KR200217748Y1 - Deflection prevention device of microwave door - Google Patents

Abstract

The present invention relates to a deflection prevention device of a microwave oven door, the purpose of which is to provide a locking projection on the side of the door adjacent to the control panel, and to provide a locking groove on the side of the corresponding control panel to close the door It is to provide a deflection prevention device of the microwave door when the lower deflection of the door is prevented.

The present invention is a case in which a cooking chamber having one side opened therein, a door having one end hinged rotatably to the case so as to open and close an opened side of the cooking chamber, installed in the case so as to be adjacent to the other end of the door. The control panel, which is opened to the cooking chamber side and the control panel side on the side facing the control panel of the door, the locking groove is provided with the upper and lower sides closed, protruding from the side of the control panel to be inserted into the locking groove As it is equipped with a locking projection, it does not use a separate means to prevent the door from sagging during packaging, thereby reducing the cost and waste generated by the reduction of the packaging process and the non-use of packaging materials, and the door of the door due to long-term use. There is an advantage that can prevent sag.

Description

Deflection prevention device of microwave door

The present invention relates to a microwave oven, and more particularly, to a sagging prevention device of a microwave oven provided with a locking groove and a locking projection in the door and the control panel to prevent the sagging of the door.

In general, a microwave oven is a device for cooking a cooked material by a dielectric heating method using a high frequency of approximately 2,450MHz, the cooking chamber is provided inside the case forming the appearance, the front of the cooking chamber can accommodate the cooked material. So that the door is installed.

1 is a perspective view showing such a conventional microwave oven. As shown in the case 10, a cooking chamber (not shown), which is a space formed to accommodate food, and an electrical equipment room 30, which is a space formed to install electrical equipment, are partitioned.

The cooking chamber (not shown) is provided on the left side of the case 10. The cooking chamber (not shown) is opened to form an entrance to accommodate the workpiece, and the door 50 is rotated to the case 10 in front of the opened side. It protrudes so that it can be combined.

The electrical equipment room 30 is provided on the right side of the cooking chamber (not shown), and a high-voltage power is applied to the magnetron 31 and the magnetron 31 which radiate high frequency into the cooking chamber (not shown) and irradiate the cooking chamber (not shown). Electric equipment such as a high voltage transformer 32 and a high pressure capacitor 33 are installed, and a blower fan 34 is installed at the rear to force convection of outside air into the cooking chamber (not shown) to supply the magnetron 31 and the high voltage transformer ( Cool the heat generated during the operation of 32). And a control panel 60 is installed on the front of the electrical equipment room 30 to operate the microwave.

The control panel 60 is formed to protrude toward the front of the electrical equipment compartment 30, the front surface of which is formed almost coincident with the front surface of the door 50 provided on the left side. In addition, an open button 61 is provided at the lower end of the front surface to open the door 50, and a plurality of operation buttons 62 are provided at the upper end thereof to manipulate the operation of the microwave oven.

Such a microwave oven is packaged outside after manufacture, and shipped as a product. At this time, the right side of the door 50 provided at the free end adjacent to the control panel 60 sags downward due to vibration or external impact. Opening and closing of the cooking chamber (not shown) is not smoothly performed. In order to prevent this, a seating member 70 is provided between the door 50 and the control panel 60 to prevent the sag of the door 50 from being corrugated.

That is, the lower side deflection of the door 50 means that the right side of the door 50 provided adjacent to the control panel 60 sags downward, and the right side of the door 50 facing the control panel 60 faces the same. To the left side of the control panel 60. At this time, the seating member 70 is in close contact with the control panel 60 side by the right side of the door 50 to prevent the right side of the door 50 from inclining any longer while being crimped for a predetermined value, and thus, sagging of the door 50. To prevent.

In addition, in order to fix the seating member 70, the tape 71 is adhered to a portion where the upper surface of the door 50, the control panel 60, and the case 10 face each other, and the door 50 is disposed below the door 50. The tape 71 is bonded to the control panel 60 and the case 10 facing the lower surface of the case 10. That is, the tape 71 is bonded to the upper and lower sides of the door 50 and the control panel 60 facing each other.

However, such a conventional microwave oven uses a mounting member and a tape to prevent the lower side of the door from sagging, thereby increasing the production process and the cost. In addition, the seating member and the tape are used only at the time of packaging, and thus become environmental wastes when the packaging is dismantled. In addition, there is no problem that the sag of the door is expected to be used for a long time because there is no other means that can prevent the sag of the door when using the microwave.

The present invention is to solve this problem, the purpose of the present invention is to provide a locking projection on the side of the door adjacent to the control panel, and to provide a locking groove on the side of the control panel corresponding to the door to close It is to provide a deflection prevention device of the microwave door when the lower deflection of the door is prevented.

1 is a perspective view showing a conventional microwave oven.

2 is a perspective view showing a microwave oven according to the present invention.

3 is a cross-sectional view showing a locking groove and a locking protrusion when closing the microwave door according to the present invention.

Figure 4 is a longitudinal cross-sectional view showing a locking groove and the locking projection when the microwave door closing according to the present invention.

Explanation of symbols on the main parts of the drawings

110: case 120: cooking room 130: electrical equipment room

140: hinge 150: door 160: control panel

180: jam projection 190: jam groove 191: jam jaw

The present invention for achieving the above object is a case in which the cooking chamber is opened at one side, the door is one end hinged to the case so as to open and close the opened side of the cooking chamber, the other of the door In the microwave oven having a control panel installed in the case so as to be adjacent to the end, the side facing the control panel of the door is provided with a locking groove that is open to the cooking chamber side and the control panel side, the upper and lower sides are closed, It characterized in that the locking projection protruding on the side of the control panel is provided to be inserted into the locking groove.

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

2 is a perspective view showing a microwave oven according to the present invention. Figure 3 is a cross-sectional view showing a locking groove and a locking projection when closing the microwave door according to the present invention, Figure 4 is a longitudinal cross-sectional view showing a locking groove and a locking projection when closing the microwave door according to the present invention. As shown in the drawing, the microwave oven according to the present invention is provided with a main body constituting an appearance, and the inside of the main body is divided into left and right sides to irradiate high frequency to the cooking chamber 120 and the cooking chamber 120 to accommodate food. The electrical equipment room 130 in which the electrical equipment for the installation is provided.

First, the cooking chamber 120 is provided on the left side of the case 110, and the front side is opened to accommodate an object, thereby forming an inlet, and a cooking plate 121 for rotating the object is provided therein. It is provided to be rotatable.

In addition, the electrical equipment room 130 is provided on the right side of the cooking chamber 120 and oscillates a high frequency in the cooking chamber 120 to apply a high voltage power to the magnetron 131 and the magnetron 131 irradiated to the cooking chamber 120. Electric equipment such as a high pressure transformer 132 and a high pressure capacitor 133 are installed, and a blower fan 134 is installed at the rear to force convection of outside air into the cooking chamber 120 to supply the magnetron 131 and the high pressure transformer 132. Cool the heat generated during operation.

On the other hand, the door 150 and the control panel 160 provided in front of the cooking chamber 120 and the electrical equipment compartment 130 as a characteristic component of the present invention, a pair of locking grooves 190 and the protrusion corresponding to each other The door deflection prevention device for preventing the deflection of the door 150 is provided. This will be described in detail as follows.

First, the door 150 is provided in front of the open cooking chamber 120 to open and close the cooking chamber 120, and is rotatably coupled to the hinge 140 installed at the upper left and lower ends of the case 110. It is installed to protrude so as to open and close the cooking chamber 120, the left side is provided with a fixed end fixed to the hinge 140, the right side is provided with a free end rotated around the hinge 140.

In addition, the inner surface facing the cooking chamber 120 on the right side provided at the free end is provided with a latch 151 to be able to flow up and down. The clasp 151 is installed in a pair of upper and lower and is operated at the same time is elastically supported downward due to the spring provided therein. In addition, a pair of clasp grooves 111 are provided on the front of the case 110 corresponding thereto. The clasp groove 111 is provided with a fastener (not shown) to be coupled to or separated from the clasp 151 inserted into the fastener (not shown) is provided to be elastically supported by the spring to the upper side. That is, the up and down flow clasp 151 and the fastener (not shown) is installed so that the clasp 151 and the clasp groove 111 may have a binding force in the rotational direction when the door 150 is opened or closed, but the door ( 150) is provided so that it can not be supported upward.

In addition, the locking groove 190 is provided on the right side of the door 150. The locking groove 190 is formed integrally with the door 150 by opening the side and the rear surface so that the door 150 is not visible from the outside when the door 150 is closed. That is, the upper and lower sides of the door 150 are closed by the latching jaw 191 extending from the upper side and the lower side of the door 150, the right side and the cooking chamber 120 are formed to be opened inward, The right side of the door 150 is provided to be stepped inward by closing the upper and lower sides.

The control panel 160 is provided with various buttons to operate the microwave oven on the front of the electrical equipment compartment 130, and is formed to protrude toward the front of the electrical equipment compartment 130, the front door is provided on the left side It is formed to almost coincide with the front surface of 150. In addition, an opening button 161 for opening the door 150 is provided at a lower end of the front surface by adjusting a clamp (not shown) provided in the locking groove 190 so that the cooking chamber 120 is opened. A plurality of operation buttons 162 for operating the operation are provided.

The locking protrusion 180 protrudes from the left side of the control panel 160 facing the right side of the door 150 to protrude to the right and to be inserted into the locking groove 190. The locking protrusion 180 is provided integrally with the control panel 160, and is provided to be thinner than the thickness of the control panel 160 protruding toward the front of the case 110 and formed toward the cooking chamber 120. It is provided to be in close contact with the front of the case 110. In addition, the length of the upper and lower sides is provided to substantially match the length between the upper and lower locking jaws 191 of the locking groove 190 so as to correspond to the locking groove 190. At this time, when the length of the locking protrusion 180 is greater than the vertical length of the locking projection 191, the locking protrusion 180 is not inserted into the locking groove 190 so that the door 150 cannot be closed. It is preferable that a little smaller than between the jaw 191.

The operation of the microwave oven provided with the locking groove 190 and the locking protrusion 180 is as follows. When the door 150 is rotated around the hinge 140 to close the cooking chamber 120, the locking protrusion formed on the left side of the control panel 160 is located inside the locking groove 190 provided in the door 150. 180 is inserted. That is, the locking protrusion 180 is inserted between the locking jaws 191 provided at the upper and lower sides of the locking groove 190. As a result, the upper and lower side surfaces of the locking protrusion 180 face the inner surface of the locking jaw 191. In particular, the upper surface of the locking jaw 191 provided on the lower surface and the lower side of the locking protrusion 180 is formed of the door 150. When sag occurs, the sag is in close contact with each other to prevent sagging of the door 150. Since the locking protrusion 180 is covered with the upper and lower sides and the front side by the locking groove 190 when the door 150 is closed, the locking protrusion 180 cannot be seen from the outside.

The microwave oven configured as described above is packaged outside and manufactured and shipped as a product. In this case, the door 150 is prevented from sagging by the locking groove 190 and the locking protrusion 180, so that the door 150 is sagging. Means of not being needed. In addition, it is possible to prevent sagging of the door 150 even when using a microwave oven.

As described in detail above, the microwave oven according to the present invention, to prevent the sag of the door, by providing a locking groove and a locking projection on the surface facing each other of the door and the control panel to separate the sagging prevention during packaging Since the means are not used, the packaging process is reduced, and the use of packaging materials reduces the cost and waste generation. In addition, the sagging of the door due to long-term use of the microwave oven can be prevented. As a result, it is possible to reduce production costs and reduce environmental pollution, and improve the reliability of the microwave oven.

Claims (1)

A case 110 having a cooking chamber having one side opened therein, a door 150 rotatably coupled to the front surface of the case through a hinge 140 to open and close the cooking chamber 120, and the door 150. In the microwave oven having a control panel 160 which is installed in front of the case 110 so as to be adjacent to the other end of the, On one side of the control panel 160 adjacent to the other end of the door 150 is provided with a locking projection 180 to protrude in the vertical direction, At the other end of the door 150, the locking groove 190 is formed to be concave in the vertical direction so that the locking protrusion 180 is inserted when the door 150 is closed, and the upper and lower sides of the locking groove 190 are closed. It is formed and the stopping projection of the microwave door, characterized in that the locking projection 191 is formed in contact with the upper and lower ends of the locking projection 180 to prevent the sagging of the door 150.