EP3517249B1 - Dispositif de maintien pour une machine-outil portative - Google Patents

Dispositif de maintien pour une machine-outil portative Download PDF

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Publication number
EP3517249B1
EP3517249B1 EP19151576.6A EP19151576A EP3517249B1 EP 3517249 B1 EP3517249 B1 EP 3517249B1 EP 19151576 A EP19151576 A EP 19151576A EP 3517249 B1 EP3517249 B1 EP 3517249B1
Authority
EP
European Patent Office
Prior art keywords
holding device
holding
holding unit
hand
power tool
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.)
Active
Application number
EP19151576.6A
Other languages
German (de)
English (en)
Other versions
EP3517249A1 (fr
Inventor
Thomas Duerr
Kevin Bergmann
Eva Stoll
Thomas Hampel
Timo Etzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3517249A1 publication Critical patent/EP3517249A1/fr
Application granted granted Critical
Publication of EP3517249B1 publication Critical patent/EP3517249B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/18—Devices for illuminating the head of the screw or the nut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/12—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles

Definitions

  • the present invention relates to a holding device for a hand-held power tool with a tool holder which is designed at least to hold an insert tool, in particular a screwdriver bit, the holding device being provided for holding a fastening element, in particular a screw element.
  • the hand-held power tool has a tool holder which is designed in the manner of a bit holder for receiving an insert tool designed as a screwdriver bit.
  • the holding device serves to hold a screw element, e.g. a screw, and can be locked in the bit holder.
  • auxiliary clamp assembly for a hand tool, which consists of a clamp main body and a positioning clamp ring.
  • the chuck main body can be fitted around a hand tool to assist the hand tool in gripping a screw and thus make it easier for the hand tool to tighten the screw.
  • CN 103 817 634 A discloses a non-slip safety screwdriver with a handle, LED lights and a switch.
  • the present invention provides a holding device for a hand-held power tool with a tool holder which is designed at least to hold an insert tool, in particular a screwdriver bit.
  • the holding device is provided for holding a fastening element, in particular a screw element.
  • At least one light element is provided, which is designed at least for workplace lighting, and a housing is provided which has a first holding unit for fixing the holding device to a hand-held power tool and a second holding unit for holding a fastening element.
  • the invention thus makes it possible to provide a holding device in which the first holding unit enables the holding device to be arranged directly on the hand-held power tool, in which the holding element assigned to the second holding unit enables a simplified screwing process and in which the at least one light element workplace lighting can be made possible.
  • a compact holding device can thus be provided, the light element of which can enable a safer and user-friendly screwing process.
  • the light element is preferably embodied as at least one light guide, which is embodied to guide a light beam, which is generated by a light source provided on a hand-held power tool, onto an associated work site. Workplace lighting can thus be provided in a simple manner.
  • the light guide is preferably designed to guide a light beam emitted by a front side of a hand-held power tool facing the holding device to a work location. A safe and reliable transmission of the light beam from the light source to the work site to be illuminated can thus be made possible.
  • the first holding unit is preferably arranged detachably on the housing via at least one fixing element. A simple and robust arrangement of the holding device on a hand-held power tool can thus be made possible.
  • the first holding unit has at least one positioning element which is designed to align the holding device on a handheld power tool in such a way that the light element, in particular the light guide, is arranged in the area of a light source arranged on a front side of the handheld power tool.
  • the at least one positioning element is preferably designed as an axial expansion of the holding device and engages when the holding device is arranged on a hand-held power tool into a recess formed on an end face of the hand-held power tool facing the holding device.
  • the first holding unit preferably has, in particular on its inner circumference, at least one shaped element which is designed to form an anti-twist device with a counter-contour assigned to a hand-held power tool.
  • the first holding unit preferably has a first element which is designed to form an axial fixation of the holding device on a hand-held power tool with a second element assigned to a hand-held power tool. A secure and reliable arrangement on the hand-held power tool can thus be made possible.
  • the axial fixation is designed as a snap connection, with the first element being designed as a safety clip and the second element associated with a handheld power tool being designed as an annular groove, with the safety clip engaging in the annular groove of a handheld power tool to form the snap connection.
  • the snap connection can thus be formed in a simple manner.
  • the safety clip is preferably arranged on an outer circumference of the first holding unit, the first holding unit having at least one recess which the safety clip penetrates in sections for fixing the holding device in the annular groove assigned to a hand-held power tool. In this way, an uncomplicated and reliable fixing of the holding device on the hand-held power tool can be made possible.
  • the second holding unit preferably has at least one holding element, in particular a magnet, for holding a fastening element in the axial direction of the holding device.
  • a secure and robust arrangement of a fastening element can thus be made possible by the holding device.
  • the second holding unit can be adjusted at least into a working position and a parking position that is axially displaced in the direction of the first holding unit, wherein in the working position a holding element assigned to the second holding unit is shifted in the direction of a free end of the holding device in such a way that the holding element is secured with a fastening element comes into contact, and in the parking position the second holding unit is displaced in the direction of an axial end facing the first holding unit such that the holding element releases the insert tool, the second holding unit being urged into the working position by a spring element.
  • a fastening element in the working position, or during a screwing process, can be fixed at least axially by the holding device and in the parking position a tool change can take place, with a one-handed screwing process and a one-handed tool change being possible.
  • the second holding unit preferably has at least one blocking element on its end face facing the first holding unit, wherein the at least one blocking element is acted upon in the working position against a limiting collar arranged on a free end of the holding device and in the parking position on an end facing the free end of the holding device the first holding unit is present.
  • the housing preferably has a blocking contour with at least one blocking section on its interior receptacle, and the at least one blocking element of the second holding unit rests against the at least one blocking section in the parking position.
  • the second holding unit is moved from the working position to the parking position by being displaced in the axial direction relative to the first holding unit and then rotated in the circumferential direction. Therewith an unintentional adjustment of the holding device can be prevented during a work process.
  • hand-held power tool 100 can be connected mechanically and electrically to a battery pack 115 for mains-independent power supply and is designed, for example, as a rechargeable drill/driver, but can also be operated independently of the mains, for example.
  • the present invention is not limited to cordless drills, but rather can be used in different handheld power tools in which an insert tool is rotated, e.g. in a screwdriver or cordless screwdriver, etc.
  • At least one electric drive motor 120 supplied with power by the battery pack 115 is preferably arranged in the tool housing 110 .
  • a gear is arranged in the tool housing 110, which can be assigned a torque clutch.
  • the drive motor 120 can be switched on and off, for example via a manual switch 112, and can be any type of motor, for example an electronically commutated motor or a DC motor.
  • the drive motor 120 is connected to an output unit 125 and drives the output unit 125 in rotation when the hand-held power tool 100 is in operation.
  • hand-held power tool 100 has a tool holder (210 in 2 ), which is at least for accommodating an application tool (730 in 7 ), In particular a screwdriver bit, is formed.
  • the hand-held power tool 100 can preferably be connected to a preferably exchangeable tool attachment 140 according to the invention.
  • the tool attachment 140 is designed as a holding device and is referred to below as “holding device 140”.
  • Holding device 140 preferably has an axial end 141 facing hand-held power tool 100 and a free axial end 143 .
  • the holding device 140 is preferably designed to hold a fastening element 190, in particular a screw element.
  • the holding device 140 preferably has a housing 142 which has a first holding unit 150 for fixing the holding device 140 to the hand-held power tool 100 and a second holding unit 170 for holding the fastening element 190, in particular the screw element.
  • the first holding unit 150 is preferably on the side facing the hand-held power tool 100 axial end 141 is arranged and the second holding unit 170 is arranged at the free axial end 143 .
  • First holding unit 150 is preferably configured to allow holding device 140 to be detachably attached, preferably to output unit 125 of hand-held power tool 100 .
  • the first holding unit 150 is preferably detachably arranged on the housing 142 of the holding device 140 via at least one, preferably two, fixing elements 155 .
  • the preferably two fixing elements 155 are preferably arranged diametrically opposite one another. For the detachable arrangement on the housing 142, these have recesses 145 assigned to the fixing elements 155.
  • the housing 142 has at least one, preferably two, gripping points 147.
  • the gripping points 147 are preferably arranged in the area of the recesses 145 and are preferably designed as an actuating element of the holding device 140 .
  • a user of hand-held power tool 100 can move e.g.
  • second holding unit 170 preferably has at least one holding element (510 in figure 5 ) on.
  • the second holding unit 170 is preferably arranged on the housing 142 in an axially movable manner.
  • the second holding unit 170 can be arranged in a working position and a parking position. In 1 the second holding unit 170 is arranged in the working position.
  • the holding device 140 preferably the first and second holding units 150, 170 and/or the housing 142, is preferably made of plastic, at least in sections.
  • the first and/or second holding unit 150, 170 and/or the housing 142 are preferably designed as an injection molded part.
  • the holding device 140 can also have a different material, for example steel, aluminum or any other cast material.
  • the holding device 140 preferably has at least one light element 440, which is designed at least to illuminate the work area.
  • the at least one light element 440 is preferably arranged on the holding device 140, fastened to it or integrated into it.
  • the light element 440 can be arranged on the outer and/or inner circumference of the holding device 140 .
  • the light element 440 can preferably be arranged on the outer and/or inner circumference of the housing 142 .
  • the light element 440 is preferably designed as a passive light element.
  • the light element 440 is configured as at least one light guide (610 in 6 ) educated.
  • the light guide (610 in 6 ) preferably designed to emit a light beam, which is preferably generated by a light source (240 in 2 ) is generated to route to an assigned job.
  • the light guide 610 is preferably designed to guide a light beam emitted by the end face 127 of the hand-held power tool 100 facing the holding device 140 to a work location.
  • the design of the light element 440 as a passive light element or as a light guide (610 in 6 ) has only an exemplary character and is not to be seen as a limitation of the invention.
  • the light element 440 can also be designed as an active light element or as a light source, for example as an LED.
  • several light elements 440 can also be provided.
  • multiple light guides (610 in 6 ) be provided. In this case, a plurality of light elements 440 and/or light guides can be arranged together in a common receptacle or can be arranged spaced apart from one another in a plurality of receptacles.
  • the output unit 125 is preferably operatively connected to an output shaft 212 of the handheld power tool 100 or is formed in one piece with it.
  • the output shaft 212 is preferably designed as a tool holder 210 and is driven in rotation by the drive motor 120 of the hand-held power tool 100 .
  • the tool holder 210 is preferably designed to hold an insertion tool (730 in 7 ) with external polygonal coupling, in particular a screwdriver bit, educated.
  • the insert tool (730 in 7 ) is preferably designed for screwing in and/or unscrewing a fastening element 190, in particular a screw element.
  • the tool holder 210 has, for example, a bit holder 214 for arranging the insert tool (730 in 7 ) and is preferably arranged in the area of an end face 127 of hand-held power tool 100 .
  • the bit holder 214 is preferably made of stainless steel in order to avoid field lines of a magnet assigned to the holding device 140 according to the invention (510 in figure 5 ) not to be absorbed.
  • the bit holder 214 can also have any other material, eg steel.
  • a magnetic element is preferably assigned to the bit holder 214 in order to hold the insertion tool (730 in 7 ) to keep.
  • a magnet element of this type is preferably not sufficient to magnetize a screw element 190 connected to the application tool and thus also to hold it.
  • the hand-held power tool 100 preferably has a receiving area 236 on its end face 127 or on the tool housing 110 .
  • the receiving area is fixedly arranged on the tool housing 110 or formed in one piece with it.
  • the output shaft 212 is rotatably arranged in an interior shot of the receiving area 236 .
  • the receiving area 236 preferably has a latching contour 230 at its free end.
  • the latching contour 230 is preferably designed to prevent the holding device 140 from rotating with the hand-held power tool 100 .
  • latching contour 230 is preferably designed as a counter-contour to at least one shaped element (422 in 4 ) educated.
  • the latching contour 230 preferably has at least one engagement means 231 and at least one receptacle 232 along its circumference.
  • a plurality of engagement means 231 and receptacles 232 are preferably arranged on the circumference of the latching contour 230 .
  • an engagement means 231 is arranged between two adjacent receptacles 232 or is formed by the receptacles 232 .
  • the engagement means 231 and receptacles 232 are preferably designed in such a way that each engagement means 231 is followed by a receptacle 232 . However there may also be irregular patterns of engaging means 231 and receptacles 232.
  • receiving region 236 preferably has an associated element 234 on its side facing hand-held power tool 100, which is connected to a further element (430 in 4 ) of the holding device 140 forms at least one axial fixation.
  • the element 234 is preferably designed as an annular groove.
  • hand-held power tool 100 preferably has at least one light source 240 on its end face 127 .
  • the at least one light source 240 is preferably embodied as an LED and is used to illuminate the work area.
  • hand-held power tool 100 preferably has at least one recess 250 on its end face 127.
  • two recesses 250 are formed on the end face 127 .
  • the two recesses 250 are preferably arranged diametrically opposite one another.
  • holding device 140 has axial extensions (420 in 4 ) on.
  • FIG 3 shows the end face 127 of the hand-held power tool 100 from FIG 2 and illustrates the latching contour 230.
  • the latching contour 230 has eight receptacles 232 and eight engaging means 231 by way of illustration and example.
  • the latching contour 230 can also have more or fewer than eight receptacles 232 and engagement means 231 .
  • the number of receptacles 232 and engagement means 231 can also be different.
  • clarified 3 light source 240 which is illustratively and preferably coaxial with bit holder 214.
  • the light source 240 is preferably arranged at a twelve o'clock position.
  • the preferably two recesses 250 are arranged coaxially to the bit holder 214 .
  • the two recesses 250 are arranged rotated to the light source 240, one recess 250 being located at an exemplary one o'clock position and the other recess 250 diametrically opposed at an exemplary seven o'clock position.
  • the arrangement of the recesses 250 diametrically opposite one another and/or in a one o'clock position or a seven o'clock position is only of an exemplary nature and is not to be seen as a limitation of the invention.
  • the preferably two recesses 250 can also be arranged in any other way.
  • the housing has at its in 4 illustratively an expansion area 444 in the upper area.
  • the expansion area 444 is preferably designed as a cylindrical area.
  • the expansion area 444 preferably has a receptacle 442 for arranging the at least one light element 440. It is pointed out that the expansion area 444 can also be arranged at any other point of the housing 142, for example illustratively on the side or below.
  • the first holding unit 150 arranged on the housing 142 via the fixing elements 155.
  • the first holding unit 150 preferably has an exemplary cylindrical base body 411 with an interior receptacle 412.
  • the first holding unit 150 preferably has at least one shaped element 422.
  • the at least one shaped element 422 is preferably arranged on the inner circumference of the first holding unit 150 or on the inner receptacle 412.
  • the at least one shaped element 422 is designed to form an axial lock with the counter-contour 230 embodied as a latching contour and associated with the hand-held power tool 100 .
  • the axial locking is preferably designed as an anti-twist device.
  • the shaped element 422 is rectangular in shape, but can also have any other shape, for example a triangular shape. It is pointed out that the shaped element 422 can also be assigned to the hand-held power tool 100 , the first holding unit 150 having a Recording for forming the axial locking with the hand tool 100 may have.
  • first holding unit 150 preferably has at least one recess 418, in particular on its interior receptacle 412.
  • a first element 430 assigned to first holding device 150 penetrates recess 418, preferably in sections, for at least axially fixing holding device 140 in annular groove 234 of handheld power tool 100.
  • First element 430 is preferably embodied as a safety clip 430.
  • the safety clip 430 preferably has a U-shaped base body 432 .
  • the safety clip 430 preferably has a rounded area 434 on its inner side, which extends through the recess 418 .
  • the rounded area 434 preferably engages in the annular groove 234 of the hand-held power tool 100 when the holding device 140 is mounted on the hand-held power tool 100 .
  • Safety clip 430 is preferably configured to form an axial fixation of holding device 140 on a hand-held power tool 100 with the second element assigned to hand-held power tool 100 and preferably configured as an annular groove 234 .
  • the axial fixation is preferably designed as a snap connection.
  • the safety clip 430 is preferably arranged on an outer circumference of the first holding unit 150 . To form the snap connection, safety clip 430 preferably engages through recess 418 and thus into annular groove 234 of hand-held power tool 100 .
  • First holding unit 150 preferably has a peripheral collar 414 facing hand-held power tool 100 .
  • the peripheral collar 414 preferably has at least one positioning element 420 on its side facing the hand-held power tool 100 .
  • the at least one positioning element 420 is preferably embodied as an axial expansion of holding device 140. When holding device 140 is arranged on hand-held power tool 100, the at least one positioning element 420 is arranged in or engages in recess 250 assigned to hand-held power tool 100.
  • the at least one positioning element 420 is preferably designed to align holding device 140 on hand-held power tool 100 in such a way that light element 440, in particular light guide (610 in 6 ), is arranged in the region of light source 240 arranged on end face 127 of hand-held power tool 100 .
  • two positioning elements 420 are assigned to the first holding unit 150 , which engage in the preferably two recesses 250 of the hand-held power tool 100 .
  • the configuration of two positioning elements 420 is only of an exemplary nature and is not to be seen as a limitation of the invention.
  • the first holding unit 150 or the peripheral collar 414 can also have a positioning element 420 or more than two positioning elements 420 .
  • two recesses 250 of hand-held power tool 100 and of two positioning elements 420 is merely exemplary.
  • the number of recesses 250 or positioning elements 420 can be different, in which case, for example, hand-held power tool 100 can have a larger number of recesses 250.
  • a plurality of light sources 240 can also be arranged on hand-held power tool 100 and the plurality of recesses 250 can be arranged in such a way that a different light source 240 is aligned with light element 440 in each case.
  • the first holding unit 150 preferably has a recess 416 for arranging the light element 440, preferably on its peripheral collar 414.
  • the recess 416 is preferably aligned coaxially with the receptacle 442 of the extension region 444 of the housing 142 .
  • the recess 416 is arranged in such a way that a light beam emitted by the light source 240 of the hand-held power tool 100 can be guided, preferably directly, to the light element 440 that can be arranged in sections in the recess 416 .
  • FIG 5 shows the holding device 140 of FIG 1 and 4 with the first and second holding unit 150, 170 arranged on the housing 142 figure 5 the first holding unit 150 with the positioning element 420 arranged on the peripheral collar 414 and the recess 416 for the light element 440, as well as the shaped element 422 arranged in the interior receptacle 412. Furthermore, FIG figure 5 the safety clip 430 arranged on the outer circumference of the first holding unit 150, the rounded region 434 of the safety clip 430 partially extending through the recess 418 of the first holding unit 150.
  • the first holding unit 150 preferably has a bottom surface 521 which is arranged on a side of the first holding unit 150 which faces the second holding unit 170 .
  • the bottom surface 521 preferably has a recess 522 for arranging the output shaft 212 .
  • the second holding unit 170 preferably has a cylindrical base body with an interior receptacle 532 .
  • the interior receptacle 532 preferably has a surface 536 which faces the free end 143 and is designed as a standing surface.
  • Contact surface 536 preferably has a recess for arranging the insert tool in sections (730 in 7 ) on.
  • the second holding unit 170 preferably has a receptacle 534 for arranging at least one holding element 510 on its end face facing the free end 143 of the holding device 140 .
  • the at least one holding element 510 is preferably embodied as a magnet and is used to hold a fastening element 190 in the axial direction 102 of the holding device 140 .
  • the magnet 510 is preferably designed as a ring magnet.
  • a screwing process can preferably also take place in an unfavorable position without the screw element being held in place.
  • the second holding unit 170 can be arranged in the parking position, for example.
  • the magnet 510 designed as a ring magnet is preferably designed such that a north pole of the magnet 510 is arranged in the direction of the second axial end 143 of the holding device 140 and a south pole in the direction of the first end 141 of the holding device 140, or vice versa.
  • Ring magnet 510 is preferably glued into receptacle 534 , but it can also be pressed into receptacle 534 .
  • the second holding unit 170 can also be molded onto the magnet 510 by means of plastic injection molding.
  • the magnet 510 can also be beaded in some other way.
  • the magnet 510 can also be formed from ring segments. Furthermore, several magnets for holding the screw element 190 can also be assigned to the second holding unit 170 . The magnets can also have any shape, for example an angular shape. In addition, the output shaft 212 can be made of magnetic steel. It should be noted that the magnet 510 is essentially not designed to hold the insertion tool (730 in 7 ) to magnetize.
  • the second holding unit 170 can be adjusted at least into a working position and a parking position that is axially displaced in the direction of the first holding unit 150 .
  • the second holding unit 170 is arranged in the working position in which the ring magnet 510 is displaced in the direction of a free end 143 of the holding device 140 in such a way that the ring magnet 510 preferably comes into contact with the screw element 190 .
  • the parking position the second holding unit 170 is displaced in the direction of the axial end 141 facing the first holding unit 150 in such a way that the ring magnet 510 preferentially holds the insertion tool (730 in 7 ) releases.
  • the second holding unit 170 is preferably urged into the working position by a spring element 515 .
  • the spring element 515 is preferably arranged in the interior receptacle 532 of the second holding unit 170 .
  • the spring element 515 is in contact with the contact surface 436 of the second holding unit 170 and the bottom surface 521 of the first holding unit 150 facing the second holding unit 170 .
  • the spring element 515 preferably also enables a screwing element 190 to be screwed in deeper than just up to the surface of a workpiece, without damaging the holding device 140 . Such deep screwing into the surface of the workpiece is typically the case with a wooden workpiece.
  • At least one, illustratively two, preferably four blocking elements 539 are preferably acted upon against a limiting collar 542 arranged on the free end 143 of the holding device 140 .
  • the delimiting collar 542 is preferably assigned to the housing 142 .
  • the blocking elements 539 form a delimiting element 538 .
  • the limiting member 538 prevents the second holding unit 170 from falling out of the housing 142.
  • the blocking elements 539 are in contact with the end of the first holding unit 150 facing the free end 143 of the holding device 140 .
  • clarified figure 5 clarified figure 5 the receptacle 442 of the light element 440 in the expansion area 444 of the housing 142.
  • the housing 142 preferably has an interior receptacle 622, on which a blocking contour 624 is preferably arranged.
  • the blocking contour 624 preferably has at least one blocking section (916 in 9 ) on.
  • the blocking elements 539 of the second holding unit 170 bear against the blocking contour 624 in the parking position.
  • the second holding unit 170 which preferably has at least one, illustratively four, blocking elements 539 on its end face 602 facing the first holding unit 150.
  • the blocking elements 539 are preferably designed as radial extensions.
  • the blocking elements 539 preferably have an at least approximately rectangular shape. However, the blocking elements 539 can also have any other shape, for example a triangular shape.
  • the spring element 515 and the safety clip 530 are preferably arranged between the first and second holding units 150, 170. This makes it clear 6 the preferably U-shaped base body 432 of the safety clip 430.
  • the design of the safety clip 430 with a U-shaped base body 432 is merely exemplary and should not be seen as a limitation of the invention.
  • the safety clip 430 can also have any other basic body, e.g. an angular basic body or a round basic body.
  • the first holding unit 150 with preferably two fixing elements 155, preferably arranged on its outer circumference.
  • the two fixing elements 155 are arranged diametrically opposite one another.
  • the fixing elements 155 can also be assigned to the housing 142, in particular the interior receptacle 622, it being possible for the first holding unit 150 to have the recesses 145 for arranging the fixing elements 155.
  • FIG. 12 further illustrates the first holding unit 150, which preferably has two recesses 418 for arranging the safety clip 430 in sections.
  • the two recesses 418 are preferably formed diametrically opposite one another.
  • the two recesses 418 are arranged in the area of the preferably two fixing elements 155, but could also be arranged offset to these.
  • the light element 440 is preferably embodied as at least one light guide 610.
  • the light guide 610 preferably has a cylindrical base body.
  • the light guide 610 preferably has a radial extension 612 for arrangement in the holding device 140 .
  • the radial expansion 612 is preferably arranged at a distance from an end of the light guide 610 facing the first holding unit 150 .
  • Insertion tool 730 is preferably embodied as a screwdriver bit 730, which is why insertion tool 730 is referred to below for the sake of simplicity and clarity as that "screwdriver bit 730".
  • the screwdriver bit 730 is preferably designed for screwing in and/or unscrewing the fastening element 190, which is preferably embodied as a screw element.
  • the holding device 140 is preferably arranged on the hand-held power tool 100 in such a way that the peripheral collar 414 associated with the first holding unit 150 preferably bears against the end face 127 of the hand-held power tool 100 .
  • the peripheral collar 414 preferably rests flat on the end face 127 .
  • the interior receptacle 412 of the first holding unit 150 is arranged on the receptacle area 236 of the handheld power tool 100 , or the shaped elements 422 form the anti-rotation lock with the counter-contour 230 assigned to the handheld power tool 100 .
  • the blocking elements 539 of the second holding unit 170 are preferably acted upon by the spring element 515 against the limiting collar 542 of the housing 142.
  • the second holding unit 170 is arranged in the working position in such a way that the ring magnet 510 preferably comes into contact with the screw element 190 .
  • a side 702 of the screw element 190 arranged on the holding device 140 that faces the ring magnet 510 preferably rests against a side 704 of the ring magnet 510 that faces the screw element 190 .
  • the screw element 190 is thus at least approximately magnetized and is thus held on the holding device 140 at least in the axial direction 102 .
  • the ring magnet 510 preferably has an interior receptacle which is designed in such a way that the screwdriver bit 730 can be arranged in the interior receptacle.
  • a screw head of screw element 190 that can be arranged on screwdriver bit 730 can only be arranged in sections in the interior receptacle.
  • the light guide 610 arranged in the receptacle 442 and the recess 416.
  • the radial extension 612 is preferably arranged on an end of the receptacle 442 of the housing 142 that faces the first holding unit 150.
  • the light guide 610 can preferably be arranged in the receptacle 442 of the housing 142 and then the first holding unit 150 can be arranged on the housing 142 .
  • Light source 240 is preferably embodied as an LED 712 .
  • the light beam emitted by the LED 712 on the end face 127 of the hand-held power tool 100 can be guided directly or in the axial direction to the light guide 610, which in turn forwards the light beam to a work site.
  • the second holding unit is in the parking position 170 preferably arranged shifted in the direction of the free end 143 of the holding device 140, or illustratively to the right.
  • the second holding unit 170 is preferably arranged at least in sections within the housing 142 .
  • a corresponding arrangement of the second holding unit 170 is preferably carried out manually by a user of the handheld power tool 100.
  • the second holding unit 170 is displaced in the axial direction 804 towards the first holding unit 150 and then rotated in the circumferential direction 806.
  • the spring element 515 is compressed in the process.
  • the screwdriver bit 730 arranged in the bit holder 214 preferably protrudes beyond the free axial end 143 of the second holding unit 170.
  • the second holding unit 170 is displaced in the direction of an axial end facing the first holding unit 150 or the first axial end 141 of the holding device 140 such that the ring magnet 510 releases the screwdriver bit 730 .
  • a screwdriver bit 730 can be changed without the holding device 140 having to be removed from the hand-held power tool 100 .
  • the blocking elements 539 are preferably arranged at a distance from the delimiting collar 542 of the housing 142 in the axial direction. The blocking elements 539 preferably rest on the end of the first holding unit 150 facing the free end 143 of the holding device 140 or on an end face 802 of the base surface 521 facing the free end 143 .
  • the side 702 of the screw element 190 that faces the ring magnet 510 is preferably arranged at a distance from a side 704 that faces the ring magnet 510 or the screw element 190 .
  • the second holding unit 170 is preferably held in the parking position by the blocking contour 624 .
  • clarified 8 safety clip 430 arranged on the outer circumference of first holding unit 150.
  • Safety clip 430 preferably penetrates recess 418 in first holding unit 150.
  • Safety clip 430 preferably engages in annular groove 234 of the handheld power tool to form the axial fixation, which is preferably embodied as a snap connection 100, and the receiving area 236, respectively.
  • the holding device 140 is fixed to the hand-held power tool 100 .
  • FIG 9 shows the housing 142 of FIG 1 with the second holding unit 170 in the working position and illustrates the blocking contour 624.
  • the blocking contour 624 is arranged on the interior receptacle 622 of the housing 142.
  • the blocking contour 624 preferably has at least one blocking section 916.
  • the number of blocking sections 916 is preferably assigned to the number of blocking elements 539, or is selected or specified accordingly. Illustratively and preferably, four blocking elements 539 of the second holding unit 170 and preferably four blocking sections 916 are formed.
  • Guide sections 911 are preferably arranged in the interior receptacle 622 and have a recess 912 for arranging the blocking elements 539 of the second holding unit 170 in the working position.
  • the blocking elements 539 can be displaced along the recess 912 when moving from the working position to the parking position, or when the second holding unit 170 is moved in the axial direction 804 towards the first holding unit 150 .
  • Two guide sections 911 are preferably formed.
  • the blocking section 916 is preferably formed at a distance from the guide section 911 in the axial direction 102 of the holding device 140 .
  • a standing edge 918 is assigned to the blocking section 916 . In the parking position, the blocking elements 539 are in contact with the standing edge 918 .
  • FIG 10 shows the housing 142 with the second holding unit 170 in the working position of FIG 9 and illustrates the preferably two guide sections 911.
  • the illustrative and exemplary two guide sections 911 are preferably arranged diametrically opposite one another in the inner receptacle 622.
  • the guide sections 911 are preferably arranged in the area of the recesses 145 .
  • a receiving area 1012 is preferably formed between the two guide sections 911 in each case.
  • the receiving area 1012 preferably has a diameter that is assigned to the inner receptacle 622 .
  • the guide sections 911 preferably have an inner diameter that is assigned to the outer diameter of the blocking elements 539 .
  • clarified 10 clarified 10 the blocking portion 916 which is spaced from the guide portion 911 in the axial direction as described above.
  • 11 shows the housing 142 with the second holding unit 170 in the working position of FIG 9 and 10 . This makes it clear 11 the two blocking elements 539 arranged in the recesses 912 and the receiving areas 1012.
  • FIG. 12 shows the housing 142 with the second holding unit 170 of FIG Figures 9 to 11 in the parking position.
  • the second holding unit 170 is compared to that in 11 Working position shown in the axial direction 804 toward the first holding unit 150 and then rotated in the circumferential direction 806 or rotated in the direction of arrows 1022 .
  • the blocking elements 539 of the second holding unit 170 bear against the blocking contour 624 or the blocking sections 916 .
  • the blocking elements 539 are in contact with the standing edges 918 assigned to them.
  • the second holding unit 170 is preferably rotated in the opposite direction to the arrows 1022 .
  • the spring element 515 preferably acts on the second holding unit 170 in the axial direction or towards the free end 143 of the holding device 140 until the blocking elements 539 bear against the limiting collar 542 of the housing 142 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Claims (15)

  1. Dispositif de maintien (140) pour une machine-outil portative (100) pourvue d'un logement d'outil (210) qui est réalisé pour recevoir au moins un outil d'insertion (730), en particulier un embout de vissage, dans lequel le dispositif de maintien (140) est prévu pour maintenir un élément de fixation (190), en particulier un élément de vissage, caractérisé par au moins un élément lumineux (440) qui est réalisé au moins pour l'éclairage d'un point de travail, et par un boîtier (142) qui présente une première unité de maintien (150) pour fixer le dispositif de maintien (140) sur une machine-outil portative (100) et une deuxième unité de maintien (170) pour maintenir un élément de fixation (190).
  2. Dispositif de maintien selon la revendication 1, caractérisé en ce que l'élément lumineux (440) est réalisé comme au moins un guide de lumière (610) qui est réalisé pour guider un faisceau lumineux qui est généré par une source de lumière (240) prévue sur une machine-outil portative (100) vers un point de travail associé.
  3. Dispositif de maintien selon la revendication 2, caractérisé en ce que le guide optique (610) est réalisé pour guider un faisceau lumineux émis à partir d'une face frontale (127), tournée vers le dispositif de maintien (140), d'une machine-outil portative (100) vers un point de travail.
  4. Dispositif de maintien selon l'une quelconque des revendications précédentes, caractérisé en ce que la première unité de maintien (150) est disposée sur le boîtier (142) de manière amovible par l'intermédiaire d'au moins un élément de fixation (155).
  5. Dispositif de maintien selon l'une quelconque des revendications précédentes, caractérisé en ce que la première unité de maintien (150) présente au moins un élément de positionnement (420) qui est réalisé pour aligner le dispositif de maintien (140) sur une machine-outil portative (100) de telle sorte que l'élément lumineux (440), en particulier le guide de lumière (610) est disposé au niveau d'une source de lumière (240) disposée sur une face frontale (127) de la machine-outil portative (100).
  6. Dispositif de maintien selon la revendication 5, caractérisé en ce que ledit au moins un élément de positionnement (420) est réalisé comme une extension axiale du dispositif de maintien (140), et lorsque le dispositif de maintien (140) est disposé sur une machine-outil portative (100), il vient en prise dans un évidement (250) réalisé sur une face frontale (127), tournée vers le dispositif de maintien (140), de la machine-outil portative (100).
  7. Dispositif de maintien selon l'une quelconque des revendications précédentes, caractérisé en ce que la première unité de maintien (150) présente en particulier sur sa circonférence intérieure (412) au moins un élément moulé (422) qui est réalisé pour réaliser un dispositif anti-rotation avec un contour complémentaire (230) associé à une machine-outil portative (100).
  8. Dispositif de maintien selon l'une quelconque des revendications précédentes, caractérisé en ce que la première unité de maintien (150) présente un premier élément (430) qui est réalisé pour réaliser avec un deuxième élément (234) associé à une machine-outil portative (100) une fixation axiale du dispositif de maintien (140) sur une machine-outil portative (100).
  9. Dispositif de maintien selon la revendication 8, caractérisé en ce que la fixation axiale est réalisée sous la forme d'un assemblage à encliquetage, dans lequel le premier élément (430) est réalisé comme une attache de sécurité (430), et le deuxième élément (234) associé à une machine-outil portative (100) est réalisé sous la forme d'une rainure annulaire (234), dans lequel l'attache de sécurité (430) vient en prise avec la rainure annulaire (234) d'une machine-outil portative (100) pour réaliser l'assemblage à encliquetage.
  10. Dispositif de maintien selon la revendication 9, caractérisé en ce que l'attache de sécurité (430) est disposée sur une circonférence extérieure de la première unité de maintien (150), dans lequel la première unité de maintien (150) présente au moins un évidement (418) que l'attache de sécurité (430) traverse par endroits pour fixer le dispositif de maintien (140) dans la rainure annulaire (234) associée à une machine-outil portative (100).
  11. Dispositif de maintien selon l'une quelconque des revendications précédentes, caractérisé en ce que la deuxième unité de maintien (170) présente au moins un élément de maintien (510), en particulier un aimant, pour le maintien d'un élément de fixation (190) dans la direction axiale (102) du dispositif de maintien (140).
  12. Dispositif de maintien selon l'une quelconque des revendications précédentes, caractérisé en ce que la deuxième unité de maintien (170) est réglable au moins au niveau d'une position de travail et d'une position de repos axialement décalée en direction de la première unité de maintien (150), dans lequel, dans la position de travail, un élément de maintien (510) associé à la deuxième unité de maintien (170) est décalé en direction d'une extrémité libre (143) du dispositif de maintien (140) de telle sorte que l'élément de maintien (510) vient en butée contre un élément de fixation (190), et que dans la position de repos, la deuxième unité de maintien (170) est décalée en direction d'une extrémité axiale (141) tournée vers la première unité de maintien (150) de telle sorte que l'élément de maintien (510) libère l'outil d'insertion (190), dans lequel la deuxième unité de maintien (170) est sollicitée dans la position de travail par un élément faisant ressort (515).
  13. Dispositif de maintien selon la revendication 12, caractérisé en ce que la deuxième unité de maintien (170) présente sur sa face frontale (602) tournée vers la première unité de maintien (150) au moins un élément de blocage (539), dans lequel, dans la position de travail, ledit au moins un élément de blocage (539) est sollicité contre une collerette de limitation (542) disposée à une extrémité libre (143) du dispositif de maintien (140), et dans la position de repos, il est adjacent à une extrémité, tournée vers l'extrémité libre (143) du dispositif de maintien (140), de la première unité de maintien (150).
  14. Dispositif de maintien selon la revendication 13, caractérisé en ce que le boîtier (142) présente au niveau de son logement intérieur (622) un contour de blocage (624) pourvu d'au moins une partie de blocage (916), et ledit au moins un élément de blocage (539) de la deuxième unité de maintien (170), dans la position de repos, est adjacent à ladite au moins une partie de blocage (916).
  15. Dispositif de maintien selon l'une quelconque des revendications 11 à 13, caractérisé en ce qu'un agencement de la deuxième unité de maintien (170) de la position de travail à la position de repos est effectué par un décalage dans la direction axiale (804) vers la première unité de maintien (150) et par une rotation consécutive dans la direction circonférentielle (806).
EP19151576.6A 2018-01-24 2019-01-14 Dispositif de maintien pour une machine-outil portative Active EP3517249B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018201118.4A DE102018201118A1 (de) 2018-01-24 2018-01-24 Haltevorrichtung für eine Handwerkzeugmaschine

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EP3517249A1 EP3517249A1 (fr) 2019-07-31
EP3517249B1 true EP3517249B1 (fr) 2023-07-05

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DE (1) DE102018201118A1 (fr)

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US11835217B2 (en) 2021-05-06 2023-12-05 Black & Decker Inc. Light emitting assembly for a power tool
USD1017361S1 (en) 2021-05-06 2024-03-12 Black & Decker Inc. Drill

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CN110065036A (zh) 2019-07-30
DE102018201118A1 (de) 2019-07-25
EP3517249A1 (fr) 2019-07-31

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