KR20000003782U - Microwave - Google Patents

Abstract

The present invention relates to a microwave oven, the microwave oven of the present invention forms the appearance and the cooking chamber and the electric compartment inside the body, the operation unit case installed on the front of the main body, the locking step formed on the inner end of the case, so that the locking step is coupled It has a coupling hole formed in the front of the main body, the locking jaw has a locking portion extending to one side and a protrusion extending protruding upward and downward of the end of the locking portion, the coupling hole is inserted and the insertion portion is fitted with the locking portion and the protrusion It extends to the side of the part, and the case is provided with a fitting portion so that the locking portion is fitted when moved to the side. In such a microwave oven according to the present invention, since the coupling and separation of the operation unit case coupled to the front of the main body is made of lateral coupling and lateral separation, it is not affected by the installation state of the decoration and the electrical equipment installed up and down inside the case. Since it can be easily combined and separated, there is an advantage that the separation of the operation unit for repair work after shipment of the product can be easily performed.

Description

Microwave

The present invention relates to a microwave oven, and more particularly, to an operation unit of the microwave oven improved the installation structure of the operation unit provided on the front for the operation of the microwave oven.

In general, a microwave oven is a cooking appliance that cooks food as heat generated by molecular vibration of food molecules caused by scanning high-frequency of 2450MHz scanned by a magnetron into food.

In a conventional microwave oven, as shown in FIG. 1, a main body 10 having a cooking chamber 12 for cooking therein and an electrical equipment chamber 14 in which electrical equipment is installed is partitioned by a partition wall and a main body 10 of the main body 10. The cover 11 is coupled to the upper side.

In the cooking chamber 12, the front is opened and the door 13 is provided at this opening surface, and the electrical equipment such as the high pressure transformer 15, the magnetron 16, and the high pressure capacitor 17 is installed in the electric chamber 14. do. In addition, a heat dissipation fan 18 is provided inside the rear side of the electric compartment 14 to dissipate heat of various electric appliances installed in the electric compartment 14.

On the other hand, the operation unit 20 for operating the microwave oven is installed on the right side of the door 13 in front of the main body 10. This operation part 20 is provided with the case 23, the printed circuit board (not shown) provided in the inside of this case 23, and the several operation button 22. (refer FIG. 2).

And both sides of the operation unit 20, the case 23 is formed with a latching jaw (24) having a bent portion (24a) protruded inwardly to the inner side, the operation unit 20 of the main body 10 is installed In the mounting surface, the middle part is opened in a square so that the printed circuit board and other fittings are inserted and inserted, and the insertion hole through which the latching jaw 24 of the case 23 is inserted into both sides of the opening portion is inserted. 10a is formed.

Therefore, when the case 23 is installed, the locking jaw 24 is inserted into the insertion hole 10a and pushed downward, so that the bent portion 24a of the locking jaw 24 is engaged with the end of the insertion hole 10a and the coupling is completed. (See Fig. 3 (a) and (b).)

Therefore, in order to combine the operation unit 20 case 23, a separate space for vertical flow of the operation unit 20 is required at the front of the microwave oven. When the electrical equipment is installed on the upper part of the prepared electrical equipment, since the electronic device is completely disassembled, the case 23 of the operation unit 20 must be lifted up and then disassembled.

The present invention is to solve the problems of the conventional microwave oven described above, an object of the present invention is to improve the structure of the engaging jaw of the operation unit case and the front of the main body structure so that the case is coupled to the side disassembly and assembly of the operation unit It is to provide a microwave oven to facilitate.

1 is a perspective view showing a conventional microwave oven.

Figure 2 is an enlarged perspective view showing the operation portion detachable structure of a conventional microwave oven.

3 (a) and 3 (b) are operating state diagrams illustrating a conventional operation unit detachable state.

Figure 4 is a perspective view of a microwave oven according to the present invention.

5 is an enlarged perspective view illustrating a detachable structure of the operation unit of the microwave oven according to the present invention.

6 (a) and 6 (b) are operating state diagrams illustrating a conventional operation unit detachable state.

* Description of the symbols showing the main parts of the drawings *

100 ... body 110 ... insertion hole

110a ... insertion 110b ... fitting

120 cover 130 cooking chamber

140 ... door 180 ... heat sink

200.Control panel 230 ... Case

240 ... engaging jaw 240a ... catching section

240b ... protrusion

In order to achieve the above object, the present invention forms an appearance and a main body having a cooking chamber and an electric chamber inside, an operation unit case installed at the front of the main body, a locking step formed at an inner end of the case, and the locking step to be coupled to the main body. In the microwave oven having a coupling hole formed in the front of the, the latching jaw has a locking portion extending to one side and the protrusion extending protruding upward and downward of the end of the locking portion, the coupling hole is the locking portion and the protrusion It is characterized in that it is provided with an insertion portion to be fitted together and extending to the side of the insertion portion is provided with a width smaller than the width of the insertion portion is provided with a fitting portion to be fitted to the engaging portion when the case is moved to the side.

And the insertion portion is formed to extend up and down, the fitting portion is characterized in that it extends laterally from the middle portion of the insertion portion has a width smaller than the width of the fitting portion.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the drawings.

Figure 4 is a perspective view showing a microwave oven according to the present invention, Figure 5 is an enlarged perspective view showing the operation unit detachable structure of the microwave oven according to the present invention. And (a) and (b) of Figure 6 is an operating state diagram showing a conventional operation unit detachable state.

As shown in FIG. 4, the microwave oven of the present invention includes a rectangular main body 100 forming an appearance and a cover 120 covering an upper portion of the main body 100.

In the main body 100, a cooking chamber 130 in which a door 140 for opening and closing a front surface is installed, and an electrical equipment chamber 150 in which various electrical appliances are installed are partitioned by a partition wall.

First, the electric chamber 150 is provided with a magnetron 170 for oscillating high frequency and a high voltage transformer 160 and a high voltage capacitor 180 for applying a high voltage to the magnetron 170. A heat dissipation fan 190 for dissipating heat of 160 is installed.

On the other hand, the operation unit 200 for the operation of the microwave oven is installed on the right side of the door 140 of the microwave oven main body 100 of the present invention. This operation part 200 is provided with the rectangular case 230, the printed circuit board (not shown) provided in the inside of this case 230, and the several operation button 220. (refer FIG. 5).

And each of the two sides of the operation unit 200, case 230 is formed with two "T" shaped locking projections protruding inward on each of the right end and the left end. The locking jaw 240 is provided with a locking portion 240a protruding from the inner end of the case 230 and a protrusion 240b extending up and down from an end of the locking portion 240a.

In addition, the installation surface of the main body 100 on which the operation part 200 is installed is provided with a middle part opening in a square so that a printed circuit board (not shown) and other electrical equipments can be inserted and installed at both sides of the opening part. An insertion hole 110 through which the locking step 240 of the case 230 is inserted and caught is formed.

The insertion hole 110 is formed in a "T" shape. In addition, the insertion hole 110 is inserted into the insertion portion (110a) and the insertion portion (110a) provided with a width enough to be inserted into the engaging portion (240a) and the projection portion (240b) side of the case 230 If pushed in, it is provided with a fitting portion (110b) extending laterally so that the locking portion (240a) can be fitted. At this time, the width W₂ of the fitting portion 110b is provided to be smaller than the width W 폭 of the insertion portion 110a. (W₁> W₂)

In the microwave oven according to the present invention configured as described above, when an external power source is applied, current is supplied to each electric appliance in the electric chamber 150.

The current boosted by the high voltage transformer 160 is supplied to the magnetron 170, and the magnetron 170 scans the high frequency of 2450 MHz into the cooking chamber 130 to cook the food.

On the other hand, when assembling the microwave oven there is a step of assembling the operation unit 200 to the front of the main body 100. At this time, the coupling process combines the printed circuit board (not shown) and other electrical equipment to the case 230 of the operation unit 200, and then combines the case 230 to the front of the main body 100.

At this time, the coupling of the case 230 is inserted into the insertion hole 110 formed in the front of the main body 100, as shown in (a) and (b) of Figure 6, first, the locking step 240 of the case 230 ) Is completely inserted into the insertion portion 110a of the insertion hole 110, and then moving the case 230 laterally, the locking portion 240a of the locking jaw 240 to the insertion portion 110b of the insertion hole 110. Will be fitted.

Accordingly, since the protrusion 240b of the locking jaw 240 is supported by the inner surface of the insertion hole 110, and the locking part 240a is supported by the fitting part 110b, the operation unit 200 and the case 230. ) Is a solid combination.

On the other hand, if the separation of the operation unit 200 is pushed in the opposite direction when the case 230 is coupled, the locking portion 240a of the locking jaw 240 is separated from the fitting portion 110b of the insertion hole 110, After pulling the case 230, the locking jaw 240 is completely separated from the insertion hole (110).

Therefore, the separation of the operation unit 200 case 230 of the present invention can be separated without being affected by the installation state of the electrical equipment installed up and down the locking jaw 240 in the operation unit 200.

In the microwave oven according to the present invention as described above, since the coupling and separation of the operation unit case coupled to the front of the main body is made of side coupling and side separation, it is not affected by the installation state of the decoration and the electrical equipment installed up and down inside the case. Since it can be more easily combined and separated, there is an advantage that the separation of the operation unit for repair work after shipment of the product can be easily performed.

Claims (2)

Electronic having a main body provided with a cooking chamber and an electric compartment inside, an operation unit case installed on the front of the main body, a locking jaw formed at the inner end of the case, and a coupling hole formed at the front of the main body so that the locking jaws are coupled to each other. In the range, The locking jaw has a locking portion extending to one side and a protrusion extending upward and downward of an end portion of the locking portion, and the coupling hole extends toward the insertion portion and the insertion portion into which the locking portion and the protrusion are fitted together. And a fitting portion in which the locking portion is fitted when the case moves laterally. The microwave oven according to claim 1, wherein the insertion part extends up and down, and the fitting part extends laterally from the middle part of the insertion part, and the width thereof is smaller than the width of the fitting part.