Summary of the invention
The main purpose of the present invention is to provide a kind of pot cover and with its pressure cooker, to solve pot in the prior artCover the unstable problem of transmission ratio when rotated.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of pot cover, retractable to be covered on potBody, pot body are equipped with pot tooth, and pot cover includes: pot cover main body, and pot cover main body is provided with the lid teeth with pot tooth cooperation；Pot cover support portion,Pot cover support portion is arranged in pot cover main body, and pot cover support portion is fixed with pot body and limits and circumferentially rotate；Drive mechanism, transmissionStructure includes mutually matched gear set, and gear set is arranged between pot cover support portion and pot cover main body, gear set and pot cover masterBody is connected, to drive pot cover main body to rotate relative to pot cover main body around central shaft by drive mechanism.
Further, drive mechanism also Packet driven portion, gear set include the first gear being connected with driving portion and withThe second gear that one gear matches, second gear are connected with pot cover main body, to link with pot cover main body.
Further, pot cover support portion includes shell, and pot cover further includes bottom plate, and bottom plate is fixedly connected with shell and forms appearanceReceive space, drive mechanism is arranged in accommodation space, and drive mechanism further includes the fixing axle fixed with second gear, and fixing axlePot cover main body is fixed on after bottom plate.
Further, driving portion includes pivotal axis, and the central axis of pivotal axis and the central axis of pot cover main body are perpendicular, and firstGear is located on pivotal axis, the central axis of second gear and the central axis of first gear, and second gear and first gearFor external toothing transmission.
Further, the first gear hole and the second gear hole are provided on pivotal axis, drive mechanism further includes elastic jacking block,First gear hole and the second gear hole cooperate with elastic jacking block respectively with pivot axis.
Further, be additionally provided with block on pivotal axis, block with pivot axis and with pot cover support portion phase contact,So that pot cover main body is in the open state, block is in contact with pot cover support portion.
Further, driving portion includes pivotal axis, and the central axis of pivotal axis and the central axis of pot cover main body coincide, and firstGear is located on pivotal axis, and first gear and second gear are inside engaged gear transmission.
Further, third gear is additionally provided on pivotal axis, pot cover further includes the operation portion for exposing to pot cover support portion,The central axis of operation portion is parallel with the central axis of pot cover main body, and operation portion can move up and down along central shaft, on operation portionEquipped with the rack gear engaged with third gear.
Further, operation portion includes lid-opening button component and closing lid button assembly, and rack gear is two, is separately positioned on outOn the periphery of lid button assembly and closing lid button assembly, lid-opening button component and closing lid button assembly are separately positioned on third gearOpposite two sides, third gear include respectively with the spaced two sections of teeth portion of lid-opening button component and closing lid button assembly.
Further, spaced 4th gear and the 5th gear are additionally provided on pivotal axis, pot cover further includes differenceThe lid-opening button component and closing lid button assembly of pivotal axis two sides be set, lid-opening button component and closing lid button assembly and pot coverThe central axis of main body is parallel, be provided on the lid-opening button component and closing lid button assembly of pivotal axis two sides respectively with the 4th toothThe rack gear of wheel and the engagement of the 5th gear.
According to another aspect of the present invention, a kind of pressure cooker is provided, including the pot cover that pot body and lid are located in pot body, potLid is above-mentioned pot cover.
It applies the technical scheme of the present invention, when using pot cover, drive mechanism drives pot cover body rotation.Transmission knotStructure is gear set transmission, this makes the transmission ratio of drive mechanism more stable.Technical solution of the present invention efficiently solves existingThere is pot cover in the technology unstable problem of transmission ratio when rotated.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention showsExamples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic perspective view of the embodiment one of pressure cooker according to the present invention；
Fig. 2 shows the schematic cross-sectional views of Fig. 1；
Fig. 3 shows enlarged diagram at the A of Fig. 2；
Fig. 4 shows the structural schematic diagram of the pot cover main body of Fig. 1；
Fig. 5 shows the structural schematic diagram of the pot cover support portion of Fig. 1；
Fig. 6 shows the structural schematic diagram of the first gear of Fig. 1；
Fig. 7 shows the schematic cross-sectional view of the pot cover support portion of Fig. 1；
Fig. 8 shows another angle schematic diagram of the pot cover support portion of Fig. 1；
Fig. 9 shows the schematic diagram of internal structure of the pot cover of Fig. 1；
Figure 10 shows the structural schematic diagram of the rotating plate of Fig. 1；And
Figure 11 shows the schematic perspective view of the embodiment two of pressure cooker according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, pot cover main body；11, positioning column；20, pot cover support portion；21, shell；22, bottom plate；23, elastic jacking block；24, onlyTurn trough；30, drive mechanism；31, gear set；311, first gear；312, second gear；313, elastic component；32, rotating plate；33, it drivesSwing arm；40, driving portion；41, operation portion；42, lid-opening button component；43, closing lid button assembly；44, pivotal axis；441, first gradePosition hole；442, the second gear hole；443, block；50, pot body.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phaseMutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless anotherIt indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical fieldThe identical meanings of understanding.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top "," ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spyThe spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figureExcept different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devicesIt will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), andAnd respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplaryEmbodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth hereinFormula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shownThe design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layerWith the thickness in region, and make that identical device is presented with like reference characters, thus description of them will be omitted.
As shown in Figures 1 to 10, the pot cover of embodiment one is retractable is covered on pot body 50, and pot body 50 is equipped with pot tooth, pot coverIt include: pot cover main body 10, pot cover support portion 20 and drive mechanism 30.Pot cover main body 10 is provided with the lid teeth with pot tooth cooperation.PotLid support portion 20 is arranged in pot cover main body 10, and pot cover support portion 20 is fixed with pot body 50 and limits and circumferentially rotate.Transmission knotStructure 30 includes mutually matched gear set 31, and gear set 31 is arranged between pot cover support portion 20 and pot cover main body 10, gear set31 are connected with pot cover main body 10, to drive pot cover main body 10 relative to pot cover main body 10 around central shaft by drive mechanism 30Rotation.
The technical solution of Application Example one, when using pot cover, drive mechanism 30 drives pot cover main body 10 to rotate.Drive mechanism 30 is the transmission of gear set 31, this makes the transmission ratio of drive mechanism 30 more stable.Technical solution of the present invention hasSolving the problems, such as pot cover in the prior art to effect, transmission ratio is unstable when rotated.
As shown in Fig. 6 to Figure 10, in the technical solution of embodiment one, drive mechanism 30 further includes driving portion 40, gearGroup 31 includes the first gear 311 being connected with driving portion 40 and the second gear 312 matched with first gear 311, and secondGear 312 is connected with pot cover main body 10, to link with pot cover main body 10.Pot cover main body 10 is the structure of rotation, this makes theThe setting of one gear 311 and second gear 312 extraordinary can be adapted with pot cover main body 10 motion profile.
As shown in Figures 1 to 6, in the technical solution of embodiment one, 441 He of the first gear hole is provided on pivotal axis 44Second gear hole 442, drive mechanism 30 further include elastic jacking block 23, and the first gear hole 441 and the second gear hole 442 are with pivotAxis 44 rotates and cooperates respectively with elastic jacking block 23.Above structure is allowed the operator to through operation perception pot cover and pot bodyCooperation.Block 443 is additionally provided on pivotal axis 44, in the open state, block 443 and pot cover support portion 20 cooperate pot coverIt abuts, in this way when lifting pot cover, the contact area of pivotal axis 44 and pot cover support portion 20 is bigger.
As shown in Fig. 6 to Figure 10, in the technical solution of embodiment one, the center of circle of second gear 312 is in pot cover main body 10Central axis on so that the central angle that the central angle that turns over of first gear 311 and pot cover main body 10 turn over is identical.Above structureSecond gear 312 is identical with the track of the central angle of the movement of pot cover main body 10, such second gear 312 and pot cover main body 10Rotation synchronizes, and above structure makes the operation of operator more convenient and can intuitively feel what pot cover main body 10 was turned overCentral angle size.
As shown in Fig. 8 to Figure 10, in the technical solution of embodiment one, drive mechanism 30 further includes rotating plate 32, rotating plate 32It is fixedly connected with pot cover main body 10, second gear 312 is coaxially fixed on rotating plate 32.On the one hand the setting of rotating plate 32 ensure that toothThe transmission of wheel group 31 is more stable, and the setting of another aspect rotating plate 32 also facilitates the installation of drive mechanism 30, cooperation.SpecificallyGround, 312 lower part of second gear are equipped with elastic component 313, in this way can with the abrasion of first gear 311 and second gear 312,Elastic component 313 pops up, so that first gear 311 and second gear 312 preferably cooperate.Certainly, as art technologyPersonnel know, second gear 312 is that tooth is arranged on rotating plate 32 and is formed also possible, can save procedure of processing in this way,It only needs to make second gear 312, without making rotating plate 32 again.In the technical scheme of this embodiment, the second toothWheel 312 is planar structure.The also actuating arm 33 that rotating plate 32 is connected, the free end of actuating arm 33 is provided with through-hole, pot cover main bodyThere is the pillar being threaded through in through-hole on 10.
As shown in Fig. 8 to Figure 10, in the technical solution of embodiment one, pot cover support portion 20 includes shell 21, and pot cover is alsoIncluding bottom plate 22, bottom plate 22 is fixedly connected with shell 21 and forms accommodation space, and drive mechanism 30 is arranged in accommodation space, passesDynamic structure 30 further includes the fixing axle fixed with second gear 312, and fixing axle is fixed on pot cover main body 10 after bottom plate 22.Above structure facilitates the installation of drive mechanism 30.The setting of bottom plate 22 facilitates the cooperation of the support to rotating plate 32.
As shown in Figures 1 to 5, in the technical solution of embodiment one, driving portion 40 includes pivotal axis 44, pivotal axis 44Central axis and the central axis of pot cover main body 10 are perpendicular, and first gear 311 is located on pivotal axis 44, the center of second gear 312The central axis of axis and first gear 311, and second gear 312 and first gear 311 are external toothing transmission.Above structure addsWork is easy, easy to assembly.Certainly, as one skilled in the art will appreciate that first gear 311 and second gear as the case may beBe set as inside engaged gear transmission it is also possible, specifically: driving portion 40 include pivotal axis 44, the central axis of pivotal axis 44 andThe central axis of pot cover main body 10 coincides, and first gear 311 is located on pivotal axis 44, and first gear 311 and second gear 312 areInside engaged gear transmission.
In other embodiments, third gear is additionally provided on pivotal axis 44, third gear and first gear 311 are spacedSetting.Pot cover further includes the operation portion 41 for exposing to pot cover support portion 20, in the central axis and pot cover main body 10 of operation portion 41Mandrel is parallel, and operation portion 41 can move up and down along central shaft, and operation portion 41 is equipped with the rack gear engaged with third gear.Rack gear and third when operating direction up and down motion of the operation portion 41 along the central axis of parallel pot cover main body 10, on operation portion 41Gear cooperate, to drive pivotal axis 44 to rotate clockwise or counterclockwise, thus drive pot cover relative to pot body 50 open orPerson is sealed.
More specifically, Figure 11 is please referred to, in the technical solution of embodiment two, operation portion 41 includes lid-opening button component42 and closing lid button assembly 43, lid-opening button component 42 and closing lid button assembly 43 it is parallel with the central axis of pot cover main body 10.ToothItem is two, is separately positioned on the periphery of lid-opening button component 42 and closing lid button assembly 43, lid-opening button component 42 and conjunctionLid button assembly 43 is separately positioned on the opposite two sides of third gear, third gear include respectively with lid-opening button component 42 and close43 spaced two sections of teeth portion of lid button assembly.Wherein, third gear includes two sections of teeth portion being arranged at intervals on pivotal axis,And two sections of teeth portion are engaged with the rack gear on lid-opening button component 42 and closing lid button assembly 43 respectively.Lid-opening button component 42 drivesDynamic first gear 311 rotates clockwise, and closing lid button assembly 43 drives first gear 311 to rotate counterclockwise.Lid-opening button component42 and the setting of closing lid button assembly 43 further facilitate operation of the operator to pot cover, operator only need to be by pressingThe opening or sealed of pot cover and pot body 50 can be realized in pressure.Certainly, use when control handle is only used as picking and placing pot cover.
In other more specifically embodiments, operation portion 41 includes lid-opening button component 42 and closing lid button assembly43, lid-opening button component 42 and closing lid button assembly 43 are parallel with the central axis of pot cover main body 10.Rack gear is two, is respectively setOn the periphery of lid-opening button component 42 and closing lid button assembly 43.Spaced 4th gear is additionally provided on pivotal axis 44With the 5th gear, the rack gear on lid-opening button component 42 and closing lid button assembly 43 is engaged with the 4th gear and the 5th gear respectivelyTransmission.In order to avoid interference, the 4th gear and the entire gear of the 5th gear not instead of one, a part of gear, in other words: theTooth on four gears and the 5th gear is not to surround circle, but surround arc；Or the 4th gear and the 5th gear tooth rootDiameter of a circle is different.Lid-opening button component 42 drives first gear 311 to rotate clockwise, and closing lid button assembly 43 drives the first toothWheel 311 rotates counterclockwise.The setting of lid-opening button component 42 and closing lid button assembly 43 further facilitates operator coupleThe opening or sealed of pot cover and pot body 50 need to only can be realized in the operation of pot cover, operator by pressing.Certainly, handle is controlledUse when hand is only used as picking and placing pot cover.
It should be noted that above-mentioned rack gear be also possible to lid-opening button component 42 and closing lid button assembly 43 setting alongThe tooth of axial arranging, thus the rack gear formed.
Present invention also provides a kind of pressure cooker, the pot cover being located in pot body 50 including pot body 50 and lid.Pot cover is above-mentionedPot cover.It is provided with anti-rotation block on the handle of pot body 50, the rotation stop groove 24 matched with anti-rotation block is provided on pot cover support portion,It can prevent pot cover support portion from rotating with the rotation of pot cover main body in this way.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted rootAccording to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singularAlso it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packetInclude " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this wayData be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to hereinSequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended thatBe to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units notThose of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, sideThe intrinsic other step or units of method, product or equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this fieldFor art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repairChange, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.