EP1506843A1 - Spanneinrichtung für Sechskantbits - Google Patents
Spanneinrichtung für Sechskantbits Download PDFInfo
- Publication number
- EP1506843A1 EP1506843A1 EP04017796A EP04017796A EP1506843A1 EP 1506843 A1 EP1506843 A1 EP 1506843A1 EP 04017796 A EP04017796 A EP 04017796A EP 04017796 A EP04017796 A EP 04017796A EP 1506843 A1 EP1506843 A1 EP 1506843A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping device
- locking element
- locking
- hexagon
- bit
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17666—Radially reciprocating jaws
- Y10T279/17692—Moving-cam actuator
- Y10T279/17743—Reciprocating cam sleeve
- Y10T279/17752—Ball or roller jaws
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/94—Tool-support
- Y10T408/95—Tool-support with tool-retaining means
- Y10T408/953—Clamping jaws
Definitions
- a variety of glands is with mechanical or electromechanical aids carried out, wherein netzoder battery operated drills, mechanical ratchets or Like. Be used.
- hexagon bits As a universal tool So-called hexagon bits have found widespread use. These hex bits have one substantially Hexagonal cross-section on, in corresponding hexagonal shots is held, wherein the torque transmission of the hexagon socket on the hexagon bit over surface pressure takes place on the side surfaces of the hexagon bit.
- Appropriate Plug connections allow the use of depending on demand Slotted or cross-hatch bits, bits for holding screw nuts or other adapted to the particular application Allen key bits.
- hex bits have enforced in one quarter inch format.
- the definition of the bits in the axial Directed as problematic are hexagon shots known with an integrated magnet, wherein the Magnet for an unintentional falling out of an inserted To prevent bits.
- the bit should be magnetized to ensure adherence of the screws to the bit.
- the holding force of the magnet may be a degree do not exceed, so used hex bits, for example after exceeding a wear limit without tools can be replaced by hand.
- a hexagon bit on the screw head "sticks" and when removing the screwdriver off the hexagon socket slips. Longer bits or special bits have a higher dead weight, for which the magnetic Holding force can be too low.
- clamping devices with a hexagonal socket known in which clamped hex bits by means of suitable Locking elements held in the axial direction liquid are.
- the hexagon bits have locking recesses for example, in the form of a circumferential annular groove, in the the locking element engages. For insertion or removal corresponding bits a cumbersome unlocking is required.
- the invention is based on the object, a corresponding To provide tensioning device in the hexagonal bits reliable kept and are easily interchangeable.
- a clamping device is proposed with a locking element, wherein the locking element in the rest position with respect fixed in its radial position and in axial Insertion direction of the hexagon bit in a radial deflectability releasable receiving position is displaceable.
- the locking element is missing or inserted hexagon bit in his resting position.
- To insert the hexagon bit in the axial direction of insertion in the hexagonal socket pushed it to the inside of the hex socket protruding and locked in the rest position locking element strikes. As you continue pushing the bit moved the locking element so far in the axial direction of insertion, until it gets into a shooting position.
- the locking element is expediently designed such that it against the force of a particular the hexagonal socket enclosing Compression spring is axially veschietik. After deflection of the locking element in the release position can this then automatically in the locked rest position to return. A manual locking is not required.
- a dedicated, the hexagonal recording enclosing Helical compression spring requires only small volume.
- the locking element is between the locking element and the compression spring arranged a bearing plate.
- the investment plate has expediently in the region of the locking element an inwardly inclined slope. It is a precise one defined adhesion between compression spring and locking element achievable.
- the inwardly inclined slope leads to a radially inwardly directed force component that locks of the locking element in the locking recess of the hexagon supported.
- Sloping in the form of a dome results in a good guidance of the Ball trained locking element.
- a helical spring 8 formed as a compression spring. 7 is a bearing plate 9 axially against the locking element 4 in Direction of a free end 14 of the clamping device 1 is pressed.
- the contact plate 9 by means of a radial inwardly inclined slope 10 on the locking element 4, whereby this radially inward and axially in the direction of the free End 14 is biased.
- the slope 10 can be used as a plane, as Dome or the like. Be trained.
- the axial force component is the locking element 4 at a free end 14 facing the end of the slot 11 and also on a stop 17 of the locking sleeve 13 at.
- the stop 17 extends thereby facing radially inwardly on the free end 14 Side of the retaining wall 12.
- Rest position of the locking element 4 is the hexagon bit 3 in Direction of the arrow 6 as far insertable until it to the after inside in the hexagonal socket 2 protruding locking element. 4 strikes.
- the locking element 4 is opposed within the elongated hole 11 the biasing force of the compression spring 7 in the direction of the arrow. 6 axially displaceable.
- Fig. 2 shows the arrangement of FIG. 1 with a partial further inserted hexagon bit 3.
- the locking element 4 is together with the hexagon bit 3 axially in the direction of the arrow 6 shifted relative to the rest position shown in Fig. 1 and has taken a recording position.
- Recording position is the locking element 4 based on the retaining wall 12 so axially displaced that the retaining wall 12th no longer outside of the locking element 4 is located.
- the Locking element 4 is in its receiving position shown pushed so radially outward that it is no longer in the Hexagonal socket 2 protrudes. From that shown in Fig. 2 Position out the hex bit 3 completely up to a stop 26 are inserted, wherein the locking element 4 by the force of the compression spring 7 in the axial direction against the chamfer 16 is pressed.
- Fig. 3 shows the arrangement according to FIGS. 1 and 2, in which the Hexagon bit 3 is pushed to the stop 26.
- the Hexagonal bit 3 has a locking recess 5 which is shown in FIG Embodiment designed as a circumferential groove is. There may also be other suitable wells such as blind holes or the like. Be appropriate.
- the slope 10 of the investment plate 9 and the chamfer 16 within the locking sleeve thirteenth (FIG. 2) bring about the pressure force of the helical spring 8 a radially inwardly directed force component, in whose Follow the locking element 4 is pressed into the locking recess 5 is.
- the removal direction and the release direction required for release Lock sleeve 13 match it. Pulling the locking sleeve 13 from the position shown in Fig. 3 in the position according to Fig. 4 and taking place in the same direction removal of the hexagon 3 bits can be done simultaneously and with one hand respectively. For better grip of the locking sleeve 13 has these have a surface structuring on the outside, which in the shown embodiment by two circumferential grooves 22nd is formed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Clamps And Clips (AREA)
Abstract
Description
- Fig. 1
- in einer Längsschnittdarstellung die Werkzeugwelle eines Bohrschraubers mit einer stirnseitig integrierten Spanneinrichtung und einem teilweise eingeschobenen Sechskantbit,
- Fig. 2
- die Anordnung nach Fig. 1 mit dem relativ dazu weiter eingeschobenen, das Riegelelement in eine Freigabeposition drückenden Sechskantbit,
- Fig. 3
- die Anordnung nach den Fig. 1 und 2 mit eingerastetem und verriegeltem Sechskantbit,
- Fig. 4
- die Anordnung nach den Fig. 1 bis 3 mit gezogener Riegelhülse und teilweise entnommenen Sechskantbit.
Claims (10)
- Spanneinrichtung (1) mit einer Sechskantaufnahme (2) für Sechskantbits (3), umfassend ein radial auslenkbares Riegelelement (4) zum Eingriff in eine Riegelvertiefung (5) des Sechskantbits (3), wobei das Riegelelement (4) in einer Ruheposition radial nach innen in die Sechskantaufnahme (2) ragt,
dadurch gekennzeichnet, daß das insbesondere als Kugel (18) ausgebildete Riegelelement (4) in der Ruheposition bezüglich seiner radialen Position durch eine zylindrische Haltewand (12) einer Riegelhülse (13) festgelegt und in axialer Einsatzrichtung (6) des Sechskantbits (3) in eine die radiale Auslenkbarkeit freigebende Aufnahmeposition verschieblich ist. - Spanneinrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß das Riegelelement (4) gegen die Kraft einer insbesondere die Sechskantaufnahme (2) umschließenden Druckfeder (7) axial verschieblich ist. - Spanneinrichtung nach Anspruch 2,
dadurch gekennzeichnet, daß zwischen dem Riegelelement (4) und der insbesondere als Schraubenfeder (8) ausgebildeten Druckfeder (7) ein Anlageteller (9) angeordnet ist, der vorteilhaft im Bereich des Riegelelementes (4) eine nach innen geneigte Schräge (10) aufweist. - Spanneinrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß das Riegelelement (4) in axialer Richtung in einem Langloch (11) geführt ist. - Spanneinrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Riegelhülse (13) aus ihrer Ruheposition heraus in Richtung eines freien Endes (14) der Sechskantaufnahme (2) gegen die Kraft einer Druckfeder (15) verschieblich ist. - Spanneinrichtung nach Anspruch 5,
dadurch gekennzeichnet, daß in axialer Richtung auf der dem freien Ende (14) gegenüberliegenden Seite der Haltewand (12) eine radial nach außen sich erweiternde Abschrägung (16) vorgesehen ist. - Spanneinrichtung nach Anspruch 5 oder 6,
dadurch gekennzeichnet, daß in axialer Richtung auf der dem freien Ende (14) zugewandten Seite der Haltewand (12) ein radial nach innen sich erstreckender Anschlag (17) vorgesehen ist. - Spanneinrichtung nach einem der Ansprüche 5 bis 7,
dadurch gekennzeichnet, daß die Riegelhülse (13) als im wesentlichen rotationssymmetrisches Drehteil ausgebildet ist und insbesondere außenseitig eine Oberflächenstrukturierung aufweist. - Spanneinrichtung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß diese an einer Werkzeugwelle (19) einer handgeführten Werkzeugmaschine, insbesondere eines Bohrschraubers oder dgl. vorgesehen ist und stirnseitig in die Werkzeugwelle (19) integriert ist. - Spanneinrichtung nach Anspruch 9,
dadurch gekennzeichnet, daß im Bereich ihres stirnseitigen Endes (20) eine Bohrfutteraufnahme (21) vorgesehen ist, wobei der Außendurchmesser (D1) der Riegelhülse (13) kleiner als der Außendurchmesser (D2) der Bohrfutteraufnahme (21) ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10337470A DE10337470A1 (de) | 2003-08-14 | 2003-08-14 | Spanneinrichtung für Sechskantbits |
DE10337470 | 2003-08-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1506843A1 true EP1506843A1 (de) | 2005-02-16 |
EP1506843B1 EP1506843B1 (de) | 2008-06-11 |
Family
ID=33560328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04017796A Expired - Fee Related EP1506843B1 (de) | 2003-08-14 | 2004-07-28 | Spanneinrichtung für Sechskantbits |
Country Status (3)
Country | Link |
---|---|
US (1) | US7121774B2 (de) |
EP (1) | EP1506843B1 (de) |
DE (2) | DE10337470A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8276483B2 (en) | 2007-08-01 | 2012-10-02 | Robert Bosch Gmbh | Hand-held power tool with a tool holder |
CN102794731A (zh) * | 2011-05-25 | 2012-11-28 | 喜利得股份公司 | 电动旋拧机 |
WO2022005929A1 (en) * | 2020-07-02 | 2022-01-06 | Milwaukee Electric Tool Corporation | Rotary impact tool having bit holding device |
US11660681B2 (en) * | 2019-07-23 | 2023-05-30 | Makita Corporation | Tool-holding apparatus, impact driver, and electric work machine |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2863518B1 (fr) * | 2003-12-15 | 2006-01-13 | Montabert Roger | Dispositif d'assemblage du carter et du corps d'un brise roche hydraulique |
DE10360008B4 (de) * | 2003-12-19 | 2006-04-06 | Wacker Construction Equipment Ag | Vorrichtung für einen Bohr- oder Schlaghammer mit Werkzeugaufnahme |
JP5032745B2 (ja) * | 2005-01-24 | 2012-09-26 | 株式会社マキタ | 作業工具 |
DE202006003096U1 (de) * | 2006-02-23 | 2006-07-27 | Robert Schröder GmbH & Co. KG | Einspannfutter |
WO2007120893A2 (en) * | 2006-04-13 | 2007-10-25 | Insty-Bit, Inc. | Automatic tool-bit holder |
US7740249B1 (en) * | 2006-05-01 | 2010-06-22 | Bradshaw Medical, Inc. | Holder for replaceable tools |
DE102007005033A1 (de) * | 2007-02-01 | 2008-08-07 | Robert Bosch Gmbh | Werkzeughalterung für eine Werkzeugmaschine, insbesondere für eine Handwerkzeugmaschine |
US8366592B2 (en) | 2007-11-30 | 2013-02-05 | Cinetic Automation Corp. | Quick change spindle |
US8262098B2 (en) * | 2008-02-05 | 2012-09-11 | Robert Bosch Gmbh | Rotary tool system with centering member |
TW200950938A (en) * | 2008-06-11 | 2009-12-16 | Hou-Fei Hu | Chuck for bit |
US8800999B2 (en) * | 2009-02-27 | 2014-08-12 | Black & Decker Inc. | Bit retention device |
US8622401B2 (en) * | 2009-02-27 | 2014-01-07 | Black & Decker Inc. | Bit retention device |
US8381830B2 (en) * | 2009-05-05 | 2013-02-26 | Black & Decker Inc. | Power tool with integrated bit retention device |
JP5575428B2 (ja) * | 2009-07-10 | 2014-08-20 | 株式会社マキタ | 集塵アタッチメント |
US20120326399A1 (en) * | 2011-06-21 | 2012-12-27 | Jack Lin | Chuck |
US20120326400A1 (en) * | 2011-06-21 | 2012-12-27 | Jack Lin | Chuck |
DE102012101894A1 (de) * | 2012-03-06 | 2013-09-12 | Tkr Spezialwerkzeuge Gmbh | Werkzeugverbindung |
US9156097B2 (en) * | 2012-03-20 | 2015-10-13 | Milwaukee Electric Tool Corporation | Reciprocating saw blade clamp |
CN102729225B (zh) * | 2012-07-12 | 2015-04-08 | 南京德朔实业有限公司 | 一种快夹机构 |
EP2689895B1 (de) * | 2012-07-27 | 2017-03-08 | Black & Decker Inc. | Bohrkronenrückhaltevorrichtung |
DE102012216137A1 (de) * | 2012-09-12 | 2014-03-13 | Hilti Aktiengesellschaft | Handwerkzeugmaschine |
US9458890B1 (en) | 2012-12-20 | 2016-10-04 | Holmed, Llc | Square quick connect interface |
US9447803B1 (en) | 2012-12-20 | 2016-09-20 | Holmed, Llc | AO quick connect interface |
US20170036330A1 (en) * | 2014-04-22 | 2017-02-09 | Maxtech Consumer Products Limited | Quick-connect chuck mechanism for screwdriver bits and the like |
CN110732888B (zh) | 2018-07-20 | 2022-07-26 | 米沃奇电动工具公司 | 工具刀头夹持器 |
TWM594510U (zh) * | 2019-05-23 | 2020-05-01 | 鑽全實業股份有限公司 | 工具轉接頭快拆結構 |
US11305411B2 (en) * | 2019-09-23 | 2022-04-19 | Tien-I Industrial Co., Ltd. | Impact tool head assembling mechanism |
WO2021131495A1 (ja) * | 2019-12-26 | 2021-07-01 | 工機ホールディングス株式会社 | 回転工具 |
CN112943811B (zh) * | 2021-01-28 | 2024-05-03 | 田士军 | 牵引式播种机播种旋转动力传输与切断转换器 |
GB2624042A (en) * | 2022-11-07 | 2024-05-08 | Osl Cutting Tech Limited | A quick-locking tool holder adaptor for high torque power tools |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629375A (en) * | 1983-08-24 | 1986-12-16 | Wera Werk Hermann Werner Gmbh & Co. | Chuck for tool shanks, particularly screwdriver bits |
US20030025281A1 (en) * | 2001-08-06 | 2003-02-06 | Ryobi Ltd. | Tool holder |
WO2003018263A1 (de) * | 2001-08-25 | 2003-03-06 | Wera Werk Hermann Werner Gmbh & Co Kg | Spannfutter für werkzeuge, insbesondere schraubendreherbits |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3536132A1 (de) * | 1985-10-10 | 1987-04-16 | Bosch Gmbh Robert | Werkzeughalter |
DE3610749A1 (de) * | 1986-03-29 | 1987-10-01 | Helfer & Co Kg | Kraftantreibbarer schraubkopf |
FR2629376B1 (fr) * | 1988-04-01 | 1994-04-29 | Prospection & Inventions | Porte-outil de foreuse, en particulier pour foret avec ou sans rainure d'entrainement |
US5398946A (en) * | 1993-12-29 | 1995-03-21 | Poly-Tech Industries | Chuck having one-step lock and release |
DE19521993B4 (de) * | 1995-06-20 | 2009-04-09 | Robert Bosch Gmbh | Werkzeughalter und Werkzeug für eine Bohr- und/oder Schlagwerkzeugmaschine |
DE19604282A1 (de) * | 1996-02-07 | 1997-08-14 | Bosch Gmbh Robert | Werkzeughalter mit Aufnahme für verschiedene Werkzeugsysteme |
DE29703683U1 (de) * | 1997-02-28 | 1998-06-25 | Robert Bosch Gmbh, 70469 Stuttgart | Werkzeughalter für Bohr- und/oder Schlagwerkzeuge |
US6053675A (en) * | 1998-06-26 | 2000-04-25 | Black & Decker Inc. | Quick-acting tool bit holder |
GB9910599D0 (en) * | 1999-05-08 | 1999-07-07 | Black & Decker Inc | Rotary hammer |
DE10005910B4 (de) * | 2000-02-10 | 2005-10-13 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem auswechselbaren Werkzeughalter |
DE10044387A1 (de) * | 2000-09-08 | 2002-04-04 | Bosch Gmbh Robert | Werkzeughalterung für eine Handwerkzeugmaschine |
-
2003
- 2003-08-14 DE DE10337470A patent/DE10337470A1/de not_active Withdrawn
-
2004
- 2004-07-28 DE DE502004007348T patent/DE502004007348D1/de active Active
- 2004-07-28 EP EP04017796A patent/EP1506843B1/de not_active Expired - Fee Related
- 2004-08-11 US US10/710,893 patent/US7121774B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629375A (en) * | 1983-08-24 | 1986-12-16 | Wera Werk Hermann Werner Gmbh & Co. | Chuck for tool shanks, particularly screwdriver bits |
US20030025281A1 (en) * | 2001-08-06 | 2003-02-06 | Ryobi Ltd. | Tool holder |
WO2003018263A1 (de) * | 2001-08-25 | 2003-03-06 | Wera Werk Hermann Werner Gmbh & Co Kg | Spannfutter für werkzeuge, insbesondere schraubendreherbits |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8276483B2 (en) | 2007-08-01 | 2012-10-02 | Robert Bosch Gmbh | Hand-held power tool with a tool holder |
CN102794731A (zh) * | 2011-05-25 | 2012-11-28 | 喜利得股份公司 | 电动旋拧机 |
CN102794731B (zh) * | 2011-05-25 | 2016-06-08 | 喜利得股份公司 | 电动旋拧机 |
US9434057B2 (en) | 2011-05-25 | 2016-09-06 | Hilti Aktiengesellschaft | Electric screwdriver |
US11660681B2 (en) * | 2019-07-23 | 2023-05-30 | Makita Corporation | Tool-holding apparatus, impact driver, and electric work machine |
WO2022005929A1 (en) * | 2020-07-02 | 2022-01-06 | Milwaukee Electric Tool Corporation | Rotary impact tool having bit holding device |
US11685032B2 (en) | 2020-07-02 | 2023-06-27 | Milwaukee Electric Tool Corporation | Rotary impact tool having bit holding device |
Also Published As
Publication number | Publication date |
---|---|
EP1506843B1 (de) | 2008-06-11 |
US7121774B2 (en) | 2006-10-17 |
DE502004007348D1 (de) | 2008-07-24 |
DE10337470A1 (de) | 2005-03-17 |
US20050036844A1 (en) | 2005-02-17 |
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