KR20060035906A - Fixing strucrure of inner glass for electric oven door - Google Patents

Abstract

The present invention relates to an inner glass fixing structure of the electric oven door is coupled to the handle fixing device, and includes a fixing bracket for preventing the flow of the inner glass by receiving the end of the inner glass.

The inner glass fixing structure of the electric oven door according to the present invention, the front glass 320 to form a front surface of the door 300; An inner glass 330 formed at the rear of the windshield 320 to reflect the heat of the door 300; A handle fixing device 360 for fixing the handle 310 formed at one side of the windshield 320; One side is fixed by the handle fixing device 360, the other side has a configuration including a fixing bracket 400 for fixing the inner glass 330. According to the present invention having such a configuration, it is easy to manufacture a fixing device for fixing the inner glass 330, there is an advantage that the fixing operation of the inner glass 330 becomes easy.

Electric oven, oven, door, inner glass, fixed, bracket

Description

Fixing structure of electric oven door {fixing strucrure of inner glass for Electric oven door}

1 is a front view showing a state in which a door of a conventional electric oven is opened.

Figure 2 is a side cross-sectional view showing an inner glass fixing structure of a conventional electric oven door.

Figure 3 is a perspective view showing the appearance of the flow prevention spring that is a main portion of the inner glass fixing structure of the conventional electric oven door.

Figure 4 is a front view showing a state in which the door of the electric oven is adopted, the preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention.

5 is a perspective view showing a door in which a preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention is employed.

Figure 6 is an exploded perspective view showing the coupling of the fixing bracket which is a main component of a preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention.

Figure 7 is a perspective view showing the state of the lower portion of the door is adopted a preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Electric oven 200. Cooking chamber

210. Halogen heater 220. Convection fan

222. Chamber cover 230. Front plate

300. Door 310. Handle

320.Front glass 322.Screw hole

330. Inner glass 330 '. 1st inner glass

330 ''. Second inner glass 340. Side frame

342. Fixing piece 344. Lower part fixing piece

350. Heat-resistant glass 360. Handle lock

362.Aluminum Bushings 364. Screws

370. Upper frame 400. Fixed bracket

420. Coupling part 422. Coupling hole

440. Fixing part 442. Support plate

442a. Vertical support plate 442b. Upper support plate

442c. Lateral support plate 444. Insertion groove

444 '. 1st insert groove 444 ''. 2nd insertion groove

500. Control panel 520. Operation knob

540. Operation Buttons

The present invention relates to an electric oven, and more particularly, to an inner glass fixing structure of an electric oven door including a fixing bracket which is coupled to a handle fixing device and prevents the flow of the inner glass by receiving an end of the inner glass. will be.

In general, an electric oven is dried by using various heaters and high frequency generators such as ceramic heaters, sheath heaters, and halogen heaters that are electrically operated after the cooking material is sealed. 조리) As a cooking appliance that heats cooking ingredients, the cooking speed is heated at the same time as the outside and inside of the cooking ingredients, and the heat efficiency is high.

1 is a front view illustrating a state in which a door of a conventional electric oven is opened, and as shown in the drawing, the conventional electric oven 1 is formed in a substantially rectangular shape, and food and beverages are formed inside the electric oven 1. A cooking chamber 10, which is a space for cooking the cooking chamber 10, is formed, and an electrical equipment chamber (not shown) having electrical equipment for the operation of the electric oven 1 is formed above the cooking chamber 10.

The cooking chamber 10 is formed in a substantially rectangular shape having an opening in the front, and forms most of the space inside the electric oven 1. Inside the cooking chamber 10, a plurality of heaters (not shown) that generate heat by electricity and heat generating devices such as a halogen heater 12 are provided.

Although not shown, a convection chamber is formed at the rear of the cooking chamber 10, and a convection heater and a convection fan 14 are provided inside the convection chamber to force convection inside the cooking chamber 10. .

The convection heater and the convection fan 14 are shielded by the chamber cover 16, and the chamber cover 16 is formed on the rear surface of the cooking chamber 10. In addition, a plurality of perforations are formed on the front and both sides or upper and lower surfaces of the chamber cover 16 to become a circulation passage of heat inside the cooking chamber 10.

On the other hand, the opened portion of the front of the cooking chamber 10 is shielded by the door (20). The door 20 is connected to a rotatable connection mechanism such as a hinge at the lower end of the electric oven 1 so that the door 20 can be selectively opened and closed forward by using the handle 30 formed on the upper part of the door 20. Is formed.

An electrical equipment chamber (not shown) is formed above the cooking chamber 10, and the front surface of the electrical equipment chamber is shielded by the control panel 50. One side of the control panel 50 is formed with a plurality of operation knobs 52 and operation buttons 54 for controlling the operation of the electric oven (1).

Figure 2 is a side cross-sectional view showing the inner glass fixing structure of the conventional electric oven door, Figure 3 is a perspective view showing the appearance of the flow preventing spring that is the main configuration of the inner glass fixing structure of the conventional electric oven door, as shown in the figure The inside of the door 20 is provided with a windshield 22, an inner glass 24, and a heat-resistant glass 26 to prevent heat leakage from the inside of the cooking chamber 10.

The windshield 22 is formed in front of the door 20 to form an exterior of the door 20. At the rear of the windshield 22, the first inner glass 24 'and the second inner glass 24' 'are formed in parallel with each other while maintaining a predetermined interval. Then, the heat-resistant glass 26 is formed behind the inner glass 24. The heat-resistant glass 26 is formed at the rear of the door 20 to be in direct contact with the cooking chamber 10.

On the other hand, the upper frame 28 is formed in the upper portion of the door 20 in the horizontal direction, the lower side of the upper frame 28 in order to facilitate the mounting of the inner glass 24 and the heat-resistant glass 26 in order It is formed stepped.

That is, the first inner glass 24 ′, the second inner glass 24 ″, and the heat resistant glass 26 are gradually increased in size, and are sequentially mounted on respective stepped portions of the upper frame 28. do. In addition, the upper cover 29 is mounted above the upper frame 28 to form the upper exterior of the door 20 while shielding the upper frame 28.

The inner glass 24 is fixed by the flow preventing spring 40 to be fixed in the interior of the door 20 while maintaining a predetermined interval. The flow preventing spring 40 is formed of a plate having elasticity, it is formed by bending a plurality of times to fit the inner glass 24.

Looking at the flow prevention spring with reference to Figure 3, the flow prevention spring 40 is bent so as to project an elastic plate having a predetermined width in a substantially 'c' shape in one direction the first insertion groove (42 ') And extend somewhat laterally, and then the second insertion groove 42 '' protrudes in the same shape in the same direction.

In this case, the second insertion groove 42 ″ is formed to protrude more than the first insertion groove 42 ′, and the inlet of the insertion groove 42 is formed to be somewhat narrower inward to the inside of the insertion groove 42. When the glass 24 is inserted, it is fixed while pressing the inner glass 24 by elasticity.

On the other hand, the first insertion groove 42 ′ and the second insertion groove 42 ″ are spaced apart from each other by a predetermined distance, thereby forming a buffer portion 44 in which a buffer effect naturally occurs. The lower end of the second insertion groove 42 '' extends downward with a predetermined inclination.

An end of the first inner glass 24 ′ is inserted into the first insertion groove 42 ′, and the second insertion groove 42 ″ protrudes more than the first insertion groove 42 ′. The end of the second inner glass 24 ″ larger than the first inner glass 24 ′ is inserted. The inner glass 24 is fitted into each of the insertion grooves 42 by the elasticity of the flow preventing spring 40 so that no up and down flow occurs.

On the other hand, one side end portion of the flow preventing spring 40, that is, the portion where the end of the second insertion groove 42 '' is inclined in contact with the heat-resistant glass 26 to the inner glass 24 to the door 20 In addition to being fixed inside, the buffer 44 of the flow prevention spring 40 can mitigate the horizontal impact of the inner glass.

Looking at the operating state of the electric oven having the configuration as described above, when the user operates the electric oven (1) by operating the operation knob 52 and the operation button 54, it is mounted in the cooking chamber 10 Power is applied to the various heating devices, and the inside of the cooking chamber 10 is heated, and the heat inside the cooking chamber 10 is forced to convex in the cooking chamber 10 by the rotation of the convection fan 14. 10) The food inside is heated.

In addition, the heat generated inside the cooking chamber 10 is reflected by the inner glass 24 formed inside the door 20, thereby preventing the internal heat from leaking to the outside.

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

The inner glass 24 is coupled to the insertion groove of the flow preventing spring 40 to be coupled to, and in this case, the flow preventing spring 40 is set to have a strong elasticity for the firm fixing of the inner glass 24 It is.

Therefore, the inner glass 24 is not easily flowed from the insertion groove 42 of the flow preventing spring 40, but due to this, a considerable force enters even when the inner glass 24 is fitted, which makes it difficult to fit. have.

In addition, since it is difficult to fit the flow preventing spring 40 at the correct position of the inner glass 24, it is necessary to hold the correct position of the flow preventing spring 40 again after fitting.

Therefore, in the fixing of the inner glass 24, additional work is generated, resulting in an increase in the work process, and the surface of the inner glass 24 may be damaged during such work.

An object of the present invention as described above, coupled to the handle fixing device, to provide an inner glass fixing structure of the electric oven door comprising a fixing bracket for preventing the flow of the inner glass by receiving the end of the inner glass.

An inner glass fixing structure of the electric oven door according to the present invention for achieving the object as described above, and the front glass to form the front of the door; At least one inner glass formed at the rear of the windshield and reflecting heat of the door; A handle fixing device for fixing a handle formed on one side of the windshield; One side is fixed by the handle fixing device, the other side is characterized by having a configuration comprising a fixing bracket for fixing the inner glass.

 The fixing bracket includes a coupling part coupled to the handle fixing device, and a fixing part fixing the inner glass.

 The fixing portion and the support plate for supporting the inner glass; Is formed between the support plate, and comprises an insertion groove for receiving the inner glass.

 The insertion groove is formed in the same number as the number of the inner glass, and accommodates one end of the inner glass.

According to the present invention having such a configuration, there is an advantage that the manufacturing of the fixing device for fixing the inner glass is easy, and the fixing operation of the inner glass becomes easy.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention as described above will be described in detail.

Figure 4 is a front view showing a state in which the door of the electric oven is adopted, the preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention, as shown in the drawing, the conventional electric oven 100 is approximately It is formed in a rectangular shape, the cooking chamber 200 which is a space for cooking food is formed in the electric oven 100, the electrical equipment for the operation of the electric oven 100 above the cooking chamber 200 is formed An electrical equipment room (not shown) provided is formed.

The cooking chamber 200 is formed in a substantially rectangular parallelepiped shape in which the front is opened, and forms most of the space inside the electric oven 100. Inside the cooking chamber 200, a plurality of heaters (not shown) that generate heat by electricity and heat generating devices such as a halogen heater 210 are provided.

Although not shown, a convection chamber is formed at the rear of the cooking chamber 200, and a convection heater and a convection pan 220 are provided inside the convection chamber to force convection inside the cooking chamber 200. .

The convection heater and the convection fan 220 are shielded by the chamber cover 222, and the chamber cover 222 is formed on the rear surface of the cooking chamber 200. In addition, a plurality of perforations are formed on the front and both sides or the upper and lower surfaces of the chamber cover 222 to become a circulation passage of heat inside the cooking chamber 200.

Meanwhile, the front opening of the cooking chamber 200 is shielded by the door 300. The door 300 is connected to a rotatable connecting mechanism such as a hinge (Hinge) at the lower end of the electric oven (100). Therefore, the user is formed to be able to selectively open and close the door 300 by holding the handle 310 formed on the upper portion of the door 300 and push or pull forward or backward.

An electrical equipment chamber (not shown) is formed above the cooking chamber 200, and the front surface of the electrical equipment chamber is shielded by the control panel 500. One side of the control panel 500 is formed with a plurality of operation knobs 520 and operation buttons 540 for controlling the operation of the electric oven (100).

The electric oven 100 has a type in which each side except the front and the bottom is formed as a plate is exposed to the outside, there is a built-in type which is integrally installed in a sink or kitchen furniture without forming a plate for a separate appearance, The structure is formed the same except for the appearance.

5 is a perspective view showing a door in which a preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention is employed, and as shown in the drawing, the door 300 is formed in the quadrangle when viewed from the front, At the bottom (as seen in FIG. 5), a windshield 320 is formed which forms the front of the door.

The front glass 320 not only forms the front surface of the door 300 in a substantially rectangular plate shape, but also forms the outermost part of the front surface of the electric oven 100 while shielding the front surface of the cooking chamber 200. .

The windshield 320 is formed on the most front of the door 300 and exposed to the outside, so that the glass is hardly scratched, and the windshield 320 is specially used to improve the appearance as well as the protection of the windshield 320. It may also be coated.

In addition, a plurality of inner glass 330 are mounted to be spaced apart in parallel by a predetermined distance above the windshield 320 (see FIG. 5). At least one inner glass 330 is preferably formed, and in the preferred embodiment of the present invention, the first inner glass 330 ′ and the first inner glass 330 ′ formed above the front glass 320. It consists of a second inner glass (330 '') formed above.

The inner glass 330 is a reflective glass that reflects the heat inside the cooking chamber 200 from being transmitted to the outside. The inner glass 330 is formed in the shape of a square plate having a smaller size than the front glass 320 and the first inner glass ( 330 ′ and the second inner glass 330 ″ have the same size.

Side frames 340 are formed at both sides of the inner glass 330. The side frame 340 is fixed to the heat-resistant glass 350 from the side is installed while the surface contact in the longitudinal direction in both sides of the windshield 320, the side of the side frame 340, namely the On the side where the heat-resistant glass 350 is installed, a plurality of fixing pieces 342 to be described below are formed.

The fixing piece 342 maintains the gap between the inner glass 330 by mounting the inner glass 330 and prevents the left and right flow of the inner glass 330 while making surface contact with the windshield 320. Installed to engage.

Then, the handle 310 is formed long in the horizontal direction on the front upper portion of the windshield 320. The handle 310 is fixed by the handle fixing device 360 that penetrates the windshield 320 to allow the user to easily rotate the door.

The handle fixing device 360 is formed on each of the upper sides of the door 300, it is formed inside the side frame 340. The handle fixing device 360 includes an aluminum bush 362 and a screw 364. When the screw 364 is coupled to penetrate the aluminum bush 362, the handle 310 is connected to the handle 3360. It is coupled to the upper portion of the windshield 320.

In addition, the handle fixing device 360 is coupled to the handle 310 and at the same time to be fixed while penetrating the fixing bracket 400 to be described below. The fixing bracket 400 is formed to be fixed by the handle fixing device 360 to prevent the up and down flow of the inner glass 330 by fixing the inner glass 330 from above.

The heat-resistant glass 350 is mounted above the inner glass 330. The heat-resistant glass 350 is formed at the innermost side of the door 300 to seal the cooking chamber 200 and to be in direct contact with the cooking chamber 200 at a high temperature to suit the high temperature characteristics of the cooking chamber 200. It is formed so as not to break.

The heat resistant glass 350 is formed to be somewhat larger than the inner glass 330, and is bonded to the upper surface of the side frame 340 by silicon or the like, and is coupled to the edge of the coupling part and the heat resistant glass 350. In order to improve heat resistance and aesthetics, an opaque coating has a predetermined width.

On the other hand, the upper frame 370 is formed on the upper portion of the door 300, that is, the handle fixing device 360 is formed. The upper frame 370 is formed at the upper end of the side frame 340, it is formed long in the horizontal direction to the side of each side frame 340.

In addition, the upper frame 370 shields the upper end of the handle fixing device 360 and the fixing bracket 400, the inner glass 330 and the heat-resistant glass 350 formed on the upper portion of the door (300) It is formed to have a predetermined width so as to form the inner upper exterior of the 300, and is in close contact with the front plate 230 formed on the front of the electric oven 100 when the door 300 is closed.

Figure 6 is an exploded perspective view showing the coupling of the fixing bracket which is a main component of the preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention, as shown in the drawing, the front glass 320 and the fixing bracket 400 ) Is formed in turn and the handle fixing device 360 is installed so as to pass through the windshield 320 and the fixing bracket 400.

On the other hand, when looking at the fixing bracket 400 in more detail, the fixing bracket 400 is formed by bending a plate having a predetermined thickness a plurality of times while maintaining the inner glass 330 at a constant interval up and down the flow To prevent the, it is composed of a coupling portion 420 and the fixing portion 440.

The coupling part 420 is formed in a flat plate shape and is in surface contact with the upper surface of the windshield 320. In addition, a coupling hole 422 through which the screw 364 penetrates is formed in the coupling part 420, and the coupling hole 422 corresponds to the screw hole 322 of the front door 300. The screw 364 passes through both the coupling hole 422 and the screw hole 322.

In addition, a fixing part 440 extending upwardly to be perpendicular to the coupling part 420 is formed at one end of the coupling part 420. The fixing portion 440 is a portion for fixing the inner glass 330 so as not to flow up and down at a predetermined interval is formed in a substantially 'k' shape when viewed from the side.

The fixing part 440 includes a support plate 442 for supporting the inner glass 330 and an insertion groove 444 for receiving the inner glass 330.

The support plate 442 is to allow the inner glass 330 to be fixed while maintaining a predetermined interval, the vertical support plate 442a extending vertically upward from one end of the coupling portion 420, The upper support plate 442b formed to be bent forward from the upper end of the vertical support plate 442a, and the side support plate 442c bent forward from the bottom by the thickness of one of the inner glass 330.

The vertical support plate 442a serves to press upwards to prevent the inner glass 330 from flowing up and down, and has a length extending differently according to the thickness and the number of the inner glass 330. .

In addition, the upper support plate 442b serves to guide the glass which is formed on the uppermost side of the inner glass 330 so as not to shake, and is preferably formed to have the same width as the vertical support plate 442a.

The side support plate 442c is bent vertically forward from both side ends of the fixing part 440, and the interval between the inner glass 330 is adjusted according to the thickness of the side support plate 442c. The number of insertion grooves 444 is determined according to the number of side support plates 442c.

In the preferred embodiment of the present invention, two side support plates 442 are formed to form two insertion grooves 444. The insertion groove 444 accommodates an end portion of the inner glass 330 and is positioned above the first insertion groove 444 'and the first insertion groove 444' by the two side support plates 442c. The formed second insertion grooves 444 ″ are each formed.

The first inner glass 330 ′ is accommodated in the first insertion groove 444 ′, and the second inner glass 330 ″ is accommodated in the second insertion groove 444 ″. The width of the insertion groove 444 is formed to be approximately equal to the thickness of the inner glass 330 so that the accommodated inner glass 330 does not shake in the insertion groove 444.

Figure 7 is a perspective view showing the lower part of the door in which the preferred embodiment of the inner glass fixing structure of the electric oven door according to the present invention, as shown in the figure, that is, the inner surface of the side frame 340, that is, the interior A plurality of fixing pieces 342 are formed on the surface on which the glass 330 is mounted.

The fixing piece 342 is formed by slitting on the side of the side frame 340, the same as the thickness of the inner glass 330 to contact the upper and lower surfaces of each of the inner glass 330 They are staggered with each other at intervals.

That is, one fixing piece 342 is formed to be in contact with the upper surface of the inner glass 330, and another fixing piece 342 is formed to be in contact with the lower surface of the inner glass 330 in front of the predetermined distance. Is formed. In this case, the vertical distance between the fixing pieces 342 is formed at intervals of approximately the thickness of the inner glass, and this arrangement is repeated several times to prevent the shaking of the inner glass 330.

In addition, a lower end fixing piece 344 is formed at a lower portion of the side frame 340 in contact with a lower edge of the inner glass 330. The lower end fixing piece 344 contacts the lower end of the inner glass 330 while supporting the inner glass to prevent vertical flow of the inner glass 330 and the side like the fixing piece 342. Slitting is formed inside the frame 340.

However, in order to support the lower end of the inner glass 330, the slitting is bent in the horizontal direction differently from the fixing piece 342, all of the inner glass 330 by one lower end fixing piece 344 Will be supported.

Hereinafter, the operation of the inner glass fixing structure of the electric oven door according to the present invention having the configuration as described above.

When a user operates the electric oven 100 by operating the operation knob 520 and the operation button 540, power is applied to various heating devices mounted inside the cooking chamber 200, so that the cooking chamber 200 is operated. Heating the inside of the cooking chamber 200 is forced to convection in the cooking chamber 200 by the rotation of the convection pan 220 to heat the food inside the cooking chamber 200.

At this time, the heat generated inside the cooking chamber 200 is reflected by the inner glass 330 of the door 300 is hardly leaked to the outside.

On the other hand, when the mounting process of the inner glass to be mounted on the inside of the door, first, between the fixing piece 342 formed on the inner surface of the side frame 340 installed on both inner sides of the windshield 320 1 Put the inner glass 330 'and the second inner glass 330' 'in sequence.

At this time, the lower edge of each of the inner glass 330 is fitted to be in close contact with the lower end fixing piece 344 formed on the lower side of the side frame 340. Then, the fixing bracket 400 is coupled to the handle fixing device 360 for fixing the handle 310 to the windshield 320.

When the handle fixing device 360 is coupled through the coupling part 420 of the fixing bracket 400, the fixing bracket 400 is rotated based on the handle fixing device 360. Therefore, the fixing brackets 400 formed on both sides of the upper part of the door 300 are rotated downward, respectively, to the first insertion grooves 444 'and the second insertion grooves 444' 'formed in the fixing bracket 400, respectively. Corresponding first inner glass 330 'and second inner glass 330' 'are inserted.

The fixing bracket 400 rotates downward to closely contact the support plate 442 to the inner glass 330, and then fully tighten the screw 364 of the handle fixing device 360 to fix the bracket 400. Do not flow.

By this operation, the inner glass 330 is constrained by both side frames 340, and the upper and lower flows are constrained by the lower end fixing piece 344 and the fixing bracket 400 so as to be everywhere. Not only the flow but also the front and back shaking can be completely fixed.

After the inner glass 330 is mounted, the heat resistant glass 350 is mounted to be in contact with the side frame 340, and the upper end of the inner glass 330 and the heat resistant glass 350 and the handle fixing device 360 are fixed. The door 300 is formed by coupling the upper frame 370 to the side frame 340 to shield the bracket 400.

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, in the present invention, the fixing bracket 400 is formed by bending a metal plate, but if necessary, the insertion grooves 444 are formed to have the same thickness as the respective inner glass 330 and the support plate 442 is formed. It would be natural if possible to form plastic injection moldings or to form similar shapes with various materials.

In the inner glass fixing structure of the electric oven door according to the present invention as described in detail above, by forming a fixing bracket of a simple structure formed of a coupling portion and a fixed portion to prevent the flow of the inner glass to the inner glass in a simpler structure Being able to fix, the manufacturing cost of the components for constituting the inner glass is reduced and the production is also simple.

And, by fixing one side of the fixing bracket to the existing handle fixing device to rotate the fixing bracket, the inner glass is naturally inserted into the receiving groove of the fixing bracket by the rotation of the fixing bracket. By doing so, there is an effect that the operation of fixing the inner glass is quite easy.

Claims (4)

A windshield forming a front surface of the door; At least one inner glass formed at the rear of the windshield and reflecting heat of the door; A handle fixing device for fixing a handle formed on one side of the windshield; One side is fixed by the handle fixing device, the other side is the inner glass fixing structure of the electric oven door, characterized in that it comprises a fixing bracket for fixing the inner glass. The method of claim 1, wherein the fixing bracket, A coupling part coupled to the handle fixing device; The inner glass fixing structure of the electric oven door, characterized in that it comprises a fixing portion for fixing the inner glass. The method of claim 2, wherein the fixing unit, A support plate for supporting the inner glass; Is formed between the support plate, the inner glass fixing structure of the electric oven door, characterized in that it comprises an insertion groove for receiving the inner glass. The method of claim 3, wherein the insertion groove, The inner glass fixing structure of the electric oven door is formed in the same number as the number of the inner glass, accommodating one end of the inner glass.

Images