CN100572927C - Interlocking device for microwave oven - Google Patents
Interlocking device for microwave oven Download PDFInfo
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- CN100572927C CN100572927C CNB2005100139212A CN200510013921A CN100572927C CN 100572927 C CN100572927 C CN 100572927C CN B2005100139212 A CNB2005100139212 A CN B2005100139212A CN 200510013921 A CN200510013921 A CN 200510013921A CN 100572927 C CN100572927 C CN 100572927C
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- arm
- safety switch
- bolt
- release lever
- door lock
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Abstract
The invention discloses a kind of interlocking device for microwave oven, comprise bolt and push rod; The door lock plate, possess the 1st safety switch and the 2nd safety switch and release lever, release lever comprises the 1st arm, the 2nd arm and the 3rd arm, when the 1st arm upwards rotated at reception bolt applied pressure, the relative minimum rotation of its end face was outstanding downwards apart from the crossover certain altitude; The influence that the 2nd arm is subjected to the rotation of the 1st arm rotates, and exerts pressure for the actuator of the 1st safety switch; The 3rd arm rotates forward when the 1st arm rotates, and exerts pressure for the actuator of the 2nd safety switch.Each safety switch contact that is located at the door lock plate thus can be untied accurately.Crossover setpoint distance above the bolt end, each safety switch contact that is arranged on the door lock plate thus can be untied accurately.Employing can strain material make the 2nd arm and the 3rd arm that constitutes release lever, even the too much rotation of release lever thus also can be avoided the damage of each safety switch.
Description
Technical field
The invention relates to micro-wave oven, particularly a kind of interlocking device for microwave oven.The door lock assembly of switch fire door just.
Background technology
Usually, micro-wave oven is with per second 2, and the microwave of 450MHz is a heating source, utilizes the frictional heat of the molecular vibration generation of constitute to come the machine of heat food.
As shown in Figure 1, micro-wave oven is by the body of heater that comprises that shell 11 and outward appearance framework 12 constitute; The electric control chamber 30 that forms the furnace chamber 20 of heating clamber and various electrical equipments are set constitutes.
The fire door 40 that can stir is set on described outward appearance framework 12, opens and closes furnace chamber 20 inside.On fire door 40, possess door lock assembly, and on the outward appearance framework, the door lock plate is set.The door lock plate has possessed when linking with door lock assembly, several switches that the contact is optionally untied/locked.
Expressed the relation between existing door lock assembly and the door lock plate among Fig. 2.Hence one can see that, and door lock assembly comprises the 1st bolt 51 and the 2nd bolt of giving prominence to outward appearance framework 12 52.As shown in the figure, each bolt 51,52 its place ahead downsides are bent downwardly a part.
3 levers 61,62,63 are set and at lever 61,62 on door lock plate 60,63 effect is the safety switch 64,65,66 of action down, and bolt inlet 67,68 is set on the upper and lower sides of door lock plate 60 fronts.Described 3 levers 61,62,63 can set back under the effect of spring.
And described 3 safety switches 64,65,66th are by the 1st safety switch 64 that provides main power source to be provided with; Detect the 2nd safety switch 65 of fire door 40 on off states and under fire door 40 openings, prevent that the monitoring switch 66 of micro-wave oven running from constituting.
Thus, when fire door 40 was closed, each bolt 51,52 entered by each bolt inlet 67,68 on the door lock plate 60, and promoting each lever 61,62,63, lever 61,62 thus, 63 begin to rotate, and the switch of each switch 64,65,66 is once untied, thereby fire door closes 40 fully.
Therefore but aforesaid existing general bolt 51,52 its anterior end are bent downwardly, and the influence that is subjected to external environment at fire door 40 takes place smallly when sagging, and becoming at switch fire door 40 has some setbacks, and causes that easily the user is discontented.In Korean patent No. is in the invention of 2004-82602, and the end that discloses the bolt of described upside adopts circular configuration, and the bolt of downside is bent upwards, and the micro-wave oven bolt with new construction and the door lock plate structure of the arrangements of the corresponding bolt of each lever.Particularly in the technical scheme that is proposed, there is not spring that lever is set back, and lever relies on own wt to set back, and has not only reduced the operation of mounting spring thus, and has prevented because the disengaging of spring or the damaged safety problem that causes.
Describe the structure of door lock assembly and door lock plate in detail below with reference to Fig. 3.At first, the door lock assembly that is arranged on the fire door (not shown) comprises: with the bolt 53 of fire door handle 41 interlock and be positioned at bolt 53 upsides, constitute towards the outstanding push rod 54 of door lock plate with bolt 53.
And the door lock plate 70 that is arranged on the outward appearance framework (not illustrating among the figure) comprises: the 1st safety switch 71 and the 2nd safety switch 72; Monitoring switch 73; Two levers 81,82 constitute.
Described here the 1st safety switch 71 is arranged on the substantial middle position of door lock plate 70; The 2nd safety switch 72 is arranged on the downside position of described door lock plate 70; Monitoring switch 73 is arranged on the upside position of door lock plate 70.
And described two levers 81,82 comprise: when rotating, exert pressure for the actuator 73a of monitoring switch 73, optionally untie/lock the 1st lever 81 of contact; When rotating, optionally for the actuator 71a of the 1st safety switch 71 and the 2nd safety switch 72,72a exerts pressure, and the 2nd lever 82 of optionally untiing/lock the contact constitutes.
Described the 1st lever 81 has possessed from its center of rotation, i.e. the 1st arm 81a and the 2nd arm 81b that roughly gives prominence to respectively to vertical direction from the hinge joint position.
At this moment, described the 1st arm 81a is subjected to the external force effect from push rod 54, plays the effect of rotating described the 2nd arm 81b, and the actuator 73a that described the 2nd arm 81b plays optionally for monitoring switch 73 exerts pressure, and unties/lock the effect of contact thus.
Described the 2nd lever 82 has possessed from its center of rotation, promptly from the position of hinge combination respectively forwards with rear and outstanding the 1st arm 82a and the 2nd arm 82b and the 3rd arm 82c in below.
At this moment, the effect of described the 1st arm 82a is to utilize the external force of bolt 53 to rotate the 2nd arm 82b and the 3rd arm 82c, and the 2nd arm 82b optionally exerts pressure for the actuator 71a of the 1st safety switch 71, untie/lock the contact, the 3rd arm 82c optionally exerts pressure for the actuator of the 2nd safety switch 72, unties/lock the contact.
Thus, when fire door 40 is closed, constitute the bolt 53 of door lock assembly and each bolt inlet 74,75 that push rod 54 enters the door lock plate 70 that is arranged on the outward appearance framework.
As shown in Figure 4, when recalling the external force on the handle 41, the end of bolt 53 moves up, and upwards exerts pressure for the 1st arm 82a.Thus, described the 2nd lever 82 rotates, and described the 2nd arm 82b and the 3rd arm 82c are that benchmark clockwise rotates with the center of rotation of described the 2nd lever 82, give the actuator 71a of the 1st safety switch 71 and the 2nd safety switch 72, and 72a exerts pressure, and unties its contact.At this moment, the dotted line position among the figure is the state before described the 2nd lever 82 rotates.
Meanwhile, push rod 54 exerts pressure for the 1st arm 81a of the 1st lever 81 forward, and the 2nd arm 81b of described thus the 1st lever is that benchmark rotates counterclockwise with the center of rotation of the 1st lever 81, exerts pressure for the actuator 73a of monitoring switch 73, locks its contact.
At this moment, described monitoring switch 73 is NC shape (normal close) switches, therefore with each safety switch 71,72 differences of NO shape (normal open), and when its actuator is under pressure, its contact locking.
Thus, finish the action of closing upper furnace door, the control after beginning to carry out.
But, though the structure of described door lock assembly and door lock plate can provide smooth sensation when the switch fire door, but when fire door is sagging, can't intactly contact between the 1st arm 82a of the 2nd lever 82 and the bolt 53, thereby can't give the actuator 71a of the 1st safety switch 71 and the 2nd safety switch 72 accurately, 72a exerts pressure.
Promptly, the rotation distance of described the 2nd lever 82 just is designed at fire door and does not take place when sagging, when the 2nd arm 82b that is subjected to the pressure of bolt gives the distance (perhaps the 3rd arm 82c gives the distance that the actuator 72a of the 2nd safety switch 72 exerts pressure) that the actuator 71a of the 1st safety switch 71 exerts pressure, if the producer student is hung down, described bolt 53 ends highly move down the distance that equates with the fire door degree of sag, even bolt 53 exerts pressure for the 1st arm 82a thus, what described the 2nd arm 82b and the 3rd arm 82c can't be complete exerts pressure for the actuator 71a of the 1st safety switch 71 and the actuator 72a of the 2nd safety switch 72.
Thus, the contact of described each safety switch 71,72 is at the state of untiing between state and the lock-out state, and fire door does not have to judge the problem points of having closed fully for fire door by accident under the complete closing state thereby have substantially.
Summary of the invention
Technical problem to be solved by this invention is, the invention provides a kind of interlock with new structure, and it can untie the contact that is arranged on each safety switch on the door lock plate accurately.
In addition, the present invention also provides a kind of interlock with new structure, even be arranged on the too much rotation of release lever on the door lock plate, can avoid each safety switch to damage equally.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of interlocking device for microwave oven comprises: be located at the bolt on the fire door, outstanding towards the outward appearance framework, anterior end is bent upwards and is located at the push rod of bolt upside; Be arranged on the door lock plate on the outward appearance framework, possess the 1st safety switch and the 2nd safety switch and release lever, it is characterized in that, described release lever comprises the 1st arm, the 2nd arm and the 3rd arm, the 1st arm is when reception bolt applied pressure upwards rotates, and the relative minimum rotation of its end face is downward outstanding apart from crossover certain altitude ground, and the projecting height of the crossover of described the 1st arm is in 2.2～2.8mm scope; The influence that the 2nd arm is subjected to the rotation of the 1st arm rotates, and exerts pressure for the actuator of the 1st safety switch; The 3rd arm rotates forward when the 1st arm rotates, and exerts pressure for the actuator of the 2nd safety switch, and the 2nd arm of described release lever and/or the 3rd arm can strains.
The 2nd arm of described release lever and/or the 3rd arm adopt can strain material make.
The invention has the beneficial effects as follows: at first, the interlock among the present invention the 1st embodiment will constitute release lever the 1st arm the end face crossover setpoint distance, each safety switch contact that is arranged on the door lock plate thus can be untied accurately.
Secondly, the interlock of the present invention the 2nd embodiment will constitute crossover setpoint distance above the door lock end of door lock assembly, and each safety switch contact that is arranged on the door lock plate thus can be untied accurately.
At last, the interlock that the 1st embodiment of the present invention and the 2nd embodiment provide, employing can strain material made the 2nd arm and the 3rd arm that constitutes release lever, even the too much rotation of described thus release lever also can be avoided the damage of described each safety switch.
Description of drawings
Fig. 1 is the stereogram of the outward appearance of existing general micro-wave oven,
Fig. 2 is the sectional side view of marriage relation between door lock assembly and the door lock plate in the existing micro-wave oven,
Fig. 3 and Fig. 4 are the sectional side views of the marriage relation after the structure between existing door for microwave oven lock set and the door lock plate is improved,
Fig. 5 to Fig. 7 is the door lock assembly that provides of the 1st embodiment of the present invention and the sectional side view of the marriage relation between the door lock plate,
Fig. 8 to Figure 10 is the door lock assembly that provides of the 2nd embodiment of the present invention and the sectional side view of the marriage relation between the door lock plate.
Among the figure:
500: door lock assembly 511,521: bolt
512,522: push rod 513: the fire door handle
600: 610: the 1 safety switches of door lock plate
611,621,631: actuator 640,650: release lever
642: the 2 arms of 641: the 1 arms
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 5 is the door lock assembly that provides of the 1st embodiment of the present invention and the sectional side view of the marriage relation between the door lock plate, as shown in the figure, the interlock among the present invention the 1st embodiment comprises: door lock assembly 500 and door lock plate 600 constitute.Here, the door lock assembly 500 that constitutes interlock is arranged on the door of microwave oven (not illustrating among the figure), comprise: towards outward appearance framework (not illustrating among the figure) outstanding the time, the bolt 511 that its anterior end is bent upwards and be positioned at the push rod 512 of bolt 511 upsides.Bolt 511 can elasticity rotate under the operation of fire door handle 513.The door lock plate 600 that constitutes interlock is arranged on the outward appearance framework that constitutes micro-wave oven, comprises optionally untiing/lock the 1st safety switch 610 and the 2nd safety switch 620 of contact; With door lock assembly 500 interlocks, optionally untie/lock the release lever 640 of the contact of described each safety switch 610,620.
Around hinge joint 645, be provided with the 1st arm 641 and the 2nd arm 642 and the 3rd arm 643 on the described release lever 640 here, at a distance of outside the giving prominence to of certain distance.
At this moment, described the 2nd arm 642 central point in hinge joint 645 when the 1st arm 641 rotates rotates, and plays the effect of exerting pressure to the actuator 611 of the 1st safety switch 610.
And, when the 3rd arm 643 rotates at the 1st arm 641, rotate forward from the central point of hinge joint 645, play the effect of exerting pressure to the actuator 621 of the 2nd safety switch 620.
And bolt 511 applied pressures of the 1st arm on receiving gate lock set 500 are center of rotation when upwards rotating with hinge joint 645, and its end face is given prominence to apart from the crossover certain altitude is downward for minimum rotation relatively.
At this moment, the minimum displacement of the 1st arm 641 is distances that the contact of the 1st safety switch 610 and the 2nd safety switch 620 can be untied accurately.Particularly the crossover height H 1 of the 1st arm 641 is preferably in 2.2～2.8mm scope, preferably reaches the 2.5mm height.
If the crossover height H 1 of the 1st arm 641 is below 2.2mm, because the external cause fire door takes place when sagging, what will take place that each actuator 611,621 to the 1st safety switch 610 and the 2nd safety switch 620 that the 2nd arm 642 and the 3rd arm 643 can't be complete exerts pressure is bad.
Moreover, the crossover height H 1 of the 1st arm 641 reaches 2.8mm when above, and the actuator 611,621 of giving the 1st safety switch 610 and the 2nd safety switch 620 that the 2nd arm 642 and the 3rd arm 643 will be too much is exerted pressure, and can cause the damage of safety switch 610,620.
Thus, the crossover height H 1 of the 1st arm 641 should be in 2.2～2.8mm scope.And in the release lever 640, the 2nd arm 642 and/or the 3rd arm 643 preferably can strains.
This is in order to prevent the damage of each safety switch 610,620, even because the crossover of the 1st arm 641, the 2nd arm 642 and/or the too much rotation of the 3rd arm apply the pressure that is enough to destroy safety switch 610,620 also can't for actuator 611,621.
At this moment, the structure that the 2nd arm 642 and/or the 3rd arm 643 can strains can adopt variety of way to realize, and the 2nd arm 642 among the present invention the 1st embodiment and the 3rd arm 643 adopt soft material, makes it can strain.
Simultaneously, unaccounted symbol 630 expression monitoring switch, 650 the exerting pressure that are illustrated in the push rod of door lock assembly 500 are rotated down, and the other release lever of exerting pressure to the actuator of monitoring switch 630.
Below to the interlock among the present invention the 1st embodiment in course of action, the contact of its 1st safety switch 610 and the 2nd safety switch 620 is separated open procedure and is elaborated.At first, fire door (not illustrating among the figure) is when open, and when promptly furnace chamber inside was open, release lever 500 was in the state of Fig. 5.At this moment, the 2nd arm 642 end face are owing to constitute the restoring force of the actuator 611 of the 1st safety switch 610, rest on above the actuator 611, the end of the 3rd arm 643 is by the restoring force of the actuator 621 that constitutes the 2nd safety switch 620, rest on actuator 621 above.
Under above-mentioned state, when the user utilizes fire door handle 513 to close fire door, as shown in Figure 6, constitute the bolt 511 of door lock assembly 500 and each bolt inlet 601,602 that push rod 512 enters the door lock plate 600 that is arranged on the housing.At this moment, the end face of the end of bolt 511 and the 1st arm 641 that constitutes release lever 640 is towards relatively.
Then, when acting on the external force disappearance of fire door handle 513, as shown in Figure 7, the end of described bolt 511 moves up, and upwards exerts pressure for the 1st arm 641.
Thus, whole release lever 640 is that the center clockwise rotates with hinge joint 645, and the 2nd arm 642 and the 3rd arm 643 exert pressure for each actuator 611,621 of the 1st safety switch 610 and the 2nd safety switch 620, untie the contact.
The end face of the 1st arm 641 is because can crossover, even because fire door is sagging, the calibrated altitude of design is low a part of highly relatively above the end of bolt 511, the 2nd arm 642 and the 3rd arm 643 can be given each actuator 611 of the 1st safety switch 610 and the 2nd safety switch 620 accurately, 621 exert pressure, thereby the contact of each safety switch 610,620 can be untied accurately.
Certainly, because sagging phenomenon does not also take place in fire door, therefore even the 2nd arm 642 and the too much actuator 611 of giving the 1st safety switch 610 and the 2nd safety switch 620 of the 3rd arm 643,621 have applied pressure, because the 2nd arm 642 and the 3rd arm 643 can strains, avoided the damage of each safety switch 610,620.Simultaneously, untie safety switch 610 accurately,, can prevent that also the structure of the breakage of each safety switch 610,620 is not limited to the 1st embodiment of the present invention even release lever too much rotates 620 contact the time.
That is, release lever 640 adopts existing structure, and bolt 511 structures of improving door lock assembly 500 just can realize above-mentioned effect.
Therefore, in the 2nd embodiment of the present invention, proposed to untie safety switch 610 accurately, even release lever too much rotates 620 contact the time, also can prevent each safety switch 610,620 breakage improvement the technical scheme of bolt shape of door lock assembly 500.
Below, 8 to Figure 10 this is specifically described in conjunction with the accompanying drawings.
At first, the interlock among the 2nd embodiment of the present invention comprises roughly that as the 1st embodiment door lock assembly 500 and door lock plate 600 constitute.Here, the door lock plate 600 that constitutes interlock is arranged on the outward appearance framework (not illustrating among the figure) that constitutes micro-wave oven, comprising: the 1st safety switch 610 and the 2nd safety switch 620 of optionally untiing/lock the contact; With door lock assembly 500 interlocks, optionally untie/lock the release lever 640 of the contact of each safety switch 610,620.
Around hinge joint 645, the 1st arm 641 and the 2nd arm 642 and the 3rd arm 643 are set on the release lever 640 at a distance of outside the giving prominence to of certain distance.The 1st arm 641 plays the effect that receives external force, and its end is to bottom bend.The 2nd arm 642 is subjected to external force at the 1st arm 641 and does the time spent, rotates at the central point of hinge joint 645, plays the effect of exerting pressure to the actuator 611 of the 1st safety switch 610.And the 3rd arm 643 is subjected to external force at the 1st arm 641 and does the time spent, rotates forward from the central point of hinge joint 645, plays the effect of exerting pressure to the actuator 621 of the 2nd safety switch 620.
Here, the door lock assembly 500 that constitutes interlock is arranged on the door of microwave oven, comprising: outstanding towards the outward appearance framework, and bolt 521 that its anterior end of while is bent upwards and the push rod 522 that is positioned at bolt 521 upsides.Project upwards apart from the crossover certain altitude for the minimum rotation that constitutes the 1st arm 641 of release lever relatively above the anterior end of bolt 521.The minimum displacement of the 1st arm 641 is distances that the contact of the 1st safety switch 610 and the 2nd safety switch 620 can be untied accurately.The crossover height H 2 of bolt 521 preferably reaches the 2.5mm height in 2.2～2.8mm scope.
If the crossover height H 2 of bolt 521 is below 2.2mm, because the external cause fire door takes place when sagging, because bolt 521 rotates the distance of the 1st arm 641 less than the minimum rotation distance, the 2nd arm 642 and the 3rd arm 643 can't be complete each actuator 611,621 to the 1st safety switch 610 and the 2nd safety switch 620 exert pressure.Moreover, if the crossover height H 2 of bolt 521 reaches 2.8mm when above, the actuator 611,621 of giving the 1st safety switch 610 and the 2nd safety switch 620 that the 2nd arm 642 and the 3rd arm 643 will be too much is exerted pressure, can cause the damage of safety switch 610,620.Thus, the crossover height H 2 of bolt 521 should be in 2.2～2.8mm scope.
And in the described release lever 640, the 2nd arm 642 and/or the 3rd arm 643 preferably can strains.
This is in order to prevent the damage of each safety switch 610,620, even because the crossover of bolt 521, the 1st arm 641, the 2 arms 642 and the too much rotation of the 3rd arm apply the pressure that is enough to destroy safety switch 610,620 also can't for actuator 611,621.
At this moment, the structure that the 2nd arm 642 and/or the 3rd arm 643 can strains can adopt variety of way to realize, and the 2nd arm 642 among the present invention the 2nd embodiment and the 3rd arm 643 adopt soft material, makes it can strain.
The interlock of the 2nd embodiment provided by the invention is identical with the interlock of the 1st embodiment of the present invention, can untie each safety switch 610 accurately, even the too much rotation of release lever 640 also can prevent the damage of each safety switch 610,620 in the time of 620 contact.
Promptly, making above bolt 521 terminal can crossover, even fire door takes place sagging thus, constitute the 2nd arm 642 of release lever 640 and each actuator 611 that the 3rd arm 643 can be given the 1st safety switch 610 and the 2nd safety switch 620 accurately, 621 exert pressure, thereby can accurately untie the contact of each safety switch 610,620.
The 2nd arm 642 and the 3rd arm 643 adopted can strain material, even the too much rotation of release lever 640 thus also can prevent the damage of each safety switch 610,620.
Simultaneously, the present invention is each embodiment as the aforementioned, is not confined to improve the shape of the 1st arm 641 of bolt 521 or release lever 640, prevents the breakage of each safety switch 610,620 when the contact of each safety switch 610,620 is untied accurately,
That is, though do not illustrate in the accompanying drawing, can make the structure of described bolt 511,521 and the 1st arm 641 structure crossovers one determining deviation of release lever 640 is 1.1～1.4mm, reaches the technique effect of the 1st embodiment and the 2nd embodiment.
Claims (2)
1. interlocking device for microwave oven comprises: be located at the bolt on the fire door, outstanding towards the outward appearance framework, anterior end is bent upwards and is located at the push rod of bolt upside; Be arranged on the door lock plate on the outward appearance framework, possess the 1st safety switch and the 2nd safety switch and release lever, it is characterized in that, described release lever comprises the 1st arm, the 2nd arm and the 3rd arm, the 1st arm is when reception bolt applied pressure upwards rotates, and the relative minimum rotation of its end face is downward outstanding apart from crossover certain altitude ground, and the projecting height of the crossover of described the 1st arm is in 2.2～2.8mm scope; The influence that the 2nd arm is subjected to the rotation of the 1st arm rotates, and exerts pressure for the actuator of the 1st safety switch; The 3rd arm rotates forward when the 1st arm rotates, and exerts pressure for the actuator of the 2nd safety switch, and the 2nd arm of described release lever and/or the 3rd arm can strains.
2. interlocking device for microwave oven according to claim 1 is characterized in that, the 2nd arm of described release lever and/or the 3rd arm adopt can strain material make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100139212A CN100572927C (en) | 2005-06-27 | 2005-06-27 | Interlocking device for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100139212A CN100572927C (en) | 2005-06-27 | 2005-06-27 | Interlocking device for microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1888570A CN1888570A (en) | 2007-01-03 |
| CN100572927C true CN100572927C (en) | 2009-12-23 |
Family
ID=37577858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100139212A Expired - Fee Related CN100572927C (en) | 2005-06-27 | 2005-06-27 | Interlocking device for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100572927C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879799B (en) * | 2015-05-26 | 2017-06-16 | 宁波方太厨具有限公司 | A kind of safety door latch mechanism for preventing steam and microwave leakage |
| KR102605675B1 (en) * | 2016-12-08 | 2023-11-27 | 삼성전자주식회사 | Home appliance with leveling door handle |
-
2005
- 2005-06-27 CN CNB2005100139212A patent/CN100572927C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1888570A (en) | 2007-01-03 |
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Granted publication date: 20091223 Termination date: 20170627 |