EP2036103A1 - Elektrischer schalter mit einem arretierelement - Google Patents
Elektrischer schalter mit einem arretierelementInfo
- Publication number
- EP2036103A1 EP2036103A1 EP07728489A EP07728489A EP2036103A1 EP 2036103 A1 EP2036103 A1 EP 2036103A1 EP 07728489 A EP07728489 A EP 07728489A EP 07728489 A EP07728489 A EP 07728489A EP 2036103 A1 EP2036103 A1 EP 2036103A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pusher
- locking element
- locking
- electrical switch
- switch according
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
-
- 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
Definitions
- the invention relates to an electrical switch, in particular for a hand tool, with a manually operable pusher and a manually counteracting locking element for locking the depressed pusher, wherein the pusher along a pusher travel is displaced transversely, in particular perpendicular, to a Arretierverlagerungsweg Arresting element extends.
- An electrical switch of the type mentioned is known.
- This switch is used in particular in handheld power tools to control an electric drive that moves a tool of the power tool.
- This electric switch is provided, for example, for controlling the moving speed of the tool in response to a presser travel of the pusher.
- a locking possibility to be provided upon reaching a required for continuous operation movement speed of the tool is mounted in the machine tool such that upon reaching a predetermined switch position of the electrical switch, it is brought into operative connection with the switch (for example by gripping a recess of the switch) in order to fix it. If, for example, the maximum speed of the electric drive is required in a continuous operation, the fully depressed switch can be fixed in the depressed position by the locking element.
- the locking element for example, a transverse to Drückerweg movable lock.
- the locking element is designed as a manually counteracting locking element. This means that the locking element can be actuated from two opposite sides by a mirror-inverted movement.
- Such a locking element can be operated equally well when installed in a handle by both right-handed and left-handers.
- the electrical switch should allow easy installation and high operator comfort.
- the electrical switch is constructed as a switch module having the pusher and the locking element.
- a modular design also simplifies the assembly, since the switch and locking element are already pre-assembled in the module and do not have to be brought together when mounting the electrical switch. By integrating all components of the lock in the switch module results in shorter tolerance chains, since the tolerances of the power tool in the modular structure have no effect on the lock.
- the locking element and the pusher are directly operatively connected.
- the locking element can be in operative connection with the pusher and prevent the pusher from snapping back after actuation.
- the switch is fixed in a corresponding position.
- the locking element and a switching element of the electrical switch are directly operatively connected, wherein the respective position of the switching element is bound to a corresponding switching state of the electrical switch.
- This locking can be an alternative operative connection or an additional operative connection between the locking element and the switching element, wherein the lock is connected without play directly to a part of the switch which realizes the switching - the switching element.
- the locking element and the pusher and / or the locking element and the switching element are operatively connected via at least one intermediate element mounted in the switch module.
- the locking element and the pusher, or the locking element and the switching element have a significant distance, occur in direct operative connection large leverage forces that lead to high material stress and an imprecise operative connection. Due to the additional storage of
- the intermediate element is a deflecting element.
- the deflection element may, for example, be a pivotably mounted lever which adapts the movement stroke of the locking element and the pusher or the switching element.
- a middle position of the locking element is a release position and is manually displaceable by actuation alternatively in two opposite locking positions.
- a so configured locking element has the advantage that it can be operated equally from two opposite sides. For actuation, for example, a pressure on a suitable location of the locking element is sufficient.
- the locking element has a return element, which counteracts the manual displacement. If the locking element is actuated, for example, by pressure and engages in a recess of the switch, the return element can set the locking element back into the release position after the latching function has been canceled.
- the locking element is a locking slide.
- a particularly simple design of a locking element, which can be actuated by pressure on both sides, is a locking slide.
- the pusher is guided through the recess-projection arrangement along the presser path when the locking element is in the release position.
- the recess-projection arrangement allows actuation of the locking element only when the pusher is pressed. Whether the switch is locked can be recognized immediately at the trigger position - for example by pressing a button.
- the electrical switch has an actuating element with which an end position of the pusher can be preselected on the presser travel.
- the adjusting element can be, for example, an adjusting wheel positioned on the pusher, which serves to preselect the maximum speed of the electric drive.
- FIGS 4a to 4c different views of the switch module
- FIGS 5 and 6 an installation situation of the switch module in a hand tool.
- Embodiment (s) of the invention
- FIGS. 1a to 1c show different views of an electrical switch 2 embodied as a switch module 1.
- the switch module 1 has in an upper end region 3 of the housing 4 a linear guide 5 for guiding a locking element 6, with only one end face 7 of this locking element in FIG 6 is visible.
- the housing 4 has a bulge 9, which accommodates a capacitor of the electrical switch 2, not shown.
- Between the end regions 3, 8 of the switch module 1 is located on an end face 10 designed as a pusher 11 actuator 12 of the electrical switch 2.
- the figure 1b shows a plan view of the switch module 1, the details of the locking slide 13 formed as locking element 6 can recognize.
- the locking element 6 has two actuating elements 14, 15, which are each arranged at one end 16, 17 of the locking slide 13 and each protrude from one of two opposite side regions 18, 19 of the switch module 1.
- the linear guide 5 of the locking slide 13 consists of two parallel arranged, the locking slide 13 embracing brackets 20, 21 between which in a recess 22 of the locking slide 13 as a compression spring 23 formed resetting element 24 is located.
- the compression spring 23 engages at its ends 25, 25 'in each case one compression spring 23 holding extension 26, 27 of the locking slide 13 and correspondingly aligned parallel guides the bracket 20, 21.
- the arranged on the end face 7 pusher 11 has at its, the locking slide thirteenth facing top 29 a recess 30 into which a projection 31 of the locking slide 13 engages permanently.
- the projection 31 and the recess 30 form Together, a recess-projection arrangement 32.
- the recess 30 is formed so that the projection 31 is guided in not fully pressed pusher 11 in a groove 33 formed as part of the recess 30 parallel to a presser path (arrow 34) linear. If the pusher 11 is pushed through to an end region, the projection 31 reaches a locking region 35 which is widened on both sides relative to the groove 33 and permits displacement of the projection 31 transversely to the pusher path, so that in this position of the pusher 11 the locking pusher 13 moves along a Arretierverlagerungsweg (double arrow 36) can be displaced by actuation.
- a transition region 37 between the groove 33 and the locking portion 35 formed as part of the recess 30 are two, the groove 33 surrounding the rear handles 38, 39th
- such an arrangement can also be formed by a projection of the pusher 11 and a correspondingly formed recess of the locking element 6.
- FIG. 1 c shows a view of the switch module 1, which illustrates the function of the recess-projection arrangement 32.
- FIG. 2 shows a construction of an alternatively or additionally insertable recess-projection arrangement 43 between the locking element 6 designed as a locking slide 13 and a switching element 44 designed as a push rod 44.
- this recess-projection arrangement 43 the operative connection between the locking slide and the locking slide 13 formed locking element 6 and the switching element 41 via a lever 45 designed as an intermediate element 46 realized.
- the lever 45 is pivotably mounted in a pivot point 47 between the locking element 6 and the switching element 45 in the switch module 1.
- An upper lever arm 48 of the lever 46 is operatively connected to the locking element 6 - for example via a recess-projection arrangement, not shown.
- a lower lever arm 49 of the lever 46 has the recess-projection arrangement 43.
- an end portion 50 of the lever arm 49 is formed as a rider 51.
- the lever 46 is shaped so as not to interfere with the movement of the pusher 11 along the pusher path (arrow 34).
- the rider 51 reaches the end portion 54 of the bar 52. In this position, by pressing the locking element 6 of the lever 46 perpendicular to Drückerweg be pivoted.
- one of the side elements 55, 56 is pushed in front of the end face of the end region 54 of the strip 52.
- the recess-projection assembly 43 locks and the switching element 45 and the electric switch 2 are locked.
- this lock is released again and the lever 45 moves - driven by the return element 24 of the locking element 6 - in a central position and releases the switching element 45 free.
- FIG. 3 shows the switch module 1 with the recess-projection arrangement 43 with the intermediate element 46 designed as a lever 45.
- the locking over the switching element 45 of the electrical switch 2 has the advantage that tolerances-caused by a tilting play of the pusher 11- be minimized. Since the formed as a lever 45 intermediate element is exposed to incorrect operation of the locking element 6 high forces that can permanently damage the electrical switch, a combination of the two shown recess-projection assemblies 32, 43 makes sense.
- FIGS. 5 and 6 show the switch module 1 installed in a handle 59 of a handheld power tool 60. This installation situation shows the advantage of a locking element 6 that can be operated on both sides. The operator can simultaneously press the pusher of the switch with one hand, lock it with the locking element 6 and lock the switch Hand tool 60 lead, whether he grasps the handle 59 with the right or left hand.
Landscapes
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610028637 DE102006028637A1 (de) | 2006-06-22 | 2006-06-22 | Elektrischer Schalter mit einem Arretierelement |
PCT/EP2007/054033 WO2007147665A1 (de) | 2006-06-22 | 2007-04-25 | Elektrischer schalter mit einem arretierelement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2036103A1 true EP2036103A1 (de) | 2009-03-18 |
EP2036103B1 EP2036103B1 (de) | 2015-09-16 |
Family
ID=38115870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07728489.1A Active EP2036103B1 (de) | 2006-06-22 | 2007-04-25 | Elektrischer schalter mit einem arretierelement |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2036103B1 (de) |
CN (1) | CN101479821B (de) |
DE (1) | DE102006028637A1 (de) |
WO (1) | WO2007147665A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2019399A3 (de) * | 2007-07-24 | 2009-07-08 | Defond Components Limited | Auslösemechanismus |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007000581A1 (de) * | 2007-10-26 | 2009-04-30 | Robert Bosch Gmbh | Druckschalter, insbesondere für handgeführte Werkzeugmaschinen |
EP2884515A1 (de) * | 2013-12-16 | 2015-06-17 | HILTI Aktiengesellschaft | Geräteschalter für Elektrowerkzeuge mit Schalterarretierung |
CN105841107B (zh) * | 2015-01-13 | 2020-08-11 | 朗德万斯公司 | 照明装置的端盖以及包括该端盖的照明装置 |
EP3552760A1 (de) | 2018-04-09 | 2019-10-16 | HILTI Aktiengesellschaft | Schalter für schleifgerät und schaltlogik |
CN116380805B (zh) * | 2023-05-16 | 2023-12-05 | 上海交通大学 | 一种有载分接开关气体监测方法及*** |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2335972C3 (de) * | 1973-07-14 | 1978-06-15 | J. & J. Marquardt, 7201 Rietheim | Schalter, insbesondere für ein elektrisches Handwerkzeug |
DE9320029U1 (de) * | 1993-01-30 | 1994-06-01 | Robert Bosch Gmbh, 70469 Stuttgart | Elektrohandwerkzeug mit Schaltsperre |
EP0921543A1 (de) * | 1997-11-21 | 1999-06-09 | Signal Lux Italia S.p.A. | Elektrischer Sicherheitsschalter |
US6274828B1 (en) * | 2000-02-22 | 2001-08-14 | Defond Manufacturing Limited | On-off switch with off position locking actuator |
DE10034670A1 (de) * | 2000-07-17 | 2002-01-31 | Kopp Heinrich Ag | Vorrichtung zur mechanischen Sicherung der EIN- und AUS-Schaltstellung eines elektrischen Druckschalters |
ATE378152T1 (de) * | 2004-09-22 | 2007-11-15 | Black & Decker Inc | Verriegelbare drucktaste für einen bohrhammer |
-
2006
- 2006-06-22 DE DE200610028637 patent/DE102006028637A1/de not_active Withdrawn
-
2007
- 2007-04-25 WO PCT/EP2007/054033 patent/WO2007147665A1/de active Application Filing
- 2007-04-25 CN CN2007800234695A patent/CN101479821B/zh active Active
- 2007-04-25 EP EP07728489.1A patent/EP2036103B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2007147665A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2019399A3 (de) * | 2007-07-24 | 2009-07-08 | Defond Components Limited | Auslösemechanismus |
Also Published As
Publication number | Publication date |
---|---|
CN101479821A (zh) | 2009-07-08 |
DE102006028637A1 (de) | 2007-12-27 |
CN101479821B (zh) | 2012-11-14 |
WO2007147665A1 (de) | 2007-12-27 |
EP2036103B1 (de) | 2015-09-16 |
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