EP3272465B1 - Multifunktionswerkzeug und schnelle ersatzstruktur dafür - Google Patents

Multifunktionswerkzeug und schnelle ersatzstruktur dafür Download PDF

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Publication number
EP3272465B1
EP3272465B1 EP15885084.2A EP15885084A EP3272465B1 EP 3272465 B1 EP3272465 B1 EP 3272465B1 EP 15885084 A EP15885084 A EP 15885084A EP 3272465 B1 EP3272465 B1 EP 3272465B1
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EP
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Prior art keywords
output shaft
function tool
exchange structure
quick exchange
face
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EP15885084.2A
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English (en)
French (fr)
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EP3272465A1 (de
EP3272465A4 (de
Inventor
Songnian Chen
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Changzhou Toolon Electric Works Co Ltd
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Changzhou Toolon Electric Works Co Ltd
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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
    • 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

Definitions

  • the present invention relates to a technical field of a power tool in the mechanical industry, and more particularly, to a multi-function tool for various operations such as cutting and sanding and its quick-exchange structure.
  • the multi-function tool can load and clamp woodworking saw blade, metal saw blade, triangular sand disc and the like. Then the woodworking saw blade or metal saw blade loaded on the multi-function tool can cut the wood or the metal material such as aluminum alloy while the triangular sand disc loaded can sand and polish the board, gypsum board or wall.
  • the saw blade and the triangular sand disc are mounted on an output shaft of the multi-function tool and the output end face of the output shaft has small bosses uniformly distributed in a circle.
  • the small bosses are used for the positioning of the saw blade and the triangular sand disc. Further, threaded holes are cut on the output shaft and with a hexagonal wrench to tighten the screws, the saw blade or the triangular sand disc is fixed.
  • a multi-tool having a quick exchange structure is for example disclosed in DE 10 2012 007924 A1 .
  • the technical problem to be solved by the present invention is that: to overcome the technical problem of insufficient efficiency of the replacement of saw blades of the multi-function tool of the prior art, the present invention provides a quick exchange structure to quickly exchange and clamp the saw blade but needing no screws to fix the saw blade and its tools.
  • a quick exchange structure for a multi-function tool comprising an output shaft assembly in which an elastic collet able to do axial movement is arranged.
  • a locking shaft is arranged, and the locking shaft is driven to move axially within the elastic collet by an elastic assembly to realize the opening and closing of the elastic collet.
  • the screws tightening the saw blade or the triangle disc have to be completely removed before the new one is loaded and tightened with a hexagonal wrench.
  • the hexagonal wrench is easy to lose, resulting in the failure of the multi-function tool.
  • the invention needs no screw to fix the saw blade, instead, by rotating rotary knob arranged on the head of the structure, the axial sliding movement of the output shaft assembly and the locking assembly is controlled to release or clamp the saw blade and realize quick exchange.
  • the output shaft assembly comprises a main output shaft and an auxiliary output shaft which are in an integrated structure, the upper part of the auxiliary output shaft is within the lower end of the main output shaft and so the external diameter is larger than the internal diameter of the main output shaft and the internal diameters of the upper part and the lower part are identical.
  • the output shaft assembly comprises a main output shaft and an auxiliary output shaft which are in an integrated structure, the upper part of the auxiliary output shaft is within the lower end of the main output shaft and so the external diameter is larger than the internal diameter of the main output shaft and the internal diameters of the upper part and the lower part are identical.
  • On the inner wall of the main output shaft symmetrical longitudinal straight slots are cut.
  • the elastic collet has an integrated annulus card and an elastic claw arranged under the annulus card.
  • the internal diameters of the annulus card and the elastic claw are identical and matched with the external diameter d of the locking shaft.
  • annulus bosses are symmetrically arranged and the annulus bosses slide upwards and downwards along the longitudinal straight slots.
  • the bottom of the elastic claw has a round step which is at the outer side of the auxiliary output shaft, and the external diameter of the round step is slightly smaller than the internal diameter of the auxiliary output shaft.
  • the elastic claw is composed of two arc bodies in symmetric shape and the outer contour is columnar.
  • the external diameter of the outer contour is slightly smaller than the internal diameter of the auxiliary output shaft.
  • the upper end face of the two arc bodies and the lower end face of the annulus card are in an integrated structure, and the gap between the two arc bodies forms two vertical slots.
  • the internal and external diameters of the elastic claw are measured in the non-opened up state of the elastic claw, that is, the contraction state.
  • the structure of the elastic assembly of the invention selected is as follows:
  • the structure comprises a check ring for fixing arranged inside the main output shaft, a reset spring of the elastic collet, a reset spring of the locking shaft and a circlip for hole.
  • the check ring for fixing is above the circlip for hole and arranged on the upper end of the locking shaft, the annulus card is under the circlip for hole, the reset spring of the elastic collet is sheathed on the locking shaft and the two ends contact in plane with the upper end face of the annulus card and the lower end face of the check ring for fixing, respectively, and the reset spring of the locking shaft is sheathed in the shaft hole of the main output shaft, and the two ends of the reset spring contact in plane with the lower end face of the check ring for fixing and the upper end face of the circlip for hole.
  • the elastic assembly further comprises a pressing block arranged inside the main output shaft.
  • a cam and a rotary knob are arranged, and the rotary knob is fixed to the cam with screws and the pressing block is pressed tightly against the check ring for fixing by the rotary knob and the cam.
  • the cam has two spiral conical faces, and any one of the two spiral conical faces can coincide with the other spiral conical face by rotating 180°. And the bottom of the spiral conical face has an arc catching step with a recess.
  • the pressing block comprises a block annulus, two block bosses and a block convex edge; the block bosses are symmetrically arranged on the upper end face of the block annulus, and the upper end of the block annulus is arc like and matched with the arc catching step; the block bosses are symmetrically arranged on the outer ring of the block annulus and slip upwards and downwards along the longitudinal straight slots. The lower end face of the block annulus presses against the upper end face of the check ring.
  • a clamp assembly for the elastic collet is arranged on the output shaft assembly.
  • the clamp assembly is further improved as follows: on the lower part of the auxiliary output shaft at least two clamping holes are cut symmetrically, and the axis of the clamping holes is vertical to the axis of the auxiliary output shaft.
  • the clamp assembly for the elastic collet comprises a reset spring, a reset sheath and a fixed sheath sheathed on the auxiliary output shaft and for stopping up the clamping holes; the reset sheath is arranged in the clamping holes, and the reset spring is arranged in the reset sheath.
  • the auxiliary output shaft has two clamping holes and the axis of the clamping holes is vertical to a plane A formed by the axial center line of the two vertical slots.
  • a conical face and a locking shaft round step in an integrated structure are arranged; the external diameter of the conical face increases from up down, and the external diameter of the locking shaft round step is slightly larger than the maximum external diameter of the conical face.
  • the quick exchange structure for multi-function tool further comprises a saw blade; on one end of the saw blade an installation hole and a plurality of locating holes with the diameter identical to the internal diameter of the auxiliary output shaft are cut, and the locating holes are uniformly distributed along the installation hole; and the lower end face of the auxiliary output shaft has a plurality of bosses matched with the locating holes.
  • a check ring slot is cut and the circlip for hole is fixed inside the check ring slot.
  • the reset spring of the elastic collet, the reset spring of the locking shaft and the reset spring are of a pressure spring.
  • check ring for fixing is fixed to the locking shaft with a spring washer and a nut.
  • an upper bearing and a lower bearing are installed on the output shaft assembly.
  • a round wire snap ring for shaft is arranged to locate the fixing sheath.
  • a multi-function tool installed with the quick exchange structure comprising an enclosure inside which a power unit and a mechanical drive unit are arranged.
  • the mechanical drive unit comprises a quick exchange structure and a shifting fork, and the shifting fork is sheathed on the main output shaft and is connected with the power unit.
  • the present invention has the following beneficial effect: compared with the prior art, the multi-function tool and its quick exchange structure of the invention has spared the lock screws and a hexagon wrench, and instead uses an elastic collet to lock the saw blade; further the multi-function tool and its quick exchange structure has compact structure and easy operation, and the saw blade is installed or removed only by rotating the rotary knob, so remarkably increasing the work efficiency.
  • an elastic collet 16 able to do axial movement is arranged in the output shaft assembly of the quick exchange structure for the multi-function tool.
  • a locking shaft 10 is arranged in the elastic collet 16 , and the locking shaft 10 is driven to move axially within the elastic collet 16 by an elastic assembly to so to realize the opening and closing of the elastic collet 16.
  • the output shaft assembly comprises the main output shaft 14 and the auxiliary output shaft 1 which are in an integrated structure, the upper part of the auxiliary output shaft 1 is within the lower end of the main output shaft 14 and so the external diameter is larger than the internal diameter of the main output shaft 14 (not larger than the external diameter of the main output shaft 14, and if so, the upper bearing and the lower bearing and the fixing sheath will not be installed onto the main output shaft), and the internal diameters of the upper part and the lower part are identical. On the inner wall of the main output shaft 14 symmetrical longitudinal straight slots 29 are cut. Further the output shaft assembly has the upper bearing 3 and the lower bearing 18.
  • the elastic collet 16 has the integrated annulus card 46 and the elastic claw 45 arranged under the annulus card 46.
  • the internal diameters of the annulus card 46 and the elastic claw 45 are identical and matched with the external diameter d of the locking shaft 10.
  • On the outer ring of the annulus card 46 the annulus convex edges 32 are arranged and the annulus convex edges 32 slide upwards and downwards along the longitudinal straight slots 29.
  • the bottom of the elastic claw 45 has the round step 37 of elastic claw which is at the outer side of the auxiliary output shaft 1, and the external diameter of the round step 37 of elastic claw is slightly smaller than the internal diameter of the auxiliary output shaft 1 (to ease the installation).
  • the elastic claw 45 is composed of two arc bodies in symmetric shape and the outer contour is columnar.
  • the external diameter of the outer contour is slightly smaller than the internal diameter of the auxiliary output shaft 1, subject to that the elastic claw 45 can be opened up to some angles.
  • the upper end face of the two arc bodies and the lower end face of the annulus card 46 are in an integrated structure, and the gap between the two arc bodies forms two vertical slots 40.
  • the spring assembly comprises the check ring for fixing 9 arranged inside the main output shaft 14, the reset spring 13 of the elastic collet, the reset spring 11 of the locking shaft and the circlip for hole 15.
  • the check ring slot 39 is cut on the inner ring of the main output shaft 14, the circlip for hole 15 is fixed in the check ring slot 39 and some part extends out of the check ring slot 39, the check ring for fixing 9 is fixed onto the locking shaft 10 with the spring washer 8 and the nut 7;
  • the annulus card 46 is under the circlip for hole 15,
  • the reset spring 13 of the elastic collet is sheathed on the locking shaft 10 and the two ends contact in plane with the upper end face of the annulus card 46 and the lower end face of the check ring for fixing 9, respectively, and the reset spring 11 of the locking shaft is sheathed in the shaft hole of the main output shaft 14, and the two ends contact in plane with the lower end face of the check ring for fixing 9 and the upper end face of the circlip for hole 15.
  • the elastic assembly further comprises the pressing block 4 arranged inside the main output shaft 14. Above the pressing block 4 a cam 5 and a rotary knob 2 are arranged, and the rotary knob 2 is fixed to the cam 5 with screws 6 and the pressing block 4 is pressed tightly against the check ring for fixing 9 by the rotary knob 2 and the cam 5.
  • the cam 5 has two spiral conical faces 51, and any one of the two spiral conical faces 51 can coincide with the other spiral conical face 51 by rotating 180°. And the bottom of the spiral conical face 51 has an arc catching step 52 with a recess.
  • the pressing block 4 comprises the block annulus 41, two block bosses 42 and the block convex edge 43 which are integrated; the block bosses 42 are symmetrically arranged on the upper end face of the block annulus 41, and the upper end of the block boss 42 is arc like and matched with the arc catching step 52; the block convex edge 43 is symmetrically arranged on the outer ring of the block annulus 41 and slips upwards and downwards along the longitudinal straight slots 29.
  • the lower end face of the block annulus 41 presses against the upper end face of the check ring 9.
  • the clamp assembly for the elastic collet comprises the reset spring 25, the reset sheath 26 and the fixed sheath 19 sheathed on the auxiliary output shaft 1 and for stopping up the clamping holes 27; on the auxiliary output shaft 1 and against the lower end of the fixed sheath 19 the round wire snap ring for shaft 21 is further arranged for locating the fixed sheath 19; the reset sheath 26 is arranged in the clamping holes 27, and the reset spring 25 is arranged in the reset sheath 26.
  • a plurality of clamping holes 27 may be arranged symmetrically if required.
  • the conical face 23 and the locking shaft round step 38 in an integrated structure are arranged; the external diameter of the conical face 23 increases from up down, and the external diameter of the locking shaft round step 38 is slightly larger than the maximum external diameter of the conical face 23.
  • the quick exchange structure for multi-function tool further comprises the saw blade 22; on one end of the saw blade 22 the installation hole 35 and a plurality of locating holes 36 with the diameter identical to the internal diameter of the auxiliary output shaft 1 are cut, and the locating holes are uniformly distributed along the installation hole 35; and the lower end face of the auxiliary output shaft 1 has a plurality of bosses 24 matched with the locating holes 36.
  • the reset spring 13 of the elastic collet, the reset spring 11 of the locking shaft and the reset spring 25 are of a pressure spring.
  • a multi-function tool installed with the quick exchange structure of the embodiment comprising the enclosure 50 inside which the power unit and the mechanical drive unit are arranged.
  • the mechanical drive unit comprises the quick exchange structure and the shifting fork 12, and the shifting fork 12 is sheathed on the main output shaft 14 and is connected with the power unit.
  • the functions realized by the embodiment are as follows:
  • the rotary knob 2 rotates counterclockwise to the end, the cam 5 rotates simultaneously as driven by the rotary knob 2, the two symmetric spiral conical faces 51 push the two block bosses 42 on the pressing block 4 and further have the pressing block 4 to move axially, the pressing block 4 pushes the locking shaft assembly to move outwards and the reset spring 13 of the elastic collet simultaneously pushes the elastic collet 16 to move outwards;
  • the elastic claw 45 of the elastic collet 16 contracts inwards under the action of the reset spring 25 and the reset sheath 26; and so when the elastic collet 16 is at the contraction state, the saw blade can be removed or installed then.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Gripping On Spindles (AREA)
  • Clamps And Clips (AREA)

Claims (18)

  1. Schnellwechselaufbau für ein Multifunktionswerkzeug, bei dem eine Abtriebswellen-Anordnung, in der eine elastische Spannzange (16) axialbeweglich angeordnet ist, wobei in der elastischen Spannzange (16) eine Verriegelungswelle (10) angeordnet ist, und die Verriegelungswelle (10) wird angetrieben, um sich innerhalb der elastischen Hülse (16) durch eine elastische Anordnung axial zu bewegen, um das Öffnen und Schließen der elastischen Spannzange (16) zu realisieren.
  2. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 1, wobei die Ausgangswellenanordnung eine Hauptausgangswelle (14) und eine Hilfsausgangswelle (1) umfasst, die in einer integrierten Struktur den oberen Teil der Hilfsausgangswelle (1) bilden innerhalb des unteren Endes der Hauptausgangswelle (14) liegt und somit der Außendurchmesser größer ist als der Innendurchmesser der Hauptausgangswelle (14) und die Innendurchmesser des Oberteils und des Unterteils identisch sind, und an der Innenwand der Hauptausgangswelle (14) sind symmetrische gerade Längsschlitze (29) geschnitten.
  3. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 2, wobei die elastische Spannzange (16) eine integrierte Ringkarte (46) und eine elastische Klaue (45) aufweist, die unter der Ringkarte (46) angeordnet ist, deren Innendurchmesser Ringkarte (46) und elastische Klaue (45) sind identisch und auf den Außendurchmesser der Verriegelungswelle (10) abgestimmt, auf dem Außenring der Ringkarte (46) sind ringförmige konvexe Kanten (32) angeordnet und die ringförmige konvexe Kanten (32) gleiten entlang gerader Längsschlitze (29) nach oben und unten, und der Boden der elastischen Klaue (45) hat eine runde Stufe (37) aus elastischer Klaue, die sich an der Außenseite einer Hilfsausgangswelle (1) befindet.
  4. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 3, wobei die elastische Klaue (45) aus zwei Bogenkörpern in symmetrischer Form besteht und die Außenkontur säulenförmig ist, wobei der Außendurchmesser der Außenkontur geringfügig kleiner als der Innendurchmesser ist Durchmesser der Hilfsausgangswelle (1), die obere Stirnfläche der beiden Bogenkörper und die untere Stirnfläche der Ringkarte (46) sind in einer integrierten Struktur ausgebildet, und der Spalt zwischen den beiden Bogenkörpern bildet zwei vertikale Schlitze (40).
  5. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 3, die ferner eine Federanordnung umfasst, wobei die Federanordnung einen Rückschlagring zur Befestigung (9), der innerhalb der Hauptausgangswelle (14) angeordnet ist, und eine Rückstellfeder (13) umfasst elastische Spannzange, Rückstellfeder (11) der Verriegelungswelle und Sicherungsring für Bohrung (15), der Sicherungsring zur Befestigung (9) befindet sich oberhalb des Sicherungsrings für Bohrung (15) und ist am oberen Ende der Verriegelungswelle (10) befestigt befindet sich die Ringkarte (46) unter dem Sicherungsring für das Loch (15), die Rückstellfeder (13) der elastischen Spannzange ist auf der Verriegelungswelle (10) ummantelt und die beiden Enden berühren sich in der Ebene mit der oberen Stirnfläche der Ringkarte (46) und der unteren Endfläche des Sicherungsrings zur Befestigung (9) und die Rückstellfeder (11) der Verriegelungswelle in der Wellenbohrung der Hauptausgangswelle (14) ummantelt ist, und die beiden Enden in einer Ebene mit der unteren Endfläche des Sicherungsrings zur Befestigung (9) und der oberen Endfläche des Sicherungsrings für das Loch (15) in Kontakt stehen.
  6. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 4, wobei die elastische Anordnung umfasst ferner einen Pressblock (4), der innerhalb der Hauptausgangswelle (14) angeordnet ist, oberhalb des Pressblocks (4) sind ein Nocken (5) und ein Drehknopf (2) angeordnet, und der Drehknopf (2) wird mit Schrauben (6) an der Nocke (5) befestigt und der Pressblock (4) durch den Drehknopf (2) und die Nocke (5) fest gegen den Kontrollring zur Befestigung (9) gedrückt.
  7. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 6, wobei der Nocken (5) hat zwei spiralförmige konische Flächen (51), und jede der beiden spiralförmigen konischen Flächen (51) kann durch Drehen um 180° mit der anderen spiralförmigen konischen Fläche (51) zusammenfallen, der Boden der spiralförmigen konischen Fläche (51) weist eine Bogenfangstufe (52) mit einer Aussparung auf, der Pressblock (4) weist einen Blockring (41), zwei Blocknaben (42) und eine Blockkonvexkante (43) auf welche integriert sind; die Blocknaben (42) sind symmetrisch an der oberen Endfläche des Blockrings (41) angeordnet, und das obere Ende der Blocknabe (42) ist bogenförmig und mit der Bogenfangstufe (52) abgestimmt; die blockkonvexe Kante (43) ist symmetrisch am Außenring des Blockrings (41) angeordnet und rutscht entlang der geraden Längsschlitze (29) nach oben und unten, und die untere Stirnfläche des Blockrings (41) drückt gegen die obere Stirnfläche der Befestigung (9).
  8. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 2, wobei an der Abtriebswellen-Anordnung ferner eine Klemmanordnung für die elastische Spannzange angeordnet ist.
  9. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 8, wobei am unteren Teil der Hilfsausgangswelle (1) mindestens zwei Klemmlöcher (27) symmetrisch geschnitten sind und die Achse der Klemmlöcher (27) liegt vertikal zur Achse der Hilfsausgangswelle (1) weist die Klemmanordnung für die elastische Spannzange eine Rückstellfeder (25), eine Rückstellhülse (26) und eine feste Hülse (19) auf, die auf der Hilfsausgangswelle (1) angeordnet ist, und zum Verstopfen der Klemmlöcher (27); die Rückstellhülse (26) ist in den Klemmlöchern (27) angeordnet, und die Rückstellfeder (25) ist in der Rückstellhülse (26) angeordnet.
  10. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 9, wobei zwei Klemmlöcher (27) geschnitten sind und die Achse der Klemmlöcher (27) vertikal zu einer Ebene A verläuft, die durch die axiale Mittellinie der beiden vertikalen Schlitze (40) gebildet wird.
  11. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 1, wobei nach unten entlang des Bodens der Verriegelungswelle (10) eine konische Fläche (23) und eine Verriegelungswellenrundstufe (38) in einer integrierten Struktur angeordnet sind; der Außendurchmesser der konischen Fläche (23) nimmt von oben nach unten zu, und der Außendurchmesser der runden Verriegelungswellenrundstufe (38) der Verriegelungswelle ist geringfügig größer als der maximale Außendurchmesser der konischen Fläche (23).
  12. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 2, wobei die Schnellwechselstruktur für ein Multifunktionswerkzeug ferner ein Sägeblatt (22), an einem Ende des Sägeblattes (22) das Installationsloch (35) und aufweist eine Vielzahl von Aufnahmelöchern (36) mit dem Durchmesser, der mit dem Innendurchmesser der Hilfsausgangswelle (1) identisch ist, wird geschnitten, und die Positionierungslöcher sind gleichmäßig entlang des Installationslochs (35) und der unteren Endfläche des Hilfsmittels verteilt die Hilfsausgangswelle (1) weist mehrere Vorsprünge (24) auf, die mit den Aufnahmelöchern (36) übereinstimmen.
  13. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 4, wobei in die Hauptausgangswelle (14) ein Rückschlagringschlitz (39) geschnitten ist und der Sicherungsring für das Loch (15) in dem Rückschlagringschlitz (39) befestigt ist.
  14. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 9, wobei die Rückstellfeder (13) der elastischen Hülse, die Rückstellfeder (11) der Verriegelungswelle und die Rückstellfeder (25) eine Druckfeder sind.
  15. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 5, wobei der Sicherungsring zur Befestigung (9) mit einer Federscheibe (8) und einer Mutter (7) an der Verriegelungswelle (10) befestigt ist.
  16. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 1, wobei ein oberes Lager (3) und ein unteres Lager (18) an der Ausgangswellenanordnung installiert sind.
  17. Schnellwechselstruktur für ein Multifunktionswerkzeug nach Anspruch 9, wobei an der Hilfsausgangswelle (1) und am unteren Ende der Befestigungshülse (19) ein runder Drahtsprengring für die Welle (21) angeordnet ist, um die zu orten Befestigungshülse (19).
  18. Multifunktionswerkzeug, in dem die in einem der Ansprüche 1 bis 17 genannte Schnellwechselstruktur installiert ist, wobei das Multifunktionswerkzeug eine Umhüllung (50) umfasst, in der eine Antriebseinheit und eine mechanische Antriebseinheit angeordnet sind, die mechanisch die Antriebseinheit weist eine Schnellwechselstruktur und eine Schaltgabel (12) auf, und die Schaltgabel (12) ist auf der Hauptausgangswelle (14) ummantelt und mit der Antriebseinheit verbunden.
EP15885084.2A 2015-03-19 2015-04-13 Multifunktionswerkzeug und schnelle ersatzstruktur dafür Active EP3272465B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510120755.XA CN104708606B (zh) 2015-03-19 2015-03-19 多功能工具及其快换结构
PCT/CN2015/076389 WO2016145701A1 (zh) 2015-03-19 2015-04-13 多功能工具及其快换结构

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EP3272465A1 EP3272465A1 (de) 2018-01-24
EP3272465A4 EP3272465A4 (de) 2018-12-12
EP3272465B1 true EP3272465B1 (de) 2020-02-26

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EP (1) EP3272465B1 (de)
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WO (1) WO2016145701A1 (de)

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CN104708606B (zh) * 2015-03-19 2016-05-18 常州彤扬电气制造有限公司 多功能工具及其快换结构
CN105728846B (zh) * 2016-04-11 2017-12-15 浙江金美电动工具有限公司 多功能锯快换结构及快换方法
CN106214260B (zh) * 2016-09-06 2018-08-24 苏州大学 骨科手术辅助机器人末端工具的快换装置及快换方法
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EP3272465A1 (de) 2018-01-24
EP3272465A4 (de) 2018-12-12

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