WO2021221571A1 - Bouton de commande rotatif avec repère pour appareil de cuisson - Google Patents

Bouton de commande rotatif avec repère pour appareil de cuisson Download PDF

Info

Publication number
WO2021221571A1
WO2021221571A1 PCT/TR2020/050364 TR2020050364W WO2021221571A1 WO 2021221571 A1 WO2021221571 A1 WO 2021221571A1 TR 2020050364 W TR2020050364 W TR 2020050364W WO 2021221571 A1 WO2021221571 A1 WO 2021221571A1
Authority
WO
WIPO (PCT)
Prior art keywords
control knob
cap
adapter element
tab
knob according
Prior art date
Application number
PCT/TR2020/050364
Other languages
English (en)
Other versions
WO2021221571A9 (fr
Inventor
Omer YANIK
Tuncay CIHAN
Original Assignee
Mamur Teknoloji Sistemleri San. A.S.
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 Mamur Teknoloji Sistemleri San. A.S. filed Critical Mamur Teknoloji Sistemleri San. A.S.
Priority to EP20933023.2A priority Critical patent/EP4143661A4/fr
Priority to PCT/TR2020/050364 priority patent/WO2021221571A1/fr
Publication of WO2021221571A1 publication Critical patent/WO2021221571A1/fr
Publication of WO2021221571A9 publication Critical patent/WO2021221571A9/fr

Links

Classifications

    • 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
    • G05G1/015—Arrangements for indicating the position of a controlling member
    • 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

Definitions

  • the invention relates to the control knobs, particularly to multi-component rotary control knobs for cooking appliances.
  • Rotary control knobs used in cooking appliances generally include a hollow cylindrical body and an indicator formed thereon.
  • the indicator visually accessible from the outside of the body expose the current position of the rotary control knobs which is mounted to the shaft of a switch or gas cock from a retaining part extending from the body.
  • the indicator can be formed by serigraphy on the body by printing. The indicator can be indistinctive over the time due to the heat and wear.
  • W02020TR050340 discloses a rotary control knob for an oven, comprising a hollow cover having an upper wall and a skirt part that extends downward from the circumferential edge of the upper wall to form a flat orifice at its lower end.
  • the rotary control knob comprises a hub projecting from the upper wall; a retaining part located at least partially circumferentially around the hub so as to directly hold on thereto; and an indicator element having an indicator extension that extends from the shoulder part of the retaining part toward the orifice in the skirt part with being bended.
  • Such knobs achieve the indicator with outward extension by being bent from the body.
  • the object of the invention is to provide a simple rotary control knob for cooking appliances with an indicator disposed on the cover.
  • the invention comprises a rotary control knob for a cooking appliance, comprising a hollow body which is having an orifice surrounded by a lateral wall and a front wall in the opposite direction to the orifice; a sleeve extending from the rear part of the front wall towards the orifice; and an adapter element provided over the front wall of the body; a cap arranged to cover a top side of the adapter element.
  • the control element also comprises at least one tab integrated into the cap, which is directly engaged to the body by passing through a longitudinal intermediate slot in the adapter element to support the adapter element from the front, and an indicator pin which extends at the top side, at least partially filling a longitudinal upper opening on the cover to be visually accessible when the tab is engaged with the body.
  • the adapter element is disposed on the body of the control element, respectively, and the cover is pushed over the adapter element and the adapter element between the body and the control element is fixed to the body with the cover.
  • the adapter element is preferably made of a different color or shade of material than the cover.
  • the adapter element is produced as a single piece by injection with plastic raw material in a different color or shade than the cover.
  • adapter element and the cover are in a circular disc like form that concentrically engage with each other in a superimposed manner. Thereby, it is possible to obtain a compact rotary control knob.
  • the disc structure can be arranged in a flat or curved structure.
  • the adapter element is extended on the body to cover the front wall. Further, this extension is preferably arranged to project from the front wall.
  • the adapter element is made accessible from the outside from its outer periphery in the form of a ring on the body. In this case, the adapter element forms a handle projecting from the front wall of the body.
  • the adapter element and the corresponding cover are in the form of a convex dome that engage with each other in a matching manner.
  • the extension distance of the tab from the back of the cover towards the body is increased and the assembly of the cover, which is brought to the visible point, is facilitated.
  • the surface area on the cover is increased compared to a flat cover, and a large indicator pin area facilitating the visual accessibility is obtained.
  • the invention in a preferred embodiment, it includes a lower slot provided on the front wall and through which the tab passes, and a retaining projection extending under the lower slot and in which the tab is inserted from the one end thereof.
  • the tab extends into the body by passing over the front wall of the body and retains the body together with the cover towards the adapter part in a supporting manner by being engaged to the retaining projection from the end part.
  • the lower slot is aligned with the intermediate slot to form a channel together. In this case, by placing the adapter part onto the body, the channel through which the tab will pass is easily visible from the front, and the cover is simply pushed to the adapter part from the front, allowing the tab to reach the body in a guided manner.
  • the adapter part in a preferred embodiment, it includes a lower ring that is provided at an outer periphery of the adapter part and in which the body on the one side fits into a corresponding mounting channel, and an outer channel in which the cover on the other side is inserted from the lower edge thereof.
  • the outer periphery of the adapter part ensures that the cover and body are radially aligned.
  • the indicator pin and the corresponding upper opening have a triangular-like form, the outer end of which is adjacent to a skirt part of the cover.
  • a triangular indicator is provided on the outer wall of the cover extending radially outward from one corner. The user can easily adjust the radial position of the control knob by seeing which symbols or characters the outer end of the triangle points to a control panel where the rotary control element is disposed.
  • the sleeve is aligned concentrically with the cover on an extension axis on the body.
  • the cover is mounted onto an adjustment shaft, if the cover is rotated, there is no radial deviation with respect to the position thereof and it rotates around the extension axis.
  • the cover and the tab are arranged parallel to each other and extend in the opposite direction at right angles to the cover. This simplifies the assembly of the control knob.
  • the invention includes a cooking device comprising a control knob according to any of the above described.
  • Figure 1 is a perspective assembly illustration of a representative embodiment of the rotary control knob of the invention.
  • Figure 2 is an exploded view of the rotary control knob before assembly with the cover and ring being separated.
  • Figure 3 is a cross-sectional illustration of the embodiment of the rotary control knob given in Figure 2.
  • Figure 4 is a cross-sectional illustration of the embodiment of the rotary control knob given in Figure 1 .
  • Figure 1 there is shown a perspective view of the rotary control knob in mounted condition, which is pulled into the rod of a control switch in a control panel (not shown) of the oven.
  • the rotary control knob comprises a cylindrical hollow body (30) surrounded by a lateral wall (32) in the form of an open orifice (37) on its lower part, an adapter part (20) on its top side, and a circular cap (10).
  • An indicator pin (22) fills the upper opening (16).
  • the indicator pin (22) is in the form of an isosceles triangle with an outer end (221 ) adjacent to a skirt part (11 ) of the cap (10) and an opposite inner edge (223) facing inward and forming the base edge.
  • the skirt part (11 ) of the cap (10) is adjacent to an outwardly curved outer periphery (27) of the adapter part (20).
  • the rotary control knob is shown in disassembled condition.
  • the cap (10) is produced in one piece by injection from plastic material and has an outer wall (12) in the form of an outwardly curved dome.
  • the skirt part (11) descends straight down from the peripheral edge of the outer wall (12).
  • a tab (14) and two auxiliary tabs (15) extend straight out from a lower edge (13) of the skirt part (11 ).
  • the adapter part (20) is in circular form and has a convex top side (26) whose top side (26) matches with the inner part of the outer wall (12) of the cap (10).
  • the adapter part (20) is also produced in a single piece with plastic injection.
  • An indicator pin (22) extends upwards from the top side (26) of the adapter part (20).
  • the height of the indicator pin (22) is equal to the section thickness of the cap (10) so that it completely fills the upper opening (16).
  • a central hole (24) located in the center of the circle in the top side (26) and intermediate slots (25) adjacent thereto are provided so as to be aligned with the tabs (14) and the auxiliary tabs (15).
  • the outer periphery (27) gradually forms a wide flange structure in the radial direction from the top side (26).
  • a circular lower ring (28) is provided in the lower part of the outer periphery (27).
  • the lower ring (28) is adjacent to a stepped support wall (29).
  • the body (30) includes a front wall (39) provided on the top side of the cylindrical lateral wall (32) and at its top side having an outwardly extending dome structure with an outer diameter equal to the inner diameter of the lower ring (28).
  • a hub (38) in the form of a cylindrical projection.
  • a lower slot (35) is provided in the front wall (39) that opens from one side to the other.
  • the lower slot (35) is sized so that the tab (14) can pass and is the same size as the intermediate slot (25).
  • a retaining projection (36) in the wedge structure that expands down from one side of the lower slot (35) is integrally formed with the body (30).
  • the retaining projection (36) expands downwards, gradually narrowing the adjacent lower slot (35).
  • An outer frame (31) extends upwards from the upper corner of the lateral wall
  • the outer frame (31) delimits an opening that expands in diameter upwards.
  • FIG 3 the same configuration of the rotary control knob is shown in cross-section in the disassembled condition.
  • the tab (14) has a wedge-like end part (142) integrally formed in a flat flexible arm (141).
  • the length of the arm (141) is adjusted such that it places the retaining part of the end part (142) through the channel consisting of the intermediate slot (25) and the lower slot (35) to the body (30) from the inner part thereof.
  • Both the outer end (221) and the inner edge (223) of the indicator pin (22) extend upwards from the top side (26) perpendicular to the radial expansion plane in accordance with the flat section of the upper opening (16).
  • a recess (17) is formed centrally on the inner periphery of the outer wall (12) of the cap (10).
  • the diameter of the recess (17) corresponds to the outer diameter of the hub (38).
  • the outer periphery (27) of the adapter element (20) is in a form suitable for placing on the lower edge (13) of the cap (10), in line with the outer channel (21 ) from the top side and opposite to the lower ring (28) from the lower part, and placing in the mounting channel (34) delimited by the outer frame (31) of the body (30).
  • the control knob is shown in cross-section in assembly.
  • the lower ring (28) of the adapter element (20) is located circumferentially in a mounting channel (34) in a suitable form.
  • the support wall (29) is disposed on the adjacent wall of the mounting channel (34) that faces inward.
  • the outer periphery (27) is joined at its corners in a convex ring structure such that it will provide a continuous passage between the outer wall (12) and the outer frame (31).
  • the hub (38) is disposed in the central hole (24) in a circumferential manner, so as to ensure centering.
  • the cap (10) is mounted on the adapter element (20) by pushing it from its top side (26). Meanwhile, the tabs (14, 15) are aligned with the corresponding intermediate slot (25).
  • the end part (142) is inserted into the retaining projection (36) by snap-fit by means of the corresponding arms (141) of the tabs (14, 15) extending from the intermediate slot (25) and the lower slot (35), respectively.
  • the length of the tab (14) is arranged so that the lower edge (13) of the outer channel (21) abuts from the inside when the end part (142) passes into the retaining projection (36).
  • the outer periphery (27) encloses the skirt (11 ) from the top and abuts against the outer frame (31) from the below.
  • the adapter part (20) is mounted coaxially on an extension axis (y) with the cap (10) on the one side and the body (30) on the other side.
  • the sleeve (33) has an internal cavity extending into the hub (38).
  • the hub (38) that passes through the central hole (24) in assembly is fully inserted into the recess (17).
  • the adapter part (20) visually facilitates access to the outer periphery (27) and the indicator pin (22) such that they can be distinguished from the cap (10) and the body (30) and the position of the rotary control knob is formed on the cap (10) with the indicator pin (22) in an easily visible manner.
  • the outer periphery (27) facilitates the recognition and access of the functional part by the user by exposing the contour of the lateral wall (32) forming the retaining part.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

L'invention concerne un bouton de commande rotatif pour un appareil de cuisson comprenant un corps creux (30) présentant un orifice (37) entouré d'une paroi latérale (32) et d'une paroi avant (39) dans le sens opposé à l'orifice (37); un manchon (33) s'étendant à partir du côté arrière de la paroi avant (39) vers l'orifice (37); et un élément adaptateur (20) disposé sur la paroi avant (39) du corps (30); un capuchon (10) agencé pour recouvrir le côté supérieur (26) de l'élément adaptateur (20). L'élément de commande rotatif comprend en outre au moins une patte (14) intégrée dans le capuchon (10) de manière à venir en prise directe avec le corps (30) par passage par une fente intermédiaire longitudinale (25) dans l'élément adaptateur (20) pour supporter l'élément adaptateur (20) à partir de l'avant et une goupille de repère (22) s'étend au niveau du côté supérieur (26) de manière à remplir au moins partiellement une ouverture supérieure longitudinale (16) sur le capuchon (10) afin d'être visuellement accessible lorsque la patte (14) est en prise avec le corps (30).
PCT/TR2020/050364 2020-04-30 2020-04-30 Bouton de commande rotatif avec repère pour appareil de cuisson WO2021221571A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20933023.2A EP4143661A4 (fr) 2020-04-30 2020-04-30 Bouton de commande rotatif avec repère pour appareil de cuisson
PCT/TR2020/050364 WO2021221571A1 (fr) 2020-04-30 2020-04-30 Bouton de commande rotatif avec repère pour appareil de cuisson

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2020/050364 WO2021221571A1 (fr) 2020-04-30 2020-04-30 Bouton de commande rotatif avec repère pour appareil de cuisson

Publications (2)

Publication Number Publication Date
WO2021221571A1 true WO2021221571A1 (fr) 2021-11-04
WO2021221571A9 WO2021221571A9 (fr) 2021-12-02

Family

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Application Number Title Priority Date Filing Date
PCT/TR2020/050364 WO2021221571A1 (fr) 2020-04-30 2020-04-30 Bouton de commande rotatif avec repère pour appareil de cuisson

Country Status (2)

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EP (1) EP4143661A4 (fr)
WO (1) WO2021221571A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015180789A1 (fr) * 2014-05-30 2015-12-03 Arcelik Anonim Sirketi Bouton présentant une faisabilité et un assemblage améliorés destiné à être utilisé dans un appareil de cuisson
CN208580351U (zh) * 2018-07-28 2019-03-05 宁波方太厨具有限公司 一种用于家用电器的旋钮结构
CN110989764A (zh) * 2019-12-11 2020-04-10 广东美的厨房电器制造有限公司 旋钮、面板组件及家用电器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50147848U (fr) * 1974-05-27 1975-12-08
CN201548865U (zh) * 2009-09-29 2010-08-11 比亚迪股份有限公司 一种可缩进的旋钮及包含该旋钮的控制面板
WO2013098243A2 (fr) * 2011-12-30 2013-07-04 Arcelik Anonim Sirketi Appareil électroménager
CN209417618U (zh) * 2018-10-30 2019-09-20 博西华电器（江苏）有限公司 家用电器的旋转操作装置及家用电器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015180789A1 (fr) * 2014-05-30 2015-12-03 Arcelik Anonim Sirketi Bouton présentant une faisabilité et un assemblage améliorés destiné à être utilisé dans un appareil de cuisson
CN208580351U (zh) * 2018-07-28 2019-03-05 宁波方太厨具有限公司 一种用于家用电器的旋钮结构
CN110989764A (zh) * 2019-12-11 2020-04-10 广东美的厨房电器制造有限公司 旋钮、面板组件及家用电器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4143661A4 *

Also Published As

Publication number Publication date
WO2021221571A9 (fr) 2021-12-02
EP4143661A4 (fr) 2024-03-13
EP4143661A1 (fr) 2023-03-08

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