CN100441958C

CN100441958C - Rotating ring in use for microwave oven

Info

Publication number: CN100441958C
Application number: CNB2003101075365A
Authority: CN
Inventors: 吴相镇
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2003-12-12
Filing date: 2003-12-12
Publication date: 2008-12-10
Anticipated expiration: 2023-12-12
Also published as: CN1626924A

Abstract

The present invention discloses a rotating ring used for a microwave oven, which belongs to a microwave oven pallet and a used supporting member. The rotating ring of the present invention comprises a circular ring, a roller shaft and a roller, wherein the circular ring can support a rotating disk of the inner part of a microwave oven to rotate; the roller shaft of which the end part is provided with a hanging bulge is arranged on the circumference surface of the ring; the roller is inserted into the roller shaft, and the center of the circumference surface is fully recessed. In addition, a roller assembly comprises a roller, a lining and a gasket, wherein the roller is inserted into the roller shaft of the rotating ring; the lining is penetrated with the central part of the roller; the gasket is clamped on the end part of the lining, and can prevent the roller from separating. Thus, the contact position of the bottom of the inner part of a cooking chamber and the roller can be minimized. Therefore, the rotating motion of the roller can not generate noise and is irrelevant with the bottom state of the inner part of the cooking chamber. Therefore, the prestige of productions is enhanced.

Description

Micro-wave oven rotating ring

Technical field

The invention relates to tray of microwave oven and used supporting member, more detailed is about supporting the rotation circle of rotating disk to produce noise when the micro-wave oven inner bottom surface is rotated in order to prevent, with the micro-wave oven rotating ring of making roller of special shape.

Background technology

Micro-wave oven is the device that utilizes the inner food of heating using microwave cooking room.Consider the microwave wavelength characteristic, in the time of heat food, rotate food for even heat food, and to cooking room internal feed microwave.

And in heating clamber inside, food is placed on above the rotating disk, and in order to support rotating disk rotation time to increase rotary speed, the rotation circle is set between rotating disk bottom surface and the cooking room bottom surface.Rotating disk and rotation loop graph are shown among Fig. 1.

As shown in the figure, the cooking room inside of micro-wave oven promptly is provided with the rotating disk (T) of placing food in the cabinet, support the rotation circle (12) of above-mentioned rotating disk.On rotating disk (T), place food, and rotate, therefore be made into circular plate type with food.

And rotation circle (10) comprises by circle (12) and is arranged on a plurality of rollers (22) formation of circle (12) one sides.And, protrude formation a plurality of roller shafts (12a) from the outside radial prolongation of the outer peripheral face of circle (12), and roll wheel assembly (20) is set.Roller shaft (12a) end possesses the projection of extension (12b), prevents that roll wheel assembly (20) breaks away from.And, possess roller guide (14) between roller shaft (12a) and the circle (12), make the smooth rolling of roll wheel assembly (20).

And, roll wheel assembly (20) comprises the roller (22) by reality rotation position, connect the core of roller (22) and the lining (24) that contact with roller guide (14), be clipped in the end of lining (24) and prevent packing ring (26) formation that roller (22) breaks away from.Owing to possess said structure, if come rotary turnplate (T) by the electric rotating machine that is arranged on the cabinet inner underside (not shown), the rotation circle (12) that contacts with rotating disk (T) is rotated by roll wheel assembly (20).

Following problem is arranged in the above-mentioned prior art.Micro-wave oven is owing to use for a long time, and swill remains in the cabinet sometimes.And, if in cabinet, continue to use micro-wave oven under the state of food residual, swill water evaporates and become hard.And according to circumstances, owing to food hardens attached to the cabinet inner bottom surface, so the cabinet inner bottom surface becomes uneven.

At the roller (22) of above-mentioned state bottom roller assembly (20),, between rotating disk (T) and cabinet inner bottom surface, be to be rolled by the rotation of rotating disk (T) in the center with roller shaft (12a) as above-mentioned.At this moment, the roller (22) of roll wheel assembly (20) rotates above the residual food in cabinet, produces noise thus.Contact with the cabinet inner bottom surface when roller (22) is rotated in uneven bottom surface, produce noise.

And the periphery of noise and roller (22) has confidential relation.According to the profile of Fig. 1, in order to improve the coefficient of friction that contacts with the cabinet inner bottom surface, the periphery of roller (22) is formed flatly with straight line.That is, with cabinet in the contact-making surface of the roller (22) that contacts be designed to maximize the structure of the contact-making surface of roller (22).Because the periphery of roller (22) is as above-mentioned, the easier food interior with remaining in cabinet contacts during roll wheel assembly (20) rotation, produces noise thus.

Summary of the invention

The present invention invents in order to solve above-mentioned existing issue, and its main purpose provides in the time of preventing the roller rotation to greatest extent and produces noise, can improve the structure of micro-wave oven self degree of belief.

In order to achieve the above object, according to the rotation circle of micro-wave oven of the present invention, comprise the ring of supporting the inner rotating disk rotation of micro-wave oven; The radial outstanding end of circle outer peripheral face possesses the roller shaft of the projection of hanging, and it is inserted in the roller that the central authorities of periphery all fall on the roller shaft.

The rotation circle of described micro-wave oven, its roll wheel assembly in the setting of ring outer peripheral face rotates the roller that encloses on the roller shaft by being inserted into, and connects the lining of roller core, is clipped in the end of lining, prevents that the packing ring that roller breaks away from from constituting.

Therefore, according to the present invention, the roller that the central fovea of whole circumference face is entered minimizes the contact-making surface between roller and the bottom surface in the cooking room rotation, can reduce the noise that is caused by rotation to greatest extent.

According to roller structure,, minimize the position that the cooking room inner bottom surface contacts with roller because the median plane of roller is recessed to form as the micro-wave oven rotating ring of the present invention of above-mentioned formation.Therefore, irrelevant with the bottom surface state of cooking room inside, it is can not produce noise that roller rotatablely moves.Improve the prestige of product thus.

Description of drawings

Fig. 1 is the assembly structure schematic diagram of existing micro-wave oven rotating ring.

Fig. 2 is an assembly structure schematic diagram of the present invention.

Fig. 3 is the vertical profile structural representation of roll wheel assembly of the present invention.

Explanation for major part symbol among the figure:

100: cooking room 120: rotating disk

200: electricity storage chamber 300: the rotation circle

310: circle 310a: roller shaft

310b: hang projection 330: roller guide

400: roll wheel assembly 410: roller

430: lining 450: packing ring.

The specific embodiment

Following with reference to drawings and Examples to the detailed description of the invention.

The whole micro-wave oven of diagram among Fig. 2, and rotating disk in the diagram micro-wave oven cabinet and rotation circle.

As shown in the figure, micro-wave oven comprises the outward appearance casing (A) that constitutes shell; Being formed on the inboard cooking space of outward appearance casing (A) is cooking room (100); Be formed on the interior opposite side of cooking room (100), and be provided with electricity storage chamber (200) formation of the various parts that need when operating micro-wave oven.

Cooking room (100) inside is provided with the rotating disk (120) into rotation food, and rotating disk (120) bottom surface is provided with the rotation circle (300) into rotary turnplate (120).

In electricity storage chamber (200),, be arranged on the inner various electric collection of cooking room (100) in order to produce frequency electromagnetic waves; And, cooling fan is set in order to cool off the heat that in the middle of electric collection, produces.

The outer peripheral face end of rotation circle (300) is provided with radial roll wheel assembly (400).Rotation circle (300) comprises the circle (310) by annular, and the roller shaft (310a) that protrudes from circle (310) constitutes.And the end of roller shaft (310a) possesses and prevents to be combined in the extension projection (310b) that the roll wheel assembly on the roller shaft (310a) breaks away from away.And for roll wheel assembly (400) is rotated glibly, roller guide (330) forms integral body at circle (310) with the place that roller shaft (310a) is connected with above-mentioned circle (310).

Roll wheel assembly (400) comprises the roller (410) that contacts and do rolling movement with the bottom surface, connects the core of roller (410) and the lining (430) of combination, is clipped in the end of lining (430) and prevents the packing ring (450) that roller (410) breaks away from away.

As shown in Figures 2 and 3, the roller (410) of roll wheel assembly (400) forms the shape that the central fovea of outer peripheral face is entered.Because whole depression of central portion of roller (410), roller (410) almost is that line contacts with the interior inner bottom surface of cabinet.That is, contact-making surface is roller (410) two sides and the cabinet inner bottom surface except the depression position.Other parts are that lining (430) and packing ring (450) are same as the prior art, so omit explanation here.

Below, the roller (410) as the rotation circle (300) of above-mentioned formation is described.

Since the running of the parts of electricity storage chamber (200), micro-wave oven running, inner rotating disk (120) rotation continuously of cooking room (100) thus, and cooking food.And rotation circle (300) the transfer dish (120) of rotating disk (120) bottom rotates together, and the roller (410) that is arranged on the roll wheel assembly (400) on the rotation circle (300) contacts with the bottom surface of cooking room (100) and rotates.At this moment, roller (410) forms the shape of central portion depression, part around the both sides that the therefore actual position that contacts with the bottom surface of cooking room (100) is a roller (410).

As above-mentioned, the bottom of roller (410) and cooking room (100), i.e. cabinet inner bottom surface line contact is not so can produce noise in the rolling movement yet on the bottom surface uneven owing to be attached with foreign material such as food.

As above-mentioned, according to the technology of the present invention thought, in the roll wheel assembly (400) of rotation circle (300), owing to possess concave face on the median plane of roller (410), roller (410) does not produce noise yet on the irregular bottom surface of cooking room inside.

Claims

1. the rotation circle of a micro-wave oven comprises the ring of supporting the inner rotating disk rotation of micro-wave oven; Possess the protruding roller shaft of extension to the radial outstanding end of circle outer peripheral face, it is characterized in that being inserted in the roller that the central authorities of periphery all fall on the roller shaft.

2. the rotation circle of micro-wave oven according to claim 1, the roll wheel assembly that it is characterized in that the setting of ring outer peripheral face is by the roller that is inserted on the rotation circle roller shaft, connect the lining of roller core, be clipped in the end of lining, prevent that the packing ring that roller breaks away from from constituting.