KR20060082256A - A fixing structure of lower heater for electric oven - Google Patents

Abstract

The present invention relates to a lower heater fixing structure of an electric oven in which a heater fixing unit for supporting and fixing the lower heater on one side of the lower heater chamber for accommodating the lower heater is formed.

The lower heater fixing structure of the electric oven according to the present invention includes a lower heater (350) provided at a lower portion of the oven cavity (320), which is a space where food is cooked, and dissipating heat applied to a heat source; A lower heater chamber 380 formed below the oven cavity 320 to accommodate the lower heater 350; Formed on one side of the lower heater chamber (380), comprising a heater fixing portion (384) for supporting and fixing the lower heater (350); The heater fixing portion 384 is formed in the center of the lower surface of the lower heater chamber 380, the central forming portion (384 ') for supporting the central portion of the lower heater (350); It is formed at both ends of the lower surface of the lower heater chamber 380, and comprises a side forming portion (384 ") for supporting both sides of the lower heater 350; the central forming portion (384 ') and the side forming portion ( 384 "), the center slit end 384'a and the side slit end 384" a which are fixed so as to prevent the flow of the lower heater 350 are formed, respectively. According to such a structure, The cost is reduced and the lower heater is easy to install.

Electric oven, oven cavity, lower heater, lower heater chamber, forming part, slit end

Description

A fixing structure of Lower heater for Electric oven}

1 is a perspective view showing a general electric oven according to the prior art.

Figure 2 is a partial perspective view showing the inside of the oven cavity in the oven door of the electric oven according to the prior art open state.

Figure 3 is a perspective view of the lower heater chamber showing a state in which the lower heater according to the prior art is installed.

4 is a perspective view showing an electric oven employing a preferred embodiment of the present invention.

5 is a perspective view showing an open state of the oven door of the electric oven employing a preferred embodiment of the present invention.

Figure 6 is a perspective view of the lower heater chamber showing a state in which the lower heater of the electric oven is installed in accordance with an embodiment of the present invention.

7 is a side cross-sectional view of a lower heater chamber in which a lower heater of an electric oven is installed according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: top burner unit 110: top plate

120: burner 200: control unit                 

210: display 220: operation knob

300: oven 310: oven door

312: door handle 314: front view window

320: oven cavity 340: U (U) plate

342: groove 342a: groove groove

350: lower heater 352: power connection

360: rear plate 370: front plate

380: lower heater chamber 382: heater connector

384: heater fixing section 384 ': central forming unit

384'a: Center slit end 384 ": Side forming part

384 "a: Side slit end 390: Gasket

400: drawer 410: drawer handle

510: inlet 520: convection cover

600: oven rack 620: rack handle

The present invention relates to an electric oven, and more particularly, to a lower heater fixing structure of an electric oven in which a heater fixing part for supporting and fixing a lower heater on one side of a lower heater chamber for receiving a lower heater is formed.                         

In general, the oven range is an oven that cooks food to be cooked using a high temperature heat in a confined space and a food to be cooked in a container, placed inside, and heated directly to cook food. Range is one kitchen appliance integrated by being combined, the oven (Oven) is a kitchen appliance that is not combined with the range (Range). Such an oven is divided into a gas oven and an electric oven according to the type of heat source.

The gas oven heats food with flames ignited in a plurality of burners using gas as a heat source, and the electric oven heats food with heat emitted from a heater using electricity as a heat source. That is, a gas oven is a cooking apparatus for cooking food using conduction heat and convection heat using gas as a heat source, and an electric oven is a cooking apparatus for cooking food using radiant heat, convection heat and conduction heat using electricity as a heat source.

In addition, the electric oven is heating the outside and the inside of the food to be cooked at the same time faster than the gas oven, the cooking speed is high, the thermal efficiency and safety is increasing its use.

1 is a perspective view showing a general electric oven according to the prior art. According to this, the electric oven is cooking food by the top burner unit 10 for heating and cooking the container containing the food, the control unit 20 for operating the operation of the electric oven, and the tropical flow of the closed space The oven unit 30, and the drawer 40 for warming the cooked food or keep the cooked food is combined is configured integrally.

The top burner part 10 is formed at the upper portion of the electric oven configured as described above. The top surface of the top burner part 10 is shielded by the top plate 12 formed of a ceramic material, and a plurality of burners 14 are provided below the top plate 12 to dissipate heat by using electricity as a heat source. do.

The control unit 20 is formed below the top burner unit 10. The control unit 20 is a part for manipulating the operation of the electric oven range, the front left side is formed with a display 22 for displaying the operation state of the electric oven, cooking time, cooking temperature, etc., the right side of the display 22 A plurality of operation knobs 24 are provided for the user to easily operate the operation of the electric oven.

The oven unit 30 is installed below the control unit 20. The oven unit 30 is a portion for heating and cooking food in an enclosed space using heat of a heater that emits heat as electricity as a heat source. The front of the oven unit 30 is provided with an oven door 31 for selectively opening and closing the oven unit 30, the upper surface of the oven door 31 is gripped when the user opens and closes the oven door 31 The door handle 32 is formed to protrude.

In addition, a substantially front portion of the oven door 31 is formed with a front view window 33 that is transparently formed so that the user can check the cooking state of the food cooked in the oven unit 30 from the outside.

The drawer part 40 is installed below the oven part 30. The drawer unit 40 may warm the cooked food or keep it warm, and take charge of simple cooking. The drawer part 40 is formed in the shape of a hexahedron having an upper surface opened, and the drawer handle 42 is recessed to the inside so that the user grips when the user wants to use the drawer part 40. .

Figure 2 is a partial perspective view showing the inside of the oven cavity in the oven door of the conventional electric oven open state. As shown in the drawing, an oven cavity 34, which is a space where food is cooked, is formed in the oven unit 30.

The oven cavity 34 includes a lower plate 36 forming a lower surface, a rear plate 37 forming a rear surface, a side plate 38 forming both sides, and an upper plate forming an upper surface (not shown). Is configured to be formed in the inner space of the oven unit 30.

A lower heater 35 is provided below the lower plate 36 to dissipate heat into the oven cavity 34 using the applied electricity to be described below as a heat source, and the lower heater above the upper plate. An upper heater (not shown) that performs the same function as 35 is provided.

In addition, a groove 38a is formed in the side plate 38 to protrude into the oven cavity 34. The groove 38a serves to support the oven rack 60 to be described below, and is formed by forming a plurality of layers on the side plates 38 formed to the left and right.

The rear plate 37 is formed with a convection chamber (not shown) for circulating the internal air of the oven unit 30, a convection motor (not shown) for generating a rotational power by electricity applied to the convection chamber Convection fan 50 for generating a suction force by rotating by the rotational power of the) is provided.

On the other hand, the oven cavity 34 is provided with an oven rack (Oven rack, 60) is supported on the upper surface of the food or food containers to be cooked.

The oven rack 60 has a horizontal edge 61 having a long horizontal shape, and a plurality of vertical beams 62 and a central beam supporting the vertical beams 62 inside the edge 61. 63) is formed. The center beam 63 reinforces the strength of the vertical beam 62 and serves to fix the central portion of the vertical beam 62.

Figure 3 is a perspective view of the lower heater chamber showing a state in which the lower heater according to the prior art is installed. As shown in the drawing, a lower heater 35 for dissipating heat into the oven cavity 34 is housed with electricity as a heat source under the lower surface plate 36 forming the lower surface of the oven cavity 34. Lower heater chamber 39 is provided and installed.

The lower heater chamber 39 is formed in a substantially rectangular shape, and its upper surface is opened to be attached to the lower surface of the lower plate 36. On the rear surface of the lower heater chamber 39, a heater connector 39a for connecting the lower heater 35 to a power source is formed, and brackets 72 and 74 for supporting and fixing the lower heater 35 are formed therein. It is provided.

The brackets 72 and 74 are one central bracket 72 for supporting and fixing the central portion of the lower heater 35 and two side brackets 74 for supporting and fixing both sides of the lower heater 35. It is composed.

And, each of the brackets (72, 74) is formed in the center of the fixing grooves (72a, 74a). The fixing grooves 72a and 74a are formed to have a predetermined depth so that respective portions are received and fixed as portions for fixing the central portion and both sides of the lower heater 35. In addition, fixing ends 72b and 74b are further formed on side surfaces of the brackets 72 and 74 to fix the brackets 72 and 74 to the lower heater chamber 39. The fixed ends 72b and 74b are coupled to the lower heater chamber 39 by welding or screws (not shown).

Therefore, the lower part of the lower heater 35 is inserted into the lower part of the lower heater chamber by inserting and fixing the central part and both side parts of the lower heater 35 into the fixing grooves 72a and 74a of the central bracket 72 and the side bracket 74. 39 is fixedly installed to dissipate heat into the oven cavity 34 from the lower side of the oven cavity 34.

However, the above conventional technologies have the following problems.

In the prior art as described above, the lower heater 35 accommodated in the lower heater chamber 39 is supported and fixed to separate brackets 72 and 74. Therefore, since the brackets (72, 74) should be provided, there is a problem that the material cost increases.

In addition, the welding or screw fastening operation is performed on the lower heater chamber 39 so as to fix the brackets 72 and 74, thereby increasing the number of working hours.

An object of the present invention for solving the above problems, to provide a lower heater fixing structure of the electric oven is formed with a heater fixing for supporting and fixing the lower heater on one side of the lower heater chamber for accommodating the lower heater. will be.

The lower heater fixing structure of the electric oven according to the present invention for achieving the above object is provided in the lower portion of the oven cavity, which is a space where food is cooked, the lower heater for dissipating heat applied to the heat source; A lower heater chamber formed under the oven cavity to accommodate the lower heater; Formed on one side of the lower heater chamber, characterized in that it comprises a heater fixing for supporting and fixing the lower heater.

The heater fixing unit is formed in the central portion of the lower surface of the lower heater chamber, the central forming unit for supporting the central portion of the lower heater; It is formed on both sides of the lower surface of the lower heater chamber, characterized in that consisting of side forming parts for supporting both sides of the lower heater.

The central forming unit and the side forming unit is characterized in that the central slit end and the side slit end is fixed to prevent the flow of the lower heater, respectively.

In addition, the center slit end and the side slit end are each bent toward the rear and the inside of the lower heater chamber so that the center and both sides of the lower heater is inserted to facilitate the installation of the lower heater.

According to the present invention having such a configuration, there is an advantage that the material cost is reduced and the installation of the lower heater is easy.

4 is a perspective view showing an electric oven employing a preferred embodiment of the present invention. According to this, the electric oven is cooking the food by the top burner unit 100 for heating and cooking the container containing the food, the control unit 200 for operating the operation of the electric oven, and tropical air in a closed space The oven unit 300 and the drawer unit 400 for warming the cooked food or keeping the cooked food are combined and configured integrally.

The top burner unit 100 is formed on the upper portion of the electric oven configured as described above. The top burner unit 100 is responsible for general cooking and the food contained in the container using radiant heat transmitted directly from the burner 120, which will be described below, to the container containing the food, and conduction heat delivered to the food contained in the container. As part of cooking, there is an advantage that can recognize at a glance the state of food.

The top surface of the top burner unit 100 is shielded by the top plate 110 formed of a ceramic material, the lower side of the top plate 110 has a plurality of burners 120 for dissipating heat by using heat applied as a heat source It is provided.

The burner 120 is typically formed of a coil, etc., and is formed in a substantially circular shape so that food to be cooked directly transfers heat to a container. That is, when the burner 120 emits heat by the applied electricity, the radiant heat emitted passes through the top plate 110 to heat the container containing the food which is located above the top plate 110.

At this time, the heat is not transferred to the upper plate 110 of the other portion except for the upper plate 110 of the burner 120 is provided with a container containing the food is not configured to be heated. This is to prevent a part of the human body from being injured by the carelessness of the user or the heat remaining after cooking.                     

The rear side of the top burner unit 100 is formed with a control unit 200 for controlling the operation of the electric oven. The control unit 200 is integrally formed with the rear surface of the electric oven, and formed above the rear side of the top burner unit 100.

In the substantially central portion of the control unit 200 is formed a display 210 for displaying the operation state and cooking time, cooking temperature, etc. of the electric oven, the user at the left and right sides of the display 210 to operate the electric oven A plurality of manipulation knobs 220 to be manipulated are formed to protrude forward.

The operation knob 220 is provided in a number corresponding to each burner 120 to operate a plurality of burners 120 provided in the top burner unit 100, the oven unit 300 and the In order to be able to operate the lower unit 400, a corresponding quantity is further provided.

An oven unit 300 is formed below the top burner unit 100. The oven unit 300 is a portion that is responsible for cooking or cooking a large amount of the inside is provided with a plurality of heaters (Heaters) for dissipating heat by using electricity applied as a heat source.

The oven unit 300 is a part for cooking food by heat radiated from the heater, that is, radiant heat and convective heat radiated from a plurality of heaters to confined spaces, and conductive heat transferred from a heated iron plate. The oven 300 is capable of cooking a large amount of food and has the advantage of maintaining the unique taste and aroma of food.

The front surface of the oven unit 300 is provided with an oven door 310 for selectively opening and closing the oven unit 300. The oven door 310 is coupled to the electric oven and a predetermined hinge is formed to be rotated up and down. A door handle 312 is formed on the front surface of the oven door 310 to protrude forward when the user opens and closes the oven door 310.

In the center portion of the oven door 310, a front view window 314 is formed to be transparent so that a user can easily check the cooking state of the food cooked in the oven 300. Therefore, the front viewing window 314 allows the user to cook while checking the cooking state of the food.

The drawer 400 is formed below the oven 300. The drawer unit 400 is configured to warm the cooked food or to cook as needed as a part responsible for storage. That is, a separate heater (not shown) is provided on the inner upper surface or the lower surface or the upper and lower surfaces, respectively, to radiate food by radiant heat directly transmitted to the cooked food by heat emitted from the heater, and conduction heat transmitted from the heated iron plate. It can be kept warm or warmed, and simple dishes can be made.

The drawer part 400 is formed in the shape of a hexahedral drawer of the upper surface is open, the drawer handle is recessed to the inside to be gripped by the user when using the drawer part 400 on the front (front) 410 is formed. Therefore, when the user grips the drawer handle 410 and pulls it forward, the drawer part 400 slides forward and is pulled out.

On the other hand, Figure 5 is a perspective view showing an open state of the oven door of the electric oven employing a preferred embodiment of the present invention.                     

As shown in the drawing, the oven unit 300 is shaped into a shape of a hexahedron having an open front surface, and the front surface of the oven unit 300 is selectively opened and closed by the oven door 310. The oven cavity 320, which is a space where food is cooked, is formed inside the oven 300 that is opened and closed.

The oven cavity 320 is integrally molded to form a side surface and a bottom surface (U) plate 340, and the rear plate 360 is formed on the rear side of the (U) plate 340 to form a rear surface and The upper plate (not shown) formed on the upper side of the U plate 340 to form an upper surface is fastened to each other to form an inner space of the oven unit 300.

The U plate 340 is integrally molded in an approximately 'U' shape to form side and bottom surfaces of the oven cavity 320, and an electric oven in front of the U plate 340. The front plate 370 is provided to form the front appearance of the.

The lower side of the U plate 340 is provided with a lower heater 350 for dissipating heat to the inside of the oven cavity 320 by using the electricity to be described below as a heat source, the upper side of the upper plate An upper heater (not shown) that performs the same function as the lower heater 350 is provided to cook food of the oven cavity 320 with radiant heat, convective heat, and conductive heat.

A convection chamber (not shown) is formed at the rear of the rear plate 360 to force convection of the internal air of the oven cavity 320, that is, the heat emitted from a plurality of heaters for cooking food.                     

Although not shown, the convection chamber includes a convection motor that generates rotational power by an applied power source, a convection fan, a convection heater, and the like that generate suction while rotating by the rotational power of the convection motor. Therefore, the convection fan is rotated by the rotational power of the convection motor, and the air inside the oven cavity 320 is sucked into the convection chamber by the suction force generated by the rotation of the convection fan.

In addition, an inlet 510 is formed in front of the convection fan, that is, the rear plate 360, and a flow passage for guiding the flow of air to the convection chamber, and an outer circumferential surface of the convection fan is formed on an outer circumference of the inlet 510. A convection cover 520 is formed to protrude forward to wrap, and the upper side of the convection cover 520 is responsible for a temperature sensor (not shown) and internal lighting for detecting an internal temperature of the oven cavity 320. An oven lamp (not shown) is further provided.

Grooves 342 supporting the oven rack 600, which will be described below, are formed on the oil (U) plate 340 forming inner side surfaces of the oven cavity 320.

The groove 342 has a predetermined width along the side of the (U) plate 340 is formed long from the front of the oven cavity 320 to the rear, the food in the interior of the oven cavity 320 It is formed to correspond to the left and right side while forming a plurality of layers in the up and down directions so that the position of the oven rack 600 to be described below according to the size and type of food when cooked.

 The groove groove 342a is formed to protrude downward at one side of the lower surface of the first half of the groove 342. The groove groove 342a is in contact with the front side of the oven rack 600 when the oven rack 600, which will be described below, is mounted on the upper surface of the groove 342 and slidingly mounted rearward. It serves to prevent the removal of the oven cavity 320 to the front.

On the other hand, a gasket (Gasket, 390) is provided on the front edge of the oven cavity 320 in contact with the oven door 310. The gasket 390 serves to prevent the internal heat of the oven cavity 320 from leaking to the outside when the oven door 310 opens and closes the front surface of the oven cavity 320. Done.

Inside the oven cavity 320 is provided with an oven rack (Oven rack, 600) for supporting the food to be cooked or a container containing such food. The oven rack 600 is mounted to the groove 342 and slides in and out of the oven cavity 320.

The oven rack 600 has a horizontal rectangular border to form an outer shape, and a plurality of vertical beams and a central beam for supporting the vertical beams are formed inside the border to support the food to be cooked.

The rack handle 620 is integrally formed on the edge formed in front of the oven rack 600. The rack handle 620 is for gripping by the user when the oven rack 600 is mounted on the groove 342 and slides in and out of the oven cavity 320. It is formed to be round.

6 is a perspective view of a lower heater chamber showing a state in which a lower heater of an electric oven according to an embodiment of the present invention is installed, and FIG. 7 illustrates a lower heater in which a lower heater of an electric oven is installed according to an embodiment of the present invention. A cross-sectional side view of the chamber is shown.

As shown in these drawings, the lower heater chamber 380 is provided at the lower portion of the oven cavity 320, which is a space in which the lower heater 350 that dissipates heat applied to the heat source is installed.

The lower heater chamber 380 is formed of a box having a substantially rectangular shape and has an upper surface formed in an open shape. The lower heater 350 is accommodated therein to allow the lower heater chamber 380 to have an oil (U) plate of the oven cavity 320. 340 is attached to the lower side.

On the rear surface of the lower heater chamber 380, a heater connector 382 is formed in which the lower heater 350 is connected to a power source, and a heater fixing part 384 supporting and fixing the lower heater 350 on an inner lower surface thereof. Is formed.

The heater fixing part 384 is a central forming part 384 'formed at the center of the lower surface of the lower heater chamber 380 and side forming parts 384 "formed at both ends of the lower heater chamber 380. It is composed.

The central forming part 384 'and the side forming part 384 "are formed to have a predetermined height upward from a bottom surface of the lower heater chamber 380, and the central forming part 384' is the lower heater. It serves to support and fix the central portion of the 350, the side forming portion (384 ") serves to support and fix both sides of the lower heater (350).

In addition, a center slit end 384'a and a side slit end 384 "a fixed to the center forming part 384 'and the side forming part 384" to prevent the lower heater 350 from flowing. Each is formed. The center slit end 384'a and the side slit end 384 "a are cut in each of the forming parts 384 'and 384" so as to have a predetermined area and length, and the cutout portion is cut into the slit end 384'. a, 384 "a).

In addition, each of the slit ends 384'a and 384 "a is inserted into the center and both sides of the lower heater 350 so that the lower heater 350 can be easily installed at the rear and the inner side of the lower heater chamber 380. That is, the center slit end 384'a is bent toward the rear of the lower heater chamber 380 and bent, and the side slit end 384 "a is bent toward the lower heater chamber. It is bent and bent toward the center of 380.

Accordingly, the power connector 352 of the lower heater 350 is inserted into the heater connector 382 of the lower heater chamber 380, and the center and both sides of the lower heater 350 are respectively formed in the forming unit 384 ', The lower heater 350 is simply installed when it is inserted into the center slit end 384'a and the side slit end 384 "a of the 384".

Hereinafter, look at the operation of the electric oven employing a preferred embodiment of the present invention. First, the operation of the top burner unit 100 of the electric oven, the user places the container containing the food on the upper surface of the top plate 110 and then operated the operation knob 220 of the control unit 200 burner ( 120).

When the burner 120 operates, radiant heat emitted from the burner 120 passes through the upper plate 110 to heat the container containing food. At this time, the burner 120 will cook the food wound inside the container by the radiant heat transmitted directly to the container containing the food and the conductive heat transmitted from the container containing the food being heated.

Next, looking at the operation of the oven unit 300 of the electric oven, when the user grips the door handle 312 and pulls forward, the oven door 310 is rotated downward to the front of the oven unit 300 Is opened. When the front surface of the oven unit 300 is opened, the user places a container containing food or food to be cooked on the upper surface of the oven rack 600 provided inside the oven cavity 320 and upwards the oven door 310. It rotates to seal the oven unit 300.

In addition, when the manipulation knob 220 provided in the control unit 200 is operated, a plurality of heaters, that is, upper and lower heaters provided in the oven unit 300 operate to operate the oven unit 300. As electricity is supplied, heat is emitted into the inside of the oven cavity 320.

The internal temperature of the oven cavity 320 closed by the heat generated by the plurality of heaters is increased, and when the internal temperature of the oven cavity 320 is increased, the food is cooked in a manner desired by the user. In addition, when power is applied to the electric oven, the convection fan of the convection chamber provided on the rear surface of the oven cavity 320 is rotated to force tropical air inside the oven cavity 320.

Accordingly, heat emitted from the plurality of heaters causes tropical flow by the convection fan, and the foods located inside the oven cavity 320 are cooked evenly by the tropical flow.

When the food is evenly cooked by tropical flow in the oven cavity 320, the user rotates the oven door 310 forward to open the front of the sealed oven cavity 320, and the oven rack 600. When holding the rack handle 620 of the pull forward and the oven rack 600 is slid to the front to be drawn out to eat food.

On the other hand, when the lower heater is installed and fixed according to the fixing structure of the lower heater according to the present invention, first, the heater fixing part for supporting and fixing the lower heater 350 on the lower surface of the lower heater chamber 380 Forming 384 is performed.

The heater fixing portion 384 is formed to have a predetermined height upward from the bottom surface of the lower heater chamber 380, so as to form the lower heater chamber 380 by adding its shape to one mold. It is preferable to.

In addition, a center slit end 384'a which fixes the central portion and both sides of the lower heater 350 to the upper surface of the heater fixing portion 384, that is, the central forming portion 384 'and the side forming portion 384 ". And side slit ends 384 " a, wherein each of the slit ends 384 " a and 384 " a incise a portion of the upper surface of each of the forming portions 384 'and 384 " It is formed by lifting and bending.

In addition, each of the slit ends 384'a and 384 "a is inserted into the center and both sides of the lower heater 350 so that the lower heater 350 can be easily installed at the rear and the inner side of the lower heater chamber 380. That is, the center slit end 384'a is bent toward the rear of the lower heater chamber 380 and bent, and the side slit end 384 "a is bent toward the lower heater chamber. It is bent and bent toward the center of 380.

Accordingly, the power connector 352 of the lower heater 350 is inserted into the heater connector 382 of the lower heater chamber 380, and the center and both sides of the lower heater 350 are respectively formed in the forming unit 384 ', The lower heater 350 is simply installed when it is inserted into the center slit end 384'a and the side slit end 384 "a of the 384".

The scope of the present invention is not limited to the above-exemplified embodiments, and many modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

As described in detail above, in the lower heater fixing structure of the electric oven according to the present invention, the heater fixing part for supporting and fixing the lower heater on one side of the lower heater chamber accommodating the lower heater is configured to be formed.

Therefore, the need for a separate bracket for supporting and fixing the lower heater as in the prior art is expected to reduce the material cost.

In addition, by eliminating the welding work or the screw fastening work for fixing the separate bracket to the lower heater chamber, not only the work process is simplified but also the effect of facilitating the installation of the lower heater is expected.

Claims (4)

A lower heater provided at a lower portion of the oven cavity, which is a space where food is cooked, and dissipating heat to be applied to a heat source; A lower heater chamber formed under the oven cavity to accommodate the lower heater; Forming on one side of the lower heater chamber, the lower heater fixing structure of the electric oven comprising a heater fixing for supporting and fixing the lower heater. The method of claim 1, wherein the heater fixing unit A central forming unit formed at a central portion of a lower surface of the lower heater chamber and supporting a central portion of the lower heater; The lower heater fixing structure of the electric oven, characterized in that formed on both sides of the lower end of the lower heater chamber, the side forming portion for supporting both sides of the lower heater. 3. The lower heater fixing structure according to claim 2, wherein the central forming unit and the side forming unit are provided with a central slit end and a side slit end respectively fixed to prevent the lower heater from flowing. 4. The electric oven according to claim 3, wherein the center slit end and the side slit end are bent toward the rear and the inside of the lower heater chamber so that the center and both sides of the lower heater are inserted to facilitate the installation of the lower heater. Lower heater fixing structure.

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