CN206080135U - Cooker cover component and pressure cooker - Google Patents

Abstract

The utility model discloses a cooker cover component and pressure cooker, wherein, pot cover assembly include be used for the lid close the ellipse circular pot cover of the ellipse circular pot body and install in the closing the baffle soon, revolve hand and buckle subassembly of the inner cup upper surface of pot cover, close soon the baffle rotationally install in interior covering, it is equipped with rotating part and spout on the baffle to close soon, the rotating part with it connects to revolve the hand, the buckle subassembly includes the buckle for the hasp pot body, and with the buckle connect and with spout slidable mounting's cooperation portion, the buckle be with the ellipse circular of pot cover periphery adaptation, cooperation portion is in close the rotatory of baffle soon and drive down, can slide in the spout, in order to drive the buckle along the radial flexible activity of rotating part. The utility model discloses a buckle subassembly can adapt to the locking of oval pressure cooker.

Description

Pot cover component and pressure cooker

Technical field

The utility model is related to cooking apparatus technical field, more particularly to a kind of pot cover component and pressure cooker.

Background technology

To ensure user security, pressure cooker typically all has locking device, with user when preventing that air pressure is higher in pressure cooker Maloperation and open pot cover.Locking device includes inner cap, screws guide plate and buckle, screws guide plate and is rotatably installed in inner cap On, buckle is used to clamp pot cover and pot.Chute is provided with guide plate is screwed, buckle is provided with the auxiliary section stretched in chute, When guide plate rotation is screwed, two long side walls of chute are abutted respectively with auxiliary section, so that buckle is along the radial direction for screwing guide plate Stretching motion, so as to lock or unclamp pot cover.For oval pressure cooker, due to oval on-circular it is symmetrical therefore existing Buckle can not be applied to the locking of oval pot cover and pot.

Utility model content

Main purpose of the present utility model is to propose a kind of pot cover component, it is intended to realized to oval pot cover and the lock of pot Tightly.

For achieving the above object, the utility model proposes pot cover component include covering the ellipticity of ellipticity pot Pot cover and it is installed on the interior cap upper surface of the pot cover and screws guide plate, rotation hand and snap component, the guide plate that screws can turns It is installed on dynamicly in described and covers, the guide plate that screws is provided with rotating part and chute, and the rotating part is connected with the rotation hand； The snap component includes latching the buckle of pot, and with it is described snap connection and with matching somebody with somebody that the slide is installed Conjunction portion, in the ellipticity being adapted to the pot cover periphery, the auxiliary section screws rotarily driving for guide plate to the buckle described Under, can slide in the chute, to drive the buckle along the radial expansion activity of the rotating part.

Preferably, the snap component also includes the guide plate radially extended along the rotating part, the buckle with it is described Guide plate is fixedly connected, and the auxiliary section is on the guide plate；Cover in described and be provided with bearing of trend with the buckle group The parallel guide rail in part radial expansion direction, the guide plate slides are installed on the guide rail.

Preferably, the guide plate includes the body radially extended along the rotating part, and the body is along the rotating part Respectively first upset upward forms upper folding portion for the both sides for radially extending, and the upper end of upper folding portion dorsad turns down to form two described in two Flank；The guide rail includes two support bars and two limiting plates located at the interior cap upper surface, and two limiting plate is located at described Between two support bars, and the radial expansion side of the bearing of trend of two limiting plate and two support bar and the snap component To parallel, the height of the height of the limiting plate less than the support bar；Flank correspondence travelling carriage is located at described in two described in two On stay, upper folding portion described in two correspond to respectively with the relative inner of limiting plate described in two against.

Preferably, the chute has curve drive section, and distance is in gradually between the curve drive section and the rotating part Become and arrange, so that the auxiliary section along the curve drive section when sliding, footpath of the buckle along the rotating part To telescopic movable.

Preferably, the curve drive section is arranged in sine curve or cosine curve.

Preferably, the pot cover component also includes from lock set, described to include occlusion part from lock set and be connected to described The sliding part for extending on occlusion part and upward, the guide plate that screws is provided with the guide groove being slidably installed for the sliding part, described Guide groove has effective travel section, and distance is arranged in gradual change between the effective travel section and the rotating part, so that the cunning Dynamic portion along the effective travel section when sliding, and the occlusion part horizontal extension is movable.

Preferably, interior the covering is provided with the guide channel slided for the occlusion part, and the guide channel is blocked along described The glide direction in portion is in elongated setting.

Preferably, the occlusion part includes the connecting rod of guidance part, shutter and the connection guidance part and shutter, The sliding part is installed on the guidance part, and the guidance part is slidably mounted in the guide channel, the connecting rod and institute State shutter and stretch out the guide channel setting from the inward bottom wall of the guide channel.

Preferably, the effective travel section is straightway, arc section, sinusoidal segments or cosine curve section.

Preferably, the chute also includes chute backlash section, and the guide groove also includes guide groove backlash section, described Curve drive section is corresponding with the guide groove backlash section, so that the auxiliary section of the buckle slides into the curve drive section When, described to slide into the guide groove backlash section from the sliding part of lock set, the chute backlash section is effective with described Trip segment correspondence, during so that the auxiliary section of the buckle being in the chute backlash section, the slip from lock set Portion is in the effective travel section.

Preferably, the chute backlash section is located at one end of the curve drive section, the chute backlash section Linearly arrange and tangent with the curve drive section, in the chute backlash section, from the chute backlash section One end limits the circular arc path slided for the auxiliary section of the buckle to the other end, the circular arc path and the rotating part it Between distance be certain value.

Preferably, the curve drive section includes head end and tail end, the distance between the head end and described rotating part, compared with The tail end is little with the distance between the rotating part, and the chute backlash section is located at the head end.

Preferably, the angle between the chute backlash section and the radial expansion direction of the buckle be 60 degree extremely 120 degree.

Preferably, the tail end of the curve drive section is provided with startup section, in the startup section, from one end of the startup section Limit the circular arc path slided for the auxiliary section of the buckle to the other end, the spacing of the circular arc path and the rotating part From for certain value.

Preferably, the guide groove backlash section is arranged in arc section, and the guide groove backlash section and the rotation Distance is certain value between portion.

The utility model also proposes a kind of pressure cooker, and the pressure cooker includes pot cover component, and the pot cover component includes using With the ellipticity pot cover for covering ellipticity pot and the interior cap upper surface for being installed on the pot cover screw guide plate, rotation hand and Snap component, the guide plate that screws is rotatably installed in the pot cover, and the guide plate that screws is provided with rotating part and chute, The rotating part is connected with the rotation hand；The snap component includes latching the buckle of pot, and connects with the buckle The auxiliary section for connecing and installing with the slide, the buckle is in the ellipticity being adapted to the pot cover periphery, the cooperation Portion can slide under the rotarily driving for screwing guide plate in the chute, to drive the buckle along the rotation The radial expansion activity in portion.

It is in ellipticity by the way that buckle is arranged in the utility model, can adapt to the locking of oval pressure cooker so that pressure Power pot inner cap and pot fasten stable.

Description of the drawings

In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, other accompanying drawings can be obtained with the structure according to these accompanying drawings.

Fig. 1 is the structural representation of the embodiment of the utility model pot cover component one, wherein, the pressure cooker is in closing lid shape State；

Fig. 2 is the structural representation of the snap component of Fig. 1 pot cover components；

Fig. 3 is cut-away illustration of the pot cover component at A-A in Fig. 1；

Fig. 4 is the partial enlarged drawing in Fig. 3 at C；

Fig. 5 is the structural representation of guide pin bushing in Fig. 4；

Fig. 6 is the structural representation of spacing shim in Fig. 4；

Fig. 7 is the structural representation of the inner cap of Fig. 1 pot cover components；

Fig. 8 is cut-away illustration of the pot cover component at B-B in Fig. 1；

Fig. 9 is the partial enlarged drawing in Fig. 8 at D；

Figure 10 is from the structural representation of lock set in Fig. 9；

Figure 11 is the structural representation of another embodiment of the utility model pot cover component, wherein, the pressure cooker is in uncap State；

Figure 12 is cut-away illustration of the pot cover component at E-E in Figure 11；

Figure 13 is cut-away illustration of the pot cover component at F-F in Figure 11；

Figure 14 is the partial enlarged drawing in Figure 11 at G；

Figure 15 is the combination schematic diagram for screwing guide plate of Fig. 1 pot cover components.

Drawing reference numeral explanation：

The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

If it is to be appreciated that relate in the utility model embodiment directionality indicate (such as upper and lower, left and right, it is front, Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.

If in addition, relate to the description of " first ", " second " etc. in the utility model embodiment, should " first ", " the Two " description etc. is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate indication The quantity of the technical characteristic for showing.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or cannot realize it will be understood that this technical side The combination of case is not present, also not within the protection domain that the utility model is required.

The utility model proposes a kind of pressure cooker, the pressure cooker is including pot and covers the pot cover group that the pot is arranged Part.In the utility model, the pot cover of pot and pot cover component is in ellipticity.

As depicted in figs. 1 and 2, the pot cover component includes pot cover, screws guide plate 2, rotation hand 3 and snap component 4, the pot Lid includes inner cap 1, and the guide plate 2 that screws is rotatably installed in the pot cover, that is, is installed on the inner cap 1, the rotation Close guide plate 2 and be provided with rotating part 21 (as shown in figure 15), the rotating part 21 is connected with the rotation hand 3.Generally, rotating part 21 is Perforation, is provided with connecting shaft in perforation, and the other end of connecting shaft is connected with rotation hand 3, and the rotation hand 3 drives institute while rotation State and screw guide plate 2 and rotate.In certain embodiments, the pot cover component also includes the cover plate group being connected with the lower section of the inner cap 1 Part 5.

The guide plate 2 that screws is provided with chute 22, and the snap component 4 is included for latching the inner cap 1 and pot Buckle 41, and the auxiliary section 42 being slidably installed on the buckle 41 and with the chute 22, the auxiliary section 42 is in institute Under stating the rotarily driving for screwing guide plate 2, can slide in the chute 22, to drive the buckle 41 along the rotating part 21 radial expansion activity.

In the utility model embodiment, the inner cap 1 is ellipse, and the buckle 41 is in what is be adapted to the pot cover periphery Ellipticity.Specifically, the section of the buckle 41 is in opening U-shaped inwardly, what the buckle 41 included up and down and was oppositely arranged Train wheel bridge 411 and lower plate 412, train wheel bridge 411 and lower plate 412 are in ellipticity, and auxiliary section 42 is located on train wheel bridge 411, And upwards activity wears the chute 22.Train wheel bridge 411 be located between inner cap 1 and cover plate assembly 5, lower plate 412 then be used for The lower surface of flange or flange in pot is abutted, so as to clamp inner cap 1 and pot.

In the utility model, by the way that buckle 41 is arranged in ellipticity, the locking of oval pressure cooker is can adapt to so that Pressure cooker inner cap 1 and pot fasten stable.

As shown in Figures 4 to 6, in order to reduce resistance to sliding of the auxiliary section 42 in chute 22, auxiliary section 42 is generally in circle Cylindricality.For example, riveting post can be set on the buckle 41 to form the auxiliary section 42.Guide pin bushing is arranged with the auxiliary section 42 421, the auxiliary section 42 is slidably connected by the guide pin bushing 421 with the chute 22.Because the auxiliary section 42 is to pass through The guide pin bushing 421 and the sidewall contact of the chute 22, can so avoid the abrasion of the auxiliary section 42, it is only necessary to according to described The abrasion condition of guide pin bushing 421 is changed to the guide pin bushing 421, without changing whole snap component 4, so as to be conducive to section Cost-saving.Shell fragment 422 is provided with the inner circumferential of the guide pin bushing 421, the auxiliary section 42 extrudes the shell fragment 422 and makes the cooperation Coordinate even closer between portion 42 and the guide pin bushing 421.The free end of the auxiliary section 42 is fixed with spacing shim 423, described Spacing shim 423 is located at the upper surface for screwing guide plate 2, to the axial direction for limiting the auxiliary section 42 and the guide pin bushing 421 Motion.Fixed by connectors such as screws between the spacing shim 423 and the auxiliary section 42.

Please further in conjunction with Fig. 2 is referred to, in order to play radially-directed effect to the snap component 4, the footpath of snap component 4 is prevented Shift during to telescopic movable, in one embodiment, the snap component 4 also includes what is radially extended along the rotating part 21 Guide plate 43, the buckle 41 is fixedly connected with the guide plate 43, and the auxiliary section 42 is on the guide plate 43；It is described Inner cap 1 is provided with the bearing of trend guide rail parallel with the radial expansion direction of the snap component 4, and the guide plate 43 is slidably installed On the guide rail.

Incorporated by reference to reference to figs. 2 and 7 specifically, the inner cap 1 forms a sunk area towards lower recess in the middle of upper surface 101, is provided with the brace rod 11 with breach ring-type in the sunk area 101, screw guide plate 2 described in the correspondence of the brace rod 11 Periphery arrange, the guide plate 2 that screws is on the brace rod 11.On the perisporium of the sunk area 101 and the brace rod It is equipped with 11 and allows bit port, the guide plate 43 to allow bit port to stretch in the sunk area 101 from described, and stretches into described Brace rod 11 is enclosed in the region for setting.The guide rail is arranged on the diapire of the sunk area 101, and from the bit port that allows Stretch out the sunk area 101.

In one embodiment, the guide plate 43 includes the body 431 radially extended along the rotating part 21, the body 431 first overturn upward respectively the upper folding portion 432 of formation, upper folding portion described in two along the both sides that the rotating part 2121 is radially extended 432 upper end dorsad turns down to form two flanks 433；The guide rail includes two support bars 13 located at the upper surface of the inner cap 1 With two limiting plates 14, two limiting plate 14 is located between two support bar 13, and two limiting plate 14 and described two The bearing of trend of stay 13 is parallel with the radial expansion direction of the snap component 4, supports described in limiting plate 14 and two described in two Bar 13 distinguishes parallel and interval setting, and the height of the limiting plate 14 is less than the height of the support bar 13；Flank 433 described in two On support bar 13 described in two, upper folding portion 432 corresponds to respectively the phase with limiting plate described in two 14 to correspondence travelling carriage described in two To inner side (in the present embodiment, the opposite side of support bar 13 described in two be inner side) against.In the present embodiment, the support bar 13 is used To support the flank 433.The upper folding portion 432 is resisted against the inner side of the limiting plate 14 so that the guide plate 43 Body 431 is clamped in described in two between limiting plate 14, so as to play circumferential position-limiting action to the flank 433, it is to avoid buckle The swing of component 4.Simultaneously as the height of limiting plate 14 less than support bar 13 height, namely upper folding portion 432 only part with The inner side of limiting plate 14 against, relative to all against mode, contact area is reduced, so as to reduce friction.

To reduce frictional force, the top surface of each support bar 13 is respectively separated and is provided with parallel two convex tendons 12, described convex Muscle 12 extends along the length direction of the support bar 13, and the flank 433 slides along the top surface of the convex tendon 12.The convex tendon 12 sets Put, reduce the contact area of the support bar 13 and the flank 433, so as to reduce frictional force between the two so that The radial expansion activity of the snap component 4 is more smooth.Further to improve limit effect, the bottom surface of the flank 433 can Raised line is set, and the raised line is located at described in two between convex tendon 12.

To avoid causing to interfere between buckle 41, the thickness of the support bar 13 outside the sunk area 101 is little In the thickness of the support bar 13 in the sunk area 101, and the top surface of the support bar 13 outside sunk area 101 with The either flush of the support bar 13 in sunk area 101.Because the support bar 13 outside sunk area 101 is relatively thin, it is Its intensity is strengthened, between the top surface and inner cap 1 of the support bar 13 outside sunk area 101 reinforcement is connected with.

As shown in Fig. 1,8 and Fig. 9, generally, the pot cover component top surface is provided with float hole 15, and the float hole 15 is towards downward Extend and jack-up float 6 is provided with the pot cover component, the float hole 15 and float 7 is shown, the jack-up float 6 is located at The lower section for showing float 7, and the jack-up float 6 and the display float 7 can be in the float holes 15 up and down Motion.

When the pressure pot inner pressure is larger, larger pressure jack-up float 6 described in jack-up upwards makes the jack-up Float 6 is moved upward, and is contacted with the display float 7, while driving moved on the display float 7, makes the display float 7 It is exposed outside, enables a user to pressure pot inner pressure size described in visual perception, it is to avoid larger in pressure pot inner pressure Shi Kaiqi pot covers.

Incorporated by reference to Figure 10 is referred to, in order to avoid user, in pressure cooker high-pressure work, pot cover is opened in maloperation, is implemented one In example, the pressure cooker is also included from lock set 8, described to include occlusion part 81 from lock set 8 and be connected to the occlusion part 81 Sliding part 82 that is upper and extending upward, the guide plate 2 that screws is provided with the guide groove 23 being slidably installed for the sliding part 82, described Sliding part 82 can slide, to drive the occlusion part 81 under the rotarily driving for screwing guide plate 2 in the guide groove 23 Horizontal extension activity.The occlusion part 81 is horizontal-extending towards the direction that the jack-up float 6 is located, and the occlusion part 81 is in institute Under stating the drive of sliding part 82, can extend in the float hole 15, moved upwards with limiting the jack-up float 6.

As shown in Fig. 1, Fig. 3, Fig. 8 and Fig. 9, when the pressure cooker is in closing lid state, the buckle 41 is by the inner cap 1 With pot locking, the occlusion part 81 is outside the float hole 15.When the pressure pot inner pressure is larger, the top Play float 6 to move upward, and higher than the occlusion part 81, now, if turn rotation hand 3, because the float is to the occlusion part 81 keep out effect so that the occlusion part 81 can not be stretched in the float hole 15, namely it is described screw guide plate 2 can not Rotation, the buckle 41 can not be unlocked so that pot cover cannot be opened, when working so as to avoid pressure cooker internal high pressure User uncaps and causes danger.As shown in Figure 11 to 14, when the pressure cooker is in uncapped state, the buckle 41 is opened, and will not The inner cap 1 and the pot are locked, now, because without pressure effect, the jack-up float 6 is located at lowest positions, institute State occlusion part 81 and stretch into the float hole 15.

To reduce resistance to sliding, the sliding part 82 is preferably in cylinder.

Please further in conjunction with Fig. 7 is referred to, in one embodiment, the inner cap 1 is provided with guide channel 16, and the occlusion part 81 is slided Dynamic to be installed in the guide channel 16, the guide channel 16 is in elongated setting along the glide direction of the occlusion part 81.This reality In applying example, the guide channel 16 is located in the sunk area 101 of the inner cap 1.By arranging guide channel 16 so that described to block Portion 81 slides in the guide channel 16, so as to play Horizontal limiting effect to the occlusion part 81.

Incorporated by reference to reference to Fig. 7 and Figure 10, the occlusion part 81 includes being led described in guidance part 811, shutter 813 and connection Draw the connecting rod 812 of portion 811 and shutter 813, the sliding part 82 is installed on the guidance part 811, the guidance part 811 It is slidably mounted in the guide channel 16, the inward bottom wall of the connecting rod 812 and the shutter 813 from the guide channel 16 Stretch out the guide channel 16 to arrange.In the present embodiment, the inward bottom wall of the guide channel 16 is provided with resigning hole 161, the company Extension bar 812 stretches out the guide channel 16 via the resigning hole 161, and when the occlusion part 81 is towards away from the sliding part 82 When direction slides into first state, the guidance part 811 is supported with the inward bottom wall of the guide channel 16.Due to the guide channel 16 inward bottom walls keep out effect to the guidance part 811, and the horizontal displacement distance of the connecting rod 812 can be avoided excessive.This In embodiment, the guidance part 811 is plate-like, and the connecting rod 812 is located at the guidance part in cylinder, the sliding part 82 On 811.A shutter 813 is also associated with the free end of the connecting rod 812, the shutter 813 is used to block described floating Sub-aperture 15.End face of the shutter 813 near the float hole 15 is arranged in arc-shaped, the arc-shaped end face and the jack-up The periphery adaptation of float 6.When user the pressure pot inner pressure is larger rotate rotation hand 3 when, arc-shaped end face and the top The periphery for playing float 6 is supported, and relative to plane the form of periphery is compressed, and can reduce the damaged in collision to jack-up float 6.

Incorporated by reference to Figure 15 is referred to, in above-described embodiment, the chute 22 has curve drive section 222, and the curve drives Distance is arranged in gradual change between section 222 and the rotating part 21, i.e., the curve drive section 222 is the curve of not rounded, so that institute The auxiliary section 42 of buckle 41 is stated when sliding along the curve drive section 222, the buckle 41 is along the rotating part 21 Radial expansion activity.The curve drive section 222 is preferably arranged in sine curve or cosine curve.

When the rotation hand 3 drive it is described screw guide plate 2 and rotate when, the relatively described auxiliary section 42 of the chute 22 is slided, and When the auxiliary section 42 is located in the curve drive section 222, at least side in two long side walls of the curve drive section 222 Abut with the auxiliary section 42, for example it is, described to match somebody with somebody when the long side wall near the rotating part 21 is abutted with the auxiliary section 42 Conjunction portion 42 is subject to long side wall extruding force outwardly and deviates from the rotating part 21 and move, so as to drive buckle 41 movable outwardly, To unclamp the locking to the pot cover and the pot, (as shown in figure 11, Figure 11 is the structural representation under the released state of buckle 41 Figure)；When the long side wall away from the rotating part 21 is abutted with the auxiliary section 42, the auxiliary section 42 is subject to the long side wall court Interior extruding force and move towards the rotating part 21, so as to drive buckle 41 movable inwardly, to lock the pot cover and described Pot (as shown in figure 1, Fig. 1 is the structural representation under the locking state of buckle 41).

In the utility model, because chute 22 has the curve drive section 222 of not rounded so that the auxiliary section 42 of buckle 41 exists When sliding along curve drive section 222, buckle 41 can be along the activity of the radial expansion of rotating part 21, and auxiliary section 42 is in curve Slide in drive section 222 more smooth, so that the radial expansion activity of buckle 41 is more smooth.

The chute 22 also includes chute backlash section 221, in the chute backlash section 221, from the chute One end of backlash section 221 limits the circular arc path slided for the auxiliary section 42 of the buckle 41, the circle to the other end Distance is certain value between arc path and the rotating part 21, so that the auxiliary section 42 is in the chute backlash section When sliding in 221, there is no the displacement of radial direction in the buckle 41.In the embodiment, the auxiliary section 42 of the buckle 41 with It is gap cooperation between two long side walls of the chute backlash section 221, and between the two long side wall and the auxiliary section 42 Enough gaps are reserved with, to ensure that travel path of the auxiliary section 42 when through the chute backlash section 221 be Circular arc, i.e., now the auxiliary section 42 does not stress, displacement of the buckle 41 without radial direction.

In one embodiment, the chute backlash section 221 located at the curve drive section 222 one end, be so that The chute backlash section 221 is connected more smooth smooth with the curve drive section 222, reduces the cunning of the auxiliary section 42 Dynamic resistance, the chute backlash section 221 is linearly arranged and tangent with the curve drive section 222.

Folder in above-described embodiment, between the chute backlash section 221 and the radial expansion direction of the buckle 41 Angle is 60 degree to 120 degree.In the present embodiment, if angle is excessive, i.e., described chute backlash section 221 drives away from the curve Section 222 one end it is larger towards the inclined angle of the rotating part 21, and the curve drive section 222 in order to guarantee with it is described Chute backlash section 221 is tangent, then the curve drive section 222 needs that large curved occurs towards the rotating part 21, namely The angle of bend of the curve drive section 222 is larger, then slip angle of the auxiliary section 42 in the curve drive section 222 is big, So as to be unfavorable for the slip of auxiliary section 42.If angle is too small, the auxiliary section 42 is in the curve drive section 222 and the cunning When groove backlash section 221 switches between the two slip, the motion state difference of the auxiliary section 42 is less, and is unfavorable for described The radial expansion of auxiliary section 42.Therefore, in the present embodiment, the chute backlash section 221 is stretched with the radial direction of the buckle 41 Angle between contracting direction is preferably 60 degree to 120 degree.

In other embodiments, the chute backlash section 221 is arc section, and the arc section and the rotating part The distance between 21 is certain value, namely the center of circle of the arc section overlaps with the pivot of the rotating part 21.

The curve drive section 222 includes head end and tail end, the distance between the head end and described rotating part 21, compared with institute State tail end little with the distance between the rotating part 21, the chute backlash section 221 is located at the head end.The embodiment In, when the auxiliary section 42 of the buckle 41 is located at the head end, the buckle 41 is in locking state, i.e., described buckle 41 In near the position of the rotating part 21；When the auxiliary section 42 of the buckle 41 is located at the tail end, the buckle 41 is in Open mode, i.e., described buckle 41 is located remotely from the position of the rotating part 21.

In one embodiment, the tail end is additionally provided with startup section 223, and the startup section 223 is described equivalent to a changeover portion Auxiliary section 42 is same without radial displacement in the startup section 223, namely in the startup section 223, from the one of the startup section 223 Hold and the circular arc path slided for the auxiliary section 42 of the buckle 41, the circular arc path and the rotating part are limited to the other end Distance is certain value between 21.The auxiliary section 42 starts to slide in the startup section 223, and the startup section 223 plays tune The more harmonious purpose of the slip rhythm of the whole auxiliary section 42 so that drive sliding into the curve auxiliary section 42 Motion when in dynamic section 222 is more coordinated, so that the radial expansion motion of the buckle 41 is more steady.Preferably, institute Startup section 223 is stated for straightway and tangent with the curve drive section 222, so that the startup section 223 and the curve Connect more smooth between drive section 222, be more beneficial for reducing the resistance of the motion of auxiliary section 42.Certainly, in other embodiments, institute It can also be arc section to state startup section 223.

In the utility model embodiment, the curve drive section 222, the chute backlash section 221 and the startup Position relationship between 223 threes of section is not limited, for example, it may be the curve drive section 222 is invalid positioned at the chute Trip segment 221 and it is described startup section 223 between, or the chute backlash section 221 be located at the curve drive section Between 222 and the startup section 223, can also be the startup section 223 be located at the curve drive section 222 and the chute without Between effect trip segment 221.

In above-described embodiment, the guide groove 23 has effective travel section 231, the effective travel section 231 and the rotation Distance is arranged in gradual change between portion 21, so that the sliding part 82 from lock set 8 is being slided along the effective travel section 231 It is described from lock set 8 along radial expansion activity when dynamic, to block or appear float hole 15.The effective travel section 231 is straight Line segment, arc section, sinusoidal segments or cosine curve section.When the effective travel section 231 is arc section, the circle of the arc section The center of circle of the heart and rotating part 21 is staggered setting.

The guide groove 23 also includes guide groove backlash section 232, from one end of the guide groove backlash section 232 to another End is limited for the circular arc path slided from the sliding part 82 of lock set 8, the circular arc path and the rotating part 21 it Between distance be also equally certain value it is described so that when the sliding part 82 slides in the guide groove backlash section 232 From the not occurred level displacement of lock set 8.

In one embodiment, the guide groove backlash section 232 is arranged in arc section, and the guide groove backlash section Distance is certain value between 232 and the rotating part 21.In the embodiment, in the guide groove backlash section 232, lead from described One end of groove backlash section 232 to the other end is limited for the circular arc path slided from the sliding part 82 of lock set 8, institute It is certain value to state between circular arc path and the rotating part 21 distance, the sliding part 82 along the circular arc path slide when it is anhydrous Prosposition is moved.In the present embodiment, two long side walls of the sliding part 82 from lock set 8 and the guide groove backlash section 232 it Between for gap cooperation, and enough gaps are reserved between the two long side wall and the auxiliary section 42, to ensure the sliding part 82 travel paths when through the chute backlash section 221 are circular arc, i.e., now the sliding part 82 does not stress, described From the anhydrous square of displacement upwards of lock set 8.

In other embodiments, the linear section of the guide groove backlash section 232 arrange, and with the effective travel section 231 is tangent, so that two sections of connection is more smoothed.

When screwing guide plate 2 and rotating, in order that the self-locking that the snap component 4 that driven of chute 22 and guide groove 23 are driven Component 8 staggers stress, it is to avoid two components are moved simultaneously and screwing for causing be not smooth, and in one embodiment, the curve drives Dynamic section 222 is corresponding with the guide groove backlash section 232, so that the auxiliary section 42 of the buckle 41 slides into the curve and drives It is described to slide into the guide groove backlash section 232, the curve of the chute 22 from the sliding part 82 of lock set 8 during dynamic section 222 The cooperating of guide groove backlash section 232 of drive section 222 and the guide groove 23, the buckle that now chute 22 drives 41 can carry out opening and closing movement, and described not stress from lock set 8.The chute backlash section 221 and the effective travel 231 correspondences of section, it is described from lock set 8 during so that the auxiliary section 42 of the buckle 41 being in the chute backlash section 221 Sliding part 82 be in the effective travel section 231, the effective travel section of the chute backlash section 221 and the guide groove 23 231 coordinate, described from the horizontal movement of lock set 8, and the buckle 41 does not then stress.

During concrete motion, when it is described screw guide plate 2 and rotate towards the tail end direction from the head end when, equivalent to the card The auxiliary section 42 of button 41 is slided from the tail end along the chute 22 towards the head end, the sliding part 82 from lock set 8 Then slide towards the effective travel section 231 from the guide groove backlash section 232.First, the sliding part 82 from lock set 8 Slide in the guide groove backlash section 232, and without horizontal displacement；Now the auxiliary section 42 is opened from the startup section 223 Begin to slide, and slide in the curve drive section 222, the auxiliary section 42 is subject to inwardly in the curve drive section 222 Extruding force and move radially inward, and drive the buckle 41 movable inwardly.Subsequently, when the auxiliary section 42 slides into institute When stating head end, the buckle 41 final pot cover and pot described in clamping in locking state.When the auxiliary section 42 is from the head End is slided in the chute backlash section 221, and when continuing to slide in the chute backlash section 221, it is described to match somebody with somebody Circular motion is done in conjunction portion 42, radial direction non-displacement, and now, the sliding part 82 is slided in the effective travel section 231, and is subject to The long side wall of the effective travel section 231 extruding force outwardly and away from the horizontal movement of float hole 15, to appear the float Hole 15.Finally, the auxiliary section 42 is supported with the short side wall of the chute backlash section 221, and/or the sliding part 82 with The short side wall of the effective travel section 231 is supported, and described screwed guide plate 2 and is rotated further so as to limit.

When it is described screw 2 counter motion of guide plate when, i.e., the described guide plate 2 that screws is rotated from the tail end towards the head end direction When, slide towards the tail end from the head end along the chute 22 equivalent to the auxiliary section 42 of the buckle 41, the self-locking The sliding part 82 of component 8 then slides from the effective travel section 231 towards the guide groove backlash section 232.First, the buckle Without radial displacement in the chute backlash section 221, the sliding part 82 from lock set 8 is described for 41 auxiliary section 42 Extruding force inwardly is subject in effective travel section 231, and is moved horizontally near the float hole 15, to block the float hole 15.Subsequently, when the sliding part 82 is slided in the guide groove backlash section 232, the sliding part 82 stops radially moving Dynamic, now, the auxiliary section 42 is slided in the curve drive section 222, and the squeezing outwardly by the curve drive section 222 Pressure and radially move away from the rotating part 21, to unlock the pot cover and the pot, until the auxiliary section 42 is slided Move the tail end.Then, the auxiliary section 42 is slided in the startup section 223, and without radially in the startup section 223 Displacement, until the auxiliary section 42 is supported with the short side wall of the startup section 223, and/or the sliding part 82 slides into and institute The short side wall for stating guide groove backlash section 232 is supported, and described screwed guide plate 2 and is rotated further so as to limit.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims (16)

1. a kind of pot cover component, it is characterised in that include covering the ellipticity pot cover of ellipticity pot and be installed on institute The interior cap upper surface for stating pot cover screws guide plate, rotation hand and snap component, and the guide plate that screws is rotatably installed in described Cover, the guide plate that screws is provided with rotating part and chute, and the rotating part is connected with the rotation hand；The snap component includes To the buckle for latching pot, and with the auxiliary section for snapping connection and installing with the slide, the buckle is in The ellipticity being adapted to the pot cover periphery, the auxiliary section, can be in the cunning under the rotarily driving for screwing guide plate Slide in groove, to drive the buckle along the radial expansion activity of the rotating part.

2. pot cover component as claimed in claim 1, it is characterised in that the snap component is also included along the rotating part radially The guide plate of extension, the buckle is fixedly connected with the guide plate, and the auxiliary section is on the guide plate；The inner cap The bearing of trend guide rail parallel with the snap component radial expansion direction is provided with, the guide plate slides are installed on described leading On rail.

3. pot cover component as claimed in claim 2, it is characterised in that the guide plate includes being radially extended along the rotating part Body, respectively first upset upward forms upper folding portion for the both sides that the body is radially extended along the rotating part, described in two on The upper end of folding portion dorsad turns down to form two flanks；The guide rail includes two support bars and two located at the interior cap upper surface Limiting plate, two limiting plate is located between two support bar, and the extension side of two limiting plate and two support bar Parallel to the radial expansion direction with the snap component, the height of the limiting plate is less than the height of the support bar；Two institutes Flank correspondence travelling carriage is stated on support bar described in two, upper folding portion corresponds to respectively relative with limiting plate described in two described in two Inner side against.

4. the pot cover component as described in any one of claims 1 to 3, it is characterised in that the chute has curve drive section, institute State distance between curve drive section and the rotating part to arrange in gradual change, so that the auxiliary section is driving along the curve When section is slided, radial expansion activity of the buckle along the rotating part.

5. pot cover component as claimed in claim 4, it is characterised in that the curve drive section is in sine curve or cosine curve Arrange.

6. pot cover component as claimed in claim 4, it is characterised in that the pot cover component also includes from lock set, it is described from Lock set includes occlusion part and the sliding part that is connected on the occlusion part and extends upward, it is described screw guide plate and be provided with supply institute The guide groove that sliding part is slidably installed is stated, the guide groove has effective travel section, between the effective travel section and the rotating part Distance is arranged in gradual change, so that the sliding part along the effective travel section when sliding, the occlusion part horizontal extension Activity.

7. pot cover component as claimed in claim 6, it is characterised in that cover in described and be provided with for leading that the occlusion part slides Approaching channel, the guide channel is in elongated setting along the glide direction of the occlusion part.

8. pot cover component as claimed in claim 7, it is characterised in that the occlusion part includes guidance part, shutter and company The connecting rod of the guidance part and shutter is connect, the sliding part is installed on the guidance part, and the guidance part is slidably installed In the guide channel, the connecting rod and the shutter set from the inward bottom wall of the guide channel guide channel that stretches through out Put.

9. pot cover component as claimed in claim 6, it is characterised in that the effective travel section is straightway, arc section, sine Curved section or cosine curve section.

10. pot cover component as claimed in claim 6, it is characterised in that the chute also includes chute backlash section, described Guide groove also includes guide groove backlash section, and the curve drive section is corresponding with the guide groove backlash section, so that the card It is described to slide into the guide groove backlash from the sliding part of lock set when the auxiliary section of button slides into the curve drive section Section, the chute backlash section is corresponding with the effective travel section, so that the auxiliary section of the buckle is in the chute During backlash section, the sliding part from lock set is in the effective travel section.

11. pot cover components as claimed in claim 10, it is characterised in that the chute backlash section is driven located at the curve One end of dynamic section, the chute backlash section is linearly arranged and, the chute inactive line tangent with the curve drive section In journey section, the circular arc road slided for the auxiliary section of the buckle is limited from one end of the chute backlash section to the other end Footpath, distance is certain value between the circular arc path and the rotating part.

12. pot cover components as claimed in claim 11, it is characterised in that the curve drive section includes head end and tail end, institute The distance between head end and described rotating part are stated, the tail end is little with the distance between the rotating part, and the chute is invalid Trip segment is located at the head end.

13. pot cover components as claimed in claim 12, it is characterised in that the footpath of the chute backlash section and the buckle It it is 60 degree to 120 degree to the angle between telescopic direction.

14. pot cover components as claimed in claim 12, it is characterised in that the tail end of the curve drive section is provided with startup section, In the startup section, the circular arc road slided for the auxiliary section of the buckle is limited to the other end from one end of the startup section Footpath, distance is certain value between the circular arc path and the rotating part.

15. pot cover components as claimed in claim 10, it is characterised in that the guide groove backlash section is arranged in arc section, And distance is certain value between the guide groove backlash section and the rotating part.

16. a kind of pressure cookers, it is characterised in that the pressure cooker includes the pot cover group as described in any one of claim 1 to 15 Part.