CN1752536A - Metal plate structure for back of microwave oven - Google Patents
Metal plate structure for back of microwave oven Download PDFInfo
- Publication number
- CN1752536A CN1752536A CN 200410072026 CN200410072026A CN1752536A CN 1752536 A CN1752536 A CN 1752536A CN 200410072026 CN200410072026 CN 200410072026 CN 200410072026 A CN200410072026 A CN 200410072026A CN 1752536 A CN1752536 A CN 1752536A
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- micro
- guide cover
- wave oven
- metallic plate
- exhaust guide
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Abstract
The present invention discloses a rear metal plate structure of microwave oven, belonging to heating device by using microwave. It includes an exhaust opening capable of discharging out the air from electric chamber interior towards back direction of microwave oven and exhaust guide cover which is formed on the outside surface of rear metal plate and is used for making the air discharged from exhaust opening be discharged into left side and right side. The rear metal plate is equipped with stamped portion, and the exhaust guide cover is equipped with projection capable of preventing contact.
Description
Technical field
The invention relates to the device that utilizes heating using microwave, more detail is the gas of discharging, be deflated the metal plate structure for back of the micro-wave oven that guide cover blows to the left and right once more by metallic plate exhaust outlet behind the micro-wave oven.
Background technology
In general, micro-wave oven is to utilize electric current supply magnetron to produce microwave, microwave irradiation is realized the device of cooking food to the heating objects such as food again.
Such micro-wave oven can be divided into: the home-use micro-wave oven and the commerce micro-wave oven that is equipped with large-scale or a plurality of magnetrons that are equipped with small-sized magnetron.
Also have, can distinguish the food mode of heating: the rotary-tray mode of general food that home-use micro-wave oven adopts rotation, the commercial control fan mode that then adopts injection microwave at random with micro-wave oven according to micro-wave oven.
It is on the one hand, commercial that generally to be used for the high convenience store of frequency of utilization or to need the restaurant of cooking food in the short time with micro-wave oven be main; So, when comparing with home-use micro-wave oven, the high relatively power output of general requirement.
Below utilize as above-mentioned commercial accompanying drawing and describe in detail with micro-wave oven (the following micro-wave oven that cries) structure.
Fig. 1 is the general commercial microwave oven structure schematic diagram of using; Fig. 2 is the part-structure schematic diagram of the metal plate structure for back of micro-wave oven in the prior art.
At first, with reference to Fig. 1, general microwave oven structure, micro-wave oven is to be made of the shell that forms profile and culinary art chamber 20 and electric apparatus room 30, and is arranged on the door 40 on culinary art 20 fronts, chamber.
Shell mainly works to form profile and its inner culinary art chamber 20 of protection, and therefore, shell is general to be made with the steel plate that has certain intensity.
Shell is the center setting with culinary art chamber 20, and it is by a last metallic plate 11 that above the culinary art chamber 20 and two sides are sealed simultaneously, protects following chassis 13, forms the header board 15 in culinary art 20 fronts, chamber, and back metallic plate 17 formations at 20 back sides, chamber are cooked in protection.
At back 17 of metallic plates exhaust outlet 17a ', the 17a that will illustrate below being formed with ".
The culinary art chamber 20 of similar cubic flask of front openings is the space of culinary art such as cooking food thing.Promptly drop into food, after culinary art is finished, take out from opening the place ahead.Such culinary art chamber 20 is fastened fix on the following base that will illustrate above.
On the one hand, above-mentioned a plurality of electronic units, particularly transformer 31 and magnetron 33 are to produce the microwave that emits to culinary art 20 inside, chamber, and in this process, above-mentioned electronic unit can produce heat of high temperature.Therefore, electric apparatus room 30 temperature can rise during cooking food.
In order to cool off the electric apparatus room 30 that is heated, need suck air from the outside, this is realized by air blast 35.
With reference to Fig. 2, to the back metallic plate 17 more detailed being described as follows in the back side:
Be formed with upside exhaust outlet 17a ' and downside exhaust outlet 17a up and down in metallic plate 17 about centre positions, back ", such exhaust outlet 17a ', 17a " below then be fixed with exhaust cap 17b ', 17b separately ".
Exhaust cap 17b ', 17b " constitute stairstepping, opening upward above it.Therefore by guiding upward under the effect of exhaust outlet 17a ', 17a " air of discharging is at exhaust cap 17b ', 17b ".
But, have following problem as above-mentioned prior art.
2 hierarchic structures promptly are superimposed with under the situation of other micro-wave oven or baking box etc. on the micro-wave oven that uses, and add the micro-wave oven that hot-air can be above rising to from what following micro-wave oven was discharged.At this moment can occur because the hot-air that following micro-wave oven produces has influence on the problem that top micro-wave oven is heated.
The hot gas that particularly following micro-wave oven produces is heated the power spare of top micro-wave oven, causes power spare scaling loss.That is, the problem that top micro-wave oven can't normally move appears.
Summary of the invention
The objective of the invention is in order to solve the problem that prior art exists, and the micro-wave oven metal plate structure for back of the air exhaust to the left and right that a kind of handle discharges from the rear is provided.
To achieve these goals, metallic plate comprises the exhaust outlet of electric apparatus room inner air to micro-wave oven rear discharge function behind the micro-wave oven of the present invention; And be formed with the exhaust guide cover of the air of discharging by exhaust outlet being sent to the left and right guide effect in the metallic plate exhaust outlet outside, back.
Above-mentioned exhaust guide cover be preferably in back metallic plate lateral surface keep at a certain distance away form good.
Be preferably formed as on the lateral surface of above-mentioned exhaust guide cover and prevent that the contact projection that prevents that exhaust guide cover and wall closely contact from being good.
Prevent that afterwards metallic plate is good with the pressing part that wall closely contacts being preferably formed as on the metallic plate of above-mentioned back to prevent to be formed with on back metallic plate and the back metallic plate.
Above-mentioned pressing part preferably with the exhaust guide cover outside corresponding height form good.
Like this, the air of discharging by back metallic plate exhaust outlet is under the effect of exhaust guide cover about guiding, so, have the advantage that prevents that the parts above the micro-wave oven are heated.
Metal plate structure for back according to the micro-wave oven of above-mentioned making has following effect.The air of discharging from back metallic plate exhaust outlet is not upward under the effect of exhaust guide cover, but air-supply to the left and right.Such structure promptly is provided with other micro-wave oven on micro-wave oven under the situation of 2 ladder micro-wave ovens, the hot gas of discharging from following micro-wave oven can not rise up into the top micro-wave oven yet.Therefore, has the advantage that can prevent to have influence on top micro-wave oven owing to the hot gas that following micro-wave oven is discharged.
As above-mentioned, below the micro-wave oven air of discharging when not discharging toward top micro-wave oven, the advantage that prevents from top micro-wave oven power spare is caused damage is particularly arranged.
Also have, on the metallic plate lateral surface of back, form and prevent contact projection and pressing part, can make the micro-wave oven front that is set in the kitchen cabinet keep smooth.Can make the micro-wave oven outward appearance beautiful like this, have and to improve the advantage of consumer the goods desire to purchase.
Also have, back metallic plate keeps the interval with the kitchen cabinet internal face by preventing contact projection and pressing part, makes from exhaust outlet discharge air to be more prone to.
Description of drawings
Fig. 1 is the general commercial microwave oven structure schematic diagram of using;
Fig. 2 is the back metal plate sections structural representation of micro-wave oven in the prior art;
Fig. 3 is a metallic plate perspective view behind the micro-wave oven of the present invention;
Fig. 4 is the part perspective view of exhaust guide cover of the present invention;
Fig. 5 is an exhaust guide cover perspective view among Fig. 4.
Explanation to pith symbol in the drawing:
100: back metallic plate 110: exhaust outlet
200: exhaust guide cover 210: planar portions
230: zig zag plane 250: stiff end
270: prevent contact projection 300: pressing part.
The specific embodiment
It is following that the present invention is described in detail with reference to drawings and Examples.
Fig. 3 is a metallic plate perspective view behind the micro-wave oven of the present invention; Fig. 4 is the part perspective view of exhaust guide cover of the present invention; Fig. 5 is an exhaust guide cover perspective view among Fig. 4.
At first, micro-wave oven is the culinary art chamber by shell that forms profile and placement cooking food, the electric apparatus room that is provided with a plurality of electronic units of control culinary art chamber effect, and metallic plate constitutes after culinary art back, chamber is provided with.
As shown in Figure 3 and Figure 4, back metallic plate 100 of the present invention is that the similar four template structures of being out of shape form.Though the front of back metallic plate 100 like this is not shown, closely be fixed on culinary art back, chamber.That is, culinary art back, chamber is being protected by back metallic plate 100.Simultaneously, above-mentioned back metallic plate 100 also has the function that forms the micro-wave oven profile.For this reason, the back metallic plate 100 the most handy sheet metal components that have certain intensity are made as.
So-called sheet metal component is put into iron plate going out and is formed after setting grinding tool on the punch press, above-mentioned back metallic plate (100) is exactly a sheet metal component.
Above left side, metallic plate 100 back sides, back, be formed with exhaust outlet 110.Though this exhaust outlet 110 is not shown, link to each other with the discharge duct export department of electric apparatus room inside.That is, the air of deriving by the electric apparatus room discharge duct is discharged at metallic plate 100 rears backward through exhaust outlet 110.
The outside of this exhaust outlet 110 is formed with exhaust guide cover 200.
Describe the formation of exhaust guide cover 200 in detail with reference to Fig. 5.
At first, planar portions 210 is major parts of exhaust guide cover 200, has the profile of similar straight four jiaos of types.Planar portions 210 is to form on the position that exhaust outlet 110 lateral surfaces keep at a certain distance away.So, planar portions 210 keeps at a certain distance away in order to allow the easier discharge of air of discharging from exhaust outlet 110 design from exhaust outlet 110.
On the one hand, planar portions 210 is preferably relative with exhaust outlet 110 to should be good, and planar portions 210 is wideer than exhaust outlet 110 at least.If the size of planar portions 210 was than exhaust outlet 110 hours, exhaust outlet 110 can leak outside certainly, also has the air of discharging from exhaust outlet 110 to walk upward.This kind situation can not overcome the problem that prior art exists, so be worthless.
Also have, the shape of planar portions 210 is not confined to straight four jiaos of types, can change for good flexibly according to the structure of exhaust outlet 110.
Be formed with the tortuous zigzag part 230 that forms downwards in upper and lower end parts as above-mentioned planar portions 210.This zigzag part 230 forms in order to allow planar portions 210 have certain altitude.Therefore, planar portions 210 is in the exhaust outlet 110 of back metallic plate 100 with the size interval of zigzag part 230.
At the then tortuous once more stiff end 250 that forms of the downside end of zigzag part 230.
On the one hand, in the outside of exhaust guide cover 200, more detail is on planar portions 210 to form and prevent contact projection 270.
In the time of above micro-wave oven is set to kitchen cabinet etc., prevent that contact projection from being to contact and be provided with the kitchen cabinet internal face for the outside that prevents exhaust guide cover 200.
The contact projection 270 that prevents like this forms respectively in planar portions 210 left and right sides, also can be that one or more a plurality ofly constitutes according to designer's selection.
Forming process as the exhaust guide cover 200 of above-mentioned formation is as follows:
At first, make corresponding mould, again mould is arranged on the punch press according to the shape of exhaust guide cover 200.Add iron plate and carry out punching press setting on the punch press of mould then, promptly finish as the exhaust guide cover 200 of said structure and make.But the method that the making of exhaust guide cover 200 also can utilize a certain size iron plate repeatedly to bend is made.
Also have, exhaust guide cover 200 also can be made of synthetic resin.That is, behind the injecting synthetic resin raw material, process high pressure type-approval process also can obtain the exhaust guide cover 200 as said structure in the mould.
Be fixed on back metallic plate 100 as above-mentioned exhaust guide cover 200, in more detail the most effectual way on exhaust outlet 110 outsides is to utilize welding method to fix.That is, after exhaust outlet 110 covered exhaust guide cover 200 benchmark, 250 places carried out spot welding at stiff end, and like this, what exhaust guide cover 200 can be firm is fixed on metallic plate 100 exhaust outlets 110 outsides, back.
Certainly, the spot welding fixation of exhaust guide cover 200 only is an example in the fixing means, and more various method also is to fix as utilizing fixed lobe and holddown groove.Also have,, can't weld, so need immobilization materials such as adhesive or two sides adhesive tape if exhaust guide cover 200 is under the situation that synthetic resin constitutes.
On the one hand, on the metallic plate 100 about right side position intermediate of back, be formed with pressing part 300.
Pressing part 300 rearward protrudes formation from back metallic plate 100 lateral surfaces, and constitutes with back metallic plate 100 one.But pressing part 300 also can be a method of utilizing other material to be fixed on the metallic plate 100 of back to be constituted.
Such pressing part 300 has and exhaust guide cover 200 lateral surfaces, more detail is preventing contact projection 270 corresponding height.This is because when being arranged on micro-wave oven in the kitchen cabinet under the state that only forms exhaust guide cover 200, only has the contact projection 270 that prevents on the exhaust guide cover 200 to contact with the kitchen cabinet inwall, causes the positive face tilt of micro-wave oven.Therefore, add pressing part 300 after, micro-wave oven is positive can to keep flat condition.Be that the contact projection 270 that prevents on the exhaust guide cover 200 contacts with the kitchen cabinet internal face with pressing part 300.
Also has pressing part 300 formation that between back metallic plate 100 lateral surfaces and kitchen cabinet internal face, keeps at a certain distance away.This has the easier discharge function of air that allows from about 200 discharges of exhaust guide cover at interval.
As above-mentioned, the present invention is on the outlet lateral surface that the micro-wave oven inner air is discharged, and forms discharging the exhaust guide cover that air leads to the left and right and sends, and this is a basic thought of the present invention.Therefore, as its name suggests, in basic thought scope of the present invention for the industry in the technical staff, may carry out various variation.
Claims (5)
1. the metal plate structure for back of a micro-wave oven comprises the outlet that the electric apparatus room inner air is discharged to the micro-wave oven rear, it is characterized in that back metallic plate lateral surface is formed with the exhaust guide cover that the air of discharging from exhaust outlet is discharged to the left and right.
2. metal plate structure for back according to claim 1 is characterized in that the exhaust guide cover is in the formation that keeps at a certain distance away of back metallic plate lateral surface.
3. metal plate structure for back according to claim 1 and 2 is characterized in that being formed with on the exhaust guide cover lateral surface contact projection that prevents that prevents that exhaust guide cover and wall from closely contacting.
4. metal plate structure for back according to claim 1 and 2 is characterized in that being formed with on the metallic plate of back the pressing part that prevents that back metallic plate and wall from closely contacting.
5. metal plate structure for back according to claim 4 is characterized in that the corresponding height with exhaust guide cover lateral surface of pressing part forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072026 CN1752536A (en) | 2004-09-21 | 2004-09-21 | Metal plate structure for back of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072026 CN1752536A (en) | 2004-09-21 | 2004-09-21 | Metal plate structure for back of microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1752536A true CN1752536A (en) | 2006-03-29 |
Family
ID=36679492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072026 Pending CN1752536A (en) | 2004-09-21 | 2004-09-21 | Metal plate structure for back of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1752536A (en) |
-
2004
- 2004-09-21 CN CN 200410072026 patent/CN1752536A/en active Pending
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