Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below byThe embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicalityThe limitation of type.
The cover assembly 100 according to the electric pressure cooking saucepan of the utility model embodiment is described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to shown in Figure 14, it can be included according to the cover assembly 100 of the electric pressure cooking saucepan of the utility model embodimentUpper lid body 10, rotary chuck 20, two buckling pieces 30, two pillars 40 and two elastic components 50.Certainly, buckling piece 30, branchThe quantity not limited to this of post 40 and elastic component 50, can be set as the case may be, but buckling piece 30, pillar 40 quantity at leastNo less than two, the quantity of elastic component 50 is at least one.
Rotary chuck 20 is pivotly connected with upper lid body 10, that is to say, that rotary chuck 20 and the upper phase of lid body 10Even, it is and pivotable relative to upper lid body 10.Rotary chuck 20 can be located at the top of upper lid body 10, and rotary chuck 20 can be withIt is connected by rotating shaft with upper lid body, is used to make the axle that rotating shaft is passed through as shown in figure 1, the middle part of rotary chuck 20 can be provided withHole.Provided with two necks, (quantity of neck can set more than two as the case may be to rotary chuck 20, and multiple necks canWith the setting that is spaced from each other, can also be interconnected, i.e., multiple necks can be connected to form as a groove), each neck differenceBe formed as arc-shaped slot 201, multiple arcs neck 201 is circumferentially distributed along rotary chuck 20, each arc-shaped slot 201 relative toThe center eccentric setting of rotary chuck 20, in other words, the center of each arc-shaped slot 201 are not weighed with the center of rotary chuck 20Close, the direction of the extension of each arc-shaped slot 201 is not the circumference along rotary chuck 20, but relative to rotary chuck 20Peripheral, oblique extends.
Multiple buckling pieces 30, multiple pillars 40, multiple elastic components 50 and multiple arcs neck 201 are corresponded respectively.Each buckling piece 30 is respectively adapted to the outer pot fastening with electric pressure cooking saucepan, multiple buckling pieces 30 movably with the upper phase of lid body 10Even, that is to say, that multiple buckling pieces 30 are connected with upper lid body 10, and movable relative to upper lid body 10.Multiple pillars40 are connected to drive the activity of buckling piece 30 with corresponding buckling piece 30, multiple pillars 40 coordinate with corresponding arc-shaped slot 201 andBearing of trend relative to the arcuately neck 201 of arc-shaped slot 201 is movable.
When the stress of rotary chuck 20 is along itself axially pivoting, the opposite legs 40 of arc-shaped slot 201 are rotated, due to arcNeck 201 is relative to the center eccentric setting of rotary chuck 20, therefore arc-shaped slot 201 can apply radially to pillar 40Power, so as to drive the buckling piece 30 being attached thereto being radially moved in rotary chuck 20, realize with the fastening of outer pot orSeparation, makes electric pressure cooking saucepan realize closing lid or uncap.
Multiple elastic components 50 are located between the outer peripheral face of corresponding pillar 40 and the inner peripheral surface of arc-shaped slot 201.Thus, whenWhen pillar 40 is moved relative to rotary chuck 20 in arc-shaped slot 201, pillar 40 will not be straight with the internal perisporium of arc-shaped slot 201Contact, but by the internal perisporium mediate contact of elastic component 50 and arc-shaped slot 201, elasticity can occur for the stress of elastic component 50Deformation, with certain buffering effect, can offset radial forces of the rotary chuck 20 to pillar 40, make what pillar 40 was subject toRadial forces reduce, so that the deformation of pillar 40 is reduced, while the elastic performance that elastic component 50 has in itself, moreover it is possible to effectively subtractAbrasion between few structural member, so as to lift their smooth rotation and stability, makes electric pressure cooking saucepan folding lid smooth, operatesNoise is small.
According to the cover assembly 100 of the electric pressure cooking saucepan of the utility model embodiment, pass through the outer peripheral face and arc of pillar 40Elastic component 50 is set between the internal perisporium of neck 201 so that the active force for the rotary chuck 20 that pillar 40 is subject to reduces, reduces branchAbrasion between the impaired and structure member of post 40, makes cover assembly 100 operate smoothness good and reliability height.
It is understood that the neck being arranged on rotary chuck 20 is not limited only to be formed as arc, for example, in this practicalityIn other new embodiments, neck can also be straight trough, and the bearing of trend of straight trough is changed without the center of rotary chuck 20Yan Zhi, neck not radially extending along rotary chuck 20, and relative to radial skew extension.Thus, when pillar 40 is in neckWhen interior mobile, pillar 40 being radially moved in rotary chuck 20, so as to drive buckling piece 30 to move radially realizationWith the fastening of outer pot or separating.
In addition, for it will be appreciated by persons skilled in the art that in the cover assembly 100 of the utility model embodimentIn, it is not necessary to elastic component 50 is set between the outer peripheral face of each pillar 40 and the internal face of neck., can be with to save costOnly select to set elastic component 50 between the outer peripheral face of some pillars 40 and the inner peripheral surface of neck some or certain, with targetedAvoid some or certain some pillars 40 and neck impaired.
It can be provided with what is radially extended in more preferably embodiment more of the present utility model, on upper lid body 10Multiple guide parts, multiple buckling pieces 30 slideably coordinate relative to upper lid body 10 with corresponding guide part.Guide part can be withGuiding, positioning and restriction effect are played in movement to buckling piece 30, allow buckling piece 30 accurate under the drive of pillar 40Ground along upper lid body 10 axially inwards or be displaced outwardly, so as to realize and the fastening of outer pot or separate, switch cover operation is accurateTrue and cover assembly 100 assembling accuracy is high.Alternatively, guide part can be formed as guide rail or guide groove etc..
Here, the radial direction of upper lid body 10 is referred to the axially vertical of upper lid body 10 and by upper lid body 10The bearing of trend of the straight line of the heart, when upper lid body 10 is formed as circle, the radial direction of upper lid body 10 is the direction of diameter, whenUpper lid body 10 is not circular, but during the shape such as square, the radial direction of upper lid body 10 is appreciated that to connect lid body 10Center and the bearing of trend of the straight line of the edge any point of upper lid body 10.
For example, as depicted in figs. 1 and 2, the upper overall oval in shape of lid body 10.Cover assembly 100 is also substantially in ellipseShape, the electric pressure cooking saucepan with the cover assembly 100 is oval pressure cooker, now, and the radial direction of upper lid body 10 is to pass through upper lidThe center of body 10 and with the bearing of trend of the axially vertical straight line of upper lid body 10.Specifically, for oval pressure cookerFor, each short axle portion of upper lid body 10 is provided with a buckling piece 30 and (is provided with two buckling pieces 30, it is of course possible to rootMore than two buckling piece 30 is set according to concrete condition).Two arc-shaped slots 201, each arc are provided with rotary chuck 20It is provided with card 201 on a pillar 40, each pillar and is arranged with an elastic component 50.For non-circular electric pressure cooking saucepanSpeech, the pressure-bearing of cover assembly 100 is not due to being full circle, discontinuity, buckling piece 30 is arranged on short axle portion also in that thisPlace stress more concentrate, buckling piece 30 can be more efficiently prevented from and extended out, it is to avoid buckling piece 30 in pot under steam pressure with outer potSeparation, occurs surprisingly to uncap, can improve the installation reliability of cover assembly 100, it is ensured that user uses safety.
Alternatively, elastic component 50 is set on pillar 40.Thus, not only it is more convenient for manufacturing and assembling, and Stability Analysis of StructuresProperty it is high.Reference picture 4 is to shown in Fig. 9, according to some embodiments of the present utility model, and elastic component 50 can include sleeve 51 and multipleElastic claw 42.Sleeve 51 is set on pillar 40, and at least one end of sleeve 51 is provided with multiple elastic claws 42, that is to say, that multipleElastic claw 42 can be located at the upper end or lower end of sleeve 51, or be arranged on the top and bottom of sleeve 51 simultaneously.Multiple elasticityPawl 42 can be along the circumferentially distributed of sleeve 51, in the axial direction along sleeve 51, and each elastic claw 42 can be outwards and to remoteThe direction of sleeve 51 tilts extension.That is, elastic claw 42 is simultaneously along the axially and radially extension of sleeve 51.
When pillar 40 is moved in arc-shaped slot 201, elastic claw 42 bear the radial forces of rotary chuck 20 andGeneration elastic deformation, so as to effectively offset the radial forces of rotary chuck 20, reduces the stress of pillar 40, effectively protection branchPost 40.In the embodiment shown in Fig. 4 to Fig. 9, the two ends of sleeve 51 are provided with six elastic claws 42, now, elastic component 50Top and bottom be all formed as the type structure that rises, the internal perisporium that the top and bottom of elastic component 50 can be with arc-shaped slot 201Only support, the stress of elastic component 50 is more balanced, deformation is steady, it is ensured that buckling piece 30 steady and swimmingly move.
Further, as shown in Figures 6 to 9, each elastic claw 42 includes inner fovea part 521 and male part 522, inner fovea part521 one end can be connected with sleeve 51, and the other end of inner fovea part 521 is connected with one end of male part 522, that is to say, that interiorRecess 521 is connected between male part 522 and sleeve 51.In the axial direction along remote sleeve 51, i.e., in the axial direction along sleeve 51And to away from sleeve 51 direction on, the angle between the tangent line of inner fovea part 521 and the axis of sleeve 51 gradually increases, male partAngle between 522 tangent line and the axis of sleeve 51 is gradually reduced.That is, inner fovea part 521 caves inward, and formedFor the outside sweep structure of the dorsad axis bending of sleeve 51, male part 522 is outwardly and is formed towards the axle of sleeve 51The interior warp architecture of line bending.
Thus, the morphotropism of elastic component 50 more preferably, can preferably offset radial effect of the rotary chuck 20 to pillar 40Power, simultaneous buffering effect more preferably, can preferably buffer impact of the rotary chuck 20 to pillar 40, more effectively protection pillar 40,And operate more smooth.
Alternatively, one end of the remote sleeve 51 of each elastic claw 42 is provided with the in-flanges 53 extended internally.That is,The one end of male part 522 away from inner fovea part 521 is provided with in-flanges 53, and the axis of in-flanges 53 towards sleeve 51 extends.In-flanges53 can make the structure of elastic component 50 rounder and more smooth.Further, in-flanges 53 and the round and smooth connection of elastic claw 42.In other words, varusSide 53 and the junction rounding off of elastic claw 42.Thus, it is possible to make the structure of elastic component 50 more round and smooth, profile it is more attractive andDismounting is safe.Alternatively, elastic claw 42 can be with the round and smooth connection of sleeve 51.Thus, it is possible to further improve elastic component 50Outward appearance and dismounting security.
As shown in Figure 6 to 8, one end of the neighbouring sleeve 51 of two neighboring elastic claw 42 is connected with each other.Thus, it is located at setMultiple elastic claws 42 of one end of cylinder 51, which can be connected, is formed as an entirety, makes the structural strength of elastic component 50 higher, and deformation is moreEquilibrium, morphotropism is good, and folding lid operation is more smooth and reliable.
Alternatively, elastic component 50 can be stainless steel part.That is, elastic component 50 can use stainless steel material systemInto for example, food-grade stainless steel.Thus, elastic component 50 is not only easily manufactured, advantage of lower cost, and is not susceptible to corrosionAnd damage, service life is long, it is ensured that the smoothness and reliability of the operation of cover assembly 100.
In some embodiments of the present utility model, elastic component 50 can be formed in one part.This is integrally formedStructure it is not only easily manufactured, and ensure that the overall construction intensity and stability of elastic component 50, simplify cover assembly 100Assembly manipulation.
Shown in reference picture 3, bolster 60, buffering can also be included according to the cover assembly 100 of the utility model embodimentPart 60 can be set on elastic component 50.Thus, elastic component 50 only can be against between bolster 60 and pillar 40, bolster 60With certain buffering effect, the active force of rotary chuck 20 can be further absorbed, further mitigates 20 pairs of branch of rotary chuckThe radial forces of post 40, play a part of further protecting pillar 40, while making pillar 40 move more smooth.
Advantageously, bolster 60 can be made for polyformaldehyde part, i.e. bolster 60 of polyformaldehyde (POM).Thus,Bolster 60 can have self-lubricating effect, can reduce the abrasion between bolster 60 and rotary chuck 20 and elastic component 50,Buckling piece 30 is set to move more smooth, operation noise is small.
A kind of bolster 60 of the cover assembly 100 according to the utility model embodiment is shown in Figure 10, (a) is bufferingThe side view of part 60, (b) is the top view of bolster 60.As shown in Figure 10, can be formed as radial dimension constant for bolster 60It is columnar structured.This kind of easily fabricated assembling of bolster 60, good buffer effect.
It is understood that the structure of buckling piece 30 be formed as it is a variety of, as long as can with outer pot realize fasten.CanSelection of land, buckling piece 30 can include supporting part 31 and Access Division 32.Supporting part 31 is connected with pillar 40, and supporting part 31 is supported onOn lid body 10, the upper end of Access Division 32 is connected with the outer edge of supporting part 31, and the lower end of Access Division 32 can extend internally shapeInto internal buckle edge 33, internal buckle edge 33 is realized with outer pot and fastened.The buckling piece 30 of this kind of structure is easy to manufacture and good with outer pot conformability.
Alternatively, buckling piece 30 includes two, and circumferentially-spaced open up of two buckling pieces 30 along upper lid body 10 is put, and such as schemesShown in 1 and Fig. 2, the both sides radially of upper lid body 10 are respectively equipped with a buckling piece 30, and two buckling pieces 30 can be in branchRealize and the fastening of outer pot or separate under the drive of post 40, the both sides and outer pot for alloing cover assembly 100 are realized fastening or openedLid, fastening property is good, it is ensured that the sealing of cover assembly 100 and outer pot.Referring to figs. 1 to shown in Fig. 5, arc-shaped slot 201, pillar40th, the quantity of elastic component 50 and bolster 60 can be respectively two, to be corresponded with buckling piece 30.
As shown in Figure 4 and Figure 5, pillar 40 includes pillar body 41, annular flange 42 and backstop pad 43.Pillar body 41It can be located in arc-shaped slot 201, the upper end of pillar body 41 protrudes upward arc-shaped slot 201, and backstop pad 43 is arranged onThe upper end of pillar body 41, alternatively, backstop pad 43 are fixedly connected with pillar body 41 by screw.Under pillar body 41End extends downwardly from arc-shaped slot 201, and the lower end of pillar body 41 is connected with buckling piece 30, for example, pillar body 41 and buttonThe riveting of supporting part 31 of component 30 is connected.
Annular flange 42 is located at the bottom of pillar body 41, and elastic component 50 is set on pillar body 41, elastic component 50Lower end is stopped to the upper surface of annular flange 42, and bolster 60 is set on elastic component 50, and convex annular is only supported in the lower end of bolster 60The upper surface of edge 42.On the width of neck, the size of backstop pad 43 is more than the width of arc-shaped slot 201.Thus, noIt can only prevent elastic component 50 and bolster 60 from being disengaged from pillar 40, be also prevented from rotary chuck 20 and taken off with pillar 40From, and for non-circular electric pressure cooking saucepan, the pressure-bearing of cover assembly 100 is not due to being full circle, and uniform force is poor, plusEnter after backstop pad 43, buckling piece 30 can be more efficiently prevented from and extended out, improve reliability, cover assembly 100 is firmly installed and graspedMake reliability raising.
As shown in Fig. 1 to Fig. 5 and Figure 14, backstop pad 43 can be formed as circular, and the middle part of backstop pad 43 can be withProvided with fixed via, screw can be connected from above through fixed via with pillar 40, and the stub end of screw only can be against onlyOn the upper surface for keeping off pad 43, so as to backstop pad 43 is fixed together with pillar 40, fixation and assembly manipulationIt is convenient.
It is to be appreciated that, the structure of elastic component 50 is not limited to described above, can also be other structures, for example, such asShown in Figure 11 to Figure 13, elastic component 50 can be silica gel ring, and silica gel ring can be set on pillar 40, make the outer peripheral face of pillar 40It can be spaced apart with the inner peripheral surface of neck, silica gel ring is flexible, formation elasticity between pillar 40 and neck can be made only to support, fromAnd effectively reduce the risk that pillar 40 and rotary chuck 20 are damaged.
As shown in figure 12, pillar 40 includes pillar body 41, annular flange 42 and backstop pad 43, and the lower end of silica gel ring canTo be only against on the upper surface of annular flange 42.The lower end of the inner peripheral surface of silica gel ring can be formed as unfilled corner structure, make silica gel ringLower ending opening size it is larger, operation convenient for assembly.As shown in figure 13, the cross section of silica gel ring can be formed as circular, withPreferably matched with pillar 40, it is ensured that preferable buffering effect.
Electric pressure cooking saucepan is in cooking process, and cover assembly 100 and fastening structure will bear steam pressure in pot, to ensure buttonClosing structure has good smoothness and stability, just must take into consideration the strength and stiffness at its position of pillar 40.And according to thisThe cover assembly 100 of utility model embodiment has a kind of new fastening structure, increases by two elements at the position of pillar 40：Elastic component 50 and bolster 60, they have certain buffering effect to one side, can mitigate footpath of the arc-shaped slot 201 to pillar 40To active force, so as to reduce the deformation of pillar 40；On the other hand themselves there is self-lubricating effect or elastic performance, can be effectiveThe abrasion between structural member is reduced, so as to lift their smooth rotation, makes the upper lid group according to the utility model embodimentThe operation of part 100 smoothness is good and reliability is high, and service life is long, and operation noise is small.
Meanwhile, backstop pad 43 can constitute backstop to rotary chuck 20 and pillar 40, when pot inner pressure is higher, rotationChuck 20, pillar 40 and the buckling piece 30 being connected with pillar 40 are difficult to depart from outer pot, it is ensured that the fastness of closing lid, useIt is safe and reliable.
It is according to the closing lid principle of the cover assembly 100 of the utility model embodiment：The stress of rotary chuck 20 is along certainly firstBody axially along direction pivots (for example, clockwise), and now, arc-shaped slot 201 can be moved, due to arc cardTherefore groove 201, when arc-shaped slot 201 is moved, stretches into arc-shaped slot 201 relative to the center eccentric setting of rotary chuck 20Interior pillar 40 rotary chuck 20 radially will not transfixion, but be only against the internal perisporium of arc-shaped slot 201 and move upIt is dynamic, the movement in rotary chuck 20 radially is realized, pillar 40 can drive the buckling piece 30 being attached thereto in movement in rotationChuck 20 is radially moved, the movement of buckling piece 30 and the structure on outer pot, for example, teeth etc. are fastened, electric pressure cooking saucepan is realExisting closing lid.
Wherein, due to being provided with elastic component 50, elastic component 50 between the outer peripheral face of pillar 40 and the internal perisporium of arc-shaped slot 201Elastic deformation occurs for stress, radial forces of the rotary chuck 20 to pillar 40 can be offset, so that the footpath that pillar 40 is subject toReduce to active force, the deformation of pillar 40 is reduced, while the elastic performance that elastic component 50 has in itself, moreover it is possible to effectively reduce structureAbrasion between part, so as to lift their smooth rotation and stability, makes that electric pressure cooking saucepan closing lid is smooth, operation noise is small.
Contrast is operated with closing lid according to the operation of uncapping of the cover assembly 100 of the utility model embodiment, even if rotationTurn the stress of chuck 20 and pivot (for example, counterclockwise) axially along another direction along itself, so as to drive pillar 40 anti-To movement, and then buckling piece 30 is moved backward, so as to realize the separation with outer pot, due to the presence of elastic component 50, openedLid operation is more smooth, and operation noise is smaller.
Outer pot, interior pot can be included and according to the utility model embodiment according to the electric pressure cooking saucepan of the utility model embodimentCover assembly 100.Interior pot is located in outer pot, can be provided with outer pot and be realized the auxiliary section fastened with buckling piece 30, make lidComponent 100 can be realized with outer pot and fastened, above-mentioned beneficial due to being had according to the cover assembly 100 of the utility model embodimentTechnique effect, therefore, service life easy to operate, smooth and reliable according to the electric pressure cooking saucepan switch cover of the utility model embodimentIt is longer.
According to the electric pressure cooking saucepan of the utility model embodiment other constitute and operate for this area ordinary skillIt is knowable for personnel, is not described in detail herein.
In description of the present utility model, it is to be understood that term " " center ", " width ", " on ", " under ", " preceding ",The orientation or position of the instruction such as " rear ", "left", "right", " vertical ", " level ", " interior ", " outer ", " axial direction ", " radial direction ", " circumference "Relation is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, withoutIt is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore notIt is understood that as to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importanceOr the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express orImplicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as twoIt is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " GuIt is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can beMechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed throughEven, can be two element internals connection or two elements interaction relationship, unless otherwise clear and definite restriction.For thisFor the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second featureCan be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Fisrt feature existsSecond feature " top " can be fisrt feature directly over second feature or oblique upper, or to be merely representative of fisrt feature level highDegree is higher than second feature.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " specific example " etc.Description mean to combine specific features, structure, material or feature that the embodiment or example describe and be contained in the utility modelAt least one embodiment or example in.In this manual, phase is necessarily directed to the schematic representation of above-mentioned termSame embodiment or example.Moreover, specific features, structure, material or the feature of description can be in any one or more implementationsCombined in an appropriate manner in example or example.In addition, in the case of not conflicting, those skilled in the art can be by thisThe feature of not be the same as Example or example and non-be the same as Example or example described in specification is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment isExemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility modelIt is interior above-described embodiment to be changed, changed, replaced and modification.