CN1752555A - Fixing structure for stirring fan of microwave oven - Google Patents
Fixing structure for stirring fan of microwave oven Download PDFInfo
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- CN1752555A CN1752555A CN 200410072049 CN200410072049A CN1752555A CN 1752555 A CN1752555 A CN 1752555A CN 200410072049 CN200410072049 CN 200410072049 CN 200410072049 A CN200410072049 A CN 200410072049A CN 1752555 A CN1752555 A CN 1752555A
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- fan
- furnace chamber
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- stirring
- fixator
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Abstract
The present invention discloses a fixing structure of stirring fan of microwave oven. It includes rotary fan capable of utilizing rotation to disperse the microwave irradiated into oven cavity interior of microwave oven, combination hole formed and passed through fixer and fixer for supporting rotation of the rotary fan. On the combination hole of the fixer is formed an inclined portion which can make connection component be easily inserted. Said invention utilizes rivet and wedge which can be slided along the inclined portion to make the rotary fan the firmly fixed.
Description
Technical field
The invention belongs to a kind of device of micro-wave oven, be specifically related to the fixed structure of the stirring fan of microwave oven that a kind of microwave that makes irradiating microwaves stove furnace chamber inside disperses.
Background technology
Generally, micro-wave oven is according to generating microwave by magnetron behind the power turn-on, and arranges the device of food with heating object such as these microwave irradiation foods.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.Micro-wave oven can also be distinguished according to the mode of heat food, and home-use micro-wave oven generally adopts the glass plate mode of rotation food, the commercial stirring fan mode that mainly adopts dispersion microwave with micro-wave oven.Commercial be mainly used in the food supply retail shop of high convenience store of frequency of utilization or short time cooking food, generally need high relatively output compared with home-use micro-wave oven with micro-wave oven.
As shown in Figure 1, general commerce with microwave oven structure is: comprise by the shell that forms outward appearance, furnace chamber 20, electricity storage chamber 30, also comprise the door 40 that is arranged on 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, so shell is general with the steel plate making with certain intensity.Shell is that the center is provided with furnace chamber 20, and it comprises the rear board 17 at the bottom panel 13 below the top panel 11 of the top and two sides that cover furnace chamber 20, protection, the front panel 17 that forms furnace chamber 20 fronts and protection furnace chamber 20 back sides.Furnace chamber 20 is spaces of cooking such as cooking food thing, and its shape is the quadrangular box shape of front openings, the food after promptly can putting into food and take out the cooking from opening the place ahead of furnace chamber 20.Electricity storage chamber 30 is the spaces that are positioned at the enclosure right side, and its inside is provided with to driving a plurality of electronic units of furnace chamber 20.Be provided with a plurality of electronic units such as transformer 31, magnetron 33, cfentrifugal blower 35, capacitor 37 in electricity storage chamber 30 inside.Be provided with dividing plate 39 between the transformer 31 of electricity storage chamber 30 inside and the stirring fan.Transformer 31 and stir fan, capacitor 37, dividing plate 39 be fixed on sub-panel S above, and sub-panel S is arranged on the top separated by a certain interval of bottom panel 13.A plurality of electronic units, particularly transformer 31 and magnetron 33 play a part to produce the microwave of input furnace chamber 20 inside.In the process that generates microwave, the electronic unit heating, therefore 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 suck extraneous air by cfentrifugal blower 35.
As shown in Figure 2, describe the inside of furnace chamber 20 in detail: above furnace chamber 20, more precisely, be provided with waveguide 21a above the upper panel 21, waveguide 21a plays a part microwave transmission that conduction generates by the magnetron 33 of electricity storage chamber 30 to furnace chamber 20 inside.The side of waveguide 21a is provided with and drives the synchronous motor (M) that stirs fan.Waveguide 21a not only is arranged on above the outside of furnace chamber 20, but also can be arranged on below the outside, and therefore if the top and bottom of furnace chamber 20 are provided with waveguide 21a separately, microwave shines the inside of furnace chamber 20 from the top to the below and from the below to the top.The below, inside of furnace chamber 20 is provided with ceramic wafer (not shown), and in fact ceramic wafer forms the bottom surface of furnace chamber 20, and ceramic wafer exceeds certain intervals from the bottom surface of furnace chamber 20.The state that is provided with of ceramic wafer be by from the bottom surface of furnace chamber 20 upward the support boss 25 of projection realize, promptly ceramic wafer below be close to support boss 25 above.Between the lower panel of furnace chamber 20 and ceramic wafer, be formed with certain space, in this space, be provided with and stir fan, in order to be connected on the synchronous motor stirring fan, be formed with intercommunicating pore 22a in the bottom surface of furnace chamber 20, the empty fixing hole 22b that forms promising fixedly stirring fan 50 is worn in the left and right sides of intercommunicating pore 22a.Stir fan 50 and drive rotation by the synchronous motor M that is arranged on below furnace chamber 20 outsides, institute is so that the microwave of waveguide 21a transmission shines furnace chamber 20 inside with the state that disperses.Such stirring fan 50 is by the rotation fan 51 of metal material and can support the fixators 53 that rotate fan 51 rotations to constitute.And, wear sky in fixator 53 both sides and be formed with combined hole 53a.Stirring fan 50 is fixed on the bottom surface of furnace chamber 20 by rivet 55 and chock 55a.
But, there is following shortcoming according to the stirring fan 50 of prior art:
The periphery of rivet 55 is inserted with the chock 55a that enlarges laterally.Expanded end forms bigger than the combined hole 53a of fixator 53 such chock 55a in order to prevent rivet 55 to break away from.Therefore, chock 55a run into fixator 53 above, be not easy when in the combined hole 53a of fixator 53, inserting rivet 55.And, finally also cause in the both sides up and down of furnace chamber 20 50 o'clock engineerings of installation stirring fan to complicate.In addition, if insert rivet 55 forcibly, device 53 is passed and bending because chock 55a is fixed, so that can't install and stir fan 50.
Summary of the invention
The present invention proposes for the shortcoming that solves background technology, and its purpose is, the fixed structure of the stirring fan that a kind of microwave that makes irradiating microwaves stove furnace chamber inside disperses is provided.For the attainment of one's purpose, stirring fan fixed structure according to micro-wave oven of the present invention, comprise by tabularly forming and, wear sky and be formed with combined hole and support the fixator of rotation fan rotation to constitute by the rotation fan that rotation disperses the microwave of irradiating microwaves stove furnace chamber inside with certain; It is characterized in that, be formed with easier rake when making the insertion bonded block on the combined hole of fixator.
Rake comprises by the rotary steering device of supporting the rotation of rotation fan, and the rotary steering device is close to the stiff end that is fixed in the furnace chamber, and the connection rib that connects between rotary steering device and the stiff end constitutes.And combined hole forms best in the both sides of stiff end.
And rake is expanded the inlet of combined hole to be feature upward.
Bonded block comprises by rivet and prevents that the chock that rivet breaks away from from constituting best.In addition, be formed with on the connection rib of fixator and make that to be easy to bend when inserting bonded block be best.
Description of drawings
Fig. 1 is the oblique view that the general commerce of prior art constitutes with micro-wave oven;
Fig. 2 is the part oblique view that the furnace chamber internal fixation of the micro-wave oven of prior art stirs fan;
Fig. 3 is that fixed structure of the present invention is at the fixing part oblique view that stirs fan of furnace chamber inner bottom surface;
Fig. 4 is the stirring fan of microwave oven part oblique view of fixed structure state of the present invention;
Fig. 5 is another embodiment oblique view that the present invention stirs the fan fixed structure.
Wherein:
200 stir fan 210 rotary fans 230 fixators
231 rotary steering devices, 233 stiff ends, 235 connection ribs
235a curved rib 237 combined holes 300 rakes
400 rivets, 450 chocks
The specific embodiment
Fixed structure to stirring fan of microwave oven of the present invention is elaborated with reference to the accompanying drawings:
Shown in Fig. 3,4, above furnace chamber 100, promptly be provided with the waveguide 110 that the microwave of the generation of the magnetron in the electricity storage chamber is guided into furnace chamber 100 inside above the outside.Side at waveguide 110 is provided with the synchronous motor M that drives the stirring fan.Waveguide 110 is arranged on below the outside of furnace chamber 20, but also can be according to several waveguides 110 of capacity setting of furnace chamber 20.If the both sides up and down of furnace chamber 20 are provided with waveguide 110 separately, the microwave that flows into furnace chamber 20 inside is from both sides irradiation furnace chamber 100 inside up and down.Ceramic wafer (not shown) is set below the inside of furnace chamber 100, and ceramic wafer forms the bottom surface of furnace chamber 100.Ceramic wafer be positioned at be close to the support boss 101 protruded upward from the bottom surface of furnace chamber 100 above.Therefore, be formed with certain space between the bottom surface of furnace chamber 100 and the ceramic wafer.Wear sky in the bottom surface of furnace chamber 100 and be formed with intercommunicating pore 103, about intercommunicating pore 103, wear sky and be formed with fixing hole 105.Intercommunicating pore 103 can make to stir to fan and be connected on the synchronous motor, and 105 li bindings of fixing hole are the fixing fixed part that stirs fan.
Stirring fan 200 is made of rotation fan 210 and fixator 230.
Rotary fan 210 usefulness have the metallic plate of electric conductivity makes, and the one side end roughly forms ' ' oxbow.The reason that rotary fan 210 usefulness metallic plates are made is for the microwave of waveguide conduction is directly shifted by rotary fan 210.
The reason that one side of rotary fan 210 forms ' ' word shape is: during rotary fan 210 rotations, for the microwave that makes transfer disperses wider by its end.But ' ' word shape also can be different according to designer's selection.
As shown in Figure 4, fixator 230 is rotary steering device 231 and stiff end 233 and connection rib 235 whole formation, rotary steering device 231 is supported the rotation of swivel plate, stiff end 233 is close to rotary steering device 231 and is fixed on above the lower panel 120, and connection rib 235 connects rotary steering device 231 and stiff ends 233.Wear sky in the inside of stiff end 233 and be formed with combined hole 237, at the entrance side of combined hole 237, promptly the top is formed with rake 300.Rake 300 is roughly conical structures that diameter diminishes downwards gradually, and it is corresponding with combined hole 237 that the inclination of rake 300 finishes the end.Form rake 300 at combined hole 237 upsides, combined hole 237 is inner big states of diameter.
The process that forms rake 300 at combined hole 237 upsides is as follows: according to method for processing, promptly prepare to have the fixator 230 of combined hole 237 after, utilize the top of drill bit or cutting knife cutting combined hole 237, then the upside at combined hole 237 forms rake 300.If fixator 230 is to be that inner after-applied certain heat of filled synthetic resin material of mold and pressure form at mould, a part of shape that then can repair grinding tool forms rake 300 simultaneously on the combined hole 237 of fixator 230.Rotation fan 210 device 230 that is fixed is fixed on furnace chamber 100 bottom surfaces, and these are to be attached at furnace chamber 100 bottom surfaces according to rivet 400 and chock 450 by connect apertures 237.
It is as follows that the process that stirs fan 200 is set in the bottom surface of furnace chamber 100:
The axle that connects the intercommunicating pore 103 of furnace chamber 100 bottom surfaces connects stirring fan 200 and synchronous motor M, the stiff end 233 that stirs the fixator 230 of fan 200 is close to furnace chamber 100 bottom surfaces, and makes the combined hole 237 of stiff end 233 and fixing hole 105 consistent alignment of furnace chamber 100 bottom surfaces.Then, the rivet 400 that is inserted with chock 450 states is inserted 237 li of combined holes, at this moment rivet 400 inserts combined hole 237 inside according to the end of chock 450 in rake 300 slips of combined hole 237 upsides.The rivet 400 that inserts like this is through combined hole 237 and fixing hole 105 back combinations.At this moment, chock 450 is crooked to the inside through combined hole 237 and fixing hole 105 time, and connects the fixing hole 105 back elasticity recoveries of furnace chamber 100.Be close to fixedly fixator 230 in the bottom surface of furnace chamber 100, be fixed on furnace chamber 100 bottom surfaces stirring fan 200 thus.
As shown in Figure 5, connect with curved ribs 235a between the rotary steering device 231 of fixator 230 and the stiff end 233.Ordinary circumstance, 237 li of the combined holes of operator's usefulness thumb crimping rivet 400 and chock 450 back insertion fixators 230.If curved ribs 235a is crooked shape, then width enlarges between them, so thumb can not meet curved ribs 235a, so easier when inserting rivet 400 and chock 450.
As mentioned above, basic fundamental thought of the present invention is: be formed with the easier rake that becomes when the bonded block that is made of rivet and chock is inserted at the combined hole upside of fixator.And the those skilled in the art in present technique field can carry out various deformation in basic thought scope of the present invention.Aforesaid the present invention has following effect: the combined hole inlet at fixator is formed with rake, and fixedly the chock of fixator is inserted in the combined hole by sliding at rake, runs into the top and crooked of fixator so can prevent chock.If be formed with aforesaid rake, become easier when inserting chock in the combined hole.Shorten the activity duration when can improve the fixed operation of stirring fan.The assembly working of micro-wave oven becomes simple and shortens the production cycle, and the production cost of micro-wave oven descends.
Claims (5)
1, the fixed structure of a kind of stirring of micro-wave oven fan, comprise utilizing and rotate the rotation fan (210) that makes the microwave dispersion that is radiated at micro-wave oven furnace chamber inside, combined hole (237) that connects and the fixator (230) that supports rotation fan (210) rotation, it is characterized in that, also be included in to be formed with on the connect apertures (237) of fixator (230) to make and insert easier rake (300) when linking parts.
2, the fixed structure of the stirring of micro-wave oven according to claim 1 fan, it is characterized in that: rake (300) comprises by the rotary steering device (231) of supporting rotation fan (210) rotation, rotary steering device (231) is fixed on stiff end (233) in the furnace chamber, connect the connection rib (235) between rotary steering device (231) and the stiff end (233), connect apertures (237) forms in the both sides of stiff end (233).
3, the fixed structure of fanning according to the stirring of claim 1 or 2 described micro-wave ovens, it is characterized in that: the inlet of the connect apertures (237) of rake (300) is expanded upward.
4, the fixed structure of the stirring of micro-wave oven according to claim 1 fan is characterized in that: link parts and comprise rivet (400) and prevent the chock (450) that rivet breaks away from.
5, the fixed structure of fanning according to the stirring of claim 1 or 2 described micro-wave ovens is characterized in that: the connection rib of fixator (230) is formed with to make and inserts easier curved ribs (235a) when linking parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720494A CN100455899C (en) | 2004-09-21 | 2004-09-21 | Fixing structure for stirring fan of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720494A CN100455899C (en) | 2004-09-21 | 2004-09-21 | Fixing structure for stirring fan of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1752555A true CN1752555A (en) | 2006-03-29 |
| CN100455899C CN100455899C (en) | 2009-01-28 |
Family
ID=36679511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100720494A Expired - Fee Related CN100455899C (en) | 2004-09-21 | 2004-09-21 | Fixing structure for stirring fan of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100455899C (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421968A (en) * | 1978-12-01 | 1983-12-20 | Raytheon Company | Microwave oven having rotating conductive radiators |
| JP3376695B2 (en) * | 1994-06-17 | 2003-02-10 | 松下電器産業株式会社 | High frequency heating equipment |
| CN2524275Y (en) * | 2002-01-18 | 2002-12-04 | 富士康(昆山)电脑接插件有限公司 | Fixer assembly |
-
2004
- 2004-09-21 CN CNB2004100720494A patent/CN100455899C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN100455899C (en) | 2009-01-28 |
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Granted publication date: 20090128 Termination date: 20091021 |