CN1752538A - Exhaust pipe fixing structure for microwave oven cavity - Google Patents
Exhaust pipe fixing structure for microwave oven cavity Download PDFInfo
- Publication number
- CN1752538A CN1752538A CN 200410072029 CN200410072029A CN1752538A CN 1752538 A CN1752538 A CN 1752538A CN 200410072029 CN200410072029 CN 200410072029 CN 200410072029 A CN200410072029 A CN 200410072029A CN 1752538 A CN1752538 A CN 1752538A
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- furnace chamber
- fixed
- exhaust manifolds
- exhaust
- lug boss
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Abstract
The present invention relates to a fixing structure of oven cavity exhaust conduit for discharging internal air of microwave oven cavity into the exterior of microwave oven. Said fixing structure is characterized by that one end of the exhaust conduit is fixed by utilizing a projection portion, and its another end is fixed by utilizing a screw.
Description
Technical field
The invention relates to micro-wave oven, more particularly, is the fixed structure that makes furnace chamber inner air row to the furnace chamber exhaust manifolds of micro-wave oven outside about a kind of.
Background technology
Generally, micro-wave oven is to generate microwave according to power turn-on at magnetron, and makes heating objects [also being called medium] such as these microwave irradiation foods and the device of cooking food.
Such micro-wave oven can be divided into home-use micro-wave oven that is equipped with small-sized magnetron and the commerce micro-wave oven that is equipped with large-scale or a plurality of magnetrons.
In addition, micro-wave oven can also be distinguished according to the mode of heat food, and home-use micro-wave oven generally adopts the glass rotating disk mode of rotation food, the commercial stirring fan mode that mainly adopts microwave at random with micro-wave oven.
In addition, commercial mainly be applicable to the convenience store that utilization rate is high and the food supply retail shop of cooking food at short notice, so generally need the high relatively output of more home-use micro-wave oven with micro-wave oven.
Specify above-mentioned commercial structure below in conjunction with drawings and Examples with micro-wave oven (hereinafter to be referred as micro-wave oven).Fig. 1 is the general commercial microwave oven oblique view of using.Fig. 2 is the part oblique view that is arranged on surface state on the furnace chamber according to the furnace chamber exhaust manifolds of prior art.
Specify the formation of general micro-wave oven below with reference to Fig. 1.
Micro-wave oven comprises by the shell that forms outward appearance, furnace chamber 20, and electricity storage chamber 30, the door 40 that is located at furnace chamber 20 fronts constitutes.
Shell also plays the effect of the inner furnace chamber 20 of protection when forming the micro-wave oven outward appearance.Therefore, shell generally will be made of the steel plate with certain intensity.
Such shell is that the center is provided with furnace chamber 20, and comprises the top panel 11 by the top and two sides that cover furnace chamber 20 simultaneously, the base plate 13 that protection is following, and the front panel 15 of formation furnace chamber 20 fronts, the rear board 17 at protection furnace chamber 20 back sides constitutes.
Electricity storage chamber 30 is the spaces that are positioned at the enclosure right side, and in be changed to the electronic unit that drives furnace chamber 20.
Be provided with a plurality of electronic units such as transformer 31, magnetron 33, centrifugal fan 35, capacitor 37 in electricity storage chamber 30 inside.In addition, be to be provided with demarcation strip 39 between transformer 31 and the cfentrifugal blower 35 in the inside of electricity storage chamber 30.Transformer 31, cfentrifugal blower 35, capacitor 37 and demarcation strip 39 be fixed on sub-panel S above, and sub-panel S and base plate above the distance to a declared goal of being separated by.
In a plurality of electronic units, transformer 31 and magnetron 33 are generated as the microwave of irradiation furnace chamber 20 inside.Electronic unit generates heat in the process that generates microwave, so in the time of cooking food, the temperature of electricity storage chamber 30 rises.
Need to suck extraneous air for the electricity storage chamber 30 of cooling off heating, so centrifugal fan 35 sucks extraneous air.
As shown in Figure 2, above furnace chamber 20, be provided with waveguide 21, and the back square punch is formed with for discharging the exhaust outlet 23 of furnace chamber 20 internal heat air on the rear of waveguide 21 is furnace chamber 20.
But following shortcoming is arranged in the above-mentioned prior art: exhaust manifolds 27 play the hot-air that makes furnace chamber inside and pass through the guiding function of exhaust outlet 23 rows to the outside.But, be positioned at exhaust outlet 23 tops in order to make exhaust manifolds 27, at first fixedly behind the exhaust manifolds support 25, fixing exhaust manifolds 27 in the above.Therefore, fixedly the process of exhaust manifolds 27 is too complicated.
In addition, for fixing exhaust manifolds 27, must be equipped with exhaust manifolds support 25, so the cost of manufacture of micro-wave oven rises.
Summary of the invention
The present invention invents for the shortcoming that solves above-mentioned prior art, and its purpose is, provide the simpler structure of a kind of utilization can be easily the fixing structure of furnace chamber exhaust manifolds.
In order to achieve the above object, the exhaust pipe fixing structure of micro-wave oven furnace chamber of the present invention includes furnace chamber and exhaust manifolds, furnace chamber perforation forms the exhaust outlet of the hot-air that promising discharge produces in the process of cooking cooking thing, exhaust manifolds on furnace chamber the side directed furnace chamber inner air row who discharges from exhaust outlet to the micro-wave oven outside; It is characterized in that an end utilization of exhaust manifolds is hung lug boss and fixed, the other end utilizes fixed screw to be fixed on the upside of furnace chamber.
Exhaust manifolds comprise by the body that covers exhaust outlet above exhaust outlet, form and make an end utilization of body hang lug boss at an end downside warpage of body and be close to the hang-up stiff end that is fixed on above the furnace chamber, form and the being connected and fixed end that makes the other end of body utilize the said fixing screw to be close to be fixed on above the furnace chamber constitutes at the other end downside warpage of body.
In addition, the extension lug boss comprises the inclination warpage end by face tilt warpage on above-mentioned furnace chamber, the extension tongue that prolongs in the end of inclination warpage end and protrude, hang tongue below and above the furnace chamber between and insert exhaust manifolds and hang up the insertion space of stiff end and constitute.
The extension lug boss forms best at the exhaust outlet outside of furnace chamber protrusion, hang lug boss and possess a plurality of for best.
Side at furnace chamber forms promising screw combined hole in conjunction with fixed screw, and it is best holding inner perforated to be formed with the screw through hole corresponding with the screw combined hole being connected and fixed of exhaust manifolds.
According to said structure, on furnace chamber, fixedly be more prone to during exhaust manifolds.The exhaust pipe fixing structure of micro-wave oven furnace chamber of the present invention has the effect of following invention:
1) it is fixing that projection is hung in the right-hand member utilization of exhaust manifolds, and left end utilizes fixed screw to fix.So, even without exhaust manifolds support in the past, exhaust manifolds also can be fixed on furnace chamber above.
2) owing to omit the exhaust manifolds support, can simplify the fixedly engineering of exhaust manifolds and reduce fee of material.So the productivity of micro-wave oven rises.
Description of drawings
Fig. 1 is the general commercial microwave oven oblique view of using.
Fig. 2 is the part oblique view that is arranged on surface state on the furnace chamber according to the furnace chamber exhaust manifolds of prior art.
Fig. 3 is the part oblique view that furnace chamber exhaust manifolds of the present invention are arranged on surface state on the furnace chamber.
Fig. 4 is the part oblique view of Fig. 3 significant points.
The explanation of accompanying drawing major part symbol:
100: furnace chamber 110: upper board
110a: exhaust outlet 200: hang lug boss
210: inclination joggling part 230: hang tongue
250: insert space 270: the screw combined hole
300: exhaust manifolds 310: body
330: hang up stiff end 350: be connected and fixed end
450a: screw through hole
The specific embodiment
Specify the exhaust pipe fixing structure of micro-wave oven furnace chamber of the present invention below in conjunction with drawings and Examples.
Fig. 3 is the part oblique view that furnace chamber exhaust manifolds of the present invention are arranged on surface state on the furnace chamber, and Fig. 4 is the part oblique view of Fig. 3 significant points.
Micro-wave oven comprises the shell of protecting inner various parts when forming outward appearance, is positioned at the inside of shell and is provided with the electricity storage chamber of a plurality of electronic units, and the furnace chamber of placing the cooking thing constitutes.In addition, constitute by upper board, lower panel and left and right sides plate at furnace chamber.Form a plurality of exhaust outlets of promising discharge furnace chamber inner air in the upper board perforation of furnace chamber.
As shown in Figure 3, on the front side of furnace chamber 100 upper boards 110, be fixed with waveguide 100a.Though do not illustrate, waveguide 100a plays the effect of the microwave that generates to furnace chamber central side guiding electricity storage chamber inner magnet keyholed back plate.Below waveguide 100a, more precisely, be provided with to disperseing by the stirring fan (not shown) of the microwave of above-mentioned waveguide 100a guiding at upper board 110 internal faces of furnace chamber 100.Above-mentioned stirring fan is driven by synchronous motor (not shown) and rotates, so its leading section is to furnace chamber 100 internal reflection microwaves.
The upper board 110 of furnace chamber 100 is provided with waveguide 100a and stirs fan, and also is equipped with waveguide 100a on the lower panel (not shown) and stirs fan.Therefore, to the inner microwaves that disperse of furnace chamber 100 separately up and down both direction disperse, promptly disperse upward downwards and from the below and shine furnace chamber 20 inside from the top.Equally, from both direction dispersion up and down, the cooking time was shorter when the cooking thing of furnace chamber inside was evenly heated as if microwave.
Perforation is formed with exhaust outlet 110a on the upper board 110 of furnace chamber 100, and exhaust outlet 110a is made of a plurality of through holes.Owing to be formed with exhaust outlet 110a on upper board 110, furnace chamber 100 is inner by exhaust outlet 110a and external communications.Therefore, the air of furnace chamber 100 inside is arranged to furnace chamber 100 tops by exhaust outlet 110a.
In addition, at the upper board 110 of furnace chamber 100, more particularly, the extension lug boss 200 of the exhaust manifolds right-hand end that below the right side of exhaust outlet 110a forms promising fixing, will illustrate.
Hanging lug boss 200 is that upper board 110 parts of cutting furnace chamber 100 as shown in Figure 4 form to 2 warpages of upside and left side.Hang lug boss 200 and before and after a plurality of exhaust outlet 110a, arrange 2.
Hanging lug boss 200 comprises by the inclination joggling part 210 that prolongs from upper board 110 warpages with from the upper side end of inclination joggling part 210 and prolonging to the left and the extension tongue 230 that protrudes constitutes.And, hang tongue 230 below and the exhaust manifolds that will illustrate below the promising insertion of formation above furnace chamber 100 upper boards 110 hang up the insertion space 250 of stiff end.
Hang tongue 230 and be from the upper end of inclination joggling part 210 and prolong and form, and should below above the hang-up stiff end 330 of the exhaust manifolds 300 that will illustrate below being glued with.Both, the 250 li hang-up stiff ends 330 that insert exhaust manifolds 300 in space had been inserted, so above-mentioned hang-up stiff end 330 retainings are fixed hanging tongue 230.
Insert space 250 and be and hang tongue 230 be separated by furnace chamber 100 upper boards 110 and forming, side opening left.Insertion space 250 reason of side opening left is: because the hang-up stiff end 330 of the following exhaust manifolds that will illustrate 300 inserts from the left side.Certainly, if hang lug boss 200 projection to the right, insert 250 in space side opening to the right.
In addition, the position of extension lug boss 200 can be different with quantity.Both, according to designer's selection or the position of exhaust outlet 110a, hung lug boss 200 and also can be positioned at the left side.And its quantity also can be designed as more than one or 2.
The process of making extension lug boss 200 at upper board 110 is as follows:
At first, upper board 110 is that the steel plate of die-cut specified intensity forms, so that lug boss 200 is shaped in the process of die-cut upper board 110 together is best.Both, revised the die-cut steel plate in part back of the mould of built-in upper board 110 shapes, the moulding together of then above-mentioned extension lug boss 200.
But, hang lug boss 200 and also can adopt making in the following method.Processing under the state of upper board 110 1 property, is the benchmark warpage as uncut right side, ' Contraband ' font cutting upper board 110 part backs roughly, and as extension lug boss 200 protrudes thus.
In addition, for the being connected and fixed end that utilizes exhaust manifolds left side that fixed screw will illustrate following is close to and is fixed on above the upper board 110, form promising screw combined hole 270 in conjunction with fixed screw in the left end of furnace chamber 100 upper boards 110.
Exhaust manifolds 300 structures of utilizing extension lug boss 200 and screw combined hole 270 to fix are as follows.
Exhaust manifolds 300 are made of body 310 and stiff end 330,350,370.Body 310 covers the exhaust outlet 110a of upper boards 110, stiff end 330,350, and 370 make body 310 upper board 110 distance to a declared goal of being separated by.
Body 310 constitutes the stem stalk of exhaust manifolds 300, and is roughly dimetric cavernous.Therefore, if exhaust manifolds 300 are arranged on the exhaust outlet 110a upside of upper board 110, furnace chamber 100 inner airs of discharging from exhaust outlet 110a clash into body 310 below.
The left and right sides and lower end, the place ahead at body 310 are formed with stiff end 330,350,370 separately.Stiff end 330,350,370 comprise by body 310 for the center in the lower end, right side the hang-up stiff end 330 of side warpage to the right, in the lower end, left side left the side warpage be connected and fixed end 350, forwardly the lower end forwards the place ahead stiff end 370 of warpage constitute.
It is fixing by extension lug boss 200 to hang up stiff end 330, so form at the right flank of body 310.
Be connected and fixed end and 350 utilize fixed screw to be fixed on the screw combined hole 270 of upper board 110, so its inner perforated is formed with the screw through hole 350a corresponding with screw combined hole 270.
It is best that exhaust manifolds 300 are that inscape is that body 310 and stiff end 330,350,370 are overall shaped into, but the assembling and form exhaust manifolds 300 and also can mutually after the moulding separately of each inscape.Both, hold 350 in the lower end, the left and right sides of body 310 in conjunction with hanging up stiff end 330 and being connected and fixed, the lower end is in conjunction with the place ahead stiff end 370 forwardly.At this moment, stiff end 330,350,370 preferably by welding or utilizing adhesive to combine with body 310.
Exhaust manifolds 300 usefulness have the iron plate of specified intensity and heat resistance and make.Especially, exhaust manifolds 300 will have certain stable on heating reason and are: because the air of discharging from exhaust outlet 110a is at the inner heated hot-air of furnace chamber.Both, exhaust manifolds 300 hot-air that can not be discharged from melted.
At first, the mould of built-in exhaust manifolds 300 shapes is installed on the stamping machine.Then, die-cut after the insertion iron plate in the stamping machine, exhaust manifolds 300 form thus.In addition, exhaust manifolds 300 also can weld the making of several iron plates.
Exhaust manifolds 300 also can be made of synthetic resin.When making exhaust manifolds 300 of synthetic resin when, behind the injecting synthetic resin raw material of mold [Mold] lining through certain solid type stage, exhaust manifolds 300 moulding thus.Certainly, the exhaust manifolds of making of synthetic resin 300 also will have certain hear resistance.
Fixedly the process of exhaust manifolds 300 is as follows at the upper board 110 of furnace chamber 100.
At first fixedly furnace chamber 100.At this moment the exhaust outlet 110a of upper board 110 exposes upward, and is formed with the extension lug boss 200 of projection to the left on the right side of exhaust outlet 110a.
Then, the hang-up stiff end 330 of exhaust manifolds 300 is pushed extension tongue 230 belows that hang lug boss 200, so the hang-up stiff end 330 of exhaust manifolds 300 is inserted into the insertion space 250 that hangs lug boss 200.Thus, the hang-up stiff end 330 of exhaust manifolds 300 hangs over the extension tongue 230 of lug boss 200, and does not move both sides and side up and down.
In this state, the upper board 110 that end 350 is close to furnace chamber 100 that is connected and fixed of exhaust manifolds 300, make the screw through hole 350a that is connected and fixed end 350 and screw combined hole 270 alignment of upper board 110.Afterwards, in conjunction with fixed screw 270a, the end 350 that is connected and fixed of exhaust manifolds 300 utilizes fixed screw 270a to be close to be fixed on above the upper board 110 thus in the screw through hole 350a.
As follows from furnace chamber 100 inner airs that exhaust outlet 110a discharges by the process of exhaust manifolds 300 discharges.
Though diagram is not provided with centrifugal fan in electricity storage chamber inside, so can be to the inner micro-wave oven air outside that sucks of electricity storage chamber.Inhaled air flows into furnace chamber inside by the air entry on the furnace chamber right plate.Leaked-in air is heated the back and arranges to furnace chamber 100 outsides by exhaust outlet 110a in the process of the cooking thing of heating furnace chamber inside.Both, flow as above-mentioned air and realize by the centrifugal fan of electricity storage chamber.
As above-mentioned, basic fundamental thought of the present invention is: the exhaust manifolds that the air of exhaust outlet discharge is guided the micro-wave oven rear into, an end is hung fixing, and the other end utilizes fixed screw to fix.Therefore, the those skilled in the art that state the industry in advance can have various deformation in basic fundamental thought range of the present utility model.
Claims (6)
1, a kind of exhaust pipe fixing structure of micro-wave oven furnace chamber includes furnace chamber and exhaust manifolds, furnace chamber perforation forms the exhaust outlet of the hot-air that promising discharge produces in the process of cooking cooking thing, exhaust manifolds on furnace chamber the side directed furnace chamber inner air row who discharges from exhaust outlet to the micro-wave oven outside; It is characterized in that an end utilization of exhaust manifolds is hung lug boss and fixed, the other end utilizes fixed screw to be fixed on the upside of furnace chamber.
2, the hinge component of micro-wave oven according to claim 1, it is characterized in that exhaust manifolds comprise by the body that covers exhaust outlet above exhaust outlet, form and make an end utilization of body hang lug boss at an end downside warpage of body and be close to the hang-up stiff end that is fixed on above the furnace chamber, form and the being connected and fixed end that makes the other end of body utilize fixed screw to be close to be fixed on above the furnace chamber constitutes at the other end downside warpage of body.
3, according to the hinge component of claim 1 or 2 described micro-wave ovens, it is characterized in that hanging lug boss and comprise inclination warpage end by face tilt warpage on furnace chamber, the extension tongue that prolongs in the end of inclination warpage end and protrude, hang tongue below and above the furnace chamber between and insert above-mentioned exhaust manifolds and hang up the insertion space of stiff end and constitute.
4,, it is characterized in that hanging lug boss and protrude formation in the exhaust outlet outside of furnace chamber according to the hinge component of claim 1 or 3 described micro-wave ovens.
5,, it is characterized in that hanging lug boss and possess a plurality of according to the hinge component of claim 1 or 3 described micro-wave ovens.
6, according to the hinge component of claim 1 or 3 described micro-wave ovens, it is characterized in that, side at furnace chamber forms promising screw combined hole in conjunction with fixed screw, holds inner perforated to be formed with the screw through hole corresponding with the screw combined hole being connected and fixed of exhaust manifolds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720297A CN100491834C (en) | 2004-09-21 | 2004-09-21 | Exhaust pipe fixing structure for microwave oven cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720297A CN100491834C (en) | 2004-09-21 | 2004-09-21 | Exhaust pipe fixing structure for microwave oven cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1752538A true CN1752538A (en) | 2006-03-29 |
| CN100491834C CN100491834C (en) | 2009-05-27 |
Family
ID=36679494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100720297A Expired - Fee Related CN100491834C (en) | 2004-09-21 | 2004-09-21 | Exhaust pipe fixing structure for microwave oven cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100491834C (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0120669Y1 (en) * | 1995-10-09 | 1998-08-01 | 김광호 | Microwave oven |
| KR0126719Y1 (en) * | 1995-10-07 | 1998-10-01 | 김광호 | Microwave oven |
| JP4052421B2 (en) * | 2000-06-16 | 2008-02-27 | 三菱重工業株式会社 | Assembled battery |
| CN100337061C (en) * | 2002-11-26 | 2007-09-12 | 乐金电子(天津)电器有限公司 | Assembling structure of magnetron of microwave oven |
| KR20040061367A (en) * | 2002-12-30 | 2004-07-07 | 엘지전자 주식회사 | Ventilation structure for over the range |
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2004
- 2004-09-21 CN CNB2004100720297A patent/CN100491834C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN100491834C (en) | 2009-05-27 |
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| 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: 20090527 Termination date: 20110921 |