EP4009343A1 - Schaltelement, haushaltsgeräteeinheit mit dem schaltelement und haushaltsgerät - Google Patents

Schaltelement, haushaltsgeräteeinheit mit dem schaltelement und haushaltsgerät Download PDF

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Publication number
EP4009343A1
EP4009343A1 EP20211175.3A EP20211175A EP4009343A1 EP 4009343 A1 EP4009343 A1 EP 4009343A1 EP 20211175 A EP20211175 A EP 20211175A EP 4009343 A1 EP4009343 A1 EP 4009343A1
Authority
EP
European Patent Office
Prior art keywords
household appliance
switch element
actuator button
appliance unit
housing
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.)
Pending
Application number
EP20211175.3A
Other languages
English (en)
French (fr)
Inventor
Ales Brecko
Igor Decman
Anton HRIBERSEK
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to EP20211175.3A priority Critical patent/EP4009343A1/de
Publication of EP4009343A1 publication Critical patent/EP4009343A1/de
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H01H13/186—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the switch

Definitions

  • the present invention concerns a switch element for a household appliance.
  • the invention further concerns a household appliance unit with such a switch element.
  • the invention concerns a household appliance comprising, as a first component, such a household appliance unit.
  • Switch elements enabling a user to control electric and/or electronic parts of a household appliance are conventionally designed as rotatable control buttons configured to be rotated about a centre axis thereof, or as press buttons configured to be moved in linear direction.
  • a switch element according to the present invention is devised for a household appliance, to control one or more electronic and/or electric parts thereof (with respect to at least an aspect).
  • the switch element may be configured as an on/off - switch and/or as a switch for selecting an operation mode of the electronic and/or electric part/s.
  • the household appliance may be a kitchen appliance, such as an electric blender, a hand blender or a food processor, for instance.
  • the switch element comprises an actuator button designated to be pressed by a user to control the one or more electronic and/or electric part/s of the household appliance.
  • the switch element further comprises at least one mounting element configured to pivotably attach the switch element to a holding portion (in particular, to a respective seat) of the household appliance, in particular of a housing or support frame thereof.
  • a pivot axis (determined by the at least one mounting element) is spaced apart from the actuator button, i.e., it is located at a positive distance (>0) to the actuator button.
  • d ⁇ 1cm, d ⁇ 2cm or even d ⁇ 3cm may preferably hold.
  • a centre of the actuator button (in particular, a centre of a designated touch surface of the actuator button) has a distance D to the pivot axis, wherein D ⁇ 2cm, D ⁇ 4cm or even D ⁇ 6cm. Additionally or alternatively, d ⁇ 0.3D or even d ⁇ 0.5D may hold.
  • the switch element thus is designed as a pendulum-like swing element. Thereby, a user friendly, simple and comfortable manipulation by a user is facilitated, and a household appliance comprising the switch element may be constructed particularly robust and safe. Moreover, the switch element can be mounted in tight interspaces in the interior of a respective housing of the household appliance.
  • a household appliance unit according to the present invention may be an entire household appliance or may be at least a component of a household appliance (such as - for example - a motor base thereof, including an electric motor), which may be configured to be combined with at least one further component so as to form a household appliance.
  • a household appliance such as - for example - a motor base thereof, including an electric motor
  • the household appliance unit comprises one or more electronic and/or electric part/s, a housing at least partially enclosing the electronic and/or electric part/s, and a switch element according to an embodiment of the present invention.
  • the switch element is configured to control the one or more electronic and/or electric part/s (with respect to at least an aspect) upon actuation of the switch element.
  • the switch element is pivotably attached to a holding portion of the household appliance unit, in particular of the housing or of a support frame possibly further comprised by the household appliance unit. Therein, the switch element at least partially closes an opening in the housing.
  • the switch element thus is configured to facilitate control of the electronic and/or electric part/s.
  • further means may be comprised, by the household appliance unit, for controlling the electronic and/or electric part/s.
  • the switch element may serve as an on/off switch and/or as a switch for selecting an operation mode of the electronic and/or electric part/s.
  • the household appliance unit may be constructed particularly compact and robust, and it may allow a particularly convenient and simple manipulation.
  • the housing of a household appliance unit comprises one or more leading elements such as protruding ribs, which may be configured to support the switch element in its pivoting movement.
  • leading elements such as protruding ribs, which may be configured to support the switch element in its pivoting movement.
  • the household appliance unit further comprises at least one elastic element whose restoring force acts on the switch element.
  • Such elastic element may comprise a torsion spring which may be arranged at the at least one mounting element. Additionally or alternatively, said elastic element/s may comprise an element whose restoring force acts in linear direction.
  • the switch element is preferably attached with its at least one mounting element (in particular, with its - preferably horizontal - pivot axis) positioned above or below the actuator button.
  • the at least one mounting element in particular, with its - preferably horizontal - pivot axis
  • a particularly solid fastening by means of the at least one mounting element can be achieved.
  • a household appliance unit according to the present invention may comprise (or even be) a unit of a kitchen appliance.
  • a household appliance unit according to the present invention may comprise (or even be) a motor base of an electric blender, of a hand blender or of a food processor.
  • a household appliance according to the present invention comprises a household appliance unit according to the present invention.
  • it comprises at least one further component configured to be detachably coupled to the household appliance unit.
  • the further component may comprise a tool to be driven by means of the electric and/or electronic part/s of the household appliance unit.
  • the at least one further component may comprise a jar component (configured to receive food to be processed), and/or a hand blender shaft comprising a rotatable tool, for example.
  • the at least one mounting element of the switch element comprises at least one pivot pin configured to be inserted into a lug comprised by the holding portion of the household appliance unit. Additionally or alternatively, the at least one mounting element may comprise at least one lug configured to receive a pin the holding portion of the household appliance unit may comprise.
  • the switch element comprises a base portion from which the actuator button protrudes, preferably in a designated possible direction of pivoting (i.e., with an appropriate sign).
  • the base portion may be arranged within an interior space enclosed by the housing.
  • the base portion may thus be at least partially covered by the housing.
  • the household appliance unit can be constructed with a robust and compact shape facilitating easy cleaning.
  • the actuator button may at least partially project through the opening of the housing.
  • the actuator button may be shaped cylindrically with centre axis orthogonal to the designated pivot axis of the switch element.
  • a pivoting position of the switch element (relative to the housing) is attainable in which a surface of the housing smoothly transitions to a surface of the actuator button.
  • the base portion may preferably at least partially surround the actuator button, thus forming a flange about the actuator button.
  • the base portion can serve to catch and guide a liquid flow, thereby improving security of the household appliance (unit) and protecting the electric and/or electronic part/s thereof against being impaired by dirt, dust and/or wetting.
  • the base portion from which the actuator button may protrude comprises at least one stopper member located at a side of the actuator button opposite to the at least one mounting element. Such stopper member may be configured to strike against the housing in at least one pivot position of the switch element, when the switch element is mounted. Thereby, it may delimit a possible pivot angle of the switch element.
  • FIGS 1a, 1b show an exemplary embodiment of a switch element 10 according to the present invention. It is configured to form part of a household appliance (unit), in particular of a kitchen appliance (unit), and to serve for manipulating one or more electronic and/or electric part/s thereof.
  • the switch element 10 comprises an actuator button 11 devised to be pressed, in a designated press direction, by a user so as to manipulate the one or more electronic and/or electric part/s of the household appliance (unit).
  • the switch element 10 further comprises two mounting elements 12a, 12b which in the embodiment depicted both are pivot pins extending, at opposite sides of the switch element 10, orthogonally to the designated press direction.
  • the mounting elements 12a, 12b i.e., the pins
  • the pivot pins are configured to pivotably attach the switch element 10 to a housing of the household appliance, as illustrated in Figure 2a : therein, the pivot pins both have been mounted in a respective holding portion of the household appliance unit, which holding portions 31a, 31b in the embodiment depicted comprise respective lugs.
  • the mounting elements 12a, 12b together define a designated pivot axis X, about which the switch element - when it is mounted - is pivotable.
  • the viewing direction in Figure 1a is orthogonal to the pivot axis X.
  • Figure 1b shows the switch element 10 with viewing direction parallel to the pivot axis X.
  • the actuator button 11 is shaped cylindrically with centre axis orthogonal to the designated pivot axis X.
  • D of a centre (thus, the centre axis) of the actuator button 11 to the pivot axis X preferably D ⁇ 2cm, D ⁇ 4cm or even D ⁇ 6cm holds.
  • the pivot axis X is located at a positive distance d >0 to the actuator button 11, i.e., is spaced apart therefrom.
  • the switch element 10 thus is configured as a pendulum-like swing part.
  • d ⁇ 1cm, d ⁇ 2cm or even d ⁇ 3cm holds true.
  • d ⁇ 0.3D or even d ⁇ 0.5D may preferably hold.
  • the actuator button 11 protrudes, in a designated direction R of pivoting (with an appropriate sign), from a base portion 13 of the switch element 10.
  • the base portion 13 surrounds the actuator button 11, thereby forming a (recessed) flange 16 around it.
  • the base portion 13 of the switch element 10 depicted in Figures 1a, 1b as an exemplary embodiment of the present invention further comprises a stopper member 14 which is located at a side of the actuator button 11 opposite to the mounting elements 12a, 12b.
  • the stopper member 14 is configured to strike against the housing in at least one pivot position of the switch element 10 (when it is mounted in a respective holding portion), thereby delimiting the pivoting in one direction.
  • the flange 16 and/or the stopper member 14 may preferably comprise at least a projecting rib, so as to form a leading groove. Thereby, in particular, the stopper member 14 may form a spout.
  • the base portion 13 further comprises an actuation transfer element 15 which, when the switch element 10 is mounted in a holding portion, faces at least one electric and/or electronic part thereof.
  • the actuation transfer element 15 is located at a side of the actuator button 11 opposite to the at least one mounting element 12a, 12b. It is configured to operate the electric and/or electronic part/s when the actuator button is pressed. Thereby, the household appliance unit may be switched on and/or off, and/or a respective operation mode of the household appliance unit may be changed.
  • FIGS 2a - 2d depict respective details of a household appliance unit 100 according to the present invention.
  • the household appliance unit 100 comprises a housing 30 and a switch element 10 according to the present invention, whose pivot pins 12a, 12b both have been mounted in respective holding portions 31a, 31b (comprising respective lugs) of the housing 30.
  • the household appliance unit 100 is a motor base of a kitchen machine, in particular of an electric blender. Indeed, the household appliance unit 100 is configured to be combined to a jug (not shown), so as to drive a tool thereof by means of an electric motor 21 and a coupling 22 comprised by the household appliance unit 100. As an electronic part 23, a control system is operable by means of the switch element 10 and serves for controlling the electric motor 21.
  • the switch element 10 is mounted such that the base portion 13 is positioned (preferably completely) in an interior space enclosed by the housing 30.
  • the base portion 13 is thus covered by the housing 30, whereas the actuator button 11 at least partially protrudes through an opening O of the housing 30.
  • FIG. 2b A detail view provided in Figure 2b shows (in a different cross section) how the mounting element (pivot pin) 12b is held in the half-open lug (comprised by holding portion 31b) by means of a fixation element 33b closing the opening of the half-open lug, thus enabling only rotation of the mounting element 12b.
  • Mounting element 12a is preferably mounted and fixed analogously (not visible) in a corresponding lug comprised by holding portion 31a.
  • the mounting elements 12a, 12b may first be inserted each into a respective half open lug, and then the respective openings of the lugs ay be closed by means of a common fixation element or by means of dedicated respective fixation elements.
  • Leading elements 32a, 32b, 32c, 32d formed as ribs protruding from the housing 30 in an interior space thereof serve to ensure that the pivotable switch element 10 is safely held in its designated path (i.e., during its rotation) and thus, to provide for high operational reliability.
  • first leading elements 32a, 32b are configured to guide the stopper member 14 of the switch element, as depicted on Figure 2a .
  • Second leading elements 32c, 32d, visible in Figure 2b guide the rotating switch element 10 between its actuator button 11 and the pivot axis X (determined by the mounting elements 12a, 12b).
  • the switch element 10 is in a first position, in which the actuator button 11 partly projects from an outer surface of the housing 30 and in which the stopper member 14 strikes against an inner surface of the housing 30 (i.e., against a surface facing the interior space enclosed by the housing 30).
  • the actuator button 11 may be pressed in a direction orthogonal to the pivot axis X, as indicated by a respective arrow, possibly against an elastic force of at least one elastic element (not shown) which may be comprised by the household appliance unit 100.
  • a surface of the housing 30 smoothly transitions to a surface of the actuator button 10.
  • the stopper member 14 is spaced away from the (inner surface of the) housing 30, and the switch element 10 is ready for pivoting back into the first position, as indicated by an arrow.
  • the elastic force of an elastic element may urge the switch element 10 towards said first position.
  • Figure 2d illustrates how the electronic part 23 is protected against liquid (in particular, water) intruding into the interior of the housing 30.
  • liquid in particular, water
  • the switch element 10 for a household appliance.
  • the switch element comprises an actuator button 11 designated to be pressed by a user to control one or more electronic and/or electric part/s 21, 23 of the household appliance.
  • the switch element 10 further comprises at least one mounting element 12a, 12b configured to pivotably attach the switch element to a holding portion 31a, 31b of the household appliance. Therein, a designated pivot axis X is spaced apart from the actuator button 11.
  • the switch element facilitates a robust and safe construction of a household appliance unit 100, wherein an advantageous utilisation of a tight interspace between the housing and the electric and/or electronic part/s 21, 23 is achieved.
  • a household appliance unit 100 comprising a switch element 10, and a household appliance comprising such household appliance unit 100 as a component.

Landscapes

  • Food-Manufacturing Devices (AREA)
  • Push-Button Switches (AREA)
EP20211175.3A 2020-12-02 2020-12-02 Schaltelement, haushaltsgeräteeinheit mit dem schaltelement und haushaltsgerät Pending EP4009343A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20211175.3A EP4009343A1 (de) 2020-12-02 2020-12-02 Schaltelement, haushaltsgeräteeinheit mit dem schaltelement und haushaltsgerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20211175.3A EP4009343A1 (de) 2020-12-02 2020-12-02 Schaltelement, haushaltsgeräteeinheit mit dem schaltelement und haushaltsgerät

Publications (1)

Publication Number Publication Date
EP4009343A1 true EP4009343A1 (de) 2022-06-08

Family

ID=73694806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20211175.3A Pending EP4009343A1 (de) 2020-12-02 2020-12-02 Schaltelement, haushaltsgeräteeinheit mit dem schaltelement und haushaltsgerät

Country Status (1)

Country Link
EP (1) EP4009343A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131030A1 (de) * 1980-08-13 1982-03-18 Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka Schalterbetaetigungsvorrichtung
US6059445A (en) * 1998-04-10 2000-05-09 Hp Intellectual Corp. Mixing appliance
EP1753001A1 (de) * 2005-08-10 2007-02-14 Delphi Technologies, Inc. Schalteinheit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131030A1 (de) * 1980-08-13 1982-03-18 Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka Schalterbetaetigungsvorrichtung
US6059445A (en) * 1998-04-10 2000-05-09 Hp Intellectual Corp. Mixing appliance
EP1753001A1 (de) * 2005-08-10 2007-02-14 Delphi Technologies, Inc. Schalteinheit

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