KR20090099813A - Microwave oven - Google Patents

Abstract

PURPOSE: A microwave oven is provided to reduce noise and damage to a door as a buffer part and a protrusion suppress the collision between a door and a floor in case a user carelessly opens a door. CONSTITUTION: A microwave oven comprises a main body(100), a door(120), a connection part(130), a buffer part(140), and a protrusion(150). Inside the main body, a housing(142) is formed. The door is coupled on the main body to be vertically rotated. The connection part is coupled on the door and is inserted into the main body. The connection part includes the buffer part. The buffer part elastically supports the connection part inside the main body in the open of the door. The buffer part comprises a housing, a movable member and an elastic member(146). The housing is formed inside the main body. The movable member is coupled on the housing to be moved and supports the connection part in the open of the door. The elastic member is accepted in the housing and elastically supports the movable member.

Description

Microwave {MICROWAVE OVEN}

The present invention relates to a microwave oven, and more particularly to a microwave oven having a vertical opening and closing door.

Various kinds of apparatuses have been proposed to date as heating apparatuses for heating foods. The most basic heating device is a container that is in direct contact with the heat source, the contents to be cooked in such a container can be cooked by applying heat to heat.

In addition, many types of cooking apparatuses that use electric energy directly or indirectly have been developed. As an example, a microwave oven using microwaves as a heating source may be mentioned. A microwave oven is a cooking apparatus that generates microwaves using electricity to infiltrate a cooking object accommodated in a cooking chamber and heats the cooking object by causing molecular motion therein.

A common microwave oven is a kitchen utensil that radiates high frequency of magnetron to food and heats the inside and outside at the same time, greatly reducing cooking time according to high thermal efficiency and reducing nutritional value during cooking, thawing and warming of food. It is possible to reduce the loss and is also widely used due to the advantages such as cooking the food directly in a container.

Such a microwave oven is usually provided with the door for opening and closing a cooking chamber. As the door provided in the microwave oven, left and right retractable doors, up and down retractable doors, sliding doors, etc. may be applied according to the opening and closing form.

1 is a perspective view schematically showing a microwave oven having a conventional vertical opening and closing door, Figure 2 is a side cross-sectional view of the microwave oven shown in FIG.

1 and 2, a microwave oven 1 having a vertically open / close door includes a door 11, a door lever 12, a support member 13, a roller member 14, and a coil spring. (15) is provided.

The door lever 11 is formed of a curved metal piece so as to perform the opening and closing operation of the door 11. According to this door lever 12, one end thereof is attached to the door 11, and the other end thereof is connected to the coil spring 15 fixed to the bottom surface of the microwave oven 1. As shown in FIG. The door lever 12 is seated on the roller member 14 to guide its movement, and the roller member 14 is rotatably supported by the support member 13.

According to the conventional microwave oven having a vertically opening and closing door, when the user inadvertently opens the door, the door hits the floor due to the weight of the door, a large noise is generated by the impact, the door is easily broken There is this. Therefore, there is a need for improvement.

The present invention has been made to improve the problems of the prior art as described above, to provide a microwave oven with an improved structure to reduce the occurrence of noise and damage caused by the collision of the door, regardless of the user's attention The purpose is.

Microwave according to the present invention comprises: a main body; A door coupled to the main body so as to be rotatable vertically; A coupling part coupled to the door and inserted into the main body; And a buffer part provided inside the main body and elastically supporting the connection part when the door is opened.

Here, the buffer unit, the housing provided inside the main body; A movable member movably coupled to the housing and supporting the connection part when the door is opened; And an elastic member accommodated in the housing to elastically support the moving member.

In addition, the connection portion, it is preferable that the protrusion is provided on one side facing the buffer portion.

According to the microwave oven of the present invention, unlike the prior art, even if the user inadvertently opens the door, by the buffering action by the shock absorbing portion and the protrusion, it is possible to suppress the rapid full opening of the door and thereby the collision between the door and the floor, Noise and door damage caused by the collision of the door and the floor can be significantly reduced.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a microwave oven according to the present invention. For convenience of description, the thicknesses of the lines and the size of the elements 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, the definitions of these terms should be made based on the contents throughout the specification.

3 and 4 are side cross-sectional views showing a part of a microwave oven according to an embodiment of the present invention.

First, referring to FIG. 3, a microwave oven 100 according to an embodiment of the present invention includes a main body 110, a door 120, a connection part 130, and a buffer part 140.

The main body 110 includes a cavity 112 and an outer case (not shown). Inside the cavity 112, a cooking chamber (not shown) is formed. In addition, one side of the main body 110 is provided with an electric field chamber (not shown) provided with a magnetron (not shown), a high pressure transformer (not shown), and the like for irradiating high frequency inside the cooking chamber. Since the configuration and operation of the main body 110 is similar to that of a general microwave oven, a detailed description thereof will be omitted.

The door 120 is provided in the open front surface of the main body 110. The door 120 is provided to open and close the cooking chamber and is rotatably coupled to the main body 110 in a vertical direction. That is, the door 120, the lower portion is hinged to the lower portion of the cavity 112, and rotates up and down around the hinge-coupled lower portion, thereby opening and closing the cooking chamber.

The connection part 130 is provided such that one side thereof is inserted into the main body 110 through the cavity 112 and the other side thereof is coupled to the door 120. In the accompanying drawings, only the connection part 130 provided on one side of the door 120 is shown for convenience, but the connection part 130 may be provided on both left and right sides of the door 120, respectively. In this case, the connecting portion 130 provided on one side of the door 120 is in the space formed between the cavity 112 and the outer case, the connecting portion 130 provided on the other side of the door 120 is to be provided in the electrical equipment room, respectively. This may be the same as the spring member 114, the roller member 116, the buffer 140, the protrusion 150, and the like, which will be described later.

Such a connection portion 130, one side inserted into the main body 110 is formed in a substantially "b" shape, one side of the connection portion 130, the spring member 114 is coupled. The spring member 114, one side thereof is coupled to the cavity 112, the other side thereof is coupled to one side of the connecting portion 130. The spring member 114, when the door 120 is opened, provides a tensile force to the connecting portion 130 to suppress the sudden opening of the door 120 to some extent, and at the same time to facilitate the closing of the door 120 It plays a role.

Then, the lower portion of the connecting portion 130 is provided with a roller member 116 rotatably, and serves to guide the movement of the connecting portion 130 while supporting the connecting portion 130 from the bottom.

The shock absorbing part 140 is provided to elastically support the connection part 130 when the door 120 is opened. The buffer unit 140 is provided inside the main body 110, and includes a housing 142, a moving member 144, and an elastic member 146.

The housing 142 is provided to be coupled to the front surface of the inside of the body 110, more specifically, the cavity 112. The housing 142 may be formed in a cylindrical or polyhedral shape with one surface facing one side of the connecting portion 130 opened.

The moving member 144 is movably coupled to the housing 142. The moving member 144 is provided to protrude from an open surface of the housing 142 to support one side of the connecting portion 130 when the door 120 is opened.

The elastic member 146 is accommodated in the inner space of the housing 142 formed by the housing 142 and the moving member 144. The elastic member 146 is provided to elastically support the moving member 144 in one direction of the connecting portion 130. As an example of such an elastic member 146, a coil spring may be applied.

On the other hand, one side of the connection portion 130 facing the buffer 140, the protrusion 150 may be further provided. The protrusion 150 contacts or collides with the moving member 144 of the shock absorbing part 140 when the door 120 is opened, thereby providing a shock absorbing force to the door 120 together with the shock absorbing part 140.

Hereinafter, an operation relationship of the microwave oven according to an embodiment of the present invention will be briefly described with reference to FIG. 4.

As shown in FIG. 4, when the door 120 is opened, the connecting portion 130 coupled to the door 120 also moves together. When the door 120 is opened to some extent not fully open, the protrusion 150 provided at one side of the connection part 130 collides with the moving member 144 of the buffer part 140.

As such, the impact generated when the protrusion 150 collides with the moving member 144 is buffered by the elastic member 146, and the opening speed of the door 120 that is opened is significantly reduced. In particular, when the collision distance between the buffer unit 140 and the protrusion 150 is reduced by using the variable length protrusion 150, the buffer unit 140 provides a greater buffering force. Accordingly, even when the door 120 is completely open and touches the floor, only a light contact occurs without major collision with the floor.

According to the microwave oven of the present embodiment, even if the user inadvertently opens the door 120, due to the buffer action by the shock absorbing portion 140 and the protrusion 150, the rapid full opening of the door 120 and thus the door Since the collision between the 120 and the floor is suppressed, there is an effect of significantly reducing the occurrence of noise and damage to the door 120 due to the collision between the door 120 and the floor.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is a perspective view schematically showing a microwave oven having a conventional vertical opening and closing door.

2 is a side cross-sectional view of the microwave oven shown in FIG. 1.

3 and 4 are side cross-sectional views showing a part of a microwave oven according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: microwave oven 110: main body

112: cavity 114: spring member

116: roller member 120: door

130 connection part 140 buffer part

142: housing 144: moving member

146: elastic member 150: protrusion

Claims (3)

main body; A door coupled to the main body so as to be rotatable vertically; A coupling part coupled to the door and inserted into the main body; And The microwave oven is provided in the main body, and includes a buffer for elastically supporting the connecting portion when the door is opened. The method of claim 1, wherein the buffer unit, A housing provided inside the main body; A movable member movably coupled to the housing and supporting the connection part when the door is opened; And And an elastic member accommodated in the housing to elastically support the moving member. The method of claim 1, The connecting portion, the microwave oven, characterized in that the protrusion is provided on one side facing the buffer portion.

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