CN208709387U - Electric pressure cooker - Google Patents

Abstract

The utility model provides an electric pressure cooker, include: the pot body is used for containing food to be cooked; the pot cover is covered on the pot body, and an exhaust passage is arranged in the pot cover; a pressure limiting valve assembly cooperating with the exhaust passage; the middle part of the lever is rotatably arranged in the cooker cover, the first end of the lever is arranged above the pressure limiting valve assembly, the second end of the lever is matched with the driving structure, the driving structure can drive the first end of the lever to swing downwards and apply pressure to the pressure limiting valve assembly so as to change the pressure applied by the pressure limiting valve assembly to the exhaust channel, wherein the weight of the second end of the lever is greater than that of the first end of the lever, so that when the lever is not driven by the driving force of the driving structure, the second end of the lever can swing downwards under the action of gravity, and the first end of the lever does not act on the pressure limiting valve assembly. The technical scheme of the utility model the not accurate problem of pressure cooker's among the prior art of pressure discharge has been solved.

Description

Electric pressure cooking saucepan

Technical field

The utility model relates to electric pressure cooking saucepans, in particular to a kind of improvement of the exhaust structure of electric pressure cooking saucepan.

Background technique

Electric pressure cooking saucepan is common electric pressure cooking saucepan.Wherein, setting limited valve, driving pressure limiting valve in the pot cover of electric pressure cooking saucepan The driving mechanism that the lever and activation lever of swing are swung.When driving mechanism applies driving force to lever, lever and pressure limiting Valve contacts and drives pressure limiting valve mobile.But when driving structure does not apply driving force to lever, lever may also and be limited Pressure valve contact, and then it is not accurate to be likely to cause pressure at expulsion.

Utility model content

The main purpose of the utility model is to provide a kind of electric pressure cooking saucepans, to solve electric pressure cooking saucepan in the prior art The not accurate problem of pressure at expulsion.

To achieve the goals above, the utility model provides a kind of electric pressure cooking saucepan, comprising: pot body, to hold wait cook It prepares food food；Pot cover, lid are located in pot body, and exhaust passage is provided in pot cover；Pressure limiting valve module cooperates with exhaust passage；Lever And driving structure, it being rotatably arranged in pot cover in the middle part of lever, the top of pressure limiting valve module is arranged in the first end of lever, The second end and driving structure of lever cooperate, and driving structure is capable of the first end of activation lever to lower swing and to pressure limiting valve module Apply pressure, with and change pressure limiting valve module to exhaust passage pressure applied, wherein the weight of the second end of lever is greater than The weight of the first end of lever, so that lever, when not being driven the driving force of structure, the second end of lever can be in gravity Under the action of to lower swing, and the first end of lever is made not act on pressure limiting valve module.

Using the technical solution of the utility model, when driving structure not activation lever.The second end of lever is in itself weight It to lower swing under the action of power, and is swung up the first end of lever not with pressure limiting valve component touch, guarantees pressure limiting valve module The intracorporal pressure of pot can accurately be controlled.Therefore the technical solution of the utility model solves electric pressure cooking saucepan in the prior art The not accurate problem of pressure at expulsion.

Further, lever includes the first rod segment and the second rod segment interconnected, the end of the first rod segment and pressure limiting valve Component cooperation, the end of the second rod segment and driving structure cooperate, and the material of the first rod segment is different with the material of the second rod segment.

Further, the weight of the second rod segment is greater than the weight of the first rod segment.

Further, the material of the first rod segment is metal, and the material of the second rod segment is POM.

Further, it is linked together between the first rod segment and the second rod segment by fastener.

Further, driving structure includes driving motor and rotating block, and rotating block is connected to the motor shaft of driving motor On, driving motor is able to drive rotating block rotation, wherein inclined-plane is provided on rotating block, the second end and inclined-plane of lever cooperate, When rotating block rotates, position of the second end of lever on inclined-plane changes, so that the second end of lever is swung.

Further, inclined-plane is fan-shaped surface.

Further, pressure limiting valve module includes pressure limiting valve body, pressure adjusting structure, the first elastic component and the second elastic component, In, pressure limiting valve body and exhaust passage cooperate, and pressure adjusting structure is located at the top of pressure limiting valve body, and the first elastic component is arranged in pressure limiting Between valve body and pressure adjusting structure, the second elastic component supports pressure adjusting structure, wherein pressure adjusting structure has initial position, the second bullet Property part there is gap when pressure adjusting structure being made to be located at initial position, between the first elastic component and pressure limiting valve body and/or pressure adjusting structure, At this point, pressure limiting valve body is plugged in exhaust passage with self gravity, and when pressure adjusting structure is moved down from initial position is mobile, first The both ends of elastic component are abutted with pressure adjusting structure and pressure limiting valve body respectively, and the first elastic component is compressed, to change pressure limiting valve The pressure of ontology closure exhaust passage.

Further, pot cover includes liner, covers the inner pot cover for being located at the cover of interior lining and being arranged in below liner, row Gas channel is the exhaust pipe being arranged on inner pot cover, and pressure limiting valve module is arranged on inner pot cover.

Further, the first elastic component and the second elastic component are spring.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the structural schematic diagram of the embodiment of electric pressure cooking saucepan according to the present utility model；

Structural schematic diagram after being opened Fig. 2 shows the pot cover of electric pressure cooking saucepan in Fig. 1；

Fig. 3 shows the schematic cross-sectional view of the inner pot cover of electric pressure cooking saucepan in Fig. 1；

Fig. 4 shows in Fig. 3 enlarged diagram at A；

Fig. 5 shows the decomposition diagram of the inner pot cover of electric pressure cooking saucepan in Fig. 1；

Fig. 6 shows the structural schematic diagram of the pressure adjusting structure of electric pressure cooking saucepan in Fig. 1；

Fig. 7 shows the structural schematic diagram at another visual angle of pressure adjusting structure in Fig. 6；

Fig. 8 shows the structural schematic diagram of the mounting cap of electric pressure cooking saucepan in Fig. 1；

Fig. 9 shows the elevational schematic view of mounting cap in Fig. 8；

Figure 10 shows the structural schematic diagram of the pressure limiting valve body of electric pressure cooking saucepan in Fig. 1；

Figure 11 shows the structural schematic diagram of the valve seat of electric pressure cooking saucepan in Fig. 1；

Figure 12 shows the assembling schematic diagram of the valve seat of electric pressure cooking saucepan and mounting cap in Fig. 1；

Figure 13 shows the schematic front view in Fig. 1 after the assembly of the valve seat of electric pressure cooking saucepan and bonnet；

Figure 14 shows in Figure 13 enlarged diagram at B；

Figure 15 shows the installation cooperation schematic diagram of the mounting cap of electric pressure cooking saucepan and pressure adjusting structure in Fig. 1；

Figure 16 shows the schematic cross-sectional view of pressure limiting valve body in Fig. 1；

Figure 17 shows the decomposition diagrams of the pot cover of electric pressure cooking saucepan in Fig. 1；

Figure 18 shows in Figure 17 enlarged diagram at C；

Structural representation when Figure 19 shows from the first end of the driving structure activation lever of electric pressure cooking saucepan in Fig. 1 to lower swing Figure；

Figure 20 shows in Figure 19 enlarged diagram at D；

Structural schematic diagram when Figure 21 shows from the second end of the lever of electric pressure cooking saucepan in Fig. 1 to lower swing；

Figure 22 shows in Figure 21 enlarged diagram at E；

Figure 23 shows the structural schematic diagram of the drive mechanism of electric pressure cooking saucepan in Fig. 1；

Figure 24 shows the first rod segment of drive mechanism in Figure 23 and the structural schematic diagram of the second rod segment；

Figure 25 shows the schematic top plan view in Fig. 1 at the liner of electric pressure cooking saucepan；

Figure 26 shows in Figure 25 enlarged diagram at E；

Figure 27 shows the structural schematic diagram of the cover board of electric pressure cooking saucepan in Fig. 1；

Figure 28 shows the structural schematic diagram of the rotating block of electric pressure cooking saucepan in Fig. 1；

Figure 29 shows the cooperation schematic diagram of the driving motor of electric pressure cooking saucepan, rotating block and cover board in Fig. 1；And

Figure 30 shows the structural schematic diagram of the diaphragm seal of electric pressure cooking saucepan and installation sheet in Fig. 1.

Wherein, the above drawings include the following reference numerals:

10, pot body；20, pot cover；21, liner；22, cover；23, inner pot cover；30, exhaust passage；40, pressure limiting valve module； 41, pressure limiting valve body；411, convex edge；412, handle portion；413, shell；414, spool；415, installation through-hole；416, it blocks up Head；417, connecting hole；42, pressure adjusting structure；421, location hook；422, plate body；423, ejection cap；43, the first elastic component；44, Two elastic components；45, valve seat；451, drainage hole；46, mounting cap；461, avoid holes；50, installation cavity；60, guide frame；61, it leads To convex ribs；62, guide groove；70, rotary positioning structure；71, the first positioning convex tendon；72, locating slot；721, first segment；722, Two sections；73, the second positioning convex tendon；80, driving structure；81, driving motor；82, rotating block；821, inclined-plane；90, drive mechanism； 91, the first rod segment；92, the second rod segment；100, cover-opening structure；200, slide plate is only opened；300, stopping valve；400, cover board；500, it limits Bit architecture；501, retaining convex rib；502, limiting slot；600, accommodating chamber；601, notch；700, diaphragm seal；701, mounting hole；702, Mounting groove；800, installation sheet；801, notch is avoided；802, chimb is positioned.

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 phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall in the protection scope of this application.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

As shown in Figures 1 to 4, the electric pressure cooking saucepan of the present embodiment includes pot body 10, pot cover 20 and pressure limiting valve module 40.Its In, pot body 10 is to hold food to be cooked.The lid of pot cover 20 is located in pot body 10, and exhaust passage 30 is provided in pot cover 20.Limit Pressure valve component 40 includes pressure limiting valve body 41, pressure adjusting structure 42, the first elastic component 43 and the second elastic component 44, further, limit Press the valve body 41 and exhaust passage 30 cooperate, and pressure adjusting structure 42 is located at the top of pressure limiting valve body 41, the setting of the first elastic component 43 Between pressure limiting valve body 41 and pressure adjusting structure 42, the second elastic component 44 supports pressure adjusting structure 42.Pressure adjusting structure 42 has initial Position, when the second elastic component 44 makes pressure adjusting structure 42 be located at initial position, the first elastic component 43 and pressure limiting valve body 41 and/or tune There is gap between laminated structure 42.At this point, pressure limiting valve body 41 is plugged in exhaust passage 30 with self gravity.Pressure adjusting structure 42 from When initial position movement moves down, the both ends of the first elastic component 43 are abutted with pressure adjusting structure 42 and pressure limiting valve body 41 respectively, And the first elastic component 43 is compressed, to change the pressure that pressure limiting valve body 41 blocks exhaust passage 30.

In the technology of the present embodiment in scheme, by moving down pressure adjusting structure 42, the first elastic component 43 can be changed Decrement, and then change the first elastic component 43 to 41 pressure applied of pressure limiting valve body, and change the exhaust of electric pressure cooking saucepan Pressure.Further, by adjusting the shift position of pressure adjusting structure 42, the specific value of adjustable pressure at expulsion, thus real The effect of the stepless voltage regulation of existing electric pressure cooking saucepan.

As shown in Figure 4 and Figure 5, in the technical scheme of this embodiment, the first elastic component 43 is set in pressure limiting valve body 41 Outside.Specifically, the upper end of the first elastic component 43 and pressure adjusting structure 42 cooperate, and lower end and pressure limiting valve body 41 cooperate.When pressure regulation knot When structure 42 moves down, the first elastic component 43 is compressed, and applies elastic force to pressure limiting valve body 41, to change exhaust pressure Power.

As shown in Fig. 4 and Figure 10, in the technical scheme of this embodiment, it is fixed to be provided on the lateral wall of pressure limiting valve body 41 Position convex edge 411, convex are greater than the diameter of the first elastic component 43 along 411 outer diameter, and pressure adjusting structure 42 is from initial position to moving down When dynamic, the lower end of the first elastic component 43 is abutted with convex along 411.Specifically, convex is annular convex edge along 411, and by Be greater than the diameter of the first elastic component 43 along 411 outer diameter in convex, thus the lower end of the first elastic component 43 can be connected to it is fixed On the convex edge 411 of position.Further, above structure can make the first elastic component 43 to pressure limiting valve body 41 circumferential uniformly applied Downward elastic force, so prevent pressure limiting valve body 41 be pressurized when deflection.Preferably, convex is arranged along 411 in pressure limiting valve sheet At the lower edge of body 41, so that pressure adjusting structure 42 is moving down constantly, 41 lower end stress of pressure limiting valve body, so that structure It is more stable.

As shown in figure 5, in the technical scheme of this embodiment, the first elastic component 43 is spring.Specifically, the first elastic component 43 be helical spring.

As shown in Figure 4 and Figure 6, in the technical scheme of this embodiment, it is provided with location hook 421 on pressure adjusting structure 42, it is fixed The upper end of position hook 421 and the first elastic component 43 cooperates, so that the upper end of the first elastic component 43 is fixed on pressure adjusting structure 42.It is preferred that Ground, location hook 421 are circumferentially arranged three, and the hook portion hook of location hook 421 is located at the upper end of the first elastic component 43.Namely work as Second elastic component 44 supports pressure adjusting structure 42, and when the upper end of pressure adjusting structure 42 does not stress, and the upper end of the first elastic component 43 is solid It is scheduled on pressure adjusting structure 42, the convex of lower end and pressure limiting valve body 41 has gap namely the first elastic component 43 between 411 Pressure limiting valve body 41 is not acted on.

As described in Fig. 4 and Fig. 5, in the technical scheme of this embodiment, the second elastic component 44 is set in pressure limiting valve body 41 Outside.And preferably, the second elastic component 44 is spring, and the diameter of the second elastic component 44 is greater than convex along 411 outer diameter.Specifically Ground, the second elastic component 44 are set in outside pressure limiting valve body 41, and lower end abutted with pot cover 20 namely the second elastic component 44 not with Pressure limiting valve body 41 contacts, and does not act on pressure limiting valve body 41.When the upper end of pressure adjusting structure 42 does not stress, the second elastic component 44 Pressure adjusting structure 42 is set to be maintained at initial position, and the lower end of the first elastic component 43 is not contacted with convex along 411, when pressure regulation knot The upper end stress of structure 42 and when moving down, the second elastic component 44 is compressed.

As shown in Fig. 5 and Figure 11, in the technical scheme of this embodiment, pressure limiting valve module 40 further includes valve seat 45, exhaust Channel 30 is located in valve seat 45, and the upper end of the second elastic component 44 is abutted with pressure adjusting structure 42, the lower end of the second elastic component 44 and valve Seat 45 abuts.Specifically, valve seat 45 is tube-in-tube structure.Exhaust passage 30 is located in valve seat 45.

As shown in Fig. 5, Fig. 8 and Figure 11, in the technical scheme of this embodiment, pressure limiting valve module 40 further includes mounting cap 46, the lid of mounting cap 46 is located on valve seat 45, and installation cavity 50, pressure limiting valve body 41, first are surrounded between valve seat 45 and mounting cap 46 Elastic component 43, the second elastic component 44 and pressure adjusting structure 42 are arranged in installation cavity 50.Specifically, the lower ending opening of mounting cap 46, And it is set in outside valve seat 45.The side wall of valve seat 45 and the side wall of mounting cap 46 limit the 42, first elasticity of pressure adjusting structure jointly The moving range of part 43 and the second elastic component 44.Further, when the upper end of pressure adjusting structure 42 does not stress, the second elastic component 44 Apply upward elastic force to pressure adjusting structure 42, and abuts pressure adjusting structure 42 and the roof of mounting cap 46.

As shown in Figure 6 and Figure 7, in the technical scheme of this embodiment, pressure adjusting structure 42 includes that plate body 422 and setting exist Ejection cap 423 on plate body 422 is provided with avoid holes 461 on the roof of mounting cap 46, and plate body 422 is arranged in mounting cap 46, Ejection cap 423 is pierced by mounting cap 46 by avoid holes 461.Above-mentioned location hook 421 is arranged on the lower surface of plate body 422.Tool Body, when the upper end of pressure adjusting structure 42 is not by external motivating force, mounting cap 46 passes through avoid holes 461 and is located at mounting cap 46 Outside.It can be pressed down ejection cap 423 at this time and move down plate body 422, so that the first elastic component 43 and the second bullet Property part 44 is compressed.Specifically, be provided with exhaust outlet on the roof of mounting cap 46, plate body 422 correspond to the position of exhaust outlet to Sunken inside simultaneously avoids exhaust outlet, so that the exhaust outlet on mounting cap 46 is connected to exhaust passage 30 always.

As shown in Fig. 6, Fig. 7, Fig. 9 and Figure 15, in the technical scheme of this embodiment, pressure adjusting structure 42 and mounting cap 46 Between be provided with guide frame 60.Specifically, guide frame 60 enables pressure adjusting structure 42 to move along the vertical direction, prevents simultaneously Only pressure adjusting structure 42 rotates relative to mounting cap 46.

As shown in Fig. 6, Fig. 7, Fig. 9 and Figure 15, in the technical scheme of this embodiment, guide frame 60 includes that guiding is convex Muscle 61 and guide groove 62.Wherein, guiding convex ribs 61 are arranged on plate body 422.The inner sidewall of mounting cap 46 is arranged in guide groove 62 Above and along the central axial direction of mounting cap 46 extend, guiding convex ribs 61 are embedded in guide groove 62.Specifically, convex ribs are oriented to 61 are arranged on the side wall of plate body 422 and extend outwardly, and guide groove 62 extends along the vertical direction.Above structure makes plate body 422 It vertically extends, while plate body 422 will not rotate relative between mounting cap 46.

As shown in Fig. 6, Fig. 7 and Fig. 9, in the technical scheme of this embodiment, guiding convex ribs 61 are the circumferential direction along plate body 422 What is be arranged is multiple, and guide groove 62 is multiple, multiple guiding convex ribs 61 and multiple guide grooves 62 along being circumferentially arranged for mounting cap 46 It is arranged in a one-to-one correspondence.Specifically, guide groove 62 and guiding convex ribs 61 are three.

As shown in Figure 8 and Figure 11, in the technical scheme of this embodiment, rotation is provided between valve seat 45 and mounting cap 46 Location structure 70 when installing mounting cap 46, rotates mounting cap 46, and mounting cap 46 is fixed on valve seat 45 by rotary positioning structure 70 On.

As shown in Fig. 8, Figure 11 to Figure 13, in the technical scheme of this embodiment, rotary positioning structure 70 includes first fixed Position convex ribs 71 and locating slot 72.Wherein, the first positioning convex tendon 71 is arranged on the lateral wall of valve seat 45.The setting of locating slot 72 is being pacified On the side wall for filling cap 46.Locating slot 72 includes the first segment 721 and second segment 722 interconnected, and first segment 721 is in the horizontal direction Extend, one end of second segment 722 is connected on first segment 721, and the second segment 722 of second segment 722 extends under mounting cap 46 Opening is held and is formed, the first positioning convex tendon 71 is embedded in locating slot 72.Specifically, in installing locating slot 72, first by first The lower ending opening of the alignment second segment 722 of positioning convex tendon 71.Then it moves down mounting cap 46 and slides into the first positioning convex tendon 71 To second segment 722, it is then rotatablely installed cap 46 in the horizontal direction, and slide into the first positioning convex tendon 71 in first segment 721. Further, it will be seen from figure 11 that the upside of valve seat 45 has undergauge section, the outer of undergauge section is arranged in the first positioning convex tendon 71 On side wall.When installing mounting cap 46, mounting cap 46 is set in outside undergauge section.

As shown in Figure 13 and Figure 14, in the technical scheme of this embodiment, the upper surface and/or lower surface of first segment 721 On be provided with the second positioning convex tendon 73.Specifically, the first positioning convex tendon 71 is when screwing in the horizontal direction to first segment 721, meeting By the second positioning convex tendon 73, and make user have Caton feel, make user know the first positioning convex tendon 71 screwed in In first segment 721.Meanwhile second positioning convex tendon 73 effect of positioning can be also played to the first positioning convex tendon 71.

As shown in figure 11, in the technical scheme of this embodiment, drainage hole 451 is provided on the side wall of valve seat 45.Specifically Ground, drainage hole 451 penetrate through the side wall of the valve seat 45.Since exhaust passage 30 can generate a large amount of steam in exhaust, It is possible that generating ponding in valve seat 45.When in valve seat 45 by ponding, ponding can pass through 451 row of drainage hole on valve seat 45 Out, to prevent condensed water from accumulating in valve seat 45.

As shown in Figure 10 and Figure 16, in the technical scheme of this embodiment, the top of pressure limiting valve body 41 is provided with handle Portion 412.Specifically, since pressure limiting valve body 41 is tapered, and steam can generate condensed water in the outer wall of pressure limiting valve body 41, Therefore user is difficult to catch the outer wall of pressure limiting valve body 41 when cleaning needs and removes pressure limiting valve body 41.Lead to pressure limiting valve sheet Body 41 removes difficulty.In this example, handle portion 412 includes the body of rod and the gripping protrusion being connected to above the body of rod, and user can be very It readily grasps handle portion 412 and exerts a force upwards, and pressure limiting valve body 41 is taken out out of valve seat 45.

Further, as shown in figure 16, in the technical scheme of this embodiment, handle portion includes the body of rod and holds convex Portion, the lower end of the body of rod are connected on pressure limiting valve body 41, and gripping protrusion is connected to the upper end of the body of rod.Pressure limiting valve body 41 includes shell Body 413 and spool 414 are provided with installation through-hole 415 on shell 413, and spool 414 is arranged in installation through-hole 415, spool 414 Lower end be provided with plug 416, plug 416 blocks exhaust passage 30, and handle portion 412 is connected to the upper end of spool 414.Spool 414 upper end is provided with connecting hole 417, and the lower end of the body of rod is threaded through in connecting hole 417.Preferably, connecting hole 417 is screw thread Hole is provided with the thread segment with threaded hole cooperation on the body of rod.Certainly, welding can also be passed through between handle portion 412 and spool 414 Etc. modes link together.

As shown in figure 17, in the technical scheme of this embodiment, electric pressure cooking saucepan further includes driving structure 80 and drive mechanism 90.Drive mechanism 90 is movably disposed in pot cover 20, and drive mechanism 90 and pressure limiting valve body 41 cooperate, and driving structure 80 is driven Dynamic drive mechanism 90 is mobile, and makes drive mechanism 90 that pressure adjusting structure 42 be driven to be moved downward by initial position.Specifically, transmission knot It is contacted when structure 90 moves down with the ejection cap 423 of pressure adjusting structure 42, and is pressed down against pressure and pushes ejection cap 423.

As shown in Figure 19 to Figure 23, in the technical scheme of this embodiment, drive mechanism 90 is lever, the first end of lever Cooperate with pressure adjusting structure 42, the second end and driving structure 80 of lever cooperate, and the second end of 80 activation lever of driving structure is swung. It can see from Figure 19 and Figure 20, when activation lever is not swung driving structure 80, pressure adjusting structure 42 is in the second elastic component 44 Initial position is under the action of elastic force.The lower end of the first elastic component 43 is not contacted with pressure limiting valve body 41 at this time.From Figure 21 It can be seen that, when the first end of 80 activation lever of driving structure is to lower swing, pressure adjusting structure 42 is moved down, simultaneously with Figure 22 The lower end of first elastic component 43 contacts and is compressed with pressure limiting valve body 41, to change pressure at expulsion.Further, pass through tune The distance that the adjustable pressure adjusting structure 42 of the angle of whole lever specifically swung moves down, to realize the effect of stepless voltage regulation.

As shown in figure 24, in the technical scheme of this embodiment, lever includes the first rod segment 91 and second interconnected Rod segment 92, the end of the first rod segment 91 and pressure adjusting structure 42 cooperate, and the end of the second rod segment 92 and driving structure 80 cooperate, and first The material of rod segment 91 is different with the material of the second rod segment 92.Specifically, due to exhaust passage 30, in exhaust, temperature is higher, First rod segment 91 is needed using material resistant to high temperature.Second rod segment 92 cooperates with driving structure 80, therefore the second rod segment 92 needs Using the lesser material of relatively smooth, frictional resistance.Preferably, the material of the first rod segment 91 is metal, the material of the second rod segment 92 Matter is POM.Therebetween it can be linked together by the conventional connection type such as screw, bonding, welding.

As shown in Figure 20 and Figure 22, in the technical scheme of this embodiment, the weight of the second end of lever is greater than lever The weight of first end, when so that the driving force of driving structure 80 not acting on lever, the second end of lever is under gravity To lower swing.As shown in figure 20, when the driving force of driving structure 80 does not act on lever, due to second end (Figure 20 of lever Middle left end) heavier-weight, therefore the second end of lever is automatically to lower swing, first end be swung up automatically not with pressure regulation knot Structure 42 contacts.Above structure makes when not needing to carry out pressure regulation operation, and lever is not contacted with pressure adjusting structure 42, to prevent pair Normal exhaust has an impact.Meanwhile the resetting-mechanism that lever need not be arranged in pot cover 20 reduces cost to solve space.

As shown in Figure 25 to Figure 26, in the technical scheme of this embodiment, driving structure 80 include driving motor 81 and Rotating block 82, rotating block 82 are connected on the motor shaft of driving motor 81, and driving motor 81 is able to drive the rotation of rotating block 82, In, it is provided with inclined-plane 821 on rotating block 82, the second end and inclined-plane 821 of lever cooperate, when rotating block 82 rotates, the of lever Position of two ends on inclined-plane 821 changes, so that the second end of lever is swung.Specifically, when driving motor 81 rotates, Driving motor 81 drives rotating block 82 to rotate, so that relative position of the second end of lever on inclined-plane 821 changes.When oblique When the contact position of face 821 and lever increases, the second end of lever, which is driven, to be moved up, to realize that lever is put by driving It is dynamic.When driving motor 81 reversely rotates, the second end of lever is resetted to lower swing under gravity.

Preferably, in the technical solution of this example, inclined-plane 821 is fan-shaped surface.

As shown in Figure 1, Figure 2, shown in Figure 25 to Figure 29, in the technical scheme of this embodiment, electric pressure cooking saucepan further includes that setting exists Cover-opening structure 100 in pot cover 20 only opens slide plate 200 and stopping valve 300, cover-opening structure 100 with only open slide plate 200 and connect, turn When dynamic cover-opening structure 100, cover-opening structure 100, which is able to drive, only opens the movement of slide plate 200.Slide plate 200 is only being opened in the setting of stopping valve 300 Motion track on, when pressure in pot body 10 is greater than preset value, stopping valve 300 by ejection move up and with only open slide plate 200 interference engagements, so that cover-opening structure 100 can not turn to uncapped position, wherein electric pressure cooking saucepan further includes cover board 400, cover board 400 lids, which are located at, only to be opened on slide plate 200, and position limiting structure 500 is provided between driving structure 80 and cover board 400, and position limiting structure 500 limits The moving range of driving structure 80 processed.Specifically, above-mentioned cover-opening structure 100 includes the rotation hand positioned at the upper surface of pot cover 20 Handle, and the bull stick being arranged in pot cover 20, the two are coaxially connected.Only opening slide plate 200 can linearly move (in Figure 25 It moves along the vertical direction).It is provided with long hole on cover-opening structure 100, only opens and is provided with connecting column on slide plate 200.Connecting column is worn In long hole.When handle is uncapped in user's rotation, only opens slide plate 200 and be driven and linearly move.Stopping valve 300 is column The Floater Structure of shape.When the pressure in pot body 10 is greater than preset value, stopping valve 300 is jacked up.When the pressure in pot body 10 is small When preset value, stopping valve 300 is fallen by self gravity.Therefore when the pressure in pot body 10 is greater than preset value, stopping valve 300 are jacked up, and the end for only opening slide plate 200 can't continue to exercise by the blocking of stopping valve 300, therefore user can not continue to turn Dynamic handle of uncapping, to make pot cover 20 that can not unlock relative to pot body 10, and plays the effect only opened.Above-mentioned cover board 400 covers It is located at and only opens on slide plate 200, and for only opening slide plate 200 and limit.Above-mentioned position limiting structure 500 is arranged in cover board 400 Between rotating block 82, and limit the slewing area of rotating block 82.The set-up mode of above-mentioned position limiting structure 500 can save pot Space in lid 20.

As shown in Figure 26 to Figure 29, in the technical scheme of this embodiment, the top of cover board 400 is arranged in rotating block 82, Position limiting structure 500 includes retaining convex rib 501 and limiting slot 502, and retaining convex rib 501 is arranged on the upper surface of cover board 400, is limited Slot 502 be arranged in rotating block 82 towards on the surface of cover board 400.Specifically, the length of limiting slot 502 is rotating block 82 Slewing area.And preferably, limiting slot 502 is arc groove, to prevent rotating block 82, structure is stuck during rotation.

As shown in Figure 18, Figure 20 and Figure 22, in the technical scheme of this embodiment, it is provided in pot cover 20 for accommodating limit The accommodating chamber 600 of pressure valve component 40 is arranged jagged 601 on the side wall of accommodating chamber 600.The first end of lever passes through notch 601 It stretches in accommodating chamber 600 and cooperates with pressure adjusting structure 42.Electric pressure cooking saucepan further includes diaphragm seal 700, is provided on diaphragm seal 700 Mounting hole 701, diaphragm seal 700 are set in outside lever by mounting hole 701, and diaphragm seal 700 is fixed on notch 601.Mounting hole 701 center line has predetermined angle relative to the center line of pressure limiting valve module 40, so that lever be not driven structure 80 Driving force when, the first end of lever is swung up under the action of the elastic force of diaphragm seal 700, and makes the first end of lever not Act on pressure limiting valve module 40.Specifically, bulge-structure is provided in pot cover 20, the inside of bulge-structure is hollow and lower part Connection in opening portion pot body 10, to form accommodating chamber 600.The side wall of bulge-structure opens up notch 601.It can from Figure 20 Arrive, when diaphragm seal 700 not by external force in a free state, the center line of mounting hole 701 is to be obliquely installed.So that working as Lever is not when being driven the driving force of structure 80, the first end of the lever elastic force upward by one, and make lever from The position of Figure 22 returns back to the position in Figure 20.The set-up mode of above-mentioned mounting hole 701 is played to lever auxiliary return Effect.

As shown in figure 30, in the technical scheme of this embodiment, electric pressure cooking saucepan further includes installation sheet 800, and installation sheet 800 is set It sets at notch 601.Diaphragm seal 700 is arranged on installation sheet 800.Wherein, for making lever is provided on installation sheet 800 The evacuation notch 801 that one end passes through is provided with positioning chimb 802 on the side of installation sheet 800, is provided with and passes through on diaphragm seal 700 The mounting groove 702 of logical diaphragm seal 700.Diaphragm seal 700 and the stacked setting of installation sheet 800, and chimb 802 is positioned across mounting groove It outward bending and is fixed at notch 601 after 702.Specifically, since diaphragm seal 700 is made of soft rubber material, diaphragm seal It needs to be fixed at notch 601 by installation sheet 800.Specifically, during installation, after positioning chimb 802 being passed through mounting groove 702 Outward bending is simultaneously fixed at notch 601.Positioning chimb 802 can be fixed at notch 601 by the placements such as welding, being clamped.

As shown in Figure 1 to Figure 3, in the technical scheme of this embodiment, pot cover 20 is located on liner 21 including liner 21, lid Cover 22 and the inner pot cover 23 that is arranged in below liner 21, exhaust passage 30 is the exhaust pipe being arranged on inner pot cover 23, Pressure limiting valve module 40 is arranged on inner pot cover 23.Specifically, above-mentioned driving structure 80 and drive mechanism 90 are arranged in liner 21 On.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached It does not need that it is further discussed in figure.

In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical, Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.

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 spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It 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), and And respective explanations are made to the opposite description in space used herein above.

In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this Apply for the limitation of protection scope.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of electric pressure cooking saucepan characterized by comprising

Pot body (10), to hold food to be cooked；

Pot cover (20), lid are located on the pot body (10), are provided with exhaust passage (30) in the pot cover (20)；

Pressure limiting valve module (40) cooperates with the exhaust passage (30)；

Lever and driving structure (80) are rotatably arranged in the middle part of the lever in the pot cover (20), the lever First end setting cooperates in the top of the pressure limiting valve module (40), the second end of the lever and the driving structure (80), The driving structure (80) can drive the first end of the lever to apply pressure to lower swing and to the pressure limiting valve module (40) Power, with and change the pressure limiting valve module (40) to the exhaust passage (30) pressure applied,

Wherein, the weight of the second end of the lever be greater than the lever first end weight so that the lever not by To the driving structure (80) driving force when, the second end of the lever can be under gravity to lower swing, and makes The first end of the lever does not act on the pressure limiting valve module (40).

2. electric pressure cooking saucepan according to claim 1, which is characterized in that the lever includes the first rod segment interconnected (91) cooperate with the second rod segment (92), the end of first rod segment (91) and the pressure limiting valve module (40), second bar The end and the driving structure (80) of section (92) cooperate, the material of first rod segment (91) and second rod segment (92) Material is different.

3. electric pressure cooking saucepan according to claim 2, which is characterized in that the weight of second rod segment (92) is greater than described the The weight of one rod segment (91).

4. electric pressure cooking saucepan according to claim 2, which is characterized in that the material of first rod segment (91) is metal, institute The material for stating the second rod segment (92) is POM.

5. electric pressure cooking saucepan according to claim 2, which is characterized in that lead between first rod segment and second rod segment Fastener is crossed to link together.

6. electric pressure cooking saucepan according to claim 1, which is characterized in that the driving structure (80) includes driving motor (81) And rotating block (82), the rotating block (82) are connected on the motor shaft of the driving motor (81), the driving motor (81) it is able to drive the rotating block (82) rotation, wherein be provided with inclined-plane (821), the lever on the rotating block (82) Second end and the inclined-plane (821) cooperate, the rotating block (82) rotate when, the second end of the lever is on the inclined-plane (821) position on changes, so that the second end of the lever is swung.

7. electric pressure cooking saucepan according to claim 6, which is characterized in that the inclined-plane (821) is fan-shaped surface.

8. electric pressure cooking saucepan according to claim 1, which is characterized in that the pressure limiting valve module includes pressure limiting valve body (41), pressure adjusting structure (42), the first elastic component (43) and the second elastic component (44), wherein the pressure limiting valve body (41) and institute Exhaust passage (30) cooperation is stated, the pressure adjusting structure (42) is located at the top of the pressure limiting valve body (41), first elasticity Part (43) is arranged between the pressure limiting valve body (41) and the pressure adjusting structure (42), and second elastic component (44) supports institute Pressure adjusting structure (42) are stated,

Wherein, the pressure adjusting structure (42) has initial position, and second elastic component (44) makes the pressure adjusting structure (42) position When the initial position, first elastic component (43) and the pressure limiting valve body (41) and/or the pressure adjusting structure (42) Between have gap, at this point, the pressure limiting valve body (41) is plugged in the exhaust passage (30), the pressure regulation with self gravity When structure (42) is moved down from the initial position is mobile, the both ends of first elastic component (43) respectively with the pressure regulation knot Structure (42) and the pressure limiting valve body (41) abut, and first elastic component (43) is compressed, to change the pressure limiting valve Ontology (41) blocks the pressure of the exhaust passage (30).

9. electric pressure cooking saucepan according to claim 1, which is characterized in that the pot cover (20) include liner (21), lid be located at The inner pot cover (23) of cover (22) and setting below the liner (21) on the liner (21), the exhaust passage It (30) is the exhaust pipe being arranged on the inner pot cover (23), the pressure limiting valve module (40) is arranged in the inner pot cover (23) On.

10. electric pressure cooking saucepan according to claim 8, which is characterized in that first elastic component (43) and second bullet Property part (44) is spring.