EP1472708A1 - Elektrische schaltanordnung für ein elektrowerkzeug - Google Patents
Elektrische schaltanordnung für ein elektrowerkzeugInfo
- Publication number
- EP1472708A1 EP1472708A1 EP03706295A EP03706295A EP1472708A1 EP 1472708 A1 EP1472708 A1 EP 1472708A1 EP 03706295 A EP03706295 A EP 03706295A EP 03706295 A EP03706295 A EP 03706295A EP 1472708 A1 EP1472708 A1 EP 1472708A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- switching
- actuating
- plastic
- actuating element
- 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
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft 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 switching arrangement according to the preamble of patent claim 1 and an electric tool according to the preamble of patent claim 5.
- Such an electric hand tool can be a drilling machine, an electric screwdriver, for example a cordless screwdriver, an angle grinder or the like.
- Power tools have a housing with a handle, in which an electrical switch with a manually operable actuator for switching the electric hand tool on and off is located. If necessary, the speed of the electric hand tool can be adjustable according to the position of the actuating member. If a further function can be set by the user on the electric hand tool by the user, for example an impulse function with a jerky rotary movement of the tool holder for screwing work, there is a switching element for this in the housing. An actuating element for manual switching on and off of the further function is then assigned to this switching element. Since the switching element is located in the housing of the electric hand tool, it is generally arranged away from the operator. The actuating element, however, is arranged on the housing facing the operator.
- the invention has for its object to increase the freedom in the arrangement of the switching element and / or the actuating element, in particular to provide an arrangement in which the actuating element is spaced from the switching element.
- a plastic element is arranged between the actuating element and the switching element in such a way that the force exerted by the operator on the actuating element can be transmitted to the switching element by means of the plastic element.
- the actuating element can be arranged at a suitable point in the housing of the power tool, in particular at a distance from the actuating element of the on / off switch for the power tool, which increases the ergonomics for the user. It is advisable to arrange the plastic element at least partially in the housing. Further embodiments of the invention are the subject of the dependent claims.
- the plastic element can be designed as a flexible flat wire element, which acts like a slide.
- the actuating element can be designed as a linearly movable slide.
- the switching element consists of a Hall sensor and a magnet. The magnet can be moved by means of the plastic element, such that the Hall sensor generates a switching signal when the actuating element is operated manually.
- Pins, webs or the like can be located in the housing of the power tool for selective guidance of the plastic element.
- the plastic element can also be guided along part of a wall of the housing.
- the actuating element on the back of the housing, in particular above the handle, can be an option to arrange the power tool.
- the switching element can be arranged on the electrical switch for the electric hand tool, in particular on its switch housing. In this case, simple wiring for the switch together with the switching element is made possible, and nevertheless a risk of confusion for the user between the actuating member and the actuating element is definitely excluded.
- part of the switching element for example the Hall sensor, can even be located in a protected manner in the switch housing.
- the actuating element can be placed on the housing of the power tool in an ergonomically favorable location for the user.
- the switching element on the other hand, can be arranged inside the housing in the power tool at the point at which it is particularly favorable for carrying out the respective switching function or where the corresponding space in the housing is available. Furthermore, the switching arrangement according to the invention is simple to assemble and is inexpensive in itself.
- Fig. 1 shows a section through the housing of an electric hand tool
- Fig. 2 seen the housing from the direction II in Fig. 1, the housing being shown partially in section.
- an electric hand tool 1 which can be a drill, an electric screwdriver, a cordless screwdriver, an angle grinder or the like, with a housing 2 and with a handle 3.
- an electrical switch 4 is arranged, which is used to switch the electric hand tool 1 on and off.
- the switch 4 has an actuating element 5 which can be moved manually by the operator.
- the electric hand tool 1 can be equipped with electronics for controlling the speed, so that the operator can determine the speed according to the position of the actuating member 5 can adjust.
- the electronics are expediently located in the switch housing 15 of the switch 4.
- the electric hand tool 1 has a switching arrangement 6, which is used, for example, to switch on a pulse function of the electric hand tool 1.
- the switching arrangement 6 consists of a switching element 7 located in the housing 2 and an actuating element 8 assigned to the switching element 7.
- the switching element 7 is located in the interior of the housing 2 and is thus arranged in the housing 2 facing away from the operator.
- the actuating element 8, on the other hand, is located on the housing 2 facing the operator in order to enable it to be actuated manually by the operator.
- the actuating element 8 is arranged on the rear of the housing 2, specifically above the handle 3 of the electric hand tool 1. As a result, however, the actuating element 8 is located at a distance from the switching element 7.
- a plastic element 9 arranged between the actuating element 8 and the switching element 7 transmits the force exerted by the operator on the actuating element 8 to the switching element 7, with which the remote switching element 7 can be actuated for switching.
- the plastic element 9 is designed as a flexible flat wire element in the manner of a slide.
- the actuating element 8 can also consist of a linearly movable slide, as can be seen in FIG. 2, so that the switching arrangement 6 can be actuated by the operator by means of a sliding movement.
- a resilient latching element 10 is fastened to the slide 8 and is guided in a link 11 on the housing 2. In the setting 11 there are two locking positions in which the locking element 10 can engage in accordance with the switched-on or switched-off position of the switching element 7.
- the plastic element 9 is at least partially guided in the housing 2, thus preventing it from getting caught or the like in the housing 2.
- Pins 12, webs or the like and, if appropriate, are used for selective guidance of the plastic element 9 in the housing 2 part of a wall 13 of the housing 2, along which the plastic element 9 is guided.
- the switching element 7 can be a conventional electrical switch. However, a sensor switch consisting of a Hall sensor and a magnet 14 is preferred for this. As can be seen from FIG. 1, the magnet 14 can be moved by means of the plastic element 9. When the actuating element 8 is actuated manually by the user, the magnet 14 is moved along the Hall sensor, the Hall sensor generating a switching signal for switching the pulse function on or off. In order to permit simple retrofitting of the electric hand tool 1 with such an additional switching arrangement 6, the switching element 7 is arranged on and / or in the electrical switch 4, specifically on its switch housing 15. It is advisable that the Hall sensor, not shown, is located inside the switch housing 15.
- the switch housing 15 there is also the electronics for controlling the electric motor of the electric hand tool 1, so that the Hall sensor can be attached to the printed circuit board for the electronics and the switching signal of the Hall sensor directly activates the control according to the pulse function by the electronics. or can turn off.
- the magnet 14 in turn is arranged outside the switch housing 15.
- Electric hand tool Housing: Handle: Electrical switch: Actuator: Switch arrangement: Switch element: Actuator / slide: plastic element
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Slide Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Portable Power Tools In General (AREA)
- Push-Button Switches (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10204949 | 2002-02-07 | ||
| DE10204949A DE10204949A1 (de) | 2002-02-07 | 2002-02-07 | Elektrische Schaltanordnung für ein Elektrowerkzeug |
| PCT/DE2003/000346 WO2003067620A1 (de) | 2002-02-07 | 2003-02-06 | Elektrische schaltanordnung für ein elektrowerkzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1472708A1 true EP1472708A1 (de) | 2004-11-03 |
| EP1472708B1 EP1472708B1 (de) | 2005-05-04 |
Family
ID=27674576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03706295A Expired - Lifetime EP1472708B1 (de) | 2002-02-07 | 2003-02-06 | Elektrische schaltanordnung für ein elektrowerkzeug |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1472708B1 (de) |
| CN (1) | CN1296948C (de) |
| AT (1) | ATE294993T1 (de) |
| DE (2) | DE10204949A1 (de) |
| WO (1) | WO2003067620A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006040647A1 (de) * | 2006-08-30 | 2008-03-13 | Robert Bosch Gmbh | Handwerkzeugmaschine |
| DE102010038753A1 (de) * | 2010-08-02 | 2012-02-02 | Robert Bosch Gmbh | Antivibrationshandgriff mit auf Zug belasteter Schaltverbindung |
| DE102010038750A1 (de) * | 2010-08-02 | 2012-02-02 | Robert Bosch Gmbh | Elektrowerkzeugmaschine mit arretierbarer Schaltwippe |
| WO2012134471A1 (en) | 2011-03-31 | 2012-10-04 | Ingersoll-Rand Company | Forward/reverse switching device for power tools |
| US12587195B2 (en) | 2021-03-04 | 2026-03-24 | Snap-On Incorporated | Non-contact direction selector mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3023691A1 (de) * | 1980-06-25 | 1982-01-21 | Robert Bosch Gmbh, 7000 Stuttgart | Schalter mit einem bedienmittel, insbesondere an einer handwerkzeugmaschine |
| US4421964A (en) * | 1982-04-02 | 1983-12-20 | The Hoover Company | Remote switch actuation |
| DE3934950A1 (de) * | 1989-10-20 | 1991-04-25 | Marquardt Gmbh | Drehzahlregler fuer elektromotoren von elektrowerkzeugen |
| US5365155A (en) * | 1990-10-22 | 1994-11-15 | Marquardt Gmbh | Rotational speed control and use of same to control the rotational speed of an electric hand tool motor |
-
2002
- 2002-02-07 DE DE10204949A patent/DE10204949A1/de not_active Withdrawn
-
2003
- 2003-02-06 AT AT03706295T patent/ATE294993T1/de not_active IP Right Cessation
- 2003-02-06 CN CNB038034816A patent/CN1296948C/zh not_active Expired - Fee Related
- 2003-02-06 WO PCT/DE2003/000346 patent/WO2003067620A1/de not_active Ceased
- 2003-02-06 DE DE50300519T patent/DE50300519D1/de not_active Expired - Lifetime
- 2003-02-06 EP EP03706295A patent/EP1472708B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03067620A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003067620A1 (de) | 2003-08-14 |
| CN1628361A (zh) | 2005-06-15 |
| ATE294993T1 (de) | 2005-05-15 |
| EP1472708B1 (de) | 2005-05-04 |
| DE10204949A1 (de) | 2003-09-04 |
| DE50300519D1 (de) | 2005-06-09 |
| CN1296948C (zh) | 2007-01-24 |
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