CN1451908A - Microwave oven - Google Patents
Microwave oven Download PDFInfo
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- CN1451908A CN1451908A CN 02105605 CN02105605A CN1451908A CN 1451908 A CN1451908 A CN 1451908A CN 02105605 CN02105605 CN 02105605 CN 02105605 A CN02105605 A CN 02105605A CN 1451908 A CN1451908 A CN 1451908A
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- door
- locker
- hook
- micro
- wave oven
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Abstract
A microwave oven is composed of a main body with cooking chamber, element chamber and hook part, gate with bolt and link part matched with said hook part, gate lock, selector for choosing the locking or unlocking state, and gate lock driver. Its advantages are simple structure and high safety for preventing the error opening of gate.
Description
Technical field
The present invention relates to a kind of micro-wave oven, especially relate to a kind of micro-wave oven with the locking device that is used to lock door for microwave oven.
Background technology
Fig. 6 is the disassembled perspective view of a part of shell of conventional microwave oven, and Fig. 7 is the cutaway view of Fig. 6 VII-VII along the line.As shown in the figure, traditional micro-wave oven comprises the main body 101 that is formed with culinary art chamber 103 and element chamber 105, and door 130, and its front end is connected and is used for opening and closing culinary art chamber 103 rotationally with main body 101.
In the left front zone of main body 101 door 103 is installed, is used to open and close the open front of culinary art chamber 103.Be provided with the chain of command plate 107 of handling micro-wave oven in the right front zone of main body 101.Below chain of command plate 107, be provided with door knob 121 and be used to open door 130.The front of main body 101 is formed with a pair of hook and passes hole 109 between open front of cooking chamber 103 and chain of command plate 107, a pair of hook of the latch element 140 that will describe below it allows connects part 143 and passes.
Be formed in the front region of element chamber 105 of chain of command plate 107 back and be provided with bolt co-operating member 110, it is provided with a pair of hook counterpart 112, and when door 130 was closed, the hooking element 143 of latch element 140 matched with this hook counterpart 112.The hook counterpart 112 of bolt co-operating member 110 passes the upper and lower that hole 119 is installed in bolt co-operating member 110 accordingly with the hook that is formed in the main body 110.Hook counterpart 112 is inclined upwardly towards its rear portion, thereby is not separated when part 143 is mated when the hook of latch element 140 connects.
The door knob 120 that combines with the bottom of chain of command plate 107 comprises and is exposed to the pressing piece 121 that main body 101 fronts are promoted by the user, the manipulation projection 123 that extends back towards the inside of element chamber 105 from the back of pressing piece 121, and the button spring 125 of resiliency supported door knob 120.Hook release member 111 is installed below bolt co-operating member 110, and it is used to discharge the hook of the hooking element 143 of the latch element 140 that matches with hook counterpart 112, with the promotion of response user to door knob 121.
Hook release member 111 comprises hook release lever 115 and control stick 113, hook release lever 115 combines with the bottom of the hook counterpart 112 of bottom rotationally, and control stick 113 combines with the bottom of hook release lever 115 rotationally, and rotates by the promotion in the door knob 121.
For the door of the micro-wave oven of opening this traditional structure, if the pressing piece of door knob 120 121 is promoted by the user, and the manipulation projection 123 of door knob 120 moves backward and makes control stick 133 rotate thus.Then, the control stick of rotation 113 rotates hook release levers 115, so that the hook of the latch element 140 that hook release lever 115 is moved up match with lower hook counterpart 112 connects part 143, thereby opens door 130.
In aforesaid conventional microwave oven, the promotion operation that responds door knobs 120 owing to door 130 is opened, therefore working as micro-wave oven is in operation, when using mistiming promotion door knob 120 or children unconsciously to promote door knob 120, door might inadvertently be opened by the user, thereby causes burn user or children's danger.
For addressing the above problem, among the Korean Patent bulletin No.97-4677 (contrast invention) that published on April 2nd, 1997 a kind of micro-wave oven is disclosed.In this micro-wave oven, form porose locking piece be installed to micro-wave oven the door on, in the micro-wave oven main body, be provided with solenoid.Utilize locking piece and solenoid, solenoid is energized when door is closed, and perhaps operating micro-wave oven inserts in the hole of locking piece axle, prevents thus by wrong or at random open.
Yet the locking piece that disclosed micro-wave oven need be installed to separately on the door in the above-mentioned contrast patent is used for locking piece is passed in this hole insertion main body with the hole that is formed on the main body front, thereby makes its complex structure and element and composition thereof increase.
Summary of the invention
The present invention has considered above-mentioned shortcoming, and purpose of the present invention just is to provide a kind of micro-wave oven, can prevent to be opened by wrong or any operation at this micro-wave oven of its run duration, and have simple structure.
This purpose of the present invention and other purposes can realize by such micro-wave oven is provided, this micro-wave oven comprises main body, in this main body, be formed with culinary art chamber and element chamber and be provided with the hook counterpart, open and close the door of culinary art chamber rotationally, and latch element, it is arranged on Men Nei and connects part so that move slidably and have the hook that cooperates and throw off with described hook counterpart, this micro-wave oven also comprises the door latch device, it is arranged on the either side of door or main body, and moves back and forth between the lockout position of door locked position that stops the latch element motion and the motion of permission latch element; Be used to select the latched position of door latch device or the locker of lockout position to drive Option stage; Reach locker actuator according to the selected position of locker actuator moving door locker.
Preferably, the hook counterpart is arranged in the front region of element chamber, and the door latch device is installed in the element chamber adjacent with the hook counterpart, and connects that part contacts or connect part with hook with hook and throw off.
Preferably, the locker actuator is made of magnetic valve.
Preferably, locker drives Option stage and is made of button, and this button is arranged on the outside of main body so that carry out the promotion operation, and drives the locker actuator by disconnecting or link to each other with the power supply that supplies to the locker actuator.
Preferably, locker drives Option stage and is made of button, and this button is arranged on the outside of main body so that carry out the promotion operation, and drives the locker actuator by disconnecting or link to each other with the power supply that supplies to the locker actuator.
Preferably, locker drives Option stage and is made of button, and this button is arranged on the outside of main body so that carry out the promotion operation, and drives the locker actuator by disconnecting or link to each other with the power supply that supplies to the locker actuator.
Preferably, locker drives Option stage and comprises microcomputer, this microcomputer is controlled described locker actuator so that during cooking operation the door latch device is moved to latched position, and after cooking operation is finished the door latch device is moved to the lockout position; And locker function setting spare, the control function that it is arranged on the outside of main body and sets the locker actuator.
Preferably, locker drives Option stage and comprises microcomputer, this microcomputer is controlled described locker actuator so that during cooking operation the door latch device is moved to latched position, and after cooking operation is finished the door latch device is moved to the lockout position; And locker function setting spare, the control function that it is arranged on the outside of main body and sets the locker actuator.
Preferably, locker drives Option stage and comprises microcomputer, this microcomputer is controlled described locker actuator so that during cooking operation the door latch device is moved to latched position, and after cooking operation is finished the door latch device is moved to the lockout position; And locker function setting spare, the control function that it is arranged on the outside of main body and sets the locker actuator.
Description of drawings
From below with reference to more being expressly understood the present invention the accompanying drawing detailed description of the preferred embodiment, wherein:
Fig. 1 is the perspective view of micro-wave oven of the present invention;
Fig. 2 is the disassembled perspective view of a part of shell of micro-wave oven shown in Figure 1;
Fig. 3 is the cutaway view of micro-wave oven along the line III-III among Fig. 2;
The cutaway view that Fig. 4 is in the lock state for door for microwave oven locking device shown in Figure 3;
Fig. 5 is the control block diagram of door for microwave oven locking device according to another embodiment of the present invention;
Fig. 6 is the disassembled perspective view of a part of shell of conventional microwave oven;
Fig. 7 is the cutaway view of micro-wave oven along the line VII-VII among Fig. 6.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
As depicted in figs. 1 and 2, micro-wave oven according to the present invention is included in the main body 1 that wherein is formed with culinary art chamber 3 and element chamber 5, and cooks chamber 3 with the door 30 that main body engages previously in order to open and close rotationally.
In the left front zone of main body 1, be provided with door 30 in order to the open front that opens and closes culinary art chamber 3.In the right front zone of main body 1, be provided with chain of command plate 7 in order to the control micro-wave oven.Below chain of command plate 7, be formed with the door knob 21 that is used to open door 30.Pass hole 9 being formed with a pair of hook on the front surface of main body 1 between culinary art open front of chamber and control panel, a pair of hook of the latch element 40 that will describe below connects part 43 and passes described a pair of hook and pass hole 9 (see figure 3)s.
As shown in Figure 3, door 30 comprises the header board 31 that is formed with window 35, the user can see the inside of culinary art chamber 3 by described window, and the back plate 33 that engages with the rear surface of header board 31, is connected on this back plate 33 in order to the porous protective plate that shields the electromagnetic wave outside radiation.Latch element 40 is arranged in the door 30, and it maintains closed condition with door 30 when the open front of culinary art chamber 3 is closed.
Be formed in the proparea of element chamber 5 at control panel 7 rear portions and be provided with bolt counterpart 10, it is provided with a pair of hook counterpart 12, and when door was closed, the hook of latch element 40 connected part 43 and cooperates with this hook counterpart.The hook counterpart 12 of bolt counterpart 10 be formed on bolt counterpart 10 top and the bottom and be formed on main body 1 on hook to pass hole 9 corresponding, and they upwards tilt towards back body and throw off so that the hook of the latch element 40 that prevents to be mated connects part 43.
Comprise the pressing part 21 that is exposed to main body 1 front and pushes with the door knob 21 of the lower bond of chain of command plate 7 by the user, the manipulation projection 23 that extends back towards the element chamber the inside from the rear surface of pressing part 21, and the button spring 25 of resiliency supported door knob 21.Hook controls 11 is installed below bolt counterpart 10, and it connects part 43 with response user pushing door knob 21 in order to the hook that discharges the latch element 40 that matches with hook counterpart 12.
The part of main body 1 is provided with door locking device 50, is used to prevent that door is opened when micro-wave oven is operated.
Door locking device 50 comprises door latch device 51, it is mobile between the latched position that stops latch element 40 to move upward and the lockout position that allows latch element 40 to move upward, locker actuator 53, its moving door locker 51, and locker driving Option stage 55 (see figure 1)s, it is by driving the shift position that locker actuator 53 comes control gate locker 51.Locker actuator 53 preferably is made of the solenoid of moving door locker 51 in complex way.Locker actuator 53 in the upper area of element chamber 5 with the 12 adjacent installations of top hook counterpart.Door latch device 51 is connected with locker actuator 53 and allows its hook towards the latch element 40 that matches with hook counterpart 12 to connect part 43 when closing with box lunch door 30 to move.Locker driving Option stage 55 is made of the button of control panel front, sees Fig. 1, so that can disconnect with power supply or be communicated with, this power supply links to each other with locker actuator 53.
Utilize such structure, in micro-wave oven of the present invention, the user closes door 3, start the cooking operation of micro-wave oven subsequently, if push the button that drives Option stage 55 as the locker of door locking device 50, electric energy is supplied with the locker actuator so, handles magnetic valve 53 thus.Then, the hook that door latch device 51 promotes to match with top hook counterpart 12 connects the top of part 43, and hook connects part 43 and moves to the door locked position, and the motion of prevention latch element 40.Therefore, can not open door 30 even push door knob 21 yet.
After cooking operation is finished, if the user discharges the pushing of button that the locker as door locking device 50 is driven Option stage 55, the electric energy that supplies to locker actuator 53 is disconnected, and magnetic valve is carried out one and is replied operation, and door latch device 31 shifted to the lockout position, as shown in Figure 3, allow latch element 40 to move thus.If push door knob 21 in this case, hook connects and unclamps cooperating by the manipulation of aforesaid hook release member 11 between part 43 and the hook counterpart 12, opens door 30 thus.
Fig. 5 is the control block diagram of the door locking device of micro-wave oven according to another embodiment of the present invention.Micro-wave oven according to this embodiment comprises door latch device 51, locker actuator 53, and locker driving Option stage 70, and with regard to door locking device 50, as mentioned above, disclosed micro-wave oven is the same among Fig. 1 to Fig. 5.
According to the door latch device 51 of this embodiment and locker actuator 53 have with Fig. 1 to Fig. 5 in the same structure in the disclosed micro-wave oven.Locker drives Option stage 70 and comprises locker function setting spare 71 and microcomputer 73, and this microcomputer is carried out the function of the locker of setting in the locker function setting spare 71.
Locker function setting spare 71 promptly is set in micro-wave oven operating period door latch device 51 is moved to function on the latched position, wherein the motion that makes progress of latch element 40 is limited, also be set in and after cooking operation is finished door latch device 51 moved to the locational function of lockout, wherein latch element 40 is allowed to move upward.Thereby microcomputer 70 control locker actuators 53 allow according to the feature operation locker actuator 53 in 71 settings of locker function setting spare.
Here, preferably, locker function setting spare 71 is set to the function setting button in the control panel 7, and control panel is formed on the front of main body, thereby the user can set-up function or removed the function of setting.
Utilize this structure, in micro-wave oven according to second embodiment, user's operable lock buckle device function setting spare 71 is with the function of setting door latch device 50 (to stop opening or allowing door to open of door during the cooking operation cooking operation is finished after), closes and move micro-wave oven.Then, microcomputer control will supply to the electric energy of locker actuator 53, with operation magnetic valve 53.Door latch device 51 moves to the latched position of door 30 by the upper end that the hook that promotes to match with top hook counterpart 12 connects part, and stops the motion of latch element 40.Therefore, can not open door even push button 21 yet.
After cooking operation was finished, the microcomputer automatic disconnection supplies to the electric energy of locker actuator 53 and magnetic valve is carried out replied operation.Therefore, door latch device 51 moves to the lockout position, and allows latch element 40 to move.If promote door knob 21 in this case, unclamp hook by the operation of above-mentioned hook release member 11 and connect cooperating between part 43 and the hook counterpart 12, allow to open door 30 thus.
Therefore, the motion that door locking device stops latch element to make progress during the microwave oven cooking when door is closed can not be opened by door when promoting door knob or children owing to curiosity promotion door knob when user's mistake.
In addition, owing to can avoid sliding and opening door arbitrarily by the latch element that stops or allow to have few relatively element and part, so door locking device is simple in structure.
In the above-described embodiments, the main body with reference to micro-wave oven is described door locking device.Can certainly be by door locking device being installed in the motion that a inside stops latch element.
As mentioned above, according to the invention provides a kind of micro-wave oven, it can avoid wrong or at random open door during the running of microwave oven, and has simple structure.
Although for the purpose of illustration preferred embodiment is described, for the ordinary skill in the art, in the scope of the present invention and aim that do not break away from the claim qualification, it is obviously with change that the present invention is made many modification.
Claims (5)
1, a kind of micro-wave oven, it comprises main body, be formed with culinary art chamber and element chamber in this main body and be provided with the hook counterpart, open and close the door of culinary art chamber rotationally, and latch element, this latch element is arranged on Men Nei so that move slidably and have the hook that matches with the hook counterpart or throw off and connect part, and this micro-wave oven also comprises:
The door latch device, it is arranged on the either side of door or main body, and moves back and forth between the lockout position of door locked position that stops the latch element motion and the motion of permission latch element;
Locker drives Option stage, and it selects the latched position or the lockout position of door latch device;
The locker actuator, it drives the position moving door locker that Option stage is selected according to locker.
2, micro-wave oven according to claim 1, wherein the hook counterpart is arranged in the front region of element chamber, and the door latch device is installed in the element chamber and is adjacent with the hook counterpart, and hook counterpart and hook connect part and contact or throw off.
3, micro-wave oven according to claim 1, wherein the locker actuator is made of magnetic valve.
4, according to each described micro-wave oven in the claim 1 to 3, wherein locker driving Option stage is made of button, this button is arranged on the outside of main body so that carry out the promotion operation, and drives the locker actuator by disconnecting or be communicated with the power supply that supplies to the locker actuator.
5, according to each described micro-wave oven in the claim 1 to 3, wherein locker driving Option stage comprises:
Microcomputer, this microcomputer are controlled described locker actuator so that during cooking operation the door latch device is moved to latched position, and after cooking operation is finished the door latch device are moved to the lockout position; And
Locker function setting spare, the control function that it is arranged on the outside of main body and sets the locker actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105605 CN1200224C (en) | 2002-04-15 | 2002-04-15 | Microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105605 CN1200224C (en) | 2002-04-15 | 2002-04-15 | Microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1451908A true CN1451908A (en) | 2003-10-29 |
| CN1200224C CN1200224C (en) | 2005-05-04 |
Family
ID=29220719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02105605 Expired - Fee Related CN1200224C (en) | 2002-04-15 | 2002-04-15 | Microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1200224C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383459C (en) * | 2003-12-12 | 2008-04-23 | 乐金电子(天津)电器有限公司 | Door lock structure of door in microwave oven |
| CN104223935A (en) * | 2014-08-29 | 2014-12-24 | 广东美的厨房电器制造有限公司 | Steam cooking apparatus |
| CN111227632A (en) * | 2020-01-22 | 2020-06-05 | 广东格兰仕集团有限公司 | Electric cooking appliance |
| WO2023050764A1 (en) * | 2021-09-29 | 2023-04-06 | 广东美的厨房电器制造有限公司 | Locking assembly and cooking utensil |
| WO2023142270A1 (en) * | 2022-01-27 | 2023-08-03 | 广东美的厨房电器制造有限公司 | Lock structure, cooking utensil and cooking utensil control method |
-
2002
- 2002-04-15 CN CN 02105605 patent/CN1200224C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383459C (en) * | 2003-12-12 | 2008-04-23 | 乐金电子(天津)电器有限公司 | Door lock structure of door in microwave oven |
| CN104223935A (en) * | 2014-08-29 | 2014-12-24 | 广东美的厨房电器制造有限公司 | Steam cooking apparatus |
| CN104223935B (en) * | 2014-08-29 | 2016-07-13 | 广东美的厨房电器制造有限公司 | Steam cooking vessel |
| CN111227632A (en) * | 2020-01-22 | 2020-06-05 | 广东格兰仕集团有限公司 | Electric cooking appliance |
| WO2023050764A1 (en) * | 2021-09-29 | 2023-04-06 | 广东美的厨房电器制造有限公司 | Locking assembly and cooking utensil |
| WO2023142270A1 (en) * | 2022-01-27 | 2023-08-03 | 广东美的厨房电器制造有限公司 | Lock structure, cooking utensil and cooking utensil control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1200224C (en) | 2005-05-04 |
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Granted publication date: 20050504 Termination date: 20150415 |
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| EXPY | Termination of patent right or utility model |