EP1493537A1 - Elektrohandwerkzeugmaschine mit schwingungsentkoppelter Schlagwerksbaugruppe - Google Patents
Elektrohandwerkzeugmaschine mit schwingungsentkoppelter Schlagwerksbaugruppe Download PDFInfo
- Publication number
- EP1493537A1 EP1493537A1 EP03104222A EP03104222A EP1493537A1 EP 1493537 A1 EP1493537 A1 EP 1493537A1 EP 03104222 A EP03104222 A EP 03104222A EP 03104222 A EP03104222 A EP 03104222A EP 1493537 A1 EP1493537 A1 EP 1493537A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hand tool
- electric hand
- line bridge
- tool according
- bridge
- 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
- 238000009527 percussion Methods 0.000 title description 5
- 238000005452 bending Methods 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 4
- 238000004382 potting Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 abstract 1
- 229920001778 nylon Polymers 0.000 abstract 1
- 239000004952 Polyamide Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000695 excitation spectrum Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/24—Damping the reaction force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- 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
- B25F5/006—Vibration damping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/54—Plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/54—Plastics
- B25D2222/61—Polyamides, e.g. Nylon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/041—Cable management or routing of electrical cables and wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/091—Electrically-powered tool components
- B25D2250/095—Electric motors
Definitions
- the invention refers to an at least partially striking electric hand tool with a manageable housing and a vibration-decoupled Schlagtechniksbauou, in particular a chisel hammer.
- an electric handheld power tool has a housing Vibration-decoupled percussion unit, wherein the firmly connected to the housing Electric motor a limited along the axis of impact movable engagement in the Schlagtechniksbaury has.
- the electric motor is over in an electric hand tool long, freely suspended cables connected to the housing.
- Such a long, free hanging Cables have a very low bending stiffness due to their punctiform cross section and thus a low natural resonance with respect to flexural vibration modes, which can experience a resonant excitation in vibration, the material fatigue leads to failure.
- the object of the invention is to realize a vibration-decoupled Strike assembly with a low-fatigue power supply.
- an at least partially striking electric hand tool machine with a manageable housing and a vibration-decoupled percussion unit several electrical lines for electrical connection to the housing relatively limited movable percussion assembly, with the lines in a transverse arranged to the impact axis, bending flexible cable bridge are fixed vibration resistant.
- the line bridge a plurality of longitudinally spaced guide means for individually positive guidance of the line and to this definable, further advantageous clip-in, Fixing means, whereby the lines are fixable at discrete locations.
- the line bridge is oriented with respect to exactly one transverse to the impact axis Bending axis defined flexurally flexible and executed in the other bending stiff, further advantageous as a flat band, whereby transverse oscillations are suppressed.
- the line bridge made of plastic, further advantageous from unreinforced Polyamide, which on the viscoelastic behavior a high and fatigue-free Vibration damping takes place.
- the end of the line bridge is a longitudinally displaceable connector arranged, whereby in the vibration-resistant mounting an intrinsic stress-free Determination can be made with respect to the line bridge.
- a reibkraftschlüssige determination of the connector to the line bridge via an intermediate rib, causing the connector via a mounting screw both fixable and displaceable can be fixed.
- the line bridge cantilevered firmly on the electronics module connected, further advantageously glued to this over a potting compound, whereby the Line bridge is a pre-assembled part of the electronics module.
- the lines 5 are arranged with a transversely to the impact axis A arranged line bridge. 7 fixed against vibration, which cantilevered on one side firmly with an electronic assembly 12 is connected by being glued to this over a potting compound 13.
- One end the line bridge 7 arranged, vibration-mounted connector 10 connects the electronics assembly 12 electrically connected to the electric motor. 6
- the lines 5 are arranged in a direction transverse to the axis A, with respect exactly a bending axis B oriented transverse to the axis of impact A defines bending-flexible Conductor bridge 7 fixed against vibration.
- the bending flexibility is by a suitable Thickness of the line bridge 7 selected such that the first bending natural vibration as Ribbon made of polyamide conductor bridge 7 with respect to the bending axis B higher than 200 Hz.
- the conductor bridge 7 has a plurality of longitudinally spaced guide means 8 for individually positive guidance of the lines 5 and a clip-fixing means 9 laying down on. End of the line bridge 7 is along this in the area X.
- displaceable connector 10 is arranged, which via two intermediate ribs 11 frictionally engaged with the line bridge 7 is determined by the screws 14th vibration-proof to the electric motor 6 mounted connector 10 a compression bias builds on the ribs 11.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Portable Power Tools In General (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Harvester Elements (AREA)
Abstract
Description
Claims (7)
- Zumindest teilweise schlagende Elektrohandwerkzeugmaschine mit einem handhabbaren Gehäuse (3), einer dazu schwingungsentkoppelten Schlagwerksbaugruppe (4) und mit mehreren elektrischen Leitungen (5) zur elektrischen Verbindung der zum Gehäuse (3) relativ begrenzt beweglichen Schlagwerksbaugruppe (4), dadurch gekennzeichnet, dass die Leitungen (5) in einer quer zur Schlagachse (A) angeordneten, biegeflexiblen Leitungsbrücke (7) schwingungsfest fixiert sind.
- Elektrohandwerkzeugmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Leitungsbrücke (7) mehrere längs beabstandete Führungsmittel (8) zur einzeln formschlüssigen Führung der Leitung (5) sowie an diesen festlegbare, optional einclipsbare, Fixierungsmittel (9) aufweist.
- Elektrohandwerkzeugmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Leitungsbrücke (7) bezüglich genau einer, quer zur Schlagachse (A) orientierten, Biegeachse (B) definiert biegeflexibel ausgeführt ist.
- Elektrohandwerkzeugmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Leitungsbrücke (7) aus Kunststoff besteht.
- Elektrohandwerkzeugmaschine nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass endseitig der Leitungsbrücke (7) ein längs dieser versetzbarer Steckverbinder (10) angeordnet ist.
- Elektrohandwerkzeugmaschine nach Anspruch 5, dadurch gekennzeichnet, dass zwischen der Leitungsbrücke (7) und dem Steckverbinder (10) eine druckverspannbare Rippe (11) zur reibkraftschlüssigen Festlegung des Steckverbinders (10) an der Leitungsbrücke (7) angeordnet ist.
- Elektrohandwerkzeugmaschine nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Leitungsbrücke (7) einseitig auskragend fest mit einer Elektronikbaugruppe (12) verbunden ist und optional mit dieser über eine Vergussmasse (13) verklebt ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10254813A DE10254813A1 (de) | 2002-11-23 | 2002-11-23 | Elektrohandwerkzeugmaschine mit schwingungsentkoppelter Schlagwerksbaugruppe |
| DE10254813 | 2002-11-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1493537A1 true EP1493537A1 (de) | 2005-01-05 |
| EP1493537B1 EP1493537B1 (de) | 2007-01-03 |
Family
ID=32240357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03104222A Expired - Lifetime EP1493537B1 (de) | 2002-11-23 | 2003-11-17 | Elektrohandwerkzeugmaschine mit schwingungsentkoppelter Schlagwerksbaugruppe |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6948570B2 (de) |
| EP (1) | EP1493537B1 (de) |
| JP (1) | JP4542767B2 (de) |
| CN (1) | CN100335238C (de) |
| AT (1) | ATE350200T1 (de) |
| DE (2) | DE10254813A1 (de) |
| ES (1) | ES2278118T3 (de) |
| PL (1) | PL205189B1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066056A (zh) * | 2008-06-19 | 2011-05-18 | 株式会社牧田 | 作业工具 |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10259566A1 (de) * | 2002-12-19 | 2004-07-01 | Hilti Ag | Schlagende Elektrohandwerkzeugmaschine |
| DE10340178B3 (de) * | 2003-09-01 | 2005-04-07 | Hilti Ag | Elektrowerkzeug |
| DE102004041219A1 (de) * | 2004-08-26 | 2006-03-02 | Robert Bosch Gmbh | Handwerkzeugmaschinengriffvorrichtung mit einer Vibrationsabschirmeinheit |
| JP4647957B2 (ja) * | 2004-08-27 | 2011-03-09 | 株式会社マキタ | 作業工具 |
| DE602005007166D1 (de) * | 2004-12-23 | 2008-07-10 | Black & Decker Inc | Kraftwerkzeuggehäuse |
| DE602005007167D1 (de) * | 2004-12-23 | 2008-07-10 | Black & Decker Inc | Kraftwerkzeuggehäuse |
| EP1674213B1 (de) * | 2004-12-23 | 2008-10-01 | BLACK & DECKER INC. | Kraftwerkzeug mit Kühlvorrichtung |
| DE102005000161A1 (de) * | 2005-11-21 | 2007-05-24 | Hilti Ag | Handwerkzeuggerät mit geschäumter Verkabelung |
| JP4756473B2 (ja) * | 2006-07-20 | 2011-08-24 | 日立工機株式会社 | 電動工具 |
| DE102007000093A1 (de) * | 2007-02-15 | 2008-08-21 | Hilti Ag | Handwerkzeuggerät |
| DE102007057454A1 (de) * | 2007-11-29 | 2009-06-04 | Robert Bosch Gmbh | Handwerkzeugmaschine mit in einem Gehäuse verlaufenden Kabeln |
| DE102007055792A1 (de) * | 2007-12-13 | 2009-06-18 | Hilti Aktiengesellschaft | Elektrohandwerkzeugmaschine mit Schwingungsausgleicher |
| DE102007055843A1 (de) * | 2007-12-17 | 2009-06-25 | Hilti Aktiengesellschaft | Handwerkzeugmaschine mit Schwingungsausgleicher |
| US8196674B2 (en) | 2008-03-05 | 2012-06-12 | Makita Corporation | Impact tool |
| JP2011016201A (ja) * | 2009-07-10 | 2011-01-27 | Makita Corp | 電動工具 |
| JP5431045B2 (ja) * | 2009-07-13 | 2014-03-05 | 矢崎総業株式会社 | モーターケーブル装置 |
| JP2012254508A (ja) * | 2011-06-10 | 2012-12-27 | Makita Corp | 電動工具 |
| EP3213877B1 (de) * | 2014-10-29 | 2020-04-08 | Koki Holdings Co., Ltd. | Angetriebene arbeitsmaschine |
| EP3028821A1 (de) * | 2014-12-03 | 2016-06-08 | HILTI Aktiengesellschaft | Steuerungsverfahren für eine Handwerkzeugmaschine |
| DE102017213150A1 (de) * | 2017-07-31 | 2019-01-31 | Robert Bosch Gmbh | Elektrischer Steckkontakt für Hochstromanwendungen und Steckverbindersystem für Hochstromanwendungen |
| US10814468B2 (en) | 2017-10-20 | 2020-10-27 | Milwaukee Electric Tool Corporation | Percussion tool |
| CN214723936U (zh) | 2018-01-26 | 2021-11-16 | 米沃奇电动工具公司 | 冲击工具 |
| CN110549303A (zh) * | 2018-05-31 | 2019-12-10 | 苏州宝时得电动工具有限公司 | 冲击工具 |
| WO2020252350A1 (en) | 2019-06-12 | 2020-12-17 | Milwaukee Electric Tool Corporation | Rotary power tool |
| GB202203212D0 (en) * | 2022-03-08 | 2022-04-20 | Black & Decker Inc | A power tool |
| CN114603522B (zh) * | 2022-03-30 | 2025-05-23 | 武义智能制造产业技术研究院 | 一种手持式直流电动工具 |
| JP2024002721A (ja) * | 2022-06-24 | 2024-01-11 | 株式会社マキタ | 防振機構付き電動工具 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2154497A (en) * | 1984-02-18 | 1985-09-11 | Bosch Gmbh Robert | Hand machine tool, particularly hammer drill or percussion drill |
| EP0276313A1 (de) * | 1986-05-30 | 1988-08-03 | Fanuc Ltd. | Anordnung zur anlage von kabeln eines industriellen roboters |
| DE4000861A1 (de) * | 1990-01-13 | 1991-07-18 | Licentia Gmbh | Handgefuehrte elektrowerkzeugmaschine |
| JP2000254874A (ja) * | 1999-03-05 | 2000-09-19 | Hitachi Koki Co Ltd | 電動打撃工具の配線接続構造 |
| DE20109122U1 (de) * | 2001-05-31 | 2001-08-02 | Wacker-Werke GmbH & Co KG, 80809 München | Motorisch angetriebener Hammer mit einer gegen das Hammergehäuse abgefederten Schutzhaube |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58143181U (ja) * | 1982-03-19 | 1983-09-27 | 日立工機株式会社 | 振動工具の配線部品保持装置 |
| DE3521808A1 (de) * | 1985-06-19 | 1987-01-02 | Hilti Ag | Schwingungen erzeugendes handwerkzeug |
| JPH0317170U (de) * | 1989-06-26 | 1991-02-20 | ||
| JP2514704Y2 (ja) * | 1991-06-14 | 1996-10-23 | 日立工機株式会社 | 振動工具の配線部品保持装置 |
| JPH0811067A (ja) * | 1994-04-28 | 1996-01-16 | Hitachi Koki Co Ltd | 電動工具の配線接続構造 |
| JPH08309677A (ja) * | 1995-05-18 | 1996-11-26 | Hitachi Koki Co Ltd | 携帯用電動工具 |
| DE19646622B4 (de) * | 1996-11-12 | 2004-07-01 | Wacker Construction Equipment Ag | An einem Handgriff führbares Arbeitsgerät |
| JP3820762B2 (ja) * | 1998-08-12 | 2006-09-13 | 日立工機株式会社 | 電動工具 |
| DE10034359A1 (de) * | 2000-07-14 | 2002-01-24 | Hilti Ag | Schlagendes Elektrohandwerkzeuggerät |
| DE10137159A1 (de) * | 2001-07-30 | 2003-02-20 | Hilti Ag | Schlagendes Elektrohandwerkzeuggerät |
| DE10160864A1 (de) * | 2001-12-12 | 2003-06-26 | Hilti Ag | Axial schlagendes Elektrohandwerkzeuggerät |
-
2002
- 2002-11-23 DE DE10254813A patent/DE10254813A1/de not_active Withdrawn
-
2003
- 2003-11-17 DE DE50306187T patent/DE50306187D1/de not_active Expired - Lifetime
- 2003-11-17 EP EP03104222A patent/EP1493537B1/de not_active Expired - Lifetime
- 2003-11-17 AT AT03104222T patent/ATE350200T1/de not_active IP Right Cessation
- 2003-11-17 ES ES03104222T patent/ES2278118T3/es not_active Expired - Lifetime
- 2003-11-18 CN CNB2003101164180A patent/CN100335238C/zh not_active Expired - Lifetime
- 2003-11-19 PL PL363560A patent/PL205189B1/pl not_active IP Right Cessation
- 2003-11-20 US US10/718,178 patent/US6948570B2/en not_active Expired - Lifetime
- 2003-11-25 JP JP2003394110A patent/JP4542767B2/ja not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2154497A (en) * | 1984-02-18 | 1985-09-11 | Bosch Gmbh Robert | Hand machine tool, particularly hammer drill or percussion drill |
| EP0276313A1 (de) * | 1986-05-30 | 1988-08-03 | Fanuc Ltd. | Anordnung zur anlage von kabeln eines industriellen roboters |
| DE4000861A1 (de) * | 1990-01-13 | 1991-07-18 | Licentia Gmbh | Handgefuehrte elektrowerkzeugmaschine |
| JP2000254874A (ja) * | 1999-03-05 | 2000-09-19 | Hitachi Koki Co Ltd | 電動打撃工具の配線接続構造 |
| DE20109122U1 (de) * | 2001-05-31 | 2001-08-02 | Wacker-Werke GmbH & Co KG, 80809 München | Motorisch angetriebener Hammer mit einer gegen das Hammergehäuse abgefederten Schutzhaube |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066056A (zh) * | 2008-06-19 | 2011-05-18 | 株式会社牧田 | 作业工具 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004174710A (ja) | 2004-06-24 |
| JP4542767B2 (ja) | 2010-09-15 |
| US6948570B2 (en) | 2005-09-27 |
| CN1502450A (zh) | 2004-06-09 |
| PL205189B1 (pl) | 2010-03-31 |
| CN100335238C (zh) | 2007-09-05 |
| DE50306187D1 (de) | 2007-02-15 |
| DE10254813A1 (de) | 2004-06-03 |
| US20040108124A1 (en) | 2004-06-10 |
| ATE350200T1 (de) | 2007-01-15 |
| PL363560A1 (en) | 2004-05-31 |
| EP1493537B1 (de) | 2007-01-03 |
| ES2278118T3 (es) | 2007-08-01 |
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