KR100693526B1 - A structure of Oven cavity for Electric oven - Google Patents

Abstract

The present invention relates to an oven cavity structure of an electric oven in which a bending part is formed at one end of an upper plate and a rear plate of an oven cavity, respectively, and is coupled to one side of a front plate and a U plate.

The oven cavity structure of the electric oven according to the present invention includes a u-plate integrally formed while forming side and bottom surfaces of the oven cavity in which food is cooked; A front plate fastened to the front surface of the u-plate and forming a front surface of the oven cavity; An upper plate which is fastened to an upper surface of the u-plate and forms an upper surface of the oven cavity; A rear plate which is fastened to a rear surface of the u-plate and forms a rear surface of the oven cavity; The front end of the upper plate is formed with a top bending portion bent upwards to contact the rear upper end of the front plate, the front upper end of the rear plate is bent rearward and fastened to the rear end of the lower surface of the upper plate, the front lower end Is bent backward and fastened to the rear end of the bottom of the u-plate. According to such a structure, there exists an advantage that the heat leakage of the oven cavity which is a space where food is cooked is prevented.

Electric oven, oven cavity, U plate, top plate, back plate, bending part

Description

A structure of oven cavity 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 cross-sectional view showing the oven cavity structure of the electric oven according to the prior art.

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.

6 is a cross-sectional view showing the oven cavity structure of the electric oven according to 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: rear fastening portion 344: groove

344a: Groove groove 350: Top plate

352: upper bending part 360: rear plate

362: rear bending part 362a: upper bending part

362b: lower bending part 370: front plate

372: upper surface fastening portion 380: lower heater chamber

390: gasket 400: drawer

410: drawer handle 510: inlet

520: convection cover 600: oven rack

620: rack handle S: screw

The present invention relates to an electric oven, and more particularly, to an oven cavity structure of an electric oven in which a bending portion is formed at one end of an upper plate and a rear plate of an oven cavity, respectively, and coupled to one side of a front plate and a U plate. will be.

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 a combined kitchen unit integrated, oven (Oven) is a range (kit) is not combined kitchen. 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 unit 10 is shielded by a top plate 12 formed of a ceramic material, and a plurality of burners 14 below the top plate 12 that radiate heat by using electricity as a heat source. It is provided.

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 operation knob 24 is provided to correspond to each burner 14 so as to operate a plurality of burners 14 provided in the top burner unit 10, and the oven unit 30 to be described below and There is further provided an operation knob 24 for operating the drawer part 40.

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 inward so that a 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 is composed of plates 36, 37, 38, and 39 which are formed in a substantially rectangular cylindrical shape to form respective surfaces to be described below, and form upper and lower surfaces of the upper plate 36 forming the upper surface. Although not shown below, the lower plate 39 is provided with a lower heater and an upper heater that dissipate heat into the oven cavity 34 using the applied electricity as a heat source.

A groove 37a is formed in the side plate 37 of the oven cavity 34 to protrude into the oven cavity 34. The groove 37a serves to support the oven rack 60 to be described below, and is formed by forming a plurality of layers on each of the side plates 37 formed from side to side.

In addition, a convection chamber (not shown) is formed on the rear plate 38 of the oven cavity 34 to circulate the internal air of the oven unit 30. The convection chamber is configured to generate rotational power by electricity applied thereto. Convection fan 50 for generating a suction force by rotating by the rotational power of the generating convection motor (not shown) 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.

3 is a cross-sectional view of a structure of a conventional oven cavity. As shown in the drawing, the oven cavity 34 includes an upper plate 36 forming an upper surface, a side plate 37 forming both sides, a rear plate 38 forming a rear surface, and a lower surface forming an lower surface. Each of the plates 39 is fastened to form an internal space of the oven unit 30.

The state in which the plates 36, 37, 38, and 39 are combined to form the structure of the oven cavity 34 will be described in detail. First, the top plate 36 is formed in a substantially planar shape to form a front fastening portion 36a that is bent upward only at the front end portion.

Therefore, the front fastening portion 36a of the top plate 36 is fastened with the top fastening portion 35a and a screw S formed by perforation of the front plate 35 forming the front appearance of the electric oven. The rear end of the upper plate 36 is coupled to the screw (S) horizontally with the rear plate (38).

In addition, the rear plate 38 is formed in a substantially 'c' shape so that the opening portion is installed toward the rear, so that the upper fastening end 38a of the upper end portion is horizontal with the rear end of the upper plate 36. Screw (S) is coupled and the lower fastening end 38b of the lower end is coupled to the screw (S) horizontally with the rear end of the bottom plate (39).

However, the electric oven according to the prior art configured as described above has the following problems.

In the prior art as described above, a portion to which the plates 36, 37, 38, and 39 forming each side of the oven cavity 34 are coupled, that is, the upper plate 36, the front plate 35, and the upper plate 36 And the rear plate 38 and the ends of the rear plate 38 and the lower plate 39 are in surface contact with each other and coupled with the screw S to open the oven cavity 34 in which hot air is formed so that food is cooked. There is a problem that leaks to the outside.

Therefore, an object of the present invention for solving the above problems, the oven cavity structure of the electric oven is combined with one side of the front plate and the (U) plate is formed by bending portions at one end of the upper plate and the rear plate of the oven cavity, respectively. To provide.

Oven cavity structure of the electric oven according to the present invention for achieving the object as described above, the plate forming the side and bottom of the oven cavity in which food is cooked integrally formed; A front plate fastened to the front surface of the u-plate and forming a front surface of the oven cavity; An upper plate which is fastened to an upper surface of the u-plate and forms an upper surface of the oven cavity; A rear plate which is fastened to a rear surface of the u-plate and forms a rear surface of the oven cavity; The front end of the upper plate is formed with a top bending portion bent upwards to contact the rear upper end of the front plate, the front upper end of the rear plate is bent rearward and fastened to the rear end of the lower surface of the upper plate, the front lower end Is bent backward and fastened to the rear end of the bottom of the u-plate.

The front end of the upper plate is bent upwards and is formed to be in contact with the rear upper end of the front plate, it is characterized in that the front plate is bent forward extending from the upper end of the front plate.

The upper end of the rear plate is bent to the rear end and the upper surface is bent in contact with the bottom surface of the upper plate, it is characterized in that it is formed by extending upward from the rear end of the rear end of the upper plate.
The lower end of the rear plate is bent backward to be in contact with the bottom end and the bottom end of the u-plate, the lower end of the u-plate is bent downward from the rear end is characterized in that it is formed extending.

According to the present invention having such a configuration, there is an advantage that heat leakage of the oven cavity, which is a space where food is cooked, is prevented.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the electric oven oven cavity structure according to the present invention will be described in detail.

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 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 the tropical flow of the 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, Figure 6 is a cross-sectional view of the oven cavity structure according to 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 formed to form a side surface and a bottom surface (U) plate 340, and the upper plate (350) provided on the upper side of the (U) plate 340 to form an upper surface And the rear plate 360 provided at the rear side of the U plate 340 to form a rear surface thereof and fastened to each other to form an inner space of the oven unit 300.

Looking at the fastening state of the oven cavity 320 in detail with reference to Figure 6, first the U plate (340) is formed of a substantially 'U' shaped integrally with the side and the bottom of the oven cavity 320 To form.

In addition, an upper plate 350 and a rear plate 360 are respectively provided on the upper side and the rear side of the U plate 340, and the front plate 370 that forms the front appearance of the electric oven is provided on the front side. It is provided and installed.

The upper plate 350 is formed in a substantially plate shape, and a front side bending part 352 is formed in which the front end portion is bent upward and bent a predetermined length forward. The upper surface bending portion 352 is coupled to the upper surface fastening portion 372, the upper end side of the front plate 370 is formed so that the perforated portion is bent upward.

Therefore, when the front end portion of the upper plate 350 and the upper surface fastening portion 372 of the front plate 370 is coupled with a screw (S), the upper surface bending portion 352 of the upper surface fastening portion 372 By wrapping the cross section, it is possible to prevent the heat of the oven cavity 320 from leaking to the upper end of the upper surface.

The rear plate 360 is provided at the rear side of the U plate 340. The rear plate 360 is formed in a substantially 'c' shape so that the opening portion is formed to face rearward to form the rear of the oven cavity 320, the upper and lower ends of the rear plate 360 of this shape The rear bending part 362 is formed. That is, the rear bending part 362 includes an upper bending part 362a formed to be bent upwardly at the upper end of the rear plate 360 and a lower bending part 362b formed to be bent downwardly at the lower end.

Here, when the upper end of the rear plate 360 and the rear end of the upper plate 350 are screwed (S), the upper bending part 362a comes into contact with the rear end of the upper plate 350, and the rear When the lower end of the plate 360 and the rear fastening part 342 of the U plate 340 are screwed (S), the lower bending part 362b is in contact with the end surface of the rear fastening part 342. do.

Therefore, the upper and lower bending parts 362a and 362b respectively surround the rear end surface of the upper plate 350 and the end surface of the rear fastening part 342 of the U plate 340, respectively. The heat of the 320 can be prevented from leaking to the rear end and the rear end of the upper surface.

On the other hand, the upper side of the upper plate 350 is provided with an upper heater (not shown) for dissipating heat into the interior of the oven cavity 320 using the electricity applied as a heat source, the U plate 340 The lower side of the lower heater chamber 380 is provided with a lower heater (not shown) that performs the same function as the upper heater.

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.

In addition, grooves (Groove) 344 supporting the oven rack 600 to be described below are formed on the oil (U) plate 340 forming inner side surfaces of the oven cavity 320.

The groove 344 has a predetermined width along the side of the (U) plate 340 is formed long in 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 344a is formed to protrude downward at one side of the lower surface of the first half of the groove 344. The groove groove 344a 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 344 and slidingly mounted backward. 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 344 and slides in and out of the oven cavity 320.

The oven rack 600 has a horizontal border of the long form an outer shape, a plurality of vertical beams and a central beam for supporting the vertical beam is 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 to be gripped by the user when the oven rack 600 is mounted on the groove 344 and slides in and out of the oven cavity 320. It is formed to be round.

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

Here, according to the oven cavity structure according to the present invention, the upper surface bending portion 352 formed at the front end of the upper plate 350 and the rear bending portion 362 formed at the upper end and the lower end of the rear plate 360 are provided. It is formed to prevent the heat leakage of the oven cavity 320, the tropical flow is generated as described above.

That is, the upper surface bending portion 352 surrounds the end surface of the upper surface fastening portion 372 of the front plate 370, and the upper bending portion 362a of the rear bending portion 362 is the upper surface of the 350 Surrounding the rear end section, the bottom bending part 362b of the rear bending part 362 wraps the end surface of the rear fastening part 342 of the U plate 340, thereby opening the heat inside the oven cavity 320. It is to prevent leakage to the outside.

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.

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 oven cavity structure of the electric oven according to the present invention, a bending part is formed at one end of the upper plate and the rear plate of the oven cavity, respectively, so that the front plate and the U plate are coupled to one side.

Therefore, by preventing the leakage of the internal heat for cooking food to the upper front and rear and rear and lower ends of the conventional oven cavity is expected to improve the thermal efficiency inside the oven cavity.

In addition, by improving the thermal efficiency inside the oven cavity, not only heat can be evenly transferred to the food, but also cooked foods cooked with the heat efficiency are expected to improve the user's product satisfaction.

Claims (4)

A u-plate integrally formed while forming side and bottom surfaces of the oven cavity in which food is cooked; A front plate fastened to the front surface of the u-plate and forming a front surface of the oven cavity; An upper plate which is fastened to an upper surface of the u-plate and forms an upper surface of the oven cavity; A rear plate which is fastened to a rear surface of the u-plate and forms a rear surface of the oven cavity; The front end portion of the upper plate is formed with an upper bending portion bent upward to contact the rear upper end of the front plate, The front upper end of the rear plate is bent backward and fastened to the rear end of the lower surface of the upper plate, The front lower end is bent rearward and the oven cavity structure of the electric oven, characterized in that it is fastened with the bottom end of the bottom plate. The oven cavity of claim 1, wherein the front end of the upper plate is bent upward to be formed to be in contact with the rear upper end of the front plate, and is bent and extended forward from the upper end of the front plate. rescue. According to claim 1, wherein the upper end of the rear plate is bent to the rear end and the upper surface of the upper plate is fastened to be in contact with each other, the rear end of the upper plate is bent upwardly extending from the rear end Oven cavity structure of the oven. According to claim 1, wherein the lower end of the rear plate is bent backward and the bottom end and the bottom surface of the u-plate are fastened so as to be in contact, the lower end of the bottom of the u-plate is bent downwardly extending from the rear side Oven cavity structure of electric oven.

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