KR101171313B1 - Heater supporter for cooking apparatus and cooking apparatus using the same - Google Patents

Abstract

The present invention relates to a heater supporter for supporting a heating unit of a heater used in a cooking appliance and a cooking appliance using the same. The heater supporter according to the present invention is provided with a grip for supporting the heat generating portion of the heater, a separation member is provided between the grip and the heat generating portion of the heater to ensure a predetermined space between the grip and the heat generating portion of the heater. Since the heat of the heater is discharged through the space by the spacer member, the grip of the heater supporter is oxidized and carbonized, and the problem that the heat generating portion of the heater is damaged by local overheating is effectively prevented.

Cooking appliances, cooktops, heaters, heating elements, heater supporters, grips, spacers, elastic parts, hooks

Description

Heater supporter for cooking apparatus and cooking apparatus using the same}

The present invention relates to a heater supporter for supporting a heating unit of a heater used in a cooking appliance and a cooking appliance using the same.

In general, various cooking appliances include microwave ovens, ovens, and cooktops. The microwave oven heats the food by irradiating the microwave generated by the magnetron in the sealed cooking chamber to vibrate the water molecules of the food stored in the cooking chamber, and the oven is stored in the cooking chamber by heating the sealed cooking chamber using a heater. The cooked food. The cooktop generally heats the food contained in the bowl by heating the bowl placed on its upper surface using a burner.

Among the above cooking appliances, the cooktop can cook various kinds of foods, and thus, the cooktop is generally built-in to a kitchen counter and used as a main cooking appliance. The microwave oven and the oven are installed in a cupboard or a kitchen counter. It is used as an auxiliary cooking appliance.

On the other hand, gas or electricity is generally used as a heat source of the burner installed in the cooktop. In the case of gas cooktops using gas as a heat source, the heat loss due to the flame is large, so the thermal efficiency is reduced. Recently, an electric cooktop employing an electric radiant heater is used to provide higher thermal efficiency than the gas cooktop. It is increasing.

The electric cooktop generally includes a glass plate on which a bowl is placed, a heater operated by electricity disposed below the glass plate, and a reflecting plate disposed to surround the heater to reflect the heat of the heater. do. Recently, lamp heaters such as halogen heaters are also used as the heaters. The heating parts of the lamp heaters are generally bent in a circular or horseshoe shape (Ω) so as to evenly heat the bowl placed on the glass plate.

Since the heating portion of the heater must be kept spaced apart from the reflecting plate by a predetermined distance, the cooktop may be further provided with a heater supporter for supporting the heating portion of the heater. 1 and 2 show a conventional heater supporter. Hereinafter, the heater supporter will be described in more detail with reference to these drawings.

Referring to these drawings, the conventional heater supporter 30 is a grip 31 to completely wrap the heating portion of the heater 10 as shown in Figure 1 or partially wrapped as shown in Figure 2, the grip 31 Is extended between the extension portion 32 straight down from the bent portion 33 bent at a substantially right angle in the extension portion 32, the bending portion 33 and the reflecting plate 20 of the cooking appliance A spacer 35, a bolt 35 penetrating through the bent portion 33, the spacer 34, and the reflector 20, and the bolt 35 are inserted into the heater supporter 30 to reflect the plate. And a nut 36 fixed to the 20.

As described above, the conventional heater supporter surrounds the grip while making surface contact with the heat generating portion of the heater. Therefore, a portion of the heating portion wrapped by the grip of the heater supporter is raised in temperature higher than other portions. As a result, the grip of the heater supporter is oxidized and carbonized and damaged, or the heat generating part of the heater is damaged by overheating.

In addition, the conventional heater supporter cannot effectively prevent the shock from being transmitted to the heat generating portion of the heater when an impact is applied to the cooktop. Therefore, there is a problem that the heat generating portion in the form of a lamp is easily broken by the impact transmitted through the grip.

Furthermore, the conventional heater supporter has a structure in which several parts are assembled as described above. Therefore, it takes a long time to assemble the parts there is a problem that decreases the productivity of the cooking appliance.

The present invention has been made to solve the above problems, an object of the present invention is to improve the structure of the heater supporter to effectively prevent the heater supporter and the heat generating portion of the heater from being damaged by the high temperature.

Another object of the present invention is to improve the structure of the heater supporter to effectively prevent the heating part of the heater from being damaged by the impact applied to the cooking appliance.

Another object of the present invention is to improve the structure of the heater supporter to reduce the assembly time to improve the productivity of the cooking appliance.

In one embodiment of the present invention for achieving the above object, a grip for supporting a heat generating portion of the heater; And at least one spacer member positioned between the grip and the heat generating unit to form a space between the heat generating unit and the grip.

The grip may be formed to surround at least a portion of the heat generating part, and the spacer may be disposed along a circumference of the heat generating part.

The spacer member may include at least one protrusion protruding from the grip toward the heat generating unit. In this case, the protrusion may be formed by embossing so that a part of the grip protrudes inward.

The heater supporter may further include an elastic part to elastically support the grip. The elastic portion may include an elastic bending portion extending from the grip.

The heater supporter may further include a hook inserted into the cooking appliance to fix the grip to the cooking appliance.

The supporter may be integrally formed by bending an elastic metal strip.

In another aspect of the present invention for achieving the above object, a grip for supporting a heat generating portion of the heater; At least one spacer positioned between the grip and the heat generating portion to form a space between the heat generating portion and the grip; An elastic first bent portion extending from the grip; A first hook extending from the bent portion; A second hook symmetrical with said first hook and bent to face said first hook after extending from said first hook; And it provides a heater supporter for a cooking appliance which extends from the second hook, comprising a second elastic bending portion disposed to face the first bending portion symmetrically.

The grip, the first and second bent portions, and the first and second hooks may be integrally formed by bending one elastic metal band.

In still another aspect of the present invention for achieving the above object, a grip for supporting a heat generating portion of the heater; At least one spacer positioned between the grip and the heat generating portion to form a space between the heat generating portion and the grip; And it provides a cooking device comprising a reflecting plate for reflecting the heat of the heating portion.

According to the present invention, the spacer member secures a predetermined space between the grip of the heater supporter and the heat generating portion of the heater, whereby the grip of the heater supporter is oxidized and carbonized and damaged or the heat generating portion of the heater is damaged by local overheating. The problem is effectively prevented.

According to the present invention, the heater supporter is also provided with an elastic portion capable of absorbing external shocks, whereby it is possible to effectively prevent the heating portion of the heater from being broken even when the impact is applied to the cooking apparatus.

According to the present invention, the heater supporter is fixed to the reflecting plate or the like by a hook rather than a fastening member such as a screw or a bolt. Therefore, not only the assembly is easy but also the time required for assembling the parts is improved, which improves the productivity of the cooking appliance.

Furthermore, according to the present invention, the heater supporter may be formed by bending one metal band. Thereby, the number of parts is considerably reduced and assembly is easy, thereby improving the productivity of the cooking appliance and lowering the production cost.

DETAILED DESCRIPTION Hereinafter, embodiments of the present invention in which the above object can be specifically realized are described with reference to the accompanying drawings. In describing the embodiments, the same names and symbols are used for the same components, and additional description thereof will be omitted below.

3 is a perspective view showing an embodiment of a cooking appliance according to the present invention. The cooking apparatus according to the present invention includes a cooktop C provided with a plurality of burners 100a, 100b, 100c, and 100d. In addition, the cooking appliance may further include an oven (O) opened and closed by a door (d) disposed below the cooktop (C). The oven (O) may be provided with a magnetron for irradiating microwaves into the cooking chamber of the oven (O) as well as a heater operated by electricity. The cooking appliance according to the present invention may be provided built-in to the kitchen counter for the convenience of the user. For reference, reference numeral P of FIG. 1 is a control panel including a control unit for controlling a cooking appliance.

The glass plate 110 is provided on the upper surface of the cooktop (C). The glass plate 110 may be made of ceramic, and may include an indication such as a leader line for informing a user to put food to be cooked at an accurate location, and have transparency so that the user may see the bottom side. It can be formed to be.

A plurality of burners 100a, 100b, 100c, and 100d are provided below the glass plate 110. The burners 100a, 100b, 100c, and 100d may be formed to have different sizes so that foods may be cooked using various sized bowls, as shown in FIG. It may be formed long to be heated. The burners 100a, 100b, 100c, and 100d may have different sizes and shapes, but their structures are substantially the same.

4 and 5, the burner according to the present invention is well illustrated. Hereinafter, the structure of the burner according to the present invention will be described in detail with reference to these drawings. For reference, FIG. 4 is a perspective view illustrating an embodiment of a burner provided in the cooking appliance of FIG. 3, and FIG. 5 is an exploded perspective view of the burner of FIG. 4. For convenience of description, hereinafter, the burners 100a, 100b, 100c, and 100d will be referred to collectively as the burner 100.

As shown in FIGS. 4 and 5, the burner 100 is provided with a heater 120 that generates electricity by electricity. The heater 120 may be formed of, for example, a carbon heater. In more detail, the carbon heater has a structure in which a resistance heating element made of carbon is positioned at the center of the hermetically sealed quartz tube, and both ends of the carbon heater are electrically connected to the external electrode by a connection part such as a metal piece. The inside of the quartz tube is vacuum or filled with an inert gas to prevent the oxidation of the resistance heating element made of carbon at high temperature. The heat generating part of the heater 120 configured as described above, that is, the quartz tube part sealing the resistance heating element is bent in a circular or horseshoe shape (Ω) and disposed below the glass plate 110.

A reflector plate 130 is disposed below the heater 120 to reflect light and heat generated from the heater 120 toward the glass plate 110. The reflector 130 is formed of, for example, aluminum, and may be specially processed to provide high heat resistance and heat reflection performance.

A base plate 140 surrounding the bottom surface and the side surface of the reflector 130 may be provided below the reflector 130 as shown in FIGS. 4 and 5. The base plate 140 also serves to prevent the heat transmitted from the reflector plate 130 from being transferred to other parts of the cooking apparatus together with the case of the burner 100.

Both ends of the heater 120 may be exposed to the outside after passing through the reflector plate 130 and the base plate 140 as shown in FIGS. 4 and 5 so as to be connected to an external electrical terminal. . In addition, a thermostat 160 for preventing overheating of the heater 120 may be attached to a side of the base plate 140. The operation bar 161 of the thermostat 160 may be installed to penetrate the reflective plate 130 and then be positioned inside the reflective plate 130 as shown in FIG. 4. Therefore, when the heater 120 is overheated, the operation bar 161 operates the thermostat 160, whereby the supply of electricity to the heater 120 is stopped, thereby preventing the heater 120 from being damaged due to overheating. Can be effectively prevented.

On the other hand, the burner 100 is provided with a heater supporter 150 according to the present invention as shown in Figs. The heater supporter 150 prevents the heating portion of the heater 120 from sagging by supporting the heating portion of the heater 120. 6 to 8 illustrate an embodiment of the heater supporter 150. Hereinafter, the heater supporter 150 according to the present invention will be described in detail with reference to these drawings.

Figure 6 is a perspective view showing an embodiment of a heater supporter according to the present invention provided in the burner 100, Figure 7 is a partial cross-sectional view showing the moisture that the heater supporter supports the heat generating portion of the heater, Figure 8 A partial perspective view showing another embodiment of the elastic portion of the heater supporter.

Referring to FIG. 6, the heater supporter 150 includes a grip 151 and a spacer 153. The grip 151 supports the heat generating part of the heater 120 and is formed to surround at least a part of the heat generating part. For example, the grip 151 may be formed to surround a lower portion of the heating part of the heater 120 as shown in FIGS. 6 and 7. The heating part of the heater 120 may be inserted into the grip 151 through the open upper portion of the grip 151, and both ends of the heater 151 may be inserted into the open upper portion of the grip 151. It may be formed to be bent outward so that the heating portion of the) can be inserted smoothly.

However, the grip 151 is not limited to the example shown in FIGS. 6 and 7. As another example, the grip 151 may be formed in a circular shape as shown in FIG. 1, or may be formed in a hooked shape so that the heater 120 may be obliquely inserted from the side or the bottom as shown in FIG. 2. Could be

The spacer 153 is provided to be positioned between the grip 151 and the heat generating part so that the grip 151 is spaced apart from the heat generating part of the heater 120 by a predetermined interval. A space is formed between the heat generating parts of 120. For example, as shown in FIGS. 6 and 7, the spacer 153 may be provided along a circumference of the heat generating part of the heater 120. As such, when the spacer 153 is provided between the grip 151 and the heating unit of the heater 120, the heat of the heating unit of the heater 120 may provide a space secured by the spacer 153. Is radiated to another place, and thus, the grip 151 of the heater supporter 150 can be effectively prevented from being oxidized and carbonized due to high temperature, and the heat generating portion of the heater 120 is prevented by local overheating. It is possible to effectively prevent breakage.

The spacer 153 may include at least one protrusion protruding from the grip 151 toward the heat generating unit. As shown in FIG. 6, the protrusion may be embossed so that a part of the grip 151 protrudes into the grip 151. As described above, when the protrusions serving as the spacer 153 are formed by embossing, the number and structure of the components of the heater supporter 150 become very simple, and the assembly of the heater supporter 150 becomes very easy. There is this.

However, the spacer 153 is not limited to the above example. As another example, the spacer 153 may be formed separately from the grip 151 and may be fitted between the heating part of the heater 120 and the inner surface of the grip 151.

In the heater supporter 150 according to the present invention, the grip 151 may be elastically supported, and an elastic part 155 may be further provided to prevent breakage of the heating part of the heater 120 due to an impact. The elastic portion 155 may include a bent portion that is elastically bent to extend from the grip 151.

For example, as shown in FIG. 6, the elastic portion 155 may be inclined downwardly toward the outside of the heater supporter 150 and then bent and then downwardly inclined toward the inside of the heater supporter 150. Can be. As shown in FIG. 6, the elastic portion 155 may be formed to include a bent portion bent at an intermediate portion, or may be formed to include a bent portion several times as shown in FIG. 8. On the other hand, the elastic portion 155 may be formed integrally with the grip 151 as shown in Figure 6, for example, the grip 151 after being formed separately from the grip 151 It can be fixed to.

When the elastic part 155 is not present, the heater supporter 150 may be fixed to the burner 100 by fixing the grip 151 to the reflector plate 130 or the base plate 140 by a fastening member. have. However, when the elastic part 155 is connected to the grip 151, the heater supporter 150 is fixed to the reflective plate 130 or the base plate 140 by the fastening member. It may be fixed to the burner 100.

As the fastening member, a bolt and a nut formed separately from the heater supporter 150 may be used. In this case, the number of parts increases and the assembly of the heater supporter 150 is inconvenient. Accordingly, the present invention proposes a hook 157 that can be fixed by being inserted into an opening such as a slot as the fastening member.

For example, as shown in FIG. 6, the hook 157 has a narrow neck 157 ′ extending downward from the bottom of the elastic portion 155 and a wedge formed at the bottom of the neck 157 ′. (157 ″). The wedge 157 ″ has a wider width than the neck 157 'and has a shape that becomes narrower downward. Of course, the hook 157 may extend from the grip 151 when there is no elastic portion 155. The hook 157 configured as described above may be integrally formed with the elastic portion 155 as shown in FIG. 6, but may be connected to the elastic portion 155 after being configured separately, although not shown.

As shown in FIG. 5, the reflective plate 130 may be provided with a slot 131 into which the hook 157 is inserted and fixed. Although not illustrated, the hook 157 may be fitted to the base plate 140 or another portion of the cooking apparatus according to the present invention instead of the reflecting plate 130 to fix the heater supporter 150 to the cooking apparatus. It may be.

Meanwhile, the heater supporter 150, in which the elastic part 155 and the hook 157 may be further provided on the grip 151 and the spacer 153, is elastic as shown in FIG. 9. The metal strip may be bent and integrally formed. This will be described in more detail as follows.

One end of the elastic metal strip is bent round to form part of the grip 151 as shown in FIG. When the grip 151 is formed in a circular shape as shown in FIG. 1 or in a hook shape as shown in FIG. 2, one end of the metal strip may be bent in a circular or hook shape, although not shown. do.

As described above, the grip 151 formed to be bent at one end of the metal strip is provided with a plurality of protrusion members 153 having a protrusion shape. In addition, the grip 151 extends the elastic first bent portion 155a. As shown in FIG. 9, the first bent portion 155a may be bent such that an intermediate portion protrudes outward of the heater supporter 150.

A first hook 157a extends downward from a lower end of the first bent portion 155a, and a second hook having a shape symmetrical with the first hook 157a at a lower end of the first hook 157a. 157b) is extended. The second hook 157b extends from the first hook 157a and then bends to face the first hook 157a as shown in FIG. 9. Thus, the first hook 157a and the second hook 157b folded to face each other form the hook 157.

In the second hook 157b, the elastic second bent portion 155b extends to face the first bent portion 155a symmetrically. The second hook 157b is disposed to face the first bent portion 155a and is symmetric when the second hook 157b is bent to face the first hook 157a. As described above, the first bent part 155a and the second bent part 155b disposed symmetrically form the elastic part 155.

When the grip 151 is formed to be open upward as shown in FIG. 6, the remaining portion of the grip 151 may be formed in the second bent portion 155b. The remaining portion of the grip 151 together with a portion of the grip 151 described above forms an intact grip 151.

On the other hand, when the heater supporter 150 is formed by bending one long metal strip, portions of the metal strip which are in contact with each other, for example, a portion between the grip 151 and the elastic portion 155 and the The hook 157 portions may be fixed so as not to spread apart from each other by a method such as welding.

When the heater supporter 150 is formed by bending one metal band as described above, the heater supporter 150 can be manufactured at a very low cost and can be easily assembled to reduce the production cost of the cooking appliance. It has the advantage of being able to lower productivity and improve productivity.

On the other hand, when the user puts a bowl containing food on the glass plate 110 of the cooktop (C) to operate the control panel (P), electricity is supplied to the heater 120 of the burner (100). Then, the heat generating portion of the heater 120 emits light and heat, and the light and heat emitted from the heater 120 are reflected by the reflector 130 to the bowl on the glass plate 110. The bowl is heated by the light and heat reflected by the reflector 130, and as the bowl is heated, food in the bowl is also heated and cooked.

When an impact is applied to the cooking apparatus according to the present invention, the elastic portion 155 of the heater supporter 150 absorbs the impact and effectively prevents the impact from being transmitted to the heat generating portion of the heater 120. As a result, the heat generating part of the heater 120 is effectively prevented from being damaged by the impact.

Although several embodiments have been described above, it will be apparent to those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope thereof. Accordingly, the above-described embodiments are to be considered illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents are intended to be included within the scope of the present invention.

1 is a schematic cross-sectional view showing a conventional heater supporter mounted on a reflector;

2 is a cross-sectional view showing another embodiment of a grip of a conventional heater supporter;

3 is a perspective view showing an embodiment of a cooking appliance according to the present invention;

4 is a perspective view illustrating an embodiment of a burner provided in the cooking appliance of FIG. 3;

5 is an exploded perspective view of the burner of FIG. 4;

6 is a perspective view showing an embodiment of a heater supporter according to the present invention provided in the burners of FIGS. 4 and 5;

FIG. 7 is a partial cross-sectional view of the heater supporter of FIG. 6 showing moisturizing for supporting a heating part of the heater; FIG.

8 is a partial perspective view showing another embodiment of the elastic part of the heater supporter of FIG. 6; And

9 is a perspective view illustrating a state in which the heater supporter of FIG. 6 is unfolded.

Explanation of symbols on the main parts of the drawings

C: cooktop O: oven

d: door P: control panel

100: burner 110: glass plate

120: heater 130: reflector

140: base plate 150: heater supporter

151: grip 153: spacing member

155: elastic portion 157: hook

Claims (10)

A grip for supporting a heating part of the heater; A separation member provided on an inner circumferential surface of the grip to prevent the heating part of the heater from contacting the grip by separating the grip and the heating part of the heater; A bent portion that is bent to elastically support the grip is provided, and supporting a lower portion of the grip and extending downward to support the grip, The bent portion, A first bent portion bent by a predetermined angle toward one direction; And a second bent part spaced apart from the first bent part by a predetermined distance and symmetrically disposed with the first bent part. The method of claim 1, The spacer is provided to protrude in the direction of the heating portion of the heater from the inner peripheral surface of the grip heater supporter, characterized in that arranged to surround the heating portion 3. The method of claim 2, The spacer member is provided with a plurality, the heater supporter characterized in that it is arranged in a state spaced apart from each other on the inner circumferential surface of the grip to form a predetermined separation space between the inner circumferential surface of the grip and the heating portion. The method of claim 1, The heater supporter further comprises a hook portion provided at the lower end of the support portion and inserted into the cooking appliance. delete delete A reflection plate provided inside the main body; A heating unit of the heater provided inside the reflector; Is installed on the reflector and includes a heater supporter for supporting the heating portion of the heater, The heater supporter includes a grip portion in which the heat generating portion of the heater is mounted; A spacer provided to protrude on the inner circumferential surface of the grip and supporting the heating portion of the heater to prevent direct contact between the inner circumferential surface of the grip and the heating portion of the heater; A bent part is provided to elastically support the grip, and includes a support part connected to a lower part of the grip to support the grip. The bent portion, A first bent portion bent by a predetermined angle toward one direction; And a second bent part spaced apart from the first bent part by a predetermined distance and symmetrically disposed with the first bent part. The method of claim 7, wherein And a hook part provided at a lower end of the support part and inserted into the reflecting plate to fix the heater supporter to the reflecting plate. delete The method of claim 7, wherein The spacer member is provided with a plurality on the inner peripheral surface of the grip is spaced apart from each other to form a predetermined separation space between the inner peripheral surface of the grip and the outer peripheral surface of the heater heating unit.

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