CN1752560A - Grounding structure for stainless steel casing of microwave oven - Google Patents
Grounding structure for stainless steel casing of microwave oven Download PDFInfo
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- CN1752560A CN1752560A CN 200410071962 CN200410071962A CN1752560A CN 1752560 A CN1752560 A CN 1752560A CN 200410071962 CN200410071962 CN 200410071962 CN 200410071962 A CN200410071962 A CN 200410071962A CN 1752560 A CN1752560 A CN 1752560A
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- stainless steel
- steel casing
- ground
- ground connection
- microwave oven
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Abstract
The present invention discloses a grounding structure of stainless steel external shell of microwave oven. It includes front panel placed in the front of oven cavity for cooking food, stainless steel external shell placed at one side of front surface of said front panel and formed into control panel component appearance and grounding component making the stainless steel external shell be grounded. Said grounding component is composed of grounding groove formed on one side of front panel and grounding rib formed on the stainless steel external shell.
Description
Technical field
The present invention relates to a kind of micro-wave oven, especially a kind of ground structure that makes the stainless steel casing of microwave oven of stainless steel casing of microwave oven and the easier ground connection of micro-wave oven body.
Background technology
Generally, micro-wave oven be a kind of be the energy with the electric energy, produce microwave by magnetron, and microwave irradiation arranged the device of food at heating object such as food.Micro-wave oven roughly is divided into home-use micro-wave oven and commerce micro-wave oven.The particularly commercial micro-wave oven of use, the main use in the high convenience store of frequency of utilization or the food supply retail shop of short time cooking food, compared with home-use micro-wave oven, general power output that need be high relatively.Commerce for high power output is provided, adopts a plurality of or powerful magnetron with micro-wave oven.
As shown in Figure 1, commercial with micro-wave oven (hereinafter to be referred as micro-wave oven), comprise by the shell that forms outward appearance, furnace chamber 20, constitute at the electricity storage chamber 30 of the square one-tenth in the right side of furnace chamber 20,40 and the control panel assembly 50 that are located at furnace chamber 20 fronts.
Shell forms the micro-wave oven outward appearance, also plays the effect of the inner furnace chamber 20 of protection simultaneously.Therefore, the furnace chamber 20 general steel plates with certain intensity that adopt are made.
Shell comprises that the rear board 17 at the base plate 13 below the top panel 15 of the top and two sides that cover furnace chamber 20 simultaneously, protection, the front panel 11 that forms furnace chamber 20 fronts, protection furnace chamber 20 back sides constitutes.
Top, the front of plate 11 connects the combined hole 11a that is formed with the fixing following stainless steel casing that will illustrate in front.
Furnace chamber 20 is actually the space of cooking such as cooking food things, is made of the cuboid chest of front openings.Food after promptly can putting into food and take out the cooking from opening the place ahead of furnace chamber 20.
The electricity storage chamber 30 of electronic unit is set in the right side of furnace chamber 20 side space formation one.
Electricity storage chamber 30 inside are provided with a plurality of electronic units such as transformer 31, magnetron 33, cfentrifugal blower 35, capacitor 37.In addition, electricity storage chamber 30 inside promptly are provided with dividing plate 39 between transformer 31 and the cfentrifugal blower 35.Transformer 31 and cfentrifugal blower 35, capacitor 37, dividing plate 39 be fixed on sub-panel S above, sub-panel S and bottom panel 13 top separated by a distance.
In a plurality of electronic units, especially transformer 31 and magnetron 33 play a part to produce the microwave of irradiation furnace chamber 20 inside, but electronic unit generates heat in the process that produces microwave.So in the time of cooking food, the temperature of electricity storage chamber 30 rises.
For the electricity storage chamber 30 of cooling off heating, need to suck extraneous air, suck extraneous air by cfentrifugal blower 35.
Because cfentrifugal blower 35 is arranged on above the sub-panel S, with the certain altitude of being separated by above the bottom panel 13.Therefore, the blowing fan (not shown) of cfentrifugal blower 35 inside rotation, then Xia Fang air is guided by cfentrifugal blower 35, flow into electricity storage chamber 30 inside, and electricity storage chamber 30 is cooled off by leaked-in air.
In addition, the place ahead of electricity storage chamber 30 is provided with control panel assembly 50, and the front of control panel assembly 50 is covered by stainless steel casing 51.
Describe the structure of stainless steel casing 51 in detail below in conjunction with accompanying drawing 2:
As shown in Figure 2, stainless steel casing 51 is formed by long cuboid, thereafter direction front panel 11 openings.In addition, above stainless steel casing 51, be formed with ground connection bend 60.Ground connection bend 60 is that integrally bending forms.
Ground connection bend 60 is positioned at the top of stainless steel casing 51, is repeatedly crooked form, and its end is formed with the stiff end 60a from the top bending, and the internal run-through of stiff end 60a is formed with the through hole 60b of set bolt class 65.
The inside of stainless steel casing 51 is close to two sides adhesive tape or adhesive and is fixed with plastic casing.
But stainless steel casing 51 has following shortcoming: in order to form ground connection bend 60 above stainless steel casing 51, stainless steel casing 51 is crooked several times, so the complex structure of stainless steel casing 51.When making the stainless steel casing 51 of said structure complexity, need to make baroque mould, the Mold Making expense rises, and the production cost of micro-wave oven is risen.In addition, the through hole 60b that is positioned on the ground connection bend 60 stiff end 60a is not exposed to the front, and the fixedly difficulty of bolt class 65 is so the assembling operation of stainless steel casing 51 is low.
Summary of the invention
Technical problem to be solved by this invention is that the structure of a kind of stainless steel casing of microwave oven by simple grounding structure is provided.
For the technical solution problem, the technical solution used in the present invention is: a kind of ground structure of stainless steel casing of microwave oven comprises the grounding assembly that is arranged on the front panel of putting into the furnace chamber front that cooking cooks behind the thing, is arranged on front one side of front panel and forms the stainless steel casing of control panel assembly outward appearance, stainless steel casing is carried out ground connection.
Described grounding assembly comprises the ground slot of a side that is formed on front panel and is formed on stainless steel casing and is installed in ground connection rib in the ground slot.
Described ground slot is formed on the upper end of front panel.
Described ground connection rib is that formation is protruded in the rear end above stainless steel casing.
In ground slot, connect and form promising combined hole, on the ground connection rib, form promising through hole in conjunction with the set bolt class in conjunction with the set bolt class.
Described ground connection rib and stainless steel casing are whole to be formed.
The ground structure of stainless steel casing of the present invention has following effect:
1) even without crooked stainless steel casing one side, the ground connection rib is whole formation on stainless steel casing, so can produce the stainless steel casing of simple structure.Thus, the mould of making stainless steel casing becomes simply, reduces the expense of making stainless steel casing.
2) manufacturing cost of stainless steel casing descends, and the manufacturing cost of micro-wave oven is also reduced, and can produce the micro-wave oven of low price competitiveness.
3) can be from being exposed on the external the fixedly stainless steel casing ground connection rib of top, easily set bolt shortens the stainless steel casing built-up time.
4) the ground connection rib of stainless steel casing can not expose to the micro-wave oven front, can make the outward appearance of micro-wave oven more attractive in appearance, improves consumer's desire to buy.
Description of drawings
Fig. 1 is general microwave oven stereogram.
Fig. 2 is the stainless steel casing of microwave oven stereogram that prior art has ground structure.
Fig. 3 is the stainless steel casing of microwave oven stereogram of band of the present invention with ground structure.
To be ground structure of the present invention be fixed on fragmentary cross-sectional view on the front panel to the upside of stainless steel casing to Fig. 4.
Among the figure,
100: front panel 130: the upside bend
200: stainless steel casing 210: front face
230: side surface part 250: go up facial
300: ground slot 310: combined hole
400: ground connection rib 410: through hole
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Micro-wave oven comprises by the shell that forms outward appearance, the furnace chamber of putting into food, the electricity storage chamber that a plurality of electronic units of promising control furnace chamber are set and constituting.The front of furnace chamber is provided with the door that selectivity opens and closes furnace chamber inside, and the front of electricity storage chamber is provided with the control panel assembly that demonstration furnace chamber running status and user import cooking methods.The control panel assembly comprises by stainless steel casing 200, plastic casing (figure slightly) and the control panel C that is arranged on stainless steel casing 200 fronts and constituting.
As shown in Figure 3, the preceding right side of face of plate 100 is formed with the connected entrance 110 of appointment in front, and is provided with stainless steel casing 200 in such connected entrance 110 the place aheads.
The upper end of front panel 100 is formed with rearward crooked upside bend 130, is formed with the ground slot 300 of depression downwards on the right lateral bending plane of upside bend 130.The stainless steel casing ground connection rib that will illustrate below ground slot 300 is installed is for a kind of stepped.In addition, be formed with combined hole 310 in the perforation of the bottom surface of ground slot 300.
Stainless steel casing 200 is made of front face 210, side surface part 230, last face 250 and lower face (not shown), and the rear end of portion 250 is formed with ground connection rib 400 in the above.
Side surface part 230 is that benchmark is rearward crooked with front face 210, thus side surface part 230 and on/be formed with certain space between the lower face.Such space becomes plastic casing (not shown) and is inserted into stainless steel casing 200 volume inside.
The rear end of portion 250 is formed with the ground connection rib 400 that rearward protrudes in the above, and the internal run-through of ground connection rib 400 is formed with through hole 410.
Stainless steel casing 200 manufacturing process are as described below:
Stainless steel casing 200 usefulness corrosion resistant plates are made.Corrosion resistant plate improves the shortcoming of iron, adds the corrosion resisting steel of chromium or nickel in iron, according to the content of chromium and the nickel stainless steel of classifying.
Stainless steel casing 20 is general with the die-cut method making of stamping machine.Insert corrosion resistant plate after the mould with stainless steel casing 200 shapes is installed on the stamping machine, die-cut corrosion resistant plate is produced the stainless steel casing 200 of designated shape.
The method that forms ground connection rib 400 on stainless steel casing 200 is as follows:
A kind ofly form simultaneously when being die-cut stainless steel casing 200.The part of trimming mould makes it can form ground connection rib 400, die-cut then corrosion resistant plate, and integral body is formed with ground connection rib 400 on stainless steel casing 200.
Another kind is finished the attached ground rib 400 that amplexiforms in facial 250 rear ends on the product at stainless steel casing 200.
The formation method of ground connection rib 400 is not limited in the said method, in order to install and easy to make, can carry out multiple choices.
Fixedly the process of stainless steel casing 200 is as follows in the front of plate 100 in front:
Though not shown in the figures, stainless steel casing 200 inside are inserted with plastic casing.When stainless steel casing 200 is close to front panel 100 fronts ground connection rib 400 is installed to 300 li of the ground slots of front panel 100.
If ground connection rib 400 is installed to ground slot 300, combined hole 310 alignment of the through hole 410 of ground connection rib 400 inside and ground slot 300 bottom surfaces.Then, connect through hole 410, make following ground slot 300 bottom surfaces that are fixed on front panel 100 of being close to by bolt class 450 of ground connection rib 400 from upper fixed bolt class 450.
If ground connection rib 400 is close to the ground slot 300 of front panel 100, the electric current of stainless steel casing 200, the static of more correctly saying so is sent to front panel 100 along ground connection rib 400.
The present invention is that to be equipped with unbent ground connection rib be basic thought in rear end facial on stainless steel casing.In basic thought scope of the present invention, those skilled in the art can carry out more distortion.
Claims (6)
1, a kind of ground structure of stainless steel casing of microwave oven is characterized in that comprising the grounding assembly that is arranged on the front panel (100) of putting into the furnace chamber front that cooking cooks behind the thing, is arranged on front one side of front panel (100) and forms the stainless steel casing (200) of control panel assembly outward appearance, stainless steel casing is carried out ground connection.
2, the ground structure of stainless steel casing of microwave oven according to claim 1 is characterized in that described grounding assembly comprises the ground slot (300) of a side that is formed on front panel and is formed on the ground connection rib (400) that ground slot (300) lining was gone up and be installed in to stainless steel casing (200).
3, the ground structure of stainless steel casing of microwave oven according to claim 1 and 2 is characterized in that described ground slot (300) is formed on the upper end of front panel (100).
4, the ground structure of stainless steel casing of microwave oven according to claim 1 and 2 is characterized in that described ground connection rib (400) is the rear end protrusion formation above stainless steel casing (200).
5, the ground structure of stainless steel casing of microwave oven according to claim 1 and 2, it is characterized in that connecting formation promising combined hole (310), go up at ground connection rib (400) and form promising through hole (410) in conjunction with the set bolt class in conjunction with the set bolt class in ground slot (300) lining.
6, the ground structure of stainless steel casing of microwave oven according to claim 1 and 2 is characterized in that the whole formation of described ground connection rib (400) and stainless steel casing (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100719622A CN100465524C (en) | 2004-09-20 | 2004-09-20 | Grounding structure for stainless steel casing of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100719622A CN100465524C (en) | 2004-09-20 | 2004-09-20 | Grounding structure for stainless steel casing of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1752560A true CN1752560A (en) | 2006-03-29 |
| CN100465524C CN100465524C (en) | 2009-03-04 |
Family
ID=36679516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100719622A Expired - Fee Related CN100465524C (en) | 2004-09-20 | 2004-09-20 | Grounding structure for stainless steel casing of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100465524C (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08203666A (en) * | 1995-01-30 | 1996-08-09 | Matsushita Electric Ind Co Ltd | Cooker |
| DE19649047C2 (en) * | 1996-11-27 | 1998-09-10 | Juno Kuechentech Electrolux | Household appliance with a control panel which is fastened with fastening elements which are not visible from the front |
| CN1289866C (en) * | 2002-11-26 | 2006-12-13 | 乐金电子(天津)电器有限公司 | Control panel assembling structure of microwave oven |
-
2004
- 2004-09-20 CN CNB2004100719622A patent/CN100465524C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100465524C (en) | 2009-03-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20091020 |