CN107874602A - A kind of pressure cooker - Google Patents
A kind of pressure cooker Download PDFInfo
- Publication number
- CN107874602A CN107874602A CN201710967298.7A CN201710967298A CN107874602A CN 107874602 A CN107874602 A CN 107874602A CN 201710967298 A CN201710967298 A CN 201710967298A CN 107874602 A CN107874602 A CN 107874602A
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- China
- Prior art keywords
- pot cover
- latch
- pressure cooker
- fork
- pot
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention provides a kind of pressure cooker, including pot and pot cover, and the locking device that pot cover can be locked in the case where pot cover covers state completely is provided between the pot and pot cover.The present invention can either realize lock function of the pot cover in the case where covering completely, even if remaining able to realize lock function in the absence of stress by setting locking device and switch resetting device.During pot cover is opened, due to the setting of switch resetting device, the reset of switching device can be realized easily, prevent user from forgetting to open switching device.
Description
Technical field
The present invention relates to a kind of cooker, more particularly, to a kind of electric pressure cooking saucepan.
Background technology
Common electric pressure cooking saucepan cover opening safety device is such in the market：There is a push rod on pressure cooker cover, protecting
Temperature cover is provided with big round edge and small round edge, and push rod can make horizontal direction with size round edge of the lid of rotation along stay-warm case
It is mobile.There is a push rod through hole on push rod, a pot cover hole is provided with pot cover, pot cover hole hole is provided with a float.Close
Lid, when there is pressure in pot, float rises, and float head passes through push rod through hole after rising, and now has air pressure in pot（More than 4Kpa）,
Push rod is blocked due to float head not move backward, the push rod cup on push rod blocks the big round edge of stay-warm case；Now generally
Do not open lid.But when user is with energetically（Such as 120N power）Uncapped, because firmly rear steel lid can become oval
Shape, it is possible to open lid.There is air pressure in pot（More than 4Kpa）In the case of uncap, the high-temperature gas in pot is easy to scald
Hurt sb.'s feelings, very big potential safety hazard be present.In addition, in the state of not having pressure, after float sinks, the process of pot is being put forward with pot cover
In, because pot cover can be rotated freely, also it is easy to the pot cover during pot is carried and slides, cause pot body to skid off pot cover and fall down,
Cause food in pot to scald user, potential safety hazard be present.
The content of the invention
The present invention is overcomes at least one defect described in above-mentioned prior art, there is provided it is a kind of it is safe, with locking
The pressure cooker of device.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of pressure cooker, including pot and pot cover, being provided between the pot and pot cover can in the case where pot cover covers state completely
Lock the locking device of pot cover.
The locking device includes bolt device and stop device, described to insert when pot cover, which is in, to be covered completely under state
Pin assembly prevents pot cover from being rotated relative to pot under the restriction of stop device.
The bolt device is in pot, and the stop device is on pot cover.
The bolt device is on pot cover, and the stop device is in pot.
The bolt device includes latch connecting rod, and one end of latch connecting rod is provided with fork, and the other end is latch force side,
Latch fulcrum is provided between fork and latch force side.
The fork is column, and the stop device is spacing poroid or raised for that can be carried out to fork, described
Pressure cooker body is provided with middle ring, and the stop device is in middle ring.
The fork and stop device are the dentation that can be cooperated.
Switching device is additionally provided with the pot cover, the switching device acts on the latch force side, works as switching device
During in open mode, the switching device, which applies downward active force to latch force side, makes the fork towards away from backstop
The direction movement of device, when switching device is closed, the switching device applies upward work to latch force side
The fork is firmly set to be moved towards close to the direction of stop device.
The locking device is additionally provided with the first elastic component that the fork can be driven to be moved to stop device.
First elastic component is spring or shell fragment or rubber band.
First elastic component is either provided close to the top of fork or is provided close to insert above fork
Sell the lower section of force side.
Switching device is additionally provided with the pot cover, the switching device acts on the latch force side, works as switching device
During in open mode, the switching device, which applies downward active force to latch force side, makes the fork towards away from backstop
The direction movement of device, when switching device is closed, the fork is in the presence of the first elastic component towards close
The direction movement of stop device.
The latch force side includes latch recess and the convex position of latch, and the switching device is provided with locking projection, works as switch
When device is closed, the locking projection applies downward active force to the convex position of latch of latch force side, works as switch
When device is in open mode, the locking projection is located at the latch recess of latch force side.
The pot cover includes steel lid component, Liner Components and outer cap assemblies, and the Liner Components are on steel lid component, institute
Outer cap assemblies are stated on Liner Components, the locking device is located between Liner Components and outer cap assemblies, the Liner Components
Outer be provided with the first protuberance, the outer cap assemblies are provided with the second protuberance corresponding with first protuberance, and first is convex
Go out portion to snap together with the second protuberance, first protuberance is provided with first through hole, and the fork is from the first through hole
Stretch out.
The switch resetting device that switching device can be made to switch to open mode by closed mode is additionally provided with the pot cover.
The pressure cooker body is additionally provided with stay-warm case, and stay-warm case outer includes big round edge and small round edge, and the switch resets
Device includes push rod, and one end of push rod is provided with push rod cup, and the other end is provided with withdrawing device, and the switching device is provided with pulling back
Connector corresponding to device, when pot cover is covered under state completely, the push rod cup is located at small round edge position, mistake of the pot cover in opening
Cheng Zhong, the push rod cup slides into big round edge by small round edge, and is moved by withdrawing device Drawing switch device.
The side wall of second protuberance is provided with the second through hole stretched out for push rod cup, and push rod cup is provided with the second protuberance
The second elastic component that can reset push rod cup.
The withdrawing device is square opening, and the connector is including adjutage and on adjutage and is inserted into described
The connecting pole of square opening.
The present invention can either realize pot cover in the case where covering completely by setting locking device and switch resetting device
Lock function, even if remaining able to realize lock function in the absence of stress.During pot cover is opened, due to
The setting of switch resetting device, the reset of switching device can be realized easily, prevent user from forgetting to open switching device.
Brief description of the drawings
Fig. 1 is pot cover explosive view of the present invention；
Fig. 2 is pot cover Liner Components structural representation of the present invention；
Fig. 3 is pan structure schematic diagram of the present invention；
Fig. 4 is the structural representation of locking device of the present invention；
Fig. 5 is switching device structure schematic diagram of the present invention；
Fig. 6 is switch resetting device structural representation of the present invention；
Fig. 7 is pressure release driving device structure schematic diagram of the present invention；
Fig. 8 is the structural representation of pot cover closing lid initial position of the present invention；
Fig. 9 is the sectional view of A-A ' in pot cover closing lid initial position lower switch resetting means i.e. Fig. 8 in part of the present invention；
Figure 10 is the sectional view of B-B ' in locking device part i.e. Fig. 8 under pot cover closing lid initial position of the present invention；
Figure 11 is the sectional view of pressure release drive device part under pot cover closing lid initial position of the present invention；
Figure 12 is that pot cover of the present invention is covered under state completely（I.e. under sealing state）Structural representation；
Figure 13 is the sectional view that pot cover of the present invention covers state lower switch resetting means part completely；
Figure 14 is the sectional view that pot cover of the present invention covers locking device part under state completely；
Figure 15 is the sectional view that pot cover of the present invention covers pressure release drive device part under state completely；
Figure 16 is that pot cover of the present invention covers state completely and switching device is closed cuing open for lower switch resetting means part
View；
Figure 17 is the sectional view that pot cover of the present invention covers state completely and switching device is closed lower locking device part；
Figure 18 is that pot cover of the present invention covers state completely and switching device is closed cuing open for lower pressure release drive device part
View；
Figure 19 is the structural representation during pot cover of the present invention is uncapped；
Figure 20 is the sectional view of switch resetting device part during pot cover of the present invention is uncapped；
Figure 21 is the sectional view of locking device part during pot cover of the present invention is uncapped；
Figure 22 is the sectional view of pressure release drive device part during pot cover of the present invention is uncapped.
Reference：
Pot 1, shell 11, middle ring 111, lock hole 112, stay-warm case 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, the first protuberance 221, first through hole 222, outer cap assemblies 23, second protrude
Portion 231, the second through hole 2311, steam vent 24, relief valve 25, float 26
Locking device 3, bolt device 31, latch connecting rod 311, fork 312, latch force side 313, latch recess 3131, insert
Sell convex position 3132, latch fulcrum 314, stop device 32, the first elastic component 33
Switching device 4, locking projection 41, connector 42, adjutage 421, pressure release projection 43
Switch resetting device 5, push rod 51, push rod cup 52, withdrawing device 53, application point 531, the second elastic component 54, push rod through hole
55
Pressure release drive device 6, pressure release bar 61, support end 62, pressure release force side 63, pressure release fulcrum 64, pressure release latch 65, pressure release are recessed
Position 66, the convex position 67 of pressure release, pressure release elastic component 68
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of pressure cooker, including pot 1 and pot cover 2, pot 1 include shell 11 and stay-warm case 12, insulation
Cover 12 is made by metal material, is provided with pot courage 13 in stay-warm case 12, and pot courage 13 is for holding food, outside the upper end of stay-warm case 12
Along some pot tooths 121 are provided with, the pot tooth 121 causes the outer of stay-warm case 12 to form big round edge 122 and roundlet that diameter does not wait
Side 123, so-called big round edge 122 are bound by the outer of pot tooth 121, and so-called small round edge 123 is by between pot tooth 121 and pot tooth 121
The outer of stay-warm case 12 define.The pot cover 2 is provided with buckle teeth, and buckle teeth quantity is corresponding with the quantity of pot tooth 121, when pot cover has been in
When covering state entirely, buckle teeth and the position correspondence of pot tooth 121 on pot cover 2, buckle teeth fasten pot tooth 121, play the work of sealed pot cover 2
With；When the buckle teeth on pot cover 2 and pot tooth 121 are in staggered positions, pot cover 2 then releases and covers state, now need to only lift pot
Lid 2 can separate pot cover 2 and pot 1.
Middle ring 111 is provided with around stay-warm case 12 on the shell 11, the one side of middle ring 111 can be received from pot courage 13 or pot
The moisture content of water clock at lid 2, on the other hand provide certain space again for the setting of miscellaneous part.
The pot cover 2 includes steel lid component 21, Liner Components 22 and outer cap assemblies 23, and steel lid component 21 is generally rigidity knot
Structure, there is very high intensity, the buckle teeth is just arranged on the outer of steel lid component 21, and so-called buckle teeth is the portion by steel lid component 21
Exceptionally formed along inside turnup, the Liner Components 22 are on steel lid component 21, and steel lid component 21 fits together, described
Outer cap assemblies 23 are snapped together on Liner Components 22 and with Liner Components 22, and handle is typically provided on outer cap assemblies 23
And relief valve.
The locking device of pot cover 2 can be locked in the case where pot cover 2 covers state completely by being provided between the pot 1 and pot cover 2
3。
As shown in figure 4, the locking device 3 includes bolt device 31 and stop device 32, covered completely when pot cover 2 is in
When under state, the bolt device 31 can prevent pot cover 2 from being rotated relative to pot 1 under the restriction of stop device 32, so
It can prevent from being opened accidentally pot cover 2 in high pressure conditions.
The latch fills 31 and is arranged on pot cover 2, and the stop device 32 is in pot 1.
The bolt device 31 includes latch connecting rod 311, and one end of latch connecting rod 311 is provided with fork 312, and the other end is
Latch force side 313, latch fulcrum 314 is provided between fork 312 and latch force side 313.Latch connecting rod 311 is preferably bar
Shape laminated structure, latch connecting rod 311 can have corresponding shape or bending or flexibility, can the preferably shape of pot cover 2
Want to coordinate.The fork 312 is column, the stop device 32 be fork 312 can be carried out it is spacing poroid or convex
Rise, stop device 32 is preferably arranged to the cavernous structure in middle ring 111 by the present embodiment, that is, is arranged to lock hole 112.
Specifically, the locking device 3 is located between Liner Components 22 and outer cap assemblies 23, the Liner Components 22
Outer is provided with the first protuberance 221, and the outer cap assemblies 23 are provided with second protuberance corresponding with first protuberance 221
231, the first protuberance 221 snaps together with the second protuberance 231, and first protuberance 221 is provided with first through hole 222,
The fork 312 is stretched out from the first through hole 222, and the latch fulcrum 314 is connected with pot cover 2, and latch connecting rod 311 can be around
Latch fulcrum 314 rotates.
The locking device 3 is additionally provided with the first elastic component that the fork 312 can be driven to be moved to stop device 32
33, first elastic component 33 is preferably spring or shell fragment or rubber band.First elastic component 33 can be located on fork 312
Side, can also be provided close to the top of fork 312, or be provided close to the lower section of latch force side 313, in a word the first elasticity
The effect of part 33 is the direction for fork 312 to be driven onto to stop device 32.
As shown in Fig. 5,10, switching device 4 is additionally provided with the pot cover 2, switching device 4 is arranged on pot cover and can be
Slided on pot cover 2.The switching device 4 acts on the latch force side 313, when switching device 4 is in open mode, institute
State switching device 4 latch force side 313 is applied downward active force make latch connecting rod 311 around latch fulcrum 314 rotate so as to
Drive the fork 312 to be moved towards the direction away from stop device 32, and then release the locking of pot cover 2, can now rotate
Pot cover 2；When switching device 4 is closed, the fork 312 is in the presence of the first elastic component 33 towards close to backstop
The direction movement of device 32, so that fork 312 is extend into the lock hole 112 in middle ring, and then locks pot cover,
Pot cover 2 can not now be rotated.
Preferably, the latch force side 313 includes latch recess 3131 and the convex position 3132 of latch, latch recess 3131 are set
Put close to the position of latch fulcrum 314, the convex position 3132 of latch is arranged far from the position of latch fulcrum 314.The switch dress
Put 4 and be provided with locking projection 41, when switching device 4 is closed, the locking projection 41 is inserted to latch force side 313
Sell convex position 3132 and apply downward active force, driving fork 312 moves towards the direction away from stop device 32；Work as switching device
4 when being in open mode, and the locking projection 41 be located at the latch recess 3131 of latch force side 313, now, locking projection
41 to the applying power of latch force side 313, or the power applied is significantly less than elastic force of first elastic component 33 to fork 312,
Therefore by the first elastic component 33 fork 312 can be driven to extend into lock hole 112.
In addition, the switch that switching device 4 can be made to switch to open mode by closed mode is additionally provided with the pot cover 2
Resetting means 5.
As shown in fig. 6, the switch resetting device 5 includes push rod 51, one end of push rod 51 is provided with push rod cup 52, the other end
Provided with withdrawing device 53, the switching device 4 is provided with connector 42 corresponding with withdrawing device 53, when pot cover 2 covers completely
Under state, the push rod cup 52 is located at the small position of round edge 123, and during opening, the push rod cup 52 passes through pot cover successively
Small round edge 123, big round edge 122 and small round edge 123, when push rod cup 52 is by big round edge 122, push rod cup 52 drives push rod 51 to do
Radial outward movement is simultaneously moved by the Drawing switch device 4 of withdrawing device 53.
The side wall of second protuberance 231 is provided with the second through hole 2311 stretched out for push rod cup 52, push rod cup 52 and the
Two protuberances 231 are provided with the second elastic component 54 that can reset push rod cup 52, and the second elastic component 54 is preferably spring or shell fragment
Or rubber band.
The withdrawing device 53 is square opening, and the connector 42 includes adjutage 421 and on adjutage 421 and energy
Enough insert the connecting pole 422 of the square opening, the length of the square opening typically with big round edge 122 and the radius of small round edge 123
Difference is equal or roughly equal, and square opening possesses an application point 531 that can be acted on the connecting pole 422, it is clear that described
The position of square opening and connecting pole 422 can be exchanged, and the structure after exchange can equally realize switch reset function.
Float 26 is additionally provided with the pot cover 2, push rod 51 is provided with push rod through hole 55, between push rod through hole 55 and float 26
Matching relationship it is same as the prior art, i.e., the small lower end diameter of the mid diameter of float 26 is big, and under nature, the middle part of float 26 can
Through push rod through hole 55, now, push rod 51 can do horizontal radial movement, when the increase of pressure cooker internal pressure to a certain extent after,
Float 26, which rises and blocks push rod 51 with its lower end, organizes push rod 51 to move horizontally.
Embodiment 2
The present embodiment is improved the structural form of bolt device 31 on the basis of embodiment 1, specifically, described to insert
Pin assembly 31 in pot 1, stir bolt device 31 on pot cover 2 and bolt device can be achieved by the stop device 32
With the relative motion between stop device 32, so as to realize the locking to pot cover 2 and unlock.
Embodiment 3
The present embodiment is improved the structural form of fork and stop device on the basis of embodiment 1, specifically,
The fork and stop device can also be the dentalation that can cooperate, including monodentate structure and more toothings, or
Person can also be that other being capable of intermeshing structure.
Embodiment 4
The present embodiment is improved the structural form of switching device on the basis of embodiment 1, specifically, the pot cover
On be additionally provided with switching device, the switching device acts on the latch force side, when switching device is in open mode, institute
Stating the switching device active force downward to the application of latch force side makes the fork be moved towards the direction away from stop device, when
When switching device is closed, the switching device applies upward active force to latch force side makes the fork court
Moved close to the direction of stop device.
In the present embodiment, the power applied up or down to latch force side is all to have switching device completion, such feelings
Under shape and the cooperation of the first elastic component 33 is not needed, pressure Cooker structure can be caused further to simplify.
Embodiment 5
On the basis of embodiment 1, the pressure cooker lid 2 is provided with steam vent 24 and relief valve 25, and steam vent is located at pot cover 2
On, and with Guo Nei UNICOMs, relief valve 25 is arranged on the upper end of steam vent 24, and under nature, relief valve 25 is pressed in steam vent 24
On, sealing function is played, prevents that air pressure is revealed in pot, when needing pressure release, can lift relief valve 25 makes relief valve 25 and row
Exhaust outlet separation on stomata 24, now the air pressure inside pressure cooker can be with by between steam vent 24 and relief valve 25
Gap is discharged.
In the present embodiment, the pressure cooker is additionally provided with pressure release drive device 6, as shown in fig. 7, the pressure release drive device 6
Including pressure release bar 61, one end of pressure release bar 61 is support end 62, located at the lower section of relief valve 25, to be propped up when pressure release
Relief valve 25, the other end of pressure release bar 61 is pressure release force side 63, and pressure release branch is provided between support end 62 and pressure release force side 63
Point 64, the pressure release fulcrum 64 is arranged on pot cover by pressure release latch 65, specifically installed in Liner Components 22 and enclosing cover
Between component 23, pressure release drive device is arranged on pot cover by pressure release latch 65 through pressure release fulcrum 64.To pressure release force side 63
When applying downward power, support end 62 will be upturned and driving relief valve 25 to shift up makes relief valve 25 depart from steam vent 24
On exhaust outlet, can now realize pressure release, when applying upward power to pressure release force side 63, support end 62 moves down, and lets out
Pressure valve 25 is pressed on steam vent 24 again in the presence of self gravitation, reseals steam vent 24.
Further, it is possible to the control to pressure release drive device 6 is realized using switching device 4, specifically, in embodiment 1
On the basis of, pressure release projection 43 can also be set again on switching device 4, while set pressure release recess 66 in pressure release force side 63
Position 67 convex with pressure release, pressure release recess 66 are positioned close to the position of pressure release fulcrum 64, and the convex position 67 of pressure release is arranged far from pressure release branch
The position of point 64, the pressure release drive device 6 are additionally provided with the pressure release elastic component 68 that support end 62 can be driven to bottom offset, pressure release
Elastic component 68 can be the structures such as spring, shell fragment or rubber band.Pressure release elastic component 68 can be positioned close to the side of support end 62
Top, or it is positioned close to the lower section of the side of pressure release force side 63.
When switching device 4 is closed, the convex position 67 of pressure release of the pressure release projection 43 to pressure release force side 63 is applied
Add downward active force, support end 62 will be upturned and driving relief valve 25 to shift up makes relief valve 25 depart from steam vent 24
On exhaust outlet, can now realize pressure release.When switching device 4 is in open mode, the pressure release projection 43 is located at pressure release
At the pressure release recess 66 of force side 63, now, pressure release projection 43 is not to the applying power of pressure release force side 63, or the power applied is obvious
Elastic force less than pressure release elastic component 68 to support end 62, therefore can move down support end 62 by pressure release elastic component 68,
Relief valve 25 is pressed on steam vent 24 again in the presence of self gravitation, reseals steam vent 24.
This patent operation principle is as follows：
Such as Fig. 8 to Figure 11, pot cover 2 is placed on to the uncapped position of pot, i.e. pot cover closing lid initial position, now switch resets dress
Put 5 push rod cup 52 to be located at the small round edge 123 of stay-warm case 12, the latch of rotate counterclockwise pot cover 2, now latch connecting rod 311
First 312, which push down middle anchor ring, slides, and push rod cup 52 then moves along the small round edge 123 of stay-warm case to big round edge 122, drives push rod
51 do radial outward movement in the horizontal direction, and the withdrawing device 53 on Simultaneous Switching resetting means 5 drives switching device 4 to move,
Switching device is in open mode, i.e. the locking projection 41 of switching device 4 is located at the latch recess 3131 of locking device 3,
The pressure release projection 43 of switching device 4 is located at the pressure release recess 66 of pressure release drive device 6, and now, fork 312 is by the first bullet
Property part 33 directly apply or the downward power that applies indirectly, equally, the support end 62 of pressure release drive device 6 is also by pressure release elasticity
The downward power that part directly applies or applied indirectly, makes relief valve 25 be pressed on steam vent 24.
As shown in Figure 12 to 15, when pot cover 2 is rotated to when covering state completely, i.e., buckle teeth and stay-warm case 12 on pot cover 2
On pot tooth 121 it is corresponding when fastening, the push rod cup 52 of the switch resetting device 5 is similarly positioned in the small round edge 123 of stay-warm case 12
Place, the fork 312 of latch connecting rod 311 are inserted into the poroid backstop dress in middle ring in the presence of the first elastic component 33
In putting 32, and then pot cover 2 is locked, relief valve 25 is pressed on steam vent 24, and now pressure cooker is in sealing state.
During pressure cooker cooking food, after pressure cooker air pressure inside reaches to a certain degree, for example reach 4Kpa
When, the float on pressure cooker lid 2 rises and blocks push rod 51, and now push rod 51 can not do the displacement in horizontal direction, push rod
First 52 are hampered by big round edge 122 and so that pot cover 2 can not be rotated.
Such as Figure 16 to 18, when needing pressure release, toggle switch device 4, switching device 4 is closed, that is, is switched
The locking projection 41 of device 4 is located at the convex position 3132 of latch of locking device 3, and the pressure release projection 43 of switching device 4 is located at pressure release
At the convex position 67 of pressure release of drive device 6, now, locking projection 41 applies downward power to the convex position of latch 3132, by fork 312
The poroid stop device 32 disengaged it from middle ring is tilted, releases the locking to pot cover, same pressure release projection 4 drives to pressure release
The convex position 67 of pressure release of device 6 also applies downward power, and the support end 62 of pressure release drive device 6, which is tilted, makes at least portion of relief valve 25
Divide and depart from steam vent 24, release the sealing to steam vent 24, pressure cooker starts pressure release, now, on the adjutage 421 of switching device 4
Connecting pole 422 close to withdrawing device 53 effect 531.
When pressure release is to a certain degree, the float on pot cover 2 declines, and further relieves the locking to pot cover.
Such as Figure 19 to 22, when turn clockwise pot cover 2 when, the push rod cup 52 of switch resetting device 5 is moved by small round edge 123
To big round edge 122, now push rod cup 52 then drives push rod 51 to do radial outward movement, Simultaneous Switching resetting means in the horizontal direction
Withdrawing device 53 on 5 drives switching device 4 to move, and switching device 4 is turned again to closing lid original state, completes switching device
4 automatically reset, prevents user from forgetting to reset switching device 4 after pot cover is opened.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (18)
1. a kind of pressure cooker, including pot and pot cover, it is characterised in that be provided between the pot and pot cover and covered completely in pot cover
The locking device of pot cover can be locked under conjunction state.
2. pressure cooker according to claim 1, it is characterised in that the locking device includes bolt device and backstop fills
Put, when pot cover, which is in, to be covered completely under state, the bolt device prevents pot cover relative to pot under the restriction of stop device
Body rotates.
3. pressure cooker according to claim 2, it is characterised in that the bolt device is in pot, the backstop dress
It is arranged on pot cover.
4. pressure cooker according to claim 2, it is characterised in that the bolt device is on pot cover, the backstop dress
It is arranged in pot.
5. pressure cooker according to claim 4, it is characterised in that the bolt device includes latch connecting rod, latch connecting rod
One end be provided with fork, the other end is latch force side, and latch fulcrum is provided between fork and latch force side.
6. pressure cooker according to claim 5, it is characterised in that the fork is column, and the stop device is energy
Enough spacing to fork progress is poroid or raised, and the pressure cooker body is provided with middle ring, and the stop device is located at middle ring
On.
7. pressure cooker according to claim 5, it is characterised in that the fork and stop device are to cooperate
Dentation.
8. pressure cooker according to claim 5, it is characterised in that switching device, the switch are additionally provided with the pot cover
Device is acted on the latch force side, and when switching device is in open mode, the switching device is applied to latch force side
Downward active force is added the fork is moved towards the direction away from stop device, when switching device is closed,
The switching device applies upward active force to latch force side makes the fork be moved towards close to the direction of stop device.
9. pressure cooker according to claim 5, it is characterised in that the locking device, which is additionally provided with, can drive the latch
The first elastic component that head moves to stop device.
10. pressure cooker according to claim 9, it is characterised in that first elastic component is spring or shell fragment or rubber band.
11. pressure cooker according to claim 9, it is characterised in that first elastic component is located above fork, or
The top of fork is provided close to, or is provided close to the lower section of latch force side.
12. pressure cooker according to claim 9, it is characterised in that switching device, the switch are additionally provided with the pot cover
Device is acted on the latch force side, and when switching device is in open mode, the switching device is applied to latch force side
Downward active force is added the fork is moved towards the direction away from stop device, when switching device is closed,
The fork moves in the presence of the first elastic component towards close to the direction of stop device.
13. pressure cooker according to claim 12, it is characterised in that the latch force side includes latch recess and latch
Convex position, the switching device is provided with locking projection, and when switching device is closed, the locking projection is to latch stress
The convex position of the latch at end applies downward active force, when switching device be in open mode, it is described lock projection be located at latch by
At the latch recess at power end.
14. pressure cooker according to claim 5, it is characterised in that the pot cover includes steel lid component, Liner Components and outer
Cap assemblies, the Liner Components are on steel lid component, and on Liner Components, the locking device is located at the outer cap assemblies
Between Liner Components and outer cap assemblies, the outer of the Liner Components is provided with the first protuberance, and the outer cap assemblies are provided with and institute
The second protuberance corresponding to the first protuberance is stated, the first protuberance snaps together with the second protuberance, first protuberance
Provided with first through hole, the fork stretches out from the first through hole.
15. according to any described pressure cooker of claim 8 to 13, it is characterised in that being additionally provided with the pot cover to make out
Close the switch resetting device that device is switched to open mode by closed mode.
16. pressure cooker according to claim 15, it is characterised in that the pressure cooker body is additionally provided with stay-warm case, insulation
Cover outer includes big round edge and small round edge, and the switch resetting device includes push rod, and one end of push rod is provided with push rod cup, the other end
Provided with withdrawing device, the switching device is provided with connector corresponding with withdrawing device, when pot cover is covered under state completely, institute
State push rod cup and be located at small round edge position, for pot cover during opening, the push rod cup slides into big round edge by small round edge, and leads to
Cross the movement of withdrawing device Drawing switch device.
17. pressure cooker according to claim 16, it is characterised in that the side wall of second protuberance is provided with and supplies push rod cup
The second through hole stretched out, push rod cup and the second protuberance are provided with the second elastic component that can reset push rod cup.
18. pressure cooker according to claim 16, it is characterised in that the withdrawing device is square opening, the connector
Including adjutage and on adjutage and it is inserted into the connecting pole of the square opening.
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| CN201710967298.7A CN107874602B (en) | 2017-10-17 | 2017-10-17 | Pressure cooker |
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| CN201710967298.7A CN107874602B (en) | 2017-10-17 | 2017-10-17 | Pressure cooker |
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| CN107874602A true CN107874602A (en) | 2018-04-06 |
| CN107874602B CN107874602B (en) | 2023-05-23 |
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