CN105768859A - Electric pressure cooker capable of automatically exhausting - Google Patents
Electric pressure cooker capable of automatically exhausting Download PDFInfo
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- CN105768859A CN105768859A CN201410819080.3A CN201410819080A CN105768859A CN 105768859 A CN105768859 A CN 105768859A CN 201410819080 A CN201410819080 A CN 201410819080A CN 105768859 A CN105768859 A CN 105768859A
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- connecting rod
- electric pressure
- push rod
- drop hammer
- pressure cooking
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Abstract
The invention provides an electric pressure cooker capable of automatically exhausting. The electric pressure cooker comprises a cooker body, a cooker cover and a control circuit, wherein an exhaust pipe and a gravity hammer which is in sealed contact with the exhaust pipe are arranged on the cooker cover; a first connecting rod is additionally arranged on the cooker cover; a ferromagnetic material is arranged at the first end of the first connecting rod; the position, corresponding to the ferromagnetic material, of the cooker body, is provided with an electromagnet which can take a magnetic effect on the ferromagnetic material; the electromagnetic is electrically connected to the control circuit; the second end of the first connecting rod is in transmitted connection to the gravity hammer; and the gravity hammer is displaced directly or indirectly when the second end of the first connecting rod displaces upwards, and the gravity hammer is separated away from the port of the exhaust pipe. By virtue of the electromagnet and a lever linkage device which are mutually matched, the electric pressure cooker can simplify an automatically exhausting structure, shorten a power transmission route, reduce a probability of a jamming phenomenon in a power transmission process and improve product quality.
Description
Technical field
The present invention relates to cooking apparatus field, particularly relate to a kind of electric pressure cooking saucepan with automatic ventilating function.
Background technology
Traditional electric pressure cooking saucepan generally comprises pot and pot cover, described pot includes housing, control circuit it is provided with in housing, described pot cover is provided with exhaustor and is placed in the gravity drop hammer above exhaustor, seal between exhaustor with gravity drop hammer and contact, prevent the gas in pot from discharging from exhaustor, only when the air pressure produced in pot overcomes the active force of gravity drop hammer can aerofluxus, but in usual use procedure, the air pressure of the generation in pot can not overcome the active force of gravity drop hammer, now as needed aerofluxus, only by manual operation, namely in person being stirred gravity drop hammer by user makes it separate with exhaustor port, user is easily scalded by the steam discharged in exhaustor in operation, bring certain potential safety hazard.
Therefore, market occurring in that, one can self-bleeding electric pressure cooking saucepan, this electric pressure cooking saucepan is provided with electromagnetic valve and by the lower transmission component of solenoid-driven in pot, and on pot cover, it is provided with the upper driving member corresponding with lower transmission component, by solenoid-driven lower transmission component, and drive gravity drop hammer to move up and down by upper driving member to realize the automatic ventilating function of electric pressure cooking saucepan with this.nullAlthough the electric pressure cooking saucepan of this structure is capable of automatic ventilating function，But its structure connects complexity，Power transmission route is farther out，The phenomenon that easily occurs getting stuck in power train process causes and cannot realize automatic vent，Additionally，Owing to power transmission route is remote，In order to overcome the idle stroke occurred in transmission process，Need to be precisely calculated size and the installation site of each drive disk assembly，Add the difficulty of production and processing，Additionally，The upper driving member of this electric pressure cooking saucepan is located on pot cover，And lower transmission component is located in pot，On、It it is a kind of mechanical contact transmission between lower transmission component，Lower transmission component to promote driving member must pass medium ring，That is，Medium ring to be offered through hole，Sealing property between driving member and pot or pot cover is poor，Easily cause steam or water droplet to be entered in electromagnetic valve by the through hole on medium ring，The circuit of electromagnetic valve in pot is brought certain potential safety hazard.
Summary of the invention
The present invention overcomes at least one defect described in above-mentioned prior art, it is provided that the automatic vent electric pressure cooking saucepan that a kind of simple in construction, security performance are higher.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of self-bleeding electric pressure cooking saucepan, including pot, pot cover and control circuit, described pot cover is provided with exhaustor and is placed on exhaustor and seals, with exhaustor, the gravity drop hammer contacted, described pot cover is additionally provided with first connecting rod, first end of first connecting rod is provided with ferromagnetic material, in pot, the position of corresponding described ferromagnetic material is provided with ferromagnetic material is produced magneto motive electric magnet, described electric magnet electrically connects with described control circuit, second end of described first connecting rod and gravity drop hammer are in transmission connection, described gravity drop hammer can be directly or indirectly driven to be subjected to displacement and separate with exhaustor port when second end of described first connecting rod shifts up.
The present invention, by the cooperation of electric magnet and lever linkage, simplifies automatic exhausting equipment, shortens power transmission route, decreases the probability that the phenomenon that gets stuck in power train process occurs, improves the quality of product.
As a kind of preferred embodiment, described ferromagnetic material is Magnet, repels each other in the magnetic field that described Magnet produces after being energized with described electric magnet.According to Magnet homopolar-repulsion principle, described first connecting rod shifts up under electric magnet magneticaction, and then drives the gravity drop hammer of first connecting rod the second end to shift up and separate with exhaustor port.
As another preferred embodiment, described first connecting rod is provided with fulcrum, first connecting rod and fulcrum composition lever linkage, and the magnetic field that described ferromagnetic material produces after being energized with described electric magnet is attracting.The present embodiment passes through the attracting principle of heteropole, makes the first end of first connecting rod to bottom offset under electric magnet magneticaction, has driven the second end to shift up, and then lifted by gravity drop hammer so that it is separated with exhaustor port.
Preferably, described pot cover is provided with the lead of longitudinal extension near gravity drop hammer position, being provided with push rod in lead, be in transmission connection by push rod between the second end and the gravity drop hammer of described first connecting rod, the two ends of push rod push up the second end as first connecting rod and gravity drop hammer respectively.Effect by lead and push rod, make push rod directly act on the top of gravity drop hammer, rather than act on the bottom of gravity drop hammer, it is possible to simplify the mounting design of gravity drop hammer, simplify the structure of gravity drop hammer mounting groove, it is also possible to be better protected from steam and enter the installing space between pot cover cover and lid.
In order to strengthen the linkage effect between first connecting rod and gravity drop hammer further, being provided with the resetting means making push rod reset in described lead, described resetting means can be back-moving spring or reseting shrapnel etc..
In order to simplify the installation of resetting means, described push rod is provided with stopper protrusion near bottom position, and described lead upper end inwall is provided with boss, and described resetting means pushes up respectively as push rod boss and stopper protrusion.
Preferably, the top of described gravity drop hammer is provided with the handle projected radially outwardly, and top, described push rod upper end is as the handle place of gravity drop hammer.
Lead of the present invention be connected with push rod cover plate, push rod cover plate is provided with push rod through hole, and the bottom of described push rod is in transmission connection through the second end of push rod through hole with first connecting rod.Decrease the push rod pressure to first connecting rod to a certain extent by arranging push rod cover plate, further define the displacement amplitude of first connecting rod, shorten the distance between electric magnet and ferromagnetic material, enhance the iron acting sensitivity of electromagnetism.It addition, push rod cover plate defines push rod skew in a lateral direction, further avoid the appearance of the phenomenon that gets stuck.
For the distance furthered further between ferromagnetic material and electric magnet, described pot cover also includes second connecting rod, and one end of described second connecting rod is connected with the first end of first connecting rod, and the other end of second connecting rod is located at by described ferromagnetic material.
Preferably, being in transmission connection between the second end and the gravity drop hammer of described first connecting rod include conflicting is connected, clamping, hinged or rotating shaft connection.
Preferably, described electric magnet is fixed on the pot sidewall below medium ring.By medium ring, electric magnet is separated with the rod gear sealing on pot cover, existing mechanical contact is connected and changes magnetic connection into, stop moisture to enter electric magnet.
In order to prevent moisture from entering electric magnet further, described medium ring is connected with fixing groove, and fixing channel opening place is provided with cover plate, and described electric magnet is placed in described fixing groove.
In a word, the present invention changes the drive path of automatic exhaust device in prior art, simplify the structure of automatic exhaust device, avoid getting stuck of causing in power train process to greatest extent, improve the security performance of product, additionally, the present invention changes traditional mechanical contact connected mode, adopts the method that magnetic connects, and is individually positioned in the environment of two relative closures by electric magnet and ferromagnetic material, stop moisture to enter electric magnet or pot, reduce further potential safety hazard.
Accompanying drawing explanation
Fig. 1 is electric pressure cooking saucepan overall structure schematic diagram of the present invention；
Fig. 2 is electric pressure cooking saucepan sectional view of the present invention；
Fig. 3 is electric pressure cooker automatic exhausting equipment schematic diagram of the present invention；
Fig. 4 is electric pressure cooker automatic exhausting equipment lateral plan of the present invention；
Fig. 5 is pan structure schematic diagram of the present invention；
Fig. 6 is the embodiment of the present invention 5 structural representation.
Detailed description of the invention
Accompanying drawing being merely cited for property explanation, it is impossible to be interpreted as the restriction to this patent；In order to the present embodiment is better described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art, in accompanying drawing, some known features and explanation thereof are likely to omission and will be understood by.Being merely cited for property of position relationship explanation described in accompanying drawing, it is impossible to be interpreted as the restriction to this patent.
Embodiment 1
nullSuch as Fig. 1、Fig. 2、Shown in Fig. 3，Electric pressure cooking saucepan of the present invention includes pot 100、Pot cover and control circuit (not shown)，Pot cover includes lid 200 and the cover 6 being located on lid 200，This cover 6 is generally adopted plastic and is made and is attached on lid 200，Lid 200 sidewall is extended in the middle part of lid 200，Described cover 6 inner hollow，Encircle a city the installing space of a relative closure with lid 200，Cover 6 is provided with pot-cover handle and is provided with exhaustor 13，Exhaustor 13 is arranged with gravity drop hammer 11，Specifically，Exhaustor 13 is formed around gravity drop hammer mounting groove，This gravity drop hammer 11 is embedded in gravity drop hammer mounting groove and can move up and down along gravity drop hammer mounting groove，When electric pressure cooking saucepan does not need aerofluxus，Described gravity drop hammer 11 seals with exhaustor 13 port and contacts，Prevent electric pressure cooking saucepan internal gas from revealing，Play pressure maintaining effect；When needs pressure release, can being lifted by gravity drop hammer 11 and make it separate with exhaustor 13 port, the gas in pot 100 is discharged along exhaustor 13.
Such as Fig. 2, shown in Fig. 3, the present embodiment is in order to realize the automatic vent of electric pressure cooking saucepan, on pot cover, also it is provided with the lever linkage making gravity drop hammer 11 shift up, described lever linkage is arranged between pot cover cover 6 lid 200 in the installing space formed, described lever linkage includes first connecting rod 7 and fulcrum 8, first connecting rod 7 is movably connected on cover 6 by fulcrum 8, concrete, fulcrum 8 is provided with through hole, by a rotating shaft through being somebody's turn to do by and rotating shaft being fixed on cover 6, and then complete the fixed installation to first connecting rod 7, certainly, the mode of the fixing first connecting rod 7 of the present invention is not limited to this.
Described first connecting rod 7 crosses in cover 6, it comprises two ends, one end away from gravity drop hammer 11 is the first end 71, it is the second end 72 near one end of gravity drop hammer 11, first end 71 of first connecting rod 7 is connected to second connecting rod 5, second connecting rod 5 is located at cover 6 sidewall locations, extend vertically downwards, its top is connected with the first end 71 of first connecting rod 7, its connected mode can adopt draw-in groove clamping, hinged, the similar fashion such as axle connects in succession connect, possibly even by one-body molded to second connecting rod 5 and first connecting rod 7, namely so-called draw-in groove clamping offers draw-in groove at the first end 71 of first connecting rod 7, the connection axle that can snap in this draw-in groove is set on the top of second connecting rod 5.The bottom of described second connecting rod 5 is provided with ferromagnetic material 4, and described ferromagnetic material 4 can be permanent magnet and metal magnetic material, such as ferrum, cobalt, nickel etc..In order to facilitate second connecting rod 5 to move up and down, the present embodiment is additionally provided with a guide runner in cover 6, described second connecting rod 5 is placed in this guide runner and can move up and down along guide runner, when second connecting rod 5 and first connecting rod 7 are one-body molded, the downward motion track of second connecting rod 5 is then a curve with radian.
As shown in Figure 4, Figure 5, described electric pressure cooking saucepan pot 100 sidewall upper projects radially outwardly formation medium ring 3, and described medium ring 3 communicates with the receipts hydrosphere being distributed in pot 100 periphery.When pot cover and pot 100 are in fastening locking state, described cover 6 sidewall is just positioned at described medium ring 3, and described medium ring 3 is connected with fixing groove 21, and fixing groove 21 is relative with ferromagnetic material 4 position above medium ring 3, described fixing groove 21 is square, bottom has fixing channel opening, and fixing channel opening place is provided with cover plate 1, is provided with electric magnet 2 in fixing groove 21, electric magnet 2 is made up of iron core and coil, produce magnetic field when electric magnet 2 is in "on" position, when being in off-position, magnetic field disappears.Electric magnet 4 is placed in fixing groove 21 and electrically connects with control circuit, with cover plate 1, fixing groove 21 opening is sealed the space making fixing groove 21 become a relative closure, owing to electric magnet 2 is arranged on below medium ring 3, and medium ring 3 is tightly connected, the moisture emerged from electric pressure cooking saucepan or the condensed moisture of steam can only converge in receipts hydrosphere and medium ring 3 groove of electric pressure cooking saucepan periphery, and cannot be introduced into electric magnet 2, the environment of an opposing seal is provided to electric magnet 2
The present embodiment gravity drop hammer 11 top projects radially outwardly formation gravity drop hammer handle 17, described pot cover cover 6 is additionally provided with the lead 14 being longitudinally oriented near gravity drop hammer 11 position, lead 14 is the cylindric of hollow, arranging of lead 14 can be one-body molded with cover 6, can also be relatively independent, individually lead 14 is processed, be then fitted on electric pressure cooker cover.The upper port of lead 14 is placed in below gravity drop hammer handle 17, upper port bore more than or equal to push rod 10 diameter so that the upper end of push rod 10 can pass from lead 14 upper port, lead 14 lower port place is provided with push rod cover plate 12, push rod cover plate 12 is provided with push rod through hole 15, can pass for push rod 10 lower end, push rod 10 is provided with stopper protrusion 16 near lower end position, the diameter of stopper protrusion 16 is more than push rod through hole 15, existence due to stopper protrusion 16, described push rod 10 only stopper protrusion 16 can be stretched out from push rod through hole 15 with lower portion and be in transmission connection with the second end 72 of first connecting rod 7, what is called is in transmission connection when referring to a parts motion or change, adjacent component and then motion or change can be driven.Being in transmission connection can be a kind of abutting, and namely conflicting to connect or contact connects, and especially in the present embodiment, after the second end 72 of first connecting rod 7 shifts up or is lifted, the push rod 10 contacted also shifts up therewith or is lifted.Certainly, so-called be in transmission connection also include draw-in groove clamping, hinged or adopt the mode such as rotating shaft connection, it will be apparent to those skilled in the art that all functions that can both realize the present embodiment that can play linkage effect.Described lead 14 upper end inwall is provided with boss 18, and sheathed by back-moving spring 9 on push rod 10, back-moving spring 9 pushes up respectively as push rod boss 18 and stopper protrusion 16.
Under electric pressure cooking saucepan packing state, described push rod 10 makes push rod stopper protrusion 16 be resisted against on push rod panel 12 under the effect of back-moving spring 9, the bottom of push rod 10 is stretched out from the push rod through hole 15 push rod panel 12 and is resisted against the second end 72 of first connecting rod 7, the top of push rod 10 is just positioned at below gravity drop hammer handle 17, and gravity drop hammer 11 seals with exhaustor 13 under the effect of self gravitation and contacts.When needs aerofluxus, described electric magnet 2 connects power supply under the control of control circuit and produces magnetic, attract the ferromagnetic material 4 of second connecting rod 5 lower end, there is downward displacement in the first end 71 being driven first connecting rod by second connecting rod 5, second end 72 of first connecting rod drives the push rod 10 in lead 14 to shift up under leverage, push rod 10 top is stretched out from lead 14 and makes gravity drop hammer 11 separate with exhaustor 13 gravity drop hammer 11 jack-up, release sealing therebetween, make the gas in pot 100 be discharged by exhaustor 13.When pot 100 air pressure reaches to a certain degree, electric magnet 2 disconnects the connection with power supply under the control of control circuit, its magnetic field disappears therewith, and described push rod 10 is to bottom offset and return to original state under the effect of back-moving spring 9, and gravity drop hammer 11 again seals with exhaustor 13 and contacts.
Embodiment 2
The present embodiment has carried out local improvement on the basis of embodiment 1, the present embodiment eliminates the back-moving spring 9 in embodiment 1, resetted under the pressure of himself gravity and gravity drop hammer 11 by push rod 10, simultaneously, so that push rod 10 can reach technique effect as before when back-moving spring 9 lacks, the present embodiment can also have a mind to the quality increasing the weight of push rod 10, such as, select metal material to make push rod 10, or be embedded metal material etc. in push rod 10.
Embodiment 3
Its structure has been simplified by the present embodiment on the basis of embodiment 1, the present embodiment eliminates the lead 14 in embodiment 1 and push rod 10 and back-moving spring 9 device, directly being conflicted with the bottom of gravity drop hammer 11 by the second end 72 of described first connecting rod and be connected, concrete structure is:
The sidewall of gravity drop hammer mounting groove is longitudinally offered a groove, second end this groove of traverse of described first connecting rod, stretch into the bottom of gravity drop hammer 11, can directly drive gravity drop hammer 11 to move up to be exhausted when the second end of first connecting rod shifts up, when not needing aerofluxus, reset under the gravity of gravity drop hammer 11.
Embodiment 4
Its structure has been simplified further by the present embodiment on the basis of embodiment 1, the present embodiment eliminates the second connecting rod 5 in embodiment 1, directly ferromagnetic material 4 is fixed on 71, first end of first connecting rod 7, or adopt magnetisable material to be made the first end of first connecting rod, this structure is because eliminating second connecting rod 5, while simplifying structure, also shorten power transmission route, reduce the probability of occurrence of the phenomenon that gets stuck in power transmitting procedure.
Embodiment 5
Automatic exhausting equipment has been improved by the present embodiment on the basis of embodiment 1, the present embodiment eliminates the fulcrum 8 described in embodiment 1, as shown in Figure 6, first end 71 of first connecting rod 7 is fixing with the top of second connecting rod 5 to be connected or one-body molded, second end 72 of first connecting rod 7 is in transmission connection with push rod 10, the bottom of second connecting rod 5 is provided with Magnet, described second connecting rod 5 is located at the guide runner in cover 6 Nei and can move up and down along guide runner, magnetic field is produced after electric magnet 2 energising, after power-off, magnetic field disappears.After the installation of described Magnet is energized by electric magnet 2, polarity of the magnetic field determines, it should be guaranteed that, when electric magnet 2 is energized, the magnetic field of its generation reaches the effect of homopolar-repulsion with the Magnet on second connecting rod 5, second connecting rod 5 is made along guide runner, displacement upwards to occur under the magnetic repellence of electric magnet 2, drive first connecting rod 7 to shift up simultaneously, and then make gravity drop hammer 11 separate with exhaustor 13 by push rod 10.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within the protection domain of the claims in the present invention.
Claims (10)
1. a self-bleeding electric pressure cooking saucepan, including pot, pot cover and control circuit, described pot cover is provided with exhaustor and is placed on exhaustor and seals, with exhaustor, the gravity drop hammer contacted, it is characterized in that, described pot cover is additionally provided with first connecting rod, first end of first connecting rod is provided with ferromagnetic material, in pot, the position of corresponding described ferromagnetic material is provided with ferromagnetic material is produced magneto motive electric magnet, described electric magnet electrically connects with described control circuit, second end of described first connecting rod and gravity drop hammer are in transmission connection, described gravity drop hammer can be directly or indirectly driven to be subjected to displacement and separate with exhaustor port when second end of described first connecting rod shifts up.
2. electric pressure cooking saucepan according to claim 1, it is characterised in that described ferromagnetic material is Magnet, repels each other in the magnetic field that described Magnet produces after being energized with described electric magnet.
3. electric pressure cooking saucepan according to claim 1, it is characterised in that described first connecting rod is provided with fulcrum, first connecting rod and fulcrum composition lever linkage, and the magnetic field that described ferromagnetic material produces after being energized with described electric magnet is attracting.
4. according to the arbitrary described electric pressure cooking saucepan of claims 1 to 3, it is characterized in that, described pot cover is provided with the lead of longitudinal extension near gravity drop hammer position, push rod it is provided with in lead, being in transmission connection by push rod between second end and the gravity drop hammer of described first connecting rod, the two ends of push rod push up the second end as first connecting rod and gravity drop hammer respectively.
5. electric pressure cooking saucepan according to claim 4, it is characterised in that be provided with the resetting means making push rod reset in described lead.
6. electric pressure cooking saucepan according to claim 4, it is characterised in that described lead be connected with push rod cover plate, push rod cover plate is provided with push rod through hole, and the bottom of described push rod is in transmission connection through the second end of push rod through hole with first connecting rod.
7. electric pressure cooking saucepan according to claim 4, it is characterised in that described pot cover is additionally provided with second connecting rod, and one end of described second connecting rod is connected with the first end of first connecting rod, and the other end of second connecting rod is located at by described ferromagnetic material.
8. electric pressure cooking saucepan according to claim 4, it is characterised in that being in transmission connection between the second end and the gravity drop hammer of described first connecting rod include conflicting is connected, clamping, hinged or rotating shaft connection.
9. electric pressure cooking saucepan according to claim 4, it is characterised in that described pot is additionally provided with medium ring, described electric magnet is fixed on the pot sidewall below medium ring.
10. electric pressure cooking saucepan according to claim 9, it is characterised in that described medium ring is connected with fixing groove, and fixing channel opening place is provided with cover plate, and described electric magnet is placed in described fixing groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410819080.3A CN105768859A (en) | 2014-12-25 | 2014-12-25 | Electric pressure cooker capable of automatically exhausting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819080.3A CN105768859A (en) | 2014-12-25 | 2014-12-25 | Electric pressure cooker capable of automatically exhausting |
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| CN105768859A true CN105768859A (en) | 2016-07-20 |
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| CN201410819080.3A Pending CN105768859A (en) | 2014-12-25 | 2014-12-25 | Electric pressure cooker capable of automatically exhausting |
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