CN108294616A - A kind of pressure cooker of one key unlock, pressure release - Google Patents

A kind of pressure cooker of one key unlock, pressure release Download PDF

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Publication number
CN108294616A
CN108294616A CN201810145960.5A CN201810145960A CN108294616A CN 108294616 A CN108294616 A CN 108294616A CN 201810145960 A CN201810145960 A CN 201810145960A CN 108294616 A CN108294616 A CN 108294616A
Authority
CN
China
Prior art keywords
pressure release
bolt
push rod
pressure
pressure cooker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810145960.5A
Other languages
Chinese (zh)
Inventor
夏云彪
张鸿昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHONGSHAN YALESI (RILEOSIP) ELECTRIC INDUSTRIAL Co Ltd
Original Assignee
ZHONGSHAN YALESI (RILEOSIP) ELECTRIC INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHONGSHAN YALESI (RILEOSIP) ELECTRIC INDUSTRIAL Co Ltd filed Critical ZHONGSHAN YALESI (RILEOSIP) ELECTRIC INDUSTRIAL Co Ltd
Priority to CN201810145960.5A priority Critical patent/CN108294616A/en
Publication of CN108294616A publication Critical patent/CN108294616A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/08Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/0804Locking devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/08Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/0804Locking devices
    • A47J27/0815Locking devices where vessel and lid have adapted shapes to provide for the locking action
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/08Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09Safety devices including the pressure indicators
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/08Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09Safety devices including the pressure indicators
    • A47J27/092Devices for automatically releasing pressure before opening

Abstract

The present invention relates to a kind of cookers, more specifically, it is related to the pressure cooker of a kind of unlock of a key, pressure release, including pot and pot cover, the pot cover is equipped with gas vent and relief valve, and relief valve is set on gas vent, it is characterised in that, it is additionally provided with air exhaust rod and 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, the fastening device that driving device automatically resets after uncapping can be made with driving device snapping by being additionally provided with.The pressure cooker of a kind of key unlock provided by the invention, pressure release, user only need the button of a key pressing driving device, you can while realizing unlock and the pressure release action of pot cover, it is simple and convenient.

Description

A kind of pressure cooker of one key unlock, pressure release
Technical 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 cover One 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 cooking Lid 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 rod The seal face for leaving exhaust pipe, is exhausted, when hand leaves, weight valve under gravity again and exhaust pipe sealing End face contacts, and is in sealing state.This exhaust mode is dangerous, and the steam of ejection is easy scald hand, because to press always Firmly 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 weight End 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 scald Hand, 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 pipe Under end face, when under user it is secondary using pressure cooker when have to press reset key, exhaust button make after takeofing weight and The seal face contact sealing of exhaust pipe, otherwise pressure cooker, can not normal use always in exhaust condition.Many users are frequent It 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 from The 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, including Pot 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 rod With 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 drive Device 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 one End 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 is Pressure 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 side With during pressing button, first push rod cup applies downward active force to pressure release force side makes the branch It 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, button Connecing end can be with fastening device snapping.
Further, the fastening device includes fixed seat, the second elastic component and telescopic rod, the described second elasticity Part 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, described Middle 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 cavity In 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 cover Determine device.
Further, the locking device includes bolt device and stop device, when pot cover is under complete lid conjunction state When, 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 is Bolt 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 inserted Force side effect is sold, during pressing button, the push rod cup applies downward active force to bolt force side makes institute The 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 fork Or 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 device Elastic component.
Further, the third elastic component is set to above fork, or is provided close to the top of fork, Huo Zheshe In 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 lid On component, the outer cap assemblies are set on Liner Components, and the bolt device is set between Liner Components and outer cap assemblies, described The outer of Liner Components is equipped with the first protrusion, and the outer cap assemblies are equipped with corresponding with first protrusion second and protrude Portion, the first protrusion are snapped together with the second protrusion, first protrusion be equipped with first through hole, the fork from this First 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 fixation Seat 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 uncap When, 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 out Force 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 through The cooperation of driving device and fastening device, when the button for pressing driving device just can realize manual pressure release, and in pressure leak process The 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, behaviour Make 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 time Position 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 by The 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 courage 13
Pot cover 2, steel lid component 21, Liner Components 22, outer cap assemblies 23, gas vent 24, relief valve 25, handle 26, handle upper cover 261, 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 rod First 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 embodiment Scheme 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 drawing Illustrate, 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 11 With 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 food 12 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 wait Side 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 with It 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 pot When 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 sealing The 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 only Pot 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 12 Face 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 certain Space.
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 21 Inside 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 to It 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, backstop Device 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 device Enough 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 4 Cooperation 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 1 When 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 wraps Fixing 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 5 It 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 53 Connection, 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, stretches The 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 52 It 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 43 3 bolt force side 32 acts on, and during pressing button 41, push rod 43 applies bolt force side 32 downward effect Power makes the fork 36 be moved towards the direction far from stop device 7.Under the action of push rod 43, fork 36 leaves only The 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 with Through-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 261 One 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 with One 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 seat 53 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 cover Including 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 edge 123 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 42 Under 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 inserts It 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 3 Including 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 insert Pin 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 connects Bar 31 is preferably bar shaped laminated structure, and bolt connecting rod 31 can have corresponding shape or bending or curvature, can be more preferable Pot 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 36 It 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 with First protrusion, outer cap assemblies 23 are equipped with the second protrusion corresponding with the first protrusion, the first protrusion and the second protrusion It 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 2 Connection, 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 3 35, 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 also It 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 35 It 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 27 Conjunction 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 through 56 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, float 27 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 next Say, 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 pot On 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 vent On 24, play sealing function, air pressure prevented in pot to reveal, when needing pressure release, can lift relief valve 25 make relief valve 25 with Exhaust 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 25 Gap 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 end 66, 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 side 62, 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 64 It on pot cover 2, is specifically mounted between Liner Components 22 and outer cap assemblies 23, pressure release bolt passes through pressure release fulcrum 63 Pressure 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 upturned And 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 out When pressure force side 62 applies upward power, support end 66 moves down, and relief valve 25 is pressed in again under the effect of gravity On 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 dress When 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 62 Power, 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 to On active force, so that relief valve 25 is left gas vent 24, realize pressure release action.During manual pressure release, push away due to first Head 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 41 After 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 32 The 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 position Shi Caineng carries out action of uncapping;During exhaust, since driving device 4 is locked by fastening device 5, by lower button 41 Afterwards, 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, presses Button 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, bolt First 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 leave Pressure 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 itself Gravity under move downward and and gas vent 24 contact, make gas vent 24 again be in sealing state, can effectively prevent disappearing The 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 fills Set 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 from Being 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 time Under 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 to When fastening, the fork 36 of bolt connecting rod 31 is inserted into poroid in middle ring 111 under the action of third elastic component 35 In 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 4Kpa When, 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, even Head 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 43 It 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, second Push 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 62 It 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 and Two 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, the One 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 32 Realize 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 2 Float 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 pot The 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 432 Under 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 returned It 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 exists Rotated around pressure release fulcrum 63 under the gravity of relief valve 25, relief valve 25 also move downward under the gravity of itself again with Gas vent 24 contact, make gas vent 24 again be in sealing state, can effectively prevent consumer using pressure cooker when, forget by Relief 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 unlock Action, it is easy to operate, and during uncapping, driving device 4 and relief valve 25 can automatically reset again, and user uses next time When 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 pair The 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 description To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention Protection domain within.

Claims (19)

1. the pressure cooker of a kind of key unlock, pressure release, including pot and pot cover, the pot cover are equipped with gas vent and relief valve, Relief valve is set on gas vent, which is characterized in that is additionally provided with air exhaust rod and air exhaust rod can be driven to make pressure release to pressure release valve action Valve is at least partly detached from the driving device of gas vent, and being additionally provided with can make driving device automatic after uncapping with driving device snapping The fastening device of reset.
2. the pressure cooker of a kind of key unlock according to claim 1, pressure release, which is characterized in that the driving device Including button, the first elastic component and push rod, the first described elastic component one end connect the other end and button connects with push rod.
3. the pressure cooker of a kind of key unlock according to claim 2, pressure release, which is characterized in that the air exhaust rod One end is support end, is set to the lower section of relief valve, and the other end of air exhaust rod is pressure release force side, support end and pressure release force side it Between be equipped with pressure release fulcrum, the support end connect with relief valve.
4. the pressure cooker of a kind of key unlock according to claim 3, pressure release, which is characterized in that on the push rod also Equipped with the second push rod cup, second push rod cup is acted on pressure release force side, during pressing button, described second Push rod cup applies downward active force to pressure release force side makes the support end drive relief valve to be detached from row with pressure release valve action Stomata.
5. the pressure cooker of a kind of key unlock according to claim 4, pressure release, which is characterized in that in the air exhaust rod It is additionally provided with the 4th elastic component, the 4th elastic component is set to the side that support end is contacted with relief valve, or is set to pressure release stress The other side at end and the effect of the second push rod cup.
6. the pressure cooker of a kind of key unlock according to claim 2, pressure release, which is characterized in that the push rod includes Fixing end and snapping end, the fixing end are connect with the first elastic component, and snapping end can be with fastening device snapping.
7. the pressure cooker of a kind of key unlock according to claim 6, pressure release, which is characterized in that the fastening device Including fixed seat, the second elastic component and telescopic rod, the second described elastic component one end is connect with fixed seat, the other end with it is flexible Connecting rod connects.
8. the pressure cooker of a kind of key unlock according to claim 7, pressure release, which is characterized in that on the telescopic rod Equipped with engaging portion, the engaging portion and snapping end snapping.
9. the pressure cooker of a kind of key unlock according to claim 6, pressure release, which is characterized in that at the top of the pot cover Equipped with handle, the handle includes handle upper cover and handle lower cover, and the middle handle is equipped with through-hole, and through-hole passes through handle Upper cover and handle lower cover form installation cavity;The button is set to installation cavity in one end of handle upper cover, and the first elastic component is set to In installation cavity, the fixing end of push rod is penetrated from handle lower cover in installation cavity.
10. the pressure cooker of a kind of key unlock according to claim 8, pressure release, which is characterized in that the pot body and pot The locking device of pot cover can be locked under the complete lid conjunction state of pot cover by being equipped between lid.
11. the pressure cooker of a kind of key unlock according to claim 10, pressure release, which is characterized in that the locking device Including bolt device and stop device, when pot cover is under complete lid conjunction state, limit of the bolt device in stop device It fixs and pot cover is prevented to be rotated relative to pot body.
12. the pressure cooker of a kind of key unlock according to claim 10, pressure release, which is characterized in that the bolt dress It sets including bolt connecting rod, one end of bolt connecting rod is equipped with fork, and the other end is bolt force side, fork and bolt force side Between be equipped with bolt fulcrum.
13. the pressure cooker of a kind of key unlock according to claim 12, pressure release, which is characterized in that on the push rod It is additionally provided with the first push rod cup, the bolt force side effect of first push rod cup and bolt device, in the process of pressing button In, the push rod cup applies downward active force to bolt force side makes the fork towards the direction far from stop device It is mobile.
14. the pressure cooker of a kind of key unlock according to claim 12, pressure release, which is characterized in that the fork is Column, the stop device is poroid or raised for that can be limited to fork, during the pressure cooker body is equipped with Ring, the stop device are set in middle ring.
15. the pressure cooker of a kind of key unlock according to claim 14, pressure release, which is characterized in that the fork and Stop device is being capable of mutually matched dentation.
16. the pressure cooker of a kind of key unlock according to claim 12, pressure release, which is characterized in that the bolt dress Set the third elastic component for being additionally provided with and the fork capable of being driven to be moved to stop device.
17. the pressure cooker of a kind of key unlock according to claim 16, pressure release, which is characterized in that the third elasticity Part is set to above fork, is either provided close to the top of fork or is provided close to the lower section of bolt force side.
18. the pressure cooker of a kind of key unlock according to claim 13, pressure release, which is characterized in that the pot cover includes Steel lid component, Liner Components and outer cap assemblies, the Liner Components are set on steel lid component, and the outer cap assemblies are set to liner group On part, the bolt device is set between Liner Components and outer cap assemblies, and the outer of the Liner Components is equipped with the first protrusion, The outer cap assemblies are equipped with the second protrusion corresponding with first protrusion, and the first protrusion is fastened on the second protrusion Together, first protrusion is equipped with first through hole, and the fork is stretched out from the first through hole.
19. the pressure cooker of a kind of key unlock according to claim 13, pressure release, which is characterized in that on the pot cover also Equipped with connecting rod, one end of the connecting rod is equipped with connecting rod head, and the other end is connect with fixed seat;The pot body is additionally provided with heat preservation Cover, insulation cover outer includes big round edge and small round edge;When rotate pot cover so that it is uncapped when, connecting rod head by contact insulation cover roundlet While being slided to big round edge, snapping end is detached with engaging portion, and the second push rod cup leaves pressure release force side, and the first push rod cup leaves bolt Force side.
CN201810145960.5A 2018-02-12 2018-02-12 A kind of pressure cooker of one key unlock, pressure release Pending CN108294616A (en)

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