CN1149689A - Driving device for rotary desk of microwave oven - Google Patents
Driving device for rotary desk of microwave oven Download PDFInfo
- Publication number
- CN1149689A CN1149689A CN96111777A CN96111777A CN1149689A CN 1149689 A CN1149689 A CN 1149689A CN 96111777 A CN96111777 A CN 96111777A CN 96111777 A CN96111777 A CN 96111777A CN 1149689 A CN1149689 A CN 1149689A
- Authority
- CN
- China
- Prior art keywords
- turntable shaft
- mentioned
- turntable
- driving device
- rotating cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6408—Supports or covers specially adapted for use in microwave heating apparatus
- H05B6/6411—Supports or covers specially adapted for use in microwave heating apparatus the supports being rotated
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Ovens (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
Disclosed is a revolving base driving gear of a microwave oven, which has advantages of simple structure, small quantity of parts, saved manufacturing cost and extendable service life of a retainer member bearing a revolving base shaft, and can make the motion of the revolving base shaft smooth and eliminate the noise and vibration, and an electromotor for rotating the revolving base and an electromotor for lifting the revolving base are arranged at corresponding positions left and right, thus the assembly operation of engagement of a plurality of gears and the general working performance can be improved easily. The device has the revolving base shaft; a revolving base rotating device and a revolving base lifting and lowering device.
Description
The present invention relates to micro-wave oven (range) driving device for rotary desk, say so in more detail about a kind of like this driving device for rotary desk of microwave oven, while promptly turntable rotate, lifting so that more even, the driving device for rotary desk of microwave oven of conditioning food more promptly.
Generally speaking, micro-wave oven as shown in Figure 1, in the case cover 1 that forms the micro-wave oven profile, be formed with placement food, and the heating clamber 2 (this heating clamber has the space of regulation area) used of heated food, in the agitator cover 3 on these heating clamber 2 tops, be provided with the mixing arm 5 that can rotate freely, so that high frequency waves disperse and the food of placing in the heating clamber 2 is evenly heated by axle 4.Upside at this mixing arm 5 is provided with waveguide pipe 6, and its effect imports the high frequency waves that disperse by mixing arm 5 in the heating clamber 2.
Side end in above-mentioned waveguide pipe 6 is provided with the magnetron 7 that produces high frequency waves, and this magnetron is by not shown power supplier power supply.Side in above-mentioned case cover 1 is provided with cooling fan 8, and after the energising, the heat cooling that one side rotation one side is produced when making magnetron 7 runnings by pectinid power makes stirring vane 5 rotations simultaneously.
Be provided with turntable 9 on the inside bottom surface of above-mentioned heating clamber 2, can place the dressing table or the container of store food on this turntable, be provided with drive unit 10 on the bottom surface in heating clamber 2 outsides, the energising back drives, the limit makes above-mentioned turntable 9 rotations.
Adopt the existing micro-wave oven of this structure, be arranged on place dressing table (being placed with the food that needs conditioning on this dressing table) or container on the turntable 9 in the heating clamber 2 after, unshowned console switch in the application drawing, after magnetron 7 connects high voltage source, limit vibration, limit produce high frequency waves, these high frequency waves are imported in the agitator cover 3 along waveguide pipe 6, also are imported into mixing arm 5 (this blade 5 is located in the agitator 3, can rotate) simultaneously.
At this moment, limit rotation, limit evenly disperse the high frequency waves of running on the housing to mixing arm 5 by the pectinid power of cooling fan 8 (this fan is being driven after the energising), and it is supplied with heating clamber 2, thereby the food that is placed on the turntable 9 is carried out eddy-current heating.
Meanwhile, make above-mentioned turntable 9 rotations by drive unit 10 (this drive unit is driven) after energising, like this, the food on the turntable 9 just is subjected to the high frequency waves irradiation at large, makes food carry out eddy-current heating quickly.
But, adopt the driving device for rotary desk of microwave oven of this structure, in order to effectively utilize the space conditioning food in the heating clamber 2, need to render to the placement location of the food in the heating clamber 2 to the specified altitude adjustment, this structure exists the problem that can not fully satisfy above-mentioned requirements, because turntable 9 can only be rotated by the driving force of transmitting drive unit 10, and can not lifting.
For this reason, the someone has proposed Japanese Utility Model and discloses the flat 1-150396 of communique number as solution of the above problems.As shown in Figure 2, the driving device for rotary desk of microwave oven of this communique is made of turntable whirligig 20 and turntable lowering or hoisting gear 30, and wherein the effect of whirligig 20 is to make turntable 9 rotations, and the effect of lowering or hoisting gear 30 is to make above-mentioned turntable 9 liftings by connecting rod.
That is to say that above-mentioned turntable whirligig 20 is to constitute like this, the inside bottom surface of promptly above-mentioned case cover 1 is provided with first motor 21 (this motor is driven) after energising, be connected with driving connector 22 on the top of this first motor 21, described driving connector 22 is connected with driven connector 23 by serration spline connected mode, this driven connector is arranged on the bottom surface central authorities of turntable 9 down highlightedly, and connects the bottom surface of heating clamber 2.
In addition, above-mentioned turntable lowering or hoisting gear 30 is provided with first, second sliding bar 33,34, to support above-mentioned turntable 9 and to make its lifting.This sliding bar the 33, the 34th, first, second ways 31,32 on heating clamber 2 bottom surfaces leads respectively by being located at.Bottom at above-mentioned first, second sliding bar 33,34, be connected with a pair of first, second left side link component 35a, 35b (effect of this member is the lifting moving distance of restriction first sliding bar 33 and second sliding bar 34) and a pair of first, second right side link component 36a, 36b respectively, the hinge combination of these members can be carried out warpage.
Analyse the hinge part of 36b at the connection above-mentioned first left side connecting elements 35a, the second left side link component 35b and the first right side link component 36a, the second right side connecting rod structure, be connected with the connection link component 37 that can move forward and backward with the hinge combination, this connection link component can make above-mentioned each link component drive to the lifting direction simultaneously, and collapsible.Hinge bound fraction connecting the above-mentioned first right side link component 36a and the second right side link component 36b is combined with drive link parts 38 with the hinge combination, so that above-mentioned connection link component 37 moves forward and backward.End at the opposite side of this drive link member 38 is provided with the worm gear 40 with cam 39, so that drive link member 38 front-rear reciprocation movements, conversion direction of rotation.This worm gear 40 is meshed with worm screw 42 on being connected second motor 41.Represent sensing device on the unaccounted symbol 50 among the figure, it is used for the position of perception turntable 9, and this sensing device is located on the side with the bottom surface of the mutually adjoining heating clamber 2 of above-mentioned first ways 31.
Adopt the driving device for rotary desk of the existing micro-wave oven of this structure, when driving second motor 41 when unshowned operating means in the application drawing, then second motor 41 just with power connection, the limit drives, the limit makes worm screw 42 rotations that are fixed on the not shown motor reel, make worm gear 40 rotations with 42 engagements of this worm screw, make cam 39 actions that are combined into one with worm gear 40 simultaneously, like this, cam 39 just makes drive link member 38 front-rear reciprocation movements, and this drive link member 38 is sides that can be connected cam 39 with the hinge combination with moving about.
In this case, drive link member 38 just makes connection link component 37 front-rear reciprocation movements that are combined in the one end by hinge, this connection link component 37 makes the first left side link component 35a that is connected two ends, the left and right sides respectively with the hinge combination, the second left side link component 35b and first right side be link component 36a then, the second right side link component 36b is folding to the lifting direction simultaneously, as the above-mentioned first left side link component 35a, the second left side link component 35b and the first right side link component 36a, the second right side link component 36b is simultaneously when the lifting direction is folding, in the upper end of the first left side link component 35a and the second right side link component 36a respectively with the hinge combination be connected first, second sliding bar 33,34, by first, second ways 31,32 guiding, lifting on one side simultaneously, make turntable 9 liftings that are positioned on its upper surface on one side, in heating clamber 2, above-mentioned turntable 9 lift adjustments are arrived specified altitude.
In this case, because being connected 22 with driving on being fixed on 21 on first motor, the driven connector 23 that is located at turntable 9 downsides combines with serration spline form, so when above-mentioned first, second sliding bar 33,34 liftings, driven connector 23 with serration spline mode with drive the state that connector 22 combines under, lifting on one side alongst is Yi Bian make turntable 9 liftings.
In addition, above-mentioned turntable 9 is towards the direction of rotation rotation of second motor 41, limit lifting, Bian Shangsheng, in the time of on the position of the specified altitude in it rises to heating clamber 2, according to the transducing signal of the bottom surface one side sensing device 50 that is located at heating clamber 2 and by not shown control device second motor 41 is shut down, turntable 9 rotates towards the direction of rotation of first motor 21, and rises to the height of regulation.
Therefore, if adopt the driving device for rotary desk of the existing micro-wave oven of said structure, its type of drive is made of worm screw mode and a plurality of connecting rod mode, and wherein the worm screw mode is used to transmit power, the change anglec of rotation of second motor 41; The connecting rod mode is used to transmit the rotary power of above-mentioned worm screw mode, and joint motions are carried out on the limit, the limit is minimum makes this turntable 9 carry out elevating movement with three-point support turntable 9 simultaneously, and therefore, this can plant drive unit and exist problems such as complex structure, easy break-down.
In addition, when driving turntable 9 rotations, because many sliding bars 33,34 (this sliding bar carries out three-point support to turntable 9 on the position of specified altitude) often contact with the bottom surface of turntable 9, so exist the generation noise, its frictional force can cause component wear, and is difficult to carry out really problems such as three-point support.
For this reason, the present invention develops in order to solve above-mentioned variety of issue, its objective is for a kind of like this driving device for rotary desk of microwave oven is provided, this device is that the transmission of a plurality of gears of interlock by Motor Drive makes the turntable rotation, make turntable rotation easily like this, and make the turntable shaft lifting, thereby make the turntable can lifting along inclined plane, simple in structure, amount of parts reduces, and therefore can reduce manufacturing expense.
Second purpose of the present invention provides a kind of like this driving device for rotary desk of microwave oven, can prolong the retainer life of components of supporting turntable shaft, and can make the action slyness of turntable shaft, do not produce noise and vibrations.
The 3rd purpose of the present invention provides a kind of like this driving device for rotary desk of microwave oven, about turntable rotation is arranged on motor with motor and turntable lifting on the position of correspondence, be easy to like this improve, and improved Global Operation efficient by the intermeshing assembling of a plurality of gears.
The 4th purpose of the present invention provides a kind of like this driving device for rotary desk of microwave oven, promptly when turntable shaft descends, owing to the unbalanced eccentric load that is applied on the turntable shaft of food that is placed on the turntable, when causing turntable shaft not descend smoothly, apparatus of the present invention can make turntable shaft force to descend, thereby bootable turntable shaft is successfully carried out lifting, and can prevent to produce misoperation.
In order to achieve the above object, the characteristics of driving device for rotary desk of microwave oven of the present invention are to have the turntable shaft that makes turntable rotation or lifting; Drive first motor of turntable shaft rotation; Be separately positioned on the turntable shaft and first motor and be meshing with each other and utilize the power of first motor to make the 6th, the 7th gear of above-mentioned turntable shaft rotation; Be used to drive above-mentioned turntable shaft, make it carry out second motor of elevating movement; Be separately positioned on second motor and the turntable shaft, and be meshing with each other, utilize the power of second motor that the octadentate of above-mentioned turntable shaft lifting is taken turns and rotating cam.
The characteristics of driving device for rotary desk of microwave oven of the present invention are that this driving device for rotary desk of microwave oven has the turntable shaft that makes turntable rotation or lifting; Be entrenched on the turntable shaft, be used to transmit the power of drive source, make the travelling gear of above-mentioned turntable shaft rotation; The upper and lower sides journal member that is located at the upper and lower sides of above-mentioned travelling gear and is rotated; The retainer member that supporting travelling gear and upper and lower sides journal member are rotated.
In addition, the characteristics of driving device for rotary desk of microwave oven of the present invention are that this drive unit has first motor that is located on the case cover and makes turntable shaft (this turntable shaft and turntable combine) rotation; Be located on the substrate and with symmetrical second motor of first motor; Be located on the aforesaid substrate, and transmit the power of second motor, make turntable shaft carry out the rotating cam of lifting; Be located at the driving component on the rotating cam, when turntable shaft descends along with the rotation of rotating cam,, can force turntable shaft to descend owing to being applied to load on the turntable shaft unbalanced (load partially) when causing turntable shaft not descend.
Brief description of drawings:
Fig. 1 is common micro-wave oven summary skiagraph;
Fig. 2 is the skiagraph of the existing driving device for rotary desk of expression;
Fig. 3-Fig. 5 is the figure of the expression embodiment of the invention 1;
Fig. 3 is the vertical view of expression driving device for rotary desk of the present invention;
Fig. 4, Fig. 5 are the D-D line skiagraphs of representing Fig. 3 of turntable shaft extreme lower position and extreme higher position respectively;
Fig. 6 is the axonometric drawing that the 6th gear in the presentation graphs 3 combines with turntable shaft;
Fig. 7-Fig. 8 is the figure of the expression embodiment of the invention 2;
Fig. 7 is the skiagraph of expression driving device for rotary desk of the present invention;
Fig. 8 is the significant points amplification profile diagram of the E part of Fig. 7;
Fig. 9-Figure 15 is the figure of the expression embodiment of the invention 3;
Fig. 9 is the decomposition axonometric drawing of expression driving device for rotary desk of the present invention;
Figure 10 be among Fig. 9 pith in conjunction with vertical view;
Figure 11 is the sectional drawing of Figure 10;
Figure 12 is the pith vertical view that is used to illustrate the action of apparatus of the present invention;
Figure 13 is the side view that the expression turntable shaft enters to driving component;
Figure 14 is that expression utilizes rotating cam to make the pith side view of the propradation of turntable shaft rising;
Figure 15 is that expression utilizes driving component to make turntable shaft force the pith side view of decline state.
Below in conjunction with accompanying drawing in detail one embodiment of the present of invention are described in detail.
Following with reference to accompanying drawing 3-6 detailed description the preferred embodiments of the present invention 1.
The structure identical with existing apparatus among the figure adopts same title and prosign, and this is no longer illustrated.
In Fig. 3-Fig. 6, the bottom surface of heating clamber 2 is provided with the turntable shaft 70 that makes turntable 9 rotations, side at case cover member 205 is provided with first motor 207, so that power supply source and driving, is provided with the 6th gear 209 that makes these turntable shaft 70 rotations in the periphery of turntable shaft 70.
In addition, in order to mesh and make 209 rotations of the 6th gear with above-mentioned the 6th gear 209, unshowned in the drawings motor reel (this motor reel is outstanding to be arranged on first motor 207) is provided with the 7th gear 211.In order to power and to drive, be provided with second motor 215 in a side of substrate 213.Unshowned in the drawings motor reel (this motor reel outstanding is arranged on second motor 215) is provided with octadentate wheel 217, so as along with the driving of second motor 215 interlock.In order to mesh with above-mentioned octadentate wheel 217 and to make turntable shaft 70 liftings, be provided with the rotating cam 221 that can rotate freely at the opposite side of aforesaid substrate 213 by fastener shaft 219.
At this moment, the shape of above-mentioned turntable shaft 70 forms the D font, so that carry out the interlock rotation by the rotation of the 6th gear 209.Slide for turntable shaft 70 being put along the inclined plane of rotating cam 221 connect, form hemisphere face 203a at an end of turntable shaft 70.On the outer peripheral face of this hemisphere face 203a, be provided with bearing 223,, and can successfully be rotated and lifting so that above-mentioned turntable shaft 70 is not moved about.Above-mentioned bearing 223 is being supported that by retainer member 227 this retainer member is fixed on the case cover member 205 by a plurality of clamp structures 225.
Above-mentioned the 6th gear 209 is provided with through hole 209a, and this through hole has the D font inner peripheral surface bigger than the D font outer peripheral face of turntable shaft 70, so that move to the lifting direction along with the rotation of turntable shaft 70.
Above-mentioned case cover member 205 and substrate 213 respectively laterally direction bend to not shown lip portions so that when case cover member 205 combines with substrate 213, can combine contacted part with clamp structure 229.
On the outer peripheral face of the lower end of rotating cam 221, be formed with the tooth 221a that takes turns 217 gears that are meshed with octadentate, be formed with rake 221b in the upper end of rotating cam 221, so that make turntable shaft 70 can carry out lifting with predetermined angular.On above-mentioned rake 221b edge part, be formed with hemispheric inclined plane face 221c, so that turntable shaft 70 slides by a contact, and be rotated and elevating movement.
Among the figure, unaccounted symbol 231 expression sensors, this sensor 231 is located at a side of aforesaid substrate 213, when turntable shaft 70 drops to extreme lower position, but its position of sensor 231 sensings.
In the driving device for rotary desk of microwave oven of the embodiment of the invention 1 of this structure, the lifting action of turntable shaft 70 is described as follows, status of support lower sensor 231 perceives turntable shaft 70 and has dropped to extreme lower position at first in the early stage, at this moment the driving by second motor 215 makes the motor reel rotation, rotation along with this motor reel, octadentate is taken turns the rotation of 217 limits, and limit and rotating cam 221 engagements are also rotated this rotating cam 221.
In this case, above-mentioned rotating cam 221 rotations, when the difference in height of the rake 221b above it changes, the hemisphere face 203a of turntable shaft 70 lower ends is just along hemispherical inclined plane face 221c (this hemispherical inclined plane 221c forms on rake 221b) slip, and carries out elevating movement repeatedly.
During the limit, by the rotating speed of second motor 215 being controlled the position of above-mentioned turntable shaft 70, this position changes along with the variation of the height of turntable shaft 70.
Rotatablely moving of turntable shaft 70 is described in detail in detail below, and along with the driving of first motor 207, motor reel makes the 7th gear 211 rotations that are combined on this motor reel while rotating.The rotation of the 7th gear 211 limits, the 6th gear 209 rotations that the limit makes and its outer peripheral face meshes.209 rotations of the 6th gear then make above-mentioned turntable shaft 70 (this turntable shaft 70 is inserted in the through hole 209a of the 6th gear 209) also be rotated simultaneously, also rotate so be combined in the turntable 9 of turntable shaft 70 upper ends.
Therefore, turntable shaft 70 makes turntable 9 liftings simultaneously on one side along the inclined plane lifting of rotating cam 221.Meanwhile, along with the rotation of the 6th gear 209, turntable shaft 70 rotations, so turntable 9 is also rotated, like this, turntable shaft 70 is just carried out the three-dimensional motion of lifting along with the rotation of turntable 9.
As mentioned above, the driving device for rotary desk of microwave oven of the foregoing description 1 is respectively equipped with first, second motor 207,215 in a side, and wherein the driving force of first motor 207 passes to the 6th gear 209, makes turntable with 70 rotations.Turntable 9 is also rotated; The driving force of second motor 215 is passed to rotating cam 221, makes turntable shaft 70 along the inclined plane lifting, like this, just can obtain following effect, promptly apparatus of the present invention both can make turntable 9 liftings, and structure is with simply, and the amount of parts minimizing, therefore, can save manufacturing expense.
Followingly introduce the preferred embodiments of the present invention 2 in detail according to Fig. 7 and Fig. 8.
Among the figure, adopt same title with the part that structure is identical among the embodiment 1, prosign no longer describes this.
In Fig. 7, Fig. 8, in the space of turntable rotating mechanism 300 between case cover member 205 and substrate 213, and be provided in a side of on the case cover member 205; In the space of turntable elevating mechanism 310 between case cover member 205 and substrate 213, and be provided in a side of on the substrate 213; In the space of Poewr transmission mechanism 320 between case cover member 205 and substrate 213, and be provided in a side of on the case cover member 205.
Above-mentioned Poewr transmission mechanism 320 is combined on the outer peripheral face of turntable shaft 70 (this turntable shaft is combined on the turntable 9) by upper and lower sides journal member 324,326 chimeric.At upper and lower sides journal member 324,326 between the two, by being entrenched in the travelling gear 328 on above-mentioned turntable shaft 70 outer peripheral faces, combine between 324,326 liang of the upper and lower sides journal members, the retainer member 330 that rotatablely moves in the outer peripheral face upper support of upper and lower sides journal member 324 and 326, this retainer member 330 is combined on the case cover member 205.
At this moment, above-mentioned upper and lower sides journal member 324 and 326 be entrenched on the turntable shaft 70, the part be cut on the outer peripheral face of D word shape, central authorities are equipped with through hole (this through hole is not shown in the drawings), to slide stably.Wherein, downside retainer member 326 above be formed with annular recess 326a.
In addition, upper and lower sides retainer member the 324, the 326th is with being coated with the metal of plastics or teflon.
In addition, the central authorities of above-mentioned travelling gear 328 are cut into the inner peripheral surface of D font, and this inner peripheral surface and turntable shaft 70 tops are cut into the outer peripheral face tabling of D word shape, and its outer peripheral face is meshed with the 7th gear 221 (this gear combines with the axle of first motor 207).
At this moment, be formed with annular projection 328a below the above-mentioned travelling gear 328, this annular projection is inserted in the groove 326a that forms on downside journal member 326.
In addition, the travelling gear 328 (this travelling gear can rotate) of having packed in the above-mentioned retainer member 330, and the part of the outer peripheral face of this travelling gear 328 exposes on side direction, for some is cut open with respect to side face with 211 engagements of the 6th gear.
Driving device for rotary desk of microwave oven with embodiment of the invention 2 of this structure, in case drive first motor 207, then the 6th gear 211 that combines with first motor 207 just rotates, and the travelling gear 328 that meshes with the 6th gear 211 is also rotated, so the turntable shaft 70 that is entrenched on the travelling gear 328 is rotated simultaneously, turntable 9 is also rotated.
At this moment, when 70 rotations of above-mentioned turntable shaft, just slip retainer member 330 in of upper and lower sides journal member 324,326, upper and lower sides journal member 324,326 is entrenched on the turntable shaft 70 and is that centre junction is combined in its upper and lower sides with travelling gear 328.
The rotary steering effect that contacted of the minimum area by protruding 328a and groove 326a, turntable shaft 70 successfully is rotated, and above-mentioned protruding 328a and groove 326a combine in the middle of travelling gear 328 and downside retainer member 326 mutually accordingly.
As mentioned above, adopt the driving device for rotary desk of microwave oven of the embodiment of the invention 2, when the spinfunction of turntable shaft 70 and elevating function work independently of each other, can reduce the wearing and tearing of retainer member 330 by upper and lower sides journal member 324,326 (this journal member rotatably is in the centre of turntable shaft 70 and retainer member 330), therefore, adopt this device can receive following effect, promptly prolong the life-span of retainer member 330, and can make the action garden of turntable shaft 70 sliding, abate the noise and vibrate.
Followingly introduce the preferred embodiments of the present invention 3 in detail according to Fig. 9-Figure 15.
Among the figure, adopt same title with the part that structure is identical among the embodiment 1, prosign no longer describes this.
In Fig. 9-Figure 15, interlocking has the turntable shaft 70 that makes turntable 9 rotation on the bottom surface of heating clamber 2, is provided with first motor 207 in a side of case cover member 205, just drives after connecting power supply, interlocking has the 6th gear 209 on the periphery of turntable shaft 70, so that 70 rotations of above-mentioned turntable shaft.
In order to mesh and make 209 rotations of the 6th gear with the 6th gear 209, on the motor reel of above-mentioned first motor 207, be combined with the 7th gear 211, a side of substrate 213, with first motor, 207 corresponding directions on be provided with second motor 215, just can drive after the energising.On the axle of second motor 215, be combined with octadentate wheel 217, with interlock along with the driving of above-mentioned second motor 215, opposite side at aforesaid substrate 213, be provided with rotating cam 410 (this cam can rotate freely by fastener shaft 219), so that mesh, make turntable shaft 70 carry out elevating movement with octadentate wheel 217.
At this moment, the shape of the established part on the outer peripheral face of above-mentioned turntable shaft 70 is cut into the D font, so that interlock by the rotation of the 6th gear 209, on the outer peripheral face of D word shape, be combined with retainer member 227, so that turntable shaft 70 is not moved about, and can rotate in the garden, can also carry out lifting simultaneously. slidinglyThis retainer member 227 combines by the bottom surface of a plurality of clamp structures 225 with above-mentioned case cover member 205, and interlocking has the good bearing of anti-wear performance 223 on the side face within it, so that turntable shaft 70 can be rotated and lifting in the garden slidingly.
In addition, in the lower end of above-mentioned turntable shaft 70, be combined with the hemispherical contact member 400 that synthetic resin is made by the bond vitrified method, so that carry out a contact in conjunction with orbital plane along above-mentioned rotating cam 410, so easy slip, and rotating cam 410 is not worn.
At this moment, integrally prominent establishing on the periphery of above-mentioned contact member 400 upper ends in conjunction with protruding 400a, its external diameter is bigger than the external diameter of turntable shaft 70, so that utilize the draw of aftermentioned driving component to force turntable shaft 70 to descend.
Central authorities at above-mentioned the 6th gear 209 are equipped with through hole 209a, and this through hole has the D word shape inner peripheral surface bigger than the D word shape outer peripheral face of turntable shaft 70, so that carry out lifting along with the rotation of turntable shaft 70.
On above-mentioned case cover member 205 and substrate 213, have respectively towards the crooked and integrally formed lip portions (not shown) of lateral direction so that they in conjunction with the time by securing member the side that both join is combined.
Form cogged tooth 410a on the lower end outer peripheral face of rotating cam 410, so that be meshed with octadentate wheel 217.On the outer peripheral face of the upper end of rotating cam 410, be formed with inclined wall 410b, be convenient to turntable shaft 70 and carry out elevating movement with predetermined angular.On this inclined wall 410b, be formed with recessed hemispheric inclined plane face 410c, so that during rotating cam 410 rotation, turntable shaft 70 often is in contact member 400 (this contact member fusion adheres to the lower end of turntable shaft 70) carries out elevating movement under the contact condition.Be formed with a plurality of draw-in groove 410d on the edge of flat in the above at regular intervals, so that utilize the elastic force effect that the aftermentioned driving component is combined on the edge of above-mentioned flat.
This advances, and above-mentioned inclined wall 410b forms ring-type, is the inclined plane that a side increases gradually, opposite side is low above it.To be combined in sliding of turntable shaft 70 bottoms in order making, on inclined wall 410b, to be formed with tendency track 410c by touching member 400.
On rotating cam 410, be combined with driving component 420, when turntable shaft 70 being descended, because when being applied to inclined to one side load on the turntable shaft 70 and causing turntable shaft 70 not descend, driving component 420 can be forced turntable shaft 70 declines by rotating cam 410 rotation.
That is to say that the top of driving component 420 by rotating cam 410 is inserted and when being positioned at inclined wall 410b inner periphery, form circular shell 420a (this circular shell has and uneven corresponding inclination angle above the inclined wall 410b) above it.Rotating cam 410 on housing 420a a side around when rotating, in order to force turntable shaft 70 to descend, then half garden shape is drawn protruding 420b (this projection is used to draw the stop protrusion 400a of the contact member 400 that is combined in turntable shaft 70 bottoms) and bend to the right angle laterally.On the assigned position around below housing 420a, give prominence to and be provided with a plurality of fixed lobe 420c, so that driving component 420 is combined on the rotating cam 410, this driving component 420 is to insert formed a plurality of draw-in groove 410d's on the par of rotating cam 410 accordingly and flexibly.
At this moment, traction projection 420b as shown in figure 12, when the rotation by rotating cam 410 descends turntable shaft 70, for with the stop protrusion 400a of the bottom contact member 400 of turntable shaft 70 to pressing down, draw in 360 ℃ of distances of protruding 420b on inclined plane face 410c and between minimum inclination interval, carry out bending from high dip interval.
That is to say, the interval R1 that utilizes above-mentioned traction projection 420b that turntable shaft is descended has formed extension L1, the L2 of specific length at two ends, so that make turntable shaft decline district R1 have the interval longer than the first transition R2 of turntable shaft 70, wherein extension L1 in accordance with regulations angle be inclined upwardly and bend to inlet port so that the protruding 400a of the combination of contact member 400 enters the last transition R1 of above-mentioned turntable shaft easily.
Among the figure, reference symbol 231 is located at a side, the expression first sensor of aforesaid substrate 213, when turntable shaft 70 drops to lower position, and can this position of perception; 232 are provided in a side of second sensor of case cover member 205 1 sides, and when above-mentioned the 7th gear 211 rotation, 232 are blocked by the projection shown in the figure (this projection forms on the 7th gear 211), can control the rotating speed of first motor 207.
Introduce the descending operation of the driving device for rotary desk of microwave oven intermediate station axle 70 of the embodiments of the invention 3 that adopt this structure below, at first, in the early stage under the stand-by state, when first sensor 231 perceives turntable shaft 70 when dropping to extreme lower position, motor reel rotates along with the driving of second motor 215, along with the rotation of this motor reel, octadentate wheel 217 rotate, makes and be engaged on the rotating cam 410 that octadentate takes turns on 217 and rotate towards a direction (for example direction) to the left on one side.
At this moment, the rotation of above-mentioned rotating cam 410 limits, limit change the difference in height of the inclined wall 410b that forms thereon, and at this moment turntable shaft 70 is carried out elevating movement simultaneously repeatedly along hemispherical inclined plane face 410c, with a way of contact slip.Above-mentioned hemispherical inclined plane face 410c forms like this, being above contact member 400 (this contact member is to be combined into one with lower end and this turntable shaft of fusion sticking method in turntable shaft) hemispheric, is dented and form on above-mentioned inclined wall 410b.
That is to say, by rotating cam 410 direction rotation to the left, when the inclined plane face 410c of C part passes through the bottom of turntable shaft 70, turntable shaft 70 is in the state of maximum height as shown in figure 12, begin the turntable shaft last transition R1 that is connected to inclined plane face 410c with the inclined plane face 410c of H part and I part from the inclined plane face 410c of C part, when passing through the bottom of turntable shaft 70 successively, this turntable shaft 70 slowly descends, and when the inclined plane face 410c of I part arrived the bottom of turntable shaft 70, this turntable shaft just was in the state of minimum altitude.Begin the turntable shaft first transition R2 that is connected to inclined plane face 410c with the inclined plane face 410c of J part and G part from the inclined plane face 410c of I part, when passing through the bottom of turntable shaft 70 successively, this turntable shaft 70 slowly rises, when the inclined plane face 410c of G part arrives the bottom of turntable shaft 70, this turntable shaft just rises to the J peak, operates so repeatedly.
At this moment, when the inclined plane face 410b of the G of rotating cam 410 part passed through the bottom of turntable shaft 70, as shown in figure 13, the protruding 400a of combination that is combined in the contact member 400 of turntable shaft 70 bottoms only was located on the turntable shaft last transition R1 of inclined plane 410c.The end of the traction projection 420b of driving component 420 (this driving component and rotating cam 41 together rotate) angle in accordance with regulations is bent upwards formation extension L1, because this extension L1 has been arranged, therefore enter into easily in the middle of traction projection 420b and the inclined plane face 410c, and can force turntable shaft 70 to descend.
In addition, enter turntable shaft 70 in the middle of traction projection 420b and the inclined plane face 410c when passing through the last transition R1 of turntable shaft, as shown in figure 15, owing to force to descend, so can avoid on turntable shaft 70, producing load partially, the misoperation that causes this turntable shaft can not depend on own wt to descend owing to be placed on the food imbalance on the turntable 9.
In addition, behind the R1 of turntable shaft last transition, when the first transition R2 of turntable shaft is too much by the bottom of turntable shaft 70, shown in Figure 14, at this moment turntable shaft 70 is not subjected to the intervention of driving component 420, and the inclined plane face 410c of the rotating cam 410 that increases gradually by gradient forces to rise.
At this moment, to the control of the corresponding position of height of above-mentioned turntable shaft 70, be to be undertaken by the rotating speed of second motor 215 is controlled.
Introduce rotatablely moving of turntable shaft 70 below, drive first motor 207, the rotation of motor reel limit, limit make the 7th gear 211 rotations that are combined on this motor reel, the rotation of the 7th gear 211 limits, limit make the 6th tooth 209 rotations that are engaged on its outer peripheral face, the rotation of the 6th gear 209 limits, limit rotate the turntable shaft 70 in the through hole 209a that is inserted into the 6th gear 209 simultaneously, also rotate so be combined in the turntable 9 of turntable shaft 70 upper ends.
Therefore, turntable shaft 70 is along the inclined plane face 410c lifting of rotating cam 410 time, along with the rotation of the 6th gear 209, turntable shaft 70 also is rotated simultaneously, like this, what turntable 9 was carried out is three-dimensional motion, promptly also is rotated motion when carrying out elevating movement.
As mentioned above, adopt the driving device for rotary desk of microwave oven of the embodiment of the invention 6, with first, second motor 207,215 are located at the side on the relative direction of the left and right sides, wherein the driving force of first motor 207 is passed to the 6th gear 209, makes turntable shaft 70 rotations, so turntable 9 is also rotated; The driving force of second motor 21 5 is passed to rotating cam 410, makes turntable shaft 70 along inclined plane face 410c lifting, so can make turntable 9 liftings, since be this structure, thus following effect can be obtained, promptly simple in structure, amount of parts reduces, thereby can reduce manufacturing cost.
In addition, when first motor 207 is assembled on case cover member 205, make the 7th gear 211 and 209 engagements of the 6th gear, when second motor 215 is assembled on substrate 213, make octadentate wheel 217 and rotating cam 410 engagements, then with a plurality of clamp structures 229 above-mentioned case cover member 205 and substrate 213 mutually during assembling, the contact member 400 of turntable shaft 70 lower ends can automatically be contained on the inclined plane face 410c of rotating cam 410, owing to be this structure, so also can obtain following effect, promptly do not need to spend the Assembling gear in man-hour, thereby can further improve operating efficiency.
In addition, when turntable shaft 70 descends along the inclined plane face 410c of rotating cam 410, owing to be placed on the food imbalance on the turntable 9, make the load that is applied on the turntable shaft 70 unbalanced, cause turntable shaft 70 can not lean on own wt to descend smoothly, and the present invention's rotating cam 410 is provided with driving component 420, can force to descend to turntable shaft 70.Owing to be this structure, so can obtain following effect, promptly bootable turntable shaft 70 is successfully carried out lifting, can also prevent to produce simultaneously misoperation.
Claims (17)
1, a kind of driving device for rotary desk of micro-wave oven is characterized in that it has the turntable shaft that makes turntable rotation or lifting; Can make first motor of turntable shaft rotation after the starting; Be separately positioned on the turntable shaft and first motor and be meshing with each other, so that utilize the power of first motor to make the 6th, the 7th gear of above-mentioned turntable shaft rotation; Can make above-mentioned turntable shaft carry out second motor of lifting after the starting; Be located at respectively on second motor and the turntable shaft,, make turntable shaft carry out the intermeshing octadentate wheel and the rotating cam of lifting to utilize the power of this second motor.
2, the driving device for rotary desk of micro-wave oven as claimed in claim 1 is characterized in that it has the tooth of the gear of such formation, and the tooth of this gear forms on above-mentioned rotating cam, takes turns being meshed with above-mentioned octadentate at the outer peripheral face of this rotating cam; Have predetermined angular and rake that make above-mentioned turntable shaft lifting, this rake is to form in the upper end of rotating cam; By the hemispherical inclined plane face that lifting is rotated and carried out in the sliding-contact of turntable shaft, it is to form on the edge part of rake.
3, driving device for rotary desk of microwave oven as claimed in claim 1 is characterized in that it has hemisphere face, and this hemisphere face forms on above-mentioned turntable shaft, so that an end of turntable shaft slides along the inclined plane of above-mentioned rotating cam easily.
4, driving device for rotary desk of microwave oven as claimed in claim 1 is characterized in that being provided with in the outside of above-mentioned the 6th gear and makes the turntable shaft rotation, makes the bearing of its lifting simultaneously; Be provided with and be used for spring bearing and prevent the retainer member that above-mentioned turntable shaft is moved about.
5, a kind of driving device for rotary desk of microwave oven is characterized in that it has the turntable shaft that makes turntable rotation or lifting; Be embedded on the turntable shaft and transmit the power of drive source, make the travelling gear of above-mentioned turntable shaft rotation; Be embedded on the above-mentioned turntable shaft, and be the upper and lower sides journal member that rotatably is located at the upper and lower sides of above-mentioned travelling gear; Hold and support the retainer member of above-mentioned travelling gear and the rotation of upper and lower sides journal member.
6, driving device for rotary desk of microwave oven as claimed in claim 5 is characterized in that it has annular projection, and this projection is inserted in the upper and lower sides journal member of above-mentioned travelling gear top and bottom.
7, as claim 5 or 6 described driving device for rotary desk of microwave oven, it is characterized in that it has the groove that is embedded in the upper and lower sides journal member, these grooves be respectively with the top and bottom of the top and bottom of journal member, travelling gear on formed projection corresponding.
8, driving device for rotary desk of microwave oven as claimed in claim 5 is characterized in that the upper and lower sides journal member of this device is made up of plastic member.
9, driving device for rotary desk of microwave oven as claimed in claim 5 is characterized in that the upper and lower sides journal member of this device is made of the metal that the surface is coated with teflon.
10, a kind of driving device for rotary desk of microwave oven is characterized in that it has first motor that is located on the case cover member and makes the turntable shaft rotation that is combined on the above-mentioned turntable; Be located at second motor on the substrate with the first motor relative direction; Be located on the aforesaid substrate,, make the rotating cam of above-mentioned turntable shaft rotation so that transmit the power of second motor; Be located at the driving component on the rotating cam, when turntable shaft descended along with the rotation of rotating cam, if owing to being applied to that load on the turntable shaft is unbalanced to cause turntable shaft not descend, driving component can force its to descend.
11, driving device for rotary desk of microwave oven as claimed in claim 10, the bottom fusion adhesion that it is characterized in that the turntable shaft of this device has contact member (this member and turntable shaft form one), so that when utilizing tractive force that above-mentioned driving component is descended, turntable shaft is descended simultaneously.
12, as the driving device for rotary desk of microwave oven of stating of claim 11, it is characterized in that on the upper end periphery of the contact member of this device, being provided with in conjunction with projection, this protruding external diameter is bigger than the external diameter of above-mentioned turntable shaft.
13, driving device for rotary desk of microwave oven as claimed in claim 10 is characterized in that this drive unit has the tooth of formed gear on the outer peripheral face of above-mentioned rotating cam lower end; The inclined wall with predetermined angular that forms on the periphery on rotating cam makes above-mentioned turntable shaft carry out elevating movement; The recessed hemispherical inclined plane face that on inclined wall, forms, when rotating cam rotated on inclined wall, turntable shaft often with under the contact member state of contact of the lower end that is combined in above-mentioned turntable shaft was being carried out lifting; The a plurality of draw-in grooves that form on the edge of the flat on inclined plane are combined in driving component on the edge of the flat above the inclined plane so that utilize the snap action of above-mentioned elastic force.
14, driving device for rotary desk of microwave oven as claimed in claim 10, the driving component that it is characterized in that this device has circular shell, this housing by above-mentioned rotating cam top and be positioned on the inner periphery of above-mentioned inclined wall, and have above it and uneven corresponding angle of inclination above the inclined wall; Half garden ring-type traction projection, it makes housing crooked laterally and forms, above-mentioned rotating cam on housing a side around when being rotated, can make turntable shaft force decline; A plurality of fixed lobes, these fixed lobes are corresponding with a plurality of draw-in grooves that form on the flat part of above-mentioned rotating cam, and they flexibly are inserted on the following assigned position on every side of housing, and driving component is combined with rotating cam.
15, the driving device for rotary desk of micro-wave oven as claimed in claim 14, it is characterized in that above-mentioned traction projection be in the distance of 360 ℃ of the inclined planes of above-mentioned rotating cam from high dip interval to tortuous forming the minimum inclination interval.
16, driving device for rotary desk of microwave oven as claimed in claim 14, it is characterized in that the two ends in the last transition of above-mentioned traction projection turntable shaft are formed with the extension of specific length, make the last transition of turntable shaft have the interval longer than the first transition of turntable shaft.
17, driving device for rotary desk of microwave oven as claimed in claim 16, it is characterized in that above-mentioned extension is bent upwards into inlet port with predetermined angular, so that make the combination projection of the contact member that is combined in above-mentioned turntable shaft bottom enter the last transition of turntable shaft easily.
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR19950023596 | 1995-08-31 | ||
| KR23596/95 | 1995-08-31 | ||
| KR27841/95 | 1995-10-05 | ||
| KR19950027841 | 1995-10-05 | ||
| KR19960008920 | 1996-03-28 | ||
| KR8920/96 | 1996-03-28 | ||
| KR12030/96 | 1996-04-19 | ||
| KR1019960012030A KR100210066B1 (en) | 1995-08-31 | 1996-04-19 | Apparatus for driving the turn table of a microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1149689A true CN1149689A (en) | 1997-05-14 |
| CN1085818C CN1085818C (en) | 2002-05-29 |
Family
ID=27483078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96111777A Expired - Fee Related CN1085818C (en) | 1995-08-31 | 1996-08-28 | Driving device for rotary desk of microwave oven |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2859586B2 (en) |
| KR (1) | KR100210066B1 (en) |
| CN (1) | CN1085818C (en) |
| GB (1) | GB2305093B (en) |
| MY (1) | MY113875A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478010A (en) * | 2018-05-30 | 2018-09-04 | 深圳市西啡科技有限公司 | A kind of double transmission brewing devices of beverage preparing machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756583B1 (en) * | 1999-09-22 | 2007-09-10 | 삼성전자주식회사 | Microwave oven with a plurality of rotatable trays |
| JP4891251B2 (en) * | 2005-10-18 | 2012-03-07 | 平田機工株式会社 | Suction head device |
| TWI385333B (en) * | 2009-12-21 | 2013-02-11 | Hon Hai Prec Ind Co Ltd | Electronic device and rotation apparatus thereof |
| US11708977B2 (en) | 2021-03-10 | 2023-07-25 | Haier Us Appliance Solutions, Inc. | Oven appliance with turntable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1092484A (en) * | 1965-04-08 | 1967-11-22 | Microtherm Ltd | Improvements in and relating to electronic heating devices |
| US4725703A (en) * | 1985-11-27 | 1988-02-16 | Gold Star Co., Ltd. | Turn table for use in a microwave range |
| GB2205144B (en) * | 1987-05-28 | 1991-05-01 | Gold Star Co | Up-and-down moving turntable for a microwave oven |
| JP3195938B2 (en) * | 1994-07-22 | 2001-08-06 | シャープ株式会社 | microwave |
-
1996
- 1996-04-19 KR KR1019960012030A patent/KR100210066B1/en not_active IP Right Cessation
- 1996-08-28 CN CN96111777A patent/CN1085818C/en not_active Expired - Fee Related
- 1996-08-28 JP JP8227039A patent/JP2859586B2/en not_active Expired - Fee Related
- 1996-08-30 MY MYPI96003622A patent/MY113875A/en unknown
- 1996-09-02 GB GB9618318A patent/GB2305093B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478010A (en) * | 2018-05-30 | 2018-09-04 | 深圳市西啡科技有限公司 | A kind of double transmission brewing devices of beverage preparing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR980003201A (en) | 1998-03-30 |
| JPH09119651A (en) | 1997-05-06 |
| KR100210066B1 (en) | 1999-07-15 |
| GB2305093B (en) | 2000-07-26 |
| GB2305093A (en) | 1997-03-26 |
| GB9618318D0 (en) | 1996-10-16 |
| CN1085818C (en) | 2002-05-29 |
| JP2859586B2 (en) | 1999-02-17 |
| MY113875A (en) | 2002-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1291178C (en) | Friction-wheel planetary gear converting rotatin movement into back and forth movment with decreased frequency | |
| CN86105696A (en) | The driving head of manipulator | |
| CN110834888B (en) | Feeding robot | |
| CN1233540C (en) | Goods conveyer | |
| CN1090731C (en) | Gear for turn table microwave oven | |
| CN1085818C (en) | Driving device for rotary desk of microwave oven | |
| CN111924523A (en) | Blanking mechanism on battery piece | |
| CN1683108A (en) | Tilting rotary table | |
| CN1109147C (en) | X-Y feed drive device for sewing machine | |
| CN2672379Y (en) | Automatic motor output turning system | |
| CN111021197A (en) | Trowelling machine | |
| CN1263934C (en) | Power tailgate apparatus | |
| CN106181317A (en) | A kind of oscillating bearing inner ring press-fits intermittent indexing mechanism | |
| CN214362564U (en) | Wet paper fiber molding machine | |
| CN210613703U (en) | Mixing stirring device is used in production of clay stabilizer | |
| CN209440401U (en) | The link mechanism of the Manpower driver of pottery Blank drawing machine | |
| CN216440483U (en) | High-efficient agitating unit is used in lubricating grease processing | |
| CN217097779U (en) | Multi-degree-of-freedom industrial robot | |
| CN112713028B (en) | Automatic intelligent system of making of intelligent power rice grain | |
| CN214635820U (en) | Silicone sealant base material efficient stirring reaction device | |
| CN214454757U (en) | Transport mechanism and transfer line subassembly | |
| CN218358797U (en) | Artificial quartz stone raw material stirring device | |
| CN217457459U (en) | Piston rod feeding machine | |
| CN215200500U (en) | Automatic rubber ring assembling device | |
| CN214915091U (en) | Variable-speed-adjustable and controllable feed processing impeller feeder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020529 Termination date: 20090928 |