CN103836684B - For the fire door assembly of microwave oven and the microwave oven with it - Google Patents
For the fire door assembly of microwave oven and the microwave oven with it Download PDFInfo
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- CN103836684B CN103836684B CN201210485669.5A CN201210485669A CN103836684B CN 103836684 B CN103836684 B CN 103836684B CN 201210485669 A CN201210485669 A CN 201210485669A CN 103836684 B CN103836684 B CN 103836684B
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Abstract
The invention discloses a kind of fire door assembly for microwave oven, including: housing, the rear open of housing；Doorframe, is formed with the choke structure for shield microwaves in doorframe is detachably arranged in housing and on its periphery, and choke structure includes: extension board, and extension board stretches out from the front surface of doorframe；Intercepter, the cross section of intercepter is substantially L-shaped and includes the first and second plates, first plate extends from the neighboring of extension board along the direction away from housing, second plate and the first plate are substantially vertical with described first plate and extend towards described doorframe center from the free end of described first plate, the cross-section lengths of the first plate and the second plate is respectively L1 and L2, L1+L2 is configured to: < L1+L2 < λ/3, λ are the microwave wavelength in microwave oven in λ/4；Cover plate, cover plate is detachably arranged in the rear side of doorframe.Fire door assembly according to the present invention, by arranging choke structure, can shield microwaves and avoid it to leak into outside microwave oven.The invention also discloses a kind of microwave oven with above-mentioned fire door assembly.
Description
Technical field
The present invention relates to Microwave IC field, especially relate to a kind of fire door assembly for microwave oven and there is its microwave
Stove.
Background technology
Microwave oven is that one utilizes magnetron that external electric energy is converted into microwave, is then interacted with microwave field by material
And carry out the device heated.Microwave oven can add surface and the inside of hot food simultaneously, thus realizes quickly cooking of food
Prepare food.Microwave oven generally comprises body of heater, fire door, the magnetron of generation microwave, control circuit, power supply etc..Wherein,
The front side of body of heater is opened wide, and is provided with the receiving space for placing food to be heated in body of heater, before fire door is located at body of heater
Side is to open or close body of heater.When fire door is closed, fire door and body of heater limit cavity resonance chamber jointly,
Space for food Yu the interphase interaction of microwave field.
Cover plate that the fire door of conventional microwave oven by doorframe, is arranged on doorframe and door glass etc. form.Doorframe is by body and grips
Flow structure forms, and choke structure is located at the periphery of body, plays the effect of shield microwaves.But, producing system in enormous quantities
During making microwave oven, due to component processing and the deviation of assembling, one between doorframe and the contact surface of body of heater, can be produced
Fixed gap, thus constitute the path of microwave transmission, easily cause microwave leakage.
The physical dimension of traditional choke structure to 5.5 ~ 6GHz frequency range microwave entirely without shielding action.It addition, these chokes
The physical dimension of structure is big, yielding and cost is high.In order to prevent the deformation of choke structure, improve its mechanical strength,
It is generally required to process substantial amounts of reinforced hole, boss and reinforcement etc. on choke structure, so that mould structure is multiple
Miscellaneous, processing technique required precision is high, and the setting of reinforced hole may reduce the shield effectiveness of microwave, thus produces
Unnecessary microwave leakage.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.To this end, one object of the present invention exists
In proposing a kind of simple in construction and there is the fire door assembly for microwave oven of preferable micro-wave screening effect.
Further object is that a kind of microwave oven with above-mentioned fire door assembly of proposition.
The fire door assembly for microwave oven of embodiment according to a first aspect of the present invention, including: housing, after described housing
Side is opened wide；Doorframe, described doorframe is detachably arranged in described housing, the periphery of described doorframe is formed for shielding
Covering the choke structure of microwave, described choke structure includes: extension board, described extension board from the front surface of described doorframe to
Outer extension；Intercepter, the cross section of described intercepter is substantially L-shaped and includes the first plate and the second plate, and described first
Plate extends from the neighboring of described extension board along the direction away from housing, and described second plate is substantially vertical with described first plate
And extend towards described doorframe center from the free end of described first plate, the cross-section lengths of described first plate is L1, institute
The cross-section lengths stating the second plate is that L2, L1+L2 are configured to: < L1+L2 < λ/3, wherein, λ is described micro-in λ/4
Microwave wavelength in ripple stove；Chokes are limited between the outer surface of wherein said extension board, intercepter and described doorframe
Groove；And cover plate, described cover plate is detachably arranged in the rear side of described doorframe to cover described choke structure.
According to the fire door assembly for microwave oven of the present invention, by arranging choke structure in the periphery of doorframe, constitute microwave
Path in high impedance in transmission, when microwave is from the front surface of the rear surface of doorframe Yu microwave oven body in contact
Between slot leakage out time, microwave can be reflected via after each wall of choke structure, thus be effectively prevent
The leakage of microwave in microwave oven.Thus, this kind of design makes between the rear surface of doorframe and the front surface of microwave oven body
Need not strict contact mechanically, thus greatly reduce the requirement to machining accuracy, though and life-time service screen
Cover effect also will not decline.
It addition, also can have a following additional technical feature according to the fire door assembly for microwave oven of the present invention:
According to one embodiment of present invention, the distance between free end and the outer surface of described doorframe of described second plate
For G1, described G1 in the range of 0.1 λ ~ 0.15 λ.
Further, the width vertical with its length direction of described extension board is L3, and described L3 is configured to:
L3=λ/4, wherein, λ is the microwave wavelength in described microwave oven.
According to one embodiment of present invention, described intercepter is provided with the most spaced apart multiple breach, institute
State breach run through described second plate the part running through described first plate and end to prolong with described adjacent to described first plate
Stretch the junction of plate.Thus, micro-wave screening effect good in the range of may be implemented in broad frequency band.
Further, the plurality of breach is formed uniformly on described intercepter.
Alternatively, a length of W2 of described breach, described W2 are in the range of 0.1 λ ~ 0.2 λ, and described breach runs through
The degree of depth of the part of one plate is W3, and described W3 is configured to: W3=L1/2, the adjacent distance between described breach
For W=W1+W2, wherein, described W1 is in the range of 0.15 λ ~ 0.3 λ, and wherein, λ is micro-in described microwave oven
Wave-wave is long.
According to one embodiment of present invention, the front surface of described cover plate is provided with the receiving limit groove formed along its periphery, its
Described in choke structure be contained in the groove of described receiving limit, and on described cover plate, be formed with the buckle coordinated with described housing
Structure.Thus, by choke structure is accommodated in receiving limit groove on the cover board, save space and effectively reduce packaging
Volume, by the cover board arranging buckle structure, can be located at cover plate on housing securely.
The microwave oven of embodiment according to a second aspect of the present invention, including: body of heater, the front side of described body of heater is opened wide；And basis
The fire door assembly for microwave oven of the above-mentioned first aspect of the present invention, described fire door assembly is pivotally arranged in described body of heater
Front side to open or close described body of heater.
According to the microwave oven of the present invention, by arranging fire door assembly, the microwave of 5.5 ~ 6GHz frequency range had good screen
Cover effect, thus the microwave leakage being prevented effectively from microwave oven is out, and then human body is worked the mischief.It addition, this stove
Door assembly simple in construction, size is little, is unlikely to deform and convenient processing.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Substantially, or by the practice of the present invention recognize.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will become bright from combining the accompanying drawings below description to embodiment
Aobvious and easy to understand, wherein:
Fig. 1 is according to an embodiment of the invention for the explosive view of fire door assembly of microwave oven；
Fig. 2 is the schematic diagram of the doorframe of the fire door assembly for microwave oven shown in Fig. 1；
Fig. 3 is the sectional drawing of the doorframe of the fire door assembly for microwave oven shown in Fig. 2；
Fig. 4 is according to an embodiment of the invention for the assembling signal of doorframe and body of heater of fire door assembly of microwave oven
Figure；
Fig. 5 is the axonometric chart of microwave oven according to an embodiment of the invention.
Description of reference numerals:
1: housing；2: doorframe；3: cover plate；11: the first through holes；21: choke structure；22: door frame contact portion；
23: the second through holes；31: accommodate limit groove；32: buckle structure；33: third through-hole；100: fire door assembly；
200: body of heater；201: body of heater contact site；211: extension board；212: intercepter；213: choke groove；
300: door-hinge plate；400: microwave oven；2021: the first plates；2022: the second plates；2124: chokes portion.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish phase
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to
The embodiment that accompanying drawing describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ",
D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ",
" interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to describe the present invention and simplifying describe rather than instruction or the device of hint indication or element must have specifically
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " the
One ", " second " is only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate
The quantity of indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden
One or more this feature are included containing ground.In describing the invention, except as otherwise noted, the containing of " multiple "
Justice is two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " install ",
" be connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect,
Or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible in by
Between medium be indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, may be used
Above-mentioned term concrete meaning in the present invention is understood with concrete condition.
Below with reference to Fig. 1-Fig. 5, the fire door assembly 100 for microwave oven according to embodiments of the present invention, this fire door group are described
Part 100 is located at the front side of microwave oven body 200, is used for opening or closing body of heater 200.
As Figure 1-Figure 4, the fire door assembly 100 for microwave oven of embodiment includes according to a first aspect of the present invention:
Housing 1, doorframe 2 and cover plate 3.Wherein, the rear open of housing 1.Doorframe 2 is detachably arranged in housing 1,
The choke structure 21 for shield microwaves it is formed with on the periphery of doorframe 2.Choke structure 21 includes: extension board 211
With intercepter 212.Wherein, extension board 211 stretches out from the front surface of doorframe 2.The cross section of intercepter 212 is big
Causing L-shaped, and intercepter 212 includes the first plate 2121 and the second plate 2122, the first plate 2121 is from extension board 211
Neighboring extend along the direction away from housing 1, the second plate and the first plate 2121 is substantially vertical and from the first plate 2121
Free end extend towards doorframe 2 center, the cross-section lengths of the first plate 2121 is L1, the second plate 2122 transversal
The a length of L2 in face, L1+L2 is configured to: λ/4 < L1+L2 < λ/3, wherein, λ is the microwave wavelength in microwave oven,
Wherein limit choke groove 213 between the outer surface of extension board 211, intercepter 212 and doorframe 2.Cover plate 3 can
Releasably it is located at the rear side of doorframe 2 to cover choke structure 21.
It is to say, fire door assembly 100 mainly includes housing 1, doorframe 2 and cover plate 3 three part.Such as at Fig. 1
Example in, housing 1 be centrally formed the first through hole 11 running through it along the longitudinal direction, the shape of the first through hole 11
Generally rectangular shaped, it is provided with clear glass part (not shown) at the first through hole 11, corresponding first through hole 11 on doorframe 2
Position be formed with the second through hole 23, be provided with at the second through hole 23 band foraminate plate (not shown), pass through shell
Plate on the clear glass part of body 1 central authorities and doorframe 2, user can observe the cooking status of food in microwave oven.
As in figure 2 it is shown, the rear surface of doorframe 2 is provided with the door frame contact portion 22 of annular, this door frame contact portion 22 and the
Two through holes are coaxially disposed, door frame contact portion 22 for the body of heater contact site 201 being positioned on front side of body of heater 200 fit with
Prevent the microwave leakage in microwave oven.In the example of Fig. 1, Fig. 3 and Fig. 5, door frame contact portion 22 be integrated from
The annular framework that the rear surface of doorframe 2 is protruded backward and formed, after fire door assembly 100 assembles, doorframe 2
The rear surface of cover plate 3 can slightly be protruded to fit tightly with body of heater contact site 201 in rear surface, thus microwave can be avoided from door
Slot leakage between frame contact site 22 and body of heater contact site 201 is out.The outside in door frame contact portion 22 is formed with tool
There is the choke structure 21 of shield microwaves.Cover plate 3 be centrally formed the third through-hole 33 running through it along the longitudinal direction,
The size of three through holes 33 should make door frame contact portion 22 may pass through third through-hole 33.
In the example of Fig. 1-Fig. 3, choke structure 21 includes extension board 211 and intercepter 212, and intercepter 212 wraps
Include the first plate 2121 and the second plate 2122.The extension board 211 door frame contact portion 22 from doorframe 2 be positioned at outside
Sidewall stretches out, the angle between the sidewall in extension board 211 and door frame contact portion 22 substantially in 90 °, the first plate
2121 from the free end of extension board 211 extend back and and extension board 211 between angle substantially in 90 °, the second plate
2122 the most i.e. extend towards the direction of doorframe 2 central authorities from the free end of the first plate 2121, and the second plate 2122 extends to
The sidewall in outside it is positioned at close to the door frame contact portion 22 on doorframe 2, and between the second plate 2122 and the first plate 2121
Angle is substantially in 90 °.Door frame contact portion 22 on doorframe 2 is positioned at the sidewall in outside, extension board 211, intercepter
The choke groove 213 for shield microwaves is jointly limited between 212.Between extension board 211 and the first plate 2121, with
And between the outer surface of extension board 211 and doorframe 2, it is respectively rounding off.
In one of them example of the present invention, as it is shown in figure 1, the front surface of cover plate 3 is provided with and prolongs the most backward
The receiving limit groove 31 stretched, wherein, when cover plate 3 and doorframe 2 coordinate, choke structure 21 is contained in receiving limit groove 31
In, in other words, receiving limit groove 31 wraps and is formed with the buckle coordinated with housing 1 on choke structure 21, and cover plate 3
Structure 32.Thus, by receiving limit groove 31 that choke structure 32 is contained on cover plate 3, save space and have
Effect reduces packaging volume, by arranging buckle structure 32 on cover plate 3, can be located at securely on housing 1 by cover plate 3.
Wherein, this buckle structure 32 can be one or more.
It is understood that the quantity of buckle structure 32 can require to arrange according to practical set, preferably to meet assembling
Requirement.Certainly, the invention is not restricted to this, in other examples of the present invention, also can use other assembling mode example
As bolt connects to be located on housing 1 by cover plate 3.
As shown in Figure 4, in order to effectively prevent microwave leakage in microwave oven out, become according to transmission-wire terminal short-circuit impedance
Changing principle, L1+L2 is configured to: < L1+L2 < λ/3, wherein, λ is the microwave wavelength in microwave oven in λ/4.Work as microwave
Between 5.5 ~ 6GHz frequency range, as a example by the microwave of 5.8GHz frequency range, wavelength X=51.7mm, now
12.925mm < L1+L2 < 17.23mm, compared with the corresponding size in conventional choke structure, size is little will by about one time,
It is unlikely to deform, because of without increasing reinforced hole or reinforcement.Thus, four weekly assemblies of doorframe 2 present the highest impedance,
So that the gap between door frame contact portion 22 and the body of heater contact site 201 of microwave oven body 200 from doorframe 2
The microwave leaked out is when running into choke groove 213, and microwave is blocked.
According to the fire door assembly 100 for microwave oven of the present invention, by arranging choke structure 21 in the periphery of doorframe 2,
By arranging choke groove 213, constitute the path in high impedance in microwave transmission, when microwave door frame contact from doorframe 2
Slot leakage between the body of heater contact site 201 of portion 22 and microwave oven body 200 out time, microwave can be via choke groove
Reflected after each wall of 213, thus the leakage of microwave in effectively prevent microwave oven.Thus, this kind of design makes
Need not strict contact mechanically between door frame contact portion 22 and body of heater contact site 201, thus greatly reduce adding
The requirement of work precision, even and if life-time service shield effectiveness also will not decline.
As shown in Figure 4, the distance between free end and the outer surface of doorframe 2 of the second plate 2122 is G1, in other words,
Distance between the outside wall surface of the free end of the second plate 2122 and the sidewall in door frame contact portion 22 is G1.Specifically, G1
In the range of 0.1 λ ~ 0.15 λ.
In one embodiment of the invention, the width vertical with its length direction of extension board 211 is L3, namely
Saying, the distance between outside wall surface and first plate 2121 of the sidewall in door frame contact portion 22 is L3.Described L3 is constructed
Become: L3=λ/4, wherein, λ is the microwave wavelength in described microwave oven.
As it is shown on figure 3, be provided with the most spaced apart multiple breach 2123, breach 2123 on intercepter 212
Run through the second plate 2122 and run through a part for the first plate 2121 and end at neighbouring first plate 2121 and extension board 211
Junction.Such as in the example of Fig. 2 and Fig. 3, multiple breach 2123 are formed uniformly on intercepter 212,
Intercepter 212 is divided into multiple chokes portion 2124 by the most multiple breach 2123, and breach 2123 is completely through the second plate 2122
And the part running through the first plate 2121 also and keeps certain distance between extension board 211, thus, may be implemented in wider
Micro-wave screening effect good in frequency band range.
As it is shown on figure 3, a length of W2 of breach 2123, say, that breach 2123 length in the longitudinal direction
For the width that W2, i.e. W2 are breach 2123, W2 is in the range of 0.1 λ ~ 0.2 λ.Breach 2123 runs through the first plate
The degree of depth of the part of 2121 is that W3, W3 are configured to: W3=L1/2.The adjacent distance between breach 2123 is
W=W1+W2, wherein, the width in chokes portion 2124 is that W1, W1 are in the range of 0.15 λ ~ 0.3 λ.Wherein, λ is
Microwave wavelength in microwave oven.
As it is shown in figure 5, the microwave oven 400 of embodiment includes according to a second aspect of the present invention: body of heater 200 and according to above-mentioned
The fire door assembly 100 for microwave oven of first aspect.Wherein, the front side of body of heater 200 is opened wide, the internal limit of body of heater 200
Make the accommodating chamber for accommodating food to be cooked.Fire door assembly 100 be pivotally arranged in the front side of body of heater 200 with
Open or close body of heater 200.
In one embodiment of the invention, this microwave oven 400 farther includes: door-hinge plate 300.Body of heater 200 and stove
Door assembly 100 limits the receiving space for accommodating door-hinge plate 300 jointly.Fire door assembly 100 is by door-hinge plate 300
It is pivotably coupled on body of heater 200.In the example of hgure 5, door-hinge plate 300 has two, and is respectively provided at body of heater
The top and bottom of left on front side of in the of 200.It is understood that the quantity of door-hinge plate 300 can be arranged according to actual requirement,
Preferably to meet actual requirement.
Microwave oven 400 according to the present invention, by arranging fire door assembly 100, has the microwave of 5.5 ~ 6GHz frequency range
Good shield effectiveness, thus the microwave leakage being prevented effectively from microwave oven is out, and then human body is worked the mischief.Separately
Outward, this fire door assembly 100 simple in construction, size is little, is unlikely to deform and convenient processing.
Other of microwave oven 400 according to embodiments of the present invention constitute such as magnetron and control circuit etc. and operation for this
It is all known for the those of ordinary skill of field, is not detailed herein.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ", " show
Example ", the description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes specific features, knot
Structure, material or feature are contained at least one embodiment or the example of the present invention.In this manual, to above-mentioned term
Schematic representation be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can combine in any one or more embodiments or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: do not taking off
In the case of the principles and objective of the present invention, these embodiments can be carried out multiple change, revise, replace and modification,
The scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. the fire door assembly for microwave oven, it is characterised in that including:
Housing, the rear open of described housing；
Doorframe, described doorframe is detachably arranged in described housing, the periphery of described doorframe is formed for shield microwaves
Choke structure, described choke structure includes:
Extension board, described extension board stretches out from the front surface of described doorframe；
Intercepter, described intercepter is substantially L-shaped and includes the first plate and the second plate, and described first plate is from institute
State the neighboring of extension board to extend along the direction away from housing, described second plate substantially vertical with described first plate and
Extending towards described doorframe center from the free end of described first plate, the cross-section lengths of described first plate is L1,
The cross-section lengths of described second plate is that L2, L1+L2 are configured to:
λ/4<L1+L2<λ/3
Wherein, the microwave wavelength in λ is described microwave oven；
Choke groove is limited between the outer surface of wherein said extension board, intercepter and described doorframe；With
And
Cover plate, described cover plate is detachably arranged in the rear side of described doorframe to cover described choke structure.
Fire door assembly for microwave oven the most according to claim 1, it is characterised in that described second plate from
Being G1 by the distance between end and the outer surface of described doorframe, described G1 is in the range of 0.1 λ ~ 0.15 λ.
Fire door assembly for microwave oven the most according to claim 2, it is characterised in that described extension board with
The width that its length direction is vertical is L3, and described L3 is configured to:
L3=λ/4
Wherein, the microwave wavelength in λ is described microwave oven.
4. according to the fire door assembly for microwave oven according to any one of claim 1-3, it is characterised in that described
Intercepter is provided with the most spaced apart multiple breach, and described breach runs through described second plate and runs through described
The part of first plate and end at the junction of neighbouring described first plate and described extension board.
Fire door assembly for microwave oven the most according to claim 4, it is characterised in that the plurality of breach is equal
It is formed on described intercepter evenly.
Fire door assembly for microwave oven the most according to claim 5, it is characterised in that the length of described breach
For W2, described W2 in the range of 0.1 λ ~ 0.2 λ,
It is W3 that described breach runs through the degree of depth of the part of the first plate, and described W3 is configured to: W3=L1/2,
The adjacent distance between described breach is W=W1+W2, wherein, described W1 in the range of 0.15 λ ~ 0.3 λ,
Wherein, the microwave wavelength in λ is described microwave oven.
Fire door assembly for microwave oven the most according to claim 1, it is characterised in that the front table of described cover plate
Face is provided with the receiving limit groove formed along its periphery, and wherein said choke structure is contained in the groove of described receiving limit, and institute
State and on cover plate, be formed with the buckle structure coordinated with described housing.
8. a microwave oven, it is characterised in that including:
Body of heater, the front side of described body of heater is opened wide；With
According to the fire door assembly for microwave oven according to any one of claim 1-7, described fire door assembly is pivotly
It is located at the front side of described body of heater to open or close described body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485669.5A CN103836684B (en) | 2012-11-23 | 2012-11-23 | For the fire door assembly of microwave oven and the microwave oven with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485669.5A CN103836684B (en) | 2012-11-23 | 2012-11-23 | For the fire door assembly of microwave oven and the microwave oven with it |
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| CN103836684A CN103836684A (en) | 2014-06-04 |
| CN103836684B true CN103836684B (en) | 2016-10-12 |
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Families Citing this family (6)
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| EP3057381B1 (en) * | 2015-02-11 | 2017-08-23 | Electrolux Appliances Aktiebolag | An oven door for a microwave oven |
| CN104613517A (en) * | 2015-02-13 | 2015-05-13 | 广东美的厨房电器制造有限公司 | Microwave oven door body, door frame of microwave oven door body, and microwave oven |
| CN110409152B (en) * | 2018-04-28 | 2021-10-08 | 无锡小天鹅电器有限公司 | Clothes dryer box structure and clothes dryer |
| CN110753413B (en) * | 2018-07-24 | 2022-03-04 | 青岛海尔智能技术研发有限公司 | Enclosed door, microwave oven, oven and dryer |
| CN110381622A (en) * | 2019-07-23 | 2019-10-25 | 广东格兰仕集团有限公司 | A kind of micro-wave oven door body structure |
| CN112303686B (en) * | 2019-07-29 | 2023-10-10 | 青岛海尔特种电冰柜有限公司 | Choke structure, furnace door with same and microwave oven |
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| CN101469879A (en) * | 2007-12-26 | 2009-07-01 | 乐金电子(天津)电器有限公司 | Microwave oven doorframe |
| CN101881473A (en) * | 2010-07-15 | 2010-11-10 | 广东格兰仕集团有限公司 | Microwave oven door structure |
| CN202973238U (en) * | 2012-11-23 | 2013-06-05 | 美的集团股份有限公司 | Furnace door assembly for microwave oven and microwave oven with same |
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