CN203501250U - Door frame assembly for microwave oven, oven door assembly provided with door frame assembly and microwave oven - Google Patents
Door frame assembly for microwave oven, oven door assembly provided with door frame assembly and microwave oven Download PDFInfo
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- CN203501250U CN203501250U CN201320583132.2U CN201320583132U CN203501250U CN 203501250 U CN203501250 U CN 203501250U CN 201320583132 U CN201320583132 U CN 201320583132U CN 203501250 U CN203501250 U CN 203501250U
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Abstract
The utility model discloses a door frame assembly for a microwave oven, an oven door assembly provided with the door frame assembly and a microwave oven. The door frame assembly comprises a door frame and a choke structure, wherein the choke structure is arranged on the periphery of the door frame, the choke structure comprises an extension plate and a choke plate, the extension plate extends outwards from the lower surface of the door frame, the choke plate comprises a first plate, a second plate and a third plate, the first plate extends upwards from the outer peripheral edge of the extension plate, the second plate is connected with the first plate and extends towards the door frame, the third plate is connected with the second plate and extends downwards, and a co-choke groove is limited among the extension plate, the choke plate and the outer circumferential surface of the door frame. According to the door frame assembly disclosed by the utility model, the third plate is arranged to reduce wave leakage of the microwave oven, and the door frame assembly has a better choke effect, thereby effectively avoiding microwaves of leaking from the microwave oven so as to improve the safety performance of the microwave oven.
Description
Technical field
The utility model relates to Microwave IC field, especially relates to a kind of doorframe assembly for micro-wave oven and has its fire door assembly, micro-wave oven.
Background technology
There is leaky wave hidden danger in traditional micro-wave oven.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, an object of the present utility model is to propose a kind of doorframe assembly for micro-wave oven, and the described doorframe assembly for micro-wave oven can effectively reduce the leaky wave of micro-wave oven.
Another object of the present utility model is to propose a kind of fire door assembly with above-mentioned doorframe assembly.
Another object of the present utility model is to propose a kind of micro-wave oven with above-mentioned fire door assembly.
The doorframe assembly for micro-wave oven according to the utility model first aspect, comprising: doorframe; And choke structure, described choke structure is located in the periphery of described doorframe, and described choke structure comprises: extension board, described extension board stretches out from the lower surface of described doorframe; And intercepter, described intercepter comprises the first plate, the second plate and the 3rd plate, described the first plate extends upward from the neighboring of described extension board, described the second plate is connected with described the first plate and extends towards described doorframe, described the 3rd plate is connected with described the second plate and to downward-extension, between described extension board, described intercepter and the outer surface of described doorframe, limits choke groove.
According to the doorframe assembly for micro-wave oven of the utility model first aspect, by the 3rd plate is set, can reduce micro-wave oven leaky wave, and doorframe assembly has good chokes effect, thereby effectively avoided microwave leakage outside micro-wave oven, and then promoted the security performance of micro-wave oven.In addition, doorframe assembly simple in structure, and convenient processing.
Preferably, on the cross section of described choke structure, the length sum of described extension board, described the first plate, described the second plate, described the 3rd plate and described doorframe is roughly 1/4th the even-multiple of microwave wavelength λ in described micro-wave oven.
Alternatively, described the first plate is vertical with described the second plate.Thus, can realize better contact between doorframe assembly and the body of heater of micro-wave oven, and can be so that doorframe assembly has better chokes effect.
Alternatively, described the 3rd plate is vertical with described the second plate.
Further, on the cross section of described choke structure, the length of described the 3rd plate is L3, and described L3 is configured to: L3=λ/27, wherein, λ is the microwave wavelength in described micro-wave oven.
Further, on the cross section of described choke structure, the length of described the second plate is L2, and the length of the outer surface of described doorframe is L5, and L2 and L5 are configured to: L2+L5=λ/4, wherein, λ is the microwave wavelength in described micro-wave oven.
Again further, on the cross section of described choke structure, the length of described the first plate is L1, and the length of described extension board is L4, and L1 and L4 are configured to: L1+L4=λ/4, wherein, λ is the microwave wavelength in described micro-wave oven.
Alternatively, rounding off between described extension board and the outer surface of described doorframe.
The fire door assembly for micro-wave oven according to the utility model second aspect, comprising: housing, and the rear side of described housing opens wide; According to the doorframe assembly for micro-wave oven of the above-mentioned first aspect of the utility model, described doorframe assembly is removably located in described housing; And cover plate, described cover plate is removably located at the rear side of described doorframe assembly to cover described choke structure.
According to the fire door assembly for micro-wave oven of the utility model second aspect, by the doorframe assembly of above-mentioned first aspect is set, there is good chokes effect.
Micro-wave oven according to the utility model third aspect, comprising: body of heater, and the front side of described body of heater is opened wide; With according to the fire door assembly for micro-wave oven of the above-mentioned second aspect of the utility model, described fire door assembly is located on described body of heater pivotly to open or close described body of heater.
According to the micro-wave oven of the utility model third aspect, by the fire door assembly of above-mentioned second aspect is set, can effectively prevents microwave leakage in micro-wave oven out, thereby human body is worked the mischief.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the stereogram of the doorframe assembly of the utility model embodiment;
Fig. 2 is the profile of the choke structure of the doorframe assembly shown in Fig. 1;
Fig. 3 is the partial schematic diagram of the doorframe assembly shown in Fig. 1.
Reference numeral:
100: doorframe assembly;
1: doorframe; 11: contact site; 111: the outer surface of doorframe;
2: choke structure; 21: extension board;
221: the first plates; 222: the second plates; 223: the three plates;
23: breach.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1-Fig. 3, describe according to the doorframe assembly 100 for micro-wave oven of the utility model first aspect embodiment.
As shown in Figure 1, the doorframe assembly 100 for micro-wave oven according to the utility model first aspect embodiment, comprising: doorframe 1 and choke structure 2, wherein choke structure 2 is located in the periphery of doorframe 1.
For example, in the example of Fig. 1, doorframe 1 is roughly rectangle, and the week that choke structure 2 is connected to doorframe 1 makes progress.Alternatively, choke structure 2 and doorframe 1 are one-body molded.
With reference to Fig. 1 and Fig. 3, choke structure 2 comprises: extension board 21 and intercepter, extension board 21 stretches out from the lower surface of doorframe 1, intercepter comprises the first plate 221, the second plate 222 and the 3rd plate 223, the first plate 221 extends upward from the neighboring of extension board 21, the second plate 222 is connected with the first plate 221, and the second plate 222 extends towards doorframe 1, the 3rd plate 223 is connected with the second plate 222, and the 3rd plate 223, to downward-extension, limits choke groove between the outer surface 111 of extension board 21, intercepter and doorframe 1.
For example, in the example of Fig. 1 and Fig. 3, extension board 21 horizontally outward extends from the lower end of the periphery wall of doorframe 1, one end of the first plate 221 (example is lower end as shown in Figure 2) is connected with the free end (example is outer end as shown in Figure 2) of extension board 21, the other end (example is upper end as shown in Figure 2) extends straight up, now the first plate 221 can be vertical with extension board 21, one end of the second plate 222 (example is outer end as shown in Figure 2) is connected with the free end (example is upper end as shown in Figure 2) of the first plate 221, the other end (example is inner as shown in Figure 2) extends towards the direction at doorframe 1 center, one end of the 3rd plate 223 (example is upper end as shown in Figure 2) is connected with the free end (example is inner as shown in Figure 2) of the second plate 222, the other end is to downward-extension, certain distance is spaced from each other between the 3rd plate 223 and the periphery wall of doorframe 1, the outer surface 111 of doorframe 1 like this, between extension board 21 and intercepter, jointly limit the choke groove for shield microwaves.Alternatively, the 3rd plate 223 can be formed by the second plate 222 bendings.Here, it should be noted that, direction " outward " can be understood as the direction away from doorframe 1 center, and its rightabout is defined as " interior ", towards the direction at doorframe 1 center.
Further, intercepter is provided with and goes up along its length isolated a plurality of breach 23, and breach 23 runs through the 3rd plate 223 and the second plate 222, and the junction of running through a part for the first plate 221 and ending at contiguous the first plate 221 and extension board 21.For example, in the example of Fig. 1 and Fig. 3, a plurality of breach 23 are formed uniformly on intercepter, now a plurality of breach 23 are divided into a plurality of chokes portion by intercepter, breach 23 runs through the 3rd plate 223 and the second plate 222 completely, and run through the first plate 221 a part and and extension board 21 between keep certain distance, thus, can realize micro-wave screening effect good in wider frequency band range.
According to the doorframe assembly 100 for micro-wave oven of the utility model first aspect embodiment, by the 3rd plate 223 is set, can reduce micro-wave oven leaky wave, and doorframe assembly 100 has good chokes effect, thereby effectively avoided microwave leakage outside micro-wave oven, and then promoted the security performance of micro-wave oven.In addition, doorframe assembly 100 simple in structure, and convenient processing.
In an embodiment of the present utility model, on the cross section of choke structure 2, the length sum of extension board 21, the first plate 221, the second plate 222, the 3rd plate 223 and doorframe 1 is roughly 1/4th the even-multiple of microwave wavelength λ in micro-wave oven.
That is to say, with reference to Fig. 2 and Fig. 3, on the cross section of choke structure 2, length, extension board 21 length, first plate 221 length, second plate 222 length, three plate 223 length on above-below direction on inward-outward direction on above-below direction on inward-outward direction of the periphery wall of doorframe 1 on above-below direction, these five length sums are roughly 1/4th the even-multiple of microwave wavelength λ in micro-wave oven.
It will be appreciated that, " extension board 21, the first plate 221, the second plate 222, the length sum of the 3rd plate 223 and doorframe 1 is roughly 1/4th the even-multiple of microwave wavelength λ in micro-wave oven " can be understood as extension board 21, the first plate 221, the second plate 222, the length sum of the 3rd plate 223 and doorframe 1 is equal to 1/4th the even-multiple of microwave wavelength λ in micro-wave oven, or extension board 21, the first plate 221, the second plate 222, the difference of 1/4th the even-multiple of the length sum of the 3rd plate 223 and doorframe 1 and the microwave wavelength λ in micro-wave oven is within the scope of very little one.
According to transmission line theory, the length sum of extension board 21, the first plate 221, the second plate 222, the 3rd plate 223 and doorframe 1 is about 1/4th the even-multiple of microwave wavelength λ in micro-wave oven, open circuit is realized in the body of heater header board contact position of the fire door assembly of micro-wave oven and micro-wave oven, according to the doorframe assembly 100 of the utility model embodiment, the sliding door leaky wave of micro-wave oven can be reduced to 0.26W(watt like this) following, load leaky wave is reduced to below 0.18W, thereby can better meets actual requirement.
Alternatively, the first plate 221 is vertical with the second plate 222.For example, in the example of Fig. 2, the angle between the first plate 221 and the second plate 222 is 90 °, further, round-corner transition between the first plate 221 and the second plate 222, now the size of fillet can design according to actual doorframe assembly 100 structures.Thus, can realize better contact between doorframe assembly 100 and the body of heater of micro-wave oven, and can be so that doorframe assembly 100 has better chokes effect.
Alternatively, the 3rd plate 223 is vertical with the second plate 222.For example, in the example of Fig. 2, the angle between the 3rd plate 223 and the second plate 222 is 90 °, further, round-corner transition between the 3rd plate 223 and the second plate 222, now the size of fillet can design according to actual doorframe assembly 100 structures.
Further, on the cross section of choke structure 2, the length of the 3rd plate 223 is L3, and L3 is configured to:
L3=λ/27
Wherein, λ is the microwave wavelength in micro-wave oven.
For example, in the example of Fig. 2 and Fig. 3, on the cross section of choke structure 2, the length L 3 of the 3rd plate 223 on above-below direction is roughly λ/27, and now λ is the microwave wavelength in micro-wave oven.Here, it should be noted that, " L3 is roughly λ/27 " can be understood as the length L 3 of the 3rd plate 223 on above-below direction and is equal to λ/27, or the length L 3 of the 3rd plate 223 on above-below direction and the difference between λ/27 are within the scope of very little one.
Further, on the cross section of choke structure 2, the length of the second plate 222 is L2, and the length of the outer surface 111 of doorframe 1 is L5, and L2 and L5 are configured to:
L2+L5=λ/4
Wherein, λ is the microwave wavelength in micro-wave oven.
For example, in the example of Fig. 2 and Fig. 3, on the cross section of choke structure 2, the length of the second plate 222 in inward-outward direction is L2, and the length of the outer surface 111 of doorframe 1 on above-below direction is L5, and the length sum L2+L5 of the outer surface 111 of the second plate 222 and doorframe 1 is roughly λ/4.Alternatively, the length L 5 of the outer surface 111 of doorframe 1 can be greater than the length L 2 of the second plate 222.Here, it should be noted that, the length sum L2+L5 that " L2+L5 is roughly λ/4 " can be understood as the outer surface 111 of the second plate 222 and doorframe 1 is equal to λ/4, or the length sum L2+L5 of the outer surface 111 of the second plate 222 and doorframe 1 and the difference between λ/4 are within the scope of very little one.It will be appreciated that, the concrete numerical value of the length L 5 of the length L 2 of the second plate 222, the outer surface 111 of doorframe 1 can be according to actual requirement setting, to meet better actual requirement.
Again further, on the cross section of choke structure 2, the length of the first plate 221 is L1, and the length of extension board 21 is L4, and L1 and L4 are configured to:
L1+L4=λ/4
Wherein, λ is the microwave wavelength in micro-wave oven.
For example, in the example of Fig. 2 and Fig. 3, on the cross section of choke structure 2, the length of the first plate 221 on above-below direction is L1, and the length of extension board 21 in inward-outward direction is L4, and the length sum L1+L4 of the first plate 221 and extension board 21 is roughly λ/4.Alternatively, the length L 1 of the first plate 221 can be greater than the length L 4 of extension board 21.Here, it should be noted that, the length sum L1+L4 that " L1+L4 is roughly λ/4 " can be understood as the first plate 221 and extension board 21 is equal to λ/4, or the length sum L1+L4 of the first plate 221 and extension board 21 and the difference between λ/4 are within the scope of very little one.It will be appreciated that, the concrete numerical value of the length L 1 of the first plate 221, the length L 4 of extension board 21 can be according to actual requirement setting, to meet better actual requirement.
Alternatively, rounding off between extension board 21 and the outer surface 111 of doorframe 1.For example between extension board 21 and the outer surface 111 of doorframe 1, can pass through fillet smooth transition, as shown in Figures 2 and 3, now the size of fillet can design according to actual doorframe assembly 100 structures.
According to the fire door assembly for micro-wave oven of the utility model second aspect embodiment (scheming not shown), comprise housing, cover plate and according to the doorframe assembly 100 for micro-wave oven of the above-mentioned first aspect embodiment of the utility model.
The rear side of housing opens wide.In one of them example of the present utility model, the rear side of housing opens wide, the central authorities of housing can be formed with the first opening running through along fore-and-aft direction, the first opening part can be provided with clear glass part, on doorframe 1, the position of corresponding the first opening can be formed with the second opening, the second opening part can be provided with narrow meshed plate, and user sees through the clear glass part of housing central authorities and the cooking status that the plate on doorframe 1 can run through food in micro-wave oven.
Doorframe assembly 100 is removably located in housing.For example, in the example of Fig. 1, the upper surface of doorframe 1 is provided with annular contact site 11, and contact site 11 can coaxially arrange with the second opening, and contact site 11 is for fitting with the header board that is positioned at the body of heater front side of micro-wave oven, thereby prevents the microwave leakage in micro-wave oven.
Cover plate is removably located at the rear side of doorframe assembly 100 to cover choke structure 2.In one of them example of the present utility model, on the front surface of cover plate, can be provided with along its periphery to what be recessed into and hold limit groove (scheming not shown), when cover plate and doorframe assembly 100 coordinate, choke structure 2 can be contained in and hold in the groove of limit.
According to the fire door assembly for micro-wave oven of the utility model second aspect embodiment, by the doorframe assembly 100 of above-mentioned first aspect embodiment is set, there is good chokes effect.
According to the micro-wave oven of the utility model third aspect embodiment (scheming not shown), comprise body of heater and according to the fire door assembly for micro-wave oven of the above-mentioned second aspect embodiment of the utility model.Wherein the front side of body of heater is opened wide, and fire door assembly is located on body of heater pivotly to open or close body of heater.
For example, in an example of the present utility model, the front side of body of heater is opened wide, and fire door assembly is located at the front side of body of heater, and fire door assembly and body of heater limit chamber jointly, in chamber, can place the food for the treatment of microwave.
According to the micro-wave oven of the utility model third aspect embodiment, by the fire door assembly of above-mentioned second aspect embodiment is set, can effectively prevents microwave leakage in micro-wave oven out, thereby human body is worked the mischief.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. for a doorframe assembly for micro-wave oven, it is characterized in that, comprising:
Doorframe; With
Choke structure, described choke structure is located in the periphery of described doorframe, and described choke structure comprises:
Extension board, described extension board stretches out from the lower surface of described doorframe; With
Intercepter, described intercepter comprises the first plate, the second plate and the 3rd plate, and described the first plate extends upward from the neighboring of described extension board, and described the second plate is connected with described the first plate and extends towards described doorframe, described the 3rd plate is connected with described the second plate and to downward-extension
Between described extension board, described intercepter and the outer surface of described doorframe, limit choke groove.
2. the doorframe assembly for micro-wave oven according to claim 1, it is characterized in that, on the cross section of described choke structure, the length sum of described extension board, described the first plate, described the second plate, described the 3rd plate and described doorframe is roughly 1/4th the even-multiple of microwave wavelength λ in described micro-wave oven.
3. the doorframe assembly for micro-wave oven according to claim 1, is characterized in that, described the first plate is vertical with described the second plate.
4. the doorframe assembly for micro-wave oven according to claim 1, is characterized in that, described the 3rd plate is vertical with described the second plate.
5. the doorframe assembly for micro-wave oven according to claim 4, is characterized in that, on the cross section of described choke structure, the length of described the 3rd plate is L3, and described L3 is configured to:
L3=λ/27
Wherein, λ is the microwave wavelength in described micro-wave oven.
6. the doorframe assembly for micro-wave oven according to claim 5, is characterized in that, on the cross section of described choke structure, the length of described the second plate is L2, and the length of the outer surface of described doorframe is L5, and L2 and L5 are configured to:
L2+L5=λ/4
Wherein, λ is the microwave wavelength in described micro-wave oven.
7. the doorframe assembly for micro-wave oven according to claim 6, is characterized in that, on the cross section of described choke structure, the length of described the first plate is L1, and the length of described extension board is L4, and L1 and L4 are configured to:
L1+L4=λ/4
Wherein, λ is the microwave wavelength in described micro-wave oven.
8. according to the doorframe assembly for micro-wave oven described in any one in claim 1-7, it is characterized in that rounding off between described extension board and the outer surface of described doorframe.
9. for a fire door assembly for micro-wave oven, it is characterized in that, comprising:
Housing, the rear side of described housing opens wide;
According to the doorframe assembly for micro-wave oven described in any one in claim 1-8, described doorframe assembly is removably located in described housing; And
Cover plate, described cover plate is removably located at the rear side of described doorframe assembly to cover described choke structure.
10. a micro-wave oven, is characterized in that, comprising:
Body of heater, the front side of described body of heater is opened wide; With
Fire door assembly for micro-wave oven according to claim 9, described fire door assembly is located on described body of heater pivotly to open or close described body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583132.2U CN203501250U (en) | 2013-09-18 | 2013-09-18 | Door frame assembly for microwave oven, oven door assembly provided with door frame assembly and microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583132.2U CN203501250U (en) | 2013-09-18 | 2013-09-18 | Door frame assembly for microwave oven, oven door assembly provided with door frame assembly and microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203501250U true CN203501250U (en) | 2014-03-26 |
Family
ID=50332226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320583132.2U Withdrawn - After Issue CN203501250U (en) | 2013-09-18 | 2013-09-18 | Door frame assembly for microwave oven, oven door assembly provided with door frame assembly and microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203501250U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127655A1 (en) * | 2015-02-13 | 2016-08-18 | 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 |
| CN104456661B (en) * | 2013-09-18 | 2018-07-13 | 广东美的厨房电器制造有限公司 | Frame members for micro-wave oven and fire door component, micro-wave oven with it |
-
2013
- 2013-09-18 CN CN201320583132.2U patent/CN203501250U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456661B (en) * | 2013-09-18 | 2018-07-13 | 广东美的厨房电器制造有限公司 | Frame members for micro-wave oven and fire door component, micro-wave oven with it |
| WO2016127655A1 (en) * | 2015-02-13 | 2016-08-18 | 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 |
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