CN103315620B - Cover opening and closing cover safety device of pressure cooker - Google Patents
Cover opening and closing cover safety device of pressure cooker Download PDFInfo
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- CN103315620B CN103315620B CN201310264740.1A CN201310264740A CN103315620B CN 103315620 B CN103315620 B CN 103315620B CN 201310264740 A CN201310264740 A CN 201310264740A CN 103315620 B CN103315620 B CN 103315620B
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- cover
- push pedal
- pot
- stopping valve
- safety device
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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
- A47J27/0804—Locking devices
- A47J27/0806—Locking devices of the bayonet-type
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- Food Science & Technology (AREA)
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Abstract
The invention provides a cover opening and closing safety device of a pressure cooker, and belongs to the technical field of cooking utensils. The cover opening and closing safety device comprises an upper handle, a valve seat and a lower handle which is fixed on a cooker body. The upper handle is fixed on a cover and is provided with a through hole communicated with the outside, the valve seat is fixed on the cover and is penetratingly provided with a check valve rod capable of rising and falling, an air discharge hole communicated with the through hole is formed at the inner end, located on the inner side of the cover, of the check valve rod, and the upper handle is provided with one push plate capable of sliding close to or away from the edge of the cover. A spring is arranged between the push plate and the upper handle with one end abutted against the upper handle and the other end abutted against the push plate. The front end of the push plate is provided with a bayonet for the check valve rod to be clamped into, the lower portion of the bayonet is provided with a press bar capable of keeping the air discharge hole of the check valve rod communicated with the inside of the cooker body during cover closing, and the lower portion of the bayonet is further provided with a positioning structure capable of matching with the rising check valve rod to have the push plate positioned after the cover is closed. The cover opening and closing safety device has the advantages of good safety and stability and the like.
Description
Technical field
The invention belongs to cooking apparatus technical field, relate to a kind of pressure cooker, particularly a kind of cover closing and opening safety device for pressure cooker.
Background technology
In order to make the use of pressure cooker energy normal safe, covering hook in the folding of pressure cooker at present and being provided with safety device.When the pot cover of pressure cooker and pot body fasten not in place, safety device makes pot inner pressure to rise; After pressure cooker uses, when opening pot cover, if also have pressure in pot, then safety device makes pot cover not open.
The erecting device kind of current pressure cooker open and close cover is more, during use, concrete operations are also different, have a lot of safety device also to apply for patent, such as Chinese patent literature data discloses a kind of Double card safety valve for safety opening pressure cooker cover [application number: 97208603.X; Authorization Notice No.: CN2275415Y], it is made up of float-controlled valve, lower card, upper clamp slice, spring, upper clamp slice slide block, lower card slide block, locating rack, upper clamp slice slide block is inserted in the work shape groove of upper handle, again the assembly that three, lower card, upper clamp slice and spring forms is inserted in the work shape groove of upper handle, again the assembly of lower card slide block and locating rack composition is inserted in the work shape groove of upper handle after in the square hole that lower card slide block is inserted in locating rack, is locked by two barbs of locating rack.If pot cover does not fasten and puts in place, upper clamp slice, lower card sealing of hole make float-controlled valve to rise, and make pot inner pressure to increase; In pressure cooker use procedure, if also have comparatively hyperbar in pot, then float-controlled valve is for rise shape and pot cover seal under the effect of pot inner high voltage gas, and after only having pot inner pressure to decline, float-controlled valve declines, could opening pressure pot.Like this, the maloperation and cause casualty accident such as can avoid uncapping by force, makes pressure cooker security good.
But above-mentioned Double card safety valve for safety opening pressure cooker cover has comparatively multiple component, structure is comparatively complicated, and the installation at handle place of upper clamp slice, lower card, upper clamp slice slide block and lower card slide block is also comparatively difficult; Upper clamp slice and lower card sealing of hole during closing lid in addition, float-controlled valve is not communicated with the external world, and pot internal gas pressure is got rid of unclean, and closing lid is comparatively large to last required strength, uses inconvenience.
Summary of the invention
The object of the invention is for the above-mentioned problems in the prior art, provide the cover closing and opening safety device for pressure cooker that a kind of structure is simple, easy to use and security is high.
Object of the present invention realizes by following technical proposal: a kind of cover closing and opening safety device for pressure cooker, comprise upper handle, valve seat and the lower handle be fixed on pot body, described upper handle is fixed on pot cover and upper handle has the through hole communicated with the external world, described valve seat to be fixed on pot cover and to be equipped with the stopping valve bar that can be elevated in valve seat, the inner place that described stopping valve bar is positioned at inside pot cover has the steam vent communicated with through hole, the push pedal that is close or that slide away from pot cover edge of one piece of energy is provided with in described upper handle, be provided with one end between described push pedal and upper handle and be resisted against upper handle, the other end is resisted against the spring in push pedal, it is characterized in that, the front end of described push pedal has the bayonet socket snapped in for stopping valve bar, the bottom of described bayonet socket has the steam vent that can make stopping valve bar when closing lid and takes on the pressure of pot nside UNICOM all the time, the bottom of described bayonet socket also has can coordinate with the stopping valve bar risen the location structure that push pedal is located after closing lid.
The operation principle of this cover closing and opening safety device for pressure cooker is as described below: when rotating upper handle closing lid, push pedal is contacted by pot cover edge and slides to the direction away from pot cover edge, and stopping valve bar is in decline state under gravity, the steam vent of stopping valve bar is positioned at pot nside, push pedal drive bayonet socket bottom pressure shoulder slide make pressure take on be pressed on stopping valve bar makes stopping valve bar steam vent all the time with pot nside UNICOM, in such closing lid process, in pot body, pressure can be got rid of from steam vent, ensures that closing lid process is laborsaving, smooth; After closing lid, push pedal is slided to the direction near pot body edge and is resetted under the effect of spring force, pressure is produced in pot body, stopping valve bar rises, location structure coordinates stopping valve bar that push pedal is located, therefore push pedal is not slidable when pot nside has pressure, so cannot uncap, ensure that the security of uncapping.
In above-mentioned cover closing and opening safety device for pressure cooker, described stopping valve bar has the bulge loop one of circumferential projection, and described bulge loop one is positioned at valve seat and pressure shoulder top described in when closing lid is pressed on the upper surface of bulge loop one.In closing lid process, stopping valve bar declines under gravity, and the lower surface of bulge loop one and valve seat lean thus stop the continuation of stopping valve bar to decline.During closing lid, pressure shoulder top is pressed on the upper surface of bulge loop one, stopping valve bar is made to increase like this, the steam vent of stopping valve bar is positioned at the sealing surface bottom of valve seat, steam vent all the time with pot nside UNICOM, in such closing lid process, in pot body, pressure can be got rid of from steam vent, ensures that closing lid process is laborsaving, smooth.
In above-mentioned cover closing and opening safety device for pressure cooker, described location structure comprise that bayonet socket bottom has for stopping valve bar against positioning step or the detent that embeds for stopping valve bar.After closing lid, pressure is there is in pot body, pressure then in pot body makes stopping valve bar rise, stopping valve bar is resisted against positioning step or embeds in detent, stopping valve bar makes bayonet socket not slide, and namely achieves the location of push pedal, and therefore push pedal is not slidable when pot nside has elevated pressures, so cannot uncap, ensure that the security of uncapping.
In above-mentioned cover closing and opening safety device for pressure cooker, between described push pedal and stopping valve bar, be provided with the lift structure that stopping valve bar can be made to increase when push pedal is near pot cover edge.
When push pedal is near pot cover edge, lift structure makes stopping valve bar rise, the steam vent fraction that stopping valve bar the inner is had is arranged in pot body or makes steam vent be positioned on the sealing surface of valve seat, which reduce leaving area, also the upward stroke of stopping valve bar is shortened, so when pot nside produces very little pressure, stopping valve bar will rise until sealed pot cover under pressure easily, the sensitivity that stopping valve bar rises is high, time is short, can effectively avoid a pot intimate heat, the loss of pressure, shorten cooking time, reduce energy consumption, there is energy-conserving action.
In above-mentioned cover closing and opening safety device for pressure cooker, described lift structure comprises slide rail that bayonet socket top has and the bulge loop two that stopping valve bar outer end place has, and described bulge loop two is positioned at slide rail on slide rail and described and is raised gradually to the inside by bayonet socket end.When under the elastic force effect of push pedal at spring when pot body transformation is close, bulge loop two rises along the slide rail raised gradually, namely achieves stopping valve bar and rises.
During actual manufacture, also has another kind of situation, in above-mentioned cover closing and opening safety device for pressure cooker, described lift structure comprises the lift block of jacking block that bayonet socket top has and the circumferential projection that stopping valve bar outer end place has, the surface that described lift block contacts with jacking block is inclined-plane, and described inclined-plane is downward-sloping by side direction end direction in bayonet socket.When under the elastic force effect of push pedal at spring when pot body transformation is close, jacking block contacts the inclined-plane of lift block, and such lift block drives stopping valve bar to rise together.
In above-mentioned cover closing and opening safety device for pressure cooker, the rear end lower of described push pedal has gear pin, described lower handle has and inserts and the chute that push pedal can be guided to slide for gear pin, described chute have be positioned at lower handle side slip into mouth, the described end slipping into mouth is folded to pot body and this end has blocking surface.In closing lid process, the gear pin of push pedal can enter chute from slipping into mouth, and now push pedal is by chute guided slidable, and turning edge of pot body can not contact push pedal, decreases friction, makes closing lid process smooth and easy.Push pedal first guides to away from direction, pot cover edge by chute, then push pedal is guided near direction, pot cover edge, and now push pedal is close to pot cover edge by the elastic force effect of spring, and last blocking surface stops that gear pin advances, and makes push pedal stop sliding.
In above-mentioned cover closing and opening safety device for pressure cooker, described push pedal bottom place has card base, and the card base described in when pot cover and pot body correctly do not fasten is between the pot mouth and pot cover of pot body.When there is maloperation, card base makes pot cover can not fasten all the time between the pot mouth and pot cover of pot body, avoids pressure increase in pot body, effectively prevent potential safety hazard.
In above-mentioned cover closing and opening safety device for pressure cooker, the boiler port of described pot body has turning edge of outwards turnover, and card base described after pot cover and pot body correctly fasten is positioned at the below turned edge.After pot cover correctly fastens and puts in place, the card base in push pedal is positioned at the below turned edge, and can not cause interference like this to normal fastening, and card base can fasten with turning edge, and further increases security.
In above-mentioned cover closing and opening safety device for pressure cooker, described push pedal has locating dowel one, have locating dowel two in described upper handle, described both ends of the spring is placed in locating dowel one and locating dowel two respectively.The two ends of such spring are located by locating dowel one and locating dowel two, and spring in use can not play, ensure that spring normally works, and improve stability when push pedal is slided.
Compared with prior art, a kind of cover closing and opening safety device for pressure cooker provided by the invention has the following advantages:
1, in this cover closing and opening safety device for pressure cooker, the bottom of bayonet socket has pressure shoulder, when closing lid, pressure shoulder top pressure stopping valve bar, the steam vent of stopping valve bar all the time with pot nside UNICOM, such pot nside air pressure can be got rid of, and guarantee closing lid is smooth.
2, in this cover closing and opening safety device for pressure cooker, the bottom of bayonet socket has location structure, being coordinated by stopping valve bar after such closing lid to make push pedal locate, push pedal is not slidable when pot nside has elevated pressures, so cannot uncap, ensure that the security of uncapping.
3, the lift structure that stopping valve bar can be made to increase when push pedal is near pot cover edge is provided with in this cover closing and opening safety device for pressure cooker, which reduce leaving area, also the upward stroke of stopping valve bar is shortened, so when pot nside produces very little pressure, stopping valve bar will rise until sealed pot cover under pressure easily, the sensitivity that stopping valve bar rises is high, the time is short, effectively can avoid the loss of a pot intimate heat, pressure, shorten cooking time, reduce energy consumption, there is energy-conserving action.
4, keep off the setting of pin in this cover closing and opening safety device for pressure cooker, make turning edge of pot body in closing lid process to contact push pedal, decrease friction, make closing lid process smooth and easy.
5, the setting of card base in this cover closing and opening safety device for pressure cooker, the potential safety hazard produced when avoiding maloperation, improves the security of closing lid.
Accompanying drawing explanation
Fig. 1 is the perspective view of this cover closing and opening safety device for pressure cooker.
Fig. 2 is the structural representation of lower handle and pot body in this cover closing and opening safety device for pressure cooker.
Fig. 3 is the structural representation of push pedal and stopping valve bar in this cover closing and opening safety device for pressure cooker.
Fig. 4 is the structural representation of push pedal in this cover closing and opening safety device for pressure cooker.
Fig. 5 is the structural representation of another angle of push pedal in this cover closing and opening safety device for pressure cooker.
Fig. 6 is the partial structurtes cross-sectional schematic before this cover closing and opening safety device for pressure cooker closing lid.
Fig. 7 is the partial structurtes cross-sectional schematic in this cover closing and opening safety device for pressure cooker closing lid process.
Fig. 8 is the partial structurtes cross-sectional schematic after this cover closing and opening safety device for pressure cooker closing lid.
Fig. 9 is this cover closing and opening safety device for pressure cooker partial structurtes sectional view in example 2.
In figure, 1, upper handle; 2, valve seat; 3, pot body; 3a, to turn edge; 4, lower handle; 5, pot cover; 6, through hole; 7, stopping valve bar; 8, steam vent; 9, push pedal; 10, spring; 11, bayonet socket; 12, pressure shoulder; 13, bulge loop one; 14, detent; 15, slide rail; 16, bulge loop two; 17, jacking block; 18, lift block; 19, inclined-plane; 20, pin is kept off; 21, chute; 22, mouth is slipped into; 23, blocking surface; 24, card base; 25, locating dowel one; 26, locating dowel two.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment 1
As Fig. 1, shown in Fig. 2 and Fig. 6, this cover closing and opening safety device for pressure cooker comprises upper handle 1, valve seat 2 and the lower handle 4 be fixed on pot body 3, the boiler port of pot body 3 has the 3a that turns edge of outwards turnover, upper handle 1 is fixed on pot cover 5 and upper handle 1 has the through hole 6 communicated with the external world, valve seat 2 to be fixed on pot cover 5 and to be equipped with the stopping valve bar 7 that can be elevated in valve seat 2, the stopping valve bar 7 inner place be positioned at inside pot cover 5 has the steam vent 8 communicated with through hole 6, the push pedal 9 that is close or that slide away from pot cover 5 edge of one piece of energy is provided with in upper handle 1, be provided with one end between push pedal 9 and upper handle 1 and be resisted against upper handle 1, the other end is resisted against the spring 10 in push pedal 9.In order to make spring 10 can not play in closing lid process, ensure stability when push pedal 9 is slided, push pedal 9 has locating dowel 1, have locating dowel 2 26 in upper handle 1, spring 10 two ends be placed in locating dowel 1 and locating dowel 2 26 respectively.
As shown in Figure 3 and Figure 4, the front end of push pedal 9 has the bayonet socket 11 snapped in for stopping valve bar 7, and the bottom of bayonet socket 11 has can make the steam vent 8 of stopping valve bar 7 take on 12 with the pressure of the inner UNICOM of pot body 3 all the time when closing lid.Stopping valve bar 7 has the bulge loop 1 of circumferential projection, and bulge loop 1 is positioned at valve seat 2 and when closing lid, pressure shoulder 12 top is pressed on the upper surface of bulge loop 1.The bottom of bayonet socket 11 also has can coordinate with the stopping valve bar 7 risen the location structure that push pedal 9 is located after closing lid.As shown in Figure 5, in the present embodiment, location structure comprises the detent 14 for embedding for stopping valve bar 7 that bayonet socket 11 bottom has, according to actual conditions, location structure can also have for bayonet socket 11 bottom when stopping valve bar 7 rise after can with stopping valve bar 7 against positioning step.
The lift structure that stopping valve bar 7 can be made to increase when push pedal 9 is near pot cover 5 edge is provided with between push pedal 9 and stopping valve bar 7.In the present embodiment, lift structure comprises slide rail 15 that bayonet socket 11 top has and the bulge loop 2 16 that stopping valve bar 7 outer end place has, and bulge loop 2 16 is positioned on slide rail 15 and slide rail 15 is raised to the inside gradually by bayonet socket 11 end.
As shown in Figure 4, Figure 5, push pedal 9 bottom place has card base 24, and when pot cover 5 and pot body 3 correctly do not fasten, card base 24 is between the pot mouth and pot cover 5 of pot body 3, and card base 24 is positioned at the below of the 3a that turns edge after pot cover 5 and pot body 3 correctly fasten.The rear end lower of push pedal 9 also has gear pin 20, as shown in Figure 2, lower handle 4 has and inserts and the chute 21 that push pedal 9 can be guided to slide for gear pin 20, chute 21 have be positioned at lower handle 4 side slip into mouth 22, the end slipping into mouth 22 is folded to pot body 3 and this end has blocking surface 23.
The operation principle of this cover closing and opening safety device for pressure cooker is as described below: first pot cover 5 and pot body 3 are fastened, when occurring that pot cover 5 fastens not in place with pot body 3, card base 24 makes pot cover 5 can not fasten all the time between the pot mouth and pot cover 5 of pot body 3, avoid pressure increase in pot body 3, effectively prevent potential safety hazard.As shown in Figure 7, after pot cover 5 and pot body 3 correctly fasten, rotate upper handle 1 closing lid, push pedal 9 is contacted by the 3a that turns edge of pot cover 5 elastic force making push pedal 9 overcome spring 10 and slides to the direction of the 3a that turns edge away from pot cover 5, and the gear pin 20 of push pedal afterwards 9 can enter chute 21 from slipping into mouth 22, and now push pedal 9 is by chute 21 guided slidable, push pedal 9 first guides to away from direction, pot cover 5 edge by chute 21, the 3a that turns edge of pot body 3 can not contact push pedal 9, decreases friction, makes closing lid process smooth and easy.Stopping valve bar 7 declines under gravity, bulge loop 2 16 on stopping valve bar 7 declines along slide rail 15, the lower surface of bulge loop 1 and valve seat 2 lean thus stop the continuation of stopping valve bar 7 to decline, the steam vent 8 of stopping valve bar 7 is positioned at the sealing surface bottom of valve seat 2, pressure shoulder 12 top of push pedal 9 is pressed on the upper surface of bulge loop 1, stopping valve bar 7 is made to increase like this, steam vent 8 is UNICOM inner with pot body 3 all the time, in such closing lid process, in pot body 3, pressure can be got rid of from steam vent 8, make pressure in pot body 3 can not exceed safe force value, meet the requirement of closing lid security, ensure that closing lid process is laborsaving simultaneously, smoothly.
When the fastening area of pot cover 5 and the 3a that turns edge of pot body 3 is more than 85 percent, push pedal 9 guides near direction, pot cover 5 edge by chute 21, now push pedal 9 is close to the 3a that turns edge of pot cover 5 by the elastic force effect of spring 10, blocking surface 23 stops that gear pin 20 advances afterwards, makes push pedal 9 stop sliding.Push pedal 9 turns edge in 3a approach process to pot cover 5, pressure shoulder 12 leaves the upper surface of bulge loop 1 gradually, until belling ring 1 can not be pushed up completely, bulge loop 2 16 rises along the slide rail 15 raised gradually afterwards, and namely achieving stopping valve bar 7 rises, as shown in Figure 8, after pot cover 5 and pot body 3 fasten, card base 24 in push pedal 9 is positioned at the below of the 3a that turns edge, and card base 24 can fasten with the 3a that turns edge, and further increases security; The steam vent 8 that now stopping valve bar 7 the inner has is positioned on the sealing surface of valve seat 2, which reduce leaving area, also the upward stroke of stopping valve bar 7 is shortened, so when pot body 3 inside produces very little pressure, stopping valve bar 7 will rise under pressure easily until sealing ring that stopping valve bar 7 the inner is fixed with contacts with the sealing surface of valve seat 2 and makes pot cover 5 seal, the sensitivity that stopping valve bar 7 rises is high, the time is short, effectively can avoid the loss of heat, pressure in pot body 3, shorten cooking time, reduce energy consumption, there is energy-conserving action; Stopping valve bar 7 rises in addition, the upper end of the bulge loop 1 of stopping valve bar 7 is partially submerged in detent 14, stopping valve bar 7 makes bayonet socket 11 not slide, namely achieve the location of push pedal 9, therefore push pedal 9 is not slidable when pot body 3 inside has elevated pressures, so cannot uncap, only have when pressure drop in pot body 3 is within the scope of the opening pressure value of safety, stopping valve bar 7 just can decline, thus can open pot cover 5, this ensure that the security of uncapping.
Embodiment 2
As shown in Figure 9, the present embodiment is substantially identical with principle with the structure of embodiment 1, different place is that lift structure in the present embodiment comprises the lift block 18 of jacking block 17 that bayonet socket 11 top has and the circumferential projection that stopping valve bar 7 outer end place has, the surface that lift block 18 contacts with jacking block 17 is inclined-plane 19, and inclined-plane 19 is downward-sloping by side direction end direction in bayonet socket 11.When under the elastic force effect of push pedal 9 at spring 10 when pot body 3 transformation is close, jacking block 17 contacts the inclined-plane 19 of lift block 18, and such lift block 18 drives stopping valve bar 7 to rise together, until the steam vent 8 of stopping valve bar 7 is positioned on the sealing surface of valve seat 2.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ upper handle 1, valve seat 2, pot body 3, the 3a that turns edge, lower handle 4, pot cover 5, through hole 6, stopping valve bar 7, steam vent 8, push pedal 9, spring 10, bayonet socket 11, pressure shoulder 12, bulge loop 1, detent 14, slide rail 15, bulge loop 2 16, jacking block 17, lift block 18, inclined-plane 19, gear pin 20, chute 21 herein, slip into the terms such as mouth 22, blocking surface 23, card base 24, locating dowel 1, locating dowel 2 26, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (7)
1. a cover closing and opening safety device for pressure cooker, comprise upper handle (1), valve seat (2) and the lower handle (4) be fixed on a pot body (3), described upper handle (1) is fixed on that pot cover (5) is upper and upper handle (1) has the through hole (6) communicated with the external world, described valve seat (2) is fixed on pot cover (5) and goes up and be equipped with the stopping valve bar (7) that can be elevated in valve seat (2), the inner place that described stopping valve bar (7) is positioned at pot cover (5) inner side has the steam vent (8) communicated with through hole (6), the push pedal (9) that is close or that slide away from pot cover (5) edge of one piece of energy is provided with in described upper handle (1), be provided with one end between described push pedal (9) and upper handle (1) and be resisted against upper handle (1), the other end is resisted against the spring (10) in push pedal (9), it is characterized in that, the front end of described push pedal (9) has the bayonet socket (11) snapped in for stopping valve bar (7), the bottom of described bayonet socket (11) has the pressure that the steam vent of stopping valve bar (7) (8) can be made to be communicated with pot body (3) inside all the time when closing lid and takes on (12), the bottom of described bayonet socket (11) also has can coordinate with the stopping valve bar (7) risen the location structure that push pedal (9) is located after closing lid, described location structure comprise that bayonet socket (11) bottom has for stopping valve bar (7) against positioning step.
2. cover closing and opening safety device for pressure cooker according to claim 1, it is characterized in that, described stopping valve bar (7) has the bulge loop one (13) of circumferential projection, and described bulge loop one (13) is positioned at valve seat (2) and pressure shoulder (12) top described in when closing lid is pressed on the upper surface of bulge loop one (13).
3. cover closing and opening safety device for pressure cooker according to claim 1 and 2, it is characterized in that, the lift structure that stopping valve bar (7) can be made to increase when push pedal (9) is near pot cover (5) edge is provided with between described push pedal (9) and stopping valve bar (7), described lift structure comprises the lift block (18) of jacking block (17) that bayonet socket (11) top has and the circumferential projection that stopping valve bar (7) outer end place has, the surface that described lift block (18) contacts with jacking block (17) is inclined-plane (19), described inclined-plane (19) is downward-sloping by bayonet socket (11) interior side direction end direction.
4. cover closing and opening safety device for pressure cooker according to claim 1 and 2, it is characterized in that, the rear end lower of described push pedal (9) has gear pin (20), described lower handle (4) has and inserts and the chute (21) that push pedal (9) can be guided to slide for gear pin (20), described chute (21) have be positioned at lower handle (4) side slip into mouth (22), the described end slipping into mouth (22) is folded to a pot body (3) and this end has blocking surface (23).
5. cover closing and opening safety device for pressure cooker according to claim 1 and 2, it is characterized in that, described push pedal (9) bottom place has card base (24), and the card base (24) described in when pot cover (5) and pot body (3) correctly do not fasten is positioned between the pot mouth of a pot body (3) and pot cover (5).
6. cover closing and opening safety device for pressure cooker according to claim 5, it is characterized in that, the boiler port of described pot body (3) has turn edge (3a) of outwards turnover, and card base (24) described after pot cover (5) and pot body (3) correctly fasten is positioned at the below of turn edge (3a).
7. cover closing and opening safety device for pressure cooker according to claim 1 and 2, it is characterized in that, described push pedal (9) has locating dowel one (25), have locating dowel two (26) in described upper handle (1), described spring (10) two ends are placed in locating dowel one (25) and locating dowel two (26) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264740.1A CN103315620B (en) | 2011-09-15 | 2011-09-15 | Cover opening and closing cover safety device of pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264740.1A CN103315620B (en) | 2011-09-15 | 2011-09-15 | Cover opening and closing cover safety device of pressure cooker |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102733836A Division CN102319018B (en) | 2011-09-15 | 2011-09-15 | Cover opening and closing safety device of pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103315620A CN103315620A (en) | 2013-09-25 |
| CN103315620B true CN103315620B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310264740.1A Active CN103315620B (en) | 2011-09-15 | 2011-09-15 | Cover opening and closing cover safety device of pressure cooker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133993A1 (en) * | 2017-01-20 | 2018-07-26 | Wmf Group Gmbh | Pressure cooker |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106136871B (en) * | 2016-07-15 | 2018-11-06 | 珠海格力电器股份有限公司 | Cover opening device and cooking utensil with same |
| CN106439641B (en) * | 2016-08-31 | 2019-02-22 | 宁波奇驰照明灯具有限公司 | LED ceiling lamp |
| CN109984581B (en) * | 2018-01-03 | 2021-12-21 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and be used for cooking utensil's upper cover subassembly |
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| CN2364806Y (en) * | 1999-03-12 | 2000-02-23 | 周赛方 | Safety device for opening and closing cover of pressure-cooker |
| CN2831986Y (en) * | 2005-07-13 | 2006-11-01 | 浙江苏泊尔炊具股份有限公司 | Mechanism for controlling push plate in safety device for opening/closing cover of pressure cooker |
| US7718928B2 (en) * | 2006-12-15 | 2010-05-18 | Zhigang He | Multifunction and safe electric pressure cooker |
| CN201079274Y (en) * | 2007-08-20 | 2008-07-02 | 武汉苏泊尔炊具有限公司 | Opening and closing cover mechanism for pressure cooker |
| CN201519049U (en) * | 2009-09-18 | 2010-07-07 | 浙江永达不锈钢制品有限公司 | Vacuum fresh-keeping pressure cooker |
| CN201658236U (en) * | 2010-02-05 | 2010-12-01 | 浙江苏泊尔股份有限公司 | Safe covering and uncovering device of pressure cooker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133993A1 (en) * | 2017-01-20 | 2018-07-26 | Wmf Group Gmbh | Pressure cooker |
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| Publication number | Publication date |
|---|---|
| CN103315620A (en) | 2013-09-25 |
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