CN1752553A - Fixing structure for air filter of microwave oven - Google Patents
Fixing structure for air filter of microwave oven Download PDFInfo
- Publication number
- CN1752553A CN1752553A CN 200410072046 CN200410072046A CN1752553A CN 1752553 A CN1752553 A CN 1752553A CN 200410072046 CN200410072046 CN 200410072046 CN 200410072046 A CN200410072046 A CN 200410072046A CN 1752553 A CN1752553 A CN 1752553A
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- micro
- air
- wave oven
- fixing structure
- air filter
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Abstract
The air filter is placed in the front of air suction of microwave oven for filtering external air sucked into the interior of microwave oven by means of air suction. One side of air filter is fixed on the microwave oven by adopting hanging mode and its another side is fixed with microwave oven by utilizing screw or connecting fastening hook.
Description
Technical field
The invention belongs to a kind of device of micro-wave oven, be specifically related to a kind of air filtration fixed structure that filters the micro-wave oven of the foreign matter that flows into micro-wave oven inside.
Technical background
Generally, micro-wave oven is that magnetron produces microwave behind power connection, and these microwave irradiations on heating objects such as food 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.Micro-wave oven can also be divided into home-use micro-wave oven according to the mode of heat food and generally adopt rotation to fill the glass rotating disk mode of food, and commerce mainly adopts the figure of confusion mode of scattered radiation microwave with micro-wave oven.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.
As shown in Figure 1, 2, micro-wave oven comprises by the shell that forms outward appearance, furnace chamber 20 and is positioned at the electricity storage chamber 30 of furnace chamber 20 right side sides, also comprises the door 40 that is 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, so shell generally will be made of the steel plate with certain intensity.Shell comprises the rear board 17 at the base plate 13 below the top panel 11 of the top and two sides that cover furnace chamber 20 simultaneously, protection, the front panel 15 that forms furnace chamber 20 fronts and protection furnace chamber 20 back sides.The leading section of base plate 13 is formed with crooked upward bend 13a, and bend 13a has a plurality of air entry 13b.In addition, the left-hand end of bend 13a has hangs protruding 13c, and runs through at right-hand end and to be formed with connecting hole 13d.Furnace chamber 20 is spaces of cooking such as cooking food thing, constitutes the food after both can having put into food and take out the cooking from opening the place ahead of furnace chamber 20 by the tetragonal chest of front openings.There is certain space the right side side of furnace chamber 20, and this space is to be the electricity storage chamber 30 that electronic unit is set, and 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, the inside of electricity storage chamber 30 is to be provided with demarcation strip 39 between transformer 31 and the cfentrifugal blower 35.Transformer 31, cfentrifugal blower 35, capacitor 37 and demarcation strip 39 be fixed on sub-panel S above.Between sub-panel S and base plate 13 top at intervals.
In a plurality of electronic units, transformer 31 and magnetron 33 produce the microwave of irradiation furnace chamber 20 inside.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.Need to suck extraneous air for the electricity storage chamber 30 of cooling off heating, so cfentrifugal blower 35 sucks extraneous air.Cfentrifugal blower 35 is arranged on above the sub-panel S, top separated by a distance with base plate 13.The downside of cfentrifugal blower 35, more particularly side direction base plate 13 top openings under the fan guard 35a.If the blowing fan 35b of fan guard 35a inside rotation, the air of below is guided by fan guard 35a, flows into electricity storage chamber 30 inside.
In addition, the reason that can suck air for 35 times from cfentrifugal blower is that the bend 13a of base plate 13 is positioned at the front downside of micro-wave oven, and air entry 13b is to the micro-wave oven front openings because the front of micro-wave oven is formed with air entry 13b.When will form air entry 13b, must below furnace chamber 20 and between above the base plate 13, form certain interval in the micro-wave oven front.The reason that forms the gap is in order to make extraneous air pass through the below inflow of air entry 13b from accessory plate S, the front of air entry 13b is provided with to preventing that the foreign matter in the extraneous air from flowing into the air cleaner 50 of micro-wave oven inside, the left side perforation of air cleaner 50 forms hangs up hole 53a, and the right side perforation forms connecting hole 53b.
The process that air cleaner 50 is installed in the air entry 13b front of micro-wave oven is as follows:
After the left side of air cleaner 50 promptly hung up hole 53a and be inserted in extension projection 13c on the base plate 13 bend 13a, the thruster air cleaner 50 left, and the left side of air cleaner 50 hangs on the protruding 13c and can not fall down.In this state, the right side of air cleaner 50 is close to micro-wave oven air entry 13b front, the connecting hole 53b on air cleaner 50 right sides is alignd with the connecting hole 13d of micro-wave oven front.Then, insert card riveting 55 in the connecting hole 53b, air cleaner 50 is fixedly installed on the front of micro-wave oven air entry 13b.Card riveting 55 is made of grab 55a and rivet 55b.
But Gu Ding air cleaner 50 has following shortcoming like this:
In use, often sandwich foreign matter on the air cleaner 50, especially in the kitchen of catering industry, use in the micro-wave oven, adhere to swill or oil on the air cleaner 50.Therefore, air cleaner 50 needs often to clean to keep clean state.But, when scavenging air filter 50, must remove from micro-wave oven, if the often card riveting 55 on fixed disassembly air cleaner 50 right sides, grab 55a will fracture, and fixed air filter 50 again.On the contrary, on micro-wave oven air entry 13b air cleaner 50 is not installed, foreign matter or swill etc. flow into micro-wave oven inside, finally influence the normal operation of the electronic unit of micro-wave oven inside, and micro-wave oven can not re-use thus.
Summary of the invention
The present invention its objective is the dismounting of air cleaner for convenience for the shortcoming that solves prior art proposes; Another object of the present invention prevents that foreign matter from flowing into micro-wave oven inside.Technical scheme of the present invention is: air cleaner is installed in the air entry front of micro-wave oven and filters the extraneous air that flows into from air entry, and a side of air cleaner adopts hanging being fixed on the micro-wave oven, and the other end utilizes screw to fix.Air entry is preferably formed as bend in front.Fixed screw is made of bolt part that connects air cleaner one rear flank combination and the head that makes air cleaner be close to the air entry front, and is preferably formed as anti-slip tank on the periphery of fixed screw head.In addition, the head of fixed screw also can be formed with driver flutes, driver flutes is made of short groove and elongated slot.The screw linking part is the connecting hole that fixed screw links.
Another connected mode is the fixedly clasp that links in the connecting hole of the connecting hole of the air inlet one side formation of micro-wave oven and filter.The junction button hitcher has certain flexible rhombus, and connected mode and air cleaner are whole to be formed.
Description of drawings
Fig. 1 is the general commercial oblique view with microwave oven of prior art;
Fig. 2 is the part oblique view of the commerce of prior art with micro-wave oven front downside;
Fig. 3 is a partial status oblique view of fixing air cleaner of the present invention on bottom plate of microwave oven;
Fig. 4 is the oblique view of the 1st embodiment of fixed screw on fixing micro-wave oven air cleaner of the present invention right side;
Fig. 5 is the oblique view of the 2nd embodiment of fixed screw among Fig. 4;
Fig. 6 is the oblique view of the 3rd embodiment of fixed screw among Fig. 4.
Wherein:
130 base plates, 131 bottoms, 133 front bends
135 air entries 137 are hung protruding 139 connecting holes
200 air cleaners, 210 supports, 211 fixing holes
213 connecting holes, 230 filter screens, 300 fixed screws
310 bolt part, 330 heads, 331 anti-slip tanks
333 driver flutes 400 connect clasp
The specific embodiment
Shown in Fig. 3-7, micro-wave oven comprises shell, furnace chamber and the electricity storage chamber etc. of the various electronic units of control furnace chamber is housed.Micro-wave oven also is included in the door of the selectivity switching furnace chamber inner space, front of furnace chamber.In addition, possess on the front downside of micro-wave oven and the base plate air entry is arranged, be provided with air cleaner in the air entry front.
The purpose that air cleaner 200 is set is: filter foreign matter and swill from air entry 135 inhaled airs, prevent that their from flowing into micro-wave oven inside.Air cleaner 200 is made of rectangular frame 210 and the filter screen 230 corresponding with framework 210.The left side of framework 210 forms the promising hanging fixing fixing hole 211 of hanging projection 137, and the right side forms promising connecting hole 213 in conjunction with fixed screw 300.Fixed screw 300 forms threaded bolt part 310 by circumferencial direction and head 330 constitutes.
At first, protrude the fixing hole 211 that is inserted in air cleaner 200 on the extension projection 137 that forms in the front of base plate 130 bend 133 front, left side.At this moment, because the diameter of fixing hole 211 is wide than the expansion lug boss 137b that hangs projection 137, so be inserted in easily.Then, downwards more particularly, thruster left after front bend 133 is sidelong down air cleaner 200, the fixing hole 211 of air cleaner 200 is close to the outside, columnar portion 137a left side that hangs projection 137 thus.So the left side of air cleaner 200 hangs over can not fall down below projection 137 the expansion lug boss 137b.Adopt under the hanging fixing state in the left side of air cleaner 200, the right side is close to air entry 133 fronts of front bend 133, at this moment, the connecting hole 213 of air cleaner 200 is alignd with the connecting hole 139 of front bend 133.Afterwards, screw in 213,139 li of connecting holes with fixed screw 300, thus air cleaner 200 is fixed on air entry 135 fronts, because bolt part 310 screws in, the right side of air cleaner 200 is close to and is fixed on above the front bend 133.
The unloading process of Gu Ding air cleaner 200 is as follows like this:
At first, unclamp the fixed screw 300 on air cleaner 200 right sides, make air cleaner 200 right side freedom.Then, the thruster air cleaner 200 to the right, and the fixing hole 211 of air cleaner 200 spins off from hanging projection 137 easily thus.As shown in Figure 4, be formed with anti-slip tank 331 on head 330 peripheries of fixed screw 300, fixed screw 300 is the modes that make bolt part 310 combinations according to the rotation of head 330.Since be formed with anti-slip tank 331 on the periphery of head 330, not sliding in rotation head 330 processes, so can be more prone to link fixed screw 300; Certainly dismounting is also easy.
As shown in Figure 5, the head 330 of fixed screw 300 also can be formed with driver flutes 333, in order to make fixed screw 300 more firmly combination or fixed screw 300 in order to unclamp tight condition, use screwdriver, because head is formed with driver flutes 333, rotate behind 333 li insertion screwdrivers of driver flutes, can link or dismantle fixed screw 300 more easily thus.In order to use multiple screwdriver, driver flutes 333 is preferably made cross recess or flat recess.In addition, if cross recess is designed to laterally grow than vertical, Phillips screwdriver and straight screwdriver can be shared.
As shown in Figure 6, the connected mode of air cleaner 200 does not only limit fixed screw and connects, and can constitute by linking clasp yet.Linking clasp 400 is made of the elastic bumps 410 and the feet 430 that are similar to rhombus.
Utilize the process that links clasp 400 fixed air filters 200 as follows:
At first, adopt the left side of air cleaner 200 hanging being fixed on to hang on the projection 137 as above-mentioned, then, the right side of air cleaner 200 is close on the front bend 133,139 li of the connecting holes of the connecting hole 213 of the elastic bumps 410 insertion air cleaners 200 that link clasp 400 and front bend 133.The elastic bumps 410 that inserts shrinks to the inside according to the size of connecting hole, and recovers through the connecting hole 139 back elasticity of front bend 133.Therefore, if be inserted with elastic bumps 410 in front bend 133 inboards, the right side of air cleaner 200 is fixing by the feet 430 at elastic bumps 410 rears.In addition, with the unloading process that links the fixing air cleaner 200 of clasp 400 be: draw the right side of air cleaner 200 forward, elastic bumps 410 is easy to spin off from connecting hole 139,213 connecting hole 139,213 inboard contractions thus.
The present invention utilizes fixed screw or elastic bumps that air cleaner is fixed on micro-wave oven air entry front to be basic fundamental thought, and therefore, the technical staff of the industry can have various deformation in basic fundamental thought range of the present invention.
Fixing structure for air filter of the present invention has following advantage:
Adopt under the hanging fixing state in a side of air cleaner and to link fixed screw, institute With fixedly being more prone to of air cleaner. Thus, the assembling of micro-wave oven becomes simple, produces Rate improves. Owing to utilize fixed screw fixed air filter, the fixedly shape of air cleaner Attitude is more firm, and being dismounted for multiple times can not fracture yet simultaneously. Head at fixed screw is formed with Driver flutes uses screwdriver can more firmly tighten fixed screw, simultaneously also can be more Add the fixed screw that easily unclamps tight condition. Can dismantle easily dirty air filtration Device, also easy when again installing after cleaning simultaneously, the air cleaner total energy keeps clean thus State. Because the firm connection of air cleaner can be filtered the outside that sucks from air entry Air also can prevent the inflow microwave oven internals such as swill simultaneously.
Claims (11)
1, a kind of fixing structure for air filter of micro-wave oven, comprise that air entry (135) front that is installed in micro-wave oven filters the filter (200) of the extraneous air that flows into from air entry (135), it is characterized in that: a side of air cleaner (200) is utilized on the hanging air entry (135) that is fixed on micro-wave oven, and the other end utilizes fixed screw (300) connected mode to fix.
2, the fixing structure for air filter of micro-wave oven according to claim 1 is characterized in that: air entry (135) bend (133) is in front gone up formation.
3, according to the fixing structure for air filter of claim 1 or 2 described micro-wave ovens, it is characterized in that: the connected mode of air cleaner (200) and air entry (135) front comprise the fixed screw (300) that links by bolt and in front bend (133) form and link the screw joint portion formation of fixed screw (300).
4, the fixing structure for air filter of micro-wave oven according to claim 3 is characterized in that: fixed screw (300) is by the bolt part (310) that connects air cleaner (200) one side combinations and make air cleaner (200) be close to head (330) formation of air entry (135) front.
5, the fixing structure for air filter of micro-wave oven according to claim 4 is characterized in that: be formed with anti-slip tank (331) on the periphery of the head (300) of fixed screw (300).
6, the fixing structure for air filter of micro-wave oven according to claim 4 is characterized in that: be formed with driver flutes (333) on the head (330) of fixed screw (300).
7, the fixing structure for air filter of micro-wave oven according to claim 6 is characterized in that: driver flutes (333) is made of short groove and elongated slot.
8, the fixing structure for air filter of micro-wave oven according to claim 3 is characterized in that: the screw linking part is connecting hole (139) and (213) that fixed screw (300) links.
9, the fixing structure for air filter of micro-wave oven according to claim 1 is characterized in that: connected mode is included in air inlet (135) one sides connecting hole (139) that forms and the clasp that is connected that links in connecting hole (139) lining.
10, the fixing structure for air filter of micro-wave oven according to claim 9 is characterized in that: the junction button hitcher has certain flexible diamond shape.
11, the fixing structure for air filter of micro-wave oven according to claim 9 is characterized in that: connected mode and air cleaner are whole to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072046 CN1752553A (en) | 2004-09-21 | 2004-09-21 | Fixing structure for air filter of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072046 CN1752553A (en) | 2004-09-21 | 2004-09-21 | Fixing structure for air filter of microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1752553A true CN1752553A (en) | 2006-03-29 |
Family
ID=36679509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072046 Pending CN1752553A (en) | 2004-09-21 | 2004-09-21 | Fixing structure for air filter of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1752553A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8048186B2 (en) | 2009-04-02 | 2011-11-01 | General Electric Company | Filter retention systems and devices |
| US8105409B2 (en) | 2009-01-30 | 2012-01-31 | General Electric Company | Filter retention system |
| US10119469B2 (en) | 2016-09-15 | 2018-11-06 | General Electric Company | Method and apparatus for modularized inlet silencer baffles |
| US10385778B2 (en) | 2017-01-06 | 2019-08-20 | General Electric Company | System and method for an improved inlet silencer baffle |
| US10550766B2 (en) | 2017-01-06 | 2020-02-04 | General Electric Company | System and method for an improved inlet silencer baffle |
| US10722990B2 (en) | 2016-09-15 | 2020-07-28 | General Electric Company | Method for installing and removing modularized silencer baffles |
-
2004
- 2004-09-21 CN CN 200410072046 patent/CN1752553A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8105409B2 (en) | 2009-01-30 | 2012-01-31 | General Electric Company | Filter retention system |
| US8048186B2 (en) | 2009-04-02 | 2011-11-01 | General Electric Company | Filter retention systems and devices |
| US10119469B2 (en) | 2016-09-15 | 2018-11-06 | General Electric Company | Method and apparatus for modularized inlet silencer baffles |
| US10722990B2 (en) | 2016-09-15 | 2020-07-28 | General Electric Company | Method for installing and removing modularized silencer baffles |
| US10385778B2 (en) | 2017-01-06 | 2019-08-20 | General Electric Company | System and method for an improved inlet silencer baffle |
| US10550766B2 (en) | 2017-01-06 | 2020-02-04 | General Electric Company | System and method for an improved inlet silencer baffle |
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| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20060329 |