WO2005062322A1 - Schalter für eine elektrowerkzeugmaschine - Google Patents
Schalter für eine elektrowerkzeugmaschine Download PDFInfo
- Publication number
- WO2005062322A1 WO2005062322A1 PCT/EP2004/052873 EP2004052873W WO2005062322A1 WO 2005062322 A1 WO2005062322 A1 WO 2005062322A1 EP 2004052873 W EP2004052873 W EP 2004052873W WO 2005062322 A1 WO2005062322 A1 WO 2005062322A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switch
- actuating device
- supply unit
- designed
- switching means
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
-
- 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
- B25F5/02—Construction of casings, bodies or handles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
- H01R13/7036—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
Definitions
- the invention relates to an electric machine tool according to the preamble of claim 1.
- Battery-operated power tools generally have an insertion end for a battery pack, which on the one hand contains electrical contacts and on the other hand has a locking system with mechanical locking.
- An electrical switch which is actuated by a switching means, is used to switch the power tool on and off. In order not to have to permanently actuate the switching device during work, it can be locked in the on position at which the switch is switched on. After releasing the lock, the switch usually snaps back into the off position, in which the switch is switched off. When changing the battery pack, the switching device may accidentally remain locked in the on position and when the charged NEN battery blocks undesirably starts the power tool.
- the invention is based on an electric machine tool with a supply unit, which can be removed on the device, for the electrical voltage supply, with an at least indirectly actuatable switch for switching an electrical drive machine on and off.
- a decoupling device is provided for decoupling the switch and a switching means that actuates the switch at least indirectly.
- the decoupling device is designed and / or designed accordingly. Switches and switching means can be set or operated independently of one another.
- the decoupling device When the supply unit is removed and when the switching means is locked in an on position and in which the switch can be switched on in normal operation, the decoupling device is preferably provided for forcibly switching off the switch.
- the decoupling device preferably comprises at least one spring element. If the switching means is operatively connected to the spring element, which, when the switching means is locked in the on position, switches the switch off when the supply unit is removed, simple and reliable handling is possible. The normal operating state can be restored by forcibly unlocking the switching means from the on position and by switching the switching means off. An unwanted start the power tool when coupling the supply unit can be effectively prevented.
- the supply unit is preferably a battery pack or a battery pack. The operational safety of an electric machine tool with lockable switching means is increased.
- the invention is particularly suitable for power machine tools in which the switching means can be locked in the on position during operation.
- At least one blocking means is provided for blocking a coupling to the supply unit when the switching means are in the on position and the switch is switched off. Incorrect operation is reliably avoided.
- the supply unit cannot supply the switch with electrical power as long as the blocking means is in the blocking position. The operator must first bring the switching means into an off position before the supply unit can be completely inserted into the power tool again and the switch with the switching means can be switched on.
- an actuating device is arranged between the switching means and the switch and comprises at least a part of the decoupling device, this can actuate the switch on a case-by-case basis or block coupling of the supply unit without requiring additional components.
- Arrangement can be compact and is safe to use. It is particularly advantageous if the actuating device comprises the at least one blocking means. Particularly safe handling is made possible. If the supply unit has an angled neck which is operatively connected to the actuating device, it can be ensured when removing the supply unit that the actuating device can disengage from the switch.
- the actuating device can be disengaged in a simple manner by rotating the second leg brought to the switch.
- the actuating device can be released from a switch button of the switch, while when turning back the second leg abuts the switch button and can no longer engage with it until the switching element is in the off position and in normal operation for switching on again in the on position is brought.
- the actuating device is connected to a tension spring which pulls the actuating device out of engagement and keeps it out of engagement until the switching means is brought into the off position. To switch on the power tool, the switching means is brought back into the on position.
- the actuating device can be easily rotated when the supply unit is removed, for example by sliding the nose over a lever and pivoting it. If, according to a second exemplary embodiment, the actuating device has a recess, the spring element being provided to disengage the recess from a switching lever of the switch, it can interact with a switching lever of the switch and switch the switch on and off. The actuating device blocks coupling of the supply unit until the switching means is switched off and on again.
- FIG. 1 shows a section of an arrangement according to the invention according to a first embodiment with an actuating device with a swivel joint
- FIG. 2 shows a section of an arrangement according to the invention according to a second embodiment with an actuating device with a tension spring
- Fig. 3 shows a detail of an arrangement according to the invention according to a third embodiment with an actuator with a swivel and angled end piece.
- FIG. 1 shows schematically a section of an electric machine tool according to a first embodiment of the invention.
- a supply unit 32 which is arranged in a housing 10 and can be removed on the device side and is designed as a battery block, serves for the electrical voltage supply of an electric drive machine, not shown.
- the supply unit 32 which is designed as a battery block, has an angled neck 34 which points towards a switch 14 and has electrical contact means 40, for example plug sockets.
- the switch 14 is connected to corresponding electrical contact means 38, for example plugs, which can be inserted into the sockets.
- the drive machine When the supply unit 32 is plugged in, the drive machine is switched on and off by the switch 14 in that an actuating device 20 designed as an adjusting slide presses a switch button 18 of the switch 14. If the switch button 18 is released, a compression spring 16 presses the switch button 18 outwards and automatically switches off the switch 14.
- an actuating device 20 designed as an adjusting slide presses a switch button 18 of the switch 14. If the switch button 18 is released, a compression spring 16 presses the switch button 18 outwards and automatically switches off the switch 14.
- the actuating device 20, which is designed as an adjusting slide, is formed in two parts and comprises a first sight. kel 30 and a second leg 22.
- the first leg 30 is connected to the second leg 22 by a rotary joint 52 which has a spring element 24 formed as a compression spring.
- the swivel joint 52 allows the second shank 22 to be rotated relative to the first shank 30 about a longitudinal axis 54.
- the swivel joint 52 and the spring element 24 form a decoupling device 58 with which a switching means 26 and the switch 14 can be decoupled, so that the switch 14 can be switched off, although the switching means 26 is locked in the on position.
- the spring element 24 designed as a torsion spring causes the second leg 22 to return to its starting position after a twisting process.
- the lower area of the second leg 22, which engages behind the switch button 18, has a space-oblique surface 42, due to which the second leg 22 rotates with respect to the first leg 30 as soon as a force acts in a switch-on direction indicated by an arrow and the second leg 22 is not correspondingly supported on a corresponding surface of the neck 34 of the supply unit 32.
- the second leg 22 When the supply unit 32 is inserted, the second leg 22 is supported on the neck 34 of the supply unit 32, as a result of which rotation of the second leg 22 with respect to the first leg 30 is blocked.
- the actuating device 20 designed as an adjusting slide can be moved forward in the direction of the arrow by means of the switching means 26 designed as a switching button. Via a driver 44, which engages in a recess 46 of the actuating device 20, the actuating device 20 is carried along and the switch
- the switching means 26 designed as a switch button can be locked in the on position by hooking a locking lug 28 into a corresponding recess 12 in the housing.
- the second leg 22 of the actuating device 20 pivots to the side due to the spring force of the spring element 24 designed as a torsion spring and the space-inclined surface 42 at the end of the second leg 22 (upward in the figure).
- the switch 14 switches off automatically by the compression spring 16 pushing the switch button 18 outwards.
- the renewed coupling of the supply unit 32 is prevented by the pivoted away second leg 22 of the actuating device 20 designed as an adjusting slide, the sloping surface 42 forming a blocking means 56, which prevents the switch 14 from being energized and additionally prevents the supply unit 32 from being pushed in.
- the supply unit 32 can only be inserted and coupled again when the switching means 26 has been moved from the on position to the off position.
- the switching means 26 designed as a switch button In order to bring the second leg 22 back into its starting position and to enable the supply unit 32 to be fully coupled, the switching means 26 designed as a switch button must be manually brought into the off position. With the switching means 26 designed as a switch button in the off position, the second leg 22 arrives due to the spring force of the spring element 24 designed as a torsion spring back to its starting position, in which it engages behind the switch button 18 of the switch 14. The supply unit 32 can be inserted in this position. When switched on, the actuating device 20, which is designed as an adjusting slide, is supported on the neck 34 of the supply unit 32.
- FIG. 2 shows schematically a section of an electric machine tool according to a second embodiment of the invention.
- a supply unit 132 which is arranged in a housing 110 and can be removed on the device side and is designed as a battery block, serves for the electrical voltage supply of an electric drive machine, not shown.
- the supply unit 132 designed as a battery block has a neck 134 pointing towards a switch 114, which has an inclined surface 130 on its end facing the switch 114.
- Electrical contact means 140 for example plug sockets, are arranged on the supply unit 132 designed as a battery block.
- the switch 114 is connected to corresponding electrical contact means 138, for example plugs, which can be inserted into the sockets.
- the drive machine When the supply unit 132 is plugged in, the drive machine is switched on and off by the switch 114, in that an actuating device 120 designed as an adjusting slide, which can be displaced via an indentation 144 of a switching means 126 designed as a switching button, acts on a switching lever 118 of the switch 114.
- an actuating device 120 designed as an adjusting slide, which can be displaced via an indentation 144 of a switching means 126 designed as a switching button, acts on a switching lever 118 of the switch 114.
- To move the switching means 126, which is designed as a switching button it is guided in a recess 148 in a guide element 150 essentially parallel to the housing 110.
- a Compression spring 116 automatically pushes the shift lever 118 into an off position (to the right in the figure) as soon as the shift lever 118 is not pressed into the on position (to the left in the figure).
- the switch 114 can be held in the on position by hanging a locking lug 128 of the switching means 126 designed as a switch button in a recess 112 in the housing 110.
- the actuating device 120 which is designed as an adjusting slide, has an indentation 144, in which a shift lever 122 engages. In the vicinity of the indentation 144, the actuating device 120 designed as an adjusting slide is connected to the housing 110 with a spring element 124 designed as a tension spring.
- the indentation 144 and the spring element 124 form a decoupling device 158, with which the switching means 126 and the switch 114 can be decoupled, so that the switch 114 can be switched off, although the switching means 126 is locked in the on position.
- the actuating device 120 designed as an adjusting slide is supported on the neck 134 of the supply unit 132, the actuating device 120 designed as an adjusting slide resting on the neck 134, so that the actuating device 120 designed as an adjusting slide is oriented essentially parallel to the housing 110 , This shifts the shift lever 118 to the on position.
- the switching means 126 designed as a switch button can be locked by hanging the locking lug 128 into the recess 112.
- the compression spring 116 moves the shift lever 118 into the off position, while at the same time the actuating device 120, which is designed as an adjusting slide, and the like Switching means 126 designed as a switching button pulls into the off position (to the right in the figure).
- the spring element 124 which is designed as a tension spring, pulls the actuating device 120, which is designed as an adjusting slide, downward in the direction of the housing 110, the switching lever 118 disengaging and being tilted into the off position by the compression spring 116.
- the switching means 126 designed as a switch button remains in the on position. Coupling the supply unit 132 is now not possible because its insertion end is blocked by the actuating device 120 designed as an adjusting slide.
- the end piece of the actuating device 120 with an inclined surface 142 forms a blocking means 156 which prevents the switch 114 from being energized and additionally blocks the insertion of the supply unit 132 as long as the actuating device 120 does not rest on the neck 134.
- the supply unit 132 can only be inserted and coupled again when the switching means 126 has been moved from the on position to the off position.
- the switching means 126 which is designed as a switch button
- the actuating device 120 is first pushed into a guide element 150 in the off position (to the right in the figure), the actuating device 120 also being displaced via a driver 146 , The indentation 144 on the actuating device 120, which is designed as an adjusting slide, and the shift lever 118 come into congruence.
- the beta designed as an adjusting slide cleaning device 120 over corresponding inclined surfaces 130, 142 on the neck 134 and at the end piece of the actuating device 120 designed as an adjusting slide against the spring force of the spring element 124 designed as a tension spring in the direction of the switch 114.
- the shift lever 118 and the indentation 144 engage.
- the switch 114 can now be switched on with the switching means 126 designed as a switch button.
- FIG. 3 schematically shows a section of an electric machine tool according to a third exemplary embodiment of the invention.
- a supply unit 232 which is arranged in a housing 210 and can be removed on the device side and is designed as a battery block, serves for the electrical voltage supply of an electric drive machine, not shown.
- the battery block designed as the supply unit 232 has a neck 234 which projects towards the switch 214 and which projects at an angle and has a nose 236 which points downwards to the housing 210.
- Electrical contact means 240 for example plug sockets, are also provided.
- the switch 214 is connected to corresponding electrical contact means 238, for example plugs, which can be inserted into the sockets.
- the actuating device 220 which is designed as an adjusting slide, is constructed in two parts and comprises a first leg 230 and a second leg 222.
- the first leg 230 is connected to the second leg 222 by a swivel joint 252, which has a spring element 224 designed as a torsion spring.
- the swivel joint 252 comprises the spring element 224 designed as a torsion spring in a fork-like manner and allows the second leg 222 to be rotated relative to the first leg 230 about a longitudinal axis 254.
- the swivel joint 252 and the spring element 224 form a decoupling device 258 with which a switching means 226 and the switch 214 can be decoupled so that the switch 214 can be switched off, although the switching means 226 is locked in the on position.
- the second leg 222 has two fingers 242, 244 which are perpendicular to one another and to the longitudinal axis 254, of which the second finger 244 acts on the switch key 218 and the other finger 242 interacts with the nose 236 of the supply unit 232.
- the spring element 224 designed as a torsion spring holds the second leg 222 of the actuating device 220 designed as an adjusting slide in its initial position, in which it engages behind the switch button 218 of the switch 214. In this position, the switch 214 can be brought into the on position (to the left in the figure) by shifting the switching means 226, which is designed as a switch button, and can be locked into the recess 212 by hanging a locking lug 228.
- the first finger 242 in the figure lies under the neck 234 between the nose 236 and the supply unit 232.
- the lug 236 causes the switch 214 to be switched off immediately by rotating the second leg 222 of the actuating device 220 designed as an adjusting slide and disengaging it from the switch button 218.
- the spring force of the compression spring 216 causes the switch 214 to be switched off.
- the nose 236 on the neck 234 of the supply unit 232 deflects the first finger 242 of the second leg 222 of the actuating device 220 designed as an adjusting slide and disengages the switching button 218 from the second finger 244 of the second leg 222.
- the second finger 244 forms a blocking means 256, which prevents the switch 214 from being switched on and energized, since the actuating device 220 first has to be moved from the on position to the off position before the switch 214 can be actuated again.
- the first finger 242 is deflected against the spring force of the spring element 224 designed as a torsion spring as soon as the nose 236 moves over the finger 242.
- the actuating device 220 designed as an adjusting slide or its second finger 244 and the switching button 218 temporarily disengage, and the switching button 218 jumps to the off position due to the spring force of the compression spring 216 before the contact means 240 of the supply unit 232 with the corresponding ge - Contact means 238 on the device side come into contact.
- a spring element 224 designed as a torsion spring causes a return movement of the second leg 222 or the second finger 244, but this is not complete, since the second finger 244 now comes to rest against the switch button 218 which is in the off position and cannot reach behind it.
- the switching means 226 designed as a switch button must first be brought into the off position.
- the switching means 226 is shifted in a recess 248 of a guide element 250, the actuating device 220 being shifted via a driver 246.
- the spring force of the spring element 224 designed as a torsion spring causes the actuating device 220 designed as an adjusting slide to pivot completely back into its starting position. In its starting position, the actuating device 220 designed as an adjusting slide engages behind the switch button 218, and the power tool can be switched on.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/583,238 US7767918B2 (en) | 2003-12-20 | 2004-11-08 | Power tool |
EP04820603A EP1697950B1 (de) | 2003-12-20 | 2004-11-08 | SCHALTER FüR EINE ELEKTROWERKZEUGMASCHINE |
DE502004008989T DE502004008989D1 (de) | 2003-12-20 | 2004-11-08 | SCHALTER FüR EINE ELEKTROWERKZEUGMASCHINE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10360249A DE10360249A1 (de) | 2003-12-20 | 2003-12-20 | Elektrowerkzeugmaschine |
DE10360249.6 | 2003-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005062322A1 true WO2005062322A1 (de) | 2005-07-07 |
Family
ID=34683708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/052873 WO2005062322A1 (de) | 2003-12-20 | 2004-11-08 | Schalter für eine elektrowerkzeugmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US7767918B2 (de) |
EP (1) | EP1697950B1 (de) |
CN (1) | CN100530468C (de) |
DE (2) | DE10360249A1 (de) |
WO (1) | WO2005062322A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2008776A1 (de) * | 2007-06-27 | 2008-12-31 | Marquardt GmbH | Elektrowerkzeug, insbesondere Akku-Elektrowerkzeug |
CN102990620A (zh) * | 2012-11-29 | 2013-03-27 | 南京德朔实业有限公司 | 直流电动工具 |
CN103239191A (zh) * | 2012-02-10 | 2013-08-14 | 戴森技术有限公司 | 真空吸尘器 |
EP2724816A3 (de) * | 2012-08-23 | 2018-01-03 | Metabowerke GmbH | Angetriebene Werkzeugmaschine, insbesondere Winkelschleifer oder Geradschleifer |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007048887B4 (de) * | 2007-10-11 | 2017-10-26 | Andreas Stihl Ag & Co. Kg | Handgeführtes Arbeitsgerät |
US11007632B2 (en) * | 2017-12-01 | 2021-05-18 | Makita Corporation | Power tool |
EP3588524B1 (de) | 2018-06-28 | 2020-08-05 | Black & Decker Inc. | Elektronisches schaltmodul mit einer integrierten schutzdiode |
US11581154B2 (en) * | 2019-06-07 | 2023-02-14 | Techtronic Cordless Gp | Battery lock out for power tool |
JP7462523B2 (ja) | 2020-09-16 | 2024-04-05 | 日本航空電子工業株式会社 | レバー式コネクタ |
CN112038137A (zh) * | 2020-09-23 | 2020-12-04 | 格力博(江苏)股份有限公司 | 开关组件及电动工具 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4335514A (en) * | 1980-08-08 | 1982-06-22 | Black & Decker Inc. | Switch-brake interlock for chain saw |
US5289047A (en) * | 1991-05-07 | 1994-02-22 | Marquart Gmbh | Switch. especially battery switch for hand-operated electric tools |
US5401928A (en) * | 1993-06-07 | 1995-03-28 | Kelley; William J. | Safety control for power tool |
US6551123B1 (en) * | 1995-02-10 | 2003-04-22 | Marquardt Gmbh | Guiding arrangement for a plug-in battery pack operating an electric appliance |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952239A (en) * | 1974-08-23 | 1976-04-20 | The Black And Decker Manufacturing Company | Modular cordless tools |
-
2003
- 2003-12-20 DE DE10360249A patent/DE10360249A1/de not_active Withdrawn
-
2004
- 2004-11-08 US US10/583,238 patent/US7767918B2/en not_active Expired - Fee Related
- 2004-11-08 DE DE502004008989T patent/DE502004008989D1/de active Active
- 2004-11-08 EP EP04820603A patent/EP1697950B1/de not_active Expired - Fee Related
- 2004-11-08 CN CNB2004800380749A patent/CN100530468C/zh not_active Expired - Fee Related
- 2004-11-08 WO PCT/EP2004/052873 patent/WO2005062322A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4335514A (en) * | 1980-08-08 | 1982-06-22 | Black & Decker Inc. | Switch-brake interlock for chain saw |
US5289047A (en) * | 1991-05-07 | 1994-02-22 | Marquart Gmbh | Switch. especially battery switch for hand-operated electric tools |
US5401928A (en) * | 1993-06-07 | 1995-03-28 | Kelley; William J. | Safety control for power tool |
US6551123B1 (en) * | 1995-02-10 | 2003-04-22 | Marquardt Gmbh | Guiding arrangement for a plug-in battery pack operating an electric appliance |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2008776A1 (de) * | 2007-06-27 | 2008-12-31 | Marquardt GmbH | Elektrowerkzeug, insbesondere Akku-Elektrowerkzeug |
CN103239191A (zh) * | 2012-02-10 | 2013-08-14 | 戴森技术有限公司 | 真空吸尘器 |
WO2013117900A1 (en) * | 2012-02-10 | 2013-08-15 | Dyson Technology Limited | Vacuum cleaner |
AU2013217386B2 (en) * | 2012-02-10 | 2016-04-21 | Dyson Technology Limited | Vacuum cleaner |
EP2724816A3 (de) * | 2012-08-23 | 2018-01-03 | Metabowerke GmbH | Angetriebene Werkzeugmaschine, insbesondere Winkelschleifer oder Geradschleifer |
CN102990620A (zh) * | 2012-11-29 | 2013-03-27 | 南京德朔实业有限公司 | 直流电动工具 |
Also Published As
Publication number | Publication date |
---|---|
EP1697950B1 (de) | 2009-02-11 |
CN100530468C (zh) | 2009-08-19 |
US7767918B2 (en) | 2010-08-03 |
DE10360249A1 (de) | 2005-07-21 |
US20070102268A1 (en) | 2007-05-10 |
DE502004008989D1 (de) | 2009-03-26 |
EP1697950A1 (de) | 2006-09-06 |
CN1898758A (zh) | 2007-01-17 |
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