CN208755693U - A kind of pressure cooker that key unlock automatically resets - Google Patents

Abstract

The utility model relates to a kind of cookers, more specifically, it is related to a kind of pressure cooker that key unlock automatically resets, including pot and pot cover, it further include bolt device, stop device, unlock driving device and fastening device, the stop device and bolt device cooperates, and pot cover can be prevented to rotate under complete hamper state relative to pot body；The unlock driving device can drive the blocking of bolt device disengaging stop device under the complete hamper state of pot cover；The fastening device and unlock driving device cooperation, tripper can be prevented to move during driving to the direction far from bolt device, when pot cover relative to pot body rotate when, the unlock driving device can be rotated relative to engaging portion and be detached from engaging portion blocking realize automatically reset.The utility model had not only been able to achieve key unlock, but also was able to achieve automatically reseting for unlock driving device, easy to operate.

Description

A kind of pressure cooker that key unlock automatically resets

Technical field

The utility model relates to a kind of cookers, unlock the pressure cooker to automatically reset more particularly, to an a kind of key.

Background technique

Common electric pressure cooking saucepan cover opening safety device is such that there is a push rod connecting plate on pressure cooker cover currently on the market, Big edge and small edge are equipped on insulation cover, push rod connecting plate can make water along the size edge of insulation cover with the lid of rotation Square to movement.There is a hole on push rod connecting plate, a hole is equipped on pot cover, hole is equipped with a float.Lid is closed, when When having pressure in pot, float rises, and float head passes through the hole of push rod connecting plate after rising, and has air pressure (being greater than 4Kpa) in pot at this time, Push rod connecting plate is blocked due to float head not move backward, push rod win in succession on push rod cup block the big edge of insulation cover；At this time one As in the case of do not open lid.But when user is uncapped with (power of 120N) energetically, since firmly rear steel lid can become Ovalisation, it is possible to open lid.It uncaps in the case where having air pressure (being greater than 4Kpa) in pot, the high-temperature gas in pot is very It is easy scald people, there is very big security risk.In addition, after float sinks, mentioning pot with pot cover in the state of not having pressure In the process, it since pot cover can be freely rotated, is also easy to pot cover during mentioning pot and slides, cause pot body to skid off pot cover and fall down Come, causes food in pot to scald user, there are security risks.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide can after a kind of band bolt device, unlock from The dynamic pressure cooker resetted.

To solve the above problems, technical solution provided by the utility model are as follows: a kind of pressure that key unlock automatically resets Pot, including pot and pot cover, wherein further include bolt device, stop device, unlock driving device and fastening device, it is described Stop device and bolt device cooperate, can prevent pot cover under complete hamper state relative to pot body rotate；The solution Lock driving device can drive the blocking of bolt device disengaging stop device under the complete hamper state of pot cover；The snapping dress It sets and cooperates with unlock driving device, tripper can be prevented to move during driving to the direction far from bolt device, when When pot cover is rotated relative to pot body, the unlock driving device can rotate relative to engaging portion and be detached from the blocking of engaging portion Realization automatically resets.

Further, the unlock driving device includes button, the first elastic component and push rod, first elasticity Part one end connect the other end with push rod and connect with button.

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 fixing seat, the second elastic component and telescopic rod, second elasticity Part one end is connect with fixing 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 and forms 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 penetrates in installation cavity from handle lower cover.

Further, the bolt device includes bolt connecting rod, and one end of bolt connecting rod is equipped with fork, is separately made described Fork it is mobile 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, described slotting one end is bolt force side, and bolt fulcrum is equipped between fork and bolt force side.

Further, push rod cup, the bolt force side of the push rod cup and bolt device are additionally provided on the push rod Effect, during push button, the push rod cup applies bolt force side also to be set on downward active force pin assembly There is the third elastic component that the fork can be driven mobile to stop device.

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, first elastic component, the second elastic component, third elastic component are spring or elastic slice.

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 the second protrusion corresponding with first protrusion 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 separated with engaging portion, push rod cup leave bolt by Power end.

Compared with prior art, beneficial effect is: the utility model passes through the cooperation of bolt device and stop device, realizes Lock function of the pot cover under hamper state, is able to achieve the locking of pot cover in the absence of stress；It is needing to open Gai Shi, by lower button, the push rod cup by unlocking driving device applies pressure to bolt device, and unlock stop device fills bolt The locking set, after unlock during rotation is uncapped, unlock driving device leaves engaging portion, unlocks driving device in the first bullet Property part under the action of realize and automatically reset, complete the process uncapped while realizing automatically reseting for unlock driving device, operation letter It is single.

Detailed description of the invention

Fig. 1 is the utility model overall structure perspective view of the explosion.

Fig. 2 is the utility model pan structure schematic diagram.

Fig. 3 is the utility model driving device structure schematic diagram.

Fig. 4 is the utility model fastening device structural schematic diagram.

Fig. 5 is the utility model bolt device structural schematic diagram.

Fig. 6 is the utility model driving device and fastening device linking status schematic diagram.

Fig. 7 is the utility model air exhaust rod structural schematic diagram.

Fig. 8 is that the utility model driving device, fastening device, bolt device and air exhaust rod connect perspective view of the explosion.

Fig. 9 is that the utility model driving device drives bolt device movement to be unlocked structural schematic diagram.

Figure 10 is the structural schematic diagram that the utility model driving device and fastening device realize snapping.

Figure 11 is the structural schematic diagram that the utility model driving device drives air exhaust rod realization pressure release.

Figure 12 is that the utility model driving device is separated with fastening device, driving device realizes the structural representation to automatically reset Figure.

Figure 13 is that the first push rod cup, the second push rod cup respectively away from bolt force side and are let out in the utility model reseting procedure Press the structural schematic diagram of force side.

In attached drawing in figure:

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 gallbladder 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 elasticity Part 35, fork 36

Unlock driving device 4, button 41, the first elastic component 42, push rod 43, fixing end 431, snapping end 432, the first push rod First 433, second push rod cup 434

Fastening device 5, telescopic rod 51, the second elastic component 52, fixing seat 53, engaging portion 54, fixing bolt 55, connecting rod 56, Connecting rod head 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 embodiment

The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached 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 positional relationship is 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 outer Shell 11 and insulation cover 12, insulation cover 12 are made by metal material, pot gallbladder 13 are equipped in insulation cover 12, pot gallbladder 13 is for holding food Object, 12 upper end outer of insulation cover are equipped with several pot tooths 121, which differ 12 outer of insulation cover formation diameter Big round edge 122 and small round edge 123, so-called big round edge 122 is bound by 121 outer of pot tooth, and so-called small round edge 123 is by pot tooth It defines 12 outer of insulation cover between 121 and pot tooth 121.Pot cover 2 is equipped with buckle teeth, and buckle teeth quantity is corresponding with 121 quantity of pot tooth, When pot cover 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 The effect of sealed 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, this When need to only lift pot cover 2 and pot cover 2 and pot body 1 can be separated.Middle ring 111, middle ring 111 are equipped with around insulation cover 12 on shell 11 On the one hand it can receive the moisture content from water clock from pot gallbladder 13 or pot cover 2, on the other hand provide one again for the setting of other component Fixed 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, the outer of steel lid component 21 is just arranged in buckle teeth, 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, is typically provided handle and relief valve 25 on outer cap assemblies 23.

As shown in Figures 3 to 6, further include bolt device 3, stop device 7, unlock driving device 4 and fastening device 5, Stop device 7 and bolt device 3 cooperate, and pot cover 2 can be prevented to rotate under complete hamper state relative to pot body 1；Unlock is driven Dynamic device 4 can drive the blocking of the disengaging stop device 7 of bolt device 3 under the complete hamper state of pot cover 2；Fastening device 5 with It unlocks driving device 4 to cooperate, tripper can be prevented to move during driving to the direction far from bolt device 3, work as pot When lid 2 is rotated relative to pot body 1, unlock driving device 4 can rotate relative to engaging portion 54 and be detached from the blocking of engaging portion 54 Realization automatically resets.

As shown in figure 3, specifically, unlock driving device 4 includes button 41, the first elastic component 42 and push rod 43, push rod 43 include fixing end 431 and snapping end 432, and fixing end 431 is connect with the first elastic component 42, and snapping end 432 can be filled with snapping Set 5 snappings.Fastening device 5 includes fixing seat 53, the second elastic component 52 and telescopic rod 51,52 one end of the second elastic component and fixation Seat 53 connects, and the other end is 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 to groove Interior, the other end of telescopic rod 51 is equipped with engaging portion 54, and engaging portion 54 can prevent unlock driving device 4 with 432 snapping of snapping end It moves upwards.Second elastic component 52 is set between telescopic rod 51 and fixing seat 53, telescopic rod 51 can be made in the second elastic component It says and square is moved to free extension under the action of 52.Wherein, the first push rod cup 433, the first push rod cup 433 are additionally provided on push rod 43 It is acted on the bolt force side 32 of bolt device 3, during push button 41, push rod 43 apply bolt force side 32 Downward active force keeps the fork 36 mobile towards the direction far from stop device 7.Under the action of push rod 43, bolt First 36 leave stop device 7, and the pot cover 2 of pressure cooker can be rotated relative to pot body 1, complete movement of uncapping.

Handle 26 is equipped at the top of pot cover 2, handle 26 includes handle upper cover 261 and handle lower cover 262, is equipped in the middle part of handle 26 Through-hole, through-hole passes through handle upper cover 261 and handle lower cover 262 forms 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 fixing seat 53 connections, fixing seat 53 are fixed on connecting rod 56 by fixing bolt 55；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 separated with engaging portion 54, unlock driving device 4 in the first elastic component 42 Reset is moved upwards under effect, meanwhile, the first push rod cup 433 leaves bolt force side 32, and bolt device 3 is in third elastic component 35 It under the action of bolt fulcrum 33, sets back, the pin hole that fork 36 injects middle ring 111 when being next box cover is prepared.

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 and inserts It sells and is equipped with bolt fulcrum 33 between force side 32, bolt fulcrum 33 is fixed on pot cover 2 by bolt fulcrum bolt 34.Bolt connects Bar 31 is preferably strip 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 cooperate.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 the cavernous structure being set in middle ring 111 for stop device 7, 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 mobile to stop device 7 on bolt device 3 35, third elastic component 35 is preferably spring or elastic slice or rubber band.Third elastic component 35 can be set to the top of fork 36, can also be with 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 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, under natural conditions, may pass through in the middle part of float 27 56 through-hole of connecting rod, at this point, can to do horizontal radial mobile for connecting rod 56, 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 on the basis of embodiment 1 improves the structural form of fork 36 and stop device 7, tool For body, fork 36 and stop device 7 can also for can mutually matched dentalation, including monodentate structure and multiple tooth knot 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 In on pot cover 2, and with connection in pot, relief valve 25 is mounted on the upper end of gas vent 24, under natural conditions, 25 row of being pressed in of relief valve On stomata 24, sealing function is played, prevents air pressure in pot from revealing, when needing pressure release, can lift relief valve 25 makes relief valve 25 separate with the exhaust outlet on gas vent 24, the air pressure inside pressure cooker at this time can by gas vent 24 and relief valve 25 it Between gap discharge.

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, set on 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 is mounted 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 unlock driving device 4 is mounted on pot cover 2.When applying downward power to pressure release force side 62, support end 66 will be upward It tilts and relief valve 25 is driven to shift up the exhaust outlet for being detached from relief valve 25 on gas vent 24, pressure release may be implemented at this time, When applying upward power to pressure release force side 62, support end 66 is moved down, and relief valve 25 is under the effect of gravity again It is pressed on gas vent 24, reseals gas vent 24.

As shown in figure 3, in addition, unlock driving device 4 push rod 43 on be additionally provided with the second push rod cup 434, when press solution When locking the button 41 of driving device 4, the snapping end 432 on push rod 43 and 54 snapping of engaging portion on fastening device 5, unlock driving Device 4 is fixed, at this point, the second push rod cup 434 and the pressure release force side 62 of air exhaust rod 61 act on, is applied to pressure release force side 62 Downward active force, air exhaust rod 61 are rotated around pressure release fulcrum 63, to drive support end 66 and relief valve 25 to act on, to pressure release Valve 25 applies upward active force, and relief valve 25 is made to leave gas vent 24, realizes pressure release movement.During manual pressure release, It is set to due to the first push rod cup 433 and the second push rod cup 434 on the push rod 43 of unlock driving device 4, is made in push button 41 After push rod 43 and 5 snapping of fastening device, the first push rod cup 433 realizes the unlock of pot cover 2 with the effect of bolt force side 32, and second pushes away Head 434 and the effect of pressure release force side 62 realize that the pressure release of pressure cooker acts；But still cannot uncap at this time, because in pot Pressure is still very big, and the float 27 of pressure cooker cover 2 is still within propradation, only when in pot steam it is drained, pressure drops to It just can be carried out movement of uncapping when float 27 returns to original position；During exhaust, since unlock driving device 4 is by fastening device 5 Locking, after by lower button 41, 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 contacted with gas vent 24, make gas vent 24 again 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.

Working 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, solve at this time The push rod 43 and button 41 for locking driving device 4 are in discrete state with fastening device 5 under the action of the second elastic component 4, weight Power valve compresses under the effect of gravity makes gas vent 24 be in sealing state at gas vent 24, air exhaust rod 61 is the 4th at this time Under the action of elastic component 65, support end 66 is in the position far from relief valve 25.

When the rotation of pot cover 2 to complete lid conjunction state, i.e., the pot tooth 121 in the buckle teeth and insulation cover 12 on pot cover 2 is corresponding 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 pot cover 2 can not be rotated.

When needing to uncap, the button 41 of unlock driving device 4 is pressed, button 41 squeezes the first elastic component 42, and drive pushes away Bar 43 moves downward, to make 54 snapping of engaging portion at snapping end 432 Yu fastening device 5, unlock driving device 4 is locked, 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, so that support end 66 and relief valve 25 be driven 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 movement.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 unlock driving device 4, make push rod 43 and button in push button 41 After 5 snapping of connection device, the first push rod cup 433 realizes the unlock of pot cover 2 with the effect of bolt force side 32, the second push rod cup 434 with The pressure release movement of pressure cooker is realized in the effect of pressure release 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, and when pressure release is to a certain degree, the float 27 on pot cover 2 declines, Further relieve the locking to pot cover 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 under the gravity of relief valve 25 around pressure release fulcrum 63, relief valve 25 also move downward under the gravity of itself again with Gas vent 24 contacts, and makes gas vent 24 again in sealing state, can effectively prevent consumer when using pressure cooker, forget by Relief valve 25 playbacks and leads to pressure cooker cisco unity malfunction.

When user needs to uncap, user need to only press unlock driving device 4 button 41, can a key realize pressure release and Unlocking motion, it is easy to operate, and during uncapping, unlocking driving device 4 and relief valve 25 can automatically reset again, and user is under When first use pressure cooker, only pot cover 2 need to be turned to closing lid, without other movements, be effectively simplified the behaviour of pressure cooker Make step, also ensures security performance when pressure cooker uses.

Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (15)

1. an a kind of key unlocks the pressure cooker to automatically reset, including pot and pot cover, which is characterized in that further include bolt device, Stop device, unlock driving device and fastening device, the stop device and bolt device cooperate, and pot cover can be prevented to exist It is rotated under complete hamper state relative to pot body；The unlock driving device can drive under the complete hamper state of pot cover inserts The blocking of pin assembly disengaging stop device；The fastening device and unlock driving device cooperation, can prevent tripper from existing It is moved during driving to the direction far from bolt device, when pot cover is rotated relative to pot body, the unlock driving device It can be rotated relative to engaging portion and the blocking realization for being detached from engaging portion automatically resets.

2. an a kind of key according to claim 1 unlocks the pressure cooker to automatically reset, which is characterized in that the unlock is driven Dynamic device includes button, the first elastic component and push rod, and the first described elastic component one end connect the other end and button with push rod Connection.

3. an a kind of key according to claim 2 unlocks the pressure cooker to automatically reset, which is characterized in that the push rod packet Fixing end and snapping end are included, the fixing end is connect with the first elastic component, and snapping end can be with fastening device snapping.

4. an a kind of key according to claim 3 unlocks the pressure cooker to automatically reset, which is characterized in that the snapping dress Set including fixing seat, the second elastic component and telescopic rod, the second described elastic component one end is connect with fixing seat, the other end with stretch The connection of contracting connecting rod.

5. an a kind of key according to claim 4 unlocks the pressure cooker to automatically reset, which is characterized in that the telescopic rod It is equipped with engaging portion, the engaging portion and snapping end snapping.

6. an a kind of key according to claim 5 unlocks the pressure cooker to automatically reset, which is characterized in that the pot cover top Portion is equipped with handle, and the handle includes handle upper cover and handle lower cover, and the middle handle is equipped with through-hole, and through-hole passes through hand 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 In in installation cavity, the fixing end of push rod penetrates in installation cavity from handle lower cover.

7. an a kind of key according to claim 4 unlocks the pressure cooker to automatically reset, 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.

8. an a kind of key according to claim 7 unlocks the pressure cooker to automatically reset, which is characterized in that on the push rod It is additionally provided with push rod cup, the bolt force side effect of the push rod cup and bolt device is described during push button Push rod cup, which applies downward active force to bolt force side, keeps the fork mobile towards the direction far from stop device.

9. an a kind of key according to claim 8 unlocks the pressure cooker to automatically reset, which is characterized in that the fork is Column, the stop device be fork can be limited it is poroid or raised, during the pressure cooker body is equipped with Ring, the stop device are set in middle ring.

10. an a kind of key according to claim 9 unlocks the pressure cooker to automatically reset, which is characterized in that the fork Being with stop device being capable of mutually matched dentation.

11. an a kind of key according to claim 7 unlocks the pressure cooker to automatically reset, which is characterized in that the bolt The third elastic component that the fork can be driven mobile to stop device is additionally provided on device.

12. an a kind of key according to claim 11 unlocks the pressure cooker to automatically reset, which is characterized in that the third bullet Property part be set to fork above, be perhaps provided close to the top of fork or be provided close to the lower section of bolt force side.

13. according to a kind of described in any item pressure cookers that key unlock automatically resets of claim 5 to 12, which is characterized in that First elastic component, the second elastic component, third elastic component are spring or elastic slice.

14. according to a kind of described in any item pressure cookers that key unlock automatically resets of claim 7 to 12, which is characterized in that The pot cover includes steel lid component, Liner Components and outer cap assemblies, and the Liner Components are set on steel lid component, the outer cover group Part is set on Liner Components, and the bolt device is set between Liner Components and outer cap assemblies, and the outer of the Liner Components is set There is the first protrusion, the outer cap assemblies are equipped with the second protrusion corresponding with first protrusion, the first protrusion and the Two protrusions snap together, and first protrusion is equipped with first through hole, and the fork is stretched out from the first through hole.

15. according to a kind of described in any item pressure cookers that key unlock automatically resets of claim 7 to 12, which is characterized in that Connecting rod is additionally provided on the pot cover, one end of the connecting rod is equipped with connecting rod head, and the other end is connect with fixing seat；The pot body It is additionally provided with insulation cover, insulation cover outer includes big round edge and small round edge；When rotating pot cover makes it uncap, connecting rod head is protected by contact The small round edge of temperature cover is slided to big round edge, and snapping end is separated with engaging portion, and push rod cup leaves bolt force side.