KR100385179B1 - Control panel for microwave oven - Google Patents

Abstract

The present invention relates to a microwave oven operating panel provided on a front surface of a microwave oven, and a panel body having a plurality of timer high information protruding from each other at a rear thereof and a relay high information protruding adjacent to the timer assembly. Wow; A timer assembly fastened to the timer high information; It characterized in that it comprises a relay that is held fastened to the relay high information. Thereby, the work of the adjacent area of the relay can be facilitated by assembling the relay directly on the back of the panel body.

Description

Control panel for microwave oven {CONTROL PANEL FOR MICROWAVE OVEN}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation panel for a microwave oven, and more particularly, to an operation panel for a microwave oven, which can facilitate work in an adjacent region of a relay by assembling the relay directly on the back of the panel body.

1 is an exploded perspective view of a typical microwave oven. As shown in this figure, the microwave oven generally includes an outer casing 110 forming an appearance, a cooking chamber 112 for cooking food, and a component room 114 in which a plurality of parts for operating the microwave are disposed. Has

In the lower part of the cooking chamber 112, a tray-shaped tray 116 is placed on which food is stored, and a door 118 is provided at the front of the cooking chamber 112 so as to be rotatable around one side to open and close the front opening of the cooking chamber 112. ) Is installed.

The component chamber 114 is formed with the cooking chamber 112 and the sidewalls interposed therebetween, and the lower part of the component chamber 114 has an HVT 119 for generating a high voltage by supplying power, and is generated from the HVT 119. An HVC 121 is installed to receive and charge a high voltage. The rear wall of the component chamber 114 has a noise filter for preventing harmful waves generated from the blower fan 123 for cooling the interior of the component chamber 114 and a plurality of components in the component chamber 114 to the outside. 125 is provided and supplied from the magnetron 129 and the blower fan 123 on the side wall of the component chamber 114 side to generate the electromagnetic wave and supply it to the cooking chamber 112 by using the high voltage charged in the HVC 121. Air ducts 127 for guiding the outside air into the cooking chamber 112 are sequentially provided. In addition, in front of the component chamber 114, an operation panel 135 provided with a pair of operation knobs 131 and a door opening button 133 is coupled.

On the other hand, as shown in Figure 2, the back of the operation panel 135 is formed in a substantially rectangular cylindrical and the timer assembly 137 with a built-in timer to enable a predetermined time setting in accordance with the operation of the operation knob 131 and Relays 139 for turning on and off the power supplied to the timer assembly 137 are provided to overlap.

On the outer circumferential surface of the timer assembly 137 is formed a flange portion 143 having a screw through hole 145 and extending in the plate direction, respectively, and the timer assembly protrudes horizontally from the plate surface on the rear surface of the operation panel 135, respectively. Screw fastening bosses 141 corresponding to the flange portions 143 of 137 are formed.

In addition, the relay 139 installed on the timer assembly 137 to be superimposed is provided with a pair of screw fastening fixing pieces 147 parallel to the rear surface of the operation panel 135, and a pair of screw fastening fixed. The screw fastening high information 149 protrudes from the board surface of the timer assembly 137 corresponding to the piece 147.

By the above configuration, first, the screw fastening holes 145 between the flange parts 143 of the timer assembly 137 and the bosses 141 on the rear surface of the operation panel 135 are communicated with each other. By inserting and tightening bolts into the screw fastening holes 145, the timer assembly 137 is coupled to the rear surface of the operation panel 135.

Next, the screw fastening information 149 on the timer assembly 137 and the fixing piece 147 of the relay 139 are connected to each other, and then the screw 150 is inserted into the back of the operation panel 135. The timer assembly 137 and the relay 139 can be coupled to.

By the way, in such a conventional microwave operation panel, the part chamber 114 which is close to the operation panel 135 side by coupling the timer assembly 137 and the relay 139 to the back of the operation panel 135 superimposed. It happens that the operation of the job becomes quite inconvenient.

That is, as shown in FIG. 3, the skirt portion 151 having a plurality of bolt holes 153 formed in the front part opening portion of the component chamber 114 to which the operation panel 135 is coupled toward the component chamber 114 side. Is formed, and a plurality of parts related to opening and closing of the door 118 are installed at the rear of the skirt 151.

However, when a conventional microwave operation panel is installed in front of the component chamber 114, a plurality of bolt holes 153 formed in the skirt portion 151 are superimposed on the timer assembly 137. ) Is concealed by Therefore, in order to work on the skirt 151 region, the trouble of having to separate and reinstall the relay 139 is accompanied.

Accordingly, it is an object of the present invention to provide an operation panel for a microwave oven which can facilitate the work in the adjacent region of the relay by assembling the relay directly on the back of the panel body.

1 is an exploded perspective view of a typical microwave oven,

2 is a perspective view showing a coupling process between a conventional operation panel and a relay and a timer assembly;

3 is an enlarged side view of an operation panel region of a conventional microwave oven;

4 is a perspective view illustrating a coupling process between an operation panel and a relay and a timer assembly according to the present invention;

5A and 5B are partially enlarged perspective views of FIG. 4 showing FIG. 4 from different angles, respectively;

6 is a cross-sectional view taken along line VI-VI of FIG. 4,

7 is an enlarged side view of the operation panel region of the microwave oven according to the present invention.

* Explanation of symbols for the main parts of the drawings

33: parts room 35: panel body

37: timer assembly 41: timer high information

47: relay 49: fixed piece

50: relay high information 51: stop

52: stop boss 57: skirt

According to the present invention, in the microwave operation panel provided on the front of the microwave oven, a plurality of timer high information protruding spaced apart from each other and a relay high information protruding adjacent to the timer assembly on the rear surface thereof. A panel body having a; A timer assembly fastened to the timer high information; It is achieved by an operating panel for a microwave oven, characterized in that it comprises a relay which is held fastened to the relay high information. Here, the relay has a pair of fixing pieces extending in parallel with the plate surface of the panel body, The relay high information is preferably formed corresponding to each of the fixing pieces.

In addition, the fixing piece of one side has a screw fastening hole and the corresponding relay high information is preferably formed with a screw fastening hole engaged with the screw is fastened, the other side of the fixing piece has a bite hole of the panel body It is effective that the stopper is accommodated in the back hole to limit the horizontal movement is formed on the back.

And, it is advantageous that the bite ball is opened along the plate surface to engage in parallel to the stopper, and includes a pair of stop bosses formed adjacent to the stopper to prevent the fixing piece is spaced apart from the plate. desirable.

On the other hand, the general matters related to the general configuration of the microwave oven are the same as described above and will be omitted. Hereinafter, the operation panel region will be described in detail with reference to the accompanying drawings.

Figure 4 is a perspective view showing a coupling process between the operation panel and the relay and the timer assembly according to the present invention, Figures 5a and 5b is a partially enlarged perspective view of Figure 4 showing Figure 4 from a different angle, Figure 6 It is sectional drawing along the VI-VI line of 4. As shown in these figures, the operation panel provided in front of the component chamber 33 includes a panel main body 35, a timer assembly 37 made of a substantially rectangular shape, and a power source supplied to the timer assembly 37. It has a relay 47 to turn on and off.

The timer assembly 37 includes a timer formed of a plurality of gear trains in order to enable a predetermined time setting according to the operation of the operation knob 32 provided on the front of the panel body 35, and a time set by the mutual operation of the gear trains. It has a bell 39 to inform that the completion is completed, and a drive motor 40 for driving a plurality of gear trains. In addition, a plurality of flange portions 45 are formed on the outer circumferential surface of the timer assembly 37, each of which has screw fastening holes 43 extending along the plate surface direction and fixed to the timer high information 41 to be described later.

Meanwhile, a pair of fixing pieces 49 extending in parallel with the rear surface of the panel body 35 are formed on the relay 47 installed on the rear surface of the panel body 35 to be spaced apart from the timer assembly 37 by a predetermined distance. have. Here, the screw fastening hole 56 is formed in the fixing piece 49a on one side of the pair of fixing pieces 49 for screwing with the relay high information 50 to be described later, and the fixing piece 49b on the other side. The gutter hole 50 which is open along the plate surface so that it may engage in parallel with the stopping protrusion 51 mentioned later is formed.

On the back of the panel body 35, a plurality of timer goggles 41 protruding horizontally from the plate surface are also arranged so as to correspond to the flanges 45 of the timer assembly 37. The timer goggles 41 are also arranged. In the upper part of the relays 47, the relay high information 50 corresponding to one side fixing piece 49a of the relay 47 is formed. As shown in FIG. 5B, the biting hole 50 formed in the other fixing piece 49b of the relay 47 is protruded horizontally from the plate surface at a position spaced apart from the relay high information 50 by a predetermined distance. The stopper 51 is formed. The end portion 51a of the stop protrusion 51 is formed to be smaller in size than the bit hole 50 so that it can be inserted into the bit hole 50 formed in the other fixing piece 49b of the relay 47. A pair of stop bosses 52 are arranged on both sides of each other). Each stop boss 52 has a bent portion 52a that is bent toward the stop protrusion 51, respectively, and an end of the bent portion 52a is disposed adjacent to the end 51a of the stop protrusion 51. After arranging the other fixing piece 49b of the relay 47 to the end 51a of the stopper 51, the relay 47 is pushed toward the end 51a of the stopper 51 and the fixed piece 49b. The bite hole 50 formed in the fitting protrusion 51 is fitted to the end 51a of the stopper 51. At this time, since the bent part 52a of each stop boss 52 is arrange | positioned adjacent to the edge part 51a of the stopper protrusion 51, the relay 47 of the relay 47 fitted to the end 51a of the stopper protrusion 51 is carried out. The fixing piece 49b is prevented from escaping upward due to each bent portion 52a. In this state, by fastening the screw 55 of one side fixing piece 49a of the relay 47 and the relay gooses 50 to each other, the relay 47 can be easily coupled to the rear surface of the panel body 35. The lower part of the panel body 35 is provided with a door opening button 30 for opening a door (not shown).

By this configuration, first, the screw fastening holes 43 between the flange parts 45 of the timer assembly 37 and the timer goggles 41 on the rear surface of the panel body 35 are communicated with each other. By inserting and fastening the bolts 53 into the screw fastening holes 43, the timer assembly 37 is coupled to the rear surface of the panel body 35.

Next, the insertion hole 50 formed in the other fixing piece 49b of the relay 47 is inserted into the end portion 51a of the stopper 51 through the lower side of each bent portion 52a of the stopper boss 52. , So that the other side fixing piece 49b is held by the end portion 51a of the stop projection 51 and the bent portion 52 of the stop boss 52. In such a state, the one side fixing piece 49a of the relay 47 and the relay high information 50 communicate with each other to insert and fasten the screw 55. This allows the timer assembly 37 and the relay 47 to be easily coupled to the rear surface of the panel body 35.

In this way, by sequentially placing the relay 47 and the timer assembly 37 on the rear surface of the panel body 35, as shown in Figure 7, the skirt portion 57 of the front opening of the component chamber 33 The plurality of bolt holes 59 formed in the grooves are not concealed, thereby facilitating the work of the skirt portion 57. Moreover, the operation of fixing the relay 47 to the back of the panel body 35 becomes very easy.

As described above, according to the present invention, there is provided an operation panel for a microwave oven, which can facilitate the operation of the adjacent area of the relay by assembling the relay directly on the back of the panel body.

Claims (6)

In the microwave operation panel installed on the front of the microwave oven, A panel main body having a plurality of timer high information protruding from each other and spaced apart from each other and a relay high information protruding adjacent to the timer assembly; A timer assembly fastened to the timer high information; Operating panel for a microwave, characterized in that it comprises a relay which is fastened to the relay high information. The method of claim 1, And said relay has a pair of fixing pieces extending in parallel with the plate surface of said panel body, and said relay high information is formed corresponding to said fixing pieces. The method of claim 2, The fixing piece of one side has a screw fastening hole and the relay goggles corresponding to the operation panel for a microwave oven, characterized in that it has a screw fastening hole engaged with the screw. The method of claim 3, wherein The fixing piece of the other side has a bite hole and the operation panel for a microwave oven, characterized in that the back surface of the panel body is provided with a stopper is accommodated in the bite hole to limit the horizontal movement. The method of claim 4, wherein And said bleeding hole is opened along a plate surface to engage in parallel with said stopper. The method of claim 4, wherein And a pair of stop bosses formed adjacent to the stop projections to prevent the fixing piece from being spaced apart from the plate surface.