EP4015914A1 - Kochgerät mit einem bedienknopf - Google Patents

Kochgerät mit einem bedienknopf Download PDF

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Publication number
EP4015914A1
EP4015914A1 EP21211454.0A EP21211454A EP4015914A1 EP 4015914 A1 EP4015914 A1 EP 4015914A1 EP 21211454 A EP21211454 A EP 21211454A EP 4015914 A1 EP4015914 A1 EP 4015914A1
Authority
EP
European Patent Office
Prior art keywords
shaft
knob
cooking appliance
guiding portion
recess
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
EP21211454.0A
Other languages
English (en)
French (fr)
Inventor
Serkan CIGAL
Gökhan Doburcan
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 EP4015914A1 publication Critical patent/EP4015914A1/de
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • G05G1/12—Means for securing the members on rotatable spindles or the like

Definitions

  • the invention relates to cooking appliances having a control knob connected to a shaft extending in a direction away from a control panel.
  • shafts are extending in the direction away from the control panel.
  • the control knobs provided on the shafts, are rotated and the power level of the heat source of the cooking appliance can be controlled. Since most of the control knobs are connected to the shafts without any locking mechanism, control knobs can be easily removed from the shafts.
  • US2733083 discloses a knob, a fastening device, and a shaft.
  • the fastening device is used for knob detaching force required being greater than the incidental removal force exerted to prevent undesired separation of the knob from the shaft.
  • the invention provides an additional improvement to the prior art.
  • An object of the present invention is to provide a control knob which is prevented from being easily removed during normal use.
  • the present invention proposes a cooking appliance comprising a main body, a control panel provided on the main body, a switch for adjusting a power level of a heat source, the switch comprising a shaft extending through the control panel, and a control knob connected to the shaft for rotating the shaft, wherein said control knob comprising a knob body having a guiding portion in which the shaft is arranged to extend.
  • the cooking appliance can be a freestanding cooking appliance.
  • the guiding portion is made of elastic material, preferably plastic material.
  • the guiding portion is provided with at least one protrusion, the shaft is provided with at least one corresponding recess, both of the protrusion and the recess are being sized and shaped to engage each other at a locked position so that knob body and shaft rotate together.
  • the knob body is prevented from moving slidably on the shaft. Therefore, when the user pulls the knob body at a locked position, the knob body is prevented from being removed from the shaft. This enables eliminating the safety problems likely to occur due to the control knob being removed from the shaft as a result of incidental removal force.
  • the shaft is provided with at least one pushing hole as a through-hole which enables the guiding portion is accessed when the knob body is at the locked position.
  • the pushing hole makes it easier to push the guiding portion when the knob body is in the locked position.
  • the guiding portion has a pushing end facing the pushing hole at the shaft when the knob body is at the locked position.
  • the cooking appliance comprises a gas tap which is connected to the shaft.
  • the cooking appliance can be a gas cooking appliance.
  • a knob collar is removably mounted on the shaft.
  • the user can remove the knob collar from the shaft without damaging it.
  • Knob collar placed between the control panel and the knob body.
  • a slot in which the knob body is partly positioned inside is disposed on the inner face of the knob collar.
  • the knob collar is slidably movable on the shaft between a first position in which it hides the pushing hole and a second position in which it allows access to the pushing hole.
  • the appearance of the cooking appliance is improved.
  • a resilience member is disposed between the knob body and the knob collar so that the knob body is movable relative to the knob collar by manipulating against the force of the resilience member.
  • the resilience member can be a spring, in particular a helical spring.
  • the recess has a polygonal cross-section, preferably rectangular.
  • the protrusion inserts into the recess easily.
  • the protrusion has at least a partly inclined portion which is inclined with respect to the longitudinal axis of the knob body.
  • the protrusion is prevented from being damaged during the disengaging from the recess.
  • the knob body has at least two slits that partly extend along the guiding portion.
  • the flexibility of the guiding portion is increased.
  • an indicator in the form of a lengthwise recess is provided on the knob body.
  • the user can detect the heat level easily by using the knob body and the control panel.
  • a method of mounting a control knob on a shaft of a cooking appliance comprising the steps of providing the cooking appliance wherein the cooking appliance comprises a main body; a control panel provided on the main body, and a switch having a shaft extending through the control panel for adjusting a power level of a heat source; creating a recess on the shaft of the switch; providing a control knob wherein the control knob has a guiding portion in which the shaft is arranged to extend, and the guiding portion having at least one protrusion shaped and dimensioned with respect to the recess on the shaft and mounting the control knob to the shaft such that the protrusion and the recess engage each other at a locked position in which the control knob and the shaft rotate together.
  • the knob body is prevented from moving slidably on the shaft.
  • a method of mounting a control knob on a shaft of a cooking appliance comprising further the step of creating at least one pushing hole on the shaft as a through-hole which enables the guiding portion is accessed when the knob body is at the locked position; providing a pushing end on the guiding portion facing the pushing hole at the shaft when the knob body is at the locked position.
  • the pushing hole enables the user can access to the guiding portion when the knob body is in the locked position.
  • a method of mounting a control knob on a shaft of a cooking appliance comprising further the step of pushing the pushing end of the guiding portion by inserting a tool into the pushing hole to disengage the protrusion from the recess when demounting is needed.
  • the demounting is simplified.
  • the present invention proposes a cooking appliance (100) comprising a main body (110), a control panel (120) provided on the main body (110), a switch (30) for adjusting a power level of a heat source, the switch (30) comprising a shaft (20) extending through the control panel (120) and a control knob (10) connected to the shaft (20) for rotating the shaft (20), wherein said control knob (10) comprising a knob body (11) having a guiding portion (12) in which the shaft (20) is arranged to extend.
  • the control panel (120) is provided on the main body (110).
  • the control knob (10) is disposed on the control panel (120).
  • the guiding portion (12) is provided with at least one protrusion (13), the shaft (20) is provided with at least one corresponding recess (21) and both the protrusion (13) and the recess (21) are being sized and shaped to engage each other at a locked position so that knob body (11) and shaft (20) rotate together.
  • the protrusion (13) is formed on the upper part of the guiding portion.
  • the shaft (20) is inserted into the guiding portion (12).
  • the recess (21) is formed on the lower part of the shaft (20).
  • the knob body (11) When the knob body (11) is slided on the shaft (20) fully, the knob body (11) is brought to the locked position. Since the protrusion (13) is inserted into the recess (21) when the knob body (11) is at a locked position, the knob body (11) is prevented from moving horizontally on the shaft (20).
  • the shaft (20) is provided with at least one pushing hole (22) as a through-hole which enables the guiding portion (12) is accessed when the knob body (11) is at the locked position.
  • the pushing hole (22) is formed on the part of the shaft (22) extending out of the control panel (120) wherein the pushing hole (22) is closer to the control panel (120) than the recess (21). Therefore, the pushing hole (22) enables the user access to the guiding portion (12) when the knob body (11) is at the locked position.
  • the shaft (20) is positioned inside the guiding portion (12).
  • the knob body (11) can be brought into a locked position in which the protrusion (13) and the recess (21) are engaged with each other.
  • the knob body (11) and the shaft (20) are connected and able to rotate together.
  • the knob body (11) can also be brought into an unlocked position in which the protrusion (13) and the recess (21) are not engaged with each other.
  • the user can push the guiding portion (12) through the pushing hole (22) by using a tool or his/her hand. By applying force onto the guiding portion (12), the guiding portion (12) stretches downwardly.
  • pushing a pushing end (17) of the guiding portion (12) by inserting a tool into the pushing hole (22) helps to disengage the protrusion (13) from the recess (21).
  • the protrusion (13) comes out of the recess (21) to disengage.
  • the knob body (11) must be pulled when the protrusion (13) comes out of the recess (21).
  • the guiding portion (12) has the pushing end (17) facing the pushing hole (22) at the shaft (20) when the knob body (11) is at the locked position.
  • the knob body (11) is at the locked position, the user can apply force onto the pushing end (17) through the pushing hole (22).
  • the pushing end (17) is pushed by the user, the guiding portion (12) stretches downward.
  • the protrusion (13) provided on the guiding portion (12) comes out of the recess (21).
  • the cooking appliance (100) comprises a gas tap (40) which is connected to the shaft (20).
  • the gas tap (40) having a flow control member controlled by the shaft (20) which is rotated by said control knob (10).
  • the knob collar (14) is removably mounted on the shaft (20) and placed between the control panel (120) and the knob body (11).
  • the knob collar (14) has a hollow shape with a bottom wall having a connection hole (23) in which the shaft (20) extends. Said connection hole (23) is formed on a raised portion at the bottom wall of the knob collar (14).
  • An inner face of the knob collar (14) is provided with a slot (19) in which the knob body (11) is partly positioned inside. The inner face of the knob collar (14) faces the knob body (11) when the knob body (11) and knob collar (14) is connected. At least one portion of the knob body (11) can be snap-fitted into the slot (19) of the knob collar (14).
  • the knob body (11) is removably mounted to the knob collar (14).
  • the knob collar (14) can be slidably movable on the shaft (20) between a first position in which it hides the pushing hole (22) and a second position in which it allows access to the pushing hole (22).
  • the knob collar (14) is at the first position.
  • the knob collar (14) is pulled by the user.
  • the knob collar (14) is at the second position.
  • the knob body (11) has at least two slits (15) that partly extend along the guiding portion (12).
  • the slits (15) are formed on both lateral sides of the pushing end (17). Said slits (15) make the pushing end (17) flexible and allow to be pushed for disengagement.
  • the cooking appliance (100) further comprises a resilience member (50) which is disposed between the knob body (11) and the knob collar (14) so that the knob body (11) is movable relative to the knob collar (14) by manipulating against the force of the resilience member (50).
  • An end of the resilience member (50) is guided on the bottom wall of the knob collar (14) and in the proximity of the raised portion of the knob collar (14) which helps to keep the resilience member (50) in its position.
  • the other end of the resilience member (50) is guided on a bottom wall of the knob body (11).
  • the recess (21) has a polygonal cross-section, preferably rectangular. Since the recess (21) is shaped and dimensioned with respect to the protrusion (13), the cross-section of the recess (21) can vary.
  • the protrusion (13) has at least a partly inclined portion (18) which is inclined with respect to the longitudinal axis of the knob body (X). This inclined portion (18) allows the engagement of the recess (21) and protrusion (13) when the knob body (11) is moved relative to the cooking appliance (100).
  • the cooking comprises an indicator (16) in the form of a lengthwise recess which is provided on the knob body (11).
  • the indicator (16) is formed on the outer face of the knob body (11) and helps the user to indicate the position of the control knob (10).
  • a method of mounting a control knob (10) on a shaft (20) of a cooking appliance (100) comprising the steps of; providing the cooking appliance (100) wherein the cooking appliance (100) comprises a main body (110); a control panel (120) provided on the main body (110), and a switch (30) having a shaft (20) extending through the control panel (120) for adjusting a power level of a heat source, creating a recess (21) on the shaft (20) of the switch (30), providing a control knob (10) wherein the control knob (10) has a guiding portion (12) in which the shaft (20) is arranged to extend, and the guiding portion (12) having at least one protrusion (13) shaped and dimensioned with respect to the recess (21) on the shaft (20), mounting the control knob (10) to the shaft (20) such that the protrusion (13) and the recess (21) engage each other at a locked position in which the control knob (10) and the shaft (20) rotate together.
  • the control knob (10) comprises a knob body (11) which is connected to the shaft (20).
  • the protrusion (13) provided on the knob body (11), has at least partly inclined portion (18) which is inclined with respect to the longitudinal axis of the knob body (X).
  • the recess (21) formed on the shaft (20) has a rectangular cross-section. When the protrusion (13) and the recess (21) are engaged to each other, the knob body (11) is connected to the shaft (20).
  • a method of mounting a control knob (10) on a shaft (20) of a cooking appliance (100) comprising further the step of; creating at least one pushing hole (22) on the shaft (20) as a through-hole which enables the guiding portion (12) is accessed when the knob body (11) is at the locked position and providing a pushing end (17) on the guiding portion (12) facing the pushing hole (22) at the shaft (20) when the knob body (11) is at the locked position.
  • the pushing hole (22) enables the user can push the pushing end (17) when the knob body (11) is at the locked position.
  • the pushing hole (22) can be hidden by knob collar (14) which is slidably mounted on the shaft (20).
  • the knob collar (14) is movable between the first position in which it hides the pushing hole (22) and the second position in which it allows access to the pushing hole (22).
  • a method of mounting a control knob (10) on a shaft (20) of a cooking appliance (100) comprising further the step of; pushing the pushing end (17) of the guiding portion (12) by inserting a tool into the pushing hole (22) to disengage the protrusion (13) from the recess (21) when demounting is needed.
  • User can also push the pushing end (17) through the pushing hole (22) with his/her hand.
  • the knob body (11) In order to remove the knob body (11) from the shaft (20), the knob body (11) must be pulled when the pushing end (17) is pushed by the user.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Cookers (AREA)
  • Mechanical Control Devices (AREA)
EP21211454.0A 2020-12-18 2021-11-30 Kochgerät mit einem bedienknopf Pending EP4015914A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2020/20843A TR202020843A1 (tr) 2020-12-18 2020-12-18 Bi̇r kontrol düğmesi̇ne sahi̇p bi̇r pi̇şi̇ri̇ci̇ ci̇haz

Publications (1)

Publication Number Publication Date
EP4015914A1 true EP4015914A1 (de) 2022-06-22

Family

ID=78820248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21211454.0A Pending EP4015914A1 (de) 2020-12-18 2021-11-30 Kochgerät mit einem bedienknopf

Country Status (2)

Country Link
EP (1) EP4015914A1 (de)
TR (1) TR202020843A1 (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733083A (en) 1956-01-31 Strange
US2849891A (en) * 1954-02-19 1958-09-02 Herbert E Mills Safety handle
DE7002051U (de) * 1970-01-22 1970-07-02 Bauknecht Gmbh G Bedienungsvorrichtung.
JPS54169694U (de) * 1978-05-19 1979-11-30
JPS5981816U (ja) * 1982-11-22 1984-06-02 富士通テン株式会社 機器用つまみの取付け構造
EP2620831A2 (de) * 2011-10-26 2013-07-31 BSH Bosch und Siemens Hausgeräte GmbH Bedienelement für ein Ventil, Ventil, Kombination von Bedienelement und Ventil sowie Haushaltsgerät
EP2952817A1 (de) * 2014-05-28 2015-12-09 BSH Hausgeräte GmbH Hausgeräte-bedienanordnung, gasventil und herd
EP3506328A1 (de) * 2017-12-27 2019-07-03 BSH Hausgeräte GmbH Kochgerät mit einem bedienknopf

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733083A (en) 1956-01-31 Strange
US2849891A (en) * 1954-02-19 1958-09-02 Herbert E Mills Safety handle
DE7002051U (de) * 1970-01-22 1970-07-02 Bauknecht Gmbh G Bedienungsvorrichtung.
JPS54169694U (de) * 1978-05-19 1979-11-30
JPS5981816U (ja) * 1982-11-22 1984-06-02 富士通テン株式会社 機器用つまみの取付け構造
EP2620831A2 (de) * 2011-10-26 2013-07-31 BSH Bosch und Siemens Hausgeräte GmbH Bedienelement für ein Ventil, Ventil, Kombination von Bedienelement und Ventil sowie Haushaltsgerät
EP2952817A1 (de) * 2014-05-28 2015-12-09 BSH Hausgeräte GmbH Hausgeräte-bedienanordnung, gasventil und herd
EP3506328A1 (de) * 2017-12-27 2019-07-03 BSH Hausgeräte GmbH Kochgerät mit einem bedienknopf

Also Published As

Publication number Publication date
TR202020843A1 (tr) 2022-06-21

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