JP2000337026A - Window structure of apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily remove an inside inspection glass fixed with silicone rubber from a metallic door panel in demolishing a door formed by an inside inspection glass and a door panel by forming a window member remove jig insert part in a window frame corresponding to the front peripheral edge of the window member. SOLUTION: A transparent flat inside inspection glass 88 is fitted extending over the whole of an opening part to a punching plate having a punching hole 77b opened in the central flat surface part of a door panel 77 having a metallic flat surface part to be a little larger than the punching hole 77b with silicone rubber. Further, in a portion near the outer periphery of the punching hole 77b that overlaps the inside inspection glass 88, a half blanking hole 7b is provided as a window member remove jig insert part. In demolishing a door panel assembly 20, previously the whole periphery of the silicone rubber 22 of the outer peripheral part 88a of the inside inspection glass 88 is hurted, a punch 12 or the like is inserted in the half blanking hole 7b, and the surface of the inside inspection glass 88 is lightly tapped by a hammer or the like to separate the glass from the door panel 77.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window structure of a device.

[0002]

2. Description of the Related Art Conventionally, a door portion provided on the outer periphery of a microwave oven equipped with a microwave generator, a heater, an oven function and the like is generally made of a tempered glass inside and outside.
It is made of a piece of peep glass. This inside peep glass is placed on a metal door panel that blocks microwaves so that microwaves that heat the food do not leak, so that steam generated when heating the food does not leak to the outside peep glass side. It is fixed to the door panel with silicone rubber or the like for sealing. For this reason, when disassembling the microwave oven door, even if the inside peep glass is damaged by a cutter or the like, the silicon rubber on the inside has elasticity and it is difficult to cut it completely.
Further, even if the inside glass is to be pulled away from the door panel, since the space between the inside glass and the door panel is filled with silicon rubber, no tool can be inserted, so that the inside glass cannot be easily removed from the door panel.

FIG. 1 is a perspective view of a general microwave oven when a door is opened, and FIG. 2 is a schematic view of a conventional microwave oven after disassembly. FIG. 3 is a schematic view of a door panel assembly 9 which is a part of a door of a microwave oven, and FIG. 4 is a longitudinal sectional view thereof.

In FIG. 1, the microwave oven includes a door 1, a cabinet 2, an operation panel 3 and an interior 4.
The cabinet 2 has a rectangular parallelepiped shape in which one side constituting the door 1 of the microwave oven is open, and is attached to an open side of the microwave oven so that the door 1 can be opened forward. A rotary turntable for mounting an object to be heated is mounted in the compartment 4, the operation panel 3 is provided adjacent to the door 1, and a magnetron, which is a micro generator, is provided inside the microwave oven. And so on.

In FIG. 2, the prior art door 1 is shown.
Is an outer peep glass 5 made of tempered glass resistant to impact, a door frame 6 made of metal or resin, a metal door panel 7, and a tempered glass whose outer peripheral portion is completely adhered and fixed to the door panel 7 with silicon rubber or the like. And a door panel holding frame 10 for fixing the door panel assembly 9 to the door frame 6. The outer peep glass 5 and the door panel assembly are arranged from the outside. 9, the door panel holding frame 10 is arranged.

The outer peep glass 5 has a rectangular metal or resin plate with a rectangular opening at the center and a structure in which the glass is sandwiched in the internal opening. The door panel assembly 9 including the inside peep glass 8 is sandwiched and held by the door panel holding frame 10.

In FIG. 3 and FIG. 4, the door panel 7 and the inside sight glass 8 are completely adhered and fixed by silicone rubber 11 at the sight glass outer peripheral portion 8a so as to be completely adhered. By taking this structure, the steam generated by heating the food is supplied to the outer peeping glass 5.
It is not cloudy because it does not leak, so you can see the heated food inside. Further, a punching hole 7a is opened on the surface of the door panel 7, so that the heated food inside can be seen.

[0008]

However, recently, the garbage disposal problem has been frequently taken up as a social problem, and electric appliances are no exception, and a recycling design in consideration of disassembly has been demanded. When dismantling with the conventional door structure of a microwave oven, even if the inside peep glass is damaged by a cutter etc., the inside peep glass is resilient to the silicon rubber and hard to be completely cut off. Even when trying to separate from the door panel, the space between the inside peep glass and the door panel was filled with silicone rubber, so no tools could be inserted, so it could not be easily removed from the door panel.

Therefore, when disassembling the door portion composed of the inner sight glass and the door panel, a structure is provided in which the inner sight glass made of tempered glass fixed with silicone rubber can be easily removed from the metal door panel. It is intended to be.

[0010]

According to the present invention, there is provided an outer shell constituting at least one surface of a device, wherein a front edge of a flat plate-like window member is fitted so as to abut against a window frame, In a window structure of an apparatus in which the window member is fixed to the window frame by filling a filler between the rear edge portion and the window frame, a window frame corresponding to the front edge portion of the window member is removed. A window structure of a device, wherein a jig insertion portion is formed.

Further, the window member is a double plate in which a transparent plate and a punching plate are overlapped with each other.

The outer shell is a door panel having a punched portion. A transparent plate larger than the punched portion is overlapped with the punched portion, and a window member removing jig is inserted into a door panel corresponding to an outer peripheral portion of the transparent plate. A window structure of a device characterized by forming a portion.

Further, the transparent plate is a glass plate, which is a window structure of an apparatus.

Further, the door panel is a front door panel of a microwave oven, and has a window structure of a device.

[0015] The window member removal jig insertion portion may include:
A window structure of a device characterized by being a small hole.

Also, the window member removal jig insertion portion includes:
A window structure of a device characterized by a half hole.

Further, the window member removal jig insertion portion includes:
A window structure of a device, characterized in that it is a gap between the transparent plate and the punching plate or the window frame caused by applying a concave shape to a punching plate or a window frame corresponding to an outer peripheral portion of the transparent plate.

[0018]

Embodiments of the present invention will be described below. The structure of the microwave oven has already been described in the section of the prior art, and a description thereof is omitted.

(Embodiment 1) FIG. 5 is a schematic view of an embodiment of a door panel assembly which is a window member integrally formed with a window frame provided on an outer surface constituting one surface of a microwave oven according to the present invention. is there. The door panel assembly 20 is provided with a punching hole 7 in a central flat portion of a door panel 77 having a metal flat portion.
7b, a transparent flat inner peep glass 88 is formed in the punching hole 7b.
It is composed of a double plate attached to the outer periphery of the inner peep glass 88 larger than the region 7b with silicone rubber, and further, a window member removing jig is inserted at a position near the outer periphery of the punching hole 77b and the inner peep glass 88. It has a structure in which a half hole 7b is provided as a use part. FIG. 9 shows a cross-sectional view of the half hole 7b. The half punched hole 7b has a structure just before punching at the time of pressing, and is partially provided with several reinforcements 7e to prevent punching. Further, a hole 7c may be provided instead of the half hole 7b. For example, the size of the hole 7c is a circular shape having a diameter of 5 mm or less that does not cause radio wave leakage.

With the above configuration, when disassembling the door panel assembly 20, after the silicon rubber 22 of the outer peripheral portion 88a of the inner peep glass 88 is cut over the entire circumference with a cutter or the like in advance, the half is cut off. The punch 12 having a flat tip is inserted into the hole 7b or the hole 7c, and the surface of the inside glass 88 is lightly tapped with a hammer or the like. The inside peep glass 88 can be completely separated from the door panel 77 by overcoming the holding force of the above.

In particular, in the case of the large inside sight glass 88, the half hole 7b or the hole 7c is provided around the punching hole 77b, and the leg 14 corresponding to the hole is formed.
The leg 14a is applied to the half hole 7b or the hole 7c of the inside peeping glass 88 by the jig 14 having the a, and the entire surface of the jig 14 can be pressed uniformly, so that the jig 14 is lightened with a hammer or the like. By just tapping, even the large inside sight glass 88 can be completely separated from the door panel 77.

In the present embodiment, the window member and the window frame have been described as being integrated, but they may be separated from each other. That is, a window member which is a double plate in which a punching plate and a transparent plate are laminated with glass is filled with a filler between a rear peripheral portion of the window member and a window frame to fix them, and the door panel assembly is fixed. 20 may be configured. In this case, the half-drilled hole 7b or the hole 7c is provided in a window frame corresponding to the peripheral portion of the front surface of the window member as a window member removing jig insertion portion.
May be provided.

(Embodiment 2) FIG. 6 is a schematic view of another embodiment of the present invention, and a cross-sectional view thereof is shown in FIG. A door panel assembly 30 in which a window frame and a window member provided on an outer shell constituting one surface of a microwave oven are integrally formed is formed by punching a punching hole 32 in a central flat portion of a door panel 31 having a metal flat portion. A transparent flat inner peep glass 99 is attached to the opening of the plate so as to be larger than the area of the punching holes 32, and the inner peep glass 31 is attached to the door panel 31 at an outer peripheral portion of the inner peep glass 99. Are fixed with silicone rubber 41. Further, the door panel 31 has a concave portion at the end of the inside view glass 99 as a window removing jig insertion portion to form a gap 7d.

With the above configuration, when disassembling the door panel assembly 30, a flat-blade screwdriver 13 or the like is inserted into the gap 7 d from the inside peep glass 99 side to pry up the inside peep glass 99. It can be completely separated from the door panel 31.

Further, by providing a plurality of the gaps 7d, even in the case of the large door peep glass 99, it can be completely separated from the door panel 31.

[0026]

According to the present invention, the inside peep glass and the door panel can be easily separated in a short time simply by inserting a punch into the half hole or hole and tapping lightly with a hammer or the like.

Furthermore, when a plurality of semi-drilled holes or holes are provided and a jig having legs corresponding to the holes or the like is applied and the inner peep glass and the door panel are separated by hitting with a hammer or the like, the large inner peep glass may be used. Can be processed in a short time with little power.

Further, according to the present invention, a gap is provided between the inside glass and the door panel by providing a gap between the inside glass and the door panel. be able to.

Further, by providing a plurality of gaps, even if the inside glass is large, the inside glass and the door panel can be easily separated.

[Brief description of the drawings]

FIG. 1 is a perspective view when a front door of a microwave oven is opened.

FIG. 2 is a perspective view of components constituting a front door of the microwave oven.

FIG. 3 is a perspective view of a conventional door panel assembly.

FIG. 4 is a sectional view of a prior art door panel assembly.

FIG. 5 is a perspective view of a door panel assembly according to the present invention.

FIG. 6 is a perspective view of a door panel assembly according to the present invention.

FIG. 7 is a sectional view of a recess of the door panel assembly according to the present invention.

FIG. 8 is a perspective view of a door panel assembly according to the present invention and a schematic view of a jig that fits into a plurality of holes opened in the door panel.

FIG. 9 is a cross-sectional view of a half hole according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door 2 Cabinet 3 Operation panel 4 Inside the warehouse 5 Outside peep glass 6 Door frame 3 Nitride oxide film 7 Door panel 8 Inside peep glass 9 Door panel assembly 10 Door panel holding frame 11 Silicon rubber 8a Glass outer periphery 7a Punching hole 20 Door panel assembly 77 Door panel 77b Punching hole 88 Inside peeping glass 7b Half hole 7e Reinforcement 7c hole 88a Outer part 22 Silicon rubber 14a Leg 14 Jig 30 Door panel assembly 7d Gap 99 Inside peeping glass 32 Punching hole 41 Silicon rubber 13 Flathead screwdriver 31 Door panel

Claims (8)

[Claims] An apparatus is provided on an outer shell constituting at least one surface of a device, and a front edge of a flat window member is fitted so as to abut on a window frame, and a rear edge of the window member and a window frame are connected to each other. In the window structure of the device in which the window member was fixed to the window frame by filling the gap therebetween, a window member removing jig insertion portion was formed in the window frame corresponding to the front edge of the window member. A window structure for a device, characterized in that: 2. A window structure for an apparatus according to claim 1, wherein said window member is a double plate in which a transparent plate and a punching plate are overlapped. 3. The door shell has a punched portion, and a transparent plate larger than the punched portion is placed on the punched portion, and a window member removing jig is inserted into a door panel corresponding to an outer peripheral portion of the transparent plate. 3. A window structure for a device according to claim 1, wherein a portion is formed. 4. A window structure for an apparatus according to claim 3, wherein said transparent plate is a glass plate. 5. The window structure for a device according to claim 3, wherein said door panel is a front door panel of a microwave oven. 6. A window structure for a device according to claim 1, wherein said window member removing jig insertion portion is a small hole. 7. The window structure for a device according to claim 1, wherein said window member removing jig insertion portion is a half-drilled hole. 8. The transparent member and the punching plate or window frame formed by applying a concave shape to a punching plate or a window frame corresponding to the outer peripheral portion of the transparent plate. The window structure of an apparatus according to any one of claims 1 to 5, wherein the gap is defined as: