CN2840868Y - Novel multifunction electric pressure cooker - Google Patents

Abstract

The utility model relates to a multifunctional electric pressure cooker which is composed of a cooker main body and a cooker cover, wherein the cooker main body comprises an outer shell body, a base and an inner cooker, wherein the outer shell body is provided with an electric-controlled device; the cooker cover is provided with a locking ring and a rotary knob assembly. The utility model is characterized in that the cooker cover is also provided with a cover-closing positioning detecting device which is used for detecting whether the rotary knob assembly screws the locking ring and the inner cooker to the safe locked positions. Since the utility model skillfully adopts the structure of the cover-closing positioning detecting device which is arranged on the cooker cover, the cover-closing positioning detecting device structure can be used for detecting whether the rotary knob assembly safely locks the locking ring and the inner cooker, thereby, in the process of locking the cooker cover and the inner cooker using the rotary knob assembly, the utility model can accurately judge whether the locking ring and the inner cooker are operated to be positioned and are safely locked to ensure that the utility model is used safely. In addition, for enhancing the using safety of the utility model, the cooker cover is also provided with an electrically controlled protecting device which is composed of an inching switch, etc. and is used for controlling a power supply of the electrically controlled device to be switched on or switched off, and the electrically controlled protecting device synchronously operates with the state of the cooker cover and the state of the inner cooker.

Description

A kind of Multifunction electric pressure cooking saucepan

Technical field

The utility model relates to a kind of electric pressure cooking saucepan, particularly a kind of Multifunction electric pressure cooking saucepan safe in utilization.

Background technology

Existing electric pressure cooking saucepan is of a great variety, and improving constantly along with people's living standard, its function is also more and more, and for strengthening the security of its use, mostly on its pot cover, safety valve is set, pressure limiting valve and can make pot cover and main pan body be in the knob assembly of tight fastening or opening, as the patent No. is shown in the disclosed a kind of electric pressure cooking saucepan of ZL98215733, its adopt on pot cover be provided with by one can with the knob of its retainer interlock, the knob assembly that pressure control switch and leverage etc. are formed, thereby can make pot cover and main pan body be in lock sealing or opening by this knob assembly, use more convenient, safety, but blemish in an otherwise perfect thing is: owing to there is not any its knob assembly that detects whether retainer and interior pot are closed the checkout gear that lid puts in place on its pot cover, so that existing electric pressure cooking saucepan in use, can not judge accurately that pot cover is whether with interior pot safety locking but survey by guess and realize, therefore occurring in easily under the situation of pot cover and interior pot non-locking causes the people to scald with regard to startup electric-controlled switch work, the generation of incidents such as waste power supply is so its structure is unreliable, use dangerous.Mostly do not establish the electrical protective device of electric control gear on/off on its main pan body of control in addition on the pot cover of existing electric pressure cooking saucepan; so that child disorderly by or adult's mistake all can start electric-controlled switch work by the switch on the main pan body electric control gear and cause the generation of incidents such as pot body burns out, the people scalds, waste power supply, use is absolutely unsafe.Also have existing electric pressure cooking saucepan mostly to have employing on a rotation connecting rod of knob assembly, a slot to be set and inserting column is set on retainer, the purpose of then slot being inserted in the inserting column on the retainer and realizing covering with the rotation folding of knob, the pot of electric pressure of this structure, the length of connecting rod will be grown first, the production cost height; Second this long connecting rod uses under the bigger situation of two ends torsion for a long time, fractures easily, and service life is short, so existing electric pressure cooking saucepan can't satisfy consumers in general's requirement.

Summary of the invention

The purpose of this utility model is at above-mentioned existing problems and deficiency, provides a kind of and can judge accurately that knob assembly is whether with the Multifunction electric pressure cooking saucepan of safe in utilization, convenient, the reliable in structure of pot cover and the reliable locking of interior pot.

On this basis, the further purpose of the utility model provides a kind of can the action to control the multifunction electric pressure pot safe in utilization of electric control gear on/off on it with pot cover and interior pot state synchronized of living in.

On this basis, the utility model further purpose provides a kind of reducing production costs, and structure is more reliable, the Multifunction electric pressure cooking saucepan of long service life.

The technical solution of the utility model is achieved in that

Multifunction electric pressure pot described in the utility model, form by main pan body and the pot cover that is installed on this main pan body, wherein, described main pan body comprises the shell body of charged control device, be installed on this shell body bottom and it on device the base of electro-heat equipment and temperature limiter is arranged and is installed in this shell body interior pot, and on the described pot cover device have one can with described in the pot port cooperate and buckle locking and make the retainer of pot cover and interior pot locking and be used to make described retainer to be in and to lock or the knob assembly of released state with interior pot, be characterized on the described pot cover that returning apparatus has one to be used to detect knob assembly and whether retainer to be screwed with interior pot of closing of safe locked position and cover level detecting apparatus.

For making the utility model operation simple and easy, and it is simple in structure, reliably, above-mentioned closing covered level detecting apparatus and comprised and be positioned at above-mentioned knob assembly one side and can going up, be placed through down the iron core of the two ends band rib on the above-mentioned pot cover versatilely and be placed on this iron core and its two ends respectively overhead on the rib of the lower end of above-mentioned pot cover and described iron core back-moving spring and be convexly set in " Ω " shape gear on the flanging one on the above-mentioned retainer in, above-mentioned closing covered level detecting apparatus and driven above-mentioned retainer rotation by above-mentioned knob assembly, impel described iron core cross described gear and when being slipped to the gear both sides, send land knock and detect above-mentioned pot cover retainer and above-mentioned in the operation state that puts in place of pot.And the utility model can make above-mentioned retainer be difficult for taking place because of slight vibrations the generation of incidents such as displacement build-up of pressure pot quits work again by the protective effect of above-mentioned gear, has further strengthened its reliability of structure.

For strengthening the security of its use; to reach further purpose of the present utility model; on the above-mentioned pot cover returning apparatus have one be used to control electric control gear the power supply on/off and with the automatically controlled protective device of pot cover and the state synchronized action of living in of interior pot, described automatically controlled protective device comprises be installed on described knob assembly one side form discontinuous with described knob assembly and bump the microswitch that being used to of connecing control the power circuit on/off of above-mentioned electric control gear.

For further strengthening the security of its use; returning apparatus has the pressure limiting protective device of uncapping on the above-mentioned pot cover; this pressure limiting protective device of uncapping comprises and is installed on above-mentioned inner cap near the valve seat on the outer rim and be applied in the float-controlled valve in the described valve seat and be shaped on the described retainer and be positioned at the horizontal stop block of described float-controlled valve one side, and described pressure limiting hood-opening device is placed a side of described stop block that above-mentioned retainer can not be rotated to guarantee to form above-mentioned inner cap and interior pot positive lock state by described float-controlled valve by fending off atmospherically.

Above-mentioned knob assembly comprise be installed on the bracing or strutting arrangement that covers in above-mentioned and top thereof be placed through in above-mentioned enclosing cover axle sleeve and the middle cover perforation and its inner end be socketed on rotating shaft on the above-mentioned inner cap bracing or strutting arrangement, the handle that installs this rotating shaft outer end be installed on this rotating shaft connecting rod bottom and that link to each other with above-mentioned retainer, the middle part returning apparatus of described rotating shaft has one can and bump the cross bar that connects with above-mentioned microswitch contact discontinuous with this rotating shaft rotation, and for reducing production cost of the present utility model and prolonging its service life, to reach further purpose of the utility model, the outer end of above-mentioned connecting rod is provided with down an inserting column, be provided with the slot that can place for described inserting column on the above-mentioned retainer accordingly, above-mentioned retainer is placed through in the described slot by described inserting column and is connected with above-mentioned connecting rod, and rotate with the rotation of above-mentioned knob.

Whether the utility model screws retainer the structure of covering level detecting apparatus of closing with interior pot safe locked position owing to adopt on pot cover device one to can be used for detecting knob assembly dexterously, thereby make the utility model in the process of knob assembly with pot cover and interior pot locking, can judge whether exactly retainer on the pot cover and interior pot operation to be put in place and safety locking by this checkout gear, safe in utilization to guarantee it, effectively avoided retainer and interior pot under the situation of safety locking not, to cause the people to scald with regard to starting electric control gear work, the generation of accidents such as waste power supply.And because the utility model also adopts on pot cover device one to can be used for controlling the structure of the automatically controlled protective device of being made up of microswitch etc. the electric control gear on/off and that can move with pot cover and interior pot state synchronized of living in, the utility model is had only when knob assembly to screw the inner pan body of retainer and main pan body when putting in place, be that pot cover and interior pot are when being in locking state, above-mentioned knob assembly could be collided with the contact on the microswitch and be connect, electric control gear on the main pan body is in "on" position at this moment, just can start each functional operation on this electric control gear; And pot cover and interior pot are when closing lid and not putting in place or uncap, above-mentioned knob assembly can't bump with the contact on the microswitch and connect, and the whole cooker main body is in off-position, and each function on its electric control gear can't operate, do not heat in the pot, do not go up yet and press, further guaranteed user's safety in use.Simultaneously close the structure of covering level detecting apparatus because the utility model also adopts by what " Ω " shape gear, iron core and coil tension spring etc. were formed, it is simple in structure, reliable, operation is simple and easy, production cost is low.The structure of protective device because its pressure limiting of also adopting on pot cover device to be made up of valve seat, float-controlled valve and stop block etc. is uncapped only could be opened pot cover when the pot internal gas pressure is in safety value in addition, has further strengthened the security of its use.And, further strengthened the utility model reliability of structure, prolonged its service life because the utility model also adopts and inserting column is arranged on the connecting rod of knob assembly and slot is arranged at structure on the retainer.The utility model is reasonable in design, simple in structure, reliable, production cost is low, safe in utilization, convenient, can satisfy consumers in general's requirement.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is the utility model sectional structure schematic diagram;

Fig. 2 is the three-dimensional broken section structural representation of pot cover in the utility model;

Fig. 3 operates pot cover for knob assembly among Fig. 2 and closes the configuration diagram of covering the state that puts in place with interior pot;

Fig. 4 for knob assembly among Fig. 2 with pot cover and interior pot of configuration diagram of operating the state of putting in place of uncapping;

Fig. 5 is the assembly structure schematic diagram of knob assembly and retainer among Fig. 2;

Fig. 6 is that gasket set of the present utility model is in the interior structural representation that covers;

Fig. 7 is the installation diagram of Fig. 6;

Fig. 8 is the plan structure schematic diagram of pot cover of the present utility model;

Fig. 9 is the A-A sectional structure schematic diagram of Fig. 8.

The specific embodiment

Shown in Fig. 1-9, Multifunction electric pressure cooking saucepan described in the utility model, form by main pan body 1 and the pot cover 2 that is installed on this main pan body 1, wherein, described main pan body 1 comprises the shell body 11 of charged control device, be installed on these shell body 11 bottoms and on it device the base 12 of electro-heat equipment and temperature limiter is arranged and is installed on interior pot 13 in this shell body 11, and on the described pot cover 2 device have one can with described in pot 13 ports cooperate and buckle locking and make the retainer 25 of pot cover 2 and interior pot 13 positive locks and be used to that described retainer 25 and interior pot 13 are in and lock or the knob assembly 5 and the safety valve 4 of released state, pressure limiting valve 3, for making the utility model structure more reliable, use more convenient, safety, whether returning apparatus has one to be used to detect knob assembly 5 and retainer 25 to be screwed with interior closing of 13 safe locked position of pot and cover level detecting apparatus 6 on the described pot cover 2, thereby make the utility model in the process of using, when the retainer on the pot cover 2 25 being locked with interior pot 13 with knob assembly 5, the user can close by this and cover level detecting apparatus 6 and judge accurately whether knob assembly 6 has screwed the also safety locking that puts in place with retainer 25 and interior pot 13, guarantee that it is safe in utilization, effectively avoided pot cover 2 and interior pot 13 not start electric control gear work under the situation of safety locking and cause the people to scald, the generation of accidents such as waste power supply.And for making the utility model operation simple and easy, and it is simple in structure, reliably, above-mentioned closing covered level detecting apparatus 6 and comprised and can go up, down be placed through on the above-mentioned pot cover 2 versatilely and be positioned at above-mentioned knob assembly 5 one sides two ends band rib iron core 62 and be placed on this iron core 62 and overhead is in the back-moving spring 63 on the lower end rib of above-mentioned pot cover 2 and described iron core 62 and be convexly set in " Ω " shape gear 61 on the flanging on the above-mentioned retainer 25 respectively at its two ends, above-mentioned closing covered level detecting apparatus 6 and driven above-mentioned retainer 25 rotations by above-mentioned knob assembly 5, impel described iron core 62 cross described gear 61 and when being slipped to gear 61 both sides, send the retainer 25 that lands knock and detect above-mentioned pot cover 2 with above-mentioned in pots 13 the operation state that puts in place.Above-mentioned pot cover 2 comprises and the hinged enclosing cover in the upper edge of above-mentioned shell body 11 21 and the middle cover 22 and the inner cap 23 that are connected as a single entity with it, and the outside of described middle cover 22 can be interlocked with above-mentioned shell body 11, be embedded with sealing ring 24 on the edge of described inner cap 23, above-mentioned retainer 25 is connected on the edge of described inner cap 23 rotationally.The utility model adopt above-mentioned iron core 62 placed on the middle cover 22 of above-mentioned pot cover 2 and with the upper end overhead of above-mentioned back-moving spring 63 on the inner surface of above-mentioned middle cover 22.In the process of using, the above-mentioned gear 61 of corresponding drive rotates synchronously when the above-mentioned retainer 25 of above-mentioned knob assembly 5 drives turns left, and because above-mentioned middle cover 23 is fixed, so the iron core 62 that places does not thereon rotate with retainer 25, cause the telescopic action of above-mentioned iron core 62 by back-moving spring 63 to roll over to the right from the left side of gear 61, the retainer 25 of above-mentioned pot cover 2 has been in the safety locking state with the operation of above-mentioned interior pot 13 at this moment, and the electric pressure cooking saucepan of this kind structure can make above-mentioned retainer 25 be difficult for quitting work because of displacement build-up of pressure pot takes place in slight vibrations again by the protective effect of above-mentioned gear 61, further strengthened its reliability of structure, simultaneously because above-mentioned iron core 62 lands the sound that knocks " stining " and allows the user learn that clearly knob assembly 5 has been rotated in place being slipped to can send when blocking 61 right sides, structure at this moment as shown in Figure 3; On the contrary, in the time will opening pot cover 2, drive above-mentioned retainer 25 and turn right accordingly when turning right above-mentioned rotary components 5, the telescopic action of above-mentioned iron core 62 this moment by back-moving spring 63 again from the right of gear 61 roll over to retainer 25 that the left side makes above-mentioned pot cover 2 with above-mentioned in pot 13 be in the release state of uncapping, this moment structure as shown in Figure 4, so it is extremely easy to use.For strengthening the security that the utility model uses, to reach further purpose of the present utility model, as shown in Figure 2, on the above-mentioned pot cover 2 returning apparatus have one be used to control electric control gear the power supply on/off and with the automatically controlled protective device of pot cover 2 with interior pot 13 state synchronized actions of living in, described automatically controlled protective device comprises being installed on above-mentioned knob assembly 5 one sides and forming discontinuous with above-mentioned knob assembly 5 and bumps the microswitch 8 that is used to control electric control gear power circuit on/off that connects, the utility model adopts above-mentioned microswitch 8 is installed on the above-mentioned middle cover 22, and realize being electrically connected with above-mentioned electric control gear, thereby the utility model is had only when knob assembly 5 to screw the inner pan body 13 of pot cover 2 and main pan body 1 when putting in place, to be above-mentioned knob assembly 5 with above-mentioned retainer 25 and interior pot 13 revolve puts when being in locking state, above-mentioned knob assembly 5 could be collided with the contact on the microswitch 8 and be connect, electric control gear on the main pan body 1 is in "on" position at this moment, just can start each functional operation on this electric control gear; And retainer 25 on the pot cover 2 and interior pot 13 are when closing lid and not putting in place or uncap, above-mentioned knob assembly 5 can't bump with the contact on the microswitch 8 and connect, whole cooker main body 1 is in off-position, each function on its electric control gear can't operate, do not heat in the pot, do not go up yet and press, further guaranteed user's safety in use, and the utility model simple in structure, be easy to make, operation is simple and easy, production cost is low.5232322122232325252515223222554；5252853,2512513。Above-mentioned bracing or strutting arrangement 232 can be positioned the optional position on the whole inner cap 23.And for reducing production cost of the present utility model and prolonging its service life, to reach further purpose of the utility model, as shown in Figure 5, the outer end of above-mentioned connecting rod 54 is provided with down an inserting column 541, be provided with the slot 252 that can place for described inserting column 541 on the above-mentioned retainer 25 accordingly, above-mentioned retainer 25 is placed through in the described slot 252 by described inserting column 541 and is connected with above-mentioned connecting rod 54 and with the synchronous rotation of above-mentioned knob 51.For further strengthening the security of its use; returning apparatus has the pressure limiting protective device 7 of uncapping on the above-mentioned pot cover 2; this pressure limiting protective device 7 of uncapping comprises the valve seat 71 on being installed on above-mentioned inner cap 23 keeps to the side and is applied in the float-controlled valve 73 in the described valve seat 71 and is shaped on the described retainer 25 and is positioned at the horizontal stop block 72 of described float-controlled valve 73 1 sides, and described pressure limiting closing device 7 is placed a side of described stop block 72 that above-mentioned retainer 25 can not be rotated to guarantee to form the positive lock state of above-mentioned inner cap 23 and interior pot 13 by described float-controlled valve 73 by fending off atmospherically.In the process of using, when the air pressure in the interior pot 13 reaches 5KPa, the above-mentioned pressure limiting protective device 7 of uncapping begins to start, air pressure in the pot location right that retaining is put above-mentioned stop block 72 during with above-mentioned float-controlled valve 73 jack-up, this moment, described retainer 25 and handle 51 can't rotate again, described pot cover 2 locks together with above-mentioned interior pot 13 reliably by described retainer 25, to reach the effect of safe handling; After food boils in the interior pot 13, insulation lamp on the electric control gear is bright, at this moment, above-mentioned float-controlled valve 73 falls automatically, and expression pot internal gas pressure has almost been arranged fully, stop block 72 on the above-mentioned retainer 25 can rotate with turn handle 51 because of floatless valve 73 blocks, when the position that rotary handle 51 turns right to out, above-mentioned retainer 25 and the release of interior pot 13 ports, the button that press on the main pan body 1 this moment can be opened enclosing cover 21, extremely easy to use, and safety, reliable.And, the manner of pot 13 and retainer 25 can design arbitrarily according to user's needs in above-mentioned, the utility model adopts above-mentioned in that pot 13 ports are one-body molded a plurality of evagination clasps 131, and the bottom part ring of above-mentioned retainer 25 be provided with a plurality of can with above-mentioned in the invagination clasp 251 that is interlocked of pot 13 clasps 131, above-mentioned inner cap 23 rotates by the above-mentioned retainer 25 of above-mentioned handle 51 drives and the clasp 251 on it is reliably locked with interior pot 13 with the screwing holding of clasp 131 of interior pot 13 ports, and by sealing ring 24 complete and interior pot 13 port sealings, in order to avoid cause gas leak phenomenon.For further strengthening the security of structural reliability of the present utility model and use, as Fig. 6-shown in Figure 7, above-mentioned sealing ring 24 is the cushion rubber of outside band card protruding 241, be provided with the groove of band hole clipping 231 that can ccontaining above-mentioned sealing ring 24 on the edge of above-mentioned inner cap 23 accordingly, above-mentioned sealing ring 24 respectively blocks in the protruding 241 corresponding hole clippings 231 that are placed in respectively on the described groove by it and is flush-mounted in reliably in the groove 231 of above-mentioned inner cap 23.And when pot body internal pressure reaches exhaust pressure limit; certain displacement takes place and makes the gas in pot body begin exhausts with an alleviation pot internal gas pressure by above-mentioned hole clipping 231 in the card protruding 241 on the above-mentioned sealing ring 24 under the effect of pot body internal pressure, thereby electric pressure cooking saucepan has been played further safeguard protection effect.Pot cover 2 of the present utility model and main pan body 1 are to adopt iron core that it is hinged.The utility model design is ingenious, reasonable, safe in utilization, convenient, and simple in structure, reliable, good looking appearance, production cost are low, the requirement that can satisfy consumers in general.

Claims (10)

1, a kind of Multifunction electric pressure cooking saucepan, form by main pan body (1) and the pot cover (2) that is installed on this main pan body (1), wherein, described main pan body (1) comprises the shell body (11) of charged control device, be installed on this shell body (11) bottom and it on device the base (12) of electro-heat equipment and temperature limiter is arranged and is installed on interior pot (13) in this shell body (11), and described pot cover (2) go up device have one can with described in pot (13) port cooperate and buckle locking and make the retainer (25) of pot cover (2) and interior pot (13) positive lock and be used to make described retainer (25) and interior pot (13) to be in the knob assembly (5) of locking or released state, it is characterized in that described pot cover (2) goes up returning apparatus and have one to be used to detect described knob assembly (5) and whether described retainer (25) to be screwed with interior pot of closing of (13) safe locked position and cover level detecting apparatus (6).

2, multifunction electric pressure pot according to claim 1, it is characterized in that above-mentioned closing cover level detecting apparatus (6) and comprise and can go up, down be placed through above-mentioned pot cover (2) on versatilely and be positioned at above-mentioned knob assembly (5) one sides two ends band rib iron core (62) and be placed on this iron core (62) and its two ends distinguish overhead in the back-moving spring (63) on the lower end rib of above-mentioned pot cover (2) and described iron core (62) and be convexly set in " Ω " shape gear (61) on the flanging on the above-mentioned retainer (25), above-mentioned closing covered level detecting apparatus (6) and driven above-mentioned retainer (25) rotation by above-mentioned knob assembly (5), impel described iron core (62) cross described gear (61) and when being slipped to gear (61) both sides, send the retainer (25) that lands knock and detect above-mentioned pot cover (2) with above-mentioned in the operation of pot (13) state that puts in place.

3, multifunction electric pressure pot according to claim 1, it is characterized in that above-mentioned pot cover (2) comprises and the hinged enclosing cover (21) in the upper edge of above-mentioned shell body (11) and the middle cover (22) and the inner cap (23) that are connected as a single entity with it, and the outside of described middle cover (22) can be interlocked with above-mentioned shell body (11), be embedded with sealing ring (24) on the edge of described inner cap (23), above-mentioned retainer (25) is connected on the edge of described inner cap (23) rotationally.

4, multifunction electric pressure pot according to claim 3 it is characterized in that above-mentioned iron core (62) places on the middle cover (22) of above-mentioned pot cover (2), and the upper end overhead of above-mentioned back-moving spring (63) is on the inner surface of above-mentioned middle cover (22).

5, according to claim 1 or 2 or 3 or 4 described multifunction electric pressure pots; it is characterized in that above-mentioned pot cover (2) go up returning apparatus have one can be used for controlling electric control gear the power supply on/off and with the automatically controlled protective device of pot cover (2) and interior pot (13) state synchronized action of living in, described automatically controlled protective device comprises being installed on above-mentioned knob assembly (5) one sides and forming discontinuous with above-mentioned knob assembly (5) and bumps the microswitch (8) that being used to of connecing control the power circuit on/off of above-mentioned electric control gear.

6, multifunction electric pressure pot according to claim 5, it is characterized in that above-mentioned knob assembly (5) comprise the bracing or strutting arrangement (232) that is installed on the above-mentioned inner cap (23) and top thereof be placed through in above-mentioned enclosing cover (21) axle sleeve and middle cover (22) perforation and its inner end be socketed on rotating shaft (52) on described inner cap (23) bracing or strutting arrangement (232), install the handle (51) of this rotating shaft (52) outer end and be installed on this rotating shaft (52) bottom and be positioned at above-mentioned inner cap (23) and middle cover (22) between the connecting rod (54) that links to each other with above-mentioned retainer (25), and the middle part returning apparatus of described rotating shaft (52) has one can and bump the cross bar (53) that connects with above-mentioned microswitch (8) contact discontinuous with this rotating shaft (52) rotation, and above-mentioned pot cover (2) drives above-mentioned retainer (25) rotation and forms lock sealing or opening with above-mentioned interior pot (13) by described handle (51).

7, multifunction electric pressure pot according to claim 6, the outer end that it is characterized in that above-mentioned connecting rod (54) is provided with down an inserting column (541), be provided with the slot (252) that can place for described inserting column (541) on the interior flanging of above-mentioned retainer (25) accordingly, above-mentioned retainer (25) is placed through in the described slot (252) by described inserting column (541) and is connected with above-mentioned connecting rod (54) and with the synchronous rotation of above-mentioned knob (51).

8; according to claim 1 or 2 or 3 or 4 described multifunction electric pressure pots; it is characterized in that above-mentioned pot cover (2) goes up returning apparatus the one pressure limiting protective device (7) of uncapping is arranged; this pressure limiting protective device (7) of uncapping comprises the valve seat (71) on being installed on above-mentioned inner cap (23) keeps to the side and is applied in the float-controlled valve (73) in the described valve seat (71) and is shaped in the horizontal stop block (72) that described float-controlled valve (73) one sides were gone up and be positioned to described retainer (25), and described pressure limiting closing device (7) is placed a side of described stop block (72) that above-mentioned retainer (25) can not be rotated to guarantee to form the positive lock state of above-mentioned inner cap (23) and interior pot (13) by described float-controlled valve (3) by fending off atmospherically.

9, multifunction electric pressure pot according to claim 1, it is characterized in that pot (13) port is one-body molded in above-mentioned has a plurality of evagination clasps (131), the bottom part ring of above-mentioned retainer (25) be provided with a plurality of can with above-mentioned in the invagination clasp (251) that is interlocked of pot (13) clasp (131), above-mentioned inner cap (23) is locked with interior pot (13) with the holding of the clasp (131) of interior pot (13) port by above-mentioned retainer (25) clasp (251).

10, multifunction electric pressure pot according to claim 3, it is characterized in that above-mentioned sealing ring (24) is the cushion rubber of outside band card protruding (241), be provided with the groove of band hole clipping (231) that can ccontaining above-mentioned sealing ring (24) on the edge of above-mentioned inner cap (23) accordingly, above-mentioned sealing ring (24) respectively blocks protruding (241) by it and is placed in respectively in the corresponding hole clipping (231) on the described groove and is flush-mounted in reliably in the groove (231) of above-mentioned inner cap (23).

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