A kind of pressure cooker of one key unlock, pressure releaseTechnical field
The present invention relates to a kind of cookers, more particularly, to the pressure cooker of a kind of unlock of a key, pressure release.
Background technology
Air pressure of the common electric pressure cooking saucepan after cooked food in pot currently on the market is very high（50-90Kpa）, have on pot coverOne safety float rises through the hole that push rod is won in succession, and push rod, which is won in succession, is unable to radial level movement, pot cover of not opening at this time,Play the role of safeguard protection.But if user wants to think quickly to open again plus after some condiments or cooked food during cookingLid must just carry out manual exhaust because to allow the time that natural cooling is depressured very very long.
Manual exhaust has following several at present：1. being pressed down with a switch, weight valve, weight valve are tilted by connecting rodThe seal face for leaving exhaust pipe, is exhausted, when hand leaves, weight valve under gravity again and exhaust pipe sealingEnd face contacts, and is in sealing state.This exhaust mode is dangerous, and the steam of ejection is easy scald hand, because to press alwaysFirmly button could be vented.2. there are 2 buttons on pot cover, it is vented button and reset key.Exhaust button is pressed when to be vented,There is a screens on exhaust button, a position can be automatically locked in, weight is jacked up vertically under the action of connecting rod, make the close of weightEnd socket leaves the seal face of exhaust pipe, achievees the effect that exhaust.Pressing exhaust button defensive position at this time can take away, will not scaldHand, securely and reliably.It can uncap after draining gas.But the seal head for draining gas rear weight is constantly in the sealing for leaving exhaust pipeUnder end face, when under user it is secondary using pressure cooker when have to press reset key, exhaust button make after takeofing weight andThe seal face contact sealing of exhaust pipe, otherwise pressure cooker, can not normal use always in exhaust condition.Many users are frequentIt can forget to press exhaust button in use next time.Inconvenience is brought to user.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind can after manual pressure release and pressure release fromThe dynamic pressure cooker resetted.
To solve the above problems, technical solution provided by the invention is：A kind of pressure cooker of one key unlock, pressure release, includingPot and pot cover, the pot cover are equipped with gas vent and relief valve, and relief valve is set on gas vent, wherein is additionally provided with air exhaust rodWith air exhaust rod can be driven so that relief valve is at least partly detached from the driving device of gas vent pressure release valve action, be additionally provided with and driveDevice snapping can make the fastening device that driving device automatically resets after uncapping.
Further, the driving device includes button, the first elastic component and push rod, first elastic component oneEnd connect the other end and button connects with push rod.
Further, one end of the air exhaust rod is support end, is set to the lower section of relief valve, and the other end of air exhaust rod isPressure release force side, is equipped with pressure release fulcrum between support end and pressure release force side, the support end is connect with relief valve.
Further, the first push rod cup is additionally provided on the push rod, first push rod cup is made with pressure release force sideWith during pressing button, first push rod cup applies downward active force to pressure release force side makes the branchIt supports end and is detached from gas vent with pressure release valve action driving relief valve.
Further, the push rod includes fixing end and snapping end, and the fixing end is connect with the first elastic component, buttonConnecing end can be with fastening device snapping.
Further, the fastening device includes fixed seat, the second elastic component and telescopic rod, the described second elasticityPart one end is connect with fixed seat, and the other end is connect with shrinking connecting-rod.
Further, the telescopic rod is equipped with engaging portion, the engaging portion and snapping end snapping.
Further, it is equipped with handle at the top of the pot cover, the handle includes handle upper cover and handle lower cover, describedMiddle handle be equipped with through-hole, through-hole passes through handle upper cover and handle lower cover to form installation cavity；The button is set to installation cavityIn one end of handle upper cover, the first elastic component is set in installation cavity, and the fixing end of push rod is penetrated from handle lower cover in installation cavity.
Further, the lock of pot cover can be locked under the complete lid conjunction state of pot cover by being equipped between the pot body and pot coverDetermine device.
Further, the locking device includes bolt device and stop device, when pot cover is under complete lid conjunction stateWhen, the bolt device prevents pot cover from being rotated relative to pot body under the restriction of stop device.
Further, the bolt device includes bolt connecting rod, and one end of bolt connecting rod is equipped with fork, and the other end isBolt force side is equipped with bolt fulcrum between fork and bolt force side.
Further, it is additionally provided with the second push rod cup on the push rod, second push rod cup and bolt device are insertedForce side effect is sold, during pressing button, the push rod cup applies downward active force to bolt force side makes instituteThe fork stated is moved towards the direction far from stop device.
Further, the fork is column, and the stop device is poroid for that can be limited to forkOr protrusion, the pressure cooker body are equipped with middle ring, the stop device is set in middle ring.
Further, the fork and stop device be being capable of mutually matched dentation.
Further, it is additionally provided with the third that the fork can be driven to be moved to stop device on the bolt deviceElastic component.
Further, the third elastic component is set to above fork, or is provided close to the top of fork, Huo ZhesheIn the lower section close to bolt force side.
Further, the pot cover includes steel lid component, Liner Components and outer cap assemblies, and the Liner Components are set to steel lidOn component, the outer cap assemblies are set on Liner Components, and the bolt device is set between Liner Components and outer cap assemblies, describedThe outer of Liner Components is equipped with the first protrusion, and the outer cap assemblies are equipped with corresponding with first protrusion second and protrudePortion, the first protrusion are snapped together with the second protrusion, first protrusion be equipped with first through hole, the fork from thisFirst through hole is stretched out.
Further, connecting rod is additionally provided on the pot cover, one end of the connecting rod is equipped with connecting rod head, the other end and fixationSeat connection；The pot body is additionally provided with insulation cover, and insulation cover outer includes big round edge and small round edge；When rotation pot cover makes it uncapWhen, connecting rod head is slided from the small round edge of contact insulation cover to big round edge, and snapping end is detached with engaging portion, and the first push rod cup, which leaves, to be let outForce side, the second push rod cup is pressed to leave bolt force side.
Compared with prior art, advantageous effect is：The pressure cooker of a kind of key unlock provided by the invention, pressure release, passes throughThe cooperation of driving device and fastening device, when the button for pressing driving device just can realize manual pressure release, and in pressure leak processThe push rod snapping of fastening device and driving device, hand remains to continue to realize pressure release after leaving, after pressure release is completed to open pot cover,Snapping end is detached with engaging portion during uncapping, and row pressure driving device is realized under the action of the first elastic component and automatically reset, behaviourMake simply, the steam scald hand in manual pressure release can be prevented and prevent from forgetting to answer driving device when user's use next timePosition and lead to pressure cooker cisco unity malfunction.
Description of the drawings
Fig. 1 is overall structure exploded perspective view of the present invention.
Fig. 2 is pan structure schematic diagram of the present invention.
Fig. 3 is driving device structure schematic diagram of the present invention.
Fig. 4 is fastening device structural schematic diagram of the present invention.
Fig. 5 is bolt device structural schematic diagram of the present invention.
Fig. 6 is driving device of the present invention and fastening device linking status schematic diagram.
Fig. 7 is air exhaust rod structural schematic diagram of the present invention.
Fig. 8 is that driving device of the present invention, fastening device, bolt device and air exhaust rod connect exploded perspective view.
Fig. 9 is that driving device of the present invention drives bolt device movement to be unlocked structural schematic diagram.
Figure 10 is the structural schematic diagram that driving device of the present invention realizes snapping with fastening device.
Figure 11 is the structural schematic diagram that driving device of the present invention drives air exhaust rod realization pressure release.
Figure 12 is that driving device of the present invention is detached with fastening device, driving device realizes the structural schematic diagram to automatically reset.
Figure 13 be the first push rod cup in reseting procedure of the present invention, the second push rod cup respectively away from bolt force side and pressure release byThe structural schematic diagram at power end.
In attached drawing：
Pot body 1, shell 11, middle ring 111, lock hole 112, insulation cover 12, pot tooth 121, big round edge 122, small round edge 123, pot courage13
Pot cover 2, steel lid component 21, Liner Components 22, outer cap assemblies 23, gas vent 24, relief valve 25, handle 26, handle upper cover261, handle lower cover 262, float 27
Bolt device 3, bolt connecting rod 31, bolt force side 32, bolt fulcrum 33, bolt fulcrum bolt 34, third elastic component 35,Fork 36
Driving device 4, button 41, the first elastic component 42, push rod 43, fixing end 431, snapping end 432, the first push rod cup 433,Two push rod cups 434
Fastening device 5, telescopic rod 51, the second elastic component 52, fixed seat 53, engaging portion 54, fixing bolt 55, connecting rod 56, connecting rodFirst 57, the 5th elastic component 58
Air exhaust rod 61, pressure release force side 62, pressure release fulcrum 63, pressure release fulcrum bolt 64, the 4th elastic component 65, support end 66
Stop device 7.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodimentScheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawingIllustrate, should not be understood as the limitation to this patent.
Embodiment 1
As shown in Figure 1 and Figure 2, the pressure cooker of a kind of key unlock, pressure release, including pot body 1 and pot cover 2, pot body 1 include shell 11With insulation cover 12, insulation cover 12 is made by metal material, and pot courage 13 is equipped in insulation cover 12, and pot courage 13 is protected for holding food12 upper end outers of warm cover are equipped with several pot tooths 121, and the pot tooth 121 is so that 12 outer of insulation cover forms the great circle that diameter does not waitSide 122 and small round edge 123, so-called big round edge 122 are bound by 121 outer of pot tooth, so-called small round edge 123 by pot tooth 121 withIt defines 12 outer of insulation cover between pot tooth 121.Pot cover 2 is equipped with buckle teeth, and buckle teeth quantity is corresponding with 121 quantity of pot tooth, works as potWhen lid 2 is in complete lid conjunction state, the buckle teeth on pot cover 2 is corresponding with 121 position of pot tooth, and buckle teeth fastens pot tooth 121, plays sealingThe effect of pot cover 2；When on pot cover 2 buckle teeth and pot tooth 121 be in staggered positions when, pot cover 2 then releases lid conjunction state, at this time onlyPot cover 2, which need to be lifted, to detach pot cover 2 and pot body 1.On shell 11 middle ring 111,111 1 side of middle ring are equipped with around insulation cover 12Face can receive the moisture from water clock from pot courage 13 or pot cover 2, on the other hand be provided again for the setting of other component certainSpace.
Pot cover 2 includes steel lid component 21, Liner Components 22 and outer cap assemblies 23, and steel lid component 21 is generally rigid structural,With very high intensity, buckle teeth is just arranged in the outer of steel lid component 21, and so-called buckle teeth is the part outer by steel lid component 21Inside turnup is formed, and Liner Components 22 are set on steel lid component 21 and fit together with steel lid component 21, and outer cap assemblies 23 are set toIt is snapped together on Liner Components 22 and with Liner Components 22, handle and relief valve 25 is typically provided on outer cap assemblies 23.
As shown in Figures 3 to 6, further include bolt device 3, stop device 7, driving device 4 and fastening device 5, backstopDevice 7 coordinates with bolt device 3, and pot cover 2 can be prevented to be rotated relative to pot body 1 under complete hamper state；4 energy of driving deviceEnough blockings for driving bolt device 3 to be detached from stop device 7 under 2 complete hamper state of pot cover；Fastening device 5 and driving device 4Cooperation can prevent tripper from being moved to the direction far from bolt device 3 during driving, when pot cover 2 is relative to pot body 1When rotation, driving device 4 can relative to engaging portion 54 rotate and be detached from engaging portion 54 blocking realization automatically reset.
As shown in figure 3, specifically, driving device 4 includes button 41, the first elastic component 42 and push rod 43, push rod 43 wrapsFixing end 431 and snapping end 432 are included, fixing end 431 is connect with the first elastic component 42, and snapping end 432 can be detained with fastening device 5It connects.Fastening device 5 includes fixed seat 53, the second elastic component 52 and telescopic rod 51,52 one end of the second elastic component and fixed seat 53Connection, the other end are connect with shrinking connecting-rod 56, and one end of telescopic rod 51 is equipped with groove, and the first elastic component 42 is set in groove, stretchesThe other end of contracting bar 51 is equipped with engaging portion 54, and engaging portion 54 can prevent driving device 4 from moving upwards with 432 snapping of snapping end.Second elastic component 52 is set between telescopic rod 51 and fixed seat 53, can make telescopic rod 51 under the action of the second elastic component 52It says square to free stretching motion.Wherein, the first push rod cup 433, the first push rod cup 433 and bolt device are additionally provided on push rod 433 bolt force side 32 acts on, and during pressing button 41, push rod 43 applies bolt force side 32 downward effectPower makes the fork 36 be moved towards the direction far from stop device 7.Under the action of push rod 43, fork 36 leaves onlyThe pot cover 2 of blocking means 7, pressure cooker can be rotated relative to pot body 1, complete action of uncapping.
2 top of pot cover is equipped with handle 26, and handle 26 includes handle upper cover 261 and handle lower cover 262, and 26 middle part of handle is equipped withThrough-hole, through-hole pass through handle upper cover 261 and handle lower cover 262 to form installation cavity；Button 41 is set to installation cavity in handle upper cover 261One end, the first elastic component 42 is set in installation cavity, the fixing end 431 of push rod 43 from handle lower cover 262 penetrate in installation cavity withOne end of first elastic component 42 connects, and the other end of third elastic component 35 is connect with button 41.
As shown in figure 4, being additionally provided with connecting rod 56 on pot cover 2, one end of connecting rod 56 is equipped with connecting rod head 57, the other end and fixed seat53 connections, fixed seat 53 are fixed on by fixing bolt 55 on connecting rod 56；Pot body 1 is additionally provided with insulation cover 12,12 outer of insulation coverIncluding big round edge 122 and small round edge 123；When rotate pot cover 2 so that it is uncapped when, connecting rod head 57 by contact insulation cover 12 small round edge123 slide to big round edge 122, at this point, snapping end 432 is detached with engaging portion 54, effect of the driving device 4 in the first elastic component 42Under move upwards reset, meanwhile, the first push rod cup 433 leaves bolt force side 32, and bolt device 3 is in third elastic component 35 and insertsIt under the action of selling fulcrum 33, sets back, the pin hole of the reeve of fork 36 middle ring 111 is prepared when being next box cover.
As shown in figure 5, specifically, bolt device 3 is set on pot cover 2, stop device 7 is set in pot body 1.Bolt device 3Including bolt connecting rod 31, one end of bolt connecting rod 31 is equipped with fork 36, and the other end is bolt force side 32, fork 36 with insertPin is equipped with bolt fulcrum 33 between force side 32, and bolt fulcrum 33 is fixed on by bolt fulcrum bolt 34 on pot cover 2.Bolt connectsBar 31 is preferably bar shaped laminated structure, and bolt connecting rod 31 can have corresponding shape or bending or curvature, can be more preferablePot cover 2 shape in ground is wanted to coordinate.Fork 36 is column, and stop device 7 is poroid or convex for that can be limited to fork 36It rises, the present embodiment preferably sets stop device 7 to the cavernous structure being set in middle ring 111, that is, is set as lock hole 112.
Wherein, bolt device 3 is set between Liner Components 22 and outer cap assemblies 23, and the outer of the Liner Components 22 is equipped withFirst protrusion, outer cap assemblies 23 are equipped with the second protrusion corresponding with the first protrusion, the first protrusion and the second protrusionIt snaps together, the first protrusion is equipped with first through hole, and fork 36 is stretched out from the first through hole, bolt fulcrum 33 and pot cover 2Connection, bolt connecting rod 31 can be rotated around bolt fulcrum 33.
In addition, being additionally provided with the third elastic component that the fork 36 can be driven to be moved to stop device 7 on bolt device 335, third elastic component 35 is preferably spring or shrapnel or rubber band.Third elastic component 35 can be set to 36 top of fork, can alsoIt is provided close to the top of fork 36, or is provided close to the lower section of bolt force side 32, in a word the effect of third elastic component 35It is the direction for fork 36 to be driven onto to stop device 7.
Float 27 is additionally provided on pot cover 2, connecting rod 56 is equipped with 56 through-hole of connecting rod, matching between 56 through-hole of connecting rod and float 27Conjunction relationship is same as the prior art, i.e., the small lower end diameter of 27 mid diameter of float is big, and under natural conditions, 27 middle part of float may pass through56 through-hole of connecting rod, at this point, connecting rod 56 can do horizontal radial movement, when the increase of pressure cooker internal pressure to a certain extent after, float27 rise and with its lower end block connecting rod 56 prevent connecting rod 56 move horizontally.
Embodiment 2
The present embodiment improves the structural form of fork 36 and stop device 7 on the basis of embodiment 1, specific nextSay, fork 36 and stop device 7 can also be can mutually matched dentalation, including monodentate structure and multiple tooth structure,Or may be other being capable of intermeshing structure.
Embodiment 3
On the basis of embodiment 1, the pressure cooker lid 2 is equipped with gas vent 24 and relief valve 25, and gas vent 24 is set to potOn lid 2, and with unicom in pot, relief valve 25 be mounted on gas vent 24 upper end, under natural conditions, relief valve 25 is pressed in gas ventOn 24, play sealing function, air pressure prevented in pot to reveal, when needing pressure release, can lift relief valve 25 make relief valve 25 withExhaust outlet separation on gas vent 24, the air pressure inside pressure cooker at this time can be by between gas vent 24 and relief valve 25Gap is discharged.
As shown in Figure 7, Figure 8, in the present embodiment, pressure cooker is additionally provided with air exhaust rod 61, and one end of pressure release bar is support end66, it is set to the lower section of relief valve 25, to prop up relief valve 25 when pressure release, the other end of pressure release bar is pressure release force side62, pressure release fulcrum 63 is equipped between support end 66 and pressure release force side 62, the pressure release fulcrum 63 passes through pressure release fulcrum bolt 64It on pot cover 2, is specifically mounted between Liner Components 22 and outer cap assemblies 23, pressure release bolt passes through pressure release fulcrum 63Pressure release driving device 4 is mounted on pot cover 2.When applying downward power to pressure release force side 62, support end 66 will be upturnedAnd relief valve 25 is driven to shift up the exhaust outlet for making relief valve 25 be detached from gas vent 24, pressure release may be implemented at this time, to letting outWhen pressure force side 62 applies upward power, support end 66 moves down, and relief valve 25 is pressed in again under the effect of gravityOn gas vent 24, gas vent 24 is resealed.
As shown in figure 3, in addition, be additionally provided with the second push rod cup 434 on the push rod 43 of driving device 4, when pressing driving dressWhen setting 4 button 41, snapping end 432 and 54 snapping of engaging portion on fastening device 5, driving device 4 on push rod 43 are fixed,At this point, the second push rod cup 434 and the pressure release force side 62 of air exhaust rod 61 act on, apply downward effect to pressure release force side 62Power, air exhaust rod 61 are rotated around pressure release fulcrum 63, to drive support end 66 and relief valve 25 to act on, to relief valve 25 apply toOn active force, so that relief valve 25 is left gas vent 24, realize pressure release action.During manual pressure release, push away due to firstHead 433 and the second push rod cup 434 are set on the push rod 43 of driving device 4, so that push rod 43 is filled with snapping in pressing button 41After setting 5 snappings, the first push rod cup 433 realizes the unlock of pot cover 2, the second push rod cup 434 and pressure release with the effect of bolt force side 32The pressure release action of pressure cooker is realized in the effect of force side 62；But still cannot uncap at this time, because the pressure in pot is still very big,The float 27 of pressure cooker cover 2 is still within propradation, only when in pot steam it is drained, pressure drops to float 27 and returns to original positionShi Caineng carries out action of uncapping；During exhaust, since driving device 4 is locked by fastening device 5, by lower button 41Afterwards, hand can leave button 41, prevent steam opponent from damaging.
After the completion of pressure release, float 27 is fallen down, and during rotating pot cover 2, engaging portion 54 is left at snapping end 432, pressesButton 41 moves upwards realization under the action of the first elastic component 42 and resets, and the first push rod cup 433 leaves bolt force side 32, boltFirst 36 rotate around bolt fulcrum 33 and return to original position and prepare for lock out action next time；Meanwhile second push rod cup 434 also leavePressure release force side 62, support end 66 rotate under the gravity of relief valve 25 around pressure release fulcrum 63, and relief valve 25 is also at itselfGravity under move downward and and gas vent 24 contact, make gas vent 24 again be in sealing state, can effectively prevent disappearingThe person of expense forgets to playback relief valve 25 and leads to pressure cooker cisco unity malfunction when using pressure cooker.
Operation principle：
As shown in Fig. 9 to 13, when pot cover 2 is put in the uncapped position of pot body 1, the i.e. initial position of 2 closing lid of pot cover, driving at this time fillsSet 4 push rod 43 and button 41 under the action of the second elastic component 4, be in discrete state with fastening device 5, weight valve fromBeing compressed under the action of body gravity at gas vent 24 makes gas vent 24 be in sealing state, and air exhaust rod 61 is in the 4th elastic component 65 at this timeUnder the action of, support end 66 is in the position far from relief valve 25.
When pot cover 2 is rotated to complete lid conjunction state, i.e., the pot tooth 121 in the buckle teeth and insulation cover 12 on pot cover 2 corresponds toWhen fastening, the fork 36 of bolt connecting rod 31 is inserted into poroid in middle ring 111 under the action of third elastic component 35In stop device 7, and then pot cover 2 is locked, relief valve 25 is pressed on gas vent 24, and pressure cooker is in sealing state at this time.
During pressure cooker cooking food, after pressure cooker air pressure inside reaches a certain level, for example reach 4KpaWhen, the float 27 on pressure cooker lid 2 rises and blocks connecting rod 56, and connecting rod 56 can not do the displacement in horizontal direction at this time, evenHead 57 is hampered by big round edge 122 and so that pot cover 2 can not be rotated.
When needing to uncap, the button 41 of driving device 4 is pressed, button 41 squeezes the first elastic component 42, drives push rod 43It moves downward, to make 54 snapping of engaging portion at snapping end 432 and fastening device 5, driving device 4 is locked, at this point, secondPush rod cup 434 and the pressure release force side 62 of air exhaust rod 61 act on, and apply downward active force, air exhaust rod 61 to pressure release force side 62It is rotated around pressure release fulcrum 63, to drive support end 66 to be acted on relief valve 25, applies upward active force to relief valve 25,So that relief valve 25 is left gas vent 24, realizes pressure release action.During manual pressure release, due to the first push rod cup 433 andTwo push rod cups 434 are set on the push rod 43 of driving device 4, after pressing button 41 makes push rod 43 and 5 snapping of fastening device, theOne push rod cup 433 realizes that the unlock of pot cover 2, the second push rod cup 434 are acted on pressure release force side 62 with the effect of bolt force side 32Realize the pressure release action of pressure cooker；But still cannot uncap at this time, because the pressure in pot is still very big, pressure cooker cover 2Float 27 is still within propradation, and when pressure release is to a certain degree, the float 27 on pot cover 2 declines, and further relieves to potThe locking of lid 2.
During rotating pot cover 2, engaging portion 54, effect of the button 41 in the first elastic component 42 are left in snapping end 432Under move upwards realization and reset, the first push rod cup 433 leaves bolt force side 32, and fork 36 is rotated around bolt fulcrum 33 and returnedIt prepares in situ for lock out action next time；Meanwhile second push rod cup 434 also leave pressure release force side 62, support end 66 existsRotated around pressure release fulcrum 63 under the gravity of relief valve 25, relief valve 25 also move downward under the gravity of itself again withGas vent 24 contact, make gas vent 24 again be in sealing state, can effectively prevent consumer using pressure cooker when, forget byRelief valve 25 playbacks and leads to pressure cooker cisco unity malfunction.
When user needs to uncap, user need to only press the button 41 of driving device 4, you can a key realizes pressure release and unlockAction, it is easy to operate, and during uncapping, driving device 4 and relief valve 25 can automatically reset again, and user uses next timeWhen pressure cooker, only pot cover 2 need to be turned to closing lid, without other actions, be effectively simplified the operating procedure of pressure cooker,It ensure that security performance when pressure cooker uses.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pairThe restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above descriptionTo make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all thisAll any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of inventionProtection domain within.