CN1626882A - Microwave oven - Google Patents
Microwave oven Download PDFInfo
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- CN1626882A CN1626882A CN 200310107372 CN200310107372A CN1626882A CN 1626882 A CN1626882 A CN 1626882A CN 200310107372 CN200310107372 CN 200310107372 CN 200310107372 A CN200310107372 A CN 200310107372A CN 1626882 A CN1626882 A CN 1626882A
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- door bolt
- door
- safety switch
- micro
- front panel
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Abstract
The invention discloses a microwave oven. Said microwave oven is characterized by that it includes an external contour frame capable of forming front panel of microwave oven self-body and forming more than one dool bolt socket, a door component which can be turnably mounted on the external contour frame and can be used for opening and closing interior of oven cavity, and is equipped with door bolt component, said door bolt component at least has more than one door bolt, a door bolt board and a space forming mechanical between inside surface of front panel and front face of door bolt board. It can quickly close microwave oven door and can prevent leakage of microwave.
Description
Technical field
The present invention relates to micro-wave oven, especially the door bolt plate structure that in the process of the door assembly that opens and closes micro-wave oven, designs for the safety that can guarantee the user.
Background technology
General micro-wave oven is to be that heating source confuses the molecules align in the food with high frequency waves (2450MHz/ second), and therefrom the frictional heat of Chan Shenging is arranged the electrical equipment of food.
As shown in Figure 1, 2, the body that constitutes by comprising shell 11 and outline framework 12 of micro-wave oven; Form the furnace chamber 20 of cooking chamber; The electric apparatus room 30 that is provided with various electric components constitutes.But the door assembly 40 that opens and closes furnace chamber 20 inside is installed on turn ground on the outline framework.
The inside that forms the door face board 41 of door assembly 40 is provided with the door bolt assembly, and the door bolt assembly comprises the medial surface that comprises rear opening panel 41, promptly constitutes towards the face of outline framework 12 sides outstanding the 1st door bolt 51 and the 2nd door bolt 52.
Each safety switch is by the 1st safety switch 71 that main power source is provided; The 2nd safety switch 72 of the open and-shut mode of perception door assembly 40 and prevent that the pilot switch 73 of carrying out running under the state that door assembly 40 is opened from constituting.
The 1st safety switch 71 is arranged on the lower end of door bolt plate 60, and front side forms outstanding contact point 71a in the above.
The 2nd safety switch 72 is arranged on the upper end of door bolt plate 60, and front side forms outstanding contact point 72a in the above.
Turn door assembly 40 under Fig. 2 state, sealing cooking chamber interior, shown in Fig. 3 a, the 1st door bolt 51 and the 2nd door bolt 52 are that perforation the 1st door bolt inserts mouthful 13a and the 2nd a door bolt insertion mouthful 13b is inserted into door bolt plate 60 inside, and press contact point 71a, 72a, the 73a of each safety switch 71,72,73 successively and connect the power supply of each safety switch 71,72,73, begin to arrange food.
Finish the cooking of cooking thing, shown in Fig. 3 b, under the situation of opening door assembly 40, each door bolt 51,52 disconnects successively from the contact point of each safety switch 71,72,73, inserts mouthful 13a, 13b by each door bolt simultaneously and breaks away from from door bolt plate 60.
The order that each door bolt 51,52 breaks away from from contact point 71a, the 72a of each safety switch 71,72,73, the 73a normally contact point 71a of the 1st safety switch 71 breaks away from first, and each contact point 72a, 73a of the 2nd safety switch 72 and pilot switch 73 break away from successively.Promptly cut off main power source at first, the contact point of other safety switches breaks away from again, therefore can ensure user's safety.
But, there are following problem in the existing door bolt assembly and 60 of the door bolt plates of above-mentioned formation: in the process of opening door assembly 40, because the combination that each door bolt 51,52 and each safety switch are 71,72,73 is loose, therefore to arrive certain distance always, when for example spacing h was the 5mm left and right sides, the power supply of the 1st safety switch 71 can not closed, so can arrange the microwave leakage of chamber interior, cause because the leakage of microwave, user's safety is impacted.
Summary of the invention
Technical problem to be solved by this invention provides a kind of when door assembly is opened, the contact point of the safety switch of cutting off the electricity supply, quick closedown micro-wave oven to greatest extent.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of micro-wave oven comprises that the front panel that forms the body front forms the outline framework that more than one at least door bolt inserts mouth; But being installed on the outline framework of turn opens and closes the inside of furnace chamber, has the door assembly of door bolt assembly, and the door bolt assembly has the door bolt that inserts mouthful outstanding at least more than one towards the door bolt of front panel; Be installed on the medial surface of front panel, have by each door bolt and press the door bolt plate that contact point is connected the 1st safety switch of main power source; Ad-hoc location between the medial surface of panel and the door bolt plate in front, the interval that makes ad-hoc location between the front of the medial surface of front panel and door bolt plate can form any spacing forms mechanism.
Described interval forms mechanism and comprises the distance maintaining projection that begins to give prominence to towards the front of door bolt plate formation from the medial surface of front panel.
Described interval forms mechanism and comprises the distance maintaining projection that begins to give prominence to towards the medial surface of front panel formation from the front of door bolt plate.
The outstanding distance of described distance maintaining projection is littler than the projecting height of the contact point that the 1st safety switch has, when the door assembly closed condition, the power connection of the 1st safety switch, the degree of not pressing fully but the contact point of the 1st safety switch is pressed by the 2nd door bolt.
Described interval forms mechanism and is positioned at and the 1st safety switch adjoining position.
Described the 1st safety switch is installed in the downside of door bolt intralamellar part, forms the front lower side that mechanism is formed on the door bolt plate at interval.
The present invention increases front panel that constitutes the outline framework and combining closely that the door face board that constitutes door assembly is asked by the improvement of the structure of door bolt, and when door assembly was opened, the power supply of the 1st safety switch can cut off apace, prevented to produce microwave leakage.
Description of drawings
Fig. 1 is the schematic diagram of the outline of existing general micro-wave oven.
Fig. 2 be form between the door bolt assembly of existing micro-wave oven and door bolt plate in conjunction with before the cross-sectional side view of state.
Fig. 3 a is the cross-sectional side view that forms the state of combination between the door bolt assembly of existing micro-wave oven and door bolt plate.
Fig. 3 b is the cross-sectional side view that forms disengaged position between the door bolt assembly of existing micro-wave oven and door bolt plate.
Fig. 4 be form between the door bolt assembly of micro-wave oven of the present invention and door bolt plate in conjunction with before the cross-sectional side view of state.
Fig. 5 a is the cross-sectional side view that forms bonding state between the door bolt assembly of micro-wave oven of the present invention and door bolt plate.
Fig. 5 b is the cross-sectional side view that forms disengaged position between the door bolt assembly of micro-wave oven of the present invention and door bolt plate.
Among the figure, 13: front panel; 40: door assembly; 41: door face board; 51: the 1 door bolts; 52: the 2 door bolts; 60: the door bolt plate; 71: the 1 safety switches; 71a: contact point; 800: the distance maintaining projection.
The specific embodiment
Below in conjunction with the drawings and specific embodiments micro-wave oven of the present invention is described in further detail:
Formation same as the prior art is with symbolic expression same as the prior art.
Micro-wave oven of the present invention comprises that outline framework 12, door assembly 40, door bolt plate 60, interval form mechanism.Outline framework 12 forms body with shell 11, forms to form more than one at least door bolt on the front panel 13 of its front and insert mouthful 13a, a 13b.Each door bolt insertion mouth 13a, 13b are that the 1st door bolt that the upside of front panel 13 forms inserts the 2nd door bolt insertion mouthful 13b of the downside formation of mouthful 13a and front panel 13.
But be installed on the outline framework 12 to door assembly 40 turns, open and close furnace chamber 20 inside, inside has the door assembly 41 of door bolt assembly.
The door bolt assembly has the door bolt that inserts outstanding at least more than one of mouthful 13a, 13b towards each door bolt of front panel 13.
Present embodiment, door bolt comprises towards the outstanding formation in the upper end of door bolt assembly, and be inserted into the 1st door bolt plate 51 of the 1st door bolt insertion mouthful 13a and, be inserted into the 2nd door bolt plate 52 that the 2nd door bolt inserts mouth 13b towards the outstanding formation in the lower end of door bolt assembly.Door bolt plate 60 is installed on the medial surface of front panel 13, and has a plurality of safety switches 71,72,73.
Each safety switch comprises by the 1st door bolt 51 presses contact point 72a, the 2nd safety switch 72 of the open and-shut mode of perception door assembly; Press contact point 71a by the 2nd door bolt 52, connect the 1st safety switch 71 of main power source; And prevent under the state that door assembly 40 is opened, to carry out the pilot switch 73 that turns round.
At interval forming mechanism is at the medial surface of front panel 13 and the ad-hoc location between the door bolt plate 60, makes on the ad-hoc location of front of the medial surface of front panel 13 and door bolt plate 60 and forms spacing.
Form the outstanding distance maintaining projection 800 that forms in front that mechanism is included in door bolt plate 60 at interval, and the outstanding distance of distance maintaining projection 800 is littler than the projecting height of the contact point 71a of the 1st safety switch 71.
The outstanding distance of distance maintaining projection 800 makes under door assembly 40 situation in off position, the power connection of the 1st safety switch 71, but the contact point 71a of the 1st safety switch 71 is not pressed down fully by the 2nd door bolt 52, and for example, the state of pressing is about 1/2 for best.
Even this is in order to open atomic little distance, for example in the about 5mm of slit h, to open door assembly 40 and also can make the contact point 71a of the 1st safety switch 71 form closed condition, main power source being cut off.
When distance maintaining projection 800 is positioned at the 1st safety switch 71 installation position adjoining positions, can be more favourable to the distance adjustment between the contact point 71a of the 2nd door bolt 52 and the 1st safety switch 71.
As embodiments of the invention, when the 1st safety switch 71 was installed in the downside of door bolt plate 60 inside, distance maintaining projection 800 was formed on the front lower side of door bolt plate 60.
Certainly, distance maintaining projection 800 also can be given prominence on the medial surface that forms panel 13 in front, and is favourable in the manufacturing when embodiments of the invention are formed on door bolt plate 60 fronts,, relatively good.
Below, the course of action of embodiments of the invention is carried out further specific description:
As shown in Figure 4, on the cooking chamber interior, put into the cooking thing, when closing door assembly 40 sealing cooking chamber interior, shown in Fig. 5 a, the 1st door bolt 51 and the 2nd door bolt 52 insert mouthful 13a, 13b by each door bolt that is formed on front panel 13 and insert door bolt plate 60 inboards.In this process, the 1st door bolt 51 is pressed the contact point 72a of the 2nd safety switch 72, and the 2nd door bolt 52 is pressed the contact point 71a of the 1st safety switch 71 and the contact point 73a of pilot switch 73.At this moment, because distance maintaining projection 800 exists, make between the front of the medial surface of front panel 13 and door bolt plate 60 and form spacing, the spacing of formation is moved back the contact point 71a of the 1st safety switch 71 rearward and is carried the top certain distance.
Even constituting the front of the door face board 41 of door assembly 40 combines closely on the front panel 13 of outline frame 12 outside, the 2nd door bolt 52 can not be pressed the contact point 71a of the 1st safety switch 71 fully, but the power supply of the 1st safety switch 71 can be connected contact point 71a.By said process, make micro-wave oven be in the cooking state of cooking thing.
After finishing the cooking of cooking thing, when opening door assembly 40, each door bolt breaks away from successively from contact point 71a, 72a, the 73a of each safety switch 71,72,73.At this moment, shown in Fig. 5 b, 52 of the 2nd door bolts are pressed certain altitude, make the small unlatching of door assembly 40, even such as opening about 5mm with interior distance h, the 2nd door bolt 52 is broken away from from the contact point 71a of the 1st safety switch 71, therefore with the unlatching of door assembly 40 almost simultaneously, the main power source on the micro-wave oven will be cut off.So when door assembly 40 was opened, the problem of the microwave leakage that cut-out in time produces because main power source is failed had obtained solution.
Claims (6)
1, a kind of micro-wave oven comprises that the front panel that forms the body front forms the outline framework that more than one at least door bolt inserts mouth; But being installed on the outline framework of turn opens and closes the inside of furnace chamber, has the door assembly of door bolt assembly, and the door bolt assembly has the door bolt that inserts mouthful outstanding at least more than one towards the door bolt of front panel; Be installed on the medial surface of front panel, have by each door bolt and press the door bolt plate that contact point is connected the 1st safety switch of main power source; It is characterized in that the medial surface of panel (13) and the ad-hoc location between the door bolt plate (60) in front, the interval that makes ad-hoc location between the front of the medial surface of front panel (13) and door bolt plate (60) can form any spacing forms mechanism.
2, micro-wave oven according to claim 1 is characterized in that described interval forms mechanism and comprises the distance maintaining projection (800) that begins to give prominence to towards the front of door bolt plate (60) formation from the medial surface of front panel (13).
3, micro-wave oven according to claim 1 is characterized in that described interval forms mechanism and comprises the distance maintaining projection (800) that begins to give prominence to towards the medial surface of front panel (13) formation from the front of door bolt plate (60).
4, according to claim 2 or 3 described micro-wave ovens, the outstanding distance that it is characterized in that described distance maintaining projection (800) is littler than the projecting height of the contact point (71a) that the 1st safety switch (71) has, when door assembly (40) closed condition, the power connection of the 1st safety switch (71), the degree of not pressing fully but the contact point of the 1st safety switch (71a) is pressed by the 2nd door bolt (52).
5, micro-wave oven according to claim 1 is characterized in that described interval forms mechanism and is positioned at and the 1st safety switch (71) adjoining position.
6, micro-wave oven according to claim 1 is characterized in that described the 1st safety switch (71) is installed in the inner downside of door bolt plate (60), forms the front lower side that mechanism is formed on door bolt plate (60) at interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101073726A CN100398912C (en) | 2003-12-12 | 2003-12-12 | Microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101073726A CN100398912C (en) | 2003-12-12 | 2003-12-12 | Microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1626882A true CN1626882A (en) | 2005-06-15 |
| CN100398912C CN100398912C (en) | 2008-07-02 |
Family
ID=34758173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101073726A Expired - Fee Related CN100398912C (en) | 2003-12-12 | 2003-12-12 | Microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100398912C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424420C (en) * | 2006-12-05 | 2008-10-08 | 广东格兰仕集团有限公司 | Interlock mechanism of microwave oven door |
| CN102995589A (en) * | 2011-09-19 | 2013-03-27 | 苏州宝时得电动工具有限公司 | Blowing-suction machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6043473A (en) * | 1995-07-26 | 2000-03-28 | Matsushita Electric Industrial Co., Ltd. | Self lubricating door key and door hook for high frequency heating apparatus |
| KR100218957B1 (en) * | 1997-02-10 | 1999-09-01 | 윤종용 | Microwave leakage protection apparatus for microwave oven |
| JP2001319769A (en) * | 2000-05-11 | 2001-11-16 | Matsushita Electric Ind Co Ltd | High-frequency heating device |
| JP2002357324A (en) * | 2001-05-31 | 2002-12-13 | Sharp Corp | Heating cooking device |
| CN1225623C (en) * | 2001-12-25 | 2005-11-02 | 乐金电子(天津)电器有限公司 | Microwave oven interlocking device |
| CN1450312A (en) * | 2002-04-09 | 2003-10-22 | 乐金电子(天津)电器有限公司 | Interlocking device for microwave oven |
-
2003
- 2003-12-12 CN CNB2003101073726A patent/CN100398912C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424420C (en) * | 2006-12-05 | 2008-10-08 | 广东格兰仕集团有限公司 | Interlock mechanism of microwave oven door |
| CN102995589A (en) * | 2011-09-19 | 2013-03-27 | 苏州宝时得电动工具有限公司 | Blowing-suction machine |
| CN102995589B (en) * | 2011-09-19 | 2015-02-04 | 苏州宝时得电动工具有限公司 | Blowing-suction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100398912C (en) | 2008-07-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20131212 |