CN100359239C

CN100359239C - Microwave oven fire door frame construction

Info

Publication number: CN100359239C
Application number: CNB031048455A
Authority: CN
Inventors: 吴东洙
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2003-02-21
Filing date: 2003-02-21
Publication date: 2008-01-02
Anticipated expiration: 2023-02-21
Also published as: CN1523281A

Abstract

The present invention provides an oven door frame structure of a microwave oven. The oven door comprises an oven door frame in a rectangle plate shape, a first right angle fixing frame and a second right angle fixing frame, wherein the oven door frame in the rectangle plate shape is arranged in an oven door and has the function of a framework; the first and the second right angle fixing frames used for stabilizing end corners of the oven door frame are arranged on the upper end corner and the lower end corner of one side of the oven door frame corresponding to the center of a rotation center of the oven door; both of the right angle fixing frames respectively span the two side end edges and the upper and the lower end edges of the upper and the lower end corners of one side of the oven door frame. The present invention has advantages that the right angle fixing frames are respectively arranged on the upper and the lower corners of a hinged device of the oven door frame, so the twist of the oven door frame is effectively avoided, the oven door assembly maintains a state with high firmness and high precision, materials desired by manufacturing the right angle fixing frames are correspondingly reduced, and the manufacturing cost is reduced.

Description

The door of microwave oven frame structure

Technical field

What the present invention relates to is micro-wave oven, particularly be the invention of door of microwave oven frame structure.

Background technology

As shown in Figure 1, fire door 2 is equipped with in the front side with micro-wave oven main body 1 of hexahedron structure, and fire door 2 plays a part to open and close cooking room (not shown).Cooking room is formed on main body 1 inside.The centre of fire door 2 is visual windows 2w, directly observes cooking room inside by window.One side jug 3 of fire door 2 is convenient to the switching of fire door 2.

As shown in Figure 2, fire door panel 2p is positioned at the outer surface of fire door 2, and fire door panel 2p inside is the furnace door frame 2f for 2 skeleton functions of fire door.There is mesh members 2h the position corresponding with window 2w in furnace door frame 2f centre, and oven door sealing bar 2c is arranged between mesh members 2h and the furnace door frame 2f.

Respectively establishing fixed mount 2k on the inferior horn on the furnace door frame 2f of handle 3 opposite directions one side, the effect of fixed mount 2k is that articulated mounting is securely fixed on the furnace door frame 2f, and wherein articulated mounting is positioned at opposite direction one side of handle 3.The hinged wing of articulated mounting is formed in symbol 2g representative in the accompanying drawing.

One side of micro-wave oven main body 1 front fire door 2 is microwave oven control parts 5, control part 5 control micro-wave ovens.Control panel 6 is skeletons of control part 5, and constitutes the outer surface of control part 5.Control panel 5 upper ends are display parts 7.

Partial portion (comprising above-mentioned display part 7) at control panel 6 outer surfaces is gone up bonding key shell 11, and key shell 11 is marked with each key function or title.Key shell 11 is lived key base portion 12 sealing covers, and during user's input command, key-press shell 11 gets final product.There is operated key 15,13 ' control panel 6 lower ends.

But there is following defective in the door of microwave oven frame structure of above-mentioned prior art:

Because the weight of fire door 2 is mainly born by articulated mounting.Though this structure is provided with fixed mount 2k on furnace door frame 2f, but fixed mount 2k only with the side at furnace door frame 2f angle, it is the bottom and upper segment combination, this fixed mount 2k can't prevent to rise the distortion of the furnace door frame 2f of skeleton function in fire door 2, therefore, the fire door of the structure that is rectangle is to be distorted easily, and this distortion can cause whole fire door to deform, make the cooking room bad sealing, cause microwave leakage.

Summary of the invention

The objective of the invention is to overcome the deficiency of above-mentioned technology, provide a kind of micro-wave oven furnace door framework that can prevent to be distorted and can to reduce the door of microwave oven frame structure of manufacturing cost.

The present invention solves the problems of the technologies described above the technical scheme of being taked: a kind of door of microwave oven frame structure, this structure comprises and is arranged on an inner skeleton function tabular furnace door frame that is rectangle that rises of fire door, on the upper and lower end angle of furnace door frame and the corresponding side of fire door pivot, be provided with the 1st, the 2nd right angle fixed mount at firm firedoor frame frame end angle, two right angle fixed mounts are being striden the two side ends limit and the upper and lower side limit at furnace door frame one side upper and lower end angle separately; Folding shape oven door sealing bar also is housed around inboard, furnace door frame edge; 1st, the 2nd right angle fixed mount covers on outside the oven door sealing bar, and pushes down the corresponding position on oven door sealing bar both sides.

The invention has the beneficial effects as follows: door of microwave oven frame structure provided by the invention is provided with the right angle fixed mount respectively on the upper and lower angle of furnace door frame articulated mounting, prevented the distortion of furnace door frame effectively, thereby made the fire door assembly keep higher steady status and precision.Reduced relatively and made the required material of right angle fixed mount, thereby reduced manufacturing cost.

Description of drawings

Fig. 1 is the stereoscopic schematic diagram of existing micro-wave oven;

Fig. 2 is the main position of the furnace door frame partial structurtes schematic diagram of existing micro-wave oven;

Fig. 3 is a door of microwave oven assembly exploded view of the present invention;

Fig. 4 is the main position of a door of microwave oven framework of the present invention structural representation.

The specific embodiment

In order to achieve the above object, the invention provides is a kind of door of microwave oven frame structure, this structure comprises and is arranged on an inner skeleton function tabular furnace door frame that is rectangle that rises of fire door, on the upper and lower end angle of furnace door frame 60 and the corresponding side of fire door 50 pivots, 65, two the right angle fixed mounts 65 of the 1st, the 2nd right angle fixed mount that are provided with firm furnace door frame 60 end angles are being striden the two side ends limit and the upper and lower side limit at furnace door frame 60 1 side upper and lower end angles separately.

Folding shape oven door sealing bar 63 also is housed around inboard, furnace door frame 60 edge; 1st, the 2nd right angle fixed mount 65 covers on outside the oven door sealing bar 63, and pushes down the corresponding position on oven door sealing bar 63 both sides.

Form respectively at the 1st, the 2nd right angle fixed mount 65 upper and lower ends and to have the hinged wing 68,68 ' articulated slab 67,67 ', this articulated slab 67,67 ' is corresponding separately with furnace door frame 60 upper and lower end faying faces.

Below in conjunction with accompanying drawing embodiment provided by the invention is elaborated:

Shown in Fig. 3,4, the fire door assembly of micro-wave oven is mainly by fire door panel 52, handle 54, and window panel 55, furnace door frame 60, keeper 70, chokes plug cover 72, backboard 75 is formed.

Above-mentioned fire door panel 52 is to constitute fire door assembly 50 appearance part, and its centre forms window 53.Window 53 can have multiple shape.One side of fire door panel 52 fronts is provided with handle 54.

Window panel 55 is contained in fire door panel 52 back sides, and its part is exposed outside by window 53.Window panel 55 preferably adopts material transparent to make, and can observe the cooking room inner case by fire door assembly 50.

Furnace door frame 60 is contained in the back side of fire door panel 52, and the plate that is rectangle plays skeleton function in door assembly 50.Furnace door frame 60 centres possess mesh members 62, and mesh members 62 passes a lot of holes and forms later on rectangular slab.If from furnace door frame 60 forward observations, oven door sealing bar 63 is being inlayed at the position, edge between above-mentioned mesh members 62 and furnace door frame 60.In addition, form chokes plug 64 around the position, edge, can prevent that microwave from leaking at furnace door frame 60 rears.

In order to strengthen the steadiness of furnace door frame 60, at the position of fire door assembly 50 load-bearing, that is, be positioned at handle 54 and go up the position that articulated mounting is installed in the other direction, just, be provided with the 1st, the 2nd right angle fixed mount 65,65 ' in the position of furnace door frame 60 1 side upper and lower end angle correspondences.1st, the 2nd right angle fixed mount 65,65 ' connects furnace door frame position, 60 edge and position, mesh members 62 edge, thereby clamps oven door sealing bar 63.1st, the 2nd right angle fixed mount 65,65 ' is installed on the end angle of furnace door frame 60 1 sides under the situation that does not cover mesh members 62.

In set the 1st right angle fixed mount 65 firm its upper corners of furnace door frame 60 upper corners, the angle that its upper corners is made of furnace door frame 60 1 sides limit, upper end and side end edge.The 2nd right angle fixed mount 65 ' firm its angle, lower end that is provided with in furnace door frame 60 lower ends, its angle, lower end are the angle that constitutes with furnace door frame 60 1 limits, side lower end and side end edge.Above-mentioned the 1st, the 2nd right angle fixed mount 65,65 ' the most handy welding manner are fixed on the furnace door frame 60.

At above-mentioned the 1st, the 2nd right angle fixed mount 65,65 ' upper and lower end, on the promptly corresponding position with above-mentioned furnace door frame 60 upper surfaces and lower surface, form articulated slab 67,67 ' respectively, articulated slab 67,67 ' forms along the 1st, the 2nd right angle fixed mount 65,65 ' right-angle bending.Articulated slab 67,67 ' forms the hinged wing 68,68 ' that prolongs respectively downwards.

Fire door assembly 50 also comprises keeper 70, and keeper 70 can be kept the closed condition of fire door assembly 50, and constitutes interlock system, can monitor the open and-shut mode of fire door assembly 50 simultaneously.

Be provided with chokes plug cover 72 around fire door assembly 50 dorsal edge positions.Chokes plug cover 72 is tetragonal frameworks of inside opening.Backboard 75 is equipped with at position at chokes plug cover 72 openings, can sealing cover mesh members 62.Backboard 75 the most handy transparent materials maybe can be made from the material of visual observation cooking room inside.

Effect to door of microwave oven frame structure provided by the invention describes in detail below:

Fire door assembly 50 makes cooking room and external isolation, keeps the cooking environments of cooking room inside, prevents that simultaneously microwave from leaking.Opposite direction one side of fire door assembly 50 up knobs, with the articulated mounting that becomes pivot after the micro-wave oven main body is connected, this articulated mounting by the articulated slab on the 1st, the 2nd right angle fixed mount 65,65 ' 67,67 ' and miscellaneous part form together.

On the articulated mounting one side upper and lower end angle of furnace door frame 60, the 1st, the 2nd right angle fixed mount 65,65 ' is set respectively.1st, the 2nd right angle fixed mount 65,65 ' fixing mode on 60 jiaos of furnace door frames is: an end welds with furnace door frame 60 edges, and weld respectively its other end and mesh members 62 edges.Thereby prevent the distortion of furnace door frame 60.

As mentioned above, the 1st, the 2nd right angle fixed mount 65,65 ' has the effect of firm furnace door frame 60, has avoided the distortion of furnace door frame 60.Thereby also prevented the distortion of fire door assembly 50.That is, make fire door assembly 50 can keep the design standard state.

In addition, above-mentioned the 1st, the 2nd right angle fixed mount 65,65 ' will be made respectively, is convenient to be installed on the upper and lower side angle of above-mentioned furnace door frame 60 1 sides.Can also reduce simultaneously and make the material that the 1st, the 2 right angle fixed mount 65,65 ' needs.

Claims

1. door of microwave oven frame structure, this structure comprises and is arranged on an inner skeleton function tabular furnace door frame that is rectangle that rises of fire door, on the upper and lower end angle of furnace door frame (60) and the corresponding side of fire door (50) pivot, be provided with the 1st, the 2nd right angle fixed mount (65) at firm furnace door frame (60) end angle, two right angle fixed mounts (65) are being striden the two side ends limit and the upper and lower side limit at furnace door frame (60) one side upper and lower end angles separately, it is characterized in that, folding shape oven door sealing bar (63) also is housed around furnace door frame (60) inboard, edge; 1st, the 2nd right angle fixed mount (65) covers on outside the oven door sealing bar (63), and pushes down the corresponding position on oven door sealing bar (63) both sides.

2. according to the door of microwave oven frame structure described in the claim 1, it is characterized in that forming articulated slab (67), (67 ') that has the hinged wing (68), (68 ') respectively at the 1st, the 2nd right angle fixed mount (65) upper and lower end, this articulated slab (67), (67 ') are corresponding separately with furnace door frame (60) upper and lower end faying face.