CN111534976A - Household appliance with a switching element - Google Patents

Household appliance with a switching element Download PDF

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Publication number
CN111534976A
CN111534976A CN202010063557.5A CN202010063557A CN111534976A CN 111534976 A CN111534976 A CN 111534976A CN 202010063557 A CN202010063557 A CN 202010063557A CN 111534976 A CN111534976 A CN 111534976A
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CN
China
Prior art keywords
region
switching
appliance
opening
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010063557.5A
Other languages
Chinese (zh)
Other versions
CN111534976B (en
Inventor
T·格雷宾
T·珀奇
A·施拉斯
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
Publication of CN111534976A publication Critical patent/CN111534976A/en
Application granted granted Critical
Publication of CN111534976B publication Critical patent/CN111534976B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F34/30—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by mechanical features, e.g. buttons or rotary dials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/124—Control panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles

Abstract

The invention relates to a household appliance (100) having an appliance housing (101) which delimits an appliance interior (103) from an appliance exterior (105), the appliance housing (101) having an operating panel (113) on an appliance front side (107), the operating panel (113) having at least one panel opening (137) which is delimited by an opening region (139), and a switching element (117) which is fastened to the operating panel (113), the switching element (117) having a switching region (123) which can be actuated from the appliance exterior (105), the switching element (117) having a shaft region (131) which is connected to the switching region (123), the shaft region (131) extending through the panel opening (137), the shaft region (131) being connected in a locking manner to the opening region (139) of the operating panel (113), for fixing the switching element (117) on the operating panel (113).

Description

Household appliance with a switching element
Technical Field
The invention relates to a household appliance having a switching element.
Background
In conventional household appliances, a switching element, in particular a rotary selector switch, is fastened to an operating panel of the household appliance, so that the user is provided with the possibility of selecting a specific operating program or operating parameter of the household appliance. Such common switching elements generally have the following disadvantages: they must be fixed in a complicated manner on the inner side of the front panel of the operator panel with increased assembly effort.
DE 102014113877 a1 discloses a rotary selector device for an operating panel of a household appliance.
Disclosure of Invention
The object on which the invention is based is to provide a household appliance having a switching element which can be fastened to an operating panel of the household appliance with low assembly effort.
This object is achieved by the subject matter having the features according to the independent claims. Advantageous embodiments are the subject of the dependent claims, the description and the figures.
According to one aspect, the object is achieved according to the invention by a household appliance having an appliance housing which delimits an appliance interior space from an appliance exterior space, wherein the appliance housing has an operating panel at an appliance front side, wherein the operating panel has at least one panel opening, the panel opening is delimited by an opening region, the switching element is fixed on the operating panel, wherein the switching element has a switching region that can be actuated from a space outside the appliance, wherein the switching element has a shaft region that is connected to the switching region, wherein the shaft region extends through the panel opening, wherein the shaft region is connected in a latching manner to the opening region of the operating panel for fastening the switching element to the operating panel.
The following technical advantages are thereby achieved: the latching connection of the shaft region of the switching element to the opening region of the operating panel makes it possible to provide a particularly simple connection between the switching element and the operating panel.
When the switching element is mounted on the operating panel, the shaft region of the switching element is moved from outside the appliance through the panel opening of the operating panel into the appliance interior and a latching connection between the shaft region of the switching element and the opening region of the operating panel which delimits the panel opening can advantageously be achieved.
This makes it possible to dispense with the fastening devices normally used on the inside of the panel, so that the assembly effort can be reduced.
Furthermore, the operating panel can be produced before the introduction of the switching element, in particular the operating panel can be printed digitally (in particular by laser or inkjet printing methods) during the decoration process before the introduction of the switching element. After printing the operating panel, the switching element merely has to be moved from outside the appliance through the panel opening and be stopped with the operating panel.
"household appliance" is understood to mean an appliance for household use. This can be a large household appliance, such as a washing machine, a washer-dryer, a dishwasher, a range, an oven or a refrigerator. But this can also be a small household appliance, such as a water heater, a fully automatic coffee machine, a cooking machine or a carpet cleaning appliance.
In an advantageous embodiment of the domestic appliance, the switching element is designed as a rotary selector switch, wherein the switching region is designed as a switching region which can be rotated about a rotational axis of the rotary selector switch, wherein a shaft region connected to the switching region is designed as a shaft region which can be rotated about the rotational axis of the rotary selector switch, wherein the shaft region of the rotary selector switch extends in particular along the rotational axis.
The following technical advantages are thereby achieved: the user can advantageously switch the household appliance by rotating the rotary selector switch, in particular the switching region of the rotary selector switch, about the axis of rotation. In this case, when the switching region is rotated, the shaft region of the rotary selector switch connected to the switching region is rotated.
In an advantageous embodiment of the household appliance, the switching region of the switching element has a switching region outer side facing the appliance exterior space, which switching region outer side can be actuated, in particular rotated, from the appliance exterior space, and the switching region of the switching element has a switching region inner side facing the appliance interior space, wherein the switching region inner side is connected, in particular torsionally fixed, to the shaft region of the switching element.
The following technical advantages are thereby achieved: the outside of the switching area is easily accessible to the user and can be easily manipulated. By means of the connection, in particular a rotationally fixed connection, between the switching region and the shaft region, the shaft region moves, in particular rotates, during the switching, in particular during the rotation of the switching region.
In an advantageous embodiment of the domestic appliance, the opening region of the operating panel has an opening region inner side facing the appliance interior, wherein in particular a panel opening is arranged inside the opening region which at least partially surrounds an inner wall which delimits a receiving opening for receiving a shaft region, wherein the shaft region is connected in a locking manner to the opening region inner side of the operating panel, in particular to the inner wall.
The following technical advantages are thereby achieved: an effective latching between the switching element and the operating panel in the appliance interior of the domestic appliance is ensured by the latching connection between the shaft region of the switching element and the inside of the opening region of the operating panel. The inner wall, which is arranged in particular inside the opening region, surrounds the panel opening at least in sections and thus ensures an effective spatial delimitation of the panel opening.
In an advantageous embodiment of the domestic appliance, the operating panel has an inner region which at least partially surrounds an opening region, in particular an inner wall, of the operating panel, wherein in particular the inner region has a first region thickness which extends in the direction of the appliance interior, which is greater than a second region thickness of the opening region which extends in the direction of the appliance interior.
The following technical advantages are thereby achieved: the inner region ensures the mechanical stability of the opening region. The inner region is arranged here radially outside the opening region and (at least in sections) surrounds the opening region, in particular the inner wall of the opening region. Since the inner region has in particular a first region thickness which is greater than a second region thickness of the opening region, the inner region can particularly effectively receive forces acting on the inner region.
In an advantageous embodiment of the household appliance, at least one latching means, in particular a latching arm, is arranged on the opening region, in particular on the inner wall, of the operating panel, said latching arm engaging in a latching manner on a shaft region, in particular a latching projection of the shaft region, of the switching element for the latching connection of the shaft region to the opening region.
The following technical advantages are thereby achieved: a particularly effective fixing of the shaft region on the opening region is ensured by the stop means. The at least one stop means, in particular the stop arm, can in particular comprise a plurality of stop means, in particular stop arms, wherein the plurality of stop means, in particular the stop arms, are in particular arranged symmetrically to one another.
In this case, the latching means arranged on the opening region can be pressed outward, in particular by moving the shaft region into the panel opening delimited by the opening region, and then the latching means can be snapped onto the shaft region, in particular onto latching projections of the shaft region, for the latching connection of the shaft region with the opening region.
In an advantageous embodiment of the household appliance, at least one further detent means, in particular a further detent projection, is arranged on the shaft region of the switching element, said further detent projection engaging in a detent manner on the opening region of the operating panel, in particular on the inner wall, for the detent connection of the shaft region to the opening region.
The following technical advantages are thereby achieved: a particularly effective fixing of the shaft region on the opening region is ensured by the further stop means. The at least one further detent means, in particular the further detent projection, can in particular comprise a plurality of further detent means, in particular a plurality of further detent projections, wherein the plurality of further detent means, in particular the further detent projections, are in particular arranged symmetrically to one another.
In this case, in particular, the further locking means arranged on the opening region can be pressed inward, in particular into a shaft region groove arranged on the shaft region, by moving the shaft region into a panel opening delimited by the opening region. The further locking means can then be locked in engagement with the opening region of the operating panel, in particular on the inner wall, for locking the shaft region in connection with the opening region.
In an advantageous embodiment of the domestic appliance, the operating panel has at least one electronics fastening element for fastening an electronic component to the operating panel, wherein the electronics fastening element is arranged on a panel inner side of the operating panel facing the appliance interior, wherein in particular the electronics fastening element is arranged on an inner region of the operating panel.
The following technical advantages are thereby achieved: the electronic component can be effectively fixed to the operation panel by the electronic component fixing member.
In an advantageous embodiment of the household appliance, the switching region of the switching element, in particular outside the switching region, has at least one light-emitting element, which is designed for illuminating the space outside the appliance, wherein in particular the switching region, in particular outside the switching region, is designed as a light-emitting element.
The following technical advantages are thereby achieved: the effective illumination of the space outside the appliance is ensured by the light-emitting elements of the switching region. Alternatively, the light-emitting element can be arranged on the switching region of the switching element, or the switching region itself can be designed as a light-emitting element.
In an advantageous embodiment of the domestic appliance, the domestic appliance has a light source for emitting light, which is arranged in the appliance interior space, and the shaft region has a light-guiding element, which is designed to couple light emitted by the light source into the light-guiding element, to be guided by the light-guiding element, and to be output from the light-guiding element, so that the output light is then supplied to the light-emitting element for illuminating the appliance exterior space.
The following technical advantages are thereby achieved: the light-emitting element ensures a coupling in optical coupling technology between a light source arranged in the domestic appliance and a switching region of the switching element arranged on the operating panel and having the light-emitting element. The light-conducting element extends here through the shaft region of the switching element and thus guides the light emitted by the light source to the light-emitting element on the operating panel.
In an advantageous embodiment of the domestic appliance, the shaft region has a contact region, in particular a pin-shaped contact region, which is arranged in a lead-in region of the domestic appliance, wherein the contact region is designed to couple light emitted by the light source into the contact region, wherein the shaft region is designed to guide the light coupled into the contact region through the contact region and through the shaft region and to output it from the shaft region, so that the output light is then supplied to the light-emitting element for illuminating a space outside the appliance.
The following technical advantages are thereby achieved: an effective optical coupling connection between the shaft region and the light source is achieved by the contact region of the shaft region of the switching element. In this case, a contact region, in particular in the form of a pin, is introduced into the introduction region of the household appliance. In this case, the shape of the contact region, in particular the pin shape, is adapted to the shape of the insertion region. In this case, the light source of the household appliance is arranged in particular on the insertion region, so that the transmission of the emitted light to the contact region of the shaft region is ensured.
In an advantageous embodiment of the household appliance, the switching region is arranged on the panel outer side of the operating panel facing the appliance exterior space, wherein the switching region is designed as a light-emitting element, wherein the switching region, which is designed in particular as a light-emitting element, is designed as a hollow-cylindrical switching region.
The following technical advantages are thereby achieved: the switching region which is arranged on the outside of the panel and is configured as a light-emitting element is advantageously operated and the outside of the luminaire can also be effectively illuminated.
In an advantageous embodiment of the domestic appliance, the shaft region of the switching element has a shaft outer section which is arranged on the panel outer side of the operating panel facing the appliance exterior space and the switching region which is designed as a light-emitting element has a receiving groove in which the shaft outer section is received in such a way that the light-conducting element of the shaft region is coupled to the light-emitting element in a light-coupling manner.
The following technical advantages are thereby achieved: the light guided outside the faceplate by the light-guiding element of the shaft region can advantageously be guided into the shaft outer section of the shaft region. By receiving the shaft outer section in a receiving groove of the switching region, the light output by the shaft outer section is advantageously coupled into the switching region, so that the switching region configured as a light-emitting element can advantageously emit light.
In an advantageous embodiment of the household appliance, the shaft region of the switching element has a counter-section which bears against a stop of the operating panel in such a way that an introduction movement of the switching element into the panel opening is limited, wherein the counter-section in particular has a spring element which bears against the stop and is configured to provide tolerance compensation between the stop and the shaft region.
The following technical advantages are thereby achieved: the corresponding section provides an advantageous tolerance compensation between the stop and the shaft region. If the shaft region of the switching element is introduced through the panel opening, the counter section, in particular the spring element, can be deformed until, in particular, the corresponding latching means snaps in, so that an advantageous fixing of the switching element on the operating panel is ensured.
In an advantageous embodiment of the household appliance, the shaft region has a segment opening which is bounded by a segment opening edge, wherein the spring element is in particular connected to the segment opening edge and extends into the segment opening, wherein the spring element is in particular designed as a meander-shaped curved spring element having an abutment segment facing the stop.
The following technical advantages are thereby achieved: when the shaft region is moved in, the particularly meandering spring element can bend until a stop between the shaft region and the operating panel is ensured.
Drawings
Embodiments of the invention are illustrated in the drawings and described in detail below.
The figures show:
fig. 1 is a schematic view of a household appliance with a switching element fixed on an operating panel;
fig. 2 is a schematic view of a switching element on the outer side of a panel of an operating panel of a domestic appliance;
fig. 3 is a schematic view of a switching element according to a first embodiment on the inside of a panel of an operating panel of a domestic appliance;
fig. 4 is a schematic view of a switching element according to a second embodiment on the inside of a panel of an operating panel of a domestic appliance; and
fig. 5 is a schematic view in cross section of a corresponding section of the switching element according to the first or second embodiment on an operating panel of the domestic appliance.
Detailed Description
Fig. 1 shows a schematic view of a household appliance 100, for example a household appliance 100 designed as a washing machine. The household appliance 100 has an appliance housing 101 which delimits an appliance interior space 103, which is only schematically illustrated in fig. 1, from an appliance exterior space 105.
The household appliance 100, which is in particular designed as a washing machine, has, in particular, a flush-in housing 109 for introducing detergent and an appliance door 111 for introducing laundry on an appliance front side 107 of the appliance housing 101.
The household appliance 100 also has an operating panel 113 arranged on the household appliance front side 107. On a panel outer side 115 of the operating panel 113 facing the appliance exterior 105, a switching element 117 is arranged, by means of which a user of the household appliance 100 can operate the household appliance 100.
The switching element 117 is in particular designed as a rotary selector switch, which can be rotated about a rotary axis 119 of the rotary selector switch.
Even if not shown in fig. 1, the operating panel 113 can also have further switching elements, for example rotary selector switches, buttons and/or a touch screen, and/or the operating panel 113 can have at least one display element, in particular a display screen, for displaying at least one operating parameter of the household appliance 100.
Fig. 2 shows a schematic view of a switching element on the outside of a panel of an operating panel of a household appliance. In the illustration shown in fig. 2, the operating panel 113 arranged on the appliance front side 107 of the appliance housing 101 of the domestic appliance 100 is only shown in sections. The operation panel 113 has a panel outer side 115 facing the appliance exterior space 105 and a panel inner side 121 facing the appliance interior space 103.
A switching element 117 is arranged on the panel outer side 115 of the operating panel 113, which switching element can be switched by a user of the household appliance 100 from the appliance exterior space 105. In the illustration shown in fig. 2, a switching region 123 of the switching element 117 is shown, which can be actuated from the device exterior 105.
In particular, the switching element 117 is designed as a rotary selector switch, wherein the switching region 123 of the switching element 117 is designed as a switching region 123 which can be rotated about the axis of rotation 119 of the rotary selector switch. By rotating the switching region 123 about the axis of rotation 119, the user can, for example, select an operating program of the household appliance 100.
The switching region 123 shown in fig. 2 is in particular designed as a hollow-cylindrical switching region 123 which delimits a switching region interior 125.
The cover of the switching element 117, which is mounted in particular on the switching region 123 and which closes the switching region interior 125 and can in particular bear a graphic symbol or an alphanumeric symbol, is not shown in fig. 2.
In the illustration shown in fig. 2, the switching element 117 is in particular designed as a light-emitting element which is designed for illuminating the fixture outer region 105, so that an advantageous operation of the household appliance 100, in particular of the switching element 117, can be ensured even in a placement space of the household appliance 100 which is illuminated by a small amount.
The light required for illumination is guided here in particular from a light source of the household appliance 100 via the light-guiding element onto the switching region 123 of the switching element 117.
The switching region 123 embodied as a light-emitting element in particular has a receiving groove 127 in which a shaft outer section 129 of the switching element 117, which section includes a shaft region 131 of the light-conducting element, is received, so that the light-conducting element is connected to the switching region 123 embodied as a light-emitting element in a light-coupling manner.
For details concerning the switching element 117, reference is made to the following figures.
Fig. 3 shows a schematic view of a switching element according to a first embodiment inside a panel of an operating panel of a household appliance. The operation panel 113 has a panel outer side 115 facing the appliance exterior space 105 and a panel inner side 121 facing the appliance interior space 103.
The switching element 117 has a switching region 123 that can be actuated from the device exterior 105, wherein a switching region outer side 133 of the switching region 123 facing the device exterior 105 is only shown in sections in the view shown in fig. 3. In the view shown in fig. 3, the switching region inner side of the switching region 123 facing the appliance interior space 103 is arranged within the operating panel 113 and is not visible.
The operating panel 113 has a panel opening 137, which is bounded by an opening region 139 of the operating panel 113.
The switching element 117 has a shaft region 131, which is connected to the switching region 123, wherein the shaft region 131 extends through the panel opening 137. The shaft region 131 is in this case connected in a locking manner to an opening region 139 of the operating panel 113, so that the switching element 117 is fixed to the operating panel 113.
The opening region 139 of the operating panel 113 has an opening region inner side 141 facing the appliance interior 103, wherein an inner wall 143, which surrounds the panel opening 137 at least in sections and delimits a receiving opening, not shown in fig. 3, for receiving the shaft region 131, is arranged on the opening region inner side 141.
The shaft region 131 is connected in a locking manner to the opening region inner side 141, in particular to the inner wall 143.
At least one locking means 145, in particular a locking arm, is arranged on the opening region 139 of the operating panel 113, in particular on the opening region inner side 141 (in particular the inner wall 143) of the operating panel 113, said locking means engaging in a locking manner on the shaft region 131 of the switching element 117, in particular on the locking projection 147 of the shaft region 131, so that the shaft region 131 is connected in a locking manner with the opening region 139.
In particular, the at least one latching means 145 comprises a plurality of, in particular four, latching means 145, which are arranged, in particular, symmetrically about the shaft region 131.
If the switching element 117, in particular the shaft region 131 of the switching element 117, is moved in through the panel opening 137, the stop means 145, in particular the stop arm, is bent outward by the shaft region 131, in particular the stop projection 147 of the shaft region 131, and then engages over the shaft region 131 or snaps behind the stop projection 147, thereby locking the shaft region 131, so that the switching element 117 can no longer be pulled out of the panel opening 137 without actuating the stop means 145.
In particular, the switching element 117 is designed as a rotary selector switch, wherein the switching region 123 is designed as a switching region 123 which can be rotated about a rotational axis 119 of the rotary selector switch, and the shaft region 131 connected to the switching region 123 is designed as a shaft region 131 which can be rotated about the rotational axis 119 of the rotary selector switch, wherein in particular the shaft region 131 of the rotary selector switch extends along the rotational axis 119.
Thus, a rotation of the switching region 123 about the axis of rotation 119 by the user also causes a rotation of the shaft region 131 about the axis of rotation 119.
The control panel 113 has an inner region 149, which at least partially surrounds the opening region 139, in particular the opening region inner side 141, in particular the inner wall 143, of the control panel 113. The inner region 149 is arranged here in particular radially outside the opening region 139, in particular the opening region inner side 141, in particular the inner wall 143, of the operating panel 113.
In particular, this inner region 149 has a first region thickness 151 extending in the direction of the device interior 103, which is greater than a second region thickness 153 of the opening region 139 extending in the direction of the device interior 103. In the illustration shown in fig. 3, the second region thickness 153 of the opening region 139 is shown only in sections.
In particular, the operating panel 113 has at least one electronics fastening element 155 for fastening electronic components, not shown in fig. 3, to the operating panel 113. In particular, the at least one electronics fastening element 155 is designed as a positioning element for positioning electronic components, not shown in fig. 3, on the operating panel 113. The at least one electronics fastening element 155 is arranged on the panel inner side 121 of the operator panel 113 facing the fixture interior 103, wherein in particular the electronics fastening element 155 is arranged on the interior region 149 of the operator panel 113.
In order to ensure effective illumination of the fixture exterior 105, the switching region 123 of the switching element 117 arranged on the panel outer side 115 has at least one light-emitting element, or the switching region 123 of the switching element 117 is designed as a light-emitting element.
The household appliance 100 in particular has a light source, not shown in fig. 3, for emitting light, which is arranged in the appliance interior 103. The shaft region 131 has a light-conducting element 157, which is only schematically illustrated in fig. 3, and which is designed to couple light emitted by the light source into the light-conducting element 157, to be guided by the light-conducting element 157, and to be output from the light-conducting element 157, so that the output light is then supplied to the light-emitting elements of the switching region 123 for illuminating the fixture exterior 105.
The shaft region 131 has in particular a contact region 159, in particular a bolt-shaped contact region 159, which is arranged in a lead-in region of the domestic appliance 100, which is not shown in fig. 3. The contact region 159 is in this case designed to couple light emitted by the light source into the contact region 159, wherein the shaft region 131 is designed such that the light coupled into the contact region 159 is guided through the contact region 159 and through the shaft region 131 and is output from the shaft region 131, so that the output light is then supplied to the light-emitting elements of the switching region 123 for the lighting fixture exterior 105.
It can thus be ensured that light is efficiently guided from a light source arranged in the domestic appliance 100 for emitting light to the light-emitting elements of the switching region 123 via the light-guiding element 157 arranged in the shaft region 131, whereby an efficient illumination of the appliance exterior space 105 can be achieved.
By integrating the light-conducting element 157 into the shaft region 131 of the switching element 117, the number of components of the switching element 117 can be reduced, thereby reducing the assembly effort and therefore also the assembly cost of the switching element 117.
Furthermore, the latching connection between the switching element 117 and the operating panel 113 can reduce the assembly effort, since the switching element 117, in particular the shaft region 131, can only be easily introduced from the outside 105 of the appliance into the appliance interior 103 through the panel opening 137 and latched, as a result of which the fastening elements normally used can be dispensed with on the panel inside 121 of the operating panel 113.
In addition, the decoration process of the panel 113 can be simplified, since the panel can be advantageously printed digitally, for example by means of an inkjet or laser printing method, during the manufacturing process of the panel 113, and then the switching element 117 can be easily and advantageously fixed in a stop on the printed panel 113.
Fig. 4 shows a schematic view of a switching element according to a second embodiment on the panel inner side of an operating panel of a household appliance.
The second embodiment shown in fig. 4 corresponds to the first embodiment shown in fig. 3, with the only difference being the latching connection between the shaft region 131 of the switching element 117 and the opening region 139 of the operating panel 113.
In the embodiment shown in fig. 4, at least one further detent means 161, in particular a further detent projection, is arranged on the shaft region 131 of the switching element 117, said detent projection engaging in a detent manner on the opening region 139, in particular on the inner wall 143, of the operating panel 113, so that the shaft region 131 is connected in a detent manner with the opening region 139.
In particular, the at least one further stop means 161 comprises a plurality of, in particular two, stop means 161, which are arranged, in particular, symmetrically about the shaft region 131.
If the switching element 117, in particular the shaft region 131 of the switching element 117, is moved in through the panel opening 137, the further detent means 161, in particular the detent projections, are bent inward through the opening region 139, in particular the inner wall 143 of the opening region 139, in particular are pressed into the shaft region grooves 163 of the shaft region 131, then engage on the shaft region 131 or catch behind the opening region 139, in particular the inner wall 143 of the opening region 139, thereby locking the shaft region 131, so that the switching element 117 can no longer be pulled out of the panel opening 137 afterwards without actuating the further detent means 161.
Fig. 5 shows a schematic view of a corresponding section of the switching element according to the first or second embodiment in a sectional view on an operating panel of a household appliance. Reference is made to fig. 1, 2, 3 and 4 for detailed information of the switching element 117 fixed on the operating panel 113 of the household appliance 100.
As shown in the sectional view shown in fig. 5, the switching region 123, in particular the switching region outer side 133, of the switching element 117 is arranged on the panel outer side 115 of the operating panel 113 facing the appliance exterior space 105.
In the sectional view shown in fig. 5, the shaft region 131 of the switching element 117, which is connected to the switching region 123 and extends through the panel opening 137, is only shown in sections.
A further locking means 161, in particular a further locking projection, arranged on the shaft region 131 of the switching element 117 engages in a locking manner on an opening region 139, in particular on the inner wall 143, of the limiting panel opening 137 of the operating panel 113 for locking connection of the shaft region 131 with the opening region 139.
The shaft region 131 also has a counter-portion 165, which bears against a stop 167 of the operating panel 113 and serves to limit the insertion movement of the switching element 117 into the panel opening 137. The corresponding section 165 of the shaft region 131 extends in particular radially outside the opening region 139, in particular the inner wall 143, of the operating panel 113.
The counter-section 165 has a spring element 169 resting against the stop 167, which is designed to provide tolerance compensation between the stop 167 and the shaft region 131.
In this case, the mating portion 165 has, in particular, a portion opening 171 which is delimited by a portion opening edge 173, wherein the spring element 169 is, in particular, connected to the portion opening edge 173 and extends into the portion opening 171.
The spring element 169 is in particular designed as a meander-shaped curved spring element 169, which has an abutment section 175 facing the stop 167, in order to ensure effective tolerance compensation.
The spring element 169 ensures in particular that the shifting movement of the switching element 117 is such that the further latching means 161, in particular the further latching projections, snap into latching engagement with the opening region 139 of the delimiting panel opening 137 of the operating panel 113, wherein at the same time an effective latching of the switching element 117 in the panel 131 is ensured.
All the features illustrated and shown in connection with the various embodiments of the invention can be set forth in the subject matter according to the invention in different combinations to achieve their advantageous effects simultaneously.
The scope of protection of the invention is given by the claims and is not limited by the features set forth in the description or shown in the drawings.
List of reference numerals
100 household appliance
101 appliance casing
103 inner space of the appliance
105 outer space of the appliance
107 front side of the appliance
109 punch-in shell
111 appliance door
113 operating panel
115 outside of the panel
117 switching element
119 axis of rotation
121 panel inner side
123 switching region of a switching element
125 switching zone inner space
127 receiving groove
129 shaft outer section of the shaft region of the switching element
131 shaft region of the switching element
133 outside of the switching region of the switching element
137 panel opening
Opening region of 139 operation panel
141 operation panel, and the opening region inside the opening region
143 inner wall of the opening region
145 open area stop device
147 stop projection in the region of the shaft
149 inner region of operation panel
151 first region thickness of inner region
153 second region thickness of open region
155 electronic device fixing element
157 light guide element
159 contact area of shaft area of switching element
Additional stop means in the 161-axis region
163 shaft region groove
165 corresponding section of the shaft region
167 stop of operation panel
169 spring element of corresponding section
171 section opening of the corresponding section
173 sector opening edge of the corresponding sector
175 abutment section of the spring element.

Claims (15)

1. A household appliance (100) having an appliance housing (101) which delimits an appliance interior space (103) from an appliance exterior space (105), and having a switching element (117), wherein the appliance housing (101) has an operating panel (113) on an appliance front side (107), wherein the operating panel (113) has at least one panel opening (137) which is delimited by an opening region (139), and wherein the switching element is fastened to the operating panel (113), characterized in that,
the switching element (117) has a switching region (123) that can be actuated from a space (105) outside the appliance, and
the switching element (117) has a shaft region (131) which is connected to the switching region (123), wherein the shaft region (131) extends through the panel opening (137),
wherein the shaft region (131) is connected in a locking manner to an opening region (139) of the operating panel (113) for fastening the switching element (117) to the operating panel (113).
2. The household appliance (100) according to claim 1, wherein the switching element (117) is configured as a rotary selector switch, wherein the switching region (123) is configured as a switching region (123) which is rotatable about a rotational axis (119) of the rotary selector switch, wherein a shaft region (131) which is connected to the switching region (123) is configured as a shaft region (131) which is rotatable about the rotational axis (119) of the rotary selector switch, wherein in particular the shaft region (131) of the rotary selector switch extends along the rotational axis (119).
3. The household appliance (100) according to any one of the preceding claims, wherein the switching region (123) of the switching element (117) has a switching region outer side (133) facing the appliance exterior space (105), which is manipulable, in particular rotatable, from the appliance exterior space (105), and
the switching region (123) of the switching element (117) has a switching region inner side facing the device interior (103), wherein the switching region inner side is connected, in particular torsionally fixed, to a shaft region (131) of the switching element (117).
4. The household appliance (100) according to any one of the preceding claims, wherein the opening region (139) of the operating panel (113) has an opening region inner side (141) facing the appliance interior space (103), wherein an inner wall (143) is arranged, in particular on the opening region inner side (141), which surrounds the panel opening (137) at least in sections and delimits a receiving opening for receiving the shaft region (131),
the shaft region (131) is connected in a locking manner to an opening region inner side (141) of the operating panel (113), in particular to an inner wall (143).
5. The household appliance (100) according to any one of the preceding claims, characterized in that the operating panel (113) has an inner region (149) which at least partially surrounds an opening region (139), in particular an inner wall (143), of the operating panel (113), wherein in particular the inner region (149) has a first region thickness (151) which extends in the direction of the appliance interior space (103) and is greater than a second region thickness (153) of the opening region (139) which extends in the direction of the appliance interior space (103).
6. The household appliance (100) according to any one of the preceding claims, characterized in that at least one detent means (145), in particular a detent arm, is arranged on the opening region (139), in particular on the inner wall (143), of the operating panel (113), said detent arm fitting in a detent manner on a shaft region (131), in particular on a detent projection (147) of the shaft region (131), of the switching element (117) for connecting the shaft region (131) in a detent manner with the opening region (139).
7. The household appliance (100) according to any one of the preceding claims, characterized in that at least one further detent means (161), in particular a further detent projection, is arranged on the shaft region (131) of the switching element (117), which further detent projection fits with a detent on an opening region (139), in particular on an inner wall (143), of the operating panel (113) for detent connection of the shaft region (131) with the opening region (139).
8. The household appliance (100) according to any one of the preceding claims, wherein the operating panel (113) has at least one electronics fixing element (155) for fixing an electronic component on the operating panel (113), wherein the electronics fixing element (155) is arranged on a panel inner side (121) of the operating panel (113) facing the appliance interior space (103), wherein in particular the electronics fixing element (155) is arranged on an interior region (149) of the operating panel (113).
9. The household appliance (100) according to any one of the preceding claims, wherein a switching region (123), in particular a switching region outer side (133), of the switching element (117) has at least one light-emitting element, which is configured for illuminating the appliance exterior space (105), wherein in particular the switching region (123), in particular the switching region outer side (133), is configured as the light-emitting element.
10. The household appliance (100) according to claim 9, wherein the household appliance (100) has a light source for emitting light, which is arranged in the appliance interior space (103), and
the shaft region (131) has a light-guiding element (157) which is configured to couple light emitted by the light source into the light-guiding element (157), to be guided through the light-guiding element (157) and to be output from the light-guiding element (157), such that the output light is then fed to the light-emitting element for illuminating the fixture exterior space (105).
11. The household appliance (100) according to claim 10, wherein the shaft region (131) has a contact region (159), in particular a pin-shaped contact region (159), which is arranged in a lead-in region of the household appliance (100), wherein the contact region (159) is configured to couple light emitted by the light source into the contact region (159), wherein the shaft region (131) is configured to guide the light coupled into the contact region (159) through the contact region (159) and through the shaft region (131) and out of the shaft region (131), such that the output light is then conveyed to the light-emitting element for illuminating the appliance exterior space (105).
12. The household appliance (100) according to any of claims 9 to 11, characterized in that the switching region (123) is arranged on a panel outer side (115) of the operating panel (113) facing the appliance exterior space (105), wherein the switching region (123) is configured as the light-emitting element, wherein the switching region (123), in particular configured as a light-emitting element, is configured as a hollow-cylindrical switching region (123).
13. The household appliance (100) according to any of claims 10 to 12, characterized in that the shaft region (131) of the switching element (117) has a shaft outer section (129) which is arranged on a panel outer side (115) of the operating panel (113) facing the appliance outer space (105), and the switching region (123) which is configured as the light-emitting element has a receiving groove (127), wherein the shaft outer section (129) is received in the receiving groove (127) such that a light-guiding element (157) of the shaft region (131) is connected to the light-emitting element in an optically coupled manner.
14. The household appliance (100) according to any one of the preceding claims, wherein a shaft region (131) of the switch element (117) has a counter section (165) which bears against a stop (167) of the operating panel (113) for limiting an introduction movement of the switch element (117) into the panel opening (137), wherein the counter section (165) in particular has a spring element (169) which bears against the stop (167), the spring element being configured to provide tolerance compensation between the stop (167) and the shaft region (131).
15. The household appliance (100) according to claim 14, wherein the shaft region (131) has a segment opening (171) which is delimited by a segment opening edge (173), wherein the spring element (169) is connected to the segment opening edge (173) and extends into the segment opening (171), wherein the spring element (169) is in particular designed as a meander-shaped bent spring element (169) having an abutment segment (175) facing the stop (167).
CN202010063557.5A 2019-01-22 2020-01-20 Household appliance with a switching element Active CN111534976B (en)

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DE102019200708.2 2019-01-22
DE102019200708.2A DE102019200708A1 (en) 2019-01-22 2019-01-22 Household appliance with a switching element

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EP3686335A1 (en) 2020-07-29
DE102019200708A1 (en) 2020-07-23

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