CN102200309B - Fire door of microwave baking box - Google Patents
Fire door of microwave baking box Download PDFInfo
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- CN102200309B CN102200309B CN201110028586A CN201110028586A CN102200309B CN 102200309 B CN102200309 B CN 102200309B CN 201110028586 A CN201110028586 A CN 201110028586A CN 201110028586 A CN201110028586 A CN 201110028586A CN 102200309 B CN102200309 B CN 102200309B
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- door
- arm
- fire door
- microwave oven
- leading
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Abstract
A fire door of a microwave baking box, which solves problem of easy leakage of microwave and steam, comprises an oven front plate equipped with a fire door opening, an oven base plate, a door housing arranged on the opening, an automatically reset system between the door housing and the oven body, wherein the automatically reset system includes a slide block assembly, a rotating shaft assembly and a hinge system. The fire door with a good seal effect can hold an extension spring and close automatically. The invention has a simple structure and technology, and is suitable for both microwave oven and microwave baking box. In addition, the fire door can avoid microwave leakage and steam leakage caused by deformation under high temperature, and is extensively applicable, safe and reliable.
Description
Technical field
The present invention relates to a kind of microwave oven fire door, especially when furnace chamber is in the condition of high temperature, can prevent a kind of microwave oven fire door of steam and microwave leakage effectively.
Background technology
At present, loaded down with trivial details, the complex process of known door of microwave oven and structure, and fire door deforms easily and causes microwave leakage to exceed standard when being in the condition of high temperature in the micro-wave oven furnace chamber with baking function, and human body is damaged.And present oven door more complicated, and, has certain limitation because of causing microwave leakage can not directly be used on the baking box of microwave function.
Summary of the invention
Thereby cause microwave leakage to exceed standard because of furnace chamber high temperature is easily deformable and the oven door can not directly be used to have the first-class drawback of baking box of heating using microwave function in order to solve current door of microwave oven; The present invention provides a kind of can be used for the door structure that micro-wave oven can be used for microwave oven again, can effectively prevent the leakage of microwave and steam.
The present invention solves the technical scheme that its technical problem takes: a kind of microwave oven fire door, it is characterized in that,
Comprise the body of heater header board and the body of heater base plate of L-shaped layout, on the body of heater header board, be provided with a fire door opening;
A body assembly, said door body assembly comprises door shell body and automatic reset system;
Said automatic reset system comprises slide block assembly, rotating assembly and hinged system:
Have gathering sill respectively in door shell body both sides, the slide block assembly that installation can be slided along the gathering sill above-below direction in the said gathering sill, and with the interior lining panel of slide block assembly corresponding position on stretch out first opening of a strip;
In bottom, door shell body both sides rotating assembly is installed respectively, described rotating assembly comprises that door pivot mounting blocks and door support, and with the interior lining panel of door pivot mounting blocks corresponding position on extend second opening of a strip laterally; Said door supports an end and is hinged on the door pivot mounting blocks, and door supports and passes the outer rear flank that second opening extends outwardly into interior lining panel, door support the other end be used for the body of heater header board on installation portion be fixedly connected;
Said hinged system comprises leads arm, directive wheel mechanism and extension spring; Said lead arm pass first opening at body of heater header board and interior lining panel middle part after an end be hinged on leading on the arm mounting blocks of slide block assembly; The said arm other end of leading is connected with extension spring; And the stage casing of leading arm is taken and is placed in the directive wheel mechanism, and it is inboard that said directive wheel mechanism is installed in the body of heater header board; One end of said extension spring with lead arm and be connected, the said extension spring other end fixedly picks up the ears to be connected with the extension spring on the base plate; When microwave oven is in when closing the door state, it is tight that the pretension of extension spring is closed fire door.
Further; Said door shell body is by shell, interior lining panel and the hollow-core construction that on interior lining panel, constitutes through the recessed closure plate that forms; In the groove that forms by closure plate and interior lining panel, lay radome, said radome and groove around form annular choke groove, in choke groove, place sealing strip.
Further, said radome is made up of a plane and four sides, and said radome is fastened on the closure plate, the face of wherein upper and lower two sides for tilting.
Further, said sealing strip is the rubber strip of trifid structure for the cross section that is made up of installation portion, suction ripple portion and sealing surface; Said installation portion mainly is to be used for sealing strip is installed and located between interior lining panel closure plate and radome; The suction ripple portion of said sealing strip can absorb a little microwave that leaks in choke groove; Said sealing surface is groove-like, and sealing surface exceeds the interior lining panel plane and forms projection, and its jut plays the effect of sealed steam when contacting with the body of heater header board.
Further, the said arm of leading is a sheet, leads arm one end and is useful on hinged circular hole, is called hinged end, leads the circular hole that the arm other end is useful on the circular hole that connects extension spring, is called the extension spring end; Protruding arcuate structure is down arranged at said bottom of leading the nearly hinged end of arm rest, and when fire door was closed, the arcuate structure of protrusion was stuck in the interior formation of the gathering sill self-locking of directive wheel, prevents that fire door is loosening.
Further, microswitch is installed, is provided with door handle in the outside of said door shell body at the said arm extension spring end of leading.
Further, saidly lead between arm and the interior lining panel side, and door supports and the interior lining panel side between all be provided with anti-wear gasket.
Further, described rotating assembly comprises door pivot mounting blocks, door support, oiliness bearing and door pivot, and said door pivot is fixed on the door pivot mounting blocks, and door supports an end and is hinged on the door pivot through oiliness bearing.
Further; Said slide block assembly by lead the arm rotating shaft, lead the arm mounting blocks, oiliness bearing and oiliness bearing cover, anti-wear gasket constitute; The said arm mounting blocks of leading is installed in the gathering sill; And between is provided with anti-wear gasket, leads the arm rotating shaft and is installed in and leads on the arm mounting blocks, and oiliness bearing and oiliness bearing cover are nested with is successively leading in the arm rotating shaft.
Further, said directive wheel mechanism comprises and leads arm directive wheel, guide wheel shaft, oiliness bearing, upper hinge support; Said upper hinge support is to be installed in the inboard support of body of heater header board, leads being installed on the upper hinge support after arm directive wheel and oiliness bearing are located in guide wheel shaft, leads to have on the arm directive wheel and lead the annular groove that arm cooperates.
The invention has the beneficial effects as follows: structure of the present invention and technology are simple, both can be used for micro-wave oven, can be used for microwave oven again, under the condition of high temperature, can not produce the leakage that causes microwave and steam because of distortion, and applicability is wide, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the partial structurtes sketch map;
Fig. 3 is an A--A cutaway view among Fig. 2;
Fig. 4 is a B--B cutaway view among Fig. 2;
Fig. 5 is a C place partial enlarged drawing among Fig. 4;
Fig. 6 is a door shell body structure sketch map;
Fig. 7 is the sealing strip sectional view;
Fig. 8 is for leading the wall construction sketch map;
Among the figure: 11 body of heater header boards, 111 installation portions, 12 body of heater base plates, 2 door shell bodies, 21 shells, 22 interior lining panels, 221 first openings; 222 second openings, 23 closure plates, 24 door handles, 25 gathering sills, 31 lead the arm rotating shaft, and 32 lead the arm mounting blocks, 33 anti-wear gaskets; 4 radomes, 41 choke grooves, 42 sealing strips, 421 installation portions, 422 inhale ripple portion, 423 sealing surfaces; 5 lead arm, 51 hinged ends, and 52 extension spring ends, 53 extension springs, 54 extension springs are fixedly picked up the ears, 55 arcuate structures; 61 directive wheels, 62 upper hinge supports, 7 rotating assemblies, 71 door pivot mounting blocks, 72 supports, 73 door pivots.
The specific embodiment
Like Fig. 1～shown in Figure 8, a kind of microwave oven fire door comprises that the body of heater header board 11 of L-shaped layout is fixed together with body of heater base plate 12, two plates, is the installation matrix of fire door, on the body of heater header board, is provided with a rectangular fire door opening.The fire door opening part of body of heater header board 11 is installed a slice door shell body 2, designs automatic reset system between door shell body 2 and body of heater header board and the body of heater base plate.
Have gathering sill 25 respectively in stage casing, door shell body 2 both sides, the slide block assembly that installations can be slided along the gathering sill above-below direction in the gathering sill 25, and with the interior lining panel 22 of slide block assembly corresponding position on stretch out first opening 221 of a strip.Slide block assembly by lead arm rotating shaft 31, lead arm mounting blocks 32, oiliness bearing and oiliness bearing cover, anti-wear gasket 33 constitute; Leading arm mounting blocks 32 is installed in the gathering sill 25; And between is provided with anti-wear gasket 33; Lead arm rotating shaft 31 and be installed in and lead on the arm mounting blocks, oiliness bearing and oiliness bearing cover are nested with is successively leading in the arm rotating shaft 31, is articulated and connected and one leads arm 5 leading arm rotating shaft 31.Of Fig. 8, this is led arm 5 and is sheet, and an end is useful on hinged circular hole, is called hinged end 51, is used for and leads the arm rotating shaft and be connected; The other end is useful on the circular hole of the circular hole that connects extension spring, is called extension spring end 52, is used to connect an extension spring 53, and extension spring 53 other ends are fixed on extension spring on the base plate and fixedly pick up the ears on 54.Lead the stage casing of arm 5 and take in the directive wheel that is placed on directive wheel mechanism, this directive wheel mechanism comprises and leads arm directive wheel 61, guide wheel shaft, oiliness bearing, upper hinge support 62; Upper hinge support 62 is for being installed in the inboard support of body of heater header board 11, and oiliness bearing is installed in the centre bore of directive wheel, and guide wheel shaft passes oiliness bearing and is installed on the upper hinge support 62, has on the directive wheel 61 and leads the annular groove that arm cooperates.Simultaneously protruding arcuate structure 55 is down arranged leading the bottom of arm 5 near hinged end, when fire door was closed, the arcuate structure of protrusion was stuck in just in the gathering sill of directive wheel and forms self-locking, prevents that fire door is loosening.Lead arm, directive wheel mechanism and extension spring and form hinged system, when microwave oven is in when closing the door state, it is tight that the pretension of extension spring is closed fire door.
In bottom, door shell body 2 both sides rotating assembly 7 is installed respectively, rotating assembly comprises door pivot mounting blocks 71, door support 72, oiliness bearing and door pivot 73, and door pivot 73 is fixed on the door pivot mounting blocks 71.With the interior lining panel 22 of door pivot mounting blocks 71 corresponding positions on offer rectangular second opening 222; Door supports 72 and passes second opening 222 backward, and an end is hinged on the door pivot mounting blocks 71, the other end be used for body of heater header board 11 on installation portion 111 is fixedly connected, the door shell body can be rotated around door pivot 73.
When the slide block assembly in above-mentioned, rotating assembly and hinged system synergy, constituted automatic reset system jointly.
When microwave oven is in when closing the door state; It is tight that the pretension of extension spring 53 and the arcuate structure 55 of leading the protrusion on the arm are closed fire door; Radome embeds body of heater header board open interior and has a little gap all around with furnace chamber; Form microwave and prevent letting out barrier, simultaneously, a little microwave that the choke groove that forms with interior lining panel around the radome can suppress to leak; Sealing strip wave-absorber in the choke groove has absorption to microwave, and the minim gap of interior lining panel between the body of heater header board can be as the barrier at last that suppresses microwave leakage.When there was a large amount of steam in furnace chamber internal cause high temperature, the sealing surface of sealing strip and body of heater header board fitted tightly, and prevented that effectively steam from leaking.
Except that the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (10)
1. a microwave oven fire door is characterized in that,
Comprise the body of heater header board and the body of heater base plate of L-shaped layout, on the body of heater header board, be provided with a fire door opening;
A body assembly, said door body assembly comprises door shell body and automatic reset system;
Said automatic reset system comprises slide block assembly, rotating assembly and hinged system;
Have gathering sill respectively in said door shell body both sides, the slide block assembly that installation can be slided along the gathering sill above-below direction in the said gathering sill, and with the interior lining panel of slide block assembly corresponding position on stretch out first opening of a strip;
In bottom, door shell body both sides rotating assembly is installed respectively, described rotating assembly comprises that door pivot mounting blocks and door support, and with the interior lining panel of door pivot mounting blocks corresponding position on extend second opening of a strip laterally; Said door supports an end and is hinged on the door pivot mounting blocks, passes the outer rear flank that second opening extends outwardly into interior lining panel, and said door supports the other end and is fixedly connected with installation portion on the body of heater header board;
Said hinged system comprises leads arm, directive wheel mechanism and extension spring; Said lead arm pass said first opening after an end be hinged on leading on the arm mounting blocks of slide block assembly, the said arm other end of leading is connected with extension spring, and said stage casing of leading arm takes and be placed in the directive wheel mechanism, it is inboard that said directive wheel mechanism is installed in the body of heater header board; One end of said extension spring with lead arm and be connected, the said extension spring other end fixedly picks up the ears to be connected with the extension spring on the base plate; When microwave oven is in when closing the door state, it is tight that the pretension of extension spring is closed fire door.
2. a kind of microwave oven fire door according to claim 1; It is characterized in that; Said door shell body is by shell, interior lining panel and the hollow-core construction that on interior lining panel, constitutes through the recessed closure plate that forms; In the groove that forms by closure plate and interior lining panel, lay radome, said radome and groove around form annular choke groove, in choke groove, place sealing strip.
3. a kind of microwave oven fire door according to claim 2 is characterized in that, said radome is made up of a plane and four sides, and said radome is fastened on the closure plate, the face of wherein upper and lower two sides for tilting.
4. according to claim 2 or 3 described a kind of microwave oven fire doors, it is characterized in that said sealing strip is the rubber strip of trifid structure for the cross section that is made up of installation portion, suction ripple portion and sealing surface; Said installation portion mainly is to be used for sealing strip is installed and located between interior lining panel closure plate and radome; Said suction ripple portion can absorb a little microwave that leaks in choke groove; Said sealing surface is groove-like, and sealing surface exceeds the interior lining panel plane and forms projection, and its jut plays the effect of sealed steam when contacting with the body of heater header board.
5. a kind of microwave oven fire door according to claim 4 is characterized in that, the said arm of leading is a sheet, leads arm one end and is useful on hinged circular hole, is called hinged end, leads the circular hole that the arm other end is useful on the circular hole that connects extension spring, is called the extension spring end; Protruding arcuate structure is down arranged at said bottom of leading the nearly hinged end of arm rest, and when fire door was closed, the arcuate structure of protrusion was stuck in the interior formation of the gathering sill self-locking of directive wheel, prevents that fire door is loosening.
6. a kind of microwave oven fire door according to claim 5 is characterized in that, at the said arm extension spring end of leading microswitch is installed, and is provided with door handle in the outside of said door shell body.
7. a kind of microwave oven fire door according to claim 1 is characterized in that, saidly lead between arm and the interior lining panel side, and door supports and the interior lining panel side between all be provided with anti-wear gasket.
8. a kind of microwave oven fire door according to claim 1; It is characterized in that; Described rotating assembly comprises door pivot mounting blocks, door support, oiliness bearing and door pivot, and said door pivot is fixed on the door pivot mounting blocks, and said door supports an end and is hinged on the door pivot through oiliness bearing.
9. a kind of microwave oven fire door according to claim 1; It is characterized in that; Said slide block assembly by lead the arm rotating shaft, lead the arm mounting blocks, oiliness bearing, oiliness bearing cover and anti-wear gasket constitute, the said arm mounting blocks of leading is installed in the gathering sill, and between is provided with anti-wear gasket; Saidly lead the arm rotating shaft and be installed in and lead on the arm mounting blocks, said oiliness bearing and oiliness bearing cover are nested with is successively leading in the arm rotating shaft.
10. a kind of microwave oven fire door according to claim 1 is characterized in that, said directive wheel mechanism comprises and leads arm directive wheel, guide wheel shaft, oiliness bearing and upper hinge support; Said upper hinge support is to be installed in the inboard support of body of heater header board, and said leading is installed on the upper hinge support after arm directive wheel and oiliness bearing are located in guide wheel shaft, and said leading has on the arm directive wheel and lead the annular groove that arm cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028586A CN102200309B (en) | 2011-01-26 | 2011-01-26 | Fire door of microwave baking box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028586A CN102200309B (en) | 2011-01-26 | 2011-01-26 | Fire door of microwave baking box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102200309A CN102200309A (en) | 2011-09-28 |
| CN102200309B true CN102200309B (en) | 2012-10-03 |
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ID=44661184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110028586A Expired - Fee Related CN102200309B (en) | 2011-01-26 | 2011-01-26 | Fire door of microwave baking box |
Country Status (1)
| Country | Link |
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| CN (1) | CN102200309B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674356B (en) * | 2016-04-21 | 2018-01-26 | 济南佳泰电器有限公司 | A kind of microwave hot air furnace door |
| CN107581899B (en) * | 2017-05-16 | 2020-02-07 | 合肥人和节能环保设备制造有限公司 | Intelligent rice cooking cabinet door |
| CN112922478B (en) * | 2017-10-19 | 2022-07-12 | 广东美的厨房电器制造有限公司 | Hinge assembly and cooking device |
| CN107587818A (en) * | 2017-10-27 | 2018-01-16 | 陈永 | A kind of new oven door |
| CN110139416A (en) * | 2019-06-14 | 2019-08-16 | 深圳市博威射频科技有限公司 | A kind of micro-wave oven shielding door |
| CN111005634B (en) * | 2019-12-30 | 2021-06-01 | 广东永丰智威电气有限公司 | Spring hinge device of pull-down type turning plate for oven |
| WO2022151694A1 (en) * | 2021-01-15 | 2022-07-21 | 运鼎科技（北京）有限公司 | Microwave shielding door and microwave steam oven comprising same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868128Y (en) * | 2006-02-23 | 2007-02-14 | 优可企业股份有限公司 | Dismountable oven door structure |
| CN101501403A (en) * | 2006-08-04 | 2009-08-05 | 夏普株式会社 | Cooking device |
| CN201964487U (en) * | 2011-01-26 | 2011-09-07 | 济南佳泰电器有限公司 | Microwave oven door, |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3303383B2 (en) * | 1993-01-28 | 2002-07-22 | 松下電器産業株式会社 | High frequency heating equipment |
| JPH09264539A (en) * | 1996-03-28 | 1997-10-07 | Sharp Corp | Micro-wave oven |
-
2011
- 2011-01-26 CN CN201110028586A patent/CN102200309B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868128Y (en) * | 2006-02-23 | 2007-02-14 | 优可企业股份有限公司 | Dismountable oven door structure |
| CN101501403A (en) * | 2006-08-04 | 2009-08-05 | 夏普株式会社 | Cooking device |
| CN201964487U (en) * | 2011-01-26 | 2011-09-07 | 济南佳泰电器有限公司 | Microwave oven door, |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平6-221573A 1994.08.09 |
| JP特开平9-264539A 1997.10.07 |
Also Published As
| Publication number | Publication date |
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| CN102200309A (en) | 2011-09-28 |
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Granted publication date: 20121003 Termination date: 20200126 |