KR100712268B1 - Microwave oven range - Google Patents

Abstract

An invention is disclosed for a microwave oven in which a door is opened and closed differently. The disclosed invention is characterized in that in a microwave oven having a body and a door coupled to the body, the door is rotated along a plane parallel to the door surface and hinged to the body to open and close the body.

The present invention is different from the conventional method of opening the door of the microwave oven in front of the door by rotating the door parallel to the door surface can take out food in a minimum space even when the space in front of the microwave is narrow or there is an obstacle Provide a microwave.

Microwave, Opening Door, Door

Description

Microwave oven {MICROWAVE OVEN RANGE}

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

Figure 2 is a front view showing a closed state of the door of the microwave oven according to the present invention.

3 is a side view showing the coupling device of FIG.

Figure 4 is a front view showing a state in which the door of the microwave oven according to the present invention opened.

5 is a side view illustrating the coupling device of FIG. 4.

<Explanation of symbols on main parts of the drawings>

100: main body 150: door

170: door coupling portion 171: handle portion

172: elastic member 173: rotary lever

120: body coupling portion 121: coupling lever

122: microswitch 110: switchgear

190: hinge part

The present invention relates to a microwave oven, and more particularly to a microwave oven with a different opening and closing method of the door.

In general, a microwave oven is a cooking apparatus capable of cooking food using microwaves in a short time, and microwaves generated from a magnetron to which high voltage is applied are irradiated into the food inside the cooking chamber through a waveguide. By vibrating the water molecules contained in the food to generate heat energy, the food is heated and cooked therein.

Such microwave ovens can cook various foods in various ways by appropriately adjusting the microwave output and the time that the microwave is irradiated to the food, and also to heat the already cooked food or to melt the frozen food. Can be used.

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

As shown in the drawing, the microwave oven includes a cabinet 10 having a cooking chamber 10a having a front surface open therein, an outer panel 20 and a cooking chamber 10a installed to surround the outside of the cabinet 10. A door 30 for opening and closing the opened front and an operation panel 40 for setting various cooking conditions and for turning on or off the microwave oven.

The tray 50 is placed on the bottom surface of the cabinet 10 to place the food to be cooked, and a motor (not shown) for rotating the tray 50 is installed below the tray 50.

In addition, the side of the cooking chamber 10a of the cabinet 10 includes an apparatus chamber 10b, and a high voltage is applied to the magnetron 61 and a high voltage condenser (not shown) that generate microwaves, and the magnetron 61 and the high voltage capacitor. Devices such as a high pressure transformer (not shown) to be applied and a cooling fan 64 are provided in the device chamber 10b.

Here, the magnetron 61 for generating microwaves is mounted on an upper sidewall of one side of the cooking chamber 10a of the cabinet 10 through the waveguide 65. A communication hole (not shown) for communicating the inside of the cooking chamber 10a and the waveguide 65 is formed at one sidewall of the cooking chamber 10a to which the waveguide 65 is attached.

In the conventional microwave oven configured as described above, food is placed in the tray 50 placed on the bottom surface of the cooking chamber 10a, and then the operation panel 40 is operated to set cooking conditions and operate the microwave oven. When the operation starts, microwaves are generated in the magnetron 61 by the high voltage applied from the high voltage transformer 63, and the microwaves are guided into the cooking chamber 10a through the waveguide 65 and placed in the tray 50. Irradiated foods. At this time, the food 50 placed in the tray 50 is evenly heated by the tray 50 is rotated at a constant speed by the motor.

On the other hand, the door 30 of the microwave oven as described above is generally located in front of the main body, is hinged to one side of the outer panel 20. Since the axis of the hinge coupling is located from the upper side to the lower side of the microwave oven and is located on the side surface of the door 30, when the door 30 is opened, the shaft is rotated toward the front of the microwave oven about the side surface of the microwave oven 30. Open.

However, when the door 30 is opened as described above, since the length of the door 30 protruding to the front is considerable and occupies a lot of space, there is not much free space in the kitchen, and thus the microwave oven should be installed in a narrow space. It was very difficult to open and close the door 30, it was inconvenient to put food in and out of the cooking chamber.

In the case of a multi-functional microwave oven, the internal temperature of the cooking chamber increases considerably when the cooking of the grill by the heater and the cooking of the oven by the convection fan are performed in the cooking chamber. Heavy heat-resistant glass is installed on the inner side of the door screen. Therefore, the weight of the door 30 is considerably heavy, and in the state of the conventional microwave oven, when such a heavy door 30 is opened, the door is opened in such a state because a considerable weight of the door acts as a significant load on the hinge shaft 31. As long as the 30 is used for a long time, the door 30 is inclined to one side.

The present invention was created by the necessity as described above, it is possible to open and close even in a narrow space in front of the microwave oven, to provide a microwave oven that can take out food in a minimum space even when there is an obstacle in front of the There is a purpose.

In addition, an object of the present invention is to provide a door of a microwave oven that can prevent the door is supported on the floor when the door is opened to prevent the door from tilting to one side due to the weight of the door.

A microwave oven according to the present invention is a microwave oven having a main body and a door coupled to the main body, wherein the door is rotated along a plane parallel to the door surface and hinged to the main body to open and close the main body. do.

In addition, the present invention is a cushioning material for absorbing the impact of the floor and the door, when the door is mounted on the side of the support base on the floor when the door is fully open,

It is preferable to further include an opening and closing device having a door coupling portion provided in the door and the body coupling portion provided in the main body so that the door coupling portion is fixedly coupled and released so that the door is rotated or fixed from the main body when opening and closing.

The main body coupling portion, a coupling lever rotatably provided so that the door coupling portion is fixedly coupled, when the door is closed to interfere with the rotation lever to detect the closing of the door and interference with the rotation lever when the door is opened It is preferable to include a micro switch that is released to detect the opening of the door.

The door coupling portion, the handle portion is fixedly coupled to the door and the rotating lever is rotatably installed around a point on the door to be fixed and coupled to the main body coupling portion to press the rotary lever toward the main body coupling portion. It is preferable to include an elastic member installed between the handle portion and the rotary lever so that the rotary lever is coupled to the body coupling portion.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of a microwave oven according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

Figure 2 is a front view showing a closed state of the microwave oven door according to the invention, Figure 3 is a side view showing the opening and closing device of FIG.

4 is a front view showing an open state of the door of the microwave oven according to the present invention, Figure 5 is a side view showing the opening and closing device of FIG.

2 and 4, the microwave oven according to the present embodiment has a hinge portion 190 to which the door 150 and the main body are coupled to the lower left side of the door 150, so that the door is formed around the hinge portion 190. 150 is rotated along a plane parallel to the surface of the door 150 to open and close the body. At this time, the handle 171 is fixedly installed on the right side of the door 150 to apply a force to the door 150. In addition, when the door 150 rotates along a plane parallel to the surface of the door 150 and is fully opened, the shock absorbing material 180 mounted on the side surface of the door 150 impacts the door 150 and the floor. Will absorb.

The installation position of the cushioning material 180 and the handle 171 may be changed according to the structure of the microwave oven.

3 and 5, the door coupling part 170 includes a handle part 171, a rotation lever 173, and an elastic member 172. The handle 171 receives a force for rotating the door 150 and is fixedly installed on the right side of the door 150. Rotating lever 173 positioned over the outside of the door 150 and the inside of the door 150 around one point inside the door 150 is connected to the handle portion 171 and the elastic member 172, The elastic member 172 allows the rotation lever 173 to be pulled toward the handle portion 171 and also to be restored to its original position. The body coupling part 120 is installed inside the main body at a position corresponding to the door coupling part 170, and when the rotary lever 173 is inserted, the coupling lever 121 is installed to be lowered by interference, and There is a micro switch 122 installed below the coupling lever 121 to detect whether the opening and closing.

Referring to the process of opening and closing the door of the microwave oven through the above device as follows.

When the door 150 is opened, when the rotary lever 173 in the door coupling part 170 is pulled by the handle part, the rotary lever 173 inserted into the main body coupling part 120 is lifted up and the door 150 is lifted. Is separated from the body. At the same time, the coupling lever 121, which was rotated downward under pressure due to the insertion of the rotary lever 173, is also lifted up. At the same time, due to the interference of the coupling lever 121, the button of the microswitch 122, which was pressed, is released and senses that the door 150 is opened.

As described above, when the door 150 is released from the main body, the handle 171 is rotated in parallel to the surface of the door 150 by applying a predetermined force to the door 150 to open the door 150. In the present embodiment, when the door 150 is fully opened, the door 150 is rotated about 90 degrees to prevent the side of the door from being supported by the floor and the collision between the door and the floor due to the cushioning material 180.

When the door 150 is closed, the door 150 is rotated clockwise about the hinge 190. Since the door 150 is rotated quickly by gravity if only a predetermined angle is rotated, the door 150 can be closed without additional force thereafter. At this time, by applying a force opposite to the moving direction to the handle portion 171 to adjust the speed of the door 150, the door 150 can be safely closed. When the door 150 is completely closed, when the rotary lever 173 is released, a portion in front of the rotary lever 173 is inserted into the main body coupling part 120 to lower the coupling lever 121 and the coupling The button of the micro switch 122 is pressed by the lever 121 to detect that the door 150 is closed.

According to the present invention, since the door 150 of the microwave oven can be rotated in parallel to the surface of the door 150, the door 150 can be erected to the side. In contrast, even when there is an obstacle in front of the door 150, food can be taken out to a minimum space, and when the door 150 is opened, the door 150 is supported on the floor to prevent the door 150 from tilting. .

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand. In addition, in the above embodiment, the hinge part is installed at the lower left side to open the door by rotating it counterclockwise, but this is merely an example, and any position may be installed. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

As described above, the microwave oven according to the present invention, unlike the conventional invention, rotates the door of the microwave oven in parallel to the door surface, thereby eliminating the need for a space in front of the door occupied when the door is opened, thereby reducing food to a minimum. I can take it out.

In addition, the present invention can prevent the inclination of the door by being supported on the floor when the door is fully opened.

In addition, the present invention can be opened and closed to give a lot of force when closing the door that was opened to the front of the door and at this time, unlike the conventional invention in which the door hits the main body to make noise can close the door with less force using gravity The speed of the door can be adjusted to eliminate noise.

Claims (5)

In a microwave oven having a main body and a door coupled to the main body, And the door is rotated along a plane parallel to the door surface and hinged to the main body to open and close the main body. The method of claim 1, And a cushioning material mounted on the side of the door to absorb the shock caused by the door hitting the floor when the door is opened. The method of claim 1, A door coupling part provided in the door so that the door is rotated or fixed from the main body when opened and closed; And And an opening and closing device having a main body engaging portion provided in the main body such that the door engaging portion is fixedly coupled and disengaged. The method of claim 3, wherein The main body coupling portion, a coupling lever rotatably installed around a point so that the door coupling portion is fixedly coupled, and when the door is closed to interfere with the coupling lever to detect the closing of the door and the coupling when the door is opened Microwave switch for detecting the opening of the door by the interference with the lever is released. The method of claim 3, wherein The door coupling portion, the handle portion fixedly coupled to the door; A rotating lever rotatably installed at one point on the door to be fixedly coupled to and released from the main body coupling unit; And And an elastic member installed between the handle part and the rotary lever such that the rotary lever is pressed toward the main body coupling part such that the rotary lever is coupled to the main body coupling part.

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