EP1510300A2 - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- EP1510300A2 EP1510300A2 EP04104018A EP04104018A EP1510300A2 EP 1510300 A2 EP1510300 A2 EP 1510300A2 EP 04104018 A EP04104018 A EP 04104018A EP 04104018 A EP04104018 A EP 04104018A EP 1510300 A2 EP1510300 A2 EP 1510300A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- conductor
- power tool
- channel
- housing
- conductor channel
- 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
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims description 144
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000243 solution Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/24—Damping the reaction force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/041—Cable management or routing of electrical cables and wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/091—Electrically-powered tool components
- B25D2250/095—Electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/371—Use of springs
Definitions
- the invention relates to a power tool, in particular an electric motor driven Hand tool, with a mains connection and with a housing.
- a power tool in particular an electric motor driven Hand tool
- a mains connection and with a housing.
- a component such as a motor, an electronics and / or a transmission arranged.
- a conductor strand provided in the housing, the first end with a conductor of the Power cord connectable and the second end to the component of the power tool attachable is.
- the Power cord is led into the housing of the power tool and by means of separate conductor strands is the connection between the individual conductors of the power cord and the corresponding Component of the power tool created in the housing.
- the live conductors of the power cord with the conductor strands via appropriate connections on the engine or on the electronics with these components in the housing of the power tool connected.
- the conductor strands become selectively by means of individual holding parts or without any fixation lying freely in the Housing arranged.
- a disadvantage of this known solution is that in the final assembly the housing parts, the conductor strands can be pinched or even damaged. are a plurality of holding parts for fixing the conductor strands provided in the housing requires the installation of the conductor strands a great deal of time.
- Other power tools include, for example, an engine / transmission / percussion system to reduce vibration on, the oscillating to the outer housing stored in the housing is.
- the conductor strands are arranged with a sufficient length in the housing.
- the conductor wires are either fixed by means of a few holding parts in the housing or without any fixation freely lying in the housing.
- the disadvantage of this solution is that the exposed Section of the conductor strands during the final assembly of the housing parts, the conductor strands clamped or even be damaged.
- the object of the invention is to provide an electrical appliance, which is a simple assembly of Housing parts without the risk of damaging the conductor wires arranged therein allows.
- the electrical appliance should meet various country-specific requirements.
- the at least one conductor strand is in a receptacle of a conductor channel arranged, wherein the conductor channel at least one flexible portion and a rigid Section has.
- the at least one conductor strand from damage during assembly protected the housing parts of the electrical appliance and leaves the at least one conductor strand simply position in the electrical appliance.
- the rigid section ensures the desired Alignment of the at least one conductor strand in the housing.
- the flexible section allows the use of one type of ladder channel in different electric bones, because the orientation the at least one conductor strand is adaptable during assembly. As a result of the leadership of the conductor channel is the serviceability of at least one conductor strand opposite the improved known solutions.
- the flexible section of the conductor channel compensate for the movements of the conductor strands.
- the conductor strands of the conductor channel Protected from various external influences largely what the life and Thus, the usability improved significantly compared to the known solutions.
- the flexible section also prevents kinking of the conductor strands and reduces the Risk of loosening the conductor strands at their connection points.
- the conductor strand is a protective conductor strand whose first end is connected to a protective conductor connectable to the power cord and the second end to a metallic part of one, the arranged in the housing of the power tool components, such as the engine and / or the Transmission, attachable.
- the protective conductor of the power cable is used to secure the Power tool with the metallic part of the power tool (eg with the motor, the gear or percussion) by means of serving as protective conductor strand conductor strand connected, so that in case of emergency, the fuse of the power line can trigger.
- the conductor channel is integrally formed.
- the logistical effort as well as the Expenses for the assembly of the conductor channel are less than in a one-piece design in an embodiment formed of loose, joinable sections.
- the conductor channel is preferably provided for inclusion in a few embodiments of the use and cut to the required length if necessary.
- the flexible portion is formed by means of recesses on the conductor channel.
- the recesses are slit-shaped.
- the cross section of the conductor channel is advantageously through the recesses and their distance from each other such weakened that the flexible section bent in one plane in different orientations can be and is at the same time dimensionally stable like a chain.
- the conductor channel holding parts for fixing the at least one conductor strand on the conductor channel.
- the at least one conductor strand at several Held points along the conductor channel and a sliding out of the at least one conductor strand from the recording of the conductor channel is largely prevented.
- the number of arranged holding parts substantially depends on the existing loads on the electrical appliance.
- the conductor channel preferably has a first connection for the connection of the conductor channel on the housing and a second connection for connecting the conductor channel to one the components of the power tool. Since the conductor channel on the housing and on a the components of the power tool is attached, is that, in the recording of the conductor channel arranged, at least one conductor strand as a whole and in particular at their connection areas exposed to lower dynamic loads.
- the at least one conductor strand is part of the conductor channel.
- the conductor channel forms in this embodiment with the at least one conductor strand a montageetechnische Unit, whereby the at least one conductor strand preferably protected from damage is.
- the at least one conductor strand preferably projects beyond the terminals of the conductor channel in addition to the connections of the at least one conductor strand to the corresponding Enable parts.
- the first connection of the conductor channel is the at least one conductor strand z. B. by means of a luster terminal with the corresponding conductor connected to the power cord.
- second connection is the at least one Conductor strand z. B. via corresponding coupling portions on the corresponding component attached. If the at least one conductor strand is a protective conductor strand, then its second end preferably fixedly connected to the second terminal of the conductor channel, wherein the terminal conductively attached to the metallic part of the engine, impact mechanism and / or the transmission becomes.
- the first terminal has a plug-in geometry, which has a receiving geometry can be brought into engagement with the housing.
- the plug geometry includes z. B. hooks, the in accordance trained as a receiving geometry recesses inserted in the housing are.
- the first connection is usually at the free end of the rigid portion of the Conductor channels formed, or arranged, whereby the rigid section in the predetermined alignment is maintained.
- the first connection is also advantageously formed largely free of rotation, which prevents unwanted movement of the conductor channel are.
- the second connection comprises a connection eye.
- the connection lug becomes the Creation of the connection between the conductor channel and the component, or on the metallic part, for example, on or in a receptacle on the component, or pushed on the metallic part.
- the connection eye an opening through which a fastening means, such as a screw, can be passed and the connection eye on the component, respectively fixed to the metallic part.
- the second connection further comprises a Serrated washer.
- the fan disc allows a correct position and positionally accurate fixation of the conductor channel on the component, or on the metallic part of the electrical appliance.
- the conductor channel has at least partially an L-shaped cross section on.
- the conductor channel has a substantially U-shaped Cross-section on.
- To create the flexible portion of the conductor channel are at least partially two, preferably adjacent sections of the U-shaped cross section with a plurality, spaced-apart recesses, such. B. cuts, provided.
- the conductor channel is made of plastic.
- a non-conductive plastic base material is preferably used.
- the conductor channel already in one piece and in the desired Embodiment to be produced in a process step.
- Trained as a drill power tool 1 has in the housing 2 a motor 3, an electronics 16, a gear 4 and a striking mechanism 5 on. These are combined into one unit and by means of a first articulated frame 6.1 and a second articulated frame 6.2 and by means of a compression spring 7, which together form a device for the reduction of Form vibrations, oscillating in the housing 2.
- a motor 3 About the power cord 8, the one Protective conductor 9, the motor 3 is supplied with power.
- a conductor channel 11 is arranged in the housing 2, which has a protective conductor 13 in a receptacle 12.
- the protective conductor 13 is on the one hand connected to the metallic housing of the motor 3 and on the other hand with the Protective conductor 9 of the power cord 8 is connected by means of a luster terminal 10.
- the conductor channel 11 is formed in one piece and has a flexible portion 14 and a rigid portion 15 on.
- the section shown in FIG. 3 runs through the rigid section 15 of the conductor channel 11 along the line III-III in Fig. 2.
- the section shown in Fig. 4 runs through the flexible portion 14 of the conductor channel 11 along the line IV-IV in Fig. 2nd
- the flexible portion 14 is formed substantially U-shaped Cross section by means of a plurality of slot-shaped recesses 21 so weakened several times, that the flexible portion 14 is flexible yet dimensionally stable like a chain.
- Fixation of the protective conductor wire 13 are on the receptacle 12 of the conductor channel 11 in the area of the flexible portion 14 a plurality of projecting lugs formed first holding parts 22 and formed in the region of the rigid portion 15 more than protruding lugs second holding parts 23 formed.
- the conductor channel 11 is made of a plastic in the injection / casting process manufactured, with the individual elements of the conductor channel 11 in one piece are formed.
- the conductor channel 11 has a first connection 25 for the connection of the conductor channel 11 on the housing 2 and a second connection 24 for the connection of the conductor channel 11 on a metallic part of the electrical appliance 1, here on the motor 3, on.
- the first connection 25 has as plug-in geometry 29 two hooks, which in recesses on the housing 2 are inserted.
- the second terminal 24 of the conductor channel 11 comprises a Connection eye 26 which is provided with an opening 27 for passing a screw 28. By means of the screw 28, the conductor channel 11 is fixed to the motor 3.
- a fan disk 30 is provided to align the Connection eye 26 and its positioning on the motor 3 is between the connection eye 26 and the outer wall of the motor 3.
- the protective conductor 13 is factory located in the conductor channel 11.
- the one end 32 of the Schutzleiterlitze 13 projects beyond the free end of the conductor channel 11, so that this after the assembly of the conductor channel 11 in the power tool 1 subsequently with the protective conductor. 9 of the power cord 8 is connectable.
- the other end 31 of the protective conductor strand 13 is fixed to the Connection eye 26 connected.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cable Accessories (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Portable Power Tools In General (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Motor Or Generator Frames (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
Die Erfindung betrifft ein Elektrowerkzeug, insbesondere ein elektromotorisch angetriebenes Handwerkzeug, mit einem Netzanschluss und mit einem Gehäuse. Im Gehäuse ist zumindest ein Bauteil, wie ein Motor, eine Elektronik und/oder ein Getriebe, angeordnet. Weiter ist im Gehäuse zumindest eine Leiterlitze vorgesehen, deren erstes Ende mit einem Leiter des Netzkabels verbindbar und deren zweites Ende an dem Bauteil des Elektrowerkzeuges befestigbar ist.The invention relates to a power tool, in particular an electric motor driven Hand tool, with a mains connection and with a housing. In the case is at least a component, such as a motor, an electronics and / or a transmission arranged. Next is at least one conductor strand provided in the housing, the first end with a conductor of the Power cord connectable and the second end to the component of the power tool attachable is.
Elektrowerkzeuge und insbesondere elektromotorisch angetriebene Handwerkzeuge, wie z. B. Bohrmaschinen und dergleichen, werden über das Netzkabel mit Strom versorgt. Das Netzkabel wird in das Gehäuse des Elektrowerkzeuges geführt und mittels separaten Leiterlitzen wird die Verbindung zwischen den einzelnen Leitern des Netzkabels und dem entsprechenden Bauteil des Elektrowerkzeuges im Gehäuse geschaffen. So werden beispielsweise die stromführenden Leiter des Netzkabels mit den Leiterlitzen über entsprechende Anschlüsse am Motor oder an der Elektronik mit diesen Bauteilen im Gehäuse des Elektrowerkzeuges verbunden.Power tools and in particular electric motor driven hand tools, such as z. As drills and the like, are powered by the power cord. The Power cord is led into the housing of the power tool and by means of separate conductor strands is the connection between the individual conductors of the power cord and the corresponding Component of the power tool created in the housing. For example the live conductors of the power cord with the conductor strands via appropriate connections on the engine or on the electronics with these components in the housing of the power tool connected.
Bei Elektrowerkzeugen ohne eine Vorrichtung zur Reduktion der Vibrationen werden die Leiterlitzen punktuell mittels einzelner Halteteile oder ohne jegliche Fixierung frei liegend im Gehäuse angeordnet. Nachteilig an dieser bekannten Lösung ist, dass bei der Endmontage der Gehäuseteile die Leiterlitzen eingeklemmt oder sogar beschädigt werden können. Sind eine Vielzahl von Halteteilen zur Fixierung der Leiterlitzen im Gehäuse vorgesehen, erfordert die Montage der Leiterlitzen einen grossen zeitlichen Aufwand.In power tools without a device for reducing the vibrations, the conductor strands become selectively by means of individual holding parts or without any fixation lying freely in the Housing arranged. A disadvantage of this known solution is that in the final assembly the housing parts, the conductor strands can be pinched or even damaged. are a plurality of holding parts for fixing the conductor strands provided in the housing requires the installation of the conductor strands a great deal of time.
Andere Elektrowerkzeuge weisen zur Reduktion der Vibrationen beispielsweise ein Motor-/Getriebe-/Schlagwerksystem auf, das schwingend zum Aussengehäuse im Gehäuse gelagert ist. Zum Ausgleich der Schwingungen dieser Vorrichtung zur Reduktion der Vibrationen sind die Leiterlitzen mit einer ausreichenden Länge im Gehäuse angeordnet. Die Leiterlitzen werden entweder mittels wenigen Halteteilen im Gehäuse fixiert oder ohne jegliche Fixierung frei liegend im Gehäuse angeordnet. Nachteilig an dieser Lösung ist, dass der freiliegende Abschnitt der Leiterlitzen bei der Endmontage der Gehäuseteile die Leiterlitzen eingeklemmt oder sogar beschädigt werden können.Other power tools include, for example, an engine / transmission / percussion system to reduce vibration on, the oscillating to the outer housing stored in the housing is. To compensate for the vibrations of this device to reduce the vibrations the conductor strands are arranged with a sufficient length in the housing. The conductor wires are either fixed by means of a few holding parts in the housing or without any fixation freely lying in the housing. The disadvantage of this solution is that the exposed Section of the conductor strands during the final assembly of the housing parts, the conductor strands clamped or even be damaged.
Aufgabe der Erfindung ist es, ein Elektrogerät zu schaffen, das eine einfache Montage der Gehäuseteile ohne die Gefahr der Beschädigung der darin angeordneten Leiterlitzen ermöglicht. Zudem soll das Elektrogerät verschiedenen länderspezifische Anforderungen genügen.The object of the invention is to provide an electrical appliance, which is a simple assembly of Housing parts without the risk of damaging the conductor wires arranged therein allows. In addition, the electrical appliance should meet various country-specific requirements.
Die Aufgabe ist durch die Merkmale des unabhängigen Anspruchs gelöst. Vorteilhafte Weiterbildungen sind in den Unteransprüchen dargelegt.The object is solved by the features of the independent claim. Advantageous developments are set forth in the subclaims.
Gemäss der Erfindung ist die zumindest eine Leiterlitze in einer Aufnahme eines Leiterkanals angeordnet, wobei der Leiterkanal zumindest einen flexiblen Abschnitt und einen starren Abschnitt aufweist.According to the invention, the at least one conductor strand is in a receptacle of a conductor channel arranged, wherein the conductor channel at least one flexible portion and a rigid Section has.
Infolge des Leiterkanals ist die zumindest eine Leiterlitze vor Beschädigungen bei der Montage der Gehäuseteile des Elektrogerätes geschützt und lässt sich die zumindest eine Leiterlitze einfach im Elektrogerät positionieren. Der starre Abschnitt gewährleistet die gewünschte Ausrichtung der zumindest einen Leiterlitze im Gehäuse. Der flexible Abschnitt ermöglicht die Verwendung eines Typs eines Leiterkanals in verschiedenen Elektrogräten, da die Ausrichtung der zumindest einen Leiterlitze bei der Montage anpassbar ist. Infolge der Führung des Leiterkanals ist die Gebrauchstauglichkeit der zumindest einen Leiterlitze gegenüber den bekannten Lösungen verbessert.As a result of the conductor channel, the at least one conductor strand from damage during assembly protected the housing parts of the electrical appliance and leaves the at least one conductor strand simply position in the electrical appliance. The rigid section ensures the desired Alignment of the at least one conductor strand in the housing. The flexible section allows the use of one type of ladder channel in different electric bones, because the orientation the at least one conductor strand is adaptable during assembly. As a result of the leadership of the conductor channel is the serviceability of at least one conductor strand opposite the improved known solutions.
Zur Versorgung der im Gehäuse angeordneten Bauteile des Elektrogerätes mit Strom werden beispielsweise zwei Leiterlitzen in die Aufnahme des Leiterkanals eingelegt und der Leiterkanal in das Gehäuse des Elektrogerätes eingesetzt. Anschliessend wird jeweils das eine Ende einer der Leiterlitzen mit einem der stromführenden Leitern des Netzkabels verbunden und jeweils das andere Ende jeder Leiterlitze an dem entsprechenden Bauteil des Elektrogerätes angeschlossen. In einer Variante dazu wird zuerst der Leiterkanal in dem Gehäuse befestigt und anschliessend die Leiterlitzen in die Aufnahme des Leiterkanals eingelegt und so im Gehäuse des Elektrogerätes fixiert. In dieser Variante können die Leiterlitzen bereits vor dem Einlegen in den Leiterkanal an dem entsprechenden Bauteil des Elektrogerätes angeschlossen und mit dem entsprechenden Leiter des Netzkabels verbunden sein. To supply the arranged in the housing components of the electrical appliance with electricity for example, two conductor strands inserted into the receptacle of the conductor channel and the conductor channel inserted into the housing of the electrical appliance. Subsequently, each one End of one of the conductor wires connected to one of the current-carrying conductors of the power cable and the other end of each conductor strand on the corresponding component of the electrical appliance connected. In a variant of this, first the conductor channel in the housing attached and then inserted the conductor strands in the receptacle of the conductor channel and so fixed in the housing of the electrical appliance. In this variant, the conductor strands already connected before insertion in the conductor channel to the corresponding component of the electrical appliance and be connected to the appropriate conductor of the power cord.
Weist das Elektrogerät eine schwingend im Aussengehäuse des Elektrogerätes gelagerte Vorrichtung zur Reduktion der Vibrationen auf, so kann der flexible Abschnitt des Leiterkanals die Bewegungen der Leiterlitzen ausgleichen. Dabei sind die Leiterlitzen von dem Leiterkanal vor diversen äusseren Einflüssen weitgehend geschützt, was die Lebensdauer und somit die Gebrauchstauglichkeit massgeblich gegenüber den bekannten Lösungen verbessert. Der flexible Abschnitt verhindert zudem ein Abknicken der Leiterlitzen und reduziert die Gefahr eines Lösens der Leiterlitzen an deren Anschlusspunkten.Does the electrical appliance a swinging stored in the outer casing of the electrical appliance Device for reducing the vibrations, so can the flexible section of the conductor channel compensate for the movements of the conductor strands. In this case, the conductor strands of the conductor channel Protected from various external influences largely what the life and Thus, the usability improved significantly compared to the known solutions. The flexible section also prevents kinking of the conductor strands and reduces the Risk of loosening the conductor strands at their connection points.
Vorzugsweise ist die Leiterlitze eine Schutzleiterlitze, deren erstes Ende mit einem Schutzleiter des Netzkabels verbindbar und deren zweites Ende an einem metallischen Teil eines, der im Gehäuse des Elektrowerkzeuges angeordneten Bauteile, wie der Motor und/oder das Getriebe, befestigbar ist. In gewissen Ländern, wie beispielsweise den USA, müssen Elektrowerkzeuge und insbesondere elektromotorisch angetriebene Handwerkzeuge mit einem Schutzleiter ausgestattet sein. Der Schutzleiter des Netzkabels wird zur Absicherung des Elektrowerkzeuges mit dem metallischen Teil des Elektrowerkzeuges (z. B mit dem Motor, dem Getriebe oder dem Schlagwerk) mittels der als Schutzleiterlitze dienenden Leiterlitze verbunden, damit im Ernstfall die Sicherung der Netzleitung auslösen kann.Preferably, the conductor strand is a protective conductor strand whose first end is connected to a protective conductor connectable to the power cord and the second end to a metallic part of one, the arranged in the housing of the power tool components, such as the engine and / or the Transmission, attachable. In certain countries, such as the US, power tools need and in particular electric motor driven hand tools with a Protective earth be equipped. The protective conductor of the power cable is used to secure the Power tool with the metallic part of the power tool (eg with the motor, the gear or percussion) by means of serving as protective conductor strand conductor strand connected, so that in case of emergency, the fuse of the power line can trigger.
Vorzugsweise ist der Leiterkanal einteilig ausgebildet. Der logistische Aufwand sowie der Aufwand für die Montage des Leiterkanals sind bei einer einteiligen Ausführung geringer als bei einer Ausführung, die aus losen, zusammenfügbaren Abschnitten gebildet ist. Der Leiterkanal wird bevorzugt in einigen wenigen Ausführungen der Verwendung zur Aufnahme bereitgestellt und bei Bedarf auf die gewünschte Länge abgelängt.Preferably, the conductor channel is integrally formed. The logistical effort as well as the Expenses for the assembly of the conductor channel are less than in a one-piece design in an embodiment formed of loose, joinable sections. The conductor channel is preferably provided for inclusion in a few embodiments of the use and cut to the required length if necessary.
Bevorzugt ist der flexible Abschnitt mittels Ausnehmungen an dem Leiterkanal gebildet. Vorzugsweise sind die Ausnehmungen schlitzförmig ausgebildet. Der Querschnitt des Leiterkanals wird durch die Ausnehmungen und deren Abstand zu einander vorteilhafterweise derart geschwächt, dass der flexible Abschnitt in einer Ebene in verschiedenen Ausrichtungen gebogen werden kann und gleichzeitig seitlich formstabil wie eine Kette ist.Preferably, the flexible portion is formed by means of recesses on the conductor channel. Preferably the recesses are slit-shaped. The cross section of the conductor channel is advantageously through the recesses and their distance from each other such weakened that the flexible section bent in one plane in different orientations can be and is at the same time dimensionally stable like a chain.
Vorteilhafterweise weist der Leiterkanal Halteteile zum Fixieren der zumindest einen Leiterlitze an dem Leiterkanal auf. Mit den Halteteilen wird die zumindest einen Leiterlitze an mehreren Punkten entlang des Leiterkanals gehalten und ein Ausgleiten der zumindest einen Leiterlitze aus der Aufnahme des Leiterkanals ist weitgehend verhindert. Neben der sicheren Fixierung der zumindest einen Leiterlitze ist die Anzahl der angeordneten Halteteile im Wesentlichen von den vorhandenen Belastungen auf das Elektrogerät abhängig. Advantageously, the conductor channel holding parts for fixing the at least one conductor strand on the conductor channel. With the holding parts, the at least one conductor strand at several Held points along the conductor channel and a sliding out of the at least one conductor strand from the recording of the conductor channel is largely prevented. In addition to the safe Fixation of the at least one conductor strand is the number of arranged holding parts substantially depends on the existing loads on the electrical appliance.
Bevorzugt weist der Leiterkanal einen ersten Anschluss für den Anschluss des Leiterkanals an dem Gehäuse und einen zweiten Anschluss für den Anschluss des Leiterkanals an einem der Bauteile des Elektrowerkzeuges auf. Da der Leiterkanal an dem Gehäuse und an einem der Bauteile des Elektrowerkzeuges befestigt ist, ist die, in der Aufnahme des Leiterkanals angeordneten, zumindest einen Leiterlitze als Gesamtes und insbesondere an deren Anschlussbereichen geringeren dynamischen Belastungen ausgesetzt.The conductor channel preferably has a first connection for the connection of the conductor channel on the housing and a second connection for connecting the conductor channel to one the components of the power tool. Since the conductor channel on the housing and on a the components of the power tool is attached, is that, in the recording of the conductor channel arranged, at least one conductor strand as a whole and in particular at their connection areas exposed to lower dynamic loads.
Vorzugsweise ist die zumindest eine Leiterlitze Bestandteil des Leiterkanals. Der Leiterkanal bildet in dieser Ausführungsform mit der zumindest einen Leiterlitze eine montagetechnische Einheit, womit die zumindest eine Leiterlitze in bevorzugter Weise vor Beschädigungen geschützt ist. Die zumindest eine Leiterlitze ragt vorzugsweise über die Anschlüsse des Leiterkanals hinaus, um die Anschlüsse der zumindest einen Leiterlitze an die entsprechenden Teile zu ermöglichen. Beim gehäuseseitigen, ersten Anschluss des Leiterkanals wird die zumindest eine Leiterlitze z. B. mittels einer Lüsterklemme mit dem entsprechenden Leiter des Netzkabels verbunden. Beim bauteilseitigen, zweiten Anschluss wird die zumindest eine Leiterlitze z. B. über entsprechende Kupplungsabschnitte an dem entsprechenden Bauteil befestigt. Ist die zumindest eine Leiterlitze eine Schutzleiterlitze, so ist deren zweites Ende bevorzugt fest mit dem zweiten Anschluss des Leiterkanals verbunden, wobei der Anschluss leitend an dem metallischen Teil des Motors, des Schlagwerks und/oder des Getriebes befestigt wird.Preferably, the at least one conductor strand is part of the conductor channel. The conductor channel forms in this embodiment with the at least one conductor strand a montageetechnische Unit, whereby the at least one conductor strand preferably protected from damage is. The at least one conductor strand preferably projects beyond the terminals of the conductor channel in addition to the connections of the at least one conductor strand to the corresponding Enable parts. At the housing side, the first connection of the conductor channel is the at least one conductor strand z. B. by means of a luster terminal with the corresponding conductor connected to the power cord. When component-side, second connection is the at least one Conductor strand z. B. via corresponding coupling portions on the corresponding component attached. If the at least one conductor strand is a protective conductor strand, then its second end preferably fixedly connected to the second terminal of the conductor channel, wherein the terminal conductively attached to the metallic part of the engine, impact mechanism and / or the transmission becomes.
Bevorzugt weist der erste Anschluss eine Steckgeometrie auf, die mit einer Aufnahmegeometrie an dem Gehäuse in Eingriff bringbar ist. Die Steckgeometrie umfasst z. B. Haken, die in entsprechend als Aufnahmegeometrie ausgebildete Ausnehmungen im Gehäuse einführbar sind. Der erste Anschluss ist zumeist an dem freien Ende des starren Abschnitts des Leiterkanals ausgeformt, beziehungsweise angeordnet, womit der starre Abschnitt in der vorbestimmten Ausrichtung gehalten wird. Der erste Anschluss ist zudem vorteilhafterweise weitgehend drehfrei ausgebildet, womit unerwünschte Bewegungen des Leiterkanals verhindert sind.Preferably, the first terminal has a plug-in geometry, which has a receiving geometry can be brought into engagement with the housing. The plug geometry includes z. B. hooks, the in accordance trained as a receiving geometry recesses inserted in the housing are. The first connection is usually at the free end of the rigid portion of the Conductor channels formed, or arranged, whereby the rigid section in the predetermined alignment is maintained. The first connection is also advantageously formed largely free of rotation, which prevents unwanted movement of the conductor channel are.
Bevorzugt umfasst der zweite Anschluss eine Anschlussöse. Die Anschlussöse wird zur Schaffung der Verbindung zwischen dem Leiterkanal und dem Bauteil, beziehungsweise an dem metallischen Teil beispielsweise auf oder in eine Aufnahme an dem Bauteil, beziehungsweise an dem metallischen Teil geschoben. In einer weiteren Ausführungsform weist die Anschlussöse eine Öffnung auf, durch welche ein Befestigungsmittel, wie beispielsweise eine Schraube, hindurchführbar ist und die Anschlussöse an dem Bauteil, beziehungsweise an dem metallischen Teil fixiert. Vorteilhafterweise umfasst der zweite Anschluss weiter eine Fächerscheibe. Die Fächerscheibe erlaubt eine lagerichtige und positionsgenaue Fixierung des Leiterkanals an dem Bauteil, beziehungsweise an dem metallischen Teil des Elektrogerätes.Preferably, the second connection comprises a connection eye. The connection lug becomes the Creation of the connection between the conductor channel and the component, or on the metallic part, for example, on or in a receptacle on the component, or pushed on the metallic part. In a further embodiment the connection eye an opening through which a fastening means, such as a screw, can be passed and the connection eye on the component, respectively fixed to the metallic part. Advantageously, the second connection further comprises a Serrated washer. The fan disc allows a correct position and positionally accurate fixation of the conductor channel on the component, or on the metallic part of the electrical appliance.
Vorzugsweise weist der Leiterkanal zumindest bereichsweise einen L-förmigen Querschnitt auf. Insbesondere mit der Anordnung von mehreren Halteteilen an den freien Enden des L-förmigen Querschnitts ist eine ausreichende Fixierung der zumindest einen Leiterlitze im Leiterkanal gegeben. Zudem kann beispielsweise durch mehrfaches Einschneiden eines der Schenkel des L-förmigen Querschnitts der flexible Abschnitt des Leiterkanals geschaffen werden. In einer Variante dazu weist der Leiterkanal einen im Wesentlichen U-förmigen Querschnitt auf. Zur Schaffung des flexiblen Abschnitts des Leiterkanals werden zumindest teilweise zwei, bevorzugt benachbarte Abschnitte des U-förmigen Querschnitts mit mehreren, zueinander beabstandeten Ausnehmungen, wie z. B. Einschnitte, versehen.Preferably, the conductor channel has at least partially an L-shaped cross section on. In particular, with the arrangement of several holding parts at the free ends of the L-shaped Cross-section is a sufficient fixation of the at least one conductor strand in Conductor channel given. In addition, for example, by multiple cutting one of Leg of the L-shaped cross section created the flexible portion of the conductor channel become. In a variant, the conductor channel has a substantially U-shaped Cross-section on. To create the flexible portion of the conductor channel are at least partially two, preferably adjacent sections of the U-shaped cross section with a plurality, spaced-apart recesses, such. B. cuts, provided.
Vorteilhafterweise ist der Leiterkanal aus Kunststoff gefertigt. Zur Fertigung des Leiterkanals wird bevorzugt ein nichtleitendes Kunststoff-Grundmaterial verwendet. Mittels beispielsweise eines Spritz-/Gussverfahrens kann der Leiterkanal bereits einteilig und in der gewünschten Ausgestaltung in einem Verfahrensschritt hergestellt werden.Advantageously, the conductor channel is made of plastic. For the production of the conductor channel For example, a non-conductive plastic base material is preferably used. For example an injection / casting process, the conductor channel already in one piece and in the desired Embodiment to be produced in a process step.
Aus der nachfolgenden Detailbeschreibung und der Gesamtheit der Patentansprüche ergeben sich weitere vorteilhafte Ausführungsformen und Merkmalskombinationen der Erfindung.From the following detailed description and the totality of the claims result further advantageous embodiments and feature combinations of the invention.
Die Erfindung wird nachstehend anhand eines Ausführungsbeispieles näher erläutert. Es zeigen:
- Fig. 1
- Einen Teillängsschnitt eines erfindungsgemässen Elektrowerkzeuges mit einem Leiterkanal;
- Fig. 2
- eine Ansicht des Leiterkanals, gemäss Fig. 1 von der Rückseite;
- Fig. 3
- einen Schnitt durch den Leiterkanal entlang der Linie III-III in Fig. 2; und
- Fig. 4
- einen Schnitt durch den Leiterkanal entlang der Linie IV-IV in Fig. 2.
- Fig. 1
- A partial longitudinal section of an inventive power tool with a conductor channel;
- Fig. 2
- a view of the conductor channel, according to Figure 1 from the back.
- Fig. 3
- a section through the conductor channel along the line III-III in Fig. 2; and
- Fig. 4
- a section through the conductor channel along the line IV-IV in Fig. 2nd
Grundsätzlich sind in den Figuren gleiche Teile mit den gleichen Bezugszeichen versehen.Basically, the same parts are provided with the same reference numerals in the figures.
Die Ausführungen zu den Figuren beziehen sich auf ein erfindungsgemässes Elektrowerkzeug, welches mit einer Schutzleiterlitze elektrisch abgesichert ist. Bei einer Anordnung von Leiterlitzen zur Stromversorgung der, im Gehäuse des erfindungsgemässen Elektrowerkzeuges angeordneten Bauteile gelten die nachfolgenden Ausführungen sinngemäss.The explanations concerning the figures relate to a power tool according to the invention, which is electrically protected with a protective conductor strand. In an arrangement of Conductor strands for the power supply, in the housing of the inventive power tool arranged components, the following statements apply mutatis mutandis.
Das als Bohrmaschine ausgebildete Elektrowerkzeug 1 weist im Gehäuse 2 einen Motor 3,
eine Elektronik 16, ein Getriebe 4 und ein Schlagwerk 5 auf. Diese sind zu einer Einheit zusammengefasst
und mittels einem ersten Gelenkrahmen 6.1 und einem zweiten Gelenkrahmen
6.2 sowie mittels einer Druckfeder 7, die zusammen eine Vorrichtung zur Reduktion der
Vibrationen bilden, im Gehäuse 2 schwingend gelagert. Über das Netzkabel 8, das einen
Schutzleiter 9 aufweist, wird der Motor 3 mit Strom versorgt.Trained as a drill power tool 1 has in the housing 2 a
Zur Absicherung des Elektrowerkzeuges 1 ist ein Leiterkanal 11 im Gehäuse 2 angeordnet,
der in einer Aufnahme 12 eine Schutzleiterlitze 13 aufweist. Die Schutzleiterlitze 13 ist einerseits
an dem metallischen Gehäuse des Motors 3 angeschlossen und andererseits mit dem
Schutzleiter 9 des Netzkabels 8 mittels einer Lüsterklemme 10 verbunden. Der Leiterkanal
11 ist einteilig ausgebildet und weist einen flexiblen Abschnitt 14 sowie einen starren Abschnitt
15 auf. Der in der Fig. 3 dargestellte Schnitt verläuft durch den starren Abschnitt 15
des Leiterkanals 11 entlang der Linie III-III in Fig. 2. Der in der Fig. 4 dargestellte Schnitt verläuft
durch den flexiblen Abschnitt 14 des Leiterkanals 11 entlang der Linie IV-IV in Fig. 2.To secure the power tool 1, a conductor channel 11 is arranged in the
Zur Schaffung des flexiblen Abschnitts 14 ist der im Wesentlichen U-förmig ausgebildete
Querschnitt mittels mehreren, schlitzförmigen Ausnehmungen 21 derart mehrfach geschwächt,
dass der flexible Abschnitt 14 flexibel und doch formstabil wie eine Kette ist. Zur
Fixierung der Schutzleiterlitze 13 sind an der Aufnahme 12 des Leiterkanals 11 im Bereich
des flexiblen Abschnitts 14 mehrere als vorspringende Nasen ausgebildete erste Halteteile
22 und im Bereich des starren Abschnitts 15 mehrere als vorspringende Nasen ausgebildete
zweite Halteteile 23 ausgebildet. Der Leiterkanal 11 ist aus einem Kunststoff im Spritz-/Gussverfahren
gefertigt, wobei die einzelnen Elemente des Leiterkanals 11 in einem Guss
ausgeformt sind.To create the
Der Leiterkanal 11 weist einen ersten Anschluss 25 für den Anschluss des Leiterkanals 11
an dem Gehäuse 2 und einen zweiten Anschluss 24 für den Anschluss des Leiterkanals 11
an einem metallischen Teil des Elektrogerätes 1, hier an dem Motor 3, auf. Der erste Anschluss
25 weist als Steckgeometrie 29 zwei Haken auf, welche in Ausnehmungen am Gehäuse
2 einsteckbar sind. Der zweite Anschluss 24 des Leiterkanals 11 umfasst eine
Anschlussöse 26, die mit einer Öffnung 27 zur Durchführung einer Schraube 28 versehen ist.
Mittels der Schraube 28 wird der Leiterkanal 11 am Motor 3 fixiert. Zur Ausrichtung der
Anschlussöse 26 und deren Positionierung an dem Motor 3 ist zwischen der Anschlussöse
26 und der Aussenwandung des Motors 3 eine Fächerscheibe 30 vorgesehen. The conductor channel 11 has a
Die Schutzleiterlitze 13 ist werkseitig im Leiterkanal 11 angeordnet. Das eine Ende 32 der
Schutzleiterlitze 13 steht über das freie Ende des Leiterkanals 11 vor, so dass dieses nach
der Montage des Leiterkanals 11 im Elektrowerkzeug 1 nachträglich mit dem Schutzleiter 9
des Netzkabels 8 verbindbar ist. Das andere Ende 31 der Schutzleiterlitze 13 ist fest mit der
Anschlussöse 26 verbunden.The
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10340178A DE10340178B3 (en) | 2003-09-01 | 2003-09-01 | power tool |
DE10340178 | 2003-09-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1510300A2 true EP1510300A2 (en) | 2005-03-02 |
EP1510300A3 EP1510300A3 (en) | 2006-02-15 |
EP1510300B1 EP1510300B1 (en) | 2008-06-18 |
Family
ID=34089286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04104018A Expired - Lifetime EP1510300B1 (en) | 2003-09-01 | 2004-08-20 | Electric tool |
Country Status (3)
Country | Link |
---|---|
US (1) | US7802632B2 (en) |
EP (1) | EP1510300B1 (en) |
DE (2) | DE10340178B3 (en) |
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US7850325B2 (en) * | 2007-11-30 | 2010-12-14 | Black & Decker Inc. | Light source and wiring configuration for power tool |
US8328381B2 (en) | 2009-02-25 | 2012-12-11 | Black & Decker Inc. | Light for a power tool and method of illuminating a workpiece |
US8317350B2 (en) | 2009-02-25 | 2012-11-27 | Black & Decker Inc. | Power tool with a light for illuminating a workpiece |
US20110058356A1 (en) * | 2009-02-25 | 2011-03-10 | Black & Decker Inc. | Power tool with light emitting assembly |
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US9028088B2 (en) | 2010-09-30 | 2015-05-12 | Black & Decker Inc. | Lighted power tool |
US12059780B2 (en) | 2010-09-30 | 2024-08-13 | Black & Decker Inc. | Lighted power tool |
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Also Published As
Publication number | Publication date |
---|---|
DE502004007377D1 (en) | 2008-08-07 |
DE10340178B3 (en) | 2005-04-07 |
US7802632B2 (en) | 2010-09-28 |
EP1510300A3 (en) | 2006-02-15 |
EP1510300B1 (en) | 2008-06-18 |
US20050085124A1 (en) | 2005-04-21 |
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