CN1615052A - Door of microwave oven with structure for preventing microwave leakage - Google Patents
Door of microwave oven with structure for preventing microwave leakage Download PDFInfo
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- CN1615052A CN1615052A CN 200310105617 CN200310105617A CN1615052A CN 1615052 A CN1615052 A CN 1615052A CN 200310105617 CN200310105617 CN 200310105617 CN 200310105617 A CN200310105617 A CN 200310105617A CN 1615052 A CN1615052 A CN 1615052A
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Abstract
The blockage structure is divided into multi blockages with short and long shape through adjusting the position of multi cutting grooves. Combining selection of two kinds of cutting groove width, the optimal structure has wide choke frequency band and small microwave leakage. The cutting groove is widened on the circumferential wall of the blockage structure to form rectangular hole. The rectangular hole is opened on circumferential wall of longer blockage to make the mechanic strength of circumferential wall basically same. The circumferential wall of each blockage with pin hole is made a lighter punch socket, and others are made deeper punch socket to enhance the mechanic strength. The multi jackcatches are set at the inner side face of door cover board to use the corresponding rectangular hole in the blockage structure for making position fixing. Strip hole is set at the edge fold on the outside wall of choke groove.
Description
Affiliated technical field
The present invention relates to a kind of door of microwave oven, especially have the door for microwave oven that prevents the outside leakage function of microwave.
Background technology
Utilize the microwave oven of microwave heating cooked food, manufacture box usually.Be provided with the cooking room of a front opening and the canyon of a sealing in the box housing.The microwave generator assembly that produces microwave is installed in the canyon to be reached its electronic structure spare of controlling.Cooking room is used for placing the food of desiring cooking.Cooking room front opening place is equipped with a sect.When opening, this sect can put into or take out food, the cooking situation of closing back maskable microwave and can observe food by the window that constitutes by a plurality of micropores.But user's safety if not taking special measure to have microwave leakage does not come out, is endangered in the slit of door and the intersection of cooking room front end.For addressing the above problem, Chinese invention patent specification CN 1095972C discloses the patent No. and has been: ZL95118872.0, a kind of technical scheme of " door for microwave oven with microwave shielding structure " by name.It limits based on the Microwave Path of the anti-microwave leakage structure of opposite house, reaches to reduce the leakage of microwave first-harmonic.This technical scheme proposes door for microwave oven, comprising: the door screen board of the window that band is made of a plurality of micropores, can observe the cooking status of food by this window; A sealing surface that forms along the neighboring area of door screen board, it is connected with the whole neighboring area of the front panel that constitutes at cooking chamber for microwave oven front opening place, and being used at first, shield microwaves leaks; A doorframe that integrally forms by prolonging sealing surface, it has choke structure, is used for masking once more the microwave from leaking between sealing surface and the front panel; It is rectangle and the choked flow groove that leans on the sealing surface opening that this choke structure is bent into peripheral cross section from sealing surface to periphery; The length that the choked flow slot cross-section meets Microwave Path is 1/4* λ 0, and λ 0 is a free space microwave wavelength; Inwall and periphery wall along choked flow groove periphery have a plurality of groovings, and this choke structure is divided into many obstructions; On the outer wall of the choked flow groove periphery that faces toward these groovings, constitute impedance and strengthen the hole.This technical scheme designs by microwave generator assembly microwave first-harmonic, microwave choked flow frequency bandwidth is narrow, unavoidable because the difference of each microwave generator assembly and the deviation of choke structure mechanical dimension cause each microwave oven anti-leak performance that bigger difference is arranged in actual batch production process.The microwave that also has other wavelength such as high order harmonic component of microwave first-harmonic in actual use in the cooking chamber for microwave oven need be expanded the requirement that microwave choked flow frequency bandwidth could satisfy security protection significantly.Again, door screen board, sealing surface, doorframe and choke structure thereof are to be formed by sheet metal die-cut back bending in this technical scheme; Each mechanical strength of blocking is low, and it is yielding to be subjected to external force; When particularly installing decorative panel additional on doorframe and choke structure thereof, make some block distortion easily, the anti-leak performance degenerates; In addition, the flanging moulding difficulty of the outer wall of choked flow groove periphery and periphery wall is big.
Summary of the invention
The present invention aims to provide a kind of microwave choked flow frequency bandwidth with broad, the little door for microwave oven with anti-microwave leakage structure of each microwave oven anti-leak performance difference in actual batch production process.
Second purpose of the present invention provides a kind of each mechanical strength height that blocks, and be not yielding, is convenient to install additional decorative panel and is easy to the flanging moulding, has the door for microwave oven with anti-microwave leakage structure of the microwave choked flow frequency bandwidth of broad.
The objective of the invention is to realize: have the door for microwave oven of anti-microwave leakage structure, comprising by following scheme: a door screen board that has the window that constitutes by many micropores, can observe the cooking status of food by this window; A sealing surface that forms along the neighboring area of door screen board, it is connected with the whole neighboring area of the front panel that constitutes at cooking chamber for microwave oven front opening place, and being used at first, shield microwaves leaks; A doorframe that passes through outside Zhou Yanchang sealing surface and integrally form, it has choke structure, is used for masking once more the microwave from leaking between sealing surface and the front panel; This choke structure is that to be bent into peripheral cross section from sealing surface to periphery be rectangle and by the choked flow groove of sealing surface opening; Inwall and periphery wall along choked flow groove periphery have a plurality of groovings, and this choke structure is divided into a plurality of obstructions; A plurality of groovings of described choke structure are divided into this choke structure the long short a plurality of obstructions that have.Respectively block length broadening microwave choked flow frequency bandwidth with adjusting respectively.
And then the degree of depth of each grooving of described choke structure is identical and width has two kinds of different sizes at least, further improves microwave choked flow frequency bandwidth internal resistance family status matter with adjusting each notch width respectively.
Second purpose of the present invention is based on such scheme and takes following measure to realize: this door for microwave oven with anti-microwave leakage structure, the periphery of door screen board stretch backward and turn down and form the sealing surface that rectangular ring is smooth; The choked flow groove is to extend beyond a screen board forward by sealing surface to form internal perisporium, and outwards flat folding forms outer wall, extends back to be lower than sealing surface formation periphery wall again, forms inwall to the flat folding of sealing surface at last; Between inwall free end and internal perisporium, leave opening; Each grooving is positioned at periphery wall that the part of the periphery wall of choked flow groove periphery blocked by its center alignment adjacent two and is extended to rectangular opening to make grooving form head be the T shape grooving of bar shaped otch at inwall at the rectangular opening afterbody that periphery wall turns down; And increase a rectangle punching at the inner wall place of the periphery wall centering of long obstruction, respectively do the bar shaped punching press nest along the periphery wall Width of enhance mechanical strength between rectangle punching both sides and the rectangular opening, the periphery wall of short obstruction is done the bar shaped punching press nest along the periphery wall Width of enhance mechanical strength.
A kind of preferred construction comprises that also the rear side that is installed in it plays the trim panel of decoration and protective effect to described choke structure; Each side of trim panel periphery respectively is provided with at least two pins that stretch to choked flow groove periphery wall; The periphery wall of choked flow groove periphery be arranged in same side each block the pin holes of doing plug-in mounting trim panel pin selectively at a plurality of obstruction periphery walls; A more shallow bar shaped punching press nest is respectively arranged between each pin holes both sides and rectangular opening or the rectangle punching; And remaining bar shaped punching press nest that blocks that respectively periphery wall does is darker bar shaped punching press nest.
The front that preferred construction is also comprised be installed in it is decorated and the door cover plate of protective effect; Be provided with a plurality of claws near the periphery of door cover plate inner surface, each claw respectively plug-in card in the corresponding rectangle punching of choke structure or rectangular opening near on the edge of outer wall.
It comprises that also an edge-on limit that is installed in it is locked in the gate stop that has upper and lower guided in translation piece at the cooking room front opening place of microwave oven with it after closing, at the choked flow groove periphery of described choke structure the corresponding upper and lower guided in translation piece in the outer wall of periphery wall place on that edge-on limit that should gate stop is provided with the upper and lower guided in translation of strip hole, and the degree of depth of each grooving corresponding with upper and lower guided in translation hole reduces as adaptability; Between the upper and lower guided in translation hole of the same side stile, select an obstruction that the outer perisporium of its outer wall place is gone out a gap and forms the hook that mounts the gate stop back-moving spring to the turnover of the outside of periphery wall; The obstruction periphery wall that contains upper and lower guided in translation hole and hook is not done the bar shaped punching press nest along the periphery wall Width of enhance mechanical strength.
At the flanging place of outer perisporium on the outer wall of the big choked flow groove periphery of flanging moulding difficulty, corresponding each periphery wall that blocks in the flanging place of outer perisporium is done the bar hole of auxiliary turnover on outer wall.
The bar hole form of recommending is: described bar hole is triplets at the outer wall of long obstruction, the rectangle punching facing to this obstruction placed in the middle, a darker bar shaped punching press nest or a pin holes that faces toward this obstruction respectively of both sides; Described bar hole is one one group at the outer wall of short obstruction, blocks the centering place facing to this.
The present invention has the door for microwave oven of anti-microwave leakage structure, measure the microwave leakage amount of fire door from 30MHz to 18GHz by repetition test, thereby adjust the particular location of a plurality of groovings of choke structure repeatedly, this choke structure is divided into the long short a plurality of obstructions that have, cooperate again and select two kinds of different notch widths for use, it is wide to reach microwave choked flow frequency bandwidth, and what the microwave leakage amount was little optimizes structure.Because this microwave choked flow frequency bandwidth of optimizing structure is wide, even in actual batch production process because the difference of each microwave generator assembly and the deviation of choke structure mechanical dimension, with the microwave that also has other wavelength such as high order harmonic component of microwave first-harmonic in the cooking chamber for microwave oven, the difference of each microwave oven anti-leak performance is very little.Again grooving is expanded into rectangular opening in the part of choke structure periphery wall, has done pin holes plug-in mounting trim panel at the periphery wall of some obstructions selectively; A more shallow bar shaped punching press nest is respectively arranged between pin holes both sides and the rectangular opening, and remaining respectively blocks periphery wall and does darker bar shaped punching press nest.The mechanical strength of the periphery wall that each blocks all is enhanced.And utilize and increasing the rectangle punching than long obstruction periphery wall, make long obstruction with basic identical than the periphery wall mechanical strength of short obstruction.A plurality of claws of door cover plate inner surface plug-in card respectively make door cover plate and doorframe and choke structure thereof be coupled to one near on the edge of outer wall in the corresponding rectangle punching of choke structure or rectangular opening.The flanging place of outer perisporium establishes bar hole on the outer wall of choked flow groove periphery, and the turnover difficulty is reduced, and rate of finished products improves.
Description of drawings
Fig. 1 is the deployed configuration schematic diagram of an embodiment of the door for microwave oven of the present invention with anti-microwave leakage structure.
Fig. 2 is the main TV structure schematic diagram of Fig. 1 embodiment door main body.
Fig. 3 is the backsight structural representation of Fig. 1 embodiment door main body.
Fig. 4 is the left TV structure schematic diagram of Fig. 1 embodiment door main body.
Fig. 5 is the right TV structure schematic diagram of Fig. 1 embodiment door main body.
Fig. 6 is the plan structure schematic diagram of Fig. 1 embodiment door main body.
Fig. 7 is the A-A cross-sectional view of Fig. 1 embodiment door main body.
Fig. 8 is the B-B section structure for amplifying schematic diagram of Fig. 1 embodiment door main body.
Fig. 9 is the C-C section structure for amplifying schematic diagram of Fig. 1 embodiment door main body.
Embodiment
The present invention has the deployed configuration of a preferred embodiment of the door for microwave oven of anti-microwave leakage structure, sees also Fig. 1.This door for microwave oven, door main body 1 is rectangular, is stamped to form by steel plate; Install hinge seat 11 and following hinge seat 12 respectively for two jiaos about the left side of door main body 1, so that hinged with the body of heater of microwave oven.Gate stop 13 and spring 14 are installed in the right side of door main body 1, so that after door is closed, with the cooking room front opening place of door locked at microwave oven.The upper and lower of gate stop 13 respectively has a guided in translation piece 131 to be stuck in the corresponding on the lower side strip guided in translation hole 106 in the stile top, right side of door main body 1 and middle part, the free end of spring 14 is enclosed within on the hook 132 on gate stop 13 tops, and the stiff end of spring 14 is enclosed within on the hook 107 at right side stile middle part of door main body 1.Gate stop 13 door main body 1 translation relatively.The rear side of door main body 1 is equipped with a transparent interior form 15 and the rectangular box-like trim panel 16 with the plastics manufacturing, and 1 of door main body is decorated and protective effect.Trim panel 16 each side of periphery respectively are provided with two to four pins 161 that stretch to door main body 1 periphery wall, and their difference plug-in cards are in the pin holes 10334 of door main body 1 periphery wall correspondence.The installed in front of door main body 1 has the door cover plate 2 with the plastics manufacturing of a rectangle.Door cover plate 2 is for the front has window, the flat box that rear side opens wide; The escutcheon 21 of nickel plating is installed at its window place, and a transparent outer form 22 is installed in the window back.1 of 2 pairs of door main body of door cover plate are decorated and protective effect.
See also Fig. 2 to Fig. 9, the central authorities of door main body 1 are the door screen boards 101 to lordosis, door screen board 101 middle parts are windows 1011 that are made of many micropores, window 1011 maskable microwaves but light is passed through, the outer form 22 by door cover plate 2 during use and this window 1011 and in form 15 can observe the cooking status of food in the cooking room.The periphery of edge door screen board 101 stretches backward and turns down and forms the sealing surface 102 that rectangular ring is smooth, and it is connected with the whole neighboring area of the front panel that constitutes at cooking chamber for microwave oven front opening place, and being used at first, shield microwaves leaks.The periphery of sealing surface 102 stretches forward and turns down and integrally form the doorframe 100 of a rectangular ring.Doorframe 100 has choke structure, is used for masking once more the microwave from leaking between sealing surface 102 and the cooking chamber for microwave oven front panel.
Please emphasis referring to Fig. 7 and Fig. 9, choke structure is that to be bent into peripheral cross section from sealing surface 102 to periphery be rectangle and by the choked flow groove 103 of sealing surface 102 openings.Choked flow groove 103 is to extend beyond a screen board 101 forward by sealing surface 102 to form internal perisporium 1031; Flat then folding forms outer wall 1032; Extending back then is lower than sealing surface 102 formation periphery walls 1033, forms inwalls 1034 to sealing surface 102 flat foldings at last; Between inwall 1034 free ends and internal perisporium 1031, leave opening 104.At the microwave-based wave frequency is the microwave generator assembly of 2450MHz, and present embodiment internal perisporium 1031 width are selected 18.5 millimeters for use, and outer wall 1032 width are selected 13.75 millimeters for use, and periphery wall 1033 width are selected 15.6 millimeters for use, and inwall 1034 width are selected 9.75 millimeters for use; Thereby the width of opening 104 is 4 millimeters, and inwall 1034 is lower than sealing surface 102 about 2.9 millimeters.
Please back referring to Fig. 3 to Fig. 6, have a plurality of groovings 105 along the inwall 1034 and the periphery wall 1033 of choked flow groove 103 peripheries, this choke structure is divided into the long short a plurality of obstructions 109 that have is arranged.The centre distance of adjacent two groovings 105 is between 10 millimeters to 50 millimeters, determine by measuring the microwave leakage amount test of fire door from 30MHz to 18GHz, the degree of depth of each grooving 105 is identical to be 10.3 millimeters, and width have 7 millimeters with 5 millimeters two kinds of different sizes, also determine by test.
Please referring to Fig. 3 and Fig. 6, doorframe 100 upper side edges are divided into ten by nine road groovings 105 and block 109, and wherein there are seven long obstructions 109 on the right side, the obstruction 109 of three weak points in left side.The part that all each groovings 105 are positioned at the periphery wall 1033 of choked flow groove 103 peripheries is blocked 109 periphery wall 1033 by its center alignment adjacent two and is extended to rectangular opening 10331, makes grooving 105 form heads at the rectangular opening 10331 of periphery wall 1033 turnovers and afterbody is the T shape grooving 105 of bar shaped otch 1051 at inwall 1034.Each increases a rectangle punching 10335 in inner wall 1034 places of periphery wall 1033 centerings of long obstruction 109, and rectangle punching 10335 is concordant with rectangular opening 10331, and its width is with the length change of the obstruction 109 at its place.The periphery wall 1033 of the obstruction 109 that each is short do an enhance mechanical strength along the darker bar shaped punching press nest 10332 of periphery wall 1033 Widths, periphery wall 1033 rectangle punchings 10335 both sides of the obstruction 109 that each is long respectively do respectively an enhance mechanical strength along periphery wall 1033 Widths darker bar shaped punching press nest 10332 or a pair of more shallow bar shaped punching press nest 10333, please referring to Fig. 8 and Fig. 9.For trim panel 16 is installed, block at each and to have selected four long obstructions 109 to do the pin holes 10334 of plug-in mounting trim panel pin 161 in 109, a more shallow bar shaped punching press nest 10333 is respectively arranged between pin holes 10334 both sides and rectangular opening 10331 or the rectangle punching 10335 in its periphery wall 1033 rectangle punchings 10,335 one sides.
Please referring to Fig. 3 and Fig. 4, limit, doorframe 100 left side is divided into ten by nine road groovings 105 and blocks 109, and wherein there are two long obstructions 109 at the middle part, and the obstruction 109 of four weak points is respectively arranged up and down.The structure of the obstruction 109 of the structure of grooving 105 and length all has been previously described.In this side, for trim panel 16 is installed, block the obstruction 109 of having selected four weak points in 109 at each and do the pin holes 10334 of plug-in mounting trim panel pin 161, a more shallow bar shaped punching press nest 10333 is respectively arranged between pin holes 10334 both sides and the rectangular opening 10331 at its periphery wall 1033.In addition, selected a long obstruction 109 to do the pin holes 10334 of plug-in mounting trim panel pin 161 at its periphery wall 1033, it is identical that its structure and front were narrated.
Please referring to Fig. 3 and Fig. 5, doorframe 100 right edge are divided into nine by eight road groovings 105 and block 109,109 ', 109 ".The obstruction 109 ', 109 that 109, six weak points of three long obstructions are wherein arranged ".The upper and lower guided in translation piece 131 of the corresponding gate stop 13 in periphery wall 1033 outer walls 1032 places of choked flow groove 103 peripheral right side stiles is provided with the upper and lower guided in translation of strip hole 106, the obstruction 109 ' of last guided in translation hole 106 corresponding two weak points, the obstruction 109 ' of following guided in translation hole 106 corresponding three weak points.The degree of depth of each grooving 105 corresponding with upper and lower guided in translation hole 106 reduces as adaptability, is 3.1 millimeters.The obstruction 109 that a weak point is arranged between the upper and lower guided in translation hole 106 of the same side stile " outer wall 1032 outer perisporiums 1033 places go out a gap and turnover forms the hook 107 that mounts gate stop 13 back-moving springs 14 to the outside of periphery wall 1033.The structure of all each groovings 105 as hereinbefore, but the rectangular opening 10331 of each grooving 105 corresponding with upper and lower guided in translation hole 106 is strip.Note, contain the obstruction 109 ' in upper and lower guided in translation hole 106 and link up with 107 obstruction 109 " periphery wall 1033 do not do the bar shaped punching press nest of enhance mechanical strength.Other respectively blocks 109 structure as hereinbefore.For trim panel 16 is installed, this edge-on limit, from choked flow groove 103 peripheries except that the obstruction 109 ' that contains upper and lower guided in translation hole and link up with 107 obstruction 109 " respectively block 109 and to select each long obstruction 109 up and down; respectively do the pin holes 10334 of a plug-in mounting trim panel pin 161 in their periphery wall 1033 rectangle punchings 10335 both sides; a more shallow bar shaped punching press nest 10333 is respectively arranged between pin holes 10334 both sides and rectangular opening 10331 or the rectangle punching 10335, see also Fig. 5 and Fig. 8; And a darker bar shaped punching press nest 10332 is respectively done in remaining one long obstruction 109 periphery walls 1033 rectangle punchings 10335 both sides.
The width of rectangular opening 10331 and rectangle punching 10335 is generally 10.5 millimeters, arrange pin holes 10334 and the more shallow bar shaped punching press nest 10333 of both sides and darker bar shaped punching press nest 10332 for taking into account, the width of some local rectangular opening 10331 and rectangle punching 10335 is 9 millimeters, and the width of indivedual local rectangular openings 10331 is narrower.In a word, the width of rectangular opening 10331 and rectangle punching 10335 is to determine according to the length of each obstruction 109 and the corresponding adjustment of width of grooving 105.
Be provided with a plurality of claws near the periphery of door cover plate 2 inner surfaces, each claw respectively plug-in card in the corresponding rectangle punching 10335 of choke structure or rectangular opening 10331 near on the edge of outer wall 1032.Door cover plate 2 is installed on doorframe and the choke structure thereof.
Can be clear and definite from the explanation of front, the particular location of each claw of door cover plate 2, and the particular location of each pin 161 of trim panel 16 are to determine afterwards that by each concrete size and position of blocking 109 row is selected again.
See also Fig. 2.The flanging place correspondence of outer perisporium 1033 is except that there being 109 the periphery wall 1033 of respectively blocking of hook 107 obstruction 109 to do the auxiliary bar hole 108 that turns down on the outer wall 1032 of choked flow groove 103 peripheries.
For long obstruction 109, bar hole 108 is made the form of one group 1081 of three bar hole, placed in the middle blocks 109 rectangle punching 10335 facing to this, both sides block a darker bar shaped punching press nest 10332 or a pin holes 10334 of 109 respectively facing to this; And all the other relatively short respectively block the form that 109 bar hole 108 becomes a group 1082, block 109 centerings place facing to this.
Claims (8)
1. have the door for microwave oven of anti-microwave leakage structure, comprising: a door screen board that has the window that constitutes by many micropores, can observe the cooking status of food by this window; A sealing surface that forms along the neighboring area of door screen board, it is connected with the whole neighboring area of the front panel that constitutes at cooking chamber for microwave oven front opening place, and being used at first, shield microwaves leaks; A doorframe that passes through outside Zhou Yanchang sealing surface and integrally form, it has choke structure, is used for masking once more the microwave from leaking between sealing surface and the front panel; This choke structure is that to be bent into peripheral cross section from sealing surface to periphery be rectangle and by the choked flow groove of sealing surface opening; Inwall and periphery wall along choked flow groove periphery have a plurality of groovings, and this choke structure is divided into a plurality of obstructions; It is characterized in that: a plurality of groovings of described choke structure are divided into this choke structure the long short a plurality of obstructions that have, and respectively blocks length broadening microwave choked flow frequency bandwidth with adjusting respectively.
2. the door for microwave oven with anti-microwave leakage structure according to claim 1, it is characterized in that: the degree of depth of each grooving of described choke structure is identical and width has two kinds of different sizes at least, further improves microwave choked flow frequency bandwidth internal resistance family status matter with adjusting each notch width respectively.
3. the door for microwave oven with anti-microwave leakage structure according to claim 1 and 2 is characterized in that: the periphery of described door screen board stretches backward and turns down and forms the sealing surface that rectangular ring is smooth; The choked flow groove is to extend beyond a screen board forward by sealing surface to form internal perisporium, and outwards flat folding forms outer wall, extends back to be lower than sealing surface formation periphery wall again, forms inwall to the flat folding of sealing surface at last; Between inwall free end and internal perisporium, leave opening; Each grooving is positioned at periphery wall that the part of the periphery wall of choked flow groove periphery blocked by its center alignment adjacent two and is extended to rectangular opening to make grooving form head be the T shape grooving of bar shaped otch at inwall at the rectangular opening afterbody that periphery wall turns down; And increase a rectangle punching at the inner wall place of the periphery wall centering of long obstruction, respectively do the bar shaped punching press nest along the periphery wall Width of enhance mechanical strength between rectangle punching both sides and the rectangular opening, the periphery wall of short obstruction is done the bar shaped punching press nest along the periphery wall Width of enhance mechanical strength.
4. the door for microwave oven with anti-microwave leakage structure according to claim 3 it is characterized in that: further comprising the rear side that is installed in it plays decoration and protective effect to described choke structure trim panel; Each side of trim panel periphery respectively is provided with at least two pins that stretch to choked flow groove periphery wall; The periphery wall of choked flow groove periphery be arranged in same side each block the pin holes of doing plug-in mounting trim panel pin selectively at a plurality of obstruction periphery walls; A more shallow bar shaped punching press nest is respectively arranged between each pin holes both sides and rectangular opening or the rectangle punching; And remaining bar shaped punching press nest that blocks that respectively periphery wall does is darker bar shaped punching press nest.
5. the door for microwave oven with anti-microwave leakage structure according to claim 4 it is characterized in that: further comprising that the front that is installed in it is decorated and the door cover plate of protective effect; Be provided with a plurality of claws near the periphery of door cover plate inner surface, each claw respectively plug-in card in the corresponding rectangle punching of choke structure or rectangular opening near on the edge of outer wall.
6. the door for microwave oven with anti-microwave leakage structure according to claim 3, it is characterized in that: further comprising an edge-on limit that is installed in it it is locked in the gate stop that has upper and lower guided in translation piece at the cooking room front opening place of microwave oven after closing, at the choked flow groove periphery of described choke structure the corresponding upper and lower guided in translation piece in the outer wall of periphery wall place on that edge-on limit that should gate stop is provided with the upper and lower guided in translation of strip hole, and the degree of depth of each grooving corresponding with upper and lower guided in translation hole reduces as adaptability; Between the upper and lower guided in translation hole of the same side stile, select an obstruction that the outer perisporium of its outer wall place is gone out a gap and forms the hook that mounts the gate stop back-moving spring to the turnover of the outside of periphery wall; The obstruction periphery wall that contains upper and lower guided in translation hole and hook is not done the bar shaped punching press nest along the periphery wall Width of enhance mechanical strength.
7. the door for microwave oven with anti-microwave leakage structure according to claim 3 is characterized in that: corresponding each periphery wall that blocks in the flanging place of outer perisporium is done the bar hole of auxiliary turnover on the outer wall of described choked flow groove periphery.
8. the door for microwave oven with anti-microwave leakage structure according to claim 7, it is characterized in that: described bar hole is triplets at the outer wall of long obstruction, rectangle punching facing to this obstruction placed in the middle, a darker bar shaped punching press nest or a pin holes that faces toward this obstruction respectively of both sides; Described bar hole is one one group at the outer wall of short obstruction, blocks the centering place facing to this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105617 CN1615052A (en) | 2003-11-05 | 2003-11-05 | Door of microwave oven with structure for preventing microwave leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105617 CN1615052A (en) | 2003-11-05 | 2003-11-05 | Door of microwave oven with structure for preventing microwave leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1615052A true CN1615052A (en) | 2005-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310105617 Pending CN1615052A (en) | 2003-11-05 | 2003-11-05 | Door of microwave oven with structure for preventing microwave leakage |
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| Country | Link |
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| CN (1) | CN1615052A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890177A (en) * | 2009-05-19 | 2010-11-24 | 博西华电器（江苏）有限公司 | Household appliance with a front-side frame |
| CN101785360B (en) * | 2007-09-03 | 2013-01-09 | 伊莱克斯家用产品股份有限公司 | A wave choke device for a microwave oven door |
| CN103604143A (en) * | 2013-11-20 | 2014-02-26 | 广东威特真空电子制造有限公司 | Double-frequency microwave oven door and double-frequency microwave oven |
| CN108886845A (en) * | 2016-03-25 | 2018-11-23 | 松下知识产权经营株式会社 | Thermatron |
-
2003
- 2003-11-05 CN CN 200310105617 patent/CN1615052A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785360B (en) * | 2007-09-03 | 2013-01-09 | 伊莱克斯家用产品股份有限公司 | A wave choke device for a microwave oven door |
| CN101890177A (en) * | 2009-05-19 | 2010-11-24 | 博西华电器（江苏）有限公司 | Household appliance with a front-side frame |
| CN103604143A (en) * | 2013-11-20 | 2014-02-26 | 广东威特真空电子制造有限公司 | Double-frequency microwave oven door and double-frequency microwave oven |
| CN103604143B (en) * | 2013-11-20 | 2015-10-14 | 广东威特真空电子制造有限公司 | Bifrequency door of microwave oven and bifrequency micro-wave oven |
| CN108886845A (en) * | 2016-03-25 | 2018-11-23 | 松下知识产权经营株式会社 | Thermatron |
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