EP3808509B1 - Outil électrique avec un dispositif de commutation - Google Patents

Outil électrique avec un dispositif de commutation Download PDF

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Publication number
EP3808509B1
EP3808509B1 EP19203238.1A EP19203238A EP3808509B1 EP 3808509 B1 EP3808509 B1 EP 3808509B1 EP 19203238 A EP19203238 A EP 19203238A EP 3808509 B1 EP3808509 B1 EP 3808509B1
Authority
EP
European Patent Office
Prior art keywords
switching
handle
power tool
electric tool
switching element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19203238.1A
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German (de)
English (en)
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EP3808509A1 (fr
Inventor
John Van Taack-Trakranen
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.)
Hilti AG
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Hilti AG
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.)
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Publication date
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Priority to EP19203238.1A priority Critical patent/EP3808509B1/fr
Publication of EP3808509A1 publication Critical patent/EP3808509A1/fr
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Publication of EP3808509B1 publication Critical patent/EP3808509B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner

Definitions

  • the present invention relates to a power tool, according to the preamble of patent claim 1, with a switching system, wherein the switching system has a switching element as an actuating element, wherein the switching element is movably arranged in a handle of the power tool.
  • the EP 2 383 531 A2 discloses a switch module for a refrigerator, but is not related to a handle of the device.
  • the EN 10 2016 209 637 A1 and the EN 10 2011 089 718 A1 describe machine tools that include handle-like grips, similar to a bicycle handlebar,
  • the EN 10 2016 209637 A1 discloses a power tool according to the preamble of patent claim 1.
  • the object of the present invention is to overcome the disadvantages and deficiencies of the prior art described above and to provide a power tool with an improved switching system, wherein a switching element of the switching system to be provided can be flexibly arranged in the handle area of the power tool and which is particularly resistant to dust.
  • a switching element of the switching system to be provided can be flexibly arranged in the handle area of the power tool and which is particularly resistant to dust.
  • the switching system to be provided should make it possible to design a slim, easy-to-grasp handle for the power tool that is easy to grasp even for people with small hands with narrow spans.
  • a power tool wherein the switching system has a switching element as an actuating element, wherein the switching element is movably arranged in a handle of the power tool.
  • the switching system comprises a first and a second guide element, which a) are connected to one another via a spacer element, b) are rotatably mounted in the handle of the power tool and c) are connected to the switching element, wherein the switching element is connected to a connecting element via a first connecting means, so that the connecting element actuates a switching device when the switching element is actuated, wherein the switching device is arranged in a housing of the power tool, wherein the handle of the power tool is bow-shaped and comprises an elongated section that runs essentially parallel to the housing of the power tool.
  • the switching device is arranged in an interior of the power tool formed by the housing of the power tool.
  • the housing of the power tool encloses a substantially closed interior of the power tool in which the switching device of the switching system is located and is thus particularly effectively protected from dust and other environmental influences, such as moisture.
  • the design of the switching system with the switching element in the handle and the switching device inside the power tool provides a switching system that can be equipped with a particularly ergonomic handle that can be easily grasped with one hand.
  • the proposed switching system differs from the prior art in that the switching device itself no longer has to be located in the handle of the power tool. This makes it possible to construct a particularly slim handle that makes the power tool easier to operate, especially for people who have small hands with a small hand span.
  • the switching device preferably has a coupled guide for the switching element as a guide element, the term "coupled guide” referring in particular to the two guide elements connected via the spacer element.
  • the connecting element is connected to the switching element and/or the coupled guide, i.e. the guide elements.
  • the lock is preferably designed to prevent the power tool from being switched on accidentally. It is used in particular in Fig.3 and is preferably arranged rotatably in the power tool. In the sense of the invention, it is particularly preferred that it is part of the proposed switching system. It can be arranged in the switching element, for example.
  • the lock is preferably actuated by a sideways movement of a user's finger. In particular, this can be a sideways movement of a finger on the switching element of the power tool or the switching system. It is particularly preferred in the sense of the invention that the sideways movement causes a rotational or turning movement.
  • an unintentional actuation of the switching element of the switching system is effectively prevented by providing a spring which is designed to align the lock in a rest position essentially perpendicular to the switching element.
  • the spring can preferably be a torsion spring.
  • the actuation of the switching element is preferably prevented by the lock in its rest position hitting a locking element when the switching element is actuated, which can be present, for example, as a nose or protruding element in the housing of the handle of the power tool.
  • the rest position of the lock is characterized by the lock being pre-tensioned on both sides by the spring, whereby this rest position can only be left by the rotational or turning movement deliberately brought about by the user of the power tool.
  • the lock can be in a release position in which the lock is in an angular range between 20 and 40 ° degrees, particularly preferably in an angular range between 25 and 35 ° degrees and most preferably in an angular range of around 30 ° degrees.
  • the lock can be in a rest position and in a release position, wherein a position of the lock in the rest position and in the release position is rotated by an angular range of 20 to 40 ° degrees, particularly preferably by an angular range of 25 to 35 ° degrees and most preferably by an angular range of around 30 ° degrees.
  • the rest position and the release position differ by an angle of 20-40 ° degrees, preferably 25-35 ° degrees and particularly preferably by 30 ° degrees, which can be a shift in the positive or negative angular range.
  • the lock can be rotated to the left or right by preferably approximately 30 degrees in the release position.
  • the lock can pass laterally past the locking element in the release position, whereby the switching element can be transferred to the on or off state.
  • the locking element which is preferably designed in the shape of a nose, can be designed to be concave in a central area, for example, while the lock on the side opposite the locking element is preferably designed to be convex.
  • the lock and the locking element only slip or slide past each other when they are intentionally activated.
  • the radius of the concave curvature of the locking element or of the convex Curvature of the lock is smaller than a radius on which an outer contour of the lock moves.
  • the switching system can be designed to be particularly space-saving, particularly in the handle area of the power tool, so that the switching system can be arranged particularly variably in the area of the handle of a power tool.
  • the invention enables an essentially free positioning range of the proposed switching system.
  • a significant advantage of the proposed switching system is that its switching device can be arranged outside the handle area of the power tool, so that the invention can advantageously provide a small gripping dimension for the handle of the power tool. It is preferred in the sense of the invention that the switching device can also be referred to as a switch.
  • the switching system has a switching element.
  • the switching element of the switching device is an actuating element, which can preferably change its position. This is preferably the part of the switching system that is visible to a user of the power tool, which is touched by the user, i.e. actuated, in order to change a position of the switching element or a switching state of the proposed switching system.
  • the switching element of the proposed switching system is elongated and can be integrated into the handle of the power tool.
  • the switching element of the proposed switching system is designed to be movable up and down in the handle of the power tool. In particular, the switching element can be pressed into the handle by a user of the power tool when it is actuated.
  • this actuation of the switching element in the context of the present invention preferably corresponds to an upward movement.
  • the switching element When the switching element is released or released again by the user, the switching element preferably moves out of the handle of the power tool again. This movement preferably corresponds to a movement in the spatial direction "downwards".
  • the switching element is located in the handle of the power tool, preferably in the hollow interior of the handle.
  • the outer walls of the handle run essentially parallel to one another and the switching element can in particular be arranged essentially parallel to the outer walls of the handle.
  • the lock is pushed to the side before the switching element is actuated. This preferably releases the switching element and the power tool can be moved of the switching element upwards.
  • pushing the switching element upwards causes a rotation of the coupled guide or the guide elements in the handle of the power tool.
  • the spacer element ensures in this situation that the guide elements rotate synchronously.
  • this ensures that the switching element remains aligned essentially parallel with respect to the handle of the power tool or its outer walls.
  • the first connecting means transmits this essentially parallel upward movement of the switching element to the connecting element inside the power tool, so that the switching device of the switching system can be actuated inside the electrical device.
  • the switching system comprises a first and a second guide element, which together advantageously enable coupled guidance of the switching element.
  • the two guide elements are connected to one another via a spacer element, wherein the spacer element is preferably designed in the form of a bracket and wherein side elements of the spacer element interact with through openings in the guide elements in order to establish a connection between the guide elements and the spacer element.
  • the spacer element for connecting the guide elements interacts with a through opening in each of the first and second guide elements.
  • the guide elements are also rotatably mounted in the handle of the power tool.
  • the handle of the power tool is essentially hollow in its interior, wherein the entirety of the outer walls of the handle is preferably referred to as the housing of the handle or as the handle housing.
  • pins or other connecting means are provided in through openings in the guide elements, which can be rotatably mounted in the handle housing and thus enable the guide elements to be rotated within the hollow handle of the power tool formed by the housing.
  • the handle housing preferably has openings for receiving the pins or other connecting means, the position and location of these handle housing openings corresponding to the through-openings of the guide elements. As explained below, it is preferably the lower through-openings of the guide elements that enable the guide elements to be rotatably mounted within the handle of the power tool.
  • the guide elements are connected to the switching element.
  • the left through-opening of the first guide element can, for example, accommodate a pin, so that the first guide element is movably mounted in relation to the switching element inside the handle housing through the interaction of the pin and the switching element.
  • the pin which is preferably present in the left through-opening of the first guide element, cooperate with an opening in the switching element, wherein the opening can be present, for example, next to the opening for receiving the lower through-opening.
  • the opening for the rotatable mounting of the first guide element is closed and has a substantially circular base area, while the opening for receiving the lower through-opening of the first guide element is preferably open at the top and rounded at the bottom.
  • top and bottom are not unclear terms for the person skilled in the art, because the person skilled in the art recognizes that in the context of the present invention the spatial direction "upwards” is determined by the arrangement of the handle of the power tool.
  • the handle is bow-shaped and encloses a through-opening with the power tool so that a user can essentially completely grasp the handle with his hand.
  • the through-opening is preferably also referred to as a through-opening space. This can advantageously ensure a secure hold and grip of the power tool during transport or operation.
  • the power tool is preferably arranged below the handle and below the through-opening.
  • the position of the power tool in relation to the handle preferably determines the spatial direction "downwards” in this way.
  • the spatial directions “front” and “back” are determined in the context of the present invention by the arrangement of the guide elements.
  • the spatial direction “front” preferably corresponds to the area of the power tool in which the switching device or the first guide element is arranged.
  • the spatial direction “front” can also be referred to synonymously as the "left side” of the power tool or the handle, while the spatial direction “rear” can also be referred to synonymously as the "right side” of the power tool or the handle.
  • the spatial direction “rear” is preferably determined by the arrangement of the second guide element, which is preferably arranged in the rear area of the handle.
  • the switching element is connected to a connecting element via a first connecting means.
  • the connecting element actuates a switching device when the switching element is actuated, the switching device being arranged in a housing of the power tool.
  • the housing of the power tool encloses a substantially closed interior of the power tool
  • the connecting element and the switching device of the proposed switching system is preferably arranged in this interior of the power tool.
  • the switching element has openings at a first upper end and a second upper end for receiving the first and second guide elements. Preferably, this establishes the connection between the switching element and the guide elements.
  • the guide elements can comprise various openings and through-openings into which connecting means can be inserted or passed through.
  • the term "opening" should be understood in the context of the present invention to mean recesses in the preferably disc-shaped guide elements, wherein the openings preferably have essentially circular base areas. In the sense of the invention, the openings can preferably also be referred to as essentially round holes.
  • Through-openings - unlike the openings - are preferably cylindrical and have an edge protruding from the disc-shaped base body of the guide elements.
  • the connecting means can be, for example, pins, nails, wires, rods or spacer elements.
  • the two guide elements can be essentially the same and have four openings or through-openings.
  • the four openings and through-openings for example, can be arranged evenly distributed around the circumference of the guide elements, so that the angular distance between the openings and through-openings is in a range of approximately 90°.
  • the openings and through-openings can preferably be referred to in a clockwise direction as the lower, left, upper and right opening or through-opening.
  • the lower through-opening of the guide elements is preferably defined by the fact that it can be inserted into one of the receiving openings of the switching element.
  • a pin which can for example comprise metal or be made of metal, can be guided through the lower through-opening.
  • the receiving openings at the upper ends of the switching element are preferably designed to accommodate the connecting means and an edge of the lower through-opening.
  • the pins that are guided through the lower through-openings of the guide elements are preferably long enough that they can also be accommodated in openings in the handle housing. It is preferred in the sense of the invention that the pins arranged in the lower through-opening of the guide elements ensure that the guide elements are rotatably mounted inside the handle housing.
  • the guide elements are symmetrical in the sense that they have essentially the same front and back sides.
  • the front of the guide elements corresponds to the side facing the viewer of the attached figures, while the back represents the side of the guide elements facing away from the viewer.
  • a front and a back of the switching element can also be defined.
  • the openings of the switching element for receiving the lower and front feed-through openings of the guide elements are also essentially the same on the front and back.
  • the right-hand through-openings of the guide elements can preferably interact with the spacer element that connects the two guide elements to one another.
  • the spacer element is designed to keep the two guide elements of the switching system at a distance or to ensure that a distance between the guide elements remains constant.
  • the spacer element can preferably be designed as a bracket, for example as a wire bracket.
  • the distance between the guide elements is preferably determined by the length of a transverse element of the spacer element, while two side elements can be inserted into the right-hand or rear through-openings of the guide elements in order to attach the spacer element to the guide elements - preferably detachably.
  • the second guide element acts or presses on the switching element.
  • the switching element is preferably aligned in the off state of the electrical device by an elastic element.
  • the elastic element can be formed by a spring or comprise one, for example.
  • the elastic element can be in contact with the second guide element, for example, wherein a second end of the elastic element can be attached to a fastening section of the switching element.
  • This fastening section is preferably located on an underside of the handle housing and in particular in the preferably hollow interior of the handle of the power tool.
  • the elastic element is designed to hold the switching element in an off position, which preferably corresponds to the off state of the electrical device. This off position is preferably released when the switching element is released. by the prestressing.
  • the switch is prestressed in the off position.
  • the second guide element is additionally in pressure contact with the switching device via the elastic element.
  • the switching element in the handle of the power tool interacts with the switching device inside the power tool via a first connecting means and a connecting element. It is preferred in the sense of the invention that the switching element has an attachment area for the first connecting means.
  • the attachment area for the first connecting means is preferably located in the front area of the switching element.
  • the attachment area can, for example, comprise a nose that protrudes forwards from the switching element in a spatial direction.
  • the attachment area can have an opening into which the first connecting means can be inserted.
  • the first connecting means is designed to establish a connection between the switching element in the handle of the power tool and the connecting element in the interior of the power tool.
  • the connecting element interacts with the switching device, which is also arranged in the interior of the power tool, in order to convert an actuation of the switching element into an actuation of the switching device.
  • an actuation of the switching element which is preferably designed as an actuation element, leads to an actuation of the switching device inside the power tool.
  • the actuation of the switching element is brought about by a movement of the user, which moves the switching element in an "upward" spatial direction, i.e. preferably in the direction of an interior of the handle of the power tool. Due to the connections between the elements of the proposed switching system, the movement of the switching element also moves the guide elements and subsequently the connecting element.
  • the actuation of the switching element is first transferred to the connecting element and from there to the switching device in the housing of the power tool.
  • the actuation of the switching element in the "upward" spatial direction is converted to an actuation of the switching device in a "downward” spatial direction.
  • the movements of the switching element and the switching device run opposite to one another, but essentially parallel.
  • the switching device comprises a base body and an actuating element.
  • the base body of the switching device is preferably essentially cuboid-shaped, while the actuating element of the switching device is preferably designed in the shape of a stamp.
  • the connecting element cooperates in particular with the actuating element of the switching device, wherein the actuating element can be pressed downwards by a movement of the connecting element.
  • the actuating element can comprise an elastic element, such as a spring, in a narrow intermediate region in order to absorb part of the energy transmitted by pressing downwards.
  • the base body contains actuating and/or control means which bring about effects within the power tool which are to be brought about by actuating the switching element of the switching system.
  • the electrical device can be switched on and off using the proposed switching system.
  • a pin arranged in the front through-opening of the second guide element is received by elongated holes on a front and a back of the switching element.
  • the pin is particularly movably received by the elongated holes of the switching element.
  • this preferably means that the pins can move in the elongated holes, preferably back and forth or right and left.
  • the elongated holes can have a length of 2 to 5 mm, preferably between 3 and 4 mm, so that a pin with a diameter of approximately 1 mm can easily move back and forth in the elongated hole.
  • the height of the elongated hole preferably corresponds to the diameter of the pin and can, for example, be a little more than 1 mm.
  • the first connecting means of the proposed switching system is designed as a pull rod.
  • the connecting element can preferably be designed as a rocker. Preferred embodiments of the invention and its components are shown in the figures.
  • FIG shows an exemplary embodiment of the present invention.
  • the figure, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into useful further combinations.
  • Fig.1 showed a view of a preferred embodiment of the proposed switching system.
  • a switching element (1) is shown, wherein the switching element (1) is movably arranged in a handle (2) of the power tool.
  • the switching element (1) can be pressed upwards into the handle (2) of the power tool.
  • This actuation of the switching element (1) is preferably also referred to in the sense of the invention as "pressing down" the switching element (1).
  • the switching element (1) When the switching element (1) is released, the switching element (1) preferably moves out of the handle (2) again in a spatial direction "downwards". This movement of the switching element (1) takes place in particular into a passage space of the power tool, which is formed by the power tool and the handle (2).
  • the term "passage space” preferably describes the free space between the power tool and its handle (2).
  • the switching element (1) of the proposed switching system is arranged on the side of the handle (2) that faces the power tool.
  • the switching element (1) moves in the Fig.1 illustrated embodiment of the invention, preferably in the direction of the power tool when it is released.
  • the proposed switching system comprises a first guide element (3) and a second guide element (4), which are preferably arranged inside the handle (2) of the power tool.
  • the handle (2) of the power tool is formed by a handle housing, which can be designed in two parts, for example.
  • a first half of the handle housing can be present with the housing (9) of the power tool, while a second part of the handle housing can be attached to this housing (9) of the power tool and/or the first part of the handle housing.
  • the surface of the handle housing is preferably made of a different material than the housing (9) of the power tool.
  • the two halves of the handle housing can comprise a particularly non-slip, tactilely pleasant material that ensures a good and secure grip of the power tool in the user's hand.
  • the handle (2) of the power tool is designed in the shape of a bow.
  • the handle (2) comprises an elongated section that runs essentially parallel to the power tool or an outer edge of the power tool.
  • the handle (2) can comprise two side parts that are opposite one another and are designed essentially parallel to one another.
  • the two side parts of the handle are arranged essentially perpendicular to the elongated part of the handle, as well as perpendicular to an outer edge of the power tool, which preferably forms the lower end of the passage space between the handle (2) and the power tool.
  • the transition areas between the two side parts and the elongated section of the handle (2) are designed as rounded corners. It is particularly preferred in the sense of the invention that the two guide elements (3, 4) of the switching system are arranged in an area of the interior in the handle (2) of the power tool that corresponds to these rounded corners of the handle (2). In other words, it is preferred in the sense of the invention that the guide elements (3, 4) are arranged in the area of the preferably rounded corners of the handle (2). It is further preferred that the guide elements (3, 4) are arranged in the transition area between the side parts and the elongated section of the handle (2) of the power tool.
  • the first guide element (3) and the second guide element (4) of the proposed switching system are rotatably mounted in the housing of the handle (2) of the power tool.
  • the guide elements (3, 4) have openings (12) and through-openings (13) through which pins or similar connecting means can be guided. These connecting means can interact with receiving means of the handle housing in such a way that the rotatable mounting of the guide elements (3, 4) in the cavity inside the power tool handle is made possible. This rotatable mounting of the guide elements (3, 4) is carried out in the Fig.1 and 2 by the semicircular arrows in the guide elements (3, 4).
  • Another component of the proposed switching system, which is rotatably mounted is the connecting element (7), which is preferably arranged inside the power tool or inside the housing (9) of the power tool.
  • the connecting element (7) is preferably designed to be rotatably mounted in relation to the housing (9) of the power tool.
  • first guide element (3) and the second guide element (4) are essentially of the same design. This allows the manufacturing costs for the guide elements (3, 4) and thus also the switching system to be kept particularly low.
  • the guide elements (3, 4) comprise openings (12) and through openings (13) which can interact with connecting means such that the guide elements (3, 4) can be connected to other components of the handle (2), the switching system and/or the power tool.
  • pins can be inserted as connecting means into the openings (12) and through openings (13) of the guide elements (3, 4).
  • the guide elements (3, 4) can be kept at a distance by a spacer element (5).
  • the spacer element (5) is designed to create a constant distance between the guide elements (3, 4).
  • the constant distance preferably results from the length of the spacer element (5) or a length of a transverse element of the spacer element (5).
  • the spacer element (5) can be a rod or a bracket that can be hooked into openings (12) and through openings (13) of the guide elements (3, 4).
  • the switching element (1) is connected to a connecting element (7) via a first connecting means (6).
  • the connecting element (7) can preferably be designed as a rocker.
  • the connecting element (7) can have a thicker central region and flatter outer regions, wherein the connecting element (7) is rotatably connected to the housing (9) of the power tool, in particular in the central region.
  • This rotatability of the connecting element (7) advantageously transfers the up and down movement of the switching element (1) to the switching device (8) when actuated.
  • the movement is transferred in particular by the first connecting means (6), which can preferably be designed as a pull rod.
  • the switching element (1) has an attachment region (14) in which the first connecting means (6) is attached to the switching element (1).
  • the attachment region (14) can have an opening into which the first connecting means (6) can be hooked.
  • the first connecting means (6) can be designed in the shape of a bow.
  • the connecting element (7) can also have an opening in one of the two flat outer areas, for example, to accommodate the second side of the first connecting means (6), so that a connection is established between the first connecting means (6) and the connecting element (7).
  • the other side of the preferably rocker-shaped connecting element (7), which does not interact with the first connecting means (6), can preferably interact with the switching device (8) of the proposed switching system.
  • the switching device (8) comprises an actuating element, which is preferably designed in the shape of a stamp.
  • the connecting element (7) interacts with the actuating element of the switching device (8), so that the movement of the connecting element (7) can be transmitted to the switching device (8).
  • the actuating element preferably comprises a flat contact section, which can be in contact with the connecting element (7).
  • the actuating element comprises a slim central or transitional region, which can preferably be surrounded by an elastic element, such as a spring.
  • the spring is preferably designed to prestress the switching element (1), preferably on one side in the off position, which preferably corresponds to the switched-off state of the electrical device.
  • the energy which is generated by the Transmission of the movement from the switching element (1) to the switching device (8) is absorbed and a movement that is too fast or too strong is dampened.
  • the switching device (8) and the connecting element (7) are located inside the power tool or inside the housing (9) of the power tool.
  • the first connecting means (6) is preferably guided from the inside of the handle housing into the inside of the housing (9) of the power tool, so that an upper region of the first connecting means (6) can preferably be located in the housing of the handle (2) and a lower region of the first connecting means (6) can preferably be located in the housing (9) of the power tool.
  • the housing (9) of the power tool and/or the handle housing can preferably comprise openings for the passage of the first connecting means.
  • Fig.2 shows a further preferred embodiment of the proposed switching system with an additional second connecting means (15).
  • the second connecting means (15) preferably connects the first guide element (3) to the connecting element (7), whereby it may be preferred in the sense of the invention that the actuation of the switching device (8) of the switching system takes place with the connecting element (7), whereby the connecting element (7) in the Fig.2 illustrated embodiment of the invention is connected to the switching element (1).
  • the connecting element (7) can touch the switching device (8) or its actuating element and cause the transmission of a movement by means of a pressure or impulse transmission.
  • the switching system comprises a coupled guide for the switching element (1), wherein the switching device (8) can be actuated by means of the switching element (1) and the second connecting means (15).
  • the coupled guide of the switching system is preferably formed by the guide elements (3, 4).
  • Fig.3 shows a view of a preferred embodiment of the handle area of the proposed switching system.
  • the power tool can be seen, which can preferably be surrounded by a housing (9).
  • a handle (2) is provided on the housing (9), wherein the housing (9) of the power tool is at least partially connected to the housing of the handle (2).
  • the handle (2) of the power tool is made up of several parts and has a hollow space in its interior.
  • the handle (2) can be formed by two corresponding, shell-shaped halves, which together enclose the interior of the handle (2).
  • a passage space is formed between the handle (2) and the power tool.
  • the switching element (1) of the switching system is arranged on the handle (2) of the power tool. It can preferably be formed by a hand movement of the user of the power tool can be pushed upwards into the interior of the handle (2). By relaxing this grip, the switching element (1) can be released again, so that the switching element (1) moves downwards again in the direction of the access area or the power tool.
  • the switching element (1) can be pushed in its front area - in Fig.3 shown on the left - comprise an attachment area (14) for the first connecting means (6), with which the first connecting means (6) can be fastened to the switching element (1).
  • the switching element (1) can have openings (10) at a first upper end and a second upper end for receiving the first guide element (3) and the second guide element (4).
  • the openings (10) are preferably arranged on the left side and the right side of the switching element (1), in each case in the area of the upper end of the switching element (1).
  • the openings (10) are preferably not closed, but open at the top, so that they can receive pins that can be present in openings (12) or through openings (13) of the guide elements (3, 4).
  • connecting means such as pins that are present in openings (12) or through openings (13) of the guide elements (3, 4
  • the guide elements (3, 4) can be received in the openings (10) of the switching element (1), so that an interaction between the switching element (1) and the guide elements (3, 4) of the switching system is advantageously brought about.
  • the guide elements (3, 4) have three openings (12) or through-openings (13).
  • the guide elements (3, 4) have four openings (12) or through-openings (13), wherein openings (12) or through-openings (13) can be referred to as lower, left, upper and right opening (12) or through-opening (13).
  • the lower opening (12) or the lower through-opening (13) is preferably defined by the fact that it is the opening (12) or through-opening (13) that receives a connecting means that can be inserted into the openings (10) of the switching element (1).
  • the other openings (12) and through-openings (13) - in particular the left, upper and right - then result preferably in a clockwise direction from the definition of the lower opening (12) or through-opening (13).
  • the left through opening (13) of the guide elements (3, 4) can comprise connecting means which interact with closed openings or holes in the switching element (1) of the proposed switching system.
  • the guide elements (3, 4) are mounted rotatably in relation to the switching element (1) via this connection, ie the guide elements (3, 4) can be rotated around the opening in the switching element (1).
  • the connecting means mounted in the left-hand through-opening (13) preferably represents the centre of the rotary movement of the guide elements (3, 4).
  • the right-hand through-openings (13) of the guide elements (3, 4) can preferably serve to establish the connection between the guide elements (3, 4) and the spacer element (5).
  • the second guide element (4) is additionally connected to the switching element (1) via an elastic element (11).
  • the elastic element (11) is used in particular in Fig.3 It can be formed, for example, by a spiral or tension spring.
  • the elastic element (11) can be hung with a front side in a section of the switching element (1) provided for this purpose or attached to it.
  • the elastic element (11) can be deflected.
  • the movement of the second guide element (4) can, for example, be the insertion movement of the lower through-opening (13) or the connecting means contained therein into the rear opening (10) of the switching element (1).
  • the elastic element (11) touches the second guide element (4) or is in contact with it.
  • the upper opening (12) is opposite the lower through-opening, while the left through-opening (13) of the guide elements (3, 4) is opposite the right through-opening (13).
  • a switch designed as a rotary or toggle switch can be present in the middle of the preferably elongated switching element (1).
  • Fig.3 the lock (16) arranged in the housing of the handle (2) of the power tool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
  • Percussive Tools And Related Accessories (AREA)

Claims (12)

  1. Outil électrique qui présente un système de commutation, le système de commutation présentant un élément de commutation (1) en tant qu'élément d'actionnement, l'élément de commutation (1) étant agencé de manière mobile dans une poignée (2) de l'outil électrique, le système de commutation comprenant un premier élément de guidage (3) et un deuxième élément de guidage (4),
    - les éléments de guidage (3, 4) étant reliés entre eux par un élément d'espacement (5),
    - les éléments de guidage (3, 4) étant logés de manière rotative dans la poignée (2) de l'outil électrique, et
    - les éléments de guidage (3, 4) étant reliés à l'élément de commutation (1),
    caractérisé en ce que
    l'élément de commutation (1) est relié à un élément de liaison (7) par un premier moyen de liaison (6), de sorte que l'élément de liaison (7) actionne un dispositif de commutation (8) lors de l'actionnement de l'élément de commutation (1), le dispositif de commutation (8) étant agencé dans un boîtier (9) de l'outil électrique, la poignée (2) de l'outil électrique étant en forme d'étrier et comprenant une partie allongée qui s'étend sensiblement parallèlement au boîtier (9) de l'outil électrique.
  2. Outil électrique selon la revendication 1,
    caractérisé en ce que
    l'élément de commutation (1) est de forme allongée et est intégré dans la poignée (2) de l'outil électrique.
  3. Outil électrique selon la revendication 1 ou la revendication 2,
    caractérisé en ce que
    l'élément de commutation (1) présente, à une première extrémité supérieure et à une deuxième extrémité supérieure, des ouvertures (10) destinées à recevoir le premier élément de guidage (3) et le deuxième élément de guidage (4).
  4. Outil électrique selon l'une des revendications précédentes,
    caractérisé en ce que
    le premier élément de guidage (3) et le deuxième élément de guidage (4) sont sensiblement de même forme et présentent des ouvertures (12) et des ouvertures traversantes (13).
  5. Outil électrique selon la revendication 4,
    caractérisé en ce que
    l'élément d'espacement (5) destiné à relier les éléments de guidage (3, 4) coopère avec une ouverture traversante (13) du premier élément de guidage (3) et du deuxième élément de guidage (4).
  6. Outil électrique selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de commutation (1) présente une zone de fixation (14) pour le premier moyen de liaison (6).
  7. Outil électrique selon l'une des revendications 4 à 6,
    caractérisé en ce que
    une broche, qui est agencée dans l'ouverture traversante avant (13) du deuxième élément de guidage (4), est apte à être reçue par des trous oblongs sur une face avant et une face arrière de l'élément de commutation (1).
  8. Outil électrique selon l'une des revendications précédentes,
    caractérisé en ce que
    le premier moyen de liaison (6) est conçu sous la forme d'une tige de traction.
  9. Outil électrique selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de liaison (7) est réalisé sous forme de bascule.
  10. Outil électrique selon l'une des revendications précédentes,
    caractérisé en ce que
    le système de commutation comprend un verrou (16) conçu de façon à empêcher une mise en fonctionnement involontaire de l'outil électrique.
  11. Outil électrique selon la revendication 10,
    caractérisé en ce que
    le verrou (16) est apte à être placé dans une position de repos et dans une position de déclenchement, une position du verrou (16) dans la position de repos et dans la position de déclenchement étant tournée d'une plage angulaire allant de 20° à 40° degrés, de manière particulièrement préférée d'une plage angulaire allant de 25° à 35° degrés, et de manière la plus préférée, d'une plage angulaire d'environ 30° degrés.
  12. Outil électrique selon la revendication 10 ou la revendication 11,
    caractérisé en ce que
    le système de commutation comprend un ressort, en particulier un ressort de torsion, qui est conçu de façon à orienter le verrou (16) dans une position de repos sensiblement perpendiculaire à l'élément de commutation (1).
EP19203238.1A 2019-10-15 2019-10-15 Outil électrique avec un dispositif de commutation Active EP3808509B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19203238.1A EP3808509B1 (fr) 2019-10-15 2019-10-15 Outil électrique avec un dispositif de commutation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19203238.1A EP3808509B1 (fr) 2019-10-15 2019-10-15 Outil électrique avec un dispositif de commutation

Publications (2)

Publication Number Publication Date
EP3808509A1 EP3808509A1 (fr) 2021-04-21
EP3808509B1 true EP3808509B1 (fr) 2024-06-19

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EP (1) EP3808509B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101650305B1 (ko) * 2010-04-27 2016-09-05 삼성전자주식회사 스위치 모듈 및 이를 갖춘 냉장고
DE102011089718A1 (de) * 2011-12-23 2013-06-27 Robert Bosch Gmbh Werkzeugmaschine
DE102016209637A1 (de) * 2016-06-02 2017-12-07 Robert Bosch Gmbh Handwerkzeugmaschine mit einer Schalteinheit

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