RU2551603C2 - Grid for dishes and cooking place of gas stove - Google Patents

Abstract

FIELD: personal use articles.

SUBSTANCE: group of inventions relates to gas stoves, namely to a grid for dishes for gas burner, as well as to the cooking place of the gas stove. The grid (1) for dishes for gas burner (6) comprises a frame in the form of a base (SF) for placement of the cooking place in the recess, or on it, and several lugs (3) projecting from the frame inwardly, the upper sides of which form a support surface (AF) for the dishes for cooking. And in at least one area (5) of the grid for dishes (1) located on the vertical segment (4) of one of the lugs (3) there is a heat-sensitive material. The cooking place (10) of the gas stove with at least one gas burner (6) and a grid for dishes (1). The gas stove with at least one cooking place (10) of the gas stove.

EFFECT: optimisation of design of grid for dishes for cooking place of the gas stove, as well as reduction of the risk of burn for users.

13 cl, 7 dwg

Description

FIELD OF THE INVENTION

This invention relates to a grate for dishes for a gas burner, as well as to the cooking space of a gas stove. The grid for dishes is located around the perimeter of the gas burner, forming a supporting surface under the dishes for cooking.

State of the art

The already known dish grilles, as a rule, have a design in the form of a frame located along the perimeter with inwardly directed legs forming the supporting surface under the cookware for cooking.

When using the cooking space of a gas stove, a gas flame heats both cooking utensils and the cooking grate itself. Before cleaning the corresponding gas stove, as well as the cooking grates, after cooking is completed, wait until the cooking grate cools down to avoid possible injuries (burns). In the case of already known dish racks, users have to at their own peril and risk assess the degree of heating of the dish racks, i.e. determine whether the grate is heated even to the temperature that poses a risk of burns when it is touched.

Disclosure of invention

With this in mind, the object of the present invention is to provide an optimized design for a cookware grate for a gas stove cooking place.

In accordance with this, a grid for dishes for a gas burner is proposed in accordance with which at least one area of the grid for dishes contains a heat-sensitive material (an element of a heat-sensitive material).

Heat-sensitive materials change their appearance depending on the current temperature. By changing the color in the event of a temperature increase, the user of the hob of a gas stove equipped with such a grate for dishes can see if the grate for dishes is heated to a temperature that poses a danger if it is touched with bare hands. The heat-sensitive material can be selected so that it will change color for the first time when the temperature of the grid for dishes is higher than the threshold value, and the second time - when the temperature of the grid for dishes is below the threshold value. As the threshold temperature, a temperature can be chosen at which there is no danger of getting a burn or other damage to human skin. Multistage color options are also possible.

In one possible embodiment of the dish grid, the heat-sensitive material is placed in a recess in the dish grid. The recess may be, for example, an opening or a cut out portion of a support segment of a foot of a dish grate. If the heat-sensitive material is embedded in a recess, for example, in the form of a plastic / color element, the grill will have an additional attractive appearance.

It is also possible that the heat-sensitive material will be fixed in the form of a removable display element in the grid for dishes or on it. An element made of heat-sensitive material can also be installed or used for retrofitting in the form of an indication element on an existing dish grid to signal to the user that the dish grid is too high.

In one embodiment, the indication element may be in the form of a clip. In this case, the clamp is mounted, for example, on the foot or the support segment of the foot of the dish grid.

In a preferred embodiment of the dish grid, the area with heat-sensitive material, when the dish grid is correctly installed, is placed on the side of the dish grid that is facing away from the gas burner.

If the area (display area, display element) is located or is located on the side facing away from the gas burner and, in particular, from the flame of the gas burner, during operation it is in the "shadow" of the flame of the gas burner. Typically, these are the places on the grid for dishes that the user touches with his hands, for example, to start cleaning it. The "shadow" of the flame is also called, as a rule, the coldest point of the grid for utensils when the gas burner is on.

In yet another embodiment of a dish grate, the thermosensitive material is thermosetting plastic. Thermosetting plastics are typically polymers with cross-linked macromolecules. Unlike thermoplastics, they do not melt and do not deform. Thermosensitive duroplasts are known in which thermosensitive segments are embedded. Even at the stage of manufacturing duroplast, which will be used, for example, as an indication element or which will be embedded in a recess in the dish grate, a special segment with heat-sensitive properties is added. Conventional heat-sensitive segments can be performed with a single or multi-stage color change, in particular in the temperature range between 0 ° C and 100 ° C.

The preferred option is when the heat-sensitive material changes color in the temperature range between 40 ° C and 70 ° C. Other temperature ranges are also possible. Typically, a temperature between 40 ° C and 60 ° C, in particular between 40 ° C and 45 ° C, is sufficient to prevent burns when in contact with material heated to the appropriate temperature.

The heat-sensitive material predominantly has a heat resistance of up to 450 ° C. In another design, the heat resistance of the heat-sensitive material is up to 400 ° C. The indicated temperature values correspond to the temperature to which the grid for dishes is heated by the flame of a gas burner.

In another developmental variant, the dish grid may include a dish grid frame as the base of the dish grid to be installed in or on the recess of the hob and, in addition, have legs protruding from the frame toward the inside. The upper sides of the legs form a supporting surface under the cooking utensils.

The area (with heat-sensitive material) is mainly located on the vertical segment of the foot. This ensures that the areas used, as a rule, to remove or remove the dish grate from the hob of the gas stove or from the recess of the hob, are characterized by the presence of a heat-sensitive material relative to their temperature properties. The user determines by changing the color in the direction of the color, indicating a safe temperature range, that the removal of the lattice in this place is not dangerous.

The aforementioned region is advantageously located on the outside of one of the legs. In addition, the hob of the gas stove is offered with at least one gas burner and grid for dishes, as described above.

In one embodiment of the hob of the gas stove, the gas hob and the grid for dishes are placed on the hob or in the recess of the hob. Lattice for dishes are arranged so that the area with thermosensitive material is visible from the workplace of the user of the cooking area of the gas stove. Due to this, when using the cooking space of the gas stove, the user can determine at any time whether the grid for dishes is heated to a temperature that is too high to touch the grid.

In the case of the proposed measures, no sources of additional energy are required to indicate the temperature of the grid for dishes through the presence of similar areas with elements of heat-sensitive materials or an indication element. It also does not require the installation of any electric or other sensors, so that in the case of gas stoves, which, as a rule, are not powered from the mains, to be able to electrically display the temperature of the grates for dishes. In addition, the color change is reversible, which ensures a constant indication of the temperature of the grid for dishes.

Additionally, a gas stove with one or more cooking places is offered, which includes the above-described grills for dishes. In this case, the gas stove can be floor-mounted with a pedestal or in the form of a built-in gas hob.

Other possible embodiments of the invention include unnamed combinations with the characteristics described above or below (see examples of embodiments). At the same time, the specialist can also add individual accents in the form of decorative or additional elements to the corresponding initial form of the lattice for dishes or a cooking place.

Other preferred enhancements and individual nuances of the invention are the subject of the dependent claims, and are also described in the following examples of the invention. In addition, the invention is described in detail by way of examples of preferred embodiments with the following figures.

Brief Description of the Drawings

Figure 1 shows a perspective view of an embodiment of a lattice for dishes.

Figure 2 shows a perspective view of an embodiment of a hob of a gas stove with a gas burner.

Figure 3 shows an axonometric image of the second embodiment of the lattice for dishes.

Figure 4 shows a perspective view of a third embodiment of a lattice for dishes.

Unless otherwise indicated, the same positions in the figures denote the same / same purpose elements.

The implementation of the invention

Figure 1 shows a perspective view of an embodiment of a lattice for dishes. In this case, the grate 1 for dishes includes a perimeter support frame 2, which forms the base (SF), with which the grate 1 for dishes is installed, as a rule, in the recess of the cooking space, on a gas stove or hob. Tabs 3 protrude from the frame 2, which includes a vertical segment 4 and which are arranged inwardly toward the frame 2. The upper sides of the tabs 3 form a supporting surface (AF) for the cookware.

In addition, figure 1 presents the area 5 of the lattice 1 for dishes, which provides for the presence of heat-sensitive material. An area 5 with heat-sensitive material is located on the outside of one of the vertical segments 4 of one of the legs 3. During operation of the gas burner inside the dish grid 1, area 5 with a heat-sensitive element is in the “shadow” of the flame. As a rule, users take the grid for dishes with their hands in these places.

The thermosensitive element changes color inversely with temperature. Therefore, the temperature range is mainly set between room temperature (approx. 20-30 ° C) and 40-70 ° C. In this temperature range, region 5, made, for example, in the form of a thermosensitive plastic element, changes its color. For example, the color changes from blue to red by a suitable selection of a combination of heat-sensitive segments in plastic. For example, the red color indicates a high temperature (> 50 ° C), indicating to the user that it is impossible to touch the grid for dishes.

In particular, such an indication of heating on the cooking grate is an advantage in the recesses of the cooking space with gas burners, since the cooking grates may become dirty during cooking and therefore must be cleaned more often. Unlike electric stoves or electric hobs with smooth glass-ceramic surfaces, the elements of the gas stove hobs cannot be cleaned so easily. To clean gas stoves, as a rule, you need to remove the grill for dishes. In order to indicate to the user a potentially dangerous heating of the grating for dishes made, for example, of metal, an area 5 with a heat-sensitive material is provided. This reduces the risk of burns or injuries due to heated dish racks.

Suitable materials for thermosensitive segments or thermosensitive elements are, in particular, thermosetting plastics, which are characterized by sufficiently high heat resistance. In the case of thermosetting plastics, we are usually talking about polymers with transversely connected macromolecules and with specially designed thermochromic segments. In this case, multistage color changes that are reversible are possible. The heat-sensitive region 5, as shown in FIG. 1, can be removable in the form of an indication element or can be integrated into a recess in the grid for dishes.

Figure 2 presents a variant of the cooking space of the gas stove with one gas burner and one grill for dishes in the form of an axonometric image. Basically, the grid 1 for dishes, installed around the perimeter of the gas burner 6, includes the same elements as shown in figure 1. On figa shows the cooking place 10 of the gas stove with the gas burner 6. In this case, the gas burner 6 has a head 7 with openings for the exit of gas, which, when burned, forms a crown of flame 8 of the gas burner. The tongues of the gas flame 8 radiate heat and heat the grate 1 for dishes, in particular, the legs 3 of the grate for dishes. In the image of FIG. 2A on the vertical segment 4 (see also FIG. 2A) of the right foot 3, an area with thermochromic material 5 is provided. The heat-sensitive material, which is shown here in shaded form, indicates by its color that the dish grid is heated and touched by hand or fingers is dangerous. Hatching indicates, for example, red, which is used as a warning.

Even when the gas burner is switched off, the cooking grate remains heated for some time. Without an indication element with a thermosensitive element, the user might touch the dish grid to remove it for cleaning purposes, not suspecting that it was excessively heated. On figv presents a gas burner 6 in the off state. Display element 5 or heat-sensitive material is still in a state in which the temperature of the dish grid 1 is shown above an acceptable threshold temperature. Only after cooling the grate for dishes 1 and, in particular, the vertical segment 4 of the foot 3, does the color change to a color used, for example, to indicate a safe temperature (blue or green). Only then can the user touch the grate with bare hands.

On figs indicated the color change of the display element 5 without hatching. In this case, the user can safely remove the grill 1 for dishes, for example, to clean the cooking space 10. On fig.2D is presented as a grill for dishes, in which the heat-sensitive material indicates a temperature, for example, below 50 ° C or mainly below 25- 45 ° C.

Figure 3 presents the second embodiment of the lattice for dishes. The image in FIG. 3 is a cutout of a dish grate 11 with a tab 3, a vertical segment 4 of which is connected to a frame 2 of a dish grate. In the vertical segment 4, a recess 12 is provided in the form of an opening. The hole may be, for example, a round or cupped hole with the possibility of installing the display element directly in the grid 11 for dishes. In this case, the hole can completely pass through the grill 11 for dishes, due to which it becomes possible to install, for example, a cylindrical pin made of thermosetting plastic with heat-sensitive segments as an indication element. For the user, this display point will be visible on the vertical segment 4 of the grid 11 for dishes.

Figure 4 presents the third embodiment of the lattice for dishes. The dish grate 13, in turn, has a wedge-shaped recess in the region 15 on the vertical segment 4 of the foot 3. In this recess, a suitably molded plastic part 14 can be installed as an indication element.

Alternatively, the indication element 14 can also be mounted as a clamp on the vertical segment 4 of the dish rack. In this case, a recess is not required. In the case of using such a clamp, there is another advantage, which consists in the possibility of retrofitting with this display element 14 already used dish racks in order to increase the safety of users. In figure 4, the arrow P indicates how the indication element 14 is removed from the grid for dishes.

Using the proposed dish grid with an area including a heat-sensitive material, it becomes possible to reliably determine a safe temperature for users based on a color change in the temperature range, which can be predefined by selecting the appropriate combination of heat-sensitive segments. Thus, in particular, during the operation of gas stoves equipped with appropriate grates for dishes, increased safety is ensured, since the user by the color of the grating for the dishes, more precisely, by the color of the area with an element of heat-sensitive material located on the grating for the dishes or integrated into her, will be able to determine whether touching the bars with his hands is not dangerous. Thus, gas stoves equipped with similar dish grilles become optimally safe and comfortable to care for.

LIST OF DESIGNATIONS

1 Dish rack

2 frame

3 foot

4 foot segment

5 Area

6 gas burner

7 burner head

8 burner flame

9 user

10 gas stove hob

11 grid for dishes

12 hole

13 Dish rack

14A Indication element

14V Clamp

15 Area

AF support surface

SF Base

P Direction of removal.

Claims (13)

1. Lattice (1) for dishes for a gas burner (6), containing a frame in the form of a base (SF) for installation in the recess of the cooking place, or on it, and several legs protruding from the inside of the frame (3), the upper sides of which form a support surface (AF) under the cookware, and in at least one area (5) of the cookware grill (1) located on the vertical segment (4) of one of the legs (3), there is a heat-sensitive material. 2. The lattice (1) for dishes according to claim 1, characterized in that the heat-sensitive material is in a recess in the vertical segment (4) of one of the legs (3). 3. The lattice (1) for dishes according to claim 1 or 2, characterized in that the heat-sensitive material is fixed in the form of a removable display element (14) in the vertical segment (4) of one of the legs (3) or on it. 4. The lattice (1) for dishes according to claim 3, characterized in that the indication element (14B) is made in the form of a clip. 5. The lattice (11) for dishes according to claim 1, characterized in that the heat-sensitive material is fixed in the hole (12) in the vertical segment (4) of one of the legs (3). 6. The lattice (1) for dishes according to claim 1, characterized in that the area (5), provided that the lattice (1) for the dishes is installed correctly, is placed on the side of the vertical segment (4) of one of the legs (3), which is directed to side of the gas burner (6). 7. The lattice (1) for utensils according to claim 1, characterized in that the heat-sensitive material is a thermosetting plastic. 8. The lattice (1) for dishes according to claim 1, characterized in that the heat-sensitive material changes color in the temperature range between 40 ° C and 70 ° C. 9. The lattice (1) for dishes according to claim 1, characterized in that the heat resistance of the heat-sensitive material is at least 450 ° C. 10. The lattice (1) for dishes according to claim 1, characterized in that the region (5) is located on the outside of one of the legs (3). 11. Cooking place (10) of the gas stove with at least one gas burner (6) and the grid for dishes (1) according to one of paragraphs. 1-10. 12. The cooking space (10) of the gas stove according to claim 11, characterized in that the gas burner (6) and the cooking grate (1) are placed on the hob or in the recess of the cooking space and the cooking grate (1) is thus that the indicated area (5) with heat-sensitive material is visible from the workplace of the user of the cooking place (10) of the gas stove. 13. Gas stove with at least one cooking place (10) of the gas stove according to claim 11 or 12.

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