KR200152015Y1 - Lamp structure for microwave oven - Google Patents

Abstract

The present invention discloses an improved interior lamp installation structure of an over the microwave.

In the past, a plurality of lighting holes were formed in the upper plate of the cooking chamber, and the lamp housing was installed, and then the lamp was installed in a cover fixed by screws to the lamp housing. Therefore, the lamp replacement work is not only complicated and difficult, but also has a large number of parts. There was a problem that caused the rise.

In the present invention, the air guide is installed on the side plate of the cooking chamber so as to correspond to the intake hole, and guides the airflow of the cooling fan to the cooking chamber through the air passage, and has a locking groove on both sides of the rear end, and on the lower surface of the front end of the air guide. A lamp holder having an assembly hole through which the fixed end extends and rotates about its axis, and has a mounting hole through which the lamp penetrates in the center of the body, and at least one locking pin that is fitted into the locking groove of the air guide on the side of the free end; It is installed on one side and has a lamp board to which the lamp is connected through the assembly hole of the lamp holder, and a hinged piece that connects the fixed end of the lamp holder and the air guide integrally and has a bent piece, without providing a separate lamp housing. The lamp can be easily installed, and the replacement of the lamp is made easier.

Description

Lamp installation structure of over the microwave

The present invention relates to an over the microwave oven, and more particularly, to a structure for installing a lamp that illuminates a cavity.

Microwave is a device for cooking by molecular resonance of food by placing food in the cooking chamber and then irradiating the food with microwaves oscillating from the magnetron of the driving chamber. to be. Accordingly, it is necessary to properly illuminate the cooking chamber so that the cooking state of the food can be observed from the outside, such as during cooking or opening of a door to open and close the cooking chamber. A microwave oven is provided with a lamp for illuminating the cooking chamber. Is common.

On the other hand, it is common to use these microwave ovens on the top of sinks or tables. Recently, microwave ovens have been developed to install on the walls to efficiently use the space in the kitchen. Such a microwave oven is particularly referred to as over the microwave.

Accordingly, as shown in FIG. 1, the over the microwave M is generally installed to be positioned above the gas oven range R installed on the kitchen sink S. In this case, the cabinet The grill (Gille) with the upper portion of the function of the range hood (range hood) to remove the smoke and odor generated in the cooking process of the food also serves.

Figure 2 schematically shows a conventional lamp installation structure of the over-the-range microwave oven. The lamp housing (6) is installed on the upper plate (2) of the cooking chamber (1) so as to surround a plurality of illumination holes (2a) formed on one side of the upper plate (2) of the cooking chamber (1), and the lamp housing (6) By installing the lamp 8 in the interior of the lamp housing cover 7 which is fastened with screws 9 to the inside of the lamp housing, the cooking chamber is used for cooking of food through the lighting holes 2a of the top plate 2 of the cooking chamber 1. It is supposed to illuminate (1). The remainder 3 is a door for opening and closing the cooking chamber 1, 5 is a grill of the stove hood (4).

However, such a conventional installation structure is a configuration in which the lamp 8 is installed on the upper plate 2 of the cooking chamber 1, so to replace the lamp 8, the lamp housing is disassembled after disassembling the grille 5 of the range hood 4. Bars need to be opened and replaced, so the replacement of the lamps 8 is quite cumbersome and difficult. In addition, the lamp plate 6 and the cover 7 need to be installed on the upper plate 2 of the cooking chamber 1, as well as having a large number of components. In addition, there was a complicated problem in that a plurality of lighting holes 2a must be separately processed in the upper plate 2 of the cooking chamber 1.

The object of the present invention is to simply install the lamp in the interior without a separate lamp housing and cover in view of the above-mentioned conventional problems, there is no need to configure a separate lighting hole in the upper plate of the cooking chamber, it is also very easy to replace It is to provide an overhead lamp installation structure of an over the microwave oven.

In order to achieve the above object, the lamp installation structure of the over-the-air microwave oven according to the present invention includes a cooking chamber having an intake hole in the side plate of the electric chamber side in which high-frequency oscillated from the magnetron is irradiated and air flow is sucked by the cooling fan, In the lamp installation structure of the over-the-microwave oven having an interior lamp for illuminating the interior of the cooking chamber, a control panel installed on the cabinet front side of the cabinet, and a hood hood installed on the upper part of the cooking chamber, It is installed on the side plate of the cooking chamber to return to the intake hole, and guides the airflow by the cooling fan to the cooking chamber through the air passage, and has an air guide having locking grooves on both sides of the rear end, It is formed to extend and rotate its fixed end around its axis. A lamp holder having at least one locking pin that is engaged with the locking groove in the id, a lamp board installed at one side of the lamp holder and connected to the lamp through an assembly hole of the lamp holder; The fixed end of the lamp holder and the air guide is integrally connected and is provided with a hinge piece (hingepiece) is bent.

According to one preferred feature of the present invention, a support boss having a screw hole is provided on one side of the free end side of the lamp holder to face the locking pin, so that the screw is fastened through one locking groove of the air guide. .

Accordingly, the present invention can be easily installed in the lamp without having to provide a separate lamp housing or the like as in the prior art or separately configure a lighting hole in the upper plate of the cooking chamber, as well as easily replace the lamp by disassembling the control panel. This makes it possible to greatly contribute to the assembly of the over-the-range microwave oven, ease of use and cost reduction.

1 is a perspective view showing a general use example of the over the microwave,

Figure 2 is a partial cutaway side view showing a conventional lamp installation structure in the interior,

Figure 3 is an exploded perspective view of the interior lamp installation structure according to the present invention,

4 is a cross-sectional view thereof;

Figure 5 is a cross-sectional view showing a lamp design method of the present invention.

Explanation of symbols for main parts of the drawings

M: over the microwave oven

11: cabinet (in the microwave)

12: Cavity

13: (cabinet) battlefield 14: side plate (of cooking)

14a: Intake hole (of cooking compartment side plate) 17a: Assembly space (of cabinet front plate)

20: air guide 20b: locking groove (of air guide)

22: lamp holder 23: hinge

25: Engagement pin (of lamp holder) 26: Support boss (of lamp holder)

27: screw 28: lamp board

29: guide pin (of lamp holder) 30: high information (of lamp holder)

32: lamp in the lamp 33: control panel

Such specific features and other advantages of the present invention will become more apparent from the following description of the preferred embodiments with reference to the accompanying drawings.

3 and 4, the illustrated configuration is the food of the food by the gas oven on the upper part of the cabinet 11 constituting the cooking chamber 12 and the electrical equipment chamber 13 in the over the microwave (M) installed on the wall or the like. A stove hood 34 for discharging odors or smoke is provided together. A door (not shown) for opening and closing the cooking chamber 12 is provided at one side of the front plate 17 of the cabinet 11, and at the other side thereof. The control panel 33 is installed.

In the cooking chamber 12, a tray 35 on which food is placed is rotatably installed by a tray motor 36, and a cooling fan (to be described later) on the side wall 14 of the electric chamber 13 side. A plurality of intake holes 14a through which air flow by 19 is introduced into the cooking chamber 12 are formed.

In the electric compartment 13, a magnetron 15 generating high frequency radiation and irradiating the cooking chamber 12 through a wave guide: 16 is installed on the side wall 14 of the cooking chamber 12. The rear plate 18 is provided with a cooling fan 19 for circulating the air in the cooking chamber 12 and cooling the electrical equipment. In addition, corresponding to the intake hole 14a of the cooking chamber 12, the side wall 14 is provided with an air guide 20 for guiding airflow from the cooling fan 19 into the cooking chamber 12.

Air guide 20 has a through hole (20a) is formed on the side of the cooling fan (19) side in the air flow passage 21 in accordance with the characteristics of the present invention, the locking groove (20b) on both sides of the lower end of the rear end ) Are formed respectively.

On the other hand, the lower surface of the front end of the air guide 20 is formed by extending the lamp holder 22 for supporting the lamp 32 in the interior, the lamp holder 22 is connected to the fixed end of the air guide 20 The bent hinge piece 23 is configured to be rotatable about the fixed end. An assembly hole 22a through which the lamp 32 penetrates is formed in the center of the body of the lamp holder 22, and a corresponding locking groove 20b of the air guide 20 is formed at one side of the free end skirt 24. The engaging pin 25 is fitted to be provided to protrude.

However, when the lamp holder 22 is supported by the air guide 20 only by the locking pin 25, there is a possibility that the lamp holder 22 may be detached due to an impact or the like. A support boss 26 having a screw hole 26a is formed in the inner surface of the holder 22 and the skirt 24 so that the screw 27 penetrates through the other locking groove 20b of the air guide 20.

On the other hand, a lamp board 28 is installed on one side of the lamp holder 22 through which the lamp 32 is connected through the assembly hole 22a of the body. To this end, one side surface of the lamp holder 22 is provided with a position fixing guide pin 29 inserted into one fixing hole 28a of the lamp board 28 so as to protrude, and spaced apart from the guide pin 29. The high information 30 is fastened so that the 31 passes through the other fixing hole 28a of the lamp board 28. The remaining reference numeral 17a is an assembly space of the cabinet 11 in communication with the electric compartment 13.

The installation method of the lamp inside the over the microwave according to the present invention configured as described above will be described with reference to FIG.

In FIG. 5, (a) shows that the lamp holder 22 is rotated by bending the hinge piece 23 while the lamp 32 is held by the air guide 20 while being fixed to the lamp holder 22. The locking pin 25 is inserted into one locking groove 20b of the air guide 20 so that the screw 27 is supported by the support boss 26 of the lamp holder 22 through the other locking groove 20b. It is fastened to the lamp holder 22 is fixedly supported by the air guide (20). At this time, the lamp 32 is positioned on the air passage 21 of the air guide 20 to illuminate the cooking chamber 12 through the intake hole 14a of the side plate 14 of the cooking chamber 12.

When the lamp 32 is to be replaced in this state, the control panel 33 is first disassembled from the front plate 17 of the cabinet 11. Next, after loosening the screw 27 fastened to the support boss 26 of the lamp holder 22 through the assembly space 17a of the cabinet 11, the locking pin 25 is locked to the air guide 20. Departing from 20b, the lamp holder 22 is rotated downward with respect to the hinge piece 23 as shown in (b).

Then, while the lamp 32 is separated from the air passage 21 of the air guide 20, the lamp holder 22 is positioned in the direction orthogonal to the air guide 20, and the lamp 32 is positioned in the horizontal direction. do. In this state, the lamp 32 is separated from the lamp board 28 as shown by the virtual line in (b).

On the other hand, the installation of a new lamp 32 to be replaced in the state in which the lamp 32 opened in this manner is replaced in the reverse order of the above-described disassembly, and thus the replacement of the lamp 32 is completed.

As described above, according to the present invention, since the lamp holder is formed integrally with the air guide, the lamp in the refrigerator can be easily installed in the cooking chamber without having a separate lamp housing, as in the related art. In addition, since the cooking chamber is illuminated through the intake hole of the cooking chamber side plate, there is no need to provide a separate lighting hole in the cooking chamber upper plate as in the prior art. Accordingly, not only the number of parts and workmanship is significantly reduced, but also lamp replacement is performed by disassembling the control panel, which is much simpler than the conventional method of disassembling the grille hood.

Therefore, the present invention can greatly improve the assembly and ease of use of the over the microwave, and has a very excellent effect of reducing the cost.

Claims (3)

A cooking chamber having an intake hole in the side plate of the electrical compartment chamber where high frequency oscillated from the magnetron is irradiated and the airflow from the cooling fan is sucked in, a lamp inside the chamber that illuminates the interior of the cooking chamber, a control panel installed in the cabinet front panel of the electrical compartment chamber, In the lamp installation structure of the over-the-range microwave oven having a microwave hood or the like installed on the upper portion of the cooking chamber, It is installed on the side plate 14 of the cooking chamber 12 so as to correspond to the intake hole 14a, and guides the airflow by the cooling fan 19 to the cooking chamber 12 through an air passage 21 and both rear ends thereof. An air guide 20 having a catching groove 20b in each, It is formed on the lower end of the front end of the air guide 20 and the fixed end is rotatable about the axis and has a mounting hole (22a) through the lamp 32 in the center of the body and the air guide 20 on the free end side Lamp holder 22 having at least one locking pin 25 to be fitted into the locking groove (20b) of the), A lamp board 28 installed at one side of the lamp holder 22 and connected to the lamp 32 through an assembly hole 22a of the lamp holder 22; Fixing end of the lamp holder 22 and the air guide 20 is integrally connected to the lamp assembly structure of the over-the-range microwave oven, characterized in that the configuration is provided with a hinge piece (23). According to claim 1, One side of the free end side of the lamp holder 22 is provided with a support boss 26 having a screw hole (26a) to face the locking pin 25, the screw 27 is the air High temperature lamp installation structure of the over-the-range microwave, characterized in that is fastened through one of the locking groove (20b) of the guide (20). 3. The lamp holder of claim 1 or 2, further comprising: a position fixing guide pin (29) formed at one side of the lamp holder (22) and inserted into one fixing hole (28a) of the lamp board (28). The high pin 30 is formed on one side of the 22 to be spaced apart from the guide pin 29 and the screw 31 is fastened through the other fixing hole 28a of the lamp board 28. Lamp installation structure of the overhead of the over microwave oven characterized by the above-mentioned.