CN1242203C - Microwave oven - Google Patents
Microwave oven Download PDFInfo
- Publication number
- CN1242203C CN1242203C CN 01136909 CN01136909A CN1242203C CN 1242203 C CN1242203 C CN 1242203C CN 01136909 CN01136909 CN 01136909 CN 01136909 A CN01136909 A CN 01136909A CN 1242203 C CN1242203 C CN 1242203C
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- China
- Prior art keywords
- switch lever
- door
- door bolt
- microwave oven
- micro
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Abstract
The present invention discloses a microwave oven which comprises a microwave oven body, miniature switches and a door bolt plate. The present invention is characterized in that a plurality of miniature switches with slope angles are arranged at both ends of the door bolt plate which is arranged in the microwave oven body; switch levers with slope angles are arranged among the miniature switches to make straight reciprocating shift; springs which are fixed on the door bolt plate and the switch levers elastically support the switch levers along one direction; a fixed door bolt is fixed on the inner side surface of a microwave oven door, the microwave oven door is installed at the front end of the microwave oven body, and the miniature switches are started through the fixed door bolt to lock the microwave oven door. The following effects are brought by implementing an interlocking device of the microwave oven, an on-off structure of the oven door is simplified, a structure of the oven door bolt plate is simplified, and the manufacturing cost of the microwave oven is reduced. In addition, the noise which is generated when the door is opened and closed is reduced, and the reliability of the microwave oven is increased.
Description
Technical field
The invention relates to the invention of the interlock aspect of micro-wave oven, particularly to the improved a kind of micro-wave oven of the interlock of door for microwave oven.
Background technology
The interlock of general micro-wave oven as shown in Figure 1, have following structure: door bolt plate 2 is arranged on the inboard of micro-wave oven body 1, a plurality of microswitches 3,4 and 5 are arranged on described door bolt plate 2 privileged sites; Slide block 11 can upper and lower to the straight line back and forth movement be combined in the inboard of door 10, described door 10 is arranged on the front end of described micro-wave oven body 1, door bolt 12 and 13 is separately positioned on the two ends of described slide block 11, and described door bolt 12 and 13 can start described microswitch 3,4 and 5; The described slide block 11 of extension spring 14 resilient support, make described slide block 11 all the time to lower stress and with open the knob interlock, described slide block 11 is moved up and down against the elastic force direction of described extension spring 14.Be formed with rake 6 and 7 on door bolt plate 2 respectively, the guiding by described rake 6 and 7 is inserted in the described door bolt plate 2 door bolt 12 and 13 that is arranged on described door 10 both sides.Switch lever 8 is formed on and is inserted with door bolt plate 2 privileged sites of described downside door bolt 13, and described switch lever 8 is that the center is rotated with hinge axis 9.
Interlock running to prior art micro-wave oven with described structure is elaborated below.
Interlock with prior art micro-wave oven of described structure, under door 10 open states, the elastic force by described extension spring 14 makes described slide block 11 to lower stress.
When described door for microwave oven 10 is closed under described state, cross the rake 6 and 7 of described door bolt plate 2, described slide block 11 is risen against the elastic force direction of described extension spring 14 by the door bolt 12 and 13 at described door 10 two ends; Breaking away from described rake 6 and 7 in a flash, the pulling force by described extension spring 14 descends described slide block 11, makes described door bolt 12 and 13 start microswitches 3,4 and 5.Described downside door bolt 13 is pushing away switch lever 8 and is starting two microswitches 4 and 5.Pin the knob that opens the door that is arranged on 1 of described body, by general structure described slide block 11 is risen, door 10 rotates to the place ahead of described body 1 and opens simultaneously, described door bolt 12 and 13 is broken away from from described microswitch 3,4 and 5, remove the locking-in state of described door 10, described door 10 is opened.
But the interlock with prior art micro-wave oven of described structure has following shortcoming:
The resilient support of described extension spring 14 is formed on the slide block 11 between the door bolt 12 and 13 of described door 10 inside, described slide block 11 is opened mechanism's interlock with the door of labyrinth, not only make the opening and closing structure complexity of door 10, and make the complex structure of door bolt plate 2, increased the manufacturing cost of micro-wave oven; Particularly, opening and closing described door at 10 o'clock, the noise that the recovery of described extension spring 14 produces has reduced the reliability of micro-wave oven.
Summary of the invention
In order to solve the problem that prior art exists, the purpose of this invention is to provide a kind of micro-wave oven that improves microwave oven interlocking device, interlock by improved micro-wave oven is oversimplified the opening and closing structure of door for microwave oven, and simplifying the structure of door bolt plate reduced the manufacturing cost of micro-wave oven.
In order to solve the problem that prior art exists, technical solution of the present invention provides a kind of micro-wave oven, include the micro-wave oven body, be installed in door for microwave oven, microswitch, the door bolt plate of micro-wave oven body front end, wherein: described microswitch is that a plurality of microswitches are arranged on the door bolt plate with having the angle of inclination, and the door bolt plate is arranged on the inside of the body of micro-wave oven; Be provided with the switch lever with angle of inclination and do straight reciprocating motion between described a plurality of microswitches, the leading section of described switch lever is provided with and buckles and link up with; Be fixed with spring on described door bolt plate and switch lever, this spring is along a described switch lever of direction resilient support; Be fixed with the fixed door bolt on described door for microwave oven medial surface, described fixed door bolt promotes described switch lever reciprocating motion and starts described microswitch by buckling and linking up with on the described switch lever, opens and closes door for microwave oven.
The centre of described fixed door bolt is provided with hanging hole, and in buckling on the described switch lever hung over the hanging hole of described fixed door bolt, described switch lever forwards moved, and opens door for microwave oven; When described fixed door bolt promotes hook on the described switch lever, described switch lever is moved rearward, close door for microwave oven.
Described spring is made up of two torsion springs, described two torsion springs be with described switch lever be symmetrical centre be arranged on the both sides of switch lever.
The both sides of described switch lever are respectively equipped with a block, by the knob of described block, the described microswitch of startup.
Interlock by micro-wave oven provided by the invention can bring following effect: the opening and closing structure of door is oversimplified, and simplifying the structure of door bolt plate reduced the manufacturing cost of micro-wave oven.In addition, the noise that produces in the time of can reducing shutter door, the reliability of raising micro-wave oven.
Description of drawings
Fig. 1 is the profile of the interlock of prior art micro-wave oven;
Fig. 2 is the profile of the interlock closed condition of micro-wave oven;
Fig. 3 is the profile of the interlock open state of micro-wave oven.
Among the figure:
20: micro-wave oven body 21: the door bolt plate
22,23: microswitch 22a, 23a: knob
24: switch lever 24a, 24b: block
24c: buckle 24d: hook
25: fixed door bolt 25a: hanging hole
27,27`: torsion spring 30: door
The specific embodiment
Reaching embodiment with reference to the accompanying drawings is elaborated to micro-wave oven of the present invention.
As Fig. 2, shown in Figure 3, the interlock of micro-wave oven of the present invention starts microswitch 22 and 23 by the fixed door bolt 25 that utilization is arranged on door for microwave oven 30 inside.A plurality of microswitches 22 and 23 are arranged on the door bolt plate 21 with specific angle of inclination, and described door bolt plate 21 is arranged on the inside of the body 20 of micro-wave oven; Switch lever 24 with specific inclination angle can be arranged on to straight reciprocating motion described microswitch 22 and 23 between; Spring is along a described switch lever 24 of direction resilient support; Fixed door bolt 25 interlocks are fixed on the described switch lever 24 of door for microwave oven 30 medial surfaces, and described door for microwave oven 30 is combined in the front end of described body 20.Switch lever 24 carries out straight reciprocating motion by being fixed on leading axle 26 on the door bolt plate 21 and the guiding of 26`; The both sides of described switch lever 24 have block 24a and 24b respectively, start the knob 22a and the 23b of microswitch 22 and 23 by described block 24a and another block 24b.
In addition, described fixed door bolt 25 has following structure: hanging hole 25a is horizontally set on the centre of described fixed door bolt 25, and the leading section of described switch lever 24 is provided with and buckles 24c and hook 24d.In the described 24c of buckling hangs over the hanging hole 25a of described fixed door bolt 25.When described switch lever 24 forwards moves.When described hook 24d contacts on described fixed door bolt 25, described switch lever 24 is moved rearward.
Described spring is made up of torsion spring 27 and another torsion spring 27`, described torsion spring 27 supports described door bolt plate 21, described torsion spring 27` supports described switch lever 24, and described torsion spring 27 and 27` are the both sides that the center is arranged on described switch lever 24 relatively symmetrically with described switch lever 24 preferably.
Described spring is not limited to torsion spring 27 and 27` as shown in FIG., everyly can effective elasticity support described switch lever 24, can take other structures.
Below, the effect of the interlock of micro-wave oven of the present invention with described structure is elaborated.
As shown in Figure 2, the front end of switch lever 24 buckles 24c and inserts in the hanging hole 25a on the fixed door bolt 25 be located at door for microwave oven 30, microswitch 22 and 23 knob 22a, 23a are pressed by the block 24a of described switch lever 24 both sides and another block 24b, make described microswitch the 22, the 23rd, starting state.Though described switch lever 24 is by described torsion spring 27 and another torsion spring 27` resiliency supported, because the fixed door bolt 25 of described door for microwave oven 30 makes described switch lever 24 keep inactive state.
As shown in Figure 3, because the 24c that buckles of described switch lever 24 hangs in the hanging hole 25a of described fixed door bolt 25, so when the user opened door for microwave oven 30 under above-mentioned state, the described 24c of buckling was pulled, so, described switch lever 24 is forwards moved along the inclined plane.
At this moment, the described position that buckles 24c is lower than the height of described fixed door bolt 25, makes the described 24c of buckling not be subjected to the interference of described fixed door bolt 25.
Meanwhile, the torsion spring 27 by supporting described switch lever 24 and another torsion spring 27` make elastic force to the place ahead of described switch lever 24 effect through the dead point, described lever 24 can not be slided arbitrarily and rearward move.
In the open process of described door for microwave oven 30, forwards move by described switch lever 24, the block 24a of described switch lever 24 and another 24b are broken away from from the knob 22a of described microswitch 22 and 23 and 23a, described microswitch 22 and 23 is quit work.
In addition, when closing the situation of described door for microwave oven 30 again, door for microwave oven 30 is pushed to the side of body 20, make the first end of the fixed door bolt 25 of described door for microwave oven 30 promote the hook 24d of described switch lever 24, described switch lever 24 is rearward moved again obliquely, the position rising that buckles the 24c limit of described switch lever 24 is inserted in the hanging hole 25a of described fixed door bolt 25, block 24a and another 24b by described switch lever 24 both sides pressing the knob 22a and the 23a of described microswitch 22 and 23 simultaneously, makes described microswitch 22 and 23 work again.
The basic fundamental thought of the interlock of micro-wave oven of the present invention is that the fixed door bolt is set in door frame.The present invention is not limited to example shown in the figure, can propose a lot of distortion in technological thought of the present invention and right request scope.
Claims (4)
1, a kind of micro-wave oven includes the micro-wave oven body, is installed in door for microwave oven, microswitch, the door bolt plate of micro-wave oven body front end, it is characterized in that:
Described microswitch is that a plurality of microswitches are arranged on the door bolt plate (21) with having the angle of inclination, and door bolt plate (21) is arranged on the inside of the body (20) of micro-wave oven; Be provided with the switch lever (24) with angle of inclination and do straight reciprocating motion between described a plurality of microswitches, the leading section of described switch lever (24) is provided with and buckles (24c) and hook (24d); Be fixed with spring on described door bolt plate (21) and switch lever (24), this spring is along a described switch lever of direction resilient support (24); On described door for microwave oven (30) medial surface, be fixed with fixed door bolt (25), described fixed door bolt (25) is by buckling (24c) and linking up with (24d) on the described switch lever (24), promote described switch lever (24) reciprocating motion and start described microswitch, open and close door for microwave oven (30).
2, micro-wave oven according to claim 1, it is characterized in that: the centre of described fixed door bolt (25) is provided with hanging hole (25a), when buckle (24c) on the described switch lever (24) hangs in the hanging hole (25a) of described fixed door bolt, described switch lever (24) forwards moves, and opens door for microwave oven (30); Described fixed door bolt (25) promotes the hook (24d) on the described switch lever (24), and described switch lever (24) is moved rearward, closes door for microwave oven (30).
3, micro-wave oven according to claim 1, it is characterized in that: described spring is made up of torsion spring (27) and another torsion spring (27 '), described torsion spring (27) and another torsion spring (27 ') be with described switch lever (24) be symmetrical centre be arranged on the both sides of switch lever (24).
4, micro-wave oven according to claim 1 is characterized in that: the both sides of described switch lever (24) are respectively equipped with block (24a) and another block (24b), start the knob of described microswitch by described block (24a) and another block (24b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136909 CN1242203C (en) | 2001-12-25 | 2001-12-25 | Microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136909 CN1242203C (en) | 2001-12-25 | 2001-12-25 | Microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1428538A CN1428538A (en) | 2003-07-09 |
| CN1242203C true CN1242203C (en) | 2006-02-15 |
Family
ID=4673996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01136909 Expired - Fee Related CN1242203C (en) | 2001-12-25 | 2001-12-25 | Microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1242203C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006001293B4 (en) * | 2006-01-10 | 2021-05-27 | BSH Hausgeräte GmbH | Cooking device and method for operating a cooking device |
| DE102006061086B4 (en) * | 2006-12-22 | 2016-07-07 | BSH Hausgeräte GmbH | Household appliance with a locking device |
| CN103134091B (en) * | 2011-12-05 | 2016-06-29 | 乐金电子(天津)电器有限公司 | The interlock of microwave oven |
| CN104373976B (en) * | 2013-08-12 | 2017-05-03 | 广东美的厨房电器制造有限公司 | Household appliance |
| CN105889995B (en) * | 2016-06-12 | 2017-12-29 | 广东美的厨房电器制造有限公司 | Interlocking switch structure and micro-wave oven |
-
2001
- 2001-12-25 CN CN 01136909 patent/CN1242203C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1428538A (en) | 2003-07-09 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060215 Termination date: 20181225 |