CN1888571A - Microwave oven rotary disc driving device - Google Patents
Microwave oven rotary disc driving device Download PDFInfo
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- CN1888571A CN1888571A CN 200510013922 CN200510013922A CN1888571A CN 1888571 A CN1888571 A CN 1888571A CN 200510013922 CN200510013922 CN 200510013922 CN 200510013922 A CN200510013922 A CN 200510013922A CN 1888571 A CN1888571 A CN 1888571A
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Abstract
A drive device of a microwave oven tray comprises a oven cavity, a oven cavity side board, a tray mounted in the oven cavity and a drive part disposed on the side board of the oven cavity capable of rotating in friction with the peripheral edge of the tray using the rotating force of the drive source. The inventive tray adopts an operation mode of rotating towards a certain direction at the position of a certain height being apart from the bottom of the oven cavity driven by the drive part.
Description
Technical field
The invention relates to micro-wave oven, the particularly relevant type of drive that changes the rotating disk of installing in the furnace chamber makes the rotating blade drive of micro-wave oven of the simple shapeization of furnace chamber bottom surface.
Background technology
Fig. 1 is the stereogram that the rotating blade drive of the micro-wave oven of prior art constitutes, and Fig. 2 is the profile that the rotating blade drive of the micro-wave oven of prior art constitutes.
As shown in the figure, has the punch-out 3 that is recessed to form in the furnace chamber bottom surface 1 of micro-wave oven.Be installed as heat food in the inside of above-mentioned punch-out 3 and as the heater 5 of the another kind of heating source beyond the microwave.In addition, the rotating disk 13 that after the top of above-mentioned heater 5 is equipped with the food placement, heats.
Above-mentioned rotating disk 13 is driven by the shaft end 9 of furnace chamber bottom surface 1 central part and rotates, and operates for heat food thus.Above-mentioned shaft end 9 is driven by the drive motors 11 of 1 below, furnace chamber bottom surface and rotates.In addition, be formed at the joint portion 15 of rotating disk 13 bottom surfaces in 9 li insertions of above-mentioned shaft end.Thus, in rotation, above-mentioned rotating disk 13 is rotation together also at above-mentioned shaft end 9.
Be equipped with rotatable a plurality of roller 17 in the bottom surface of such rotating disk 13, roller 17 is: when above-mentioned rotating disk 13 rotates on the track 7 of above-mentioned furnace chamber bottom surface 1, catch up with when stating 1 contact of furnace chamber bottom surface and can support the structure that rotating disk 13 rotatablely moves.In addition, above-mentioned a plurality of roller 17 for the rotation that can support above-mentioned rotating disk 13 by circular arrangement.
But there is following shortcoming in above-mentioned prior art.
That is, be formed with punch-out 3 according to the furnace chamber bottom surface 1 of prior art, 5 mounted thereto of heaters, and heart portion is provided with and is driven motor 11 and drives and the shaft end 9 of rotation therein.In addition, the track 7 of catching up with roller 17 correspondences of stating rotating disk 13 bottom surfaces 1 forms circular around above-mentioned punch-out 3 in above-mentioned furnace chamber bottom surface.So, 1 out-of-flatness of above-mentioned furnace chamber bottom surface, if it is in the process of the cooking, stay swill thus, very inconvenient in cleaning in above-mentioned furnace chamber bottom surface 1.
Summary of the invention
The present invention is in order to solve the shortcoming of above-mentioned prior art, and its purpose is to provide the rotating blade drive of the micro-wave oven that a kind of above-mentioned furnace chamber bottom shape oversimplifies.
Another kind of purpose of the present invention is to provide a kind of rotating blade drive that changes the micro-wave oven of rotating disk type of drive.
In order to achieve the above object, the technical solution used in the present invention provides a kind of rotating blade drive of micro-wave oven, include furnace chamber, furnace chamber side plate and be equipped with one along the edge of bottom surface with upper roller and be installed in rotating disk in the furnace chamber, wherein: the side plate of described furnace chamber be provided with the more than one revolving force that utilizes drive source by with the periphery of described rotating disk drive division along the friction rotation.
Described drive division includes the drive source that combines with the installation bracket that is arranged at described furnace chamber side plate inboard, be connected in addition on the described drive source drives axle and rotate, and the side plate of the described furnace chamber of part perforation contacts the source driving wheel on described rotating disk periphery edge.
Described drive division is located at respectively on left plate, right plate and the backplate of described furnace chamber side plate and with identical height setting.
Be provided with the passive hub of certain coefficient of friction on the periphery edge of described rotating disk, after contacting, accept revolving force with the periphery of described source driving wheel.
Be provided with driving hub in the periphery of described source driving wheel corresponding to described passive hub.
Described passive hub and drive hub and make of certain hear resistance material is out of shape because of the furnace chamber internal heat preventing, comes off from described rotating disk and source driving wheel.
Described passive hub and driving hub are made of silicon materials.
Described passive hub and drive that hub is separately positioned on described rotating disk and the source driving wheel and overlapped is to keep the frictional force between rotating disk and the source motor-car.
The upper corners of the angle, lower end of described passive hub and driving hub is equipped with spigot surface, is beneficial to described rotating disk guiding is installed between the driving wheel of described source.
The roller of described rotating disk is installed on the track that is formed at described furnace chamber bottom surface, and moves along described track.
The roller of described rotating disk is installed on the track of the shelf that is formed at the described furnace chamber of distance bottom surface certain altitude, and moves along described track.
Effect of the present invention is that the side plate at furnace chamber is provided with drive division, and thus, because of drive division is not located at the furnace chamber bottom surface, the simple shape of furnace chamber bottom surface is so be easy to effect when cleaning above-mentioned furnace chamber bottom surface.In addition, rotating disk of the present invention on the position of furnace chamber bottom surface certain altitude that the is separated by portion of being driven of adopting drives and operates to the mode of a certain direction rotation.And the formation of furnace chamber is to accept the heat structure from the heater of the microwave of magnetron and furnace chamber bottom surface downside.Therefore the present invention is even the type of drive of rotating disk changes the performance that also can keep cooking food on the above-mentioned rotating disk.
Description of drawings
Fig. 1 is the stereogram that the rotating blade drive of the micro-wave oven of prior art constitutes;
Fig. 2 is the profile that the rotating blade drive of the micro-wave oven of prior art constitutes;
Fig. 3 is the stereogram that the rotating blade drive preferred embodiment of micro-wave oven of the present invention constitutes;
Fig. 4 is the plane that the embodiment of the invention constitutes;
Fig. 5 is the main position profile that the embodiment of the invention constitutes;
Fig. 6 a to Fig. 6 c is the pie graph of embodiment of the invention assembling process;
Fig. 7 a and Fig. 7 b are the process pie graphs that inserts passive hub in the driving hub of the embodiment of the invention;
Fig. 8 is the part exploded perspective view that constitutes according to 2 embodiment at the bottom of the microwave oven turntable drive unit of the present invention;
Fig. 9 is the main position profile that the embodiment of the invention constitutes.
Among the figure:
20: rotating disk 22: roller
24: passive hub 26: shelf
28: plate-like portion 30: supporting leg
32: drive division 34: drive source
36: source driving wheel 38: drive hub
40: furnace chamber 42: the furnace chamber bottom surface
44: side plate 46: installation bracket
The specific embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated the rotating blade drive of micro-wave oven of the present invention.
Fig. 3 is the stereogram that the rotating blade drive preferred embodiment of micro-wave oven of the present invention constitutes.Fig. 4 is the plane that the embodiment of the invention constitutes.Fig. 5 is the main position profile that the embodiment of the invention constitutes.
Describe microwave oven turntable drive unit the 1st embodiment of the present invention below in detail.
As shown in the figure, rotating disk 20 is installed in 40 li of the furnace chambers of micro-wave oven, utilizes the microwave that produces at magnetron (not shown) to cook after placing food in the above.In addition, the above-mentioned food heater (not shown) that also can be positioned at furnace chamber bottom surface 42 downsides heats.At this moment, above-mentioned heater is the radiant heat heat food not only, and heats above-mentioned furnace chamber bottom surface 42 and to above-mentioned food transfer of heat.Therefore, when above-mentioned heater 42 downsides were installed in the furnace chamber bottom surface, above-mentioned furnace chamber bottom surface 42 and above-mentioned rotating disk 20 were preferably made of the transparent material that radiant heat is penetrated.
In such rotating disk 20 bottom surfaces rotatable a plurality of roller 22 is installed.When rotating above the plate-like portion 28 of the shelf 26 that above-mentioned rotating disk 20 will illustrate below, above-mentioned rollers 22 is caught up with and is supported when stating the contacting above of plate-like portion 28 that rotating disk 20 rotatablely moves.In addition, above-mentioned a plurality of roller 22 is arranged in circle-shaped in order to support the rotation of above-mentioned rotating disk 20.3 of above-mentioned rollers 22 general outfits, at this moment the center with above-mentioned rotating disk 20 is that the 120 ° of isogonisms in benchmark space are arranged as best.
In the periphery of above-mentioned rotating disk 20 along possessing the passive hub 24 that improves frictional force in order to carry out rolling friction after contact with the periphery of source driving wheel 36.That is, above-mentioned passive hub 24 effects are: contact is provided to the revolving force of the above-mentioned source of the driving hub 38 acceptance driving wheel 36 on above-mentioned source driving wheel 36 periphery edges, and above-mentioned rotating disk 20 is rotated to a certain direction.
For this reason, above-mentioned passive hub 24 has certain coefficient of friction for to the certain frictional force of above-mentioned driving hub 38 performances on its surface.In addition, above-mentioned passive hub 24 arbitrarily to split away off and has certain engaging force from above-mentioned rotating disk 20 in order to prevent, and in order to prevent distortion under the effect of the elevated temperature heat of 40 li of furnace chambers with there being certain hear resistance material to be made as best.Material with above-mentioned characteristic exists in a large number, but the making of above-mentioned in the present embodiment passive hub 24 usefulness silicon is example.
But above-mentioned passive hub 24 is no matter have great coefficient of friction, and short of catching up with certain pressure stated 38 contacts of driving hub, can not occur the frictional force of institute's hope between them.So in the present embodiment, above-mentioned passive hub 24 forms can catch up with to state and drives hub 38 overlapped structures to a certain degree.That is, above-mentioned passive hub 24 is in the side that is subjected to the above-mentioned driving hub 38 of contact under the state of certain pressure, so the revolving force of above-mentioned source driving wheel 36 is delivered to above-mentioned rotating disk 20 by rolling friction.
At this moment, if above-mentioned rotating disk 20 is installed on the following shelf 26 that will illustrate, above-mentioned rotating disk 20 is caught up with the outer peripheral face contact place, many places of stating source driving wheel 36 along outer peripheral face.Therefore, above-mentioned rotating disk 20 is inserted on being installed in above-mentioned shelf 26 time and is provided to furnace chamber biside plate 44a, between the source driving wheel 36 of 44b.At this moment, above-mentioned rotating disk 20 and above-mentioned source driving wheel 36 are to a certain degree overlapped by above-mentioned passive hub 24 and driving hub 38, so for above-mentioned rotating disk 20 is more prone to be installed on the above-mentioned shelf 26 and under certain pressure the outer peripheral face of the above-mentioned source of contact driving wheel 36, possess passive guidance face 24a at an end of above-mentioned passive hub 24.Such passive guidance face 24a plays the effect that helps to insert the rotating disk 20 that possesses above-mentioned passive hub 24 between the driving hub 38 that is provided to separately on the corresponding source motor-car 36.
Here, above-mentioned drive source 34 is installed on the installation bracket 46 that is provided to above-mentioned furnace chamber 40 side plates 44 medial surfaces.At this moment, the above-mentioned drive source 34 driving shaft 34a that is designed so that above-mentioned drive source 34 is best perpendicular to the direction of above-mentioned furnace chamber bottom surface 42.This is because the source motor-car 36 that is installed on the above-mentioned driving shaft 34a will be parallel to above-mentioned furnace chamber bottom surface 42.
Such source driving wheel 36 is connected on the above-mentioned driving shaft 34a and accepts driving force, and can contact the periphery edge of above-mentioned rotating disk 20 behind the side plate 44 of the above-mentioned furnace chamber 40 of its part perforation.At this moment, catch up with the driving hub 38 of stating rotating disk 20 passive hub 24 contacts in the periphery of above-mentioned source driving wheel 36 along possessing.Such driving hub 38 usefulness have to catch up with to be stated passive hub 24 identical coefficient of friction, engaging force and stable on heating materials and makes.Therefore, in the present embodiment, above-mentioned driving hub 38 usefulness are made with passive hub 24 identical silicon materials.
But above-mentioned driving hub 38 is caught up with and is stated passive hub 24 mutual stacked parts, so be formed with driving guide surface 38a in the upper corners corresponding to above-mentioned passive hub 24 passive guidance face 24a.Therefore, when above-mentioned rotating disk 20 corresponding to the periphery of above-mentioned 3 source driving wheels 36 when installing, above-mentioned rotating disk 20 is by above-mentioned passive guidance face 24a and drive guide surface 38a guiding and more successfully install.
Describe the effect of the microwave oven turntable drive unit of the embodiment of the invention in detail below in conjunction with accompanying drawing 6 and Fig. 7.
For the rotating disk 20 of present embodiment is installed in 40 li of furnace chambers shown in Fig. 6 a, at first to be installed in above-mentioned furnace chamber bottom surface 42 to shelf 26.At this moment, each leg 30 that is provided to above-mentioned shelf 26 plate-like portions 28 preferably is installed in above-mentioned furnace chamber bottom surface 42 shown in Fig. 6 b, makes the roller 22 of the track 28a of above-mentioned plate-like portion 28 corresponding to above-mentioned rotating disk 20 bottom surfaces.For this reason, above-mentioned furnace chamber bottom surface 42 is marked with the best infield of above-mentioned each leg 30, can guide above-mentioned leg 30 to be positioned at above-mentioned position.
As mentioned above, if shelf 26 is installed on the above-mentioned furnace chamber bottom surface 42, shown in 6c, above-mentioned rotating disk 20 places on the plate-like portion 28 of above-mentioned shelf 26.At this moment, be installed in the roller 22 of above-mentioned rotating disk 20 on the track 28a of above-mentioned plate-like portion 28.But, above-mentioned rotating disk 20 is installed in the process of above-mentioned plate-like portion 28, the drive division 32 source motor-cars 36 that above-mentioned rotating disk 20 is provided on 403 side plates 44 of above-mentioned furnace chamber center on, and are inserted into the periphery edge of above-mentioned source driving wheel 36 from 3 places on periphery edge.
At this moment, driving hub 38 overlapped part shown in Fig. 7 a of the passive hub 24 of above-mentioned rotating disk 20 and above-mentioned source driving wheel 36.But above-mentioned passive hub 24 and drive hub 38 owing to make of having certain flexible material as silicon etc. is so if push each surface as the direction of arrow of Fig. 7 b, above-mentioned rotating disk 20 is inserted between the above-mentioned source driving wheel 36.Especially, have the passive guidance face 24a that handles on the inclined-plane on the angle, lower end of above-mentioned passive hub 24 and the upper corners of above-mentioned driving hub 38 separately and drive guide surface 38a, help the insertion of aforesaid above-mentioned rotating disk 20.
If start micro-wave oven place food on the rotating disk 20 that is provided with like this after, drive source 34 runnings of drive division 32 are to some direction rotations.Thus, the source motor-car 36 that is connected on above-mentioned each drive source 34 driving shaft 34a also rotates to a certain direction shown in the direction of arrow of Fig. 4 simultaneously.
Because the periphery of above-mentioned each source motor-car 36 is along contacting the passive hub 24 that is provided to above-mentioned rotating disk 20 periphery edges by driving hub 38, so rotatablely moving of above-mentioned source driving wheel 36 is sent to above-mentioned rotating disk 20.At this moment, above-mentioned driving hub 38 and passive hub 24 have certain coefficient of friction separately and are in contact with one another with certain pressure, so carry out rolling friction, transmit driving force from driving hub 38 to passive hub 24.In addition, the speed rotation that above-mentioned each drive source 34 usefulness are identical so above-mentioned rotating disk 20 is accepted identical revolving force by above-mentioned each source driving wheel 36 shown in the direction of arrow of Fig. 4, and is rotated with certain speed.
As mentioned above, if above-mentioned rotating disk 20 rotation, the roller 22 that is provided to above-mentioned rotating disk 20 bottom surfaces moves along the track 28a of above-mentioned plate-like portion 28, and helps the rotation of above-mentioned rotating disk 20.
But,, can be directly installed on above-mentioned furnace chamber bottom surface 42 to above-mentioned rotating disk 20 if when there is no need to rotate above-mentioned rotating disk 20.At this moment, above-mentioned shelf 26 there is no need necessarily to be arranged at above-mentioned furnace chamber bottom surface 42.In this case, if start micro-wave oven,, make above-mentioned drive source 34 forbid running though 34 startings of above-mentioned drive source also can be appended the sensor whether perception rotating disk 20 contacts the above-mentioned drive source 34 of above-mentioned source driving wheel 36 back startings on control part.
Describe microwave oven turntable drive unit the 2nd embodiment of the present invention below in detail.
Fig. 8 is the part exploded perspective view that 2 embodiment constitute at the bottom of the microwave oven turntable drive unit of the present invention.Fig. 9 is the main position profile that the embodiment of the invention constitutes.
Present embodiment as shown in the figure, rotating disk 100 is directly installed on furnace chamber bottom surface 116.At this moment, be recessed to form the track 116a that follows roller 102 correspondences that are provided to above-mentioned rotating disk 100 bottom surfaces in above-mentioned furnace chamber bottom surface 116.That is, above-mentioned track 116a is along rotate path 116 circular formation in above-mentioned furnace chamber bottom surface of above-mentioned rollers 102.
As mentioned above, because above-mentioned rotating disk 100 is arranged at furnace chamber bottom surface 116, drive division 106 also is arranged on the height of corresponding above-mentioned rotating disk 100 of above-mentioned furnace chamber 114 side plates 118.That is, on the installation bracket 118a that is installed on above-mentioned furnace chamber side plate 118 inboards, drive source 108 is set, and catch up with at above-mentioned drive source 108 state rotating disk 100 periphery along above-mentioned source driving wheel 110 is installed on the height of correspondence.At this moment, the passive hub 104 that is provided to above-mentioned rotating disk 100 periphery edges and above-mentioned source driving wheel 110 periphery edges separately with drive hub 112 and adopt with identical mode and the material of the 1st embodiment and make and be provided with.
In addition, other constitutes with 1 embodiment identical, so no longer repeat specification here.
Present embodiment, be the roller 102 of above-mentioned rotating disk 100 position that rear drives are installed be not the track that is formed on the shelf plate-like portion, but be formed on the track 116a of above-mentioned furnace chamber bottom surface 116, but its practical function identical with the 1st embodiment.Therefore, can be understood as present embodiment is: above-mentioned rotating disk 100 is followed the different configuration example of the 1st embodiment from the height of above-mentioned furnace chamber bottom surface 116.
Protection scope of the present invention is not confined among the embodiment described above, and can carry out multiple changes and improvements the those skilled in the art in field of the present invention in this protection domain.
Claims (11)
1, a kind of rotating blade drive of micro-wave oven includes furnace chamber, furnace chamber side plate and is equipped with one along the edge of bottom surface with upper roller and be installed in rotating disk in the furnace chamber, it is characterized in that:
The side plate of described furnace chamber be provided with the more than one revolving force that utilizes drive source by with the periphery of described rotating disk drive division along the friction rotation.
2, the rotating blade drive of micro-wave oven according to claim 1, it is characterized in that: described drive division includes the drive source that combines with the installation bracket that is arranged at described furnace chamber side plate inboard, be connected in addition on the described drive source drives axle and rotate, and the side plate of the described furnace chamber of part perforation contacts the source driving wheel on described rotating disk periphery edge.
3, the rotating blade drive of micro-wave oven according to claim 2 is characterized in that: described drive division is located at respectively on left plate, right plate and the backplate of described furnace chamber side plate and with identical height setting.
4, the rotating blade drive of micro-wave oven according to claim 3 is characterized in that: be provided with the passive hub of certain coefficient of friction on the periphery edge of described rotating disk, accept revolving force with the periphery of described source driving wheel after contacting.
5, the rotating blade drive of micro-wave oven according to claim 4 is characterized in that: be provided with driving hub corresponding to described passive hub in the periphery of described source driving wheel.
6, the rotating blade drive of micro-wave oven according to claim 5 is characterized in that: described passive hub and drive hub and make of certain hear resistance material, be out of shape because of the furnace chamber internal heat preventing, and come off from described rotating disk and source driving wheel.
7, the rotating blade drive of micro-wave oven according to claim 6 is characterized in that: described passive hub and driving hub are made of silicon materials.
8, the rotating blade drive of micro-wave oven according to claim 4 is characterized in that: described passive hub and drive that hub is separately positioned on described rotating disk and the source driving wheel and overlapped, and to keep the frictional force between rotating disk and the source motor-car.
9, the rotating blade drive of micro-wave oven according to claim 8 is characterized in that: the upper corners of the angle, lower end of described passive hub and driving hub is equipped with spigot surface, is beneficial to described rotating disk guiding is installed between the driving wheel of described source.
10, according to the rotating blade drive of any described micro-wave oven in the claim 2 to 9, it is characterized in that: the roller of described rotating disk is installed on the track that is formed at described furnace chamber bottom surface, and moves along described track.
11, according to the rotating blade drive of any described micro-wave oven in the claim 2 to 9, it is characterized in that: the roller of described rotating disk is installed on the track of the shelf that is formed at the described furnace chamber of distance bottom surface certain altitude, and moves along described track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510013922 CN1888571A (en) | 2005-06-27 | 2005-06-27 | Microwave oven rotary disc driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510013922 CN1888571A (en) | 2005-06-27 | 2005-06-27 | Microwave oven rotary disc driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1888571A true CN1888571A (en) | 2007-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510013922 Pending CN1888571A (en) | 2005-06-27 | 2005-06-27 | Microwave oven rotary disc driving device |
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| CN (1) | CN1888571A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613318A (en) * | 2019-10-22 | 2019-12-27 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| CN110701643A (en) * | 2019-10-22 | 2020-01-17 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| WO2021197022A1 (en) * | 2020-03-31 | 2021-10-07 | Qingdao Haier Intelligent Cooking Appliances Co., Ltd. | Turntable oscillation during cooking appliance meal cook cycle |
-
2005
- 2005-06-27 CN CN 200510013922 patent/CN1888571A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613318A (en) * | 2019-10-22 | 2019-12-27 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| CN110701643A (en) * | 2019-10-22 | 2020-01-17 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| CN110701643B (en) * | 2019-10-22 | 2020-11-20 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| WO2021197022A1 (en) * | 2020-03-31 | 2021-10-07 | Qingdao Haier Intelligent Cooking Appliances Co., Ltd. | Turntable oscillation during cooking appliance meal cook cycle |
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Open date: 20070103 |