EP2941591B1 - Torch with a rotary switch - Google Patents

Torch with a rotary switch Download PDF

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Publication number
EP2941591B1
EP2941591B1 EP14705273.2A EP14705273A EP2941591B1 EP 2941591 B1 EP2941591 B1 EP 2941591B1 EP 14705273 A EP14705273 A EP 14705273A EP 2941591 B1 EP2941591 B1 EP 2941591B1
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EP
European Patent Office
Prior art keywords
flashlight
head
housing
annular
contact spring
Prior art date
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EP14705273.2A
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German (de)
French (fr)
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EP2941591A1 (en
Inventor
Erich Buhl
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Ledlenser GmbH and Co KG
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Ledlenser GmbH and Co KG
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Publication of EP2941591A1 publication Critical patent/EP2941591A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • F21V23/0428—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices the switch being part of, or disposed on the lamp head portion thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a flashlight with a flashlight housing and a flashlight head, which are interconnected to form a rotary switch with different switching states in a captive manner and rotatable relative to one another, with markings being provided on the housing side and on the lamp head side which allow the switching states to be clearly assigned.
  • Flashlights have been known for several decades in different shapes and for different purposes, with cylindrical flashlights of the type mentioned above having proven to be particularly preferred due to the simple design, the inexpensive manufacturability and the given stability.
  • flashlights have also expanded in their functional possibilities for different professional groups that place different demands on the flashlight.
  • professional groups such as the police or fire brigade, and in particular railway conductors, there is a desire for flashlights that emit light in different colors in order to communicate with colleagues via the choice of color.
  • flashlights are known from the prior art which have LEDs in different colors and which can be switched on using a rotary switch.
  • Such a configuration of a rotary switch is very complex and expensive to manufacture due to the complex components.
  • these rotary switches are quickly damaged in robust use, so that perfect functionality is not guaranteed over a long period of time.
  • a rotary switch is implemented in the case of cylindrical flashlights by turning the flashlight head or the end cap, which are usually rotatably connected to the flashlight housing via a thread.
  • a contact element sweeps over different contact zones when turned, whereby different electrical resistances or different LEDs are integrated into the circuit.
  • An example of such a rotary switch is disclosed WO 2012/006977 , after which the rotary switch is formed by a rotatable ring on the end cap.
  • a disadvantage of such an embodiment is that the relative position of the contact elements arranged rotatably with respect to one another is not clear as soon as the flashlight is unscrewed - for example to replace the batteries.
  • a clear angular position is no longer given, since threaded connections can be screwed together in different angular positions.
  • the flashlight must be switched on before each use in order to check whether the lamp lights up with the intended and set function. If such a function test is accidentally not carried out, misunderstandings or even serious accidents can be caused, depending on the area of application, as it makes a big difference whether a conductor sends a red or green signal to the driver of his train, for example.
  • More flashlights with a rotary switch on the flashlight head are in U.S. 4,782,432 , US 2010/091485 , US 2011/0227500 and U.S. 4,581,686 are described in which the switching states are determined via complex electronic components, such as Hall probes or reed contacts.
  • the object of the present invention is to create a simply constructed and robust flashlight with a rotary switch in which a clear assignment of the selected Function is possible, so that regular function checks can be dispensed with.
  • an annular contact spring is rotatably mounted between the flashlight head and the flashlight housing, which contacts a housing-side, annular, electrical contact surface with a first section and engages there in predetermined positions, and which sweeps over electrical contact zones of a plate with a second section and this switches different switching states, the annular contact spring being at least indirectly connected to the flashlight head, so that the contact spring is rotated by a rotary movement of the flashlight head.
  • the plate is non-rotatable and at least indirectly connected to the flashlight housing, the plate being connected, according to a particularly preferred embodiment, to an annular sleeve which can be inserted into the flashlight housing on the lamp head side and the electrical contact surface and several spaced-apart groove-shaped recesses are arranged on the lamp head side.
  • the contact spring engages in these groove-shaped recesses, so that a rotation of the contact spring and thus an adjustment of the switching state is only possible against the axially acting force of the spring.
  • the switching states after the first assembly - i.e. the factory assembly - of the flashlight and after the first switch-on are used for a clear assignment Switching states are clearly defined by marking on the lamp head side and one on the housing side for subsequent switch-on processes.
  • the relative angular position between the flashlight housing and the flashlight head, which ultimately form the rotary switch, is retained. According to this, an unintentional adjustment of the specified relative position and therefore an adjustment of the switching states is excluded. In this respect, before the flashlight is switched on, the function in which the flashlight should shine - such as in which color or intensity - can be set. This rules out misunderstandings between workers who communicate with each other via such signals.
  • At least one of the markings is arranged on a ring element which is connected to the preferably cylindrical flashlight housing or the preferably cylindrical flashlight head in a rotationally secure manner.
  • the ring element is connected to the torch housing or the torch head so that it cannot rotate.
  • soldering, gluing or otherwise applying the markings directly to the flashlight head or the flashlight housing after assembly is also possible.
  • the ring sleeve is spaced apart from the flashlight housing in some areas in the radial direction, so that the ring sleeve forms a rearward ring-shaped stop surface.
  • This stop surface is part of the captive storage of the torch head.
  • the flashlight head preferably has a front part and a rear part, a reflector or a lens being held by a fixing sleeve in the front part.
  • the rear part preferably has an annular contact surface which, in the assembled state, rests against the contact surface of the annular sleeve to form a captive connection between the torch head and the torch housing.
  • the fixing sleeve has at least one recess into which a driver of the annular contact spring engages.
  • the driver can also protrude into a recess in the lamp head.
  • the preferred embodiments in particular create a simple, robust and therefore cost-saving possibility of creating a rotary switch that allows the switching states to be clearly assigned over the long term.
  • the main components of the rotary switch are the rotatable but captive torch head, the contact spring, which is at least indirectly connected to the torch head, and the contact plate, which is connected to the torch housing or an annular sleeve connected to it.
  • the assignment of the switching states is determined by markings on the ring element and the torch head. The complicated and expensive arrangement of Hall probes or the like can therefore be dispensed with.
  • a specific embodiment of a flashlight 1 consists essentially of a flashlight housing 2, a flashlight head 3 which is rotatably mounted about the longitudinal axis A and is held securely in place and which has a rear part 4 and a front part 5, an annular sleeve 6, a contact plate 7 and a Contact spring 8.
  • the annular sleeve 6 is connected to the flashlight housing 2 via a threaded section 9.
  • the ring sleeve 6 could also be glued, pressed or otherwise detachably or non-detachably connected to the flashlight housing 2.
  • the ring sleeve 6 is connected to the contact plate 7 so that it cannot rotate, on which several electrical contact zones 10, 10 ', 10 ", 10"' (see FIG Figure 3b ) are trained.
  • a light source in the form of an LED 11 is also located on the contact plate 7.
  • the annular sleeve 6 projects beyond the flashlight housing 2 in the radial direction, so that a rear annular stop surface 12 is formed on the annular sleeve 6. In the assembled state, this stop surface 12 is in contact with a corresponding contact surface of the rear part 4 of the flashlight head 3, whereby the flashlight head 3 is connected to the flashlight housing 2 in a captive manner but rotatable about the longitudinal axis A.
  • the front part 5 of the flashlight head 3 has a reflector 14 which is held in a form-fitting manner by a fixing sleeve 15 in the front part 5.
  • the fixing sleeve 15 is screwed into the front part 5 via corresponding threaded sections.
  • the rear end face 16 of the fixing sleeve 15 is axially spaced apart from the end face 17 of the ring sleeve by a certain amount.
  • a contact spring 8 is arranged, the structure of which in Figure 2 is shown in detail.
  • the contact spring 8 is essentially annular, it has two partial circle sections 19, 20 extending over 180 ° with different radii.
  • the first pitch circle section 19 lies on the electrical contact surface 31 (see FIG Figure 3a, b ) of the ring sleeve 6.
  • a V-shaped locking lug 21 is formed in the first section 19, which is inserted into recesses 32 (see Figure 3a, b ) engages.
  • the first and the second subsections 19, 20 are connected to one another by a connecting piece 22, 22 ', from which a respective driver 23, 23' is raised.
  • these drivers 23, 23 ′ engage in recesses (not shown) in the fixing sleeve 15, so that the contact spring 8 rotates when the flashlight head 3 is rotated.
  • the second partial circle section 20 of the contact spring 8 is arranged at an angle relative to the first partial circle section 19 and has an electrical contact element 24 in the form of a V-shaped recess.
  • the functionality of this contact element is based in particular Figure 3a emerged.
  • a flashlight 1 is shown in perspective and without the front part 5 of the flashlight head 3.
  • the contact spring 8 rests on the electrical contact surface 31 of the annular sleeve 6 and engages there in recesses 32.
  • the ring sleeve 6 is connected to the contact plate 7, secured against rotation, on which different contact zones 10, 10 ', 10 ", 10'” are formed.
  • the contact spring sweeps over the contact zones 10, 10 ', 10 ", 10'” with the V-shaped contact element 24 and consequently switches different electrical states.
  • the number of possible switching states is in principle not limited, with four different contact zones 10, 10 ', 10 ", 10'” and thus four different switching states being provided in the illustrated embodiment.
  • the flashlight head 3 and thus the front part 5 and the rear part 4 are rotated in the direction of the arrow 34, whereby the contact spring 8 is also rotated.
  • a marking 35 is arranged on the rear part 4 of the flashlight head 3.
  • a plurality of markings 36, 36 ′ are applied to a ring element 37, which is only secured against rotation with the flashlight housing 2 after it has been switched on for the first time is connected.
  • the flashlight preferably has a pressure switch (not shown) in the end cap (end cap switch) or on the flashlight housing.

Description

Die vorliegende Erfindung betrifft eine Taschenlampe mit einem Taschenlampengehäuse und einem Taschenlampenkopf, die zur Bildung eines Drehschalters mit unterschiedlichen Schaltzuständen verliersicher und zueinander drehbar miteinander verbunden sind, wobei gehäuseseitig und lampenkopfseitig Markierungen vorgesehen sind, die eine eindeutige Zuordnung der Schaltzustände erlauben.The present invention relates to a flashlight with a flashlight housing and a flashlight head, which are interconnected to form a rotary switch with different switching states in a captive manner and rotatable relative to one another, with markings being provided on the housing side and on the lamp head side which allow the switching states to be clearly assigned.

Taschenlampen sind seit etlichen Jahrzehnten in unterschiedlichen Formen und für unterschiedliche Anwendungszwecke bekannt, wobei sich aufgrund der einfachen Ausgestaltung, der kostengünstigen Herstellbarkeit und der gegebenen Stabilität zylinderförmige Taschenlampen der eingangs genannten Art als besonders bevorzugt herausgestellt haben. Neben der Form haben sich Taschenlampen auch in ihren Funktionsmöglichkeiten für unterschiedliche Berufsgruppen erweitert, die an die Taschenlampen unterschiedliche Anforderungen stellen. Bei Berufsgruppen, wie beispielsweise bei Einsatzkräften der Polizei oder der Feuerwehr und insbesondere bei Schaffnern von Bahnunternehmen besteht der Wunsch nach Taschenlampen, die Licht in unterschiedlichen Farben abgeben, um über die Wahl der Farbe mit Kollegen zu kommunizieren.Flashlights have been known for several decades in different shapes and for different purposes, with cylindrical flashlights of the type mentioned above having proven to be particularly preferred due to the simple design, the inexpensive manufacturability and the given stability. In addition to the shape, flashlights have also expanded in their functional possibilities for different professional groups that place different demands on the flashlight. In professional groups, such as the police or fire brigade, and in particular railway conductors, there is a desire for flashlights that emit light in different colors in order to communicate with colleagues via the choice of color.

Aus diesen Gründen sind nach dem Stand der Technik Taschenlampen bekannt, die LED's in unterschiedlichen Farben besitzen und die über einen Drehschalter eingeschaltet werden können.For these reasons, flashlights are known from the prior art which have LEDs in different colors and which can be switched on using a rotary switch.

Aus US 7,722,209 B2 ist beispielsweise eine Taschenlampe bekannt, die in unmittelbarer Nähe zum Taschenlampenkopfeinen Drehring mit darin angeordneten Magneten besitzt, die mit Hall-Sonden wechselwirken, die innerhalb der Taschenlampe angeordnet sind. Je nach der eingestellten angularen Position werden unterschiedliche LED's und mithin unterschiedliche Farben bzw. Intensitäten angesteuert.Out US 7,722,209 B2 For example, a flashlight is known which, in close proximity to the flashlight head, has a rotating ring with magnets arranged in it, which interact with Hall probes arranged inside the flashlight. Depending on the set angular position, different LEDs and thus different colors or intensities are controlled.

Eine derartige Ausgestaltung eines Drehschalters ist sehr komplex und aufgrund der aufwendigen Bauelemente teuer in der Herstellung. Zudem werden diese Drehschalter beim robusten Einsatz schnell beschädigt, so dass eine einwandfreie Funktionsfähigkeit über einen langen Zeitraum nicht gewährleistet ist.Such a configuration of a rotary switch is very complex and expensive to manufacture due to the complex components. In addition, these rotary switches are quickly damaged in robust use, so that perfect functionality is not guaranteed over a long period of time.

Eine Alternative und dabei robuste und einfache Variante eines Drehschalters wird bei zylinderförmigen Taschenlampen unmittelbar durch Verdrehen des Taschenlampenkopfes oder der Endkappe realisiert, die in der Regel ohnehin über ein Gewinde drehbar mit dem Taschenlampengehäuse verbunden sind. Bei derartigen Druckschaltern überstreicht ein Kontaktelement beim Drehen unterschiedliche Kontaktzonen, womit unterschiedliche elektrische Widerstände oder unterschiedliche LED's in den Stromkreis eingebunden werden. Ein Beispiel für einen derartigen Drehschalter offenbart WO 2012/006977 , nach der der Drehschalter von einem drehbaren Ring an der Endkappe gebildet wird.An alternative and robust and simple variant of a rotary switch is implemented in the case of cylindrical flashlights by turning the flashlight head or the end cap, which are usually rotatably connected to the flashlight housing via a thread. In such pressure switches, a contact element sweeps over different contact zones when turned, whereby different electrical resistances or different LEDs are integrated into the circuit. An example of such a rotary switch is disclosed WO 2012/006977 , after which the rotary switch is formed by a rotatable ring on the end cap.

Nachteilig an einer solchen Ausführungsform ist jedoch, dass die relative Position der drehbar zueinander angeordneten Kontaktelemente nicht eindeutig ist, sobald die Taschenlampe - beispielsweise zum Austausch der Batterien - auseinandergeschraubt wird. Beim Zusammensetzen ist eine eindeutige angulare Position nicht mehr gegeben, da Gewindeverbindungen in unterschiedlichen Winkelpositionen zueinander zusammengeschraubt werden können. Im Ergebnis muss die Taschenlampe vor jedem Einsatz eingeschaltet werden, um zu überprüfen, ob die Lampe mit der beabsichtigten und eingestellten Funktion leuchtet. Wird ein derartiger Funktionstest versehentlich nicht durchgeführt, können - je nach Anwendungsbereich - Missverständnisse oder gar schwere Unfälle verursacht werden, da es nämlich einen großen Unterschied macht, ob beispielsweise ein Schaffner dem Lokführer seines Zuges ein rotes oder ein grünes Signal übermittelt.A disadvantage of such an embodiment, however, is that the relative position of the contact elements arranged rotatably with respect to one another is not clear as soon as the flashlight is unscrewed - for example to replace the batteries. When assembling, a clear angular position is no longer given, since threaded connections can be screwed together in different angular positions. As a result, the flashlight must be switched on before each use in order to check whether the lamp lights up with the intended and set function. If such a function test is accidentally not carried out, misunderstandings or even serious accidents can be caused, depending on the area of application, as it makes a big difference whether a conductor sends a red or green signal to the driver of his train, for example.

Weitere Taschenlampen mit einem Drehschalter am Taschenlampenkopf sind in US 4,782,432 , US 2010/091485 , US 2011/0227500 und US 4,581,686 beschrieben, bei denen die Schaltzustände über komplexe elektronische Komponenten, wie insbesondere Hall-Sonden oder Reed-Kontakte, festgestellt werden.More flashlights with a rotary switch on the flashlight head are in U.S. 4,782,432 , US 2010/091485 , US 2011/0227500 and U.S. 4,581,686 are described in which the switching states are determined via complex electronic components, such as Hall probes or reed contacts.

US 2010/0277295 beschreibt einen Endkappendrehschalter. US 2010/0277295 describes a rotary end cap switch.

Da es ausgeschlossen ist, im hektischen Bahnbetrieb, bei Polizei- oder Feuerwehreinsätzen vor jedem Einschalten eine Funktionskontrolle der Taschenlampe durchzuführen, ist es die Aufgabe der vorliegenden Erfindung, eine einfach aufgebaute und robuste Taschenlampe mit einem Drehschalter zu schaffen, bei der eine eindeutige Zuordnung der ausgewählten Funktion möglich ist, so dass auf eine regelmäßige Funktionskontrolle verzichtet werden kann.Since it is impossible to carry out a function check of the flashlight in hectic railway operations, during police or fire brigade operations before each switch-on, the object of the present invention is to create a simply constructed and robust flashlight with a rotary switch in which a clear assignment of the selected Function is possible, so that regular function checks can be dispensed with.

Diese Aufgabe wird durch die Taschenlampe nach Anspruch 1 gelöst. Erfindungsgemäß ist vorgesehen, dass zwischen dem Taschenlampenkopf und dem Taschenlampengehäuse eine ringförmige Kontaktfeder drehbar gelagert ist, die mit einem ersten Teilabschnitt eine gehäuseseitige, ringförmige, elektrische Kontaktfläche kontaktiert und dort in vorbestimmten Positionen einrastet, und die mit einem zweiten Teilabschnitt elektrische Kontaktzonen einer Platte überstreicht und hierdurch unterschiedliche Schaltzustände schaltet, wobei die ringförmige Kontaktfeder zumindest mittelbar mit dem Taschenlampenkopf verbunden ist, so dass die Kontaktfeder durch eine Drehbewegung des Taschenlampenkopfes verdreht wird. Die Platte ist verdrehsicher und zumindest mittelbar mit dem Taschenlampengehäuse verbunden, wobei die Platte nach einer besonders bevorzugten Ausgestaltung mit einer Ringhülse verbunden ist, die lampenkopfseitig in das Taschenlampengehäuse einsetzbar ist und auf der lampenkopfseitig die elektrische Kontaktfläche sowie mehrere zueinander beabstandete nutförmige Ausnehmungen angeordnet sind. In diese nutförmigen Ausnehmungen rastet die Kontaktfeder ein, womit eine Verdrehung der Kontaktfeder und damit eine Verstellung des Schaltzustandes nur gegen die axial wirkende Kraft der Feder möglich ist.This object is achieved by the flashlight according to claim 1. According to the invention it is provided that an annular contact spring is rotatably mounted between the flashlight head and the flashlight housing, which contacts a housing-side, annular, electrical contact surface with a first section and engages there in predetermined positions, and which sweeps over electrical contact zones of a plate with a second section and this switches different switching states, the annular contact spring being at least indirectly connected to the flashlight head, so that the contact spring is rotated by a rotary movement of the flashlight head. The plate is non-rotatable and at least indirectly connected to the flashlight housing, the plate being connected, according to a particularly preferred embodiment, to an annular sleeve which can be inserted into the flashlight housing on the lamp head side and the electrical contact surface and several spaced-apart groove-shaped recesses are arranged on the lamp head side. The contact spring engages in these groove-shaped recesses, so that a rotation of the contact spring and thus an adjustment of the switching state is only possible against the axially acting force of the spring.

Bei der Herstellung einer solchen Taschenlampe werden für eine eindeutige Zuordnung der Schaltzustände nach dem ersten Zusammensetzen - also der werksseitigen Montage - der Taschenlampe und nach einem ersten Einschalten die Schaltzustände durch jeweils eine lampenkopfseitige und eine gehäuseseitige Markierung für spätere Einschaltvorgänge eindeutig festgelegt.In the manufacture of such a flashlight, the switching states after the first assembly - i.e. the factory assembly - of the flashlight and after the first switch-on are used for a clear assignment Switching states are clearly defined by marking on the lamp head side and one on the housing side for subsequent switch-on processes.

Dadurch, dass der Taschenlampenkopf und das Taschenlampengehäuse verliersicher miteinander verbunden sind und zum Austausch der Batterien nicht mehr voneinander getrennt werden müssen, bleibt die relative Winkelposition zwischen dem Taschenlampengehäuse und dem Taschenlampenkopf, die letzten Endes den Drehschalter bilden, erhalten. Hiernach ist ein unbeabsichtigtes Verstellen der festgelegten relativen Position und mithin eine Verstellung der Schaltzustände ausgeschlossen. Insofern kann vor dem Einschalten der Taschenlampe sicher eingestellt werden, in welcher Funktion - wie beispielsweise in welcher Farbe oder Intensität - die Taschenlampe leuchten soll. Missverständnisse zwischen Arbeitern, die über derartige Signale miteinander kommunizieren, sind hierdurch ausgeschlossen.Because the flashlight head and the flashlight housing are securely connected and no longer have to be separated to replace the batteries, the relative angular position between the flashlight housing and the flashlight head, which ultimately form the rotary switch, is retained. According to this, an unintentional adjustment of the specified relative position and therefore an adjustment of the switching states is excluded. In this respect, before the flashlight is switched on, the function in which the flashlight should shine - such as in which color or intensity - can be set. This rules out misunderstandings between workers who communicate with each other via such signals.

Bevorzugte Ausführungsformen der vorliegenden Erfindung werden im Folgenden und in den Unteransprüchen angegeben.Preferred embodiments of the present invention are given below and in the subclaims.

Nach einer ersten bevorzugten Ausführungsform der Erfindung ist mindestens eine der Markierungen auf einem Ringelement angeordnet, das verdrehsicher mit dem vorzugsweise zylinderförmigen Taschenlampengehäuse oder dem vorzugsweise zylinderförmigen Taschenlampenkopfverbunden ist. Dabei wird das Ringelement nach dem ersten Einschalten verdrehsicher mit dem Taschenlampengehäuse oder dem Taschenlampenkopf verbunden. Alternativ zu einer Ausführungsform mit einem Ringelement besteht auch die Möglichkeit, die Markierungen nach dem Zusammensetzen unmittelbar auf den Taschenlampenkopf oder das Taschenlampengehäuse aufzulöten, anzukleben oder anderweitig aufzubringen.According to a first preferred embodiment of the invention, at least one of the markings is arranged on a ring element which is connected to the preferably cylindrical flashlight housing or the preferably cylindrical flashlight head in a rotationally secure manner. After the first switch-on, the ring element is connected to the torch housing or the torch head so that it cannot rotate. As an alternative to an embodiment with a ring element, there is also the possibility of soldering, gluing or otherwise applying the markings directly to the flashlight head or the flashlight housing after assembly.

Neben den nutförmigen Vertiefungen und der ringförmigen Kontaktfläche ist die Ringhülse nach einer bevorzugten Ausführungsform der Erfindung in radialer Richtung bereichsweise von dem Taschenlampengehäuse beabstandet, womit die Ringhülse eine rückwärtige ringförmige Anschlagfläche bildet. Diese Anschlagfläche ist Teil der verliersicheren Lagerung des Taschenlampenkopfes. Hierzu besitzt der Taschenlampenkopf nämlich vorzugsweise ein vorderes Teil und ein hinteres Teil, wobei in dem vorderen Teil ein Reflektor oder eine Linse von einer Fixierhülse gehalten wird. Demgegenüber weist der hintere Teil vorzugsweise eine ringförmige Anlagefläche auf, die im zusammengebauten Zustand zur Bildung einer verliersicheren Verbindung zwischen dem Taschenlampenkopf und dem Taschenlampengehäuse an der Anschlagfläche der Ringhülse anliegt.In addition to the groove-shaped depressions and the ring-shaped contact surface, according to a preferred embodiment of the invention, the ring sleeve is spaced apart from the flashlight housing in some areas in the radial direction, so that the ring sleeve forms a rearward ring-shaped stop surface. This stop surface is part of the captive storage of the torch head. For this purpose, the flashlight head preferably has a front part and a rear part, a reflector or a lens being held by a fixing sleeve in the front part. In contrast, the rear part preferably has an annular contact surface which, in the assembled state, rests against the contact surface of the annular sleeve to form a captive connection between the torch head and the torch housing.

Damit die Kontaktfeder durch eine Drehbewegung des verliersicher gehaltenen Taschenlampenkopfes verdreht wird, weist die Fixierhülse nach einer bevorzugten Ausführungsform der Erfindung mindestens eine Ausnehmung auf, in die ein Mitnehmer der ringförmigen Kontaktfeder eingreift. Alternativ hierzu kann der Mitnehmer auch in einer Ausnehmung des Lampenkopfes hineinragen.So that the contact spring is rotated by a rotational movement of the torch head held in a captive manner, the fixing sleeve according to a preferred embodiment of the invention has at least one recess into which a driver of the annular contact spring engages. As an alternative to this, the driver can also protrude into a recess in the lamp head.

Insgesamt wird insbesondere durch die bevorzugten Ausgestaltungen eine einfache, robuste und mithin kostenschonende Möglichkeit geschaffen, einen Drehschalter zu schaffen, der auf Dauer eine eindeutige Zuordnung der Schaltzustände erlaubt. Die wesentlichen Bauteile des Drehschalters sind dabei der drehbare aber verliersicher gehaltene Taschenlampenkopf, die zumindest mittelbar mit dem Taschenlampenkopf verbundene Kontaktfeder und die Kontaktplatte, die verdrehsicher im Taschenlampengehäuse oder einer damit verbundenen Ringhülse verbunden ist. Die Zuordnung der Schaltzustände wird durch Markierungen auf dem Ringelement und dem Taschenlampenkopf festgelegt. Auf die komplizierte und teure Anordnung von Hall-Sonden oder dergleichen kann mithin verzichtet werden.Overall, the preferred embodiments in particular create a simple, robust and therefore cost-saving possibility of creating a rotary switch that allows the switching states to be clearly assigned over the long term. The main components of the rotary switch are the rotatable but captive torch head, the contact spring, which is at least indirectly connected to the torch head, and the contact plate, which is connected to the torch housing or an annular sleeve connected to it. The assignment of the switching states is determined by markings on the ring element and the torch head. The complicated and expensive arrangement of Hall probes or the like can therefore be dispensed with.

Eine konkrete Ausführungsform der vorliegenden Erfindung wird im Folgenden anhand der Figuren erläutert. Es zeigen:

Fig. 1a, b:
Querschnittsansichten einer zusammengebauten Taschenlampe,
Fig. 2:
eine perspektivische Ansicht einer Kontaktfeder und
Fig. 3a, b:
perspektivische Darstellungen einer Taschenlampe ohne den vorderen Teil des Taschenlampenkopfes.
A specific embodiment of the present invention is explained below with reference to the figures. Show it:
Fig. 1a, b:
Cross-sectional views of an assembled flashlight,
Fig. 2:
a perspective view of a contact spring and
Fig. 3a, b:
perspective views of a flashlight without the front part of the flashlight head.

Eine konkrete Ausführungsform einer erfindungsgemäßen Taschenlampe 1 besteht im Wesentlichen aus einem Taschenlampengehäuse 2, einem hierzu um die Längsachse A drehbar gelagerten und verliersicher gehaltenen Taschenlampenkopf 3, der ein hinteres Teil 4 und ein vorderes Teil 5 besitzt, einer Ringhülse 6, einer Kontaktplatte 7 und einer Kontaktfeder 8. Die Ringhülse 6 ist über einen Gewindeabschnitt 9 mit dem Taschenlampengehäuse 2 verbunden. Alternativ hierzu könnte die Ringhülse 6 auch mit dem Taschenlampengehäuse 2 verklebt, verpresst oder anderweitig lösbar oder unlösbar verbunden sein. An dem dem Taschenlampengehäuse 2 abgewandten Ende ist die Ringhülse 6 verdrehsicher mit der Kontaktplatte 7 verbunden, auf der mehrere elektrische Kontaktzonen 10, 10', 10", 10"' (siehe Abbildung 3b) ausgebildet sind. Ferner befindet sich auf der Kontaktplatte 7 eine Lichtquelle in Form einer LED 11. Die Ringhülse 6 überragt in radialer Richtung das Taschenlampengehäuse 2, so dass auf der Ringhülse 6 eine rückwärtige ringförmige Anschlagfläche 12 gebildet wird. Im zusammengebauten Zustand ist diese Anschlagfläche 12 mit einer korrespondierenden Anlagefläche des hinteren Teils 4 des Taschenlampenkopfes 3 in Anlage, womit der Taschenlampenkopf 3 verliersicher aber um die Längsachse A verdrehbar mit dem Taschenlampengehäuse 2 verbunden ist.A specific embodiment of a flashlight 1 according to the invention consists essentially of a flashlight housing 2, a flashlight head 3 which is rotatably mounted about the longitudinal axis A and is held securely in place and which has a rear part 4 and a front part 5, an annular sleeve 6, a contact plate 7 and a Contact spring 8. The annular sleeve 6 is connected to the flashlight housing 2 via a threaded section 9. As an alternative to this, the ring sleeve 6 could also be glued, pressed or otherwise detachably or non-detachably connected to the flashlight housing 2. At the end facing away from the flashlight housing 2, the ring sleeve 6 is connected to the contact plate 7 so that it cannot rotate, on which several electrical contact zones 10, 10 ', 10 ", 10"' (see FIG Figure 3b ) are trained. A light source in the form of an LED 11 is also located on the contact plate 7. The annular sleeve 6 projects beyond the flashlight housing 2 in the radial direction, so that a rear annular stop surface 12 is formed on the annular sleeve 6. In the assembled state, this stop surface 12 is in contact with a corresponding contact surface of the rear part 4 of the flashlight head 3, whereby the flashlight head 3 is connected to the flashlight housing 2 in a captive manner but rotatable about the longitudinal axis A.

Der vordere Teil 5 des Taschenlampenkopfes 3 besitzt einen Reflektor 14, der von einer Fixierhülse 15 im vorderen Teil 5 formschlüssig gehalten wird. Die Fixierhülse 15 wird hierzu über korrespondierende Gewindeabschnitte in den vorderen Teil 5 eingeschraubt. Im zusammengebauten Zustand ist die rückwärtige Stirnfläche 16 der Fixierhülse 15 um ein Maß von der Stirnfläche 17 der Ringhülse axial beabstandet. Hier zwischen ist eine Kontaktfeder 8 angeordnet, deren Aufbau in Figur 2 detailliert dargestellt ist.The front part 5 of the flashlight head 3 has a reflector 14 which is held in a form-fitting manner by a fixing sleeve 15 in the front part 5. For this purpose, the fixing sleeve 15 is screwed into the front part 5 via corresponding threaded sections. In the assembled state, the rear end face 16 of the fixing sleeve 15 is axially spaced apart from the end face 17 of the ring sleeve by a certain amount. Here between a contact spring 8 is arranged, the structure of which in Figure 2 is shown in detail.

Die Kontaktfeder 8 ist im Wesentlichen ringförmig ausgebildet, wobei sie zwei sich über 180° erstreckende Teilkreisabschnitte 19, 20 mit unterschiedlichen Radien besitzt. Der erste Teilkreisabschnitt 19 liegt im zusammengebauten Zustand auf der elektrischen Kontaktfläche 31 (siehe Figur 3a, b) der Ringhülse 6 auf. Ferner ist in dem ersten Teilabschnitt 19 eine v-förmige Rastnase 21 ausgebildet, die in Ausnehmungen 32 (siehe Figur 3a, b) einrastet.The contact spring 8 is essentially annular, it has two partial circle sections 19, 20 extending over 180 ° with different radii. In the assembled state, the first pitch circle section 19 lies on the electrical contact surface 31 (see FIG Figure 3a, b ) of the ring sleeve 6. Furthermore, in a V-shaped locking lug 21 is formed in the first section 19, which is inserted into recesses 32 (see Figure 3a, b ) engages.

Der erste und der zweite Teilabschnitt 19, 20 sind durch ein Verbindungsstück 22, 22' miteinander verbunden, von dem sich jeweils ein Mitnehmer 23, 23' abhebt. Im zusammengebauten Zustand greifen diese Mitnehmer 23, 23' in (nicht dargestellte) Ausnehmungen der Fixierhülse15 ein, so dass sich die Kontaktfeder 8 durch Verdrehen des Taschenlampenkopfes 3 dreht.The first and the second subsections 19, 20 are connected to one another by a connecting piece 22, 22 ', from which a respective driver 23, 23' is raised. In the assembled state, these drivers 23, 23 ′ engage in recesses (not shown) in the fixing sleeve 15, so that the contact spring 8 rotates when the flashlight head 3 is rotated.

Der zweite Teilkreisabschnitt 20 der Kontaktfeder 8 ist relativ zu dem ersten Teilkreisabschnitt 19 winklig angeordnet und besitzt ein elektrisches Kontaktelement 24 in Form einer v-förmigen Vertiefung. Die Funktionsweise dieses Kontaktelementes geht insbesondere aus Figur 3a hervor.The second partial circle section 20 of the contact spring 8 is arranged at an angle relative to the first partial circle section 19 and has an electrical contact element 24 in the form of a V-shaped recess. The functionality of this contact element is based in particular Figure 3a emerged.

Hierin ist eine Taschenlampe 1 perspektiv und ohne den vorderen Teil 5 des Taschenlampenkopfes 3 dargestellt. Die Kontaktfeder 8 liegt auf der elektrischen Kontaktfläche 31 der Ringhülse 6 auf und rastet dort in Ausnehmungen 32 ein. Die Ringhülse 6 ist verdrehsicher mit der Kontaktplatte 7 verbunden, auf der unterschiedliche Kontaktzonen 10, 10', 10", 10'" ausgebildet sind. Die Kontaktfeder überstreicht je nach ihrer angularen Position mit dem v-förmigen Kontaktelement 24 die Kontaktzonen 10, 10', 10", 10'" und schaltet mithin unterschiedliche elektrische Zustände. Die Anzahl von möglichen Schaltzuständen ist prinzipiell nicht begrenzt, wobei im dargestellten Ausführungsbeispiel vier unterschiedliche Kontaktzonen 10, 10', 10", 10'" und damit vier unterschiedliche Schaltzustände vorgesehen sind.Herein, a flashlight 1 is shown in perspective and without the front part 5 of the flashlight head 3. The contact spring 8 rests on the electrical contact surface 31 of the annular sleeve 6 and engages there in recesses 32. The ring sleeve 6 is connected to the contact plate 7, secured against rotation, on which different contact zones 10, 10 ', 10 ", 10'" are formed. Depending on its angular position, the contact spring sweeps over the contact zones 10, 10 ', 10 ", 10'" with the V-shaped contact element 24 and consequently switches different electrical states. The number of possible switching states is in principle not limited, with four different contact zones 10, 10 ', 10 ", 10'" and thus four different switching states being provided in the illustrated embodiment.

Zur Verstellung der Schaltzustände wird der Taschenlampenkopf 3 und damit der vordere Teil 5 und der hintere Teil 4 in Pfeilrichtung 34 gedreht, wodurch ebenfalls die Kontaktfeder 8 gedreht wird. Damit der Benutzer vor dem Anschalten der Taschenlampe den gewünschten Schaltzustand auswählen kann, ist auf dem hinteren Teil 4 des Taschenlampenkopfes 3 eine Markierung 35 angeordnet. Ferner sind mehrere Markierungen 36, 36' auf einem Ringelement 37 aufgebracht, das erst nach dem ersten Anschalten verdrehsicher mit dem Taschenlampengehäuse 2 verbunden wird. Hierdurch bleibt die eingestellte Zuordnung der Schaltzustände auch bei einem Batteriewechsel erhalten, wozu in der Regel lediglich die Endkappe abzunehmen ist. Zum Anschalten weist die Taschenlampe vorzugsweise einen (nicht dargestellten) Druckschalter in der Endkappe (Endkappenschalter) oder am Taschenlampengehäuse auf.To adjust the switching states, the flashlight head 3 and thus the front part 5 and the rear part 4 are rotated in the direction of the arrow 34, whereby the contact spring 8 is also rotated. So that the user can select the desired switching state before switching on the flashlight, a marking 35 is arranged on the rear part 4 of the flashlight head 3. Furthermore, a plurality of markings 36, 36 ′ are applied to a ring element 37, which is only secured against rotation with the flashlight housing 2 after it has been switched on for the first time is connected. As a result, the set assignment of the switching states is retained even when the battery is changed, for which purpose, as a rule, only the end cap has to be removed. To switch it on, the flashlight preferably has a pressure switch (not shown) in the end cap (end cap switch) or on the flashlight housing.

Claims (7)

  1. Flashlight with a flashlight housing (2) and a flashlight head (3) which are connected with each other in a captive manner and rotatable to each other in order to form a rotary switch with different switching states, wherein markings (35; 36, 36') are arranged housing side and lamp head side, which allow an unambiguous assignment of the switching states, characterized in that an annular contact spring (8) is rotatably mounted between the flashlight head (3) and the flashlight housing (2), which contacts a housing side, annular, electrical contact surface (31) with a first portion (19) and latches there in predetermined positions, and which passes over electrical contact zones (10, 10', 10", 10"') of a plate (7) by means of a second portion (20) thereby switching different switching states, the plate is connected to the flashlight housing (2) in a captive manner and at least indirectly, wherein the ringshaped contact spring (8) is at least indirectly connected to the flashlight head (3) so that the contact spring (8) is rotated by a rotary movement of the flashlight head (3).
  2. Flashlight according to claim 1, characterized in that at least one of the markings (35; 36, 36 ') is arranged on a ring element (37) which is connected with the preferably cylindrical flashlight housing (2) or the preferably cylindrical flashlight head (3) in a rotationally fixed manner.
  3. Flashlight according to one of claims 1 or 2, characterized in that the plate (7) is connected with an annular sleeve (6), which is insertable into the flashlight housing (2) at its lamp head side and on which the electrical contact surface (31) and a plurality of groove-shaped recesses (32) spaced apart from each other are arranged on the lamp head side.
  4. Flashlight according to claim 3, characterized in that the annular sleeve (6) is partially spaced apart from the flashlight housing (2) in the radial direction and forms a rear annular stop face (12).
  5. Flashlight according to one of claims 1 to 4, characterized in that the flashlight head (3) has a front part (5) and a rear part (4), wherein a reflector (14) is held in the front part (5) in an interlocking manner by means of a fixing sleeve (15).
  6. Flashlight according to claim 5, characterized in that the rear part (4) has an annular stop face (13) which abuts against the stop face (12) of the ring sleeve (6) in order to form a captive connection between the flashlight head (3) and the flashlight housing (2).
  7. Flashlight according to claim 5 or 6, characterized in that the fixing sleeve (15) has at least one rearward recess in which a driver (23, 23') of the annular contact spring (8) latches, so that the contact spring (8) is rotatable by means of a rotation of the flashlight head (3).
EP14705273.2A 2013-01-04 2014-01-02 Torch with a rotary switch Active EP2941591B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013000153.6A DE102013000153A1 (en) 2013-01-04 2013-01-04 Flashlight with a rotary switch
PCT/DE2014/000002 WO2014106507A1 (en) 2013-01-04 2014-01-02 Torch with a rotary switch

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EP2941591A1 EP2941591A1 (en) 2015-11-11
EP2941591B1 true EP2941591B1 (en) 2021-02-24

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EP14705273.2A Active EP2941591B1 (en) 2013-01-04 2014-01-02 Torch with a rotary switch

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US (1) US9810413B2 (en)
EP (1) EP2941591B1 (en)
JP (1) JP6280566B2 (en)
CN (1) CN104995454B (en)
AU (1) AU2014204378B2 (en)
DE (1) DE102013000153A1 (en)
RU (1) RU2665048C2 (en)
WO (1) WO2014106507A1 (en)

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CN107676753B (en) * 2017-11-06 2024-04-16 东莞市太业电子股份有限公司 Multi-mode rotary touch switch structure for lamp holder

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DE102013000153A1 (en) 2014-07-10
CN104995454B (en) 2018-10-02
CN104995454A (en) 2015-10-21
AU2014204378B2 (en) 2017-07-20
WO2014106507A1 (en) 2014-07-10
US9810413B2 (en) 2017-11-07
RU2665048C2 (en) 2018-08-28
US20150300616A1 (en) 2015-10-22
JP6280566B2 (en) 2018-02-14
JP2016503225A (en) 2016-02-01
RU2015126262A (en) 2017-02-09
AU2014204378A1 (en) 2015-05-14
EP2941591A1 (en) 2015-11-11

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