KR20060104282A - Overheating prevention oven door - Google Patents

Abstract

The present invention relates to an overheat prevention oven door provided with a blocking plate inside the oven door in order to prevent the surface temperature of the oven door from rising by the heat flowing into the latch hole of the door top bracket.

An overheat prevention oven door according to the present invention comprises: a front glass 300 forming an outer appearance of a front surface; A door frame 360 coupled to both sides of the windshield 300 to support the windshield 300; A reflection glass 500 provided between the door frames 360 to reflect heat; A heat-resistant glass 520 coupled to one surface of the door frame 360 to form an outer shape of a rear surface thereof; A blocking plate 600 mounted between the windshield 300 and the heat-resistant glass 520 to prevent external heat from flowing between the windshield 300 and the heat-resistant glass 520; It is mounted to the upper portion of the windshield 300, and comprises a door top bracket 400 to form an outer appearance of the upper (upper). According to the present invention having such a configuration, there is an advantage that the surface temperature of the oven door can be lowered.

Oven, oven door, surface temperature, overheat protection, blocking plate

Description

Overheating prevention oven door {Overheating prevention oven door}

1 is a perspective view showing the appearance of a typical electric oven.

Figure 2 is a partial perspective view showing the appearance of the oven door according to the prior art.

Figure 3 is a partial cross-sectional view showing the internal structure of the upper portion of the oven door according to the prior art.

Figure 4 is an exploded perspective view showing the configuration of a preferred embodiment of the overheat prevention oven door according to the present invention.

Figure 5 is a perspective view showing the appearance of the blocking plate which is a main component of a preferred embodiment of the overheat prevention oven door according to the present invention.

Figure 6 is a perspective view showing the mounting appearance of the blocking plate of the main components of a preferred embodiment of the overheat prevention oven door according to the present invention.

Figure 7 is a cross-sectional view showing the internal structure of the top of the preferred embodiment of the overheat prevention oven door according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Oven Cavity 120. Electric Battle Room

140.Front Plate 142. Hot Air Outlet

200. Oven door 300. Windshield

320. Door handle 340. Support bracket

360. Door Frame 400. Door Top Bracket

420. Litchhole 500. Reflective glass

520. Heat-resistant glass 540. Elastic bracket

600. Blocking plate 620. Glass contact surface

640. Extension surface 660. Heat-resistant glass contact surface

S. screw

The present invention relates to an oven, and more particularly, an overheat prevention oven door provided with a blocking plate inside the oven door to prevent the surface temperature of the oven door from rising due to the heat flowing into the latch hole of the door top bracket. It is about.

The present invention can be used regardless of the type and mounting type of the oven, and will be described below by taking an example of an electric oven.

Generally, ovens are classified into electric ovens and gas ovens, and electric ovens are ceramic heaters, sheath heaters, halogen heaters, etc., which are electrically operated after storing and sealing cooking materials. It is a cooking device that heats cooking materials by dry heat using various heaters and high frequency generators. It heats the inside and the inside of cooking materials at the same time, and the cooking speed is fast and thermal efficiency is high. Its use is increasing.

In recent years, the majority of kitchen appliances including electric ovens tend to be built-in type. Built-in refers to a method of incorporating various electronic products into furniture to give a sense of unity to design. Not only can it make the most of its use, but it is also highly preferred because of its excellent interior effect.

1 is a front view showing the appearance of a general electric oven, as shown in the drawing, the electric oven 10 is formed in a substantially rectangular shape, the inside of the oven cavity 20 is a space for cooking while holding food. ) Is formed.

Part of the front of the electric oven (10). That is, the front surface of the oven cavity 20 is formed to be opened. In addition, the opened front surface of the oven cavity 20 is selectively shielded by the oven door 30 formed to be rotatable, and a door handle 32 is provided at an upper end of the oven door 30.

A control panel 40 is provided above the front surface of the electric oven 10, that is, above the front of the oven cavity 20, and operates an operation knob 42 and an operating state for controlling the operation of the electric oven 10. It is to provide a space provided with a display 44 for displaying the

In addition, the rear of the control panel 40 is formed with an electric equipment chamber 50 is provided with a variety of electric / electronic components for the operation of the electric oven 10, the electric equipment chamber 50, the oven cavity 20 Blowing fan 52 for forcibly blowing the air cooled to the front and the air cooled in the electric compartment inside is further provided.

Although not shown, a plurality of heaters, such as a sheath heater and a halogen heater, are provided in the oven cavity 20, and heat heated by a plurality of heaters is a convection fan. fan) to force circulation of the inside of the oven cavity.

In addition, a front plate 12 is formed on the front surface of the oven cavity 20 to extend vertically outward along the front end of the oven cavity 20 to form a part of the front exterior of the electric oven 10. The front plate 12 is formed to be adjacent to the rear of the oven door 30.

A latch 14 is provided at approximately the center of the top surface of the front plate 12. The latch 14 is formed in a ring shape so as to forcibly restrain the oven door 30 when the oven door 30 is closed, and is latched and fixed to the latch hole 72 to be described below. The oven door 30 is opened to prevent a safety accident that occurs.

A plurality of hot air outlets 16 are formed in the upper portion of the front plate 12 through. The hot air outlet 16 is a place where the exhaust gas of the oven cavity 20, the air cooling the oven cavity 20 and the air cooling the electric chamber 50 is blown out from the blow fan 52 Relatively hot air is exhausted.

Figure 2 is a partial perspective view showing the appearance of the oven door according to the prior art, Figure 3 is a partial cross-sectional view showing the internal structure of the oven door according to the prior art, as shown in these drawings, the oven door 30 Is formed in a substantially rectangular shape, the front shape is formed by the windshield 60.

The door handle 32 is coupled to the front upper portion of the windshield 60. The door handle 32 is fixed to the front glass by a screw (S) penetrating the windshield by the user to grip the door so that the oven door 30 can be easily opened and closed.

Door frames 34 supporting the windshield 60 are respectively coupled to both rear sides of the windshield 60 to reflect heat inside the oven cavity 20 between the door frames 34. At least one reflective glass 62 is mounted.

Then, the heat-resistant glass 64 is mounted on the opposite side of the door frame 34 on which the windshield 60 is mounted, that is, the surface facing the oven cavity 20. The heat-resistant glass 64 forms the outermost part of the rear surface of the oven door 30 and is treated with a special coating to withstand high heat.

On the other hand, the door top bracket 70 is formed on the oven door 30. The door top bracket 70 shields the space partitioned by the reflective glass 62 between the windshield 60 and the heat-resistant glass 64 from above and simultaneously forms an upper appearance of the oven door 30. Done.

The door top bracket 70 is formed in a horizontal direction in a generally rectangular shape, and the corner portions of the front surface and the upper surface protruding outward are inclined. Then, the door top bracket 70 is formed so that the bottom is opened so that the door (S) at both sides of the door top bracket 70 and the screw (S) from both sides after being fitted downward from the top of the oven door (30). It is fastened to penetrate the side of the door frame 34.

A latch hole 72 is further formed in an approximately center portion of the front surface of the door top bracket 70. The latch hole 72 is formed by penetrating the door top bracket 70 in a substantially rectangular shape to which the latch 14 is inserted and locked.

However, the prior art as described above has the following problems.

The door top bracket 70 is formed on the rear of the oven door and is adjacent to the front plate 12 for coupling the latch hole 72 and the latch 14. The front plate 12 is formed with a plurality of hot air outlets 16 for discharging relatively high temperature air, the door top bracket 70 is to be adjacent to the hot air outlet (16).

Therefore, relatively hot air discharged through the hot air outlet 16 is partially introduced through the latch hole 72 penetrating through the door top bracket 70, and the hot air is introduced into the windshield 60. And enters the space formed between the reflective glass 62 and the heat-resistant glass 64 to increase the surface temperature of the oven door 30.

This causes a user's emotional dissatisfaction, there is a problem that reduces the purchasing power to inhibit the safety.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, in order to prevent the surface temperature of the oven door from rising by the heat flowing into the latch hole of the door top bracket. It is to provide an overheat prevention oven door provided with a blocking plate.

An overheat prevention oven door according to the present invention for achieving the above object comprises a front glass forming an outer appearance of the front surface; A door frame coupled to both sides of the windshield and supporting the windshield; A reflection glass provided between the door frames and reflecting heat; A heat-resistant glass coupled to one surface of the door frame to form an outer shape of a rear surface; A blocking plate mounted between the windshield and the heat resistant glass to prevent external heat from flowing between the windshield and the heat resistant glass; It is mounted to the upper portion of the windshield, characterized in that it comprises a door top bracket to form an outer shape of the upper (upper part).

The blocking plate is formed to shield the opened upper surface between the door frame.

The blocking plate has a front glass contact surface in close contact with the front glass; An extension surface which is bent upwardly and vertically extended from one end of the front glass contact surface; One end of the extending surface is bent vertically in the direction opposite to the direction of the front glass contact surface, and comprises a heat-resistant glass contact surface in close contact with the heat-resistant glass.

Both sides of the windshield contact surface is further formed with a through hole through which a screw for fixing the door handle gripped by the user for the operation on the windshield.

One side of the door top bracket is formed through the latch hole is inserted into the latch for restraining the oven door.

The support bracket is formed at an approximately center portion of the rear side of the windshield.

According to the present invention having such a configuration, it is possible to prevent the surface temperature rise of the oven door to solve the user's emotional dissatisfaction and ensure safety.

Hereinafter, a preferred embodiment of the present invention as described above in detail with reference to the accompanying drawings, the appearance of the electric oven is the same as that of a general electric oven will be omitted a detailed description.

4 is an exploded perspective view showing a configuration of a preferred embodiment of the overheat prevention oven door according to the present invention, as shown in the drawing, the oven door 200 shields the front surface of the oven cavity 100 in which food is cooked It is formed in a substantially rectangular shape.

The front exterior of the oven door 200 is formed by the front glass 300. The front glass 300 is formed in the most front of the oven door 200 is formed in a rectangular shape, and is exposed to the outside of the electric oven, so as to improve the aesthetics and at the same time to prevent external damage such as scratches Is processed.

The door handle 320 is coupled to an upper surface of the front glass 300. The door handle 320 is gripped by the user to open and close the oven door 200, and is formed to protrude forward so that the user can easily grip the door.

A support bracket 340 is provided at an approximately center portion of the upper surface of the rear surface of the windshield 300. The support bracket 340 assists in mounting the door top bracket 400 to be described below, and the upper portion of the support bracket 340 is formed on the front glass so that the support bracket 340 can be fitted to one side of the door top bracket 400. It is spaced apart from the rear surface of the 300 by a predetermined interval.

The door frame 360 is coupled to both sides of the rear surface of the windshield 300. The door frame 360 supports the windshield 300 and forms a space in which the reflective glass 500 to be described below is mounted.

One surface of the door frame 360 is coupled to both sides of the windshield 300 by an adhesive such as silicon, and between each door frame 360 mounted on both sides of the windshield 300. Reflective glass 500 is mounted.

The reflective glass 500 reflects the heat generated inside the oven cavity 100 and is coated with a special coating to reflect the heat on one or both sides. Therefore, the reflective glass 500 reflects the heat transmitted to the oven door 200 back into the oven cavity 100 to prevent the heat from flowing out through the oven door 200.

In addition, at least one reflective glass 500 is mounted between the door frames 360. In addition, the reflective glass 500 is spaced apart from each other to have a predetermined distance from the front glass 300, the heat-resistant glass 520 and the other reflective glass 500, the door frame 360 is formed It is mounted to shield the entire space.

The heat-resistant glass 520 is mounted on the other surface of the door frame 360 corresponding to one surface of the door frame 360 on which the front glass 300 is mounted, that is, the surface corresponding to the inner side when the oven door 200 is closed. do. The heat-resistant glass 520 forms a rear shape of the oven door 200 and is coupled to one surface of the door frame 360 to shield the entire space between the door frames 360.

In addition, the heat-resistant glass 520 is formed at the rear of the oven door 200 to directly contact the oven cavity 100 where food is cooked, and thus is directly exposed to relatively high temperature heat. Therefore, the heat resistant glass 520 may be coated or specially processed to withstand heat well.

On the other hand, in more detail than the upper portion of the oven door 200, the front plate 300, the reflective glass 500 and the heat-resistant glass 520 in the open upper portion of the space formed by the blocking plate to be described in detail below ( 600) is mounted.

In addition, a door top bracket 400 is mounted on the rear surface of the windshield 300. The door top bracket 400 forms an upper shape of the oven door 200, and is generally formed of stainless steel, which is strong in heat and excellent in corrosion resistance, and is formed in a horizontal direction in a polygonal box shape having a lower surface.

The door top bracket 400 shields a screw S or coupling mechanisms exposed to the rear surface of the windshield 300 when the door handle 320 is fixed, and the rear surface of the windshield 300. It is mounted downward from the upper side to shield the upper surface of the door frame 360 mounted on both sides.

At this time, the rear surface of the door top bracket 400 is fitted by the support bracket 340 mounted on the windshield 300 so that the door top bracket 400 is fixed to the rear surface of the windshield 300. The screw S is coupled to both sides of the door top bracket 400 so as to pass through the door frame 360, and the door top bracket 400 is coupled to the door frame 360.

When the oven door 200 is closed, the door top bracket 400 comes into contact with the front plate 140, and the latch hole 420 is disposed at approximately the center of one surface of the door top bracket 400 contacting the front plate 140. This is done. The latch hole 420 is inserted into a latch (not shown) which performs a fixing operation when the oven door 200 is opened and closed by a groove having a substantially rectangular shape to fix the oven door 200.

Figure 5 is a perspective view showing the outer appearance of the blocking plate which is a main component of a preferred embodiment of the overheat prevention oven door according to the present invention, Figure 6 is a mounting view of the blocking plate is a main component of a preferred embodiment of the overheat prevention oven door according to the present invention. As a perspective view showing, to be described in more detail with respect to the blocking plate as shown in the following figures.

The blocking plate 600 is formed by bending a substantially rectangular plate made of aluminum having excellent heat resistance and workability, and are formed by mounting the front glass 300, the reflective glass 500, and the heat resistant glass 520, respectively. It is to prevent heat from entering into the space between each.

The blocking plate 600 includes a front glass contact surface 620, an extension surface 640, and a heat resistant glass contact surface 660. The front glass contact surface 620 is a surface in close contact with the upper surface of the rear surface of the windshield 300, and the through hole 622 for coupling the blocking plate 600 is formed through both sides.

The through hole 622 is a screw (S) through to couple the blocking plate 600, the screw (S) is fastened to one side of the door handle 320 through the windshield 300. . That is, by the fastening of the screw (S) it is performed simultaneously to the fixing of the door handle 320 as well as the blocking plate 600.

In addition, the support bracket 340 is mounted on the upper surface of the rear surface of the windshield 300 in which the front glass contact surface 620 of the blocking plate 600 is in close contact. Therefore, an approximately central portion of the front glass contact surface 620 corresponding to the mounting position of the support bracket 340 protrudes upward to shield the top surface of the support bracket 340.

The extended surface 640 is formed at the lower end of the front glass contact surface 620 (see FIG. 5). The extension surface 640 is bent vertically forward (as seen in FIG. 5) at the end of the windshield contact surface 620 to shield the upper surface between the windshield 300 and the heat-resistant glass 520. The upper surface of the reflective glass 500 mounted between the windshield 300 and the heat-resistant glass 520 is shielded.

In addition, a heat-resistant glass contact surface 660 is formed at the front end of the extension surface 640 (see FIG. 5). The heat resistant glass contact surface 660 is bent vertically downward from the end of the extension surface 640 to be in surface contact with the rear surface of the heat resistant glass 520.

The blocking plate 600 is mounted between the windshield 300 and the heat-resistant glass 520, the upper surface is formed between the windshield 300 and the heat-resistant glass 520 is the blocking plate Shielded by 600.

In addition, the front glass 300, the reflective glass 500, and the heat-resistant glass 520 are each spaced by an elastic bracket 540 or other fixing mechanism mounted on both side ends of the upper end of the reflective glass 500 Adjusted.

Hereinafter, the operation of the electric oven employing the overheat prevention oven door according to the present invention having the configuration as described above.

When the user pulls forward after holding the door handle 320 of the electric oven door 200 for cooking, the oven door 200 is opened to open the oven cavity 100.

After opening the oven cavity 100, a food or food container for cooking is placed in the oven cavity 100, and the oven door 200 is rotated upward while the door handle 320 is gripped. By doing so, the oven door 200 is closed.

When the oven door 200 is closed, the oven cavity 100 is completely sealed, and preparation for cooking is completed. When the electric oven is operated, power is applied to various heaters and electrical appliances mounted in the oven cavity 100 to heat the inside of the oven cavity 100, and the heat inside the oven cavity 100 is applied to the rotation of the fan. As a result of forced convection in the oven cavity 100, the food in the oven cavity 100 is heated and cooked evenly.

During operation of the electric oven, the exhaust gas inside the oven cavity 100, the air cooled outside the oven cavity 100, and the air cooled inside the electric compartment 120 are relatively hot air. Blown by a blow fan (not shown) of the) is forced to be discharged to the hot air outlet 142 of the front plate 140.

The relatively hot air discharged in this manner is discharged toward the door top bracket 400 of the oven door adjacent to the front plate 140, and a part of the air is discharged through the latch hole 420. It is introduced into the interior of the (400).

The hot air introduced into the inside of the door top bracket 400 is not introduced into the space of the inside of the oven door, that is, between the windshield 300 and the heat-resistant glass 520 by the blocking plate 600.

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

For example, the embodiment of the present invention has been described with reference to the electric oven, but it will be obvious that the present invention is also applicable to a gas oven.

In the overheat prevention oven door according to the present invention as described in detail above, the hot air outlet of the front plate by installing a heat shield plate for shielding the open upper surface of the space formed by the windshield and the heat-resistant glass between the windshield and the heat-resistant glass Prevent heat from escaping the interior of the oven door.

Therefore, the surface temperature of the oven door can be prevented from rising due to the inflow of hot air, and thus the user's safety as well as the emotional discomfort due to the heat of the oven door surface can be solved, thereby reducing the purchasing power. Can be improved.

In addition, the regulation of the surface temperature of the oven door can meet the limitations of many countries, which can be expected to secure more sales channels.

Claims (6)

A windshield forming an outer appearance of the front surface; A door frame coupled to both sides of the windshield and supporting the windshield; A reflection glass provided between the door frames and reflecting heat; A heat-resistant glass coupled to one surface of the door frame to form an outer shape of a rear surface; A blocking plate mounted between the windshield and the heat resistant glass to prevent external heat from flowing between the windshield and the heat resistant glass; Mounted on top of the windshield, overheat prevention oven door, characterized in that it comprises a door top bracket to form an outer appearance of the upper (upper). The oven door structure as claimed in claim 1, wherein the blocking plate is formed to shield the upper surfaces of the door frames. The method of claim 2, wherein the blocking plate, A front glass contact surface in close contact with the front glass; An extension surface which is bent upwardly and vertically extended from one end of the front glass contact surface; The one end of the extension surface is bent vertically in the direction opposite to the direction of the front glass contact surface, overheat prevention oven door, characterized in that it comprises a heat-resistant glass contact surface in close contact with the heat-resistant glass. According to claim 3, On both sides of the windshield contact surface, The overheat prevention oven door, characterized in that the through-hole is further formed through the screw for fixing the door handle held by the user to the windshield for operation. The overheat prevention oven door according to any one of claims 1 to 4, wherein a latch hole through which a latch for restraining the oven door is inserted is formed at one side of the door top bracket. The rear surface of the windshield of any one of claims 1 to 4,  Overheat prevention oven door, characterized in that the support bracket is further formed to support the door top bracket to be mounted.

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