EP1302281A1 - Kühlluftleitung für ein Elektrohandwerkzeuggerät mit elektropneumatischem Schlagwerk - Google Patents
Kühlluftleitung für ein Elektrohandwerkzeuggerät mit elektropneumatischem Schlagwerk Download PDFInfo
- Publication number
- EP1302281A1 EP1302281A1 EP01811005A EP01811005A EP1302281A1 EP 1302281 A1 EP1302281 A1 EP 1302281A1 EP 01811005 A EP01811005 A EP 01811005A EP 01811005 A EP01811005 A EP 01811005A EP 1302281 A1 EP1302281 A1 EP 1302281A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- striking
- cooling air
- air
- hand tool
- 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
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/20—Devices for cleaning or cooling tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
- B25D2211/003—Crossed drill and motor spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
- B25D2217/0061—Details related to cleaning or cooling the tool or workpiece related to cooling
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S173/00—Tool driving or impacting
- Y10S173/02—Sound muffling
Definitions
- the invention relates to an at least partially striking electric hand tool device, such as a hammer drill, combination and chisel hammer, with electro-pneumatic hammer mechanism preferably for striking abrasive removal of rock.
- electric hand tool device such as a hammer drill, combination and chisel hammer
- electro-pneumatic hammer mechanism preferably for striking abrasive removal of rock.
- Such handheld power tools generate from electrical energy by means of an electric motor and more suitable mechanical transformation an axial, swinging swinging and optional additional a superimposed rotating movement, which one for appropriate use Tool is transferred non-positively and positively.
- DE3205063A1 cool electric hand tools by means of one Cooling fan of the electric motor through cooling air drawn in through air openings in the housing, which by the pneumatic striking mechanism and by cavities between the Percussion mechanism assembly and the machine housing is pressed, also the percussion mechanism.
- DE19600339C1 forms a striking hand tool between the Outer housing and the components of the drive and gearbox different air ducts out.
- a movable guide tube is a striking Hand tool device thermally insulated via an air gap to the outer housing.
- a striking hand tool device has a Percussion mechanism assembly, which is mounted within the vibration-damped External housing with the handle attached to it can be moved separately.
- the object of the invention is to implement a well-cooled, in Outer housing vibration-dampened movable striking mechanism Electric power tool.
- it has an at least partially striking electric hand tool device an electropneumatic striking mechanism in a striking mechanism assembly, which in a Vents for a cooling fan, outer housing vibration-damped is movable, at least one cooling air line attached to the striking mechanism assembly Cooling fan on.
- the end of the cooling air line is advantageously at least one, essentially annular Cooling, air flow-conducting cooling ring connected, whereby the striking mechanism in the is essentially uniformly coolable.
- the cooling ring advantageously has circumferentially distributed ring openings, as a result of which the Air openings in the outer housing in the cooling ring flowing cooling air flow circumferentially is distributed.
- FIG. 1 shows the electric hand tool device 1 striking along an axis A.
- the cooling air line 7 has an annularly cooling airflow-conducting cooling ring 8 at the end connected, which is attached near a gas spring 9 of the striking mechanism 2.
- the cooling ring 8 has circumferentially distributed rim openings 10 which close to the air openings 4 in the Outer housing 6 are arranged, through which the air flow 11 via the cooling air line 7 to the electric motor 12, further to the cooling fan 5 and behind this to the Air outlet openings 13 located in the outer housing 6 without there being a backflow 14 can lead to an air short circuit.
- the cooling ring 8 is mounted concentrically on the striking mechanism assembly 3 circumferentially distributed rim openings 10, which are connected to the Cooling air line 7 are connected.
- the air flow 11 passes through the ring openings 10 spatially assigned, air openings 4 in the outer housing 6 into the cooling air line 7.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims (3)
- Elektrohandwerkzeuggerät mit einem zumindest teilweise schlagenden elektropneumatischen Schlagwerk (2) in einer Schlagwerksbaugruppe (3), welches in einem, Luftöffnungen (4) für ein Kühlgebläse (5) aufweisenden, Aussengehäuse (6) vibrationsgedämpft beweglich ist, dadurch gekennzeichnet, dass an der Schlagwerksbaugruppe (3) zumindest eine Kühlluftleitung (7) zum Kühlgebläse (5) befestigt ist.
- Elektrohandwerkzeuggerät nach Anspruch 1, dadurch gekennzeichnet, dass die Kühlluftleitung (7) endseitig mit zumindest einem, im wesentlichen ringförmig kühlenden, luftstromleitenden Kühlkranz (8) verbunden ist.
- Elektrohandwerkzeuggerät nach Anspruch 1, dadurch gekennzeichnet, dass der Kühlkranz (8) umfänglich verteilte Kranzöffnungen (10) aufweist.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50112450T DE50112450D1 (de) | 2001-10-15 | 2001-10-15 | Kühlluftleitung für ein Elektrohandwerkzeuggerät mit elektropneumatischem Schlagwerk |
EP01811005A EP1302281B1 (de) | 2001-10-15 | 2001-10-15 | Kühlluftleitung für ein Elektrohandwerkzeuggerät mit elektropneumatischem Schlagwerk |
AT01811005T ATE361182T1 (de) | 2001-10-15 | 2001-10-15 | Kühlluftleitung für ein elektrohandwerkzeuggerät mit elektropneumatischem schlagwerk |
CN02146822.2A CN1411959A (zh) | 2001-10-15 | 2002-10-11 | 具有电风动冲击工具的手持电动工具机 |
PL356629A PL203191B1 (pl) | 2001-10-15 | 2002-10-14 | Urządzenie ręczne z elektrycznie napędzanym narzędziem i elektropneumatycznym mechanizmem uderzeniowym |
JP2002300498A JP2003165073A (ja) | 2001-10-15 | 2002-10-15 | 電動手工具装置 |
US10/270,940 US6776245B2 (en) | 2001-10-15 | 2002-10-15 | Electrical hand-held power tool with an electropneumatic percussion mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01811005A EP1302281B1 (de) | 2001-10-15 | 2001-10-15 | Kühlluftleitung für ein Elektrohandwerkzeuggerät mit elektropneumatischem Schlagwerk |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1302281A1 true EP1302281A1 (de) | 2003-04-16 |
EP1302281B1 EP1302281B1 (de) | 2007-05-02 |
Family
ID=8184189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01811005A Expired - Lifetime EP1302281B1 (de) | 2001-10-15 | 2001-10-15 | Kühlluftleitung für ein Elektrohandwerkzeuggerät mit elektropneumatischem Schlagwerk |
Country Status (7)
Country | Link |
---|---|
US (1) | US6776245B2 (de) |
EP (1) | EP1302281B1 (de) |
JP (1) | JP2003165073A (de) |
CN (1) | CN1411959A (de) |
AT (1) | ATE361182T1 (de) |
DE (1) | DE50112450D1 (de) |
PL (1) | PL203191B1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1491296A1 (de) * | 2003-06-12 | 2004-12-29 | HILTI Aktiengesellschaft | Verbindungselement |
EP1637288A1 (de) | 2004-09-16 | 2006-03-22 | HILTI Aktiengesellschaft | Vibrationsgedämpftes Elektrohandwerkzeug |
DE102004047606A1 (de) * | 2004-09-30 | 2006-04-06 | Hilti Ag | Bohr- und/oder Meisselhammer |
WO2011047959A1 (de) * | 2009-10-19 | 2011-04-28 | Robert Bosch Gmbh | Werkzeugmaschine und verfahren zur kühlung einer werkzeugmaschine |
US11897112B2 (en) | 2020-11-03 | 2024-02-13 | Ingersoll-Rand Industrial U.S., Inc. | Power tool with fan duct for printed circuit board |
US11919141B2 (en) | 2019-08-27 | 2024-03-05 | Ingersoll-Rand Industrial U.S., Inc. | Tool with wireless switch |
US11931878B2 (en) | 2019-08-27 | 2024-03-19 | Ingersoll-Rand Industrial U.S., Inc. | Quick change auxiliary handle for power tool |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8047302B2 (en) * | 2001-12-21 | 2011-11-01 | Wacker Neuson Produktion GmbH & Co. KG | Drilling and/or striking hammer with a lubricating device |
GB2385017B (en) * | 2002-02-08 | 2005-06-29 | Black & Decker Inc | Drilling and/or hammering tool |
DE10302089B3 (de) * | 2003-01-17 | 2004-10-14 | Hilti Ag | Schlagende Elektrohandwerkzeugmaschine mit einem Piezoaktor |
NZ547208A (en) * | 2003-10-28 | 2009-10-30 | Ibex Ind Ltd | Powered hand tool |
DE10357758A1 (de) * | 2003-12-10 | 2005-07-21 | Wacker Construction Equipment Ag | Aufbruch- und/oder Bohrhammer mit linear geführter Griffeinrichtung |
DE102004029220B4 (de) * | 2004-06-16 | 2006-03-23 | Hilti Ag | Handwerkzeuggerät mit Staubabsaugmodul |
DE102004058696A1 (de) * | 2004-12-06 | 2006-06-08 | Hilti Ag | Elektrowerkzeuggerät |
EP1674212B1 (de) * | 2004-12-23 | 2008-05-28 | BLACK & DECKER INC. | Kraftwerkzeuggehäuse |
EP1674211A1 (de) * | 2004-12-23 | 2006-06-28 | BLACK & DECKER INC. | Gehäuse für ein kraftgetriebenes Werkzeug |
ATE396841T1 (de) * | 2004-12-23 | 2008-06-15 | Black & Decker Inc | Kraftwerkzeuggehäuse |
EP1674213B1 (de) * | 2004-12-23 | 2008-10-01 | BLACK & DECKER INC. | Kraftwerkzeug mit Kühlvorrichtung |
GB0428210D0 (en) * | 2004-12-23 | 2005-01-26 | Black & Decker Inc | Mode change mechanism |
DE102005007546A1 (de) * | 2005-02-18 | 2006-08-24 | Robert Bosch Gmbh | Elektrowerkzeugmaschine |
DE102005007545B4 (de) * | 2005-02-18 | 2019-01-31 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Kühlung einer Elektronik |
JP4742613B2 (ja) * | 2005-02-24 | 2011-08-10 | マックス株式会社 | ドリル工具 |
DE102005000018A1 (de) * | 2005-03-07 | 2006-09-14 | Hilti Ag | Vorsatzgerät |
DE102005047353A1 (de) * | 2005-10-04 | 2007-04-05 | Robert Bosch Gmbh | Elektrowerkzeugmaschine |
DE102005052428B4 (de) * | 2005-11-03 | 2015-06-18 | Robert Bosch Gmbh | Elektrowerkzeugmaschine |
DE102006000162A1 (de) * | 2006-04-06 | 2007-10-11 | Hilti Ag | Elektrohandwerkzeugmaschine mit internem Kühlgebläse |
DE102006000209A1 (de) * | 2006-05-05 | 2007-11-15 | Hilti Ag | Handwerkzeugmaschine mit Schlagwerkzeugaufnahme |
DE102006000253A1 (de) * | 2006-05-30 | 2007-12-06 | Hilti Ag | Schlagende Handwerkzeugmaschine mit axial beweglich gelagertem Schlagwerk |
DE102006061627A1 (de) * | 2006-12-27 | 2008-07-10 | Robert Bosch Gmbh | Schlagwerk einer Elektrohandwerkzeugmaschine |
DE102007000290A1 (de) * | 2007-05-24 | 2008-11-27 | Hilti Aktiengesellschaft | Elektrisches Handwerkzeuggerät mit Elektronikkühlung |
JP5013314B2 (ja) * | 2007-06-18 | 2012-08-29 | 日立工機株式会社 | 電動工具 |
US7806201B2 (en) * | 2007-07-24 | 2010-10-05 | Makita Corporation | Power tool with dynamic vibration damping |
JP5128390B2 (ja) * | 2008-07-03 | 2013-01-23 | 株式会社マキタ | ハンマードリル |
JP5416397B2 (ja) * | 2008-12-19 | 2014-02-12 | 株式会社マキタ | 作業工具 |
JP5361504B2 (ja) * | 2009-04-10 | 2013-12-04 | 株式会社マキタ | 打撃工具 |
DE102010031274B4 (de) * | 2009-12-18 | 2023-06-22 | Robert Bosch Gmbh | Handwerkzeugmaschine mit Kühlung des Getriebes |
JP5428848B2 (ja) * | 2009-12-25 | 2014-02-26 | 日立工機株式会社 | 電動工具 |
JP5502458B2 (ja) | 2009-12-25 | 2014-05-28 | 株式会社マキタ | 打撃工具 |
DE102010004724A1 (de) * | 2010-01-15 | 2011-07-21 | Wacker Neuson SE, 80809 | Bohr- und/oder Schlaghammer mit Kühlung von Gerätekomponenten |
DE102010004723A1 (de) * | 2010-01-15 | 2011-07-21 | Wacker Neuson SE, 80809 | Bohr- und/oder Schlaghammer mit Freikonvektions-Kühlung |
JP5496812B2 (ja) * | 2010-08-03 | 2014-05-21 | 株式会社マキタ | 作業工具 |
US20130333228A1 (en) * | 2011-02-28 | 2013-12-19 | Makita Corporation | Cutting tool |
US8348727B2 (en) * | 2011-05-26 | 2013-01-08 | Black & Decker Inc. | Airflow arrangement for a power tool |
FR2979562B1 (fr) * | 2011-09-02 | 2013-09-20 | Mbh Dev | Dispositif a moteur electrique avec circuit de refroidissement integre pour la commande d'outils |
DE102013204985A1 (de) * | 2013-03-21 | 2014-10-09 | Robert Bosch Gmbh | Handwerkzeugmaschine |
JP6085225B2 (ja) | 2013-06-27 | 2017-02-22 | 株式会社マキタ | ネジ締め電動工具 |
EP2848370A1 (de) | 2013-09-12 | 2015-03-18 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
USD725981S1 (en) | 2013-10-29 | 2015-04-07 | Black & Decker Inc. | Screwdriver with nosepiece |
US20150151424A1 (en) | 2013-10-29 | 2015-06-04 | Black & Decker Inc. | Power tool with ergonomic handgrip |
EP3074184A2 (de) * | 2013-11-26 | 2016-10-05 | Hitachi Koki Co., Ltd. | Elektrisches werkzeug |
JP6258093B2 (ja) * | 2014-03-24 | 2018-01-10 | 株式会社マキタ | 打撃工具 |
US11167403B2 (en) * | 2014-08-29 | 2021-11-09 | Koki Holdings Co., Ltd. | Electric working machine |
DE102015226085A1 (de) * | 2015-12-18 | 2017-06-22 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einer Schalteinheit |
CN213259295U (zh) | 2017-10-20 | 2021-05-25 | 米沃奇电动工具公司 | 用于通过凿子在工件上执行开凿操作的冲击工具 |
EP4349534A3 (de) | 2018-01-26 | 2024-07-17 | Milwaukee Electric Tool Corporation | Schlagwerkzeug |
JP7229807B2 (ja) * | 2019-02-21 | 2023-02-28 | 株式会社マキタ | 電動工具 |
US11845168B2 (en) * | 2019-11-01 | 2023-12-19 | Makita Corporation | Reciprocating tool |
GB2619018A (en) * | 2022-05-23 | 2023-11-29 | Black & Decker Inc | Power tool |
EP4331775A1 (de) * | 2022-08-29 | 2024-03-06 | Hilti Aktiengesellschaft | Werkzeugmaschine mit einer abschotteinrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19600339C1 (de) * | 1996-01-08 | 1996-12-19 | Kress Elektrik Gmbh & Co | Handwerkzeug |
DE19626254A1 (de) * | 1996-06-29 | 1998-01-08 | Bosch Gmbh Robert | Elektrohandwerkzeugmaschine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2155082A (en) * | 1937-03-23 | 1939-04-18 | Black & Decker Mfg Co | Portable electric tool and casing |
US2517882A (en) * | 1947-08-11 | 1950-08-08 | Johnson Moses | Illuminated hand held motor tool |
US2456571A (en) * | 1947-09-13 | 1948-12-14 | Singer Mfg Co | Portable electric tool |
NL8801466A (nl) * | 1988-06-07 | 1990-01-02 | Emerson Electric Co | Inrichting voor het aandrijven van een boor- en/of slaggereedschap. |
DE3824234A1 (de) * | 1988-07-16 | 1990-01-25 | Bosch Gmbh Robert | Handwerkzeugmaschine mit durchzugsbelueftetem antriebsmotor |
DE19839963A1 (de) * | 1998-09-02 | 2000-03-09 | Hilti Ag | Elektrowerkzeug |
JP2000153473A (ja) * | 1998-11-19 | 2000-06-06 | Makita Corp | 打撃工具 |
DE19924552A1 (de) * | 1999-05-28 | 2000-11-30 | Hilti Ag | Elektrisch betreibbares Handgerät |
-
2001
- 2001-10-15 DE DE50112450T patent/DE50112450D1/de not_active Expired - Lifetime
- 2001-10-15 AT AT01811005T patent/ATE361182T1/de not_active IP Right Cessation
- 2001-10-15 EP EP01811005A patent/EP1302281B1/de not_active Expired - Lifetime
-
2002
- 2002-10-11 CN CN02146822.2A patent/CN1411959A/zh active Pending
- 2002-10-14 PL PL356629A patent/PL203191B1/pl unknown
- 2002-10-15 US US10/270,940 patent/US6776245B2/en not_active Expired - Lifetime
- 2002-10-15 JP JP2002300498A patent/JP2003165073A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19600339C1 (de) * | 1996-01-08 | 1996-12-19 | Kress Elektrik Gmbh & Co | Handwerkzeug |
DE19626254A1 (de) * | 1996-06-29 | 1998-01-08 | Bosch Gmbh Robert | Elektrohandwerkzeugmaschine |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1491296A1 (de) * | 2003-06-12 | 2004-12-29 | HILTI Aktiengesellschaft | Verbindungselement |
EP1637288A1 (de) | 2004-09-16 | 2006-03-22 | HILTI Aktiengesellschaft | Vibrationsgedämpftes Elektrohandwerkzeug |
DE102004047606A1 (de) * | 2004-09-30 | 2006-04-06 | Hilti Ag | Bohr- und/oder Meisselhammer |
WO2011047959A1 (de) * | 2009-10-19 | 2011-04-28 | Robert Bosch Gmbh | Werkzeugmaschine und verfahren zur kühlung einer werkzeugmaschine |
CN102596512A (zh) * | 2009-10-19 | 2012-07-18 | 罗伯特·博世有限公司 | 工具机和用于工具机的散热的方法 |
US11919141B2 (en) | 2019-08-27 | 2024-03-05 | Ingersoll-Rand Industrial U.S., Inc. | Tool with wireless switch |
US11931878B2 (en) | 2019-08-27 | 2024-03-19 | Ingersoll-Rand Industrial U.S., Inc. | Quick change auxiliary handle for power tool |
US11897112B2 (en) | 2020-11-03 | 2024-02-13 | Ingersoll-Rand Industrial U.S., Inc. | Power tool with fan duct for printed circuit board |
Also Published As
Publication number | Publication date |
---|---|
EP1302281B1 (de) | 2007-05-02 |
US6776245B2 (en) | 2004-08-17 |
DE50112450D1 (de) | 2007-06-14 |
US20030070823A1 (en) | 2003-04-17 |
PL203191B1 (pl) | 2009-09-30 |
JP2003165073A (ja) | 2003-06-10 |
ATE361182T1 (de) | 2007-05-15 |
CN1411959A (zh) | 2003-04-23 |
PL356629A1 (en) | 2003-04-22 |
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