CN104708606B - Multi-purpose tool and quick change construction thereof - Google Patents
Multi-purpose tool and quick change construction thereof Download PDFInfo
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- CN104708606B CN104708606B CN201510120755.XA CN201510120755A CN104708606B CN 104708606 B CN104708606 B CN 104708606B CN 201510120755 A CN201510120755 A CN 201510120755A CN 104708606 B CN104708606 B CN 104708606B
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- output shaft
- quick change
- collet
- briquetting
- change construction
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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
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Gripping On Spindles (AREA)
- Clamps And Clips (AREA)
Abstract
The invention belongs to electric tool technical field in machinery industry, be specifically related to a kind ofly to cut, multi-purpose tool and the quick change construction thereof of the various operations such as sand milling, comprise output shaft assembly, in output shaft assembly, being provided with can axially movable collet, in collet, be provided with lock shaft, described lock shaft drives its axially-movable in collet by elastic parts, thereby realizes collet spreading with closed. Traditional replacing method is that the screw on saw blade and triangle emery disc is unloaded completely, then puts triangle emery disc or saw blade, then tightens screw with die nut, not only changes efficiency not high, and die nut easily loses, and after losing, just cannot change. The present invention does not need, with the fixing saw blade of a screw, to control sliding axially of output shaft assembly and lock shaft assembly by the knob of rotary machine head, unclamps or clamps saw blade thereby control, and realizes quick-replaceable function.
Description
Technical field
The invention belongs to electric tool technical field in machinery industry, be specifically related to that one can be cut, sandMulti-purpose tool and the quick change construction thereof of the various operations such as mill.
Background technology
Multi-purpose tool can clamping woodworking saw blade, metal saw blade and triangle emery disc etc. Clamping woodworking saw blade or goldBelonging to saw blade can carry out cutting processing on the metal material such as plank or aluminium alloy, and triangle emery disc is stained with sand paper canOn plank, plasterboard or metope, carry out sand milling, polishing.
Saw blade and triangle emery disc are arranged on the output shaft of multi-purpose tool, on the output end face of output shaft, have byThe small boss of circumference uniform distribution, small boss, for the location of saw blade and triangle emery disc, also has screwed hole on output shaft,Just can fix saw blade and triangle emery disc with the die nut screw of screwing on.
While changing saw blade and triangle emery disc, need unload screw completely, use again hexagonal after putting triangle emery disc or saw bladeSpanner is tightened screw. Therefore change triangle emery disc and saw blade efficiency is not high, and die nut easily loses, loseJust cannot change afterwards.
Summary of the invention
The technical problem to be solved in the present invention is: for multi-purpose tool in prior art is changed saw blade efficiency notHigh technical problem, the invention provides one does not need to be screwed saw blade, fast changeable, clampingThe quick change construction of saw blade and instrument thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of quick change construction of multi-purpose tool,Comprise output shaft assembly, in output shaft assembly, being provided with can axially movable collet, in collet, establishesBe equipped with lock shaft, described lock shaft drives its axially-movable in collet by elastic parts, therebyRealize collet spreading with closed. Traditional replacing method is by complete the screw on saw blade and triangle emery discUnload, then put triangle emery disc or saw blade, then tighten screw with die nut, not only change efficiency not high,And die nut easily loses, after losing, just cannot change. The present invention does not need with the fixing saw blade of a screw,Control sliding axially of output shaft assembly and lock shaft assembly by the knob of rotary machine head, thereby comeControl is unclamped or is clamped saw blade, realizes quick-replaceable function.
Further, for the ease of structural design of the present invention, collet and elastic parts can only be doneAxial slip, and can not do axial rotation, do following improvement: described output shaft assembly comprises oneThe main output shaft of body structure and auxiliary output shaft, the upper portion of auxiliary output shaft in the lower end of main output shaft, underHalf external diameter is greater than the internal diameter of main output shaft, and the internal diameter of main output shaft is unanimous between the higher and lower levels, on the inwall of main output shaftAlso offer symmetrical longitudinal straight trough.
That collet can be realized the concrete structure of clamping is as follows: described collet has integrative-structureAnnulus card and the elastic claw that is arranged on annulus card below, annulus card is consistent with the internal diameter of elastic claw, andAll match with the outside diameter d of lock shaft, the outer ring of annulus card is symmetrically arranged with annulus chimb, annulus chimbCan in longitudinal straight trough, slide up and down, the bottom of elastic claw has elastic claw round platform rank, elastic claw round platform rankExternal diameter is slightly less than the internal diameter of auxiliary output shaft, is positioned at the outside of auxiliary output shaft.
Described elastic claw is made up of the circular arc body of two shape symmetries, and outline is column, its outlineExternal diameter is slightly less than the internal diameter of auxiliary output shaft, and the upper surface of two circular arc bodies and annulus card lower surface are one knotStructure, the interval between two circular arc bodies forms two vertical slots. The internal diameter of above-mentioned elastic claw, external diameter be all its notSoftened state, i.e. contraction state.
The structure that elastic parts of the present invention is selected is as follows:
Comprise the fixing back-up ring, collet back-moving spring, the lock shaft back-moving spring that are arranged in main output shaftAnd circlip for hole, described fixing back-up ring is positioned at the top of circlip for hole and is arranged on lock shaftUpper end, annulus card is positioned at the below of circlip for hole, and described collet back-moving spring is sleeved on lockOn mandrel, two ends respectively with the upper surface of annulus card and the lower surface plane contact of fixing back-up ring, describedLock shaft back-moving spring is sleeved in the axis hole of main output shaft, and two ends are used with fixing back-up ring lower surface and hole respectivelyThe upper surface plane contact of circlip.
Described elastic parts also comprises and in main output shaft, is provided with briquetting, and briquetting top is provided with cam and revolvesButton, described knob is fixed by screws on cam, briquetting by knob and cam pressing at fixing back-up ringOn. Described cam has two spiral conical surfaces, its any spiral conical surface Rotate 180 ° can with another spiral shellRevolve the conical surface and overlap, the bottom of the spiral conical surface has the circular arc Ka Tai of indent, and described briquetting comprises integrative-structureBriquetting annulus, two briquetting boss and briquetting chimb, described briquetting boss is symmetricly set on briquetting annulusOn upper surface, the upper surface of briquetting boss is circular-arc and matches with circular arc Ka Tai, and briquetting chimb symmetry is establishedPut in the outer ring of briquetting annulus and can be longitudinally sliding up and down in straight trough, press the lower surface of described briquetting annulusOn the upper surface of back-up ring.
For lock shaft is clamped, located, on output shaft assembly, be also provided with collet clamp assembly.
Clamp assembly is further improved to: in the Lower Half of auxiliary output shaft, offer at least two holes for clamping, instituteThe holes for clamping of stating is symmetrical arranged, the elastic clip that the axis of holes for clamping and the axis of auxiliary output shaft are perpendicular, describedHead clamping assembly comprises back-moving spring, reseting sleeve and is sleeved on auxiliary output shaft for blocking the fixing of holes for clampingCover, described reseting sleeve is arranged in holes for clamping, and back-moving spring is arranged in reseting sleeve.
As preferably, holes for clamping is two, and the longitudinal center line of holes for clamping axis and two vertical slots formsPlane A is perpendicular.
For the ease of the replacing of saw blade with fixing, lock shaft bottom down successively integrative-structure be provided with taper seatWith lock shaft round platform rank, the external diameter of taper seat increases progressively from top to bottom, and the external diameter on lock shaft round platform rank is slightly larger than circleThe maximum outside diameter of the conical surface.
The quick change construction of multi-purpose tool also comprises saw blade, offers and auxiliary output shaft internal diameter on one end of saw bladeConsistent installing hole and some locating holes, described locating hole is circumferentially distributed on outside installing hole, and described is auxiliary defeatedOn shaft lower surface, there are some boss that match with locating hole.
Further, for the ease of fixing of circlip for hole, in described main output shaft, offer circlip groove,Described circlip for hole is fixed in circlip groove.
Further, described collet back-moving spring, lock shaft back-moving spring and back-moving spring are stage clip.
Further, described fixing back-up ring is fixed on lock shaft by spring washer and nut.
Further, for the ease of installing, described output shaft assembly is also provided with upper bearing (metal) and lower bearing.
Further, in order to locate fixed cover, on auxiliary output shaft, be also provided with the axle-steel for fixed cover locationSilk back-up ring, is affixed on the lower end of fixed cover.
The multi-purpose tool that quick change construction described above is installed, comprises casing, in casing, is provided withPower part and mechanical transmission component, described mechanical transmission component comprises quick change construction and shift fork, describedShift fork is sleeved on main output shaft, and described shift fork is connected with power part.
The invention has the beneficial effects as follows, multi-purpose tool of the present invention and quick change construction thereof, with prior art phaseRatio, has cancelled lock-screw and die nut, uses collet locking saw blade, and compact conformation, behaviourDo simply, to pull the just installation and removal of saw blade easily of knob, obviously increase work efficiency.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the perspective view of the saw blade releasing orientation of the quick change construction of multi-purpose tool of the present invention.
Fig. 2 is the perspective view of the saw blade clamped condition of the quick change construction of multi-purpose tool of the present invention.
Fig. 3 is the structural representation of the releasing orientation of multi-purpose tool of the present invention.
Fig. 4 is the structural representation of the clamped condition of multi-purpose tool of the present invention.
Fig. 5 is the A-A profile in Fig. 4.
Fig. 6 is the B-B profile in Fig. 4.
Fig. 7 is that output shaft and the circlip for hole stereochemical structure of the quick change construction of multi-purpose tool of the present invention shownMeaning.
Fig. 8 is the schematic diagram of plane A.
In figure: 1, auxiliary output shaft, 2, knob, 3, upper bearing (metal), 4, briquetting, 5, cam, 6, screw,7, nut, 8, spring washer, 9, fixing back-up ring, 11, lock shaft reset bullet, 10, lock shaft, 12,Shift fork, 13, collet back-moving spring, 14, main output shaft, 15, circlip for hole, 16, elasticityChuck, 18, lower bearing, 19, fixed cover, 21, axle-steel silk back-up ring, 22, saw blade, 23, taper seat,24, boss, 25, back-moving spring, 26, reseting sleeve, 27, holes for clamping, 29, longitudinal straight trough, 32, circleRing chimb, 35, installing hole, 36, locating hole, 37, elastic claw round platform rank, 38, lock shaft round platform rank,39, circlip groove, 40, vertical slot, 41, briquetting annulus, 42, briquetting boss, 43, briquetting chimb, 45,Elastic claw, 46, annulus card, 50, casing, 51, the spiral conical surface, 52, circular arc Ka Tai.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation. These accompanying drawings are the schematic diagram of simplification,Basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Fig. 1-8, be the optimum embodiment of the present invention, the quick change construction output shaft assembly of multi-purpose toolInside being provided with can axially movable collet 16, is provided with lock shaft 10, lock shaft in collet 1610 drive it in the interior axially-movable of collet 16 by elastic parts, thereby realize collet 16 spreadingsWith closure.
Detailed structure is described as follows:
Output shaft assembly comprises main output shaft 14 and the auxiliary output shaft 1 of integrative-structure, first of auxiliary output shaft 1Portion is positioned at the lower end of main output shaft 14, and the internal diameter that Lower Half external diameter is greater than main output shaft 14 (does not exceed masterThe external diameter of output shaft 14, if be greater than external diameter, upper bearing (metal) and lower bearing and fixed cover cannot be installed to masterOn output shaft), the internal diameter of main output shaft 14 is unanimous between the higher and lower levels, also offers symmetry on the inwall of main output shaft 14Longitudinal straight trough 29, output shaft assembly is also provided with upper bearing (metal) 3 and lower bearing 18.
Collet 16 has the annulus card 46 of integrative-structure and is arranged on the bullet of annulus card 46 belowsProperty pawl 45, annulus card 46 is consistent with the internal diameter of elastic claw 45, and all matches with the outside diameter d of lock shaft 10Close, the outer ring of annulus card 46 is symmetrically arranged with annulus chimb 32, and annulus chimb 32 can be at longitudinal straight trough 29Inside slide up and down, the bottom of elastic claw 45 has elastic claw round platform rank 37, the external diameter on elastic claw round platform rank 37The internal diameter (so for the ease of the internal diameter that is slightly less than auxiliary output shaft 1 is installed) that is slightly less than auxiliary output shaft 1, is positioned atThe outside of auxiliary output shaft 1. Elastic claw 45 is made up of the circular arc body of two shape symmetries, and outline is column,The external diameter of its outline is slightly less than the internal diameter of auxiliary output shaft 1, and this degree being less than is can make elastic claw 45 riseOpen or strut certain angle and be as the criterion, the upper surface of two circular arc bodies and annulus card 46 lower surfaces are integrative-structure,Interval between two circular arc bodies forms two vertical slots 40.
Elastic parts comprise the fixing back-up ring 9 that is arranged in main output shaft 14, collet back-moving spring 13,The circlip for hole 15 of lock shaft back-moving spring 11 and ring-type, main output shaft 14 inner rings offer circlip groove39, circlip for hole 15 is fixed in circlip groove 39, and part evagination is in circlip groove 39 outsides, fixed stopCircle 9 is fixed on lock shaft 10 by spring washer 8 and nut 7, and annulus card 46 is positioned at hole elasticityThe below of back-up ring 15, collet back-moving spring 13 is sleeved on lock shaft 10, two ends respectively with annulus cardThe lower surface plane contact of the upper surface of sheet 46 and fixing back-up ring 9, lock shaft back-moving spring 11 is sleeved on masterIn the axis hole of output shaft 14, two ends respectively with the upper end of fixing back-up ring 9 lower surfaces and circlip for hole 15Facial plane contact.
Elastic parts also comprises in main output shaft 14 and is provided with briquetting 4, and briquetting 4 tops are provided with cam 5 HesKnob 2, knob 2 is fixed on cam 5 by screw 6, and briquetting 4 is pressed on by knob 2 and cam 5On fixing back-up ring 9.
Cam 5 has two spiral conical surfaces 51, its any the spiral conical surface 51 Rotate 180s ° can with anotherThe spiral conical surface 51 overlaps, and the bottom of the spiral conical surface 51 has the circular arc card platform 52 of indent, and briquetting 4 comprises oneThe briquetting annulus 41 of body structure, two briquetting boss 42 and briquetting chimbs 43, described briquetting boss 42 symmetriesBe arranged on the upper surface of briquetting annulus 41, the upper surface of briquetting boss 42 be circular-arc and with circular arc Ka Tai52 match, briquetting chimb 43 be symmetricly set on briquetting annulus 41 outer ring and can be on longitudinal straight trough 29 be interiorLower slider, the lower surface of briquetting annulus 41 is pressed on the upper surface of back-up ring 9.
On output shaft assembly, be also provided with collet clamp assembly. In the Lower Half of auxiliary output shaft 1, offerAt least two holes for clamping 27, holes for clamping 27 is symmetrical arranged, the axle of the axis of holes for clamping 27 and auxiliary output shaft 1Line is perpendicular, and collet clamp assembly comprises back-moving spring 25, reseting sleeve 26 and is sleeved on auxiliary output shaft 1Upper for blocking the fixed cover 19 of holes for clamping 27, on auxiliary output shaft 1, be also provided with for fixed cover 19 and locateAxle-steel silk back-up ring 21, be affixed on the lower end of fixed cover 19. Reseting sleeve 26 is arranged in holes for clamping 27, multiplePosition spring 25 is arranged in reseting sleeve 26. In the time that holes for clamping 27 is two, make by the thrust of back-moving springObtain the both sides that reseting sleeve 26 withstands on elastic claw 45, clamp lock shafts 10 thereby compress elastic claw 45, also can establishBe set to multiple holes for clamping 27, be arranged symmetrically with as required.
Lock shaft 10 bottoms down successively integrative-structure be provided with taper seat 23 and lock shaft round platform rank 38, circleThe external diameter of the conical surface 23 increases progressively from top to bottom, and the external diameter on lock shaft round platform rank 38 is slightly larger than the maximum of taper seat 23External diameter.
Also comprise saw blade 22, on one end of saw blade 22, offer the installing hole consistent with auxiliary output shaft 1 internal diameter35 and some locating holes 36, locating hole is circumferentially distributed on outside installing hole 35, tool on auxiliary output shaft 1 lower surfaceThere are some boss 24 that match with locating hole 36.
Collet back-moving spring 13, lock shaft back-moving spring 11 and back-moving spring 25 are stage clip.
A multi-purpose tool for the quick change construction of the present embodiment is installed, is comprised casing 50, the interior setting of casing 50Dynamic parts and mechanical transmission component, described mechanical transmission component comprises quick change construction and shift fork 12, instituteThe shift fork 12 of stating is sleeved on main output shaft 14, and described shift fork 12 is connected with power part.
The situation of the function that the present embodiment is realized is as follows:
Knob 2 is rotated counterclockwise on earth, and cam 5 rotates under the drive of knob 2 simultaneously, on cam 5Two symmetrical spiral conical surfaces 51 are pushed two briquetting boss 42 on briquetting 4, and promote briquetting 4 and move axially,Briquetting 4 promotes lock shaft assembly and outwards moves, and collet back-moving spring 13 promotes collet 16 simultaneouslyOutwards mobile, the elastic claw 45 of collet 16 is inside under the effect of back-moving spring 25 and reseting sleeve 26Shrink, collet 16, in contraction state, can unload or load onto saw blade;
During in contraction state, the locating hole 36 of saw blade 22 is sleeved on to auxiliary output shaft 1 at collet 16On the boss 24 of lower surface, knob dextrorotation on earth, two symmetrical spiral conical surfaces 51 on cam 5Separate with two briquetting boss 42, lock shaft assembly moves inward under the effect of lock shaft back-moving spring 11Reset, elastic claw 45 is in the acting in conjunction of the taper seat 23 of collet back-moving spring 13 and lock shaft 10Lower outside spreading, after elastic claw 45 spreadings, collet 16 is on the lock shaft round platform rank 38 of lock shaft 10Promotion under move inward, the circular hole 35 on saw blade 22 is pushed down on the elastic claw round platform rank 37 on collet 16Edge, thereby locking saw blade 22.
Taking above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, related workPersonnel can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must be according to claim scopeDetermine its technical scope.
Claims (17)
1. a quick change construction for multi-purpose tool, is characterized in that: comprise output shaft assembly, output shaft groupIn part, being provided with can axially movable collet (16), is provided with lock shaft (10) in collet (16),Described lock shaft (10) drives its axially-movable in collet (16) by elastic parts, therebyRealize collet (16) spreading with closed,
Described output shaft assembly comprises main output shaft (14) and the auxiliary output shaft (1) of integrative-structure, auxiliary defeatedThe upper portion of shaft (1) is in the lower end of main output shaft (14), and Lower Half external diameter is greater than main output shaft (14)Internal diameter, the internal diameter of main output shaft (14) is unanimous between the higher and lower levels, on the inwall of main output shaft (14), also offersSymmetrical longitudinal straight trough (29),
Described collet (16) has the annulus card (46) of integrative-structure and is arranged on annulus card(46) elastic claw (45) of below, annulus card (46) is consistent with the internal diameter of elastic claw (45), and allMatch with the outside diameter d of lock shaft (10), the outer ring of annulus card (46) is symmetrically arranged with annulus chimb(32), annulus chimb (32) can slide up and down in longitudinal straight trough (29), the bottom of elastic claw (45)Have elastic claw round platform rank (37), the external diameter on elastic claw round platform rank (37) is slightly less than auxiliary output shaft (1)Internal diameter, is positioned at the outside of auxiliary output shaft (1).
2. the quick change construction of multi-purpose tool as claimed in claim 1, is characterized in that: described elasticityPawl (45) is made up of the circular arc body of two shape symmetries, and outline is column, and the external diameter of its outline is smallerIn the internal diameter of auxiliary output shaft (1), the upper surface of two circular arc bodies and annulus card (46) lower surface are oneStructure, the interval between two circular arc bodies forms two vertical slots (40).
3. the quick change construction of multi-purpose tool as claimed in claim 2, is characterized in that: elastic parts bagDraw together the fixing back-up ring (9), collet back-moving spring (13), the lock shaft that are arranged in main output shaft (14)Back-moving spring (11) and circlip for hole (15),
Described fixing back-up ring (9) is positioned at the top of circlip for hole (15) and is arranged on lock shaft (10)Upper end, annulus card (46) is positioned at the below of circlip for hole (15), described collet is multipleIt is upper that position spring (13) is sleeved on lock shaft (10), two ends respectively with the upper surface of annulus card (46) andThe lower surface plane contact of fixing back-up ring (9), described lock shaft back-moving spring (11) is sleeved on main outputIn the axis hole of axle (14), two ends are respectively with fixing back-up ring (9) lower surface and circlip for hole (15)Upper surface plane contact.
4. the quick change construction of multi-purpose tool as claimed in claim 2, is characterized in that: described elasticityAssembly also comprises and in main output shaft (14), is provided with briquetting (4), and briquetting (4) top is provided with cam (5)And knob (2), it is upper that described knob (2) is fixed on cam (5) by screw (6), briquetting (4)Be pressed on fixing back-up ring (9) by knob (2) and cam (5).
5. the quick change construction of multi-purpose tool as claimed in claim 4, is characterized in that: described cam(5) there are two spiral conical surfaces (51), its any the spiral conical surface (51) Rotate 180 ° can with anotherThe spiral conical surface (51) overlaps, and the bottom of the spiral conical surface (51) has the circular arc Ka Tai (52) of indent, described inBriquetting (4) comprise briquetting annulus (41), two briquetting boss (42) and the briquetting chimb of integrative-structure(43), described briquetting boss (42) is symmetricly set on the upper surface of briquetting annulus (41), briquetting boss(42) upper surface is circular-arc and matches with circular arc Ka Tai (52), and briquetting chimb (43) symmetry is establishedPut in the outer ring of briquetting annulus (41) and can be longitudinally sliding up and down in straight trough (29) described briquetting circleThe lower surface of ring (41) is pressed on the upper surface of back-up ring (9).
6. the quick change construction of multi-purpose tool as claimed in claim 1, is characterized in that: described outputOn shaft assembly, be also provided with collet clamp assembly.
7. the quick change construction of multi-purpose tool as claimed in claim 6, is characterized in that: described is auxiliary defeatedIn the Lower Half of shaft (1), offer at least two holes for clamping (27), described holes for clamping (27) symmetryPerpendicular, the described elastic clip head-clamp of axis of the axis of holes for clamping (27) and auxiliary output shaft (1) is setTight assembly comprises back-moving spring (25), reseting sleeve (26) and is sleeved on auxiliary output shaft (1) upper for blockingThe fixed cover (19) of holes for clamping (27), described reseting sleeve (26) is arranged in holes for clamping (27), multiplePosition spring (25) is arranged in reseting sleeve (26).
8. the quick change construction of multi-purpose tool as claimed in claim 7, is characterized in that: described clampingHole (27) is two, and the longitudinal center line of holes for clamping (27) axis and two vertical slots (40) formsPlane A is perpendicular.
9. the quick change construction of multi-purpose tool as claimed in claim 1, is characterized in that: described lockingAxle (10) bottom down successively integrative-structure be provided with taper seat (23) and lock shaft round platform rank (38), justifyThe external diameter of the conical surface (23) increases progressively from top to bottom, and the external diameter on lock shaft round platform rank (38) is slightly larger than taper seat (23)Maximum outside diameter.
10. the quick change construction of multi-purpose tool as claimed in claim 1, is characterized in that: also comprise sawSheet (22), offers the installing hole (35) consistent with auxiliary output shaft (1) internal diameter on one end of saw blade (22)With some locating holes (36), described locating hole is circumferentially distributed on outside installing hole (35), described auxiliary outputOn axle (1) lower surface, there are some boss (24) that match with locating hole (36).
The quick change construction of 11. multi-purpose tools as claimed in claim 3, is characterized in that: described masterIn output shaft (14), offer circlip groove (39), described circlip for hole (15) is fixed on circlip groove(39) in.
The quick change construction of 12. multi-purpose tools as claimed in claim 3, is characterized in that: described bulletProperty chuck back-moving spring (13), lock shaft back-moving spring (11) are stage clip.
The quick change construction of 13. multi-purpose tools as claimed in claim 7, is characterized in that: described answersPosition spring (25) is stage clip.
The quick change construction of 14. multi-purpose tools as claimed in claim 3, is characterized in that: described consolidatesDetermining back-up ring (9) is fixed on lock shaft (10) by spring washer (8) and nut (7).
The quick change construction of 15. multi-purpose tools as claimed in claim 1, is characterized in that: described is defeatedGo out shaft assembly upper bearing (metal) (3) and lower bearing (18) are also installed.
The quick change construction of 16. multi-purpose tools as claimed in claim 7, is characterized in that: described is auxiliaryOn output shaft (1), be also provided with the axle-steel silk back-up ring (21) for fixed cover (19) location, be positioned at solidThe lower end of fixed cover (19).
17. 1 kinds are provided with the multi-purpose tool of the quick change construction as described in any one in claim 1-16,It is characterized in that: comprise casing (50), casing is provided with power part and mechanical transmission component in (50),Described mechanical transmission component comprises quick change construction and shift fork (12), and described shift fork (12) is sleeved on main defeatedShaft (14) is upper, and described shift fork (12) is connected with power part.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120755.XA CN104708606B (en) | 2015-03-19 | 2015-03-19 | Multi-purpose tool and quick change construction thereof |
| EP15885084.2A EP3272465B1 (en) | 2015-03-19 | 2015-04-13 | Multifunctional tool and rapid replacement structure thereof |
| PCT/CN2015/076389 WO2016145701A1 (en) | 2015-03-19 | 2015-04-13 | Multifunctional tool and rapid replacement structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120755.XA CN104708606B (en) | 2015-03-19 | 2015-03-19 | Multi-purpose tool and quick change construction thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104708606A CN104708606A (en) | 2015-06-17 |
| CN104708606B true CN104708606B (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510120755.XA Active CN104708606B (en) | 2015-03-19 | 2015-03-19 | Multi-purpose tool and quick change construction thereof |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3272465B1 (en) |
| CN (1) | CN104708606B (en) |
| WO (1) | WO2016145701A1 (en) |
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| CN104708606B (en) * | 2015-03-19 | 2016-05-18 | 常州彤扬电气制造有限公司 | Multi-purpose tool and quick change construction thereof |
| CN105728846B (en) * | 2016-04-11 | 2017-12-15 | 浙江金美电动工具有限公司 | Multifunctional saw quick change construction and quick change method |
| CN106214260B (en) * | 2016-09-06 | 2018-08-24 | 苏州大学 | Quick change device and method for tail end tool of orthopedic surgery auxiliary robot |
| CN106308940B (en) * | 2016-09-12 | 2018-11-02 | 苏州大学 | Quick-change mechanism and method for tail end tool of orthopedic surgery auxiliary robot |
| CN107309492B (en) * | 2017-08-08 | 2023-08-29 | 浙江金美电动工具有限公司 | Multifunctional saw quick-change structure and quick-change method |
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| CN110883738B (en) * | 2018-09-11 | 2023-12-15 | 南京泉峰科技有限公司 | Power tool |
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| CN112223220A (en) * | 2020-10-15 | 2021-01-15 | 南京久驰机电实业有限公司 | Quick clamping device and multifunctional tool machine adopting same |
| CN114938726B (en) * | 2022-06-14 | 2024-04-05 | 宁波爱乐吉电动工具股份有限公司 | Working head quick-dismantling mechanism of garden tool |
| CN218137836U (en) * | 2022-10-19 | 2022-12-27 | 袁崔华 | Electric tool and structure for disassembling, replacing and fixing working part of electric tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3272465A1 (en) | 2018-01-24 |
| CN104708606A (en) | 2015-06-17 |
| WO2016145701A1 (en) | 2016-09-22 |
| EP3272465A4 (en) | 2018-12-12 |
| EP3272465B1 (en) | 2020-02-26 |
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