CN100375861C

CN100375861C - Insertion structure of guarding pin in microwave oven

Info

Publication number: CN100375861C
Application number: CNB031233546A
Authority: CN
Inventors: 权贞周
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2003-04-25
Filing date: 2003-04-25
Publication date: 2008-03-19
Anticipated expiration: 2023-04-25
Also published as: CN1540222A

Abstract

The present invention provides a structure of a microwave oven for preventing a needle from being inserted into the microwave oven. The structure comprise a body of a baking chamber, a front baffle plate and an oven door of the baking chamber, wherein the body of the baking chamber is formed in the microwave oven; the front baffle plate is arranged on the front side of the body; the oven door of the baking chamber can rotate, can be closed, and is arranged on one side of the body; an edging is arranged on a lower edge part of the oven door corresponding to the front baffle plate; and the edging and the oven door can be integrally formed. The present invention has the advantages that because of the edging arranged on the lower edge part of an oven door panel, gaps formed between the oven door and the front baffle plate can be sealed, foreign matter is prevented from being inserted into the microwave oven through the gaps, electric sparks are prevented from being produced in the baking chamber. The edging and the oven door panel are integrally formed in an injection molding mode, so no edging forming process step needs to be additionally added or no edging die needs to be additionally manufactured, the production efficiency is improved, and the production cost is reduced.

Description

Micro-wave oven prevents that pin from inserting structure

Technical field

The present invention is the invention of relevant micro-wave oven, and particularly relevant micro-wave oven prevents that pin from inserting the invention of structure.

Background technology

Micro-wave oven is the cooking equipment that utilizes microwave that the food of roasting inside, chamber is heated, and when micro-wave oven used, microwave and food molecule interacted and produce frictional heat.Micro-wave oven utilizes this frictional heat heat food.

Fig. 1 is the profile of general micro-wave oven; Fig. 2 inserts the profile of structure for the pin that prevents of general micro-wave oven.As shown in the figure, micro-wave oven includes main body 10, fire door 16, and wherein, main body 10 inside are provided with barbecue chamber 12, and front apron 14 is located at the front of main body 10.On front apron 14, be provided with rotatable fire door 16, and the gateway, barbecue chamber that is formed on the baffle plate 14 is opened and closed.

The on-off action in barbecue chamber 12 is finished by the rotation of fire door 16, and when barbecue chamber 12 was closed, fire door 16 was after the rotation of the front of main body 10, and combining closely in the front of the inboard of fire door 16 and front apron 14, seals barbecue chamber 12 with this.Like this, can prevent to roast the microwave of 12 inside, chamber to external leakage.

In addition, even after fire door 16 and front apron are combined closely, between the inboard of sealing barbecue chamber 12 and fire door 16 and the front of front apron 14, also might form fine slit.And, by the slit, might enter the foreign matter such as pin.

If by the foreign matter that the slit enters, when entering into barbecue chamber 12, the microwave of barbecue 12 inside, chamber and the wedge angle portion of foreign matter might produce spark, and spark might cause the inner breaking out of fire of micro-wave oven.In order to prevent this situation, general micro-wave oven as shown in Figure 2, forms fringing 18 at the downside of front apron 14.

Fringing 18 is formed on the lower edge position of front apron 14, forwards prolongs.In addition, under the state of barbecue chamber 12 sealings, fringing 18 is positioned at the below of fire door 16.Therefore, fringing 18 can be sealed, and is formed on the slit between fire door 16 inboards and the front apron 14, prevents that foreign matter from entering barbecue 12 inside, chamber by the slit.

But the micro-wave oven under the conventional art prevents that pin from inserting structure, exists following problem.

Usually, front apron 14 is with the impact style moulding.And front apron 14 needs to increase the stamping procedure number of times in order to form the fringing 18 that prolongs to micro-wave oven the place ahead at downside.Thereby, not only increase the production process of front apron 14, and strengthen cost of manufacture.

Summary of the invention

In order to solve the problem that exists in the above-mentioned technology, the object of the invention provides a kind of micro-wave oven and prevents that pin from inserting structure, is beneficial to reduce manufacturing process, reduces production costs.

For achieving the above object, technical scheme of the present invention provides a kind of micro-wave oven and prevents that pin from inserting structure, described micro-wave oven includes the main body in the inner formation barbecue of micro-wave oven chamber, is provided with front apron in the main body front and the fire door in and switching barbecue chamber rotatable in a side of main body, wherein: between fire door and front apron, be provided with and prevent that pin from inserting structure, this prevent pin insert structure be arranged on fire door opened and closed end downside and prolong backward, with the corresponding fringing in front apron lower edge position.

Described fringing and the fire door part that is formed in one.

Effect of the present invention is that micro-wave oven prevents that pin from inserting structure, owing to be located at the fringing at fire door panel lower edge position, can seal the slit between fire door and the front apron, therefore can prevent that foreign matter from inserting by the slit, has prevented the inner electric spark that produces in the barbecue chamber.This fringing need not add the fringing molding procedure in addition or make the fringing mould in addition with injection moulding mode and fire door bodyization.Can enhance productivity, reduce production costs.

Description of drawings

Fig. 1 is the profile of general microwave oven;

Fig. 2 inserts the profile of structure for the pin that prevents of general micro-wave oven;

Fig. 3 inserts structure embodiment profile for the pin that prevents of the present invention.

Among the figure:

12: barbecue chamber 24: front apron

26: fire door 28: fringing

The specific embodiment

With reference to drawings and Examples micro-wave oven of the present invention is prevented that pin from inserting structure and being elaborated.

Fig. 3 inserts structure embodiment profile for the pin that prevents of the present invention.As shown in the figure, the micro-wave oven body interior is provided with food heating space-barbecue chamber 12 (please refer to Fig. 1).Be provided with front apron 24 in the front of main body.On front apron 24, form barbecue gateway, chamber, so that put into or take out food from barbecue chamber 12.

On a side of front apron 24, be provided with the rotatable fire door 26 that opens and closes barbecue chamber 12, can open and close barbecue chamber 12 with being allowed a choice.Combining closely in the front of the inboard of fire door 26 and front apron 24, and seals when roasting chamber 12, between fire door 26 and the front apron 24, might form fine slit.And might enter foreign matter by this slit.

In order to prevent that foreign matter from passing through the slit between fire door 26 and the front apron 24, insert barbecue chamber 12, the downside of fire door 26 is provided with the fringing 28 that rearward prolongs.When fire door 26 sealing barbecue chambeies 12, that is, when combine closely in the front of the inboard of fire door and front apron 24, fringing 28 can be positioned at the below at front apron 24 lower edge positions.Make the inboard of fire door 26 and the slit between front apron 24 fronts, can be sealed by fringing 28.Therefore, just can prevent to take place the insertion of foreign matter by the slit.The fire door panel of fire door 26 inboards is normally with injection mo(u)lding.Therefore, with fire door 26 integrated fringing 28 injection molding parts than punch forming, be more prone to make.

With reference to Fig. 3, micro-wave oven of the present invention prevents that pin from inserting structure, and is as follows to its Action Specification.

At first, cook, open the fire door 26 that is located at micro-wave oven front apron 24 1 sides, open barbecue chamber 12 (please refer to Fig. 1) in order to utilize micro-wave oven.Then food is put in the barbecue chamber 12, fire door 26 is closed, make barbecue chamber 12 be in closed state.

Thereupon, in order to seal the fire door 26 that barbecue chamber 12 is rotated, combine closely in its inboard front with front apron 24.At this moment, might form fine slit between the front of the inboard of fire door 26 and front apron 24.

And fire door 26 lower edge positions form the fringing 28 that rearward prolongs.To the rotation of micro-wave oven rear, under the state in sealing barbecue chamber 12, fringing 28 can be positioned at the below at front apron 24 lower edge positions at fire door 26.Thereby fringing 28 can be sealed the slit between fire door 26 and the front apron 24.

In sum, the present invention is a basic fundamental thought with following content.Be closed in the barbecue chamber, under the state of combining closely in the inboard of fire door and the front of front apron, the slit between closed furnace door and the front apron is provided with fringing.And this fringing can be when injection mo(u)lding fire door panel, and is one-body molded with the fire door panel.

In basic fundamental thought range of the present invention, can carry out a lot of technical schemes and change, all within claim protection domain of the present invention.

Claims

1. a micro-wave oven prevents that pin from inserting structure, described micro-wave oven includes the main body in the inner formation barbecue of micro-wave oven chamber, is provided with front apron in the main body front and the fire door in and switching barbecue chamber rotatable in a side of main body, it is characterized in that: between fire door (26) and front apron (24), be provided with and prevent that pin from inserting structure, this prevent pin insert structure for the downside of the opened and closed end that is arranged on fire door (26) and prolong backward, with the corresponding fringing in front apron (24) lower edge position (28).

2. micro-wave oven according to claim 1 prevents that pin from inserting structure, is characterized in that: described fringing (28) and fire door (26) part that is formed in one.