CN203088799U - Oven door of oven and oven - Google Patents
Oven door of oven and oven Download PDFInfo
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- CN203088799U CN203088799U CN 201220645217 CN201220645217U CN203088799U CN 203088799 U CN203088799 U CN 203088799U CN 201220645217 CN201220645217 CN 201220645217 CN 201220645217 U CN201220645217 U CN 201220645217U CN 203088799 U CN203088799 U CN 203088799U
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- door
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Abstract
The utility model discloses an oven door of an oven and the oven. The oven door comprises a doorframe, a glass first door panel and a glass second door panel. The first door panel and the second door panel are arranged on the doorframe in sequence from inside to outside, and a first gap exists between the first door panel and the second door panel so as to form an air thermal insulation layer. The oven door of the oven also comprises a transparent third door panel arranged on the doorframe at the outer side of the second door panel, and moreover, a second gap exists between the third door panel and the second door panel so as to form an air thermal insulation layer; the doorframe is provided with one or more than one first ventilation slot communicated with the first gap; and the doorframe or the third door panel is provided with one or more than one second ventilation slot communicated with the second gap. According to the oven door of the oven disclosed by the utility model, as such a structure is adopted, the surface temperature of the oven door is effectively lowered to prevent the harm of scalding, and the requirements of an EN60335-2-9A13 instruction and an EK1 instruction on the surface temperature rise of the oven door are met. Meanwhile, the heat loss can be remarkably reduced, and the goal of energy saving is achieved.
Description
Technical field
The utility model relates to kitchen utensils, the baking box that particularly relates to a kind of chamber door of baking box and have this chamber door.
Background technology
The chamber door of conventional oven mainly is made up of transparent toughened glass, metal edge frame and a handle, and the glass door surface temperature is usually up to more than 140 ℃, if the careless touching of user is easy to scald during the baking box baking food.Several years ago issued the EN60335-2-9A12 instruction, the baking box glass door surface temperature in European Union's market sale after in October, 2010 can not surpass 110 ℃, and in order to reach this requirement, the chamber door of these baking boxs has generally adopted double glazing.But issued the EN60335-2-9A13 instruction soon again, further reduced the allowable temperature on the chamber door surface of baking box, adopted double-layer glass structure can't meet this requirement.
Summary of the invention
At above-mentioned prior art present situation, technical problem to be solved in the utility model is, a kind of chamber door of baking box of good heat-insulation effect is provided, and to reduce the temperature on chamber door surface, reduces heat and scatters and disappears energy savings.
Another technical problem to be solved in the utility model is, a kind of baking box that uses above-mentioned chamber door is provided.
In order to solve the problems of the technologies described above, the chamber door of a kind of baking box provided by the utility model, comprise doorframe, glass first door-plate and glass second door-plate, described first door-plate and described second door-plate are installed on the described doorframe along order from the inside to the outside, and first gap is arranged between the two to form air heat-insulation layer, the chamber door of described baking box also comprises transparent the 3rd door-plate on the described doorframe that is installed on described second door-plate outside, and second gap is arranged between the 3rd door-plate and described second door-plate to form air heat-insulation layer, described doorframe is provided with one or more first ventilating grooves that are connected with described first gap, on the described doorframe or described the 3rd door-plate be provided with one or more second ventilating grooves that are connected with described second gap.
Among embodiment, described the 3rd door-plate adopts plastic cement to make therein.
Therein among embodiment, described doorframe comprises interior doorframe and the exterior door frame that is connected, doorframe is positioned at the inboard of described exterior door frame in described, and described first door-plate is installed on the described interior doorframe, and described second door-plate and described the 3rd door-plate are installed on the described exterior door frame.
Therein among embodiment, described exterior door frame comprises framework, the inner ring that extends to form to the inside of the inward flange of this framework and the outer ring that extends to form to the inside of the outward flange of this framework certainly certainly, described second door-plate and described the 3rd door-plate are installed on respectively on the back step and front step of described inner ring, and described second ventilating groove is along circumferentially being arranged at intervals on the edge of described the 3rd door-plate.
Therein among embodiment, be provided with thermal insulation board between described inner ring and the described outer ring, this thermal insulation board and described inner ring, described outer ring and described framework surround annular compartment, and described framework is provided with one or more the 3rd ventilating grooves that are connected with this annular compartment.
Among embodiment, the top of described outer ring has horizontal component and sloping portion therein, and described horizontal component is provided with described first ventilating groove, and described sloping portion is provided with described the 3rd ventilating groove.
Therein among embodiment, described in doorframe adopt metal material to make, described exterior door frame adopts plastic material to make.
Therein among embodiment, be provided with heat insulating mattress between the top of the top margin of doorframe and side and the described outer ring in described.
A kind of baking box provided by the utility model comprises casing and chamber door, and described casing comprises heat shield with baking chamber and the shell that is arranged at this heat shield outside, and described chamber door is above-mentioned chamber door.
Therein among embodiment, the medial surface of the top board of described heat shield is provided with first thermal insulation layer, be filled with first heat-barrier material in this first thermal insulation layer, the medial surface of the top board of described shell is provided with second thermal insulation layer, be filled with second heat-barrier material in this second thermal insulation layer, and gapped between the top board of this second thermal insulation layer and described heat shield to form air heat-insulation layer.
Compared with prior art, the chamber door of baking box provided by the utility model, because the transparent window of chamber door partly has three layers of door-plate, gapped between the adjacent two layers door-plate to form air heat-insulation layer, reach heat insulation purpose, and, because doorframe is provided with the ventilating groove that is connected with the gap, during oven heat, move up after the air in the gap is heated and be discharged to the air from the ventilating groove on top, outside cold air then constantly adds to the gap from the ventilating groove of bottom, thereby form circulating of air, therefore, the heat in the gap constantly is pulled away, and avoids outer door-plate temperature to raise fast, and make it to remain on lower temperature, thereby reduced the chamber door surface temperature effectively, prevented the harm of scalding, satisfied EN60335-2-9A13 instruction and EK1 instruction the requirement of oven door surface temperature rise; Simultaneously the heat-insulation and heat-preservation measure can significantly reduce heat and scatters and disappears effectively, has improved the thermal efficiency, reaches energy-conservation purpose.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the chamber door of the baking box among one of them embodiment of the utility model;
Fig. 2 is the decomposition texture schematic diagram of the chamber door among Fig. 1;
Fig. 3 is the sectional structure schematic diagram of the chamber door among Fig. 1;
Fig. 4 is the three-dimensional cut-away illustration of baking box with chamber door of Fig. 1;
Fig. 5 is the sectional perspective cut-away illustration of the another location of the baking box among Fig. 4.
More than among each figure, 100-casing, 110-shell, the 111-sheath top plate, 112-shell bottom plate, 114-shell right plate, 115-shell backboard, 120-heat shield, 121-heat shield top board, 122-heat shield base plate, 123-heat shield left plate, 124-heat shield right plate, 125-heat shield backboard, 130-first thermal insulation layer, 140-second thermal insulation layer, 150-the 3rd thermal insulation layer, 160-air heat-insulation layer, 170-silica gel sealing bar, frame before the 180-plastic cement connecting plate, 190-, the 200-chamber door, the 210-door handle, 220-exterior door frame, 221-framework, the 222-inner ring, 223-outer ring, 223a-first ventilating groove, 223b-second ventilating groove, 230-the 3rd door-plate, 231-the 3rd ventilating groove, the 240-thermal insulation board, 250-second door-plate, 260-first door-plate, doorframe in the 270-heat insulating mattress, 280-, 291-first gap, 292-second gap, the 293-annular compartment, the 300-heater element, 400-toasts the chamber.
The specific embodiment
Also in conjunction with the embodiments the utility model is elaborated below with reference to accompanying drawing.Need to prove, under the situation of not conflicting, below feature among each embodiment and the embodiment can make up mutually.
As Fig. 1, Fig. 2 and shown in Figure 3, the chamber door 200 of the baking box among one of them embodiment of the utility model comprises door handle 210, doorframe, glass first door-plate 260, glass second door-plate 250 and plastic cement the 3rd door-plate 230, wherein, door handle 210 is installed on the front of doorframe, first door-plate 260, second door-plate 250 and the 3rd door-plate 230 are installed on the doorframe along order from the inside to the outside, first gap 291 is arranged to form air heat-insulation layer between first door-plate 260 and second door-plate 250, second gap is arranged to form air heat-insulation layer between second door-plate 250 and described the 3rd door-plate 230, doorframe is provided with the first ventilating groove 223a that is connected with first gap 291, and the 3rd door-plate 230 is provided with the second ventilating groove 223b that is connected with second gap.Because the transparent window of chamber door partly has three layers of door-plate, gapped between the adjacent two layers door-plate to form air heat-insulation layer, reach heat insulation purpose, and, because doorframe is provided with the ventilating groove that is connected with the gap, during oven heat, move up after air in the gap is heated and be discharged to the air from the ventilating groove on top, outside cold air then constantly adds to the gap from the ventilating groove of bottom, thereby form circulating of air, therefore, the heat in the gap constantly is pulled away, and avoids outer door-plate temperature to raise fast, and make it to remain on lower temperature, thereby reduced chamber door surface temperature (can be reduced to below 80 ℃) effectively, prevented the harm of scalding, satisfied EN60335-2-9A13 instruction and EK1 instruction the requirement of oven door surface temperature rise according to test.
Preferably, the doorframe in the present embodiment comprises interior doorframe 280 and the exterior door frame 220 that is connected, and interior doorframe 280 is positioned at the inboard of exterior door frame 220, and on the doorframe 280, second door-plate 250 and the 3rd door-plate 230 were installed on the exterior door frame 220 in first door-plate 260 was installed on.Further, described exterior door frame 220 comprises framework 221, the inner ring 222 that extends to form to the inside of the inward flange of this framework 221 and the outer ring 223 that extends to form to the inside of the outward flange of this framework 221 certainly certainly, described second door-plate 250 and described the 3rd door-plate 230 are installed on respectively on the back step and front step of described inner ring 222, and the described second ventilating groove 223b is along circumferentially being arranged at intervals on the edge of described the 3rd door-plate 230.Further, be provided with thermal insulation board 240 between described inner ring 222 and the described outer ring 223, this thermal insulation board 240 surrounds annular compartment 293 with described inner ring 222, described outer ring 223 and described framework 221, and described framework 221 is provided with one or more the 3rd ventilating grooves 231 that are connected with this annular compartment 293.Like this, by of the heat transmission of annular compartment 293 blocking-up first gap 291, stop heats in first gap 291 to be passed to the surface of exterior door frame 220, simultaneously with exterior door frame 220, the 3rd ventilating groove 231 helps reducing the temperature in the annular compartment 293, further reduces the surface temperature of exterior door frame 220.Further, the top of described outer ring 223 has horizontal component and sloping portion, and described horizontal component is provided with the described first ventilating groove 223a, and described sloping portion is provided with described the 3rd ventilating groove 231.
Preferably, described interior doorframe 280 adopts metal materials to make, and described exterior door frame 220 adopts plastic materials to make.Further, be provided with heat insulating mattress 270 between the top of the top margin of described interior doorframe 280 and side and the described outer ring 223.By the heat transmission of doorframe 280 and exterior door frame 220 in heat insulating mattress 270 blocking-up, further reduce the surface temperature of exterior door frame 220.
Among another embodiment of the utility model, a kind of baking box with the chamber door 200 in the foregoing description is provided, as shown in Figure 4, casing 100 comprises heat shield 120 with baking chamber 400 and the shell 110 that is arranged at these heat shield 120 outsides, is provided with heater element 300 in the top and the bottom in baking chamber 400.Because the top in baking chamber 400 is provided with heater element 300; and hot-air moves upward during baking; make that the temperature at baking box top is higher; and the baking box top is the place that the consumer touches easily; therefore three layers of thermal insulation layer protection are adopted at the top of the baking box among the utility model embodiment; promptly be arranged at first thermal insulation layer 130 on the medial surface of heat shield 120 top boards 121; be arranged at the air heat-insulation layer 160 that forms between second thermal insulation layer 140 on the medial surface of shell 110 top boards 111 and second thermal insulation layer 140 and heat shield 120 top boards 121; be filled with first heat-barrier material in first thermal insulation layer 130; be filled with second heat-barrier material in second thermal insulation layer 140; hull-skin temperature (can be reduced to below 80 ℃) by three layers of thermal insulation layer protection the reduction significantly baking box top according to test; satisfied the EN60335-2-9A13 command request; simultaneously the heat-insulation and heat-preservation measure can significantly reduce heat and scatters and disappears effectively; improve the thermal efficiency, reached energy-conservation purpose.
Preferably, the thermal conductivity factor of described first heat-barrier material is less than the thermal conductivity factor of described second heat-barrier material, and the thickness of described first thermal insulation layer 130 is less than the thickness of described second thermal insulation layer 140.Further, described first heat-barrier material and described second heat-barrier material are heat insulation foam.Because first thermal insulation layer 130 is near heater element 300, therefore the heat-barrier material in first thermal insulation layer 130 adopts good heat resistance, heat-barrier material that thermal conductivity factor is low, second thermal insulation layer 140 then adopts the higher a little heat-barrier material of thermal conductivity factor, increase its thickness simultaneously, save manufacturing cost like this.
Preferably, the medial surface top of the left plate of described shell 110 and right plate 114 is provided with between the left plate 123 of the 3rd thermal insulation layer 150, the three thermal insulation layers 150 and described heat shield 120 and the right plate 124 gapped to form air heat-insulation layer 160.Further, described the 3rd thermal insulation layer 150 is connected as a single entity with described second thermal insulation layer 140.Because the temperature on top, baking box side is higher; therefore top, baking box side has two-layer thermal insulation layer; the i.e. air heat-insulation layer 160 that forms of the left plate 123 and the right plate 124 of the 3rd thermal insulation layer 150 and the 3rd thermal insulation layer 150 and heat shield 120; by two-layer thermal insulation protection; can significantly reduce the surface temperature on top, baking box side, satisfy the EN60335-2-9A13 command request, simultaneously the heat-insulation and heat-preservation measure can significantly reduce heat and scatters and disappears effectively; improve the thermal efficiency, reached energy-conservation purpose.
Preferably, gapped between the backboard 125 of the backboard 115 of described shell 110 and described heat shield 120 to form air heat-insulation layer 160; Gapped between the base plate 112 of described shell 110 and the base plate 122 of described heat shield 120 to form air heat-insulation layer 160.Because the temperature of baking box back and bottom is low than other place, and is not easy to be touched, so baking box back and bottom are heat insulation by one deck thermal insulation layer.
As shown in Figure 5, described casing 100 also comprises the preceding frame 190 between the peristome of the peristome that is arranged at described shell 110 and described heat shield 120, and the peristome of described heat shield 120 and described before be provided with silica gel sealing bar 170 between the frame 190.Further, be provided with plastic cement connecting plate 180 between the top of described shell 110 peristomes and sidepiece and the described preceding frame 190.By of the heat transmission of silica gel sealing bar 170 blocking-up heat shields 120, by of the heat transmission of plastic cement connecting plate 180 blocking-up shells 110, with the surface temperature of frame 190 before reducing with preceding frame 190 with preceding frame 190.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. the chamber door of a baking box, comprise doorframe, glass first door-plate and glass second door-plate, described first door-plate and described second door-plate are installed on the described doorframe along order from the inside to the outside, and first gap is arranged between the two to form air heat-insulation layer, it is characterized in that, the chamber door of described baking box also comprises transparent the 3rd door-plate on the described doorframe that is installed on described second door-plate outside, and second gap is arranged between the 3rd door-plate and described second door-plate to form air heat-insulation layer, described doorframe is provided with one or more first ventilating grooves that are connected with described first gap, on the described doorframe or described the 3rd door-plate be provided with one or more second ventilating grooves that are connected with described second gap.
2. chamber door according to claim 1 is characterized in that, described the 3rd door-plate adopts plastic cement to make.
3. chamber door according to claim 1, it is characterized in that, described doorframe comprises interior doorframe and the exterior door frame that is connected, doorframe is positioned at the inboard of described exterior door frame in described, described first door-plate is installed on the described interior doorframe, and described second door-plate and described the 3rd door-plate are installed on the described exterior door frame.
4. chamber door according to claim 3, it is characterized in that, described exterior door frame comprises framework, the inner ring that extends to form to the inside of the inward flange of this framework and the outer ring that extends to form to the inside of the outward flange of this framework certainly certainly, described second door-plate and described the 3rd door-plate are installed on respectively on the back step and front step of described inner ring, and described second ventilating groove is along circumferentially being arranged at intervals on the edge of described the 3rd door-plate.
5. chamber door according to claim 4, it is characterized in that, be provided with thermal insulation board between described inner ring and the described outer ring, this thermal insulation board and described inner ring, described outer ring and described framework surround annular compartment, and described framework is provided with one or more the 3rd ventilating grooves that are connected with this annular compartment.
6. chamber door according to claim 5 is characterized in that the top of described outer ring has horizontal component and sloping portion, and described horizontal component is provided with described first ventilating groove, and described sloping portion is provided with described the 3rd ventilating groove.
7. according to any described chamber door in the claim 3 to 6, it is characterized in that described interior doorframe adopts metal material to make, described exterior door frame adopts plastic material to make.
8. chamber door according to claim 7 is characterized in that, is provided with heat insulating mattress between the top margin of described interior doorframe and the top of side and the described outer ring.
9. a baking box comprises casing and chamber door, and described casing comprises heat shield with baking chamber and the shell that is arranged at this heat shield outside, it is characterized in that described chamber door is as any described chamber door in the claim 1 to 8.
10. baking box according to claim 9, it is characterized in that, the medial surface of the top board of described heat shield is provided with first thermal insulation layer, be filled with first heat-barrier material in this first thermal insulation layer, the medial surface of the top board of described shell is provided with second thermal insulation layer, be filled with second heat-barrier material in this second thermal insulation layer, and gapped between the top board of this second thermal insulation layer and described heat shield to form air heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645217 CN203088799U (en) | 2012-11-28 | 2012-11-28 | Oven door of oven and oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645217 CN203088799U (en) | 2012-11-28 | 2012-11-28 | Oven door of oven and oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203088799U true CN203088799U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220645217 Expired - Fee Related CN203088799U (en) | 2012-11-28 | 2012-11-28 | Oven door of oven and oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203088799U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665616A (en) * | 2014-07-21 | 2015-06-03 | 广东美的厨房电器制造有限公司 | Oven |
| CN106618260A (en) * | 2017-02-27 | 2017-05-10 | 赵海航 | Thermal insulation structure used for oven |
| CN107126105A (en) * | 2017-05-19 | 2017-09-05 | 广东美的厨房电器制造有限公司 | Door body assembly and cooking appliance |
| CN109984630A (en) * | 2017-12-30 | 2019-07-09 | 宁波方太厨具有限公司 | A kind of oven |
-
2012
- 2012-11-28 CN CN 201220645217 patent/CN203088799U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665616A (en) * | 2014-07-21 | 2015-06-03 | 广东美的厨房电器制造有限公司 | Oven |
| CN104665616B (en) * | 2014-07-21 | 2017-11-14 | 广东美的厨房电器制造有限公司 | Baking box |
| CN106618260A (en) * | 2017-02-27 | 2017-05-10 | 赵海航 | Thermal insulation structure used for oven |
| CN106618260B (en) * | 2017-02-27 | 2023-08-25 | 赵海航 | Heat preservation structure for oven |
| CN107126105A (en) * | 2017-05-19 | 2017-09-05 | 广东美的厨房电器制造有限公司 | Door body assembly and cooking appliance |
| CN107126105B (en) * | 2017-05-19 | 2019-11-05 | 广东美的厨房电器制造有限公司 | Door body assembly and cooking appliance |
| CN109984630A (en) * | 2017-12-30 | 2019-07-09 | 宁波方太厨具有限公司 | A kind of oven |
| CN109984630B (en) * | 2017-12-30 | 2023-11-17 | 宁波方太厨具有限公司 | Oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 1308 Yannan Road, high tech Zone, Bengbu City, Anhui Province Patentee after: Anhui Dehao Runda Electric Co.,Ltd. Address before: 519000 Guangdong city of Zhuhai province tangjiewan Jinfeng Road No. 1 Patentee before: ELEC-TECH INTERNATIONAL Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 a plant Patentee after: ELEC-TECH ZHUHAI Co.,Ltd. Address before: 1308 Yannan Road, high tech Zone, Bengbu City, Anhui Province Patentee before: Anhui Dehao Runda Electric Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20211128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |