[0001] The present invention relates to a gas cooking device comprising a cooktop plate,
at least one opening provided on the cooktop plate, a gas control member positioned
below the cooktop plate, having a rotatable shaft which passes through the opening.
[0002] The patent application numbered
WO2014016114 A2 discloses a sealing element suitable for using in cooking devices, especially counter-top
cooktops, preventing the liquids spilled onto the panel from leaking through the aperture
by providing leak-proofing of the apertures wherein the knobs placed onto the panel
are mounted and comprising a gasket seated all around the edge of the aperture on
the upper surface of the panel and produced from elastic material, and also relates
to the cooking device wherein the sealing element is used.
[0003] The invention provides an additional improvement, an additional advantage or an alternative
to the prior art.
[0004] The purpose of the present invention is to prevent liquid leakage from opening under
the control knobs to inside the gas cooking device without using any kind of sealing
member.
[0005] The invention, to achieve the abovementioned purpose, a gas cooking device comprising
a cooktop plate, at least one opening provided on the cooktop plate, a gas control
member positioned below the cooktop plate, having a rotatable shaft which passes through
the opening. In the invention, the cooktop plate has an embossed form defined along
a periphery of the opening in such a way that it is providing a barrier between the
opening and the cooktop plate. Thus, penetrating of the liquid from the opening under
the control knob to inside the gas cooking device, is prevented without using any
kind of sealing member such as a gasket. Since, using of the sealing member under
the control knob is eliminated and therefore, the possible undesirable dislocations
of the sealing member is prevented, the sealing feature under the control knob is
permanently provided. Moreover, the possible short circuits in the electric system
inside the gas cooking device due to the liquid leakage from the opening under the
control knob, is eliminated.
[0006] Here, the gas cooking device can be a gas cooktop or a gas oven comprising a cooktop
plate. Here, the gas control member can be any kind of gas tap having a rotatable
shaft.
[0007] In a possible embodiment of the invention, the cooktop plate has a base whereby the
embossed form is in the form of an elevation with respect to said base. Thus, penetrating
of the liquids from the opening under the control knob to inside the gas cooking device,
is prevented.
[0008] In a possible embodiment of the invention, the embossed form is configured as a frusto-conical
form. Thus, the sealing feature under the control knob is provided without using any
kind of sealing member.
[0009] In a possible embodiment of the invention, the embossed form has an aperture on a
side away from the base, the rotatable shaft is provided in an accessible manner through
the aperture and a flat surface is provided along a periphery of said aperture. Thus,
the shaft connection housing can pass through the aperture in order to connect to
the rotatable shaft. Moreover, sharp edges which can be unsafe for the users, is eliminated
by forming the periphery of the aperture as the flat surface.
[0010] In a possible embodiment of the invention, a control knob has a shaft connection
housing extending in the direction of a rotation axis of the rotatable shaft and the
shaft connection housing connects to a free end of the rotatable shaft in such a way
that it is rotating with the rotatable shaft jointly. Thus, the rotational movement
and/or axial movement of the control knob can be transmitted to the rotatable shaft.
[0011] In a possible embodiment of the invention, the control knob has a shell surrounding
the rotation axis whereby a knob housing is provided on a side facing the embossed
form. Thus, the movement of the control knob in the direction of the rotation axis
is not restricted.
[0012] In a possible embodiment of the invention, an axial movement distance is provided
between the control knob and the base for an axial movement of the control knob in
a direction towards the base, when the control knob is at a position away from the
base. Thus, the distance for the axial movement of the control knob, is provided.
[0013] Further advantages may become apparent from the following description of the figure(s).
In the figure, an exemplary embodiment of the invention is shown. The figure, the
description and the claims contain a plurality of features in combination. The person
having ordinary skill in the art will purposefully also consider the features separately
and will find further expedient combinations.
[0014] If there is more than one specimen of a certain object, only one of these is given
a reference numeral in the figures and in the description. The description of this
specimen maybe correspondingly transferred to the other specimens of the object.
[0015] The figures, whose brief explanations are herewith provided, are solely intended
for providing a better understanding of the present invention and are as such not
intended to define the scope of protection or the context in which said scope is to
be interpreted in the absence of the description.
Fig.1 represents an isometric view of the exemplary gas cooktop.
Fig. 2 represents an isometric view of the cooktop plate of the gas cooktop.
Fig. 3 represents an isometric view of a section of the gas cooktop where a plurality
of control knob and embossed form is provided.
Fig. 4 represents a section view of the gas cooktop where the cooktop plate, the gas
control member and the control knob is provided.
Fig. 5 represents a side view of the cooktop plate where the embossed form is provided.
[0016] As can be seen in Fig. 1, the subject matter gas cooking device (1), i.e. a gas cooktop,
comprising a cooktop plate (8) having a width and depth. Said gas cooking device (1)
further comprises a plurality of gas burners (15) and control knobs (5) for controlling
a burning operation of the gas burners (15). In the present invention, as can be seen
in Fig. 2, the cooktop plate (8) has an embossed form (11) configured under the control
knob (5).
[0017] In Fig. 3, an isometric view of a section of the gas cooktop where a plurality of
control knob (5) and embossed form (11) is provided, is given. There is a gas control
member (2) positioned below the cooktop plate (8) (see in Fig. 4). Said gas control
member (2) has a rotatable shaft (3) which passes through an opening (10) of the cooktop
plate (8). The rotatable shaft (3) connects to the control knob (5). In Fig. 3, one
of the control knob (5) is seperated from the rotatable shaft (3) in order to be shown
a section of the cooktop plate (8) where the embossed form (11) is provided. In a
possible embodiment of the invention, the cooktop plate (8) has an embossed form (11)
defined along a periphery of the opening (10) in such a way that it is providing a
barrier between the opening (10) and a base (9) of the cooktop plate (8). The embossed
form (11) has an aperture (14) on a side away from the base (9). As can be seen in
Fig. 3, the rotatable shaft (3) is provided in an accessible manner through the aperture
(14). Said rotatable shaft (3) which is rotatable around a rotation axis (A), extends
in a direction of said rotation axis (A). Furthermore, the control knob (5) has a
shaft connection housing (6) extending in the direction of the rotation axis (A).
[0018] In Fig. 4, a section view of the gas cooktop where the cooktop plate (8), the gas
control member (2) and the control knob (5) are provided, is given. The gas control
member (2) having the rotatable shaft (3) is positioned below the cooktop plate (8).
Said rotatable shaft (3) of the gas control member (2) extends in the direction of
said rotation axis (A) in a manner passing through the opening (10). In a possible
embodiment, the embossed form (11) is configured along the periphery of the opening
(10). In more details, the embossed form (11) is in the form of an elevation with
respect to the base (9) of the cooktop plate (8). Preferably, said embossed form (11)
is configured as a frusto-conical form. As can be seen in Fig. 5, the embossed form
(11) has a barrier section (12) providing a barrier between the opening (10) and the
base (9) of the cooktop plate (8). Said embossed form (11) has an aperture (14) on
a side away from the base (9). The rotatable shaft (3) is provided in an accessible
manner through the aperture (14). There is a flat surface (13) provided along a periphery
of said aperture (14) in order to eliminate the sharp edges of the embossed form (11)
which can be unsafe for the users. The shaft connection housing (6) passes through
the aperture (14) and connects to a free end (4) of the rotatable shaft (3) in such
a way that it is rotating with the rotatable shaft (3) jointly. The control knob (5)
has a shell (16) surrounding the rotation axis (A) whereby a knob housing (7) is provided
on a side facing the embossed form (11). In a possible embodiment, an axial movement
distance (L) is provided between the control knob (5) and the base (9) for an axial
movement of the control knob (5) in a direction towards the base (9), when the control
knob (5) is at a position away from the base (9).
[0019] In a possible embodiment of the invention, the cooktop plate (8) is made of a metal
material Said metal material can be any kind of metal which can be shaped by a deep
drawing process. In a possible embodiment, the embossed form (11) is formed in a one
piece manner with the cooktop plate (8).
[0020] In the light of the structural details and figures of the possible embodiment given
above, the usage and functionalizing of the invention is as follows; there is not
any burning operation at the related gas burner (15), when the related control knob
(5) is at a first position where the control knob (5) has not rotated around the rotation
axis (A). The control knob (5) transitions from the first position to an second position,
when the control knob (5) is moved axially towards the cooktop plate (8) ve rotated
around the rotation axis (A). The control knob (5) covers the embossed form (11) by
means of the shell (16) and the knob housing (7), when the control knob () is axially
moved towards the cooktop plate (8). The axial and rotational movements of the control
knob (5) is directly transmitted to the rotatable shaft (3). The gas control member
(2) directs an amount of gas according to the rotation level of the control knob (5)
and the rotatable shaft (3), to the related gas burner (15) for feeding the burning
of the cooking operation. In case of an overflow onto the cooktop plate (8) during
the cooking operation, the barrier section (12) prevents penetrating of the liquids
from the opening (10) under the control knob (5) to inside the gas cooking device
(1).
REFERENCE LIST
[0021]
- 1
- . Gas cooking device
- 2.
- Gas control member
- 3.
- Rotatable shaft
- 4.
- Free end
- 5.
- Control knob
- 6.
- Shaft connection housing
- 7.
- Knob housing
- 8.
- Cooktop plate
- 9.
- Base
- 10.
- Opening
- 11.
- Embossed form
- 12.
- Barrier section
- 13.
- Flat surface
- 14.
- Aperture
- 15.
- Gas burner
- 16.
- Shell
- L.
- Axial movement distance
- A.
- Rotation axis
1. A gas cooking device (1) comprising a cooktop plate (8), at least one opening (10)
provided on the cooktop plate (8), a gas control member (2) positioned below the cooktop
plate (8), having a rotatable shaft (3) which passes through the opening (10), characterized in that the cooktop plate (8) has an embossed form (11) defined along a periphery of the
opening (10) in such a way that it is providing a barrier between the opening (10)
and the cooktop plate (8).
2. A gas cooking device (1) according to Claim 1, wherein the cooktop plate (8) has a
base (9) whereby the embossed form (11) is in the form of an elevation with respect
to said base (9).
3. A gas cooking device (1) according to Claim 1 or 2, wherein the embossed form (11)
is configured as a frusto-conical form.
4. A gas cooking device (1) according to Claim 2 or 3, wherein the embossed form (11)
has an aperture (14) on a side away from the base (9), wherein the rotatable shaft
(3) is provided in an accessible manner through the aperture (14) and wherein a flat
surface (13) is provided along a periphery of said aperture (14).
5. A gas cooking device (1) according to any one of the preceding claims, wherein a control
knob (5) has a shaft connection housing (6) extending in the direction of a rotation
axis (A) of the rotatable shaft (3) and wherein the shaft connection housing (6) connects
to a free end (4) of the rotatable shaft (3) in such a way that it is rotating with
the rotatable shaft (3) jointly.
6. A gas cooking device (1) according to Claim 5, wherein the control knob (5) has a
shell (16) surrounding the rotation axis (A) whereby a knob housing (7) is provided
on a side facing the embossed form (11).
7. A gas cooking device (1) according to Claim 5 or 6, wherein an axial movement distance
(L) is provided between the control knob (5) and the base (9) for an axial movement
of the control knob (5) in a direction towards the base (9), when the control knob
(5) is at a position away from the base (9).