and said internal layer does not wait.
Second purpose of the present invention provides a kind of working head that is installed on above-mentioned power tool, can transmit bigger moment of torsion.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is following: a kind of working head; Can be installed on the output shaft of the invention described above power tool; This working head comprises the construction section that connects with said output shaft, offers the shape that the drive division with said output shaft connects on the said construction section and joins portion; Wherein, the said shape portion of joining comprises at least respectively and first auxiliary section and second auxiliary section of said outer convexity and said internal layer projection engages that the center of said first auxiliary section and second auxiliary section is unequal to the distance in the axle center of said output shaft.
Preferably, the said shape portion of joining has separate outer installing hole and internal layer installing hole, and said outer installing hole is said first auxiliary section, and said internal layer installing hole is said second auxiliary section.
Preferably, said outer installing hole and internal layer installing hole are upwards overlapped in the footpath of said output shaft at least.
Preferably, said construction section has outward flange, and said outer installing hole runs through said outward flange, and on said outward flange, forms breach.
Preferably, said construction section offers centre bore, and said internal layer installing hole runs through said centre bore, and is communicated with said centre bore.
Preferably, the said shape portion of joining has the single installing hole of accommodating said drive division, and said first auxiliary section and said second auxiliary section all are arranged on the said installing hole.
Preferably, the quantity that said shape is joined portion is at least two, and on the circumference of said output shaft, evenly distributes.
Preferably, the line at the center of said first auxiliary section and said second auxiliary section is without the axial line of said output shaft.
Preferably, the said shape portion of joining has three layers of separate installing hole, is respectively: outer installing hole, internal layer installing hole and be located at outer installing hole and the internal layer installing hole between the middle level installing hole.
The 3rd purpose of the present invention provides a kind of adapter, can working head provided by the present invention be mounted on the power tool that output shaft can not be directly connects with above-mentioned working head.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is following: a kind of adapter, be used for working head of the present invention is mounted to the output shaft of power tool, and said output shaft and said working head can not directly mate; Said adapter has first change-over terminal that connects with said output shaft and second change-over terminal that connects with said working head, and the terminal shaft of said second change-over terminal is to being extended with second switching part that at least one and said working head connect; Wherein, said second switching part comprises at least two outer protruding and internal layer convexities adjacent and interval is provided with, and the center of said outer convexity and said internal layer convexity is unequal to the distance in the axle center of said output shaft.
Preferably, the protruding quantity of said outer convexity and said internal layer is at least two respectively, and is evenly distributed on respectively on the circumference of said output shaft.
Preferably, said outer convexity and said internal layer convexity are upwards overlapped in the footpath of said output shaft at least.
Preferably, the line at the center of said outer convexity and said internal layer convexity is without the axial line of said output shaft.
Preferably, the protruding axial height of said outer convexity and said internal layer does not wait.
The 4th purpose of the present invention provides a kind of adapter, can the working head that can not be directly connects with the output shaft of power tool of the present invention be mounted on the power tool of the present invention.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is following: a kind of adapter, be used for working head is mounted to the output shaft of power tool of the present invention, and said working head and said output shaft can not directly mate; Said adapter has first change-over terminal that connects with said output shaft and second change-over terminal that connects with said working head, first switching part that the terminal shaft of said first change-over terminal connects to the drive division that is concaved with at least one and said output shaft; Wherein, said first switching part comprises respectively first auxiliary section and second auxiliary section with said outer convexity and said internal layer projection engages at least, and does not wait to the distance in the axle center of said output shaft at the center of said first auxiliary section and second auxiliary section.
Preferably, said first switching part has separate outer groove and internal layer groove, and said outer groove is said first auxiliary section, and said internal layer groove is said second auxiliary section.
Preferably, said outer groove and internal layer groove are upwards overlapped in the footpath of said output shaft at least.
Preferably, said first change-over terminal has outward flange, and said outer groove runs through said outward flange, and on said outward flange, forms breach.
Preferably, said adapter offers centre bore, and said internal layer groove runs through said centre bore, and is communicated with said centre bore.
Preferably, said first switching part has the single groove of accommodating said drive division, and said first auxiliary section and said second auxiliary section all are arranged on the said groove.
Preferably, the quantity of said first switching part is at least two, and evenly distributes along the circumference that with the axle center of said output shaft is the center of circle.
Preferably, the line at the center of said first auxiliary section and said second auxiliary section is without the axial line of said output shaft.
Compared with prior art; The invention has the beneficial effects as follows: the distance of shaft centers that is set to the output shaft of power tool through the output shaft end at power tool leaves the two-layer at least convexity that does not wait; Correspondingly; Two-layer installing hole is set on the construction section of corresponding working head, two-layer convexity or groove perhaps are set on corresponding adapter.Cooperate respectively with the two-layer at least installing hole of working head through output shaft or the terminal two-layer at least convexity of adapter; Because leaving, do not wait the protruding distance of shaft centers to output shaft of different layers; Thereby the length of the path of contact of extended working head and output shaft or adapter; The moment of torsion that makes output shaft or adapter be passed to working head increases greatly, and then improves the operating efficiency of working head; The second, two-layer at least convexity increases the contact point of output shaft and working head, thereby can share more fit clearance, makes that transmission is more stable, reliability is higher; The 3rd, the moment of torsion that the different layers convexity is transmitted is different, and the wearing and tearing that receive are corresponding also different, and after wherein one deck convexity cooperated inefficacy with working head, other layer convexity still can the normal delivery moment of torsion.
Description of drawings
Fig. 1 is the perspective exploded view of a kind of Multi Role Aircraft in the prior art.
Fig. 2 is the perspective exploded view of another kind of Multi Role Aircraft in the prior art.
Fig. 3 is the perspective exploded view of Multi Role Aircraft in the first embodiment of the invention.
Fig. 4 is the sketch map of Multi Role Aircraft main frame shown in Figure 3.
Fig. 5 is the sketch map of the working head of Multi Role Aircraft shown in Figure 3.
Fig. 6 is the structural representation after Multi Role Aircraft main frame shown in Figure 3 and working head cooperate.
Fig. 7 is the sketch map of multi-functional main frame in the second embodiment of the invention.
Fig. 8 is the sketch map of working head in the second embodiment of the invention.
Fig. 9 is the structural representation after multi-functional main frame shown in Figure 7 and working head shown in Figure 8 cooperate.
Figure 10 is the sketch map of working head in the third embodiment of the invention.
Figure 11 is the sketch map of working head in the four embodiment of the invention.
Figure 12 is the sketch map of working head in the fifth embodiment of the invention.
Figure 13 is the sketch map of working head in the sixth embodiment of the invention.
Figure 14 is the sketch map of working head in the seventh embodiment of the invention.
Figure 15 is the sketch map of working head in the eighth embodiment of the invention.
Figure 16 is the sketch map of working head in the nineth embodiment of the invention.
Figure 17 is the sketch map of working head in the tenth embodiment of the invention.
Figure 18 is the sketch map of working head in the eleventh embodiment of the invention.
Figure 19 is the structural representation of working head in the twelveth embodiment of the invention.
Figure 20 is the Facad structure sketch map of adapter in the twelveth embodiment of the invention.
Figure 21 is the structure sketch map of adapter shown in Figure 20.
Figure 22 is the structural representation of the output shaft of multi-functional main frame in the thirteenth embodiment of the invention.
Figure 23 is the Facad structure sketch map of adapter in the thirteenth embodiment of the invention.
Figure 24 is the structure sketch map of adapter shown in Figure 23.
Figure 25 is the structural representation of the output shaft of multi-functional main frame in the fourteenth embodiment of the invention.
Figure 26 is the axial front view of output shaft shown in Figure 25.
Figure 27 is the sketch map of working head in the fifteenth embodiment of the invention.
Wherein, the tabulation of related elements reference numeral is as follows:
100. Multi Role Aircraft 23. outer protruding 321. shapes are joined portion
10. protruding 322. outer installing holes of main frame 24. internal layers
101. housing 25. drive divisions 323. internal layer installing holes
102. output shaft 26. working heads 33. working heads
103. ring flange 27. construction sections 331. shapes are joined portion
104. bottom surface 271. shapes are joined portion's 332. outer installing holes
105. blind hole 272. first auxiliary sections 333. internal layer installing holes
106. drive division 273. second auxiliary sections 34. working heads
107. outer protruding 28. cut length, 341. shapes are joined portion
108. protruding 30. working heads, the 342. outer installing holes of internal layer
11. working head 301. construction sections 343. internal layer installing holes
111. construction section 302. centre bores 344. middle level installing holes
112. cut length 303. outward flanges 35. working heads
113. step section 304. outer installing hole 351. shapes are joined portion
114. centre bore 305. internal layer installing holes 352. outer installing holes
115. shape is joined portion's 306. shapes and is joined portion's 353. internal layer installing holes
116. outer installing hole 31. working heads 354. middle level installing holes
117. internal layer installing hole 311. construction sections 36. working heads
118. outward flange 312. centre bores 361. shapes are joined portion
12. locking part 313. shapes are joined portion's 362. outer installing holes
121. bolt 314. outer installing hole 363. internal layer installing holes
122. pressing plate 315. internal layer installing holes 37. working heads
20. main frame 316. middle level installing holes 371. shapes are joined portion
21. output shaft 32. working heads 372. outer installing holes
373. internal layer installing hole 415. second change-over terminal 60. output shafts
38. working head 416. second switching parts 61. ring flanges
381. shape is joined portion's 42. adapters, 62. drive divisions
382. outer installing hole 50. output shafts 63. are outer protruding
383. internal layer installing hole 501. ring flanges 64. internal layers are protruding
40. working head 502. drive divisions 65. inclined-planes
401. construction section 503. drive divisions 70. working heads
402. cut length 51. adapters 71. construction sections
403. installing hole 511. second change-over terminal 72. cutting parts
41. adapter 512. outer protruding 73. centre bores
411. protruding 74. shapes of first change-over terminal, 513. internal layers are joined portion
412. outer groove 514. first switching parts 75. outer installing holes
413. internal layer groove 515. first change-over terminal 76. internal layer installing holes
414. first switching part, 516. second switching parts, 77. notch parts
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain.
One of the object of the invention is to provide a kind of and can be applicable to oscillating-type power tool (like Multi Role Aircraft) or rotary-type grinding power tool (like sander), and new interface scheme stable, that high pulling torque transmits is provided.Through two-layer at least convexity being set in that the output shaft of power tool is terminal, and the center that makes two-layer convexity to the distance of shaft centers of above-mentioned output shaft from not waiting; Correspondingly; At least two auxiliary sections that the convexity of setting and above-mentioned output shaft connects respectively on corresponding working head or adapter; Thereby through the engagement protruding and auxiliary section; Make output shaft tightr, stable, can transmit the moment of torsion high simultaneously than the existing interface scheme with cooperating of working head or adapter.
See also shown in Figure 3ly, disclose a kind of swing power tool in first embodiment of the present invention, promptly Multi Role Aircraft 100.The working head 11 that this Multi Role Aircraft 1 comprises main frame 10, can be installed on the main frame 10 and driven by main frame 10, and working head 11 is fixed on the locking part 12 on the main frame 10.In this embodiment, working head 11 is a kind of straight blade, for a person skilled in the art, is easy to expect, working head 11 also can be other annex, like saw blade, emery disc, scraper etc.
The reciprocating moment of torsion of main frame 10 exportable rotations, it is included in housing shown in the part 101 and output shaft 102 among Fig. 3.Output shaft 102 vertically is arranged at the inside of housing 101, and its end extends housing 101 certain distances.Be provided with motor (not shown) in the housing 101 and be connected the motor shaft of motor and the eccentric drive mechanism (not shown) between the output shaft 102; Motor shaft drives output shaft 102 through eccentric drive mechanism, and makes the central axis X rotation oscillating traverse motion of output shaft 102 around himself.Eccentric drive mechanism is the common structure that industry is applied to swing power tool, gives unnecessary details no longer in detail at this.
In this embodiment, during main frame 10 work, make output shaft 102 rotate oscillating traverse motion with about 5000 to the 30000 times high-frequency of per minute, and be maintained at about the little pendulum angle between 0.5 to 7 degree around its central axis X.
Locking part 12 passes working head 11 and then is connected in the output shaft 102, thereby working head 11 is fixed on the end of output shaft 102.This locking part 12 comprises bolt 121 and is set in the pressing plate 122 on the bolt 121.In this embodiment, pressing plate 122 is an elastomeric pad, and is connected with bolt 121 relative fixed, can not be split.After locking part 12 was tightened, pressing plate 122 resilient abutment can prevent owing to back and forth even under the situation of impact type load causing working head 11 to get loose in 2 one sides of working head 11.
Can to have matching structure ground between working head 11 and the output shaft 102 and be connected in order to make, the end of output shaft 102 is typically provided with special shape.In this embodiment, the end of output shaft 102 is provided with the bigger ring flange of diameter 103.Ring flange 103 is circular, and it has the bottom surface 104 perpendicular to output shaft 102, and 104 center offers the blind hole 105 that runs through ring flange 103 and extend along the axial line of output shaft 102 from the bottom surface.After locking part 12 passes working head 11, be housed in the above-mentioned blind hole 105, thereby working head 11 is fixed on the output shaft 102.
Specifically with reference to figure 4, the axle center of output shaft 102 is C1, and outer protruding 107 center is C2, and the center of internal layer protruding 108 is C3.In this embodiment; Outer protruding 107 cross section roughly is arch; The cross section of internal layer protruding 108 is roughly triangular in shape, and both quantity are eight, and the axle center C1 that is evenly distributed on respectively with output shaft 102 is the center of circle; Radius is respectively on the circumference D1 and D2 of R1 and R2, and is 45 degree with the protruding angle between adjacent of layer.In addition, the certain angle that staggers between the two-layer convexity, the line between the adjacent protrusion center be the axial line X through output shaft 102, each outer protruding 106 and the internal layer protruding 107 that is adjacent between angle be 22.5 degree.
Can be found out that by Fig. 3 in this embodiment, outer protruding 107 is unequal with the axial height of internal layer protruding 108, outer protruding 107 are higher than internal layer protruding 108.Adopt this structure, can prevent that internal layer protruding 108 from interfering with the pressing plate of locking part 12 when mounted on the one hand, thereby guarantee that the whole axial height that back power tool 100 is installed is unlikely to too high; On the other hand, internal layer protruding 108 can play the support works head, and working head is only meshed with outer protruding 107.
For assurance main frame 10 sizes can not be too big, and can transmit enough big moment of torsion, in this embodiment, the scope of the radius R 1 of circumference D1 is 12～14 millimeters, and concrete value is 13.1 millimeters; The scope of the radius R 2 of circumference D2 is 11～13 millimeters, and concrete value is 11.9 millimeters.In addition, the center of outer convexity 107 and internal layer protruding 108 is 2～4 millimeters to the scope of the range difference between the axle center C1 of driving shaft 102, and concrete value is 2.5 millimeters; The scope of the centre-to-centre spacing between outer protruding 107 and the internal layer protruding 108 of each drive division 106 is 9～11 millimeters, and concrete value is 10 millimeters.
With reference to figure 3 to Fig. 5; Working head 11 is installed in the end of output shaft 102, and it comprises the construction section 111 that connects with output shaft 102, cut length 112, step section 113 construction section 111 and cut length between and the centre bore 114 that supply locking part 12 pass parallel with construction section 111.In order to connect with output shaft 102; Offer the shape that connects with the corresponding drive division 106 of output shaft 102 on the construction section 111 and join portion 115, shape join 115 in portion have with above-mentioned drive division 106 outer protruding 107 with internal layer protruding 108 first auxiliary section and second auxiliary section of engagement respectively.In this embodiment; Specifically being provided with as follows of construction section 111; Periphery at centre bore 114; Be provided with two-layer installing hole: outer installing hole 116 and internal layer installing hole 117, outer protruding 107 corresponding connecting of outer installing hole 116 and output shaft 102, internal layer convexity 108 corresponding the connecting of internal layer installing hole 117 and output shaft 102.Outer installing hole 116 is eight with internal layer installing hole 117 quantity, separate setting, and does not wait to the distance of the axle center C1 of output shaft 102 at corresponding center.Each outer installing hole 116 constitutes a shape with the internal layer installing hole that is adjacent 117 and joins portion 115, and its ectomesoderm installing hole 116 is first auxiliary section that above-mentioned shape is joined portion 115, and internal layer installing hole 117 is joined second auxiliary section of portion 115 for above-mentioned shape.
Because the construction section 111 of working head 11 connects with the ring flange 103 of output shaft 102; Therefore; The shape of working head 11 is joined portion 115 and is mated with the shape of the drive division 106 of output shaft 102, and outer installing hole 116 and internal layer installing hole 117 are corresponding with the size and the position of corresponding outer convexity 107 and internal layer protruding 108.Detailed description has been made in the shape and the position of the drive division 106 of output shaft 102 in the preamble, simple description is only done in the shape and the position of therefore joining portion 115 in the face of the shape of working head 11 down.
At first, the cross-sectional shape of outer installing hole 116 is arch, and size is slightly larger than outer protruding 107; The cross-sectional shape of internal layer installing hole is triangular in shape, and size is slightly larger than internal layer convexity 108, reduces fit clearance thereby the shape of assurance working head 11 is joined the drive division 106 of portion 115 and output shaft, cooperates tightr.The quantity of outer installing hole 116 (being equivalent to first auxiliary section) and internal layer installing hole 117 (being equivalent to second auxiliary section) is eight; And the axle center C1 that is evenly distributed on respectively with output shaft 102 is the center of circle; Radius is respectively on the circumference D1 and D2 of R1 and R2, and the angle between same layer installing hole is adjacent is 45 degree.In addition, each shape is joined 22.5 degree that stagger between outer installing hole 116 and the internal layer installing hole 117 of portion 115, and the line between both centers is the axial line X through output shaft 102.Of preamble, the scope of the radius R 1 of circumference D1 is 12～14 millimeters, and concrete value is 13.1 millimeters; The scope of the radius R 2 of circumference D2 is 11～13 millimeters, and concrete value is 11.9 millimeters.Radius by circumference D1 and D2 can learn that the center of outer installing hole 116 and internal layer installing hole 117 is 2～4 millimeters to the scope of the range difference between the axle center C1 of driving shaft 102, and concrete value is 2.5 millimeters; Each shape is joined the outer installing hole 116 of portion 115 and the scope of the centre-to-centre spacing between the internal layer installing hole 117 is 9～11 millimeters, and concrete value is 10 millimeters.
In addition, the construction section 111 of working head 11 has outward flange 118 with the relative end of sawtooth of cut length 112, has three outer installing holes 116 to run through this outward flange 118, and forms breach.Because part outer protruding 116 runs through outward flange 117; Can make the construction section 111 of same size; Outer protruding 116 center can be set to maximum to the distance of the axle center C1 of output shaft 102, thereby makes output shaft 102 also maximum through the moment of torsion that outer installing hole 116 is passed to working head 11.
In the above-mentioned embodiment; Outer protruding 107 of the drive division 106 of output shaft 102 roughly is arch; Internal layer protruding 108 is roughly triangular in shape; The shape of working head 11 is joined 115 in portion and is had the outer installing hole 116 and internal layer installing hole 117 that cooperates with drive division 106, and shape is consistent with internal layer protruding 108 with outer protruding 107 respectively.To those skilled in the art; Be readily appreciated that; Shape of cross section protruding and installing hole is not limited to arch and triangle; Also can be circular, oval, rectangle or trapezoidal in a kind of, and the shape of working head is joined portion 115 and also can be arranged to an independent installing hole, as long as this installing hole has respectively first auxiliary section and second auxiliary section that cooperates with internal layer protruding 108 with outer protruding 107 of drive division 106.Specifically please refer to like Fig. 7 to second embodiment of the invention shown in Figure 10, hereinafter will be described in detail.
As shown in Figure 7, in second embodiment, the main frame 20 of Multi Role Aircraft, its output shaft 21 is provided with ring flange 22 equally, and ring flange 22 terminal shafts are to being extended with some convexities.These convexities are divided into two-layer equally: outer convexity 23 and internal layer convexity 24, the axle center C4 that the center of two-layer convexity lays respectively at output shaft 21 is on the circumference in the center of circle.Each outer convexity 23 constitutes a drive division 25 with the internal layer that is adjacent protruding 24, is with the first embodiment difference, and the cross section of outer convexity 23 is circular, and the cross section of internal layer protruding 24 is oval.
Like Fig. 8 and shown in Figure 9, in second embodiment, has the working head 26 that is similarly straight blade.This working head 26 has construction section 27 that connects with output shaft 21 and the cut length 28 of extending from construction section one side, and construction section 27 has the shape that cooperates with the drive division 25 of output shaft 21 and joins portion 271.Be that with the difference of first embodiment it is independent installing holes that shape is joined portion 271, shape is joined portion 271 and is had first auxiliary section 272 and second auxiliary section of being located on this installing hole 273.When connecting with output shaft 21; First auxiliary section 272 and second auxiliary section 273 that shape is joined portion 271 respectively with drive division 25 outer protruding 23 with protruding 24 engagements of internal layer; Thereby assurance output shaft 21 can be joined cooperating of portion 271 with the shape of working head 11 through drive division 25, and required enough moments of torsion are passed to working head 11.
Of above-mentioned first, second embodiment, the new interface scheme of power tool of the present invention, through the drive division that is made up of two-layer at least convexity in output the tip of the axis setting, and does not wait to the distance in the axle center of output shaft at the center of two-layer convexity; And the shape that connects with above-mentioned drive division is set on corresponding working head joins portion, make the shape portion of joining have at least first auxiliary section and second auxiliary section with the two-layer projection engages of drive division.Thereby after making working head be mounted to output shaft, double-deck convexity can be shared more fit clearance, makes the cooperation of working head and output shaft tightr; Simultaneously, double-deck convexity can increase the length of line of action of working head and output shaft, thereby can transmit bigger moment of torsion, has guaranteed the stability that cooperates.
The output shaft that it may be noted that power tool of the present invention is not limited to the structure that above-mentioned embodiment limits.For a person skilled in the art, be easy to expect that each drive division of output shaft can have plural convexity.For example, drive division is by three protruding compositions, and the center of three convexities is all unequal to the distance in the axle center of output shaft, and state from outside to inside tapers off.Correspondingly, each shape portion of joining of the working head that connects with output shaft then have three respectively with above-mentioned three auxiliary sections that convexity cooperates respectively.Below in conjunction with Figure 10 to Figure 17, briefly set forth nine kinds of distortion situation of working head in the embodiment of the present invention three to 11.
Shown in figure 10, working head 30 has construction section 301 and is located at the centre bore 302 at construction section 301 middle parts in the 3rd embodiment.Construction section 301 has outward flange 303, on the peripheral circumferential of centre bore 302, is provided with two-layer installing hole: eight outer installing holes 304 and eight internal layer installing holes 305.Internal layer installing hole that each outer installing hole 304 is adjacent 305 is formed a shape and is joined portion 306, is used for the drive division of the output shaft of medium power instrument of the present invention matched.Be that with the aforementioned embodiments difference outer installing hole 304 is ellipse with internal layer installing hole 305, just differs in size.In addition, form the breach except three outer installing holes 304 run through outward flange 303, centre bore 302 is run through at internal layer installing hole 305 one at every intervals, and is communicated with centre bore 302.
Working head 31 and working head 30 structural similarities shown in Figure 10 in the 4th embodiment shown in Figure 11 have construction section 311 and centre bore 312.Difference is that its each shape is joined portion 313 and is made up of three installing holes: outer installing hole 314, internal layer installing hole 315 and the middle level installing hole 316 between outer installing hole 314 and internal layer installing hole 315.Outer installing hole 314 is similarly oval, and middle level installing hole 316 is an oval-shaped part with internal layer installing hole 315, and construction section is run through at eight internal layer installing hole 315 one at every intervals.
Working head 32 in the 5th embodiment shown in Figure 12 and working head 30 structural similarities shown in Figure 10, each shape is joined portion 321 and is made up of an outer installing hole 322 and an internal layer installing hole 323, difference is, internal layer installing hole 323 be shaped as triangle.
Working head 33 in the 6th embodiment shown in Figure 13 and working head 30 structural similarities shown in Figure 10, each shape is joined portion 331 and is made up of an outer installing hole 332 and an internal layer installing hole 333, difference is, outer installing hole 332 be shaped as triangle.
34 of working heads in the 7th embodiment shown in Figure 14 and working head 31 structural similarities shown in Figure 11, each shape is joined portion 341 and is had three layers of installing hole equally: outer installing hole 342, internal layer installing hole 343 and the middle level installing hole 344 between outer installing hole 342 and internal layer installing hole 343.Difference is, outer installing hole 342 be shaped as triangle.
Working head 35 in the 8th embodiment shown in Figure 15 and working head 34 structural similarities shown in Figure 14, each shape is joined portion 351 and is had three layers of installing hole equally: outer installing hole 352, internal layer installing hole 353 and the middle level installing hole 354 between outer installing hole 352 and internal layer installing hole 353.The shape of outer installing hole 352 also is a triangle, difference only be with the outer installing hole 342 of working head 34 towards on the contrary.
Working head 36 and working head 33 structural similarities shown in Figure 13 in the 9th embodiment shown in Figure 16; Each shape is joined portion 361 and is made up of an outer installing hole 362 and an internal layer installing hole 363; The shape of outer installing hole 352 also is a triangle, difference only be with the outer installing hole 332 of working head 33 towards on the contrary.
37 of working heads in the tenth embodiment shown in Figure 17 and working head 32 structural similarities shown in Figure 12, each shape is joined portion 371 and is made up of an outer installing hole 372 and an internal layer installing hole 373, difference is, outer installing hole 372 be shaped as triangle.
38 of working heads in the 11 embodiment shown in Figure 180 and working head 37 structural similarities shown in Figure 17; Each shape is joined portion 381 and is made up of an outer installing hole 382 and an internal layer installing hole 383; The shape of outer installing hole 382 also is a triangle, difference only be with the outer installing hole 372 of working head 37 towards on the contrary.
Describe the output shaft of power tool of the present invention and the working head of different structure in the preceding text in detail, and the shape of the drive division of supposition output shaft can with the shape portion of joining of working head coupling, can directly working head be mounted to output shaft.In the reality, often there is the situation that shape is not complementary in output shaft and the working head, an adapter just need be set between working head and output shaft in this case transmits moment of torsion.Below in conjunction with Figure 19 to Figure 24, the adapter in the present invention the 12 and 13 embodiments is described in detail.
Be readily appreciated that; The situation that output shaft and working head are not complementary has two kinds; A kind of is that the drive division of output shaft is the structure described in the first embodiment of the invention; At least have two-layer distance of shaft centers and leave the convexity that does not wait, and the shape portion of joining of working head is other shape to output shaft, can not be matched with the drive division of output shaft.Another kind of situation is that the shape portion of joining of working head is like the structure described in first embodiment, have the two-layer installing hole that does not wait to the axial line distance of output shaft at least, and the drive division of output shaft is other shape, can not connect with the shape portion of joining of working head.
To first kind of situation, the two-layer at least groove that adapter of the present invention can connect with the drive division of output shaft towards an end setting of output shaft then is provided with the switching part that can connect with the shape portion of joining of working head towards the other end of working head and gets final product.To second kind of situation, the two-layer at least convexity that adapter can connect with the shape portion of joining of working head towards an end setting of working head then is provided with the switching part that can connect with the drive division of output shaft towards the other end of output shaft and gets final product.
To shown in Figure 21, in the twelveth embodiment of the invention, the output shaft of power tool is the output shaft in first embodiment 102 in the preceding text like Figure 19, working head 40 then with first embodiment in working head 11 different.Working head 40 comprises construction section 401 and cut length 402, and its construction section 401 only has the positive dodecagon installing hole 403 that is opened in central authorities.Therefore, working head 40 can not directly be mounted to output shaft 102, needs to use adapter 41.It is circular that adapter 41 roughly is, and it has first change-over terminal 411 towards output shaft 102.First change-over terminal 411 is provided with some grooves: outer groove 412 and internal layer groove 413, and connect with internal layer protruding 108 with outer protruding 107 of output shaft 102 respectively.Each outer groove 412 forms one group with the internal layer groove that is adjacent 413, consists of one first switching part 414, therefore forms eight first switching parts 414 altogether, is complementary respectively with eight drive divisions 106 of output shaft 102.The shape and the structure of the drive division 106 of the output shaft 102 of first embodiment have been made detailed description in the preamble,, so given unnecessary details in this difference because the shape of first switching part 414 is consistent with structure with drive division 106.
On relative second change-over terminal 415 of adapter 41 and its first change-over terminal 411; Be extended with second switching part 416 from central shaft to giving prominence to; In this embodiment, second switching part 416 is six hollow side's boss, thereby can connect with the positive dodecagon installing hole 403 of working head 40.
Be appreciated that adapter of the present invention is not limited to said structure, as long as its first switching part has first auxiliary section that the outer convexity with output shaft connects and second auxiliary section that connects with the internal layer convexity.Therefore, first switching part also can be arranged to an independent groove, and first auxiliary section and second matching part are in this independent groove.In addition, second switching part of adapter also can be other shape, and what star as shown in Figure 1 was protruding and shown in Figure 2 one encloses rectangular preiection, thereby can the working head among Fig. 1, Fig. 2 be connected to the output shaft of power tool of the present invention through adapter of the present invention.
To shown in Figure 24, in the thirteenth embodiment of the invention, working head is the working head in first embodiment 11 in the preceding text like Figure 12, the output shaft 50 of power tool then with first embodiment in output shaft 102 different.Output shaft 50 comprises ring flange 501, and this ring flange 501 is extended with drive division 502 from terminal shaft to outstanding, is hollow six side's convex.Therefore, working head 11 can not directly be mounted to output shaft 50, needs to use adapter 42.It is circular that adapter 42 roughly is, and it has second change-over terminal 511 towards working head 11.Axially outstandingly on second change-over terminal 511 be extended with some convexities: outer protruding 512 is protruding 513 with internal layer, and connect with internal layer installing hole 117 with the outer installing hole 116 of working head 11 respectively.Each outer protruding 512 forms one group with the internal layer that is adjacent protruding 513, consists of one first switching part 514, therefore forms eight first switching parts 514 altogether, joins portion 115 with eight shapes of working head 11 and is complementary respectively.The shape and the structure of the drive division 106 of the output shaft 102 of first embodiment have been made detailed description in the preamble; Because the shape of first switching part 514 is identical with drive division 106 with structure, therefore repeat no more in this shape and position to first switching part 514.
On relative first change-over terminal 515 of adapter 51 and its second change-over terminal 511; From central shaft to being recessed to form second switching part 516; In this embodiment, second switching part 516 is positive six side's grooves, thereby can connect with positive six side's convex drive divisions 503 of output shaft 50.
Be appreciated that; Adapter of the present invention is not limited to said structure, when the structural change of working head, during like the shape of enforcement mode three in 11; The shape outer protruding and that internal layer is protruding of first switching part can correspondingly change, and also can comprise three or more protruding.In addition; Second switching part of adapter also can be other shape; A star-shaped groove as shown in Figure 1 and a circle rectangular recess shown in Figure 2, thus can working head of the present invention be connected on the output shaft of power tool illustrated in figures 1 and 2 through adapter of the present invention.
The quantity of the drive division of the output shaft of power tool of the present invention is not limited to eight described in the embodiment one, also can be other even number or odd number.Like Figure 25 and shown in Figure 26, in the 14 embodiment of the present invention, be that with the difference of embodiment one bottom of the ring flange 61 of output shaft 60 is evenly distributed with four drive divisions 62.Each drive division 62 comprises skin protruding 63 and internal layer convexity 64 equally, and the distance of shaft centers that output shaft 60 is arrived at two protruding centers is from unequal.In addition, the top of internal layer protruding 64 is provided with towards the inclined-plane 65 of the axle center of output shaft 60 inclination, can avoid interfering with the pressing plate 122 of locking part 12 as shown in Figure 3 equally, reduces the whole axial height of power tool.
In first embodiment of the present invention, installment work 11 o'clock need remove the bolt 121 of locking part 12 from output shaft 102.Shown in figure 27, the working head 70 in the fifteenth embodiment of the invention comprises construction section 71 and the cutting part 72 that extends from construction section 71 1 ends, and the middle part of construction section 72 is provided with centre bore 73.Be evenly distributed with some shapes around the centre bore 73 of construction section 71 and join portion 74, shape is joined portion 73 and is comprised outer installing hole 75 and internal layer installing hole 76 equally.Be that with the difference of working head 11 end of construction section 71 relative cutting parts 72 offers the notch part 77 that is communicated with centre bore 73.Because notch part 77 connects with centre bore 73; Therefore installment work is 70 o'clock, need not locking part 12 is disassembled from output shaft 102 fully, only needs from locking part 12 1 sides; Make the bolt 121 of notch part 77, thereby working head 70 is mounted on the output shaft 102 through locking part.
Set forth numerous embodiments of the present invention in the preceding text in detail, comprised the output shaft of power tool, corresponding working head, and with both one of be connected to the adapter with its output shaft that is not complementary or working head respectively.Understand easily, core concept of the present invention is that for output shaft, its drive division has two-layer at least convexity; For working head; The shape portion of joining of its construction section has respectively first auxiliary section and second auxiliary section with the two-layer projection engages of output shaft; Its shape portion of joining can be arranged to two independently installing holes; Also can be an independent installing hole, as long as have first auxiliary section and second auxiliary section simultaneously; For adapter; When being used for being mounted to the different working head on the output shaft of the present invention; The switching part that only need cooperate with the drive division of output shaft in the end setting that adapter and output shaft connect; Switching part can be two independently grooves, also can be an independent groove, as long as switching part can cooperate with the two-layer at least convexity of output shaft; When adapter was used for that working head of the present invention is mounted to the output shaft of different power tools, the end setting that only need adapter and working head be connected and the identical structure of drive division of output shaft of the present invention got final product.
Power tool of the present invention is through being provided with two-layer at least convexity, relative set first auxiliary section and second auxiliary section on working head on output shaft.Because leaving, do not wait the protruding distance of shaft centers to output shaft of different layers, thus the length of the path of contact of extended working head and output shaft or adapter, and the moment of torsion that makes output shaft or adapter be passed to working head increases greatly, and then improves the operating efficiency of working head.In addition, two-layer at least convexity can be shared more fit clearance, makes transmission more stable.
Claims (27)
1. power tool; Have the installment work of being used for head and drive the cephalomotor output shaft of said work; Said output shaft terminal shaft is to being extended with the drive division that at least one and said working head connect; It is characterized in that: said drive division comprises at least two outer protruding and internal layer convexities adjacent and interval is provided with, and the center of said outer convexity and said internal layer convexity is unequal to the distance in the axle center of said output shaft.
2. power tool according to claim 1 is characterized in that: the quantity of said drive division is at least two, and on the circumference of said output shaft, evenly distributes.
3. power tool according to claim 1 is characterized in that: said outer convexity and said internal layer convexity are upwards overlapped in the footpath of said output shaft at least.
4. power tool according to claim 1 is characterized in that: the line at the center that said outer convexity and said internal layer are protruding is without the axial line of said output shaft.
5. power tool according to claim 1 is characterized in that: the protruding axial height of said outer convexity and said internal layer does not wait.
6. working head; Can be installed on output shaft like arbitrary described power tool in the claim 1 to 5; This working head comprises the construction section that connects with said output shaft; Offer the shape that the drive division with said output shaft connects on the said construction section and join portion; It is characterized in that: the said shape portion of joining comprises at least respectively and first auxiliary section and second auxiliary section of said outer convexity and said internal layer projection engages that the center of said first auxiliary section and second auxiliary section is unequal to the distance in the axle center of said output shaft.
7. working head according to claim 6 is characterized in that: the said shape portion of joining has separate outer installing hole and internal layer installing hole, and said outer installing hole is said first auxiliary section, and said internal layer installing hole is said second auxiliary section.
8. working head according to claim 7 is characterized in that: said outer installing hole and said internal layer installing hole are upwards overlapped in the footpath of said output shaft at least.
9. working head according to claim 7 is characterized in that: said construction section has outward flange, and said outer installing hole runs through said outward flange, and on said outward flange, forms breach.
10. working head according to claim 7 is characterized in that: said construction section offers centre bore, and said internal layer installing hole runs through said centre bore, and is communicated with said centre bore.
11. working head according to claim 6 is characterized in that: the said shape portion of joining has the single installing hole of accommodating said drive division, and said first auxiliary section and said second auxiliary section all are arranged on the said installing hole.
12. working head according to claim 6 is characterized in that: the quantity that said shape is joined portion is at least two, and evenly distributes along the circumference of said output shaft.
13. working head according to claim 6 is characterized in that: the line at the center of said first auxiliary section and said second auxiliary section is without the axial line of said output shaft.
14. working head according to claim 6 is characterized in that: the said shape portion of joining has three layers of separate installing hole, is respectively: outer installing hole, internal layer installing hole and be located at outer installing hole and the internal layer installing hole between the middle level installing hole.
15. adapter; Be used for to be mounted to like the arbitrary said working head of claim 6 to 14 output shaft of power tool; Said output shaft and said working head can not directly mate; Said adapter has first change-over terminal that connects with said output shaft and second change-over terminal that connects with said working head; The terminal shaft of said second change-over terminal is characterized in that to being extended with second switching part that at least one and said working head connect: said second switching part comprise at least two adjacent and be provided with at interval outer protruding protruding with internal layer, it is unequal that the distance in axle center of said output shaft is arrived at the protruding center of said outer convexity and said internal layer.
16. adapter according to claim 15 is characterized in that: the quantity of said second switching part is at least two, and is evenly distributed on the circumference of said output shaft.
17. adapter according to claim 15 is characterized in that: said outer convexity and said internal layer convexity are upwards overlapped in the footpath of said output shaft at least.
18. adapter according to claim 15 is characterized in that: the line at the center that said outer convexity and said internal layer are protruding is without the axial line of said output shaft.
19. adapter according to claim 15 is characterized in that: the protruding axial height of said outer convexity and said internal layer does not wait.
20. adapter; Be used for working head is mounted to the output shaft like the arbitrary said power tool of claim 1 to 5; Said working head and said output shaft can not directly mate; Said adapter has first change-over terminal that connects with said output shaft and second change-over terminal that connects with said working head; First switching part that the terminal shaft of said first change-over terminal connects to the drive division that is concaved with at least one and said output shaft; It is characterized in that: said first switching part comprises respectively first auxiliary section and second auxiliary section with said outer convexity and said internal layer projection engages at least, and does not wait to the distance in the axle center of said output shaft at the center of said first auxiliary section and second auxiliary section.
21. adapter according to claim 20 is characterized in that: said first switching part has separate outer groove and internal layer groove, and said outer groove is said first auxiliary section, and said internal layer groove is said second auxiliary section.
22. adapter according to claim 21 is characterized in that: said outer groove and internal layer groove are upwards overlapped in the footpath of said output shaft at least.
23. adapter according to claim 21 is characterized in that: said first change-over terminal has outward flange, and said outer groove runs through said outward flange, and on said outward flange, forms breach.
24. adapter according to claim 21 is characterized in that: said adapter offers centre bore, and said internal layer groove runs through said centre bore, and is communicated with said centre bore.
25. adapter according to claim 20 is characterized in that: said first switching part has the single groove of accommodating said drive division, and said first auxiliary section and said second auxiliary section all are arranged on the said groove.
26. adapter according to claim 20 is characterized in that: the quantity of said first switching part is at least two, and evenly distributes along the circumference that with the axle center of said output shaft is the center of circle.
27. adapter according to claim 20 is characterized in that: the line at the center of said first auxiliary section and said second auxiliary section is without the axial line of said output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110153695.3A CN102814792B (en) | 2011-06-09 | 2011-06-09 | Power tool, work head and adapter applied to same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110153695.3A CN102814792B (en) | 2011-06-09 | 2011-06-09 | Power tool, work head and adapter applied to same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102814792A true CN102814792A (en) | 2012-12-12 |
| CN102814792B CN102814792B (en) | 2014-12-17 |
Family
ID=47299420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110153695.3A Active CN102814792B (en) | 2011-06-09 | 2011-06-09 | Power tool, work head and adapter applied to same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102814792B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213105A (en) * | 2013-03-26 | 2013-07-24 | 苏州伟泰克工具制造有限公司 | Cutting disc for hand-held electric tool machine |
| CN105382770A (en) * | 2015-12-08 | 2016-03-09 | 扬州昇业机械有限公司 | Oscillating type switch box tool head |
| CN109421030A (en) * | 2017-08-31 | 2019-03-05 | 苏州宝时得电动工具有限公司 | Work head, adapter and the swing-type power tool for setting work head, adapter respectively |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804048A (en) * | 1983-02-04 | 1989-02-14 | Skil Corporation | Hand-held tool with shaft lock |
| CN1898062A (en) * | 2003-12-20 | 2007-01-17 | 罗伯特·博世有限公司 | Tool adapter |
| US20070060029A1 (en) * | 2003-12-20 | 2007-03-15 | Ernst Kraenzler | Insertion tool for an angle grinder |
| CN1933941A (en) * | 2003-12-20 | 2007-03-21 | 罗伯特·博世有限公司 | Insertion tool for a machine tool |
| CN201313276Y (en) * | 2008-12-04 | 2009-09-23 | 朱爱国 | Cutter mounting structure of building material equipment |
| CN201419340Y (en) * | 2006-09-12 | 2010-03-10 | 布莱克和戴克公司 | Electric tool |
-
2011
- 2011-06-09 CN CN201110153695.3A patent/CN102814792B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804048A (en) * | 1983-02-04 | 1989-02-14 | Skil Corporation | Hand-held tool with shaft lock |
| CN1898062A (en) * | 2003-12-20 | 2007-01-17 | 罗伯特·博世有限公司 | Tool adapter |
| US20070060029A1 (en) * | 2003-12-20 | 2007-03-15 | Ernst Kraenzler | Insertion tool for an angle grinder |
| CN1933941A (en) * | 2003-12-20 | 2007-03-21 | 罗伯特·博世有限公司 | Insertion tool for a machine tool |
| CN201419340Y (en) * | 2006-09-12 | 2010-03-10 | 布莱克和戴克公司 | Electric tool |
| CN201313276Y (en) * | 2008-12-04 | 2009-09-23 | 朱爱国 | Cutter mounting structure of building material equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213105A (en) * | 2013-03-26 | 2013-07-24 | 苏州伟泰克工具制造有限公司 | Cutting disc for hand-held electric tool machine |
| CN105382770A (en) * | 2015-12-08 | 2016-03-09 | 扬州昇业机械有限公司 | Oscillating type switch box tool head |
| CN109421030A (en) * | 2017-08-31 | 2019-03-05 | 苏州宝时得电动工具有限公司 | Work head, adapter and the swing-type power tool for setting work head, adapter respectively |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102814792B (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103101037B (en) | Working head | |
| CN102189535B (en) | Adapter for a motor-driven machine tool with tool to be rotatably driven | |
| CN102259328B (en) | Adapter for adapting working component to shaft end of power tool | |
| CN101535128B (en) | Multiple drive-path transmission with torque-splitting differential mechanism | |
| CN201711949U (en) | Adapter for adapting operation elements to shaft ends of power tools | |
| US9309926B2 (en) | Coupling | |
| CN202622741U (en) | Accessory attached on attaching part of vibrating multi-purpose tool | |
| CN102814792A (en) | Power tool, work head and adapter applied to same | |
| CN201702760U (en) | Multifunctional machine and adapter thereof | |
| WO2013067960A1 (en) | Work head | |
| CN102554881B (en) | Multi Role Aircraft and adapter thereof | |
| CN102814793A (en) | Power tool and working head and adaptor applied to power tool | |
| WO2019042361A1 (en) | Working head, adapter and swinging power tool with either of working head and adapter | |
| CN102814796A (en) | Power tool and working head and adaptor applied to power tool | |
| CN103101038B (en) | Work head | |
| CN102814790A (en) | Power tool and working head and adaptor applied to power tool | |
| CN102922493B (en) | Working head and for the power tool of installing this working head and adapter | |
| CN102814791B (en) | Working head | |
| CN103302640B (en) | Multi Role Aircraft | |
| CN203185304U (en) | Accessory for being attached to oscillating type multifunctional tool attaching part | |
| CN205058324U (en) | Pulley for multi -wire saw | |
| CN105328649A (en) | Working accessory and power tool | |
| CN103029106A (en) | Multifunctional machine | |
| CN103029107B (en) | Centering element | |
| CN101941201A (en) | Power tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |