CN1868386A - Electric pressure cooker - Google Patents
Electric pressure cooker Download PDFInfo
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- CN1868386A CN1868386A CN 200610036095 CN200610036095A CN1868386A CN 1868386 A CN1868386 A CN 1868386A CN 200610036095 CN200610036095 CN 200610036095 CN 200610036095 A CN200610036095 A CN 200610036095A CN 1868386 A CN1868386 A CN 1868386A
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Abstract
An electric pressure cooker is composed of a cooker body with control circuit and sensor on its top edge, and a cover with an elastic sealing sleeve and a pressure driver consisting of lining sleeve embedded in said elastic sealing sleeve, an axially moving piston and a rotary part driven by said piston and with fixed long arm and inductor.
Description
Technical field
The present invention relates to a kind of electric pressure cooking saucepan, relate in particular to a kind of electric pressure cooking saucepan of automatic pressure control.
Background technology
Electric pressure cooking saucepan is operated in high pressure conditions as a kind of electric-heating cooking utensil, and safe in utilization in order to ensure electric pressure cooking saucepan must be controlled the pressure in the electric pressure cooking saucepan pot, makes the pressure in the electric pressure cooking saucepan pot surpass certain dangerous values.
The pot inner pressure control mode of traditional electrical pressure pot, be called " full seal automatic multifunctional electric cooker " as name, the patent No. is the Chinese invention patent of CN91100026.7, main " mouth " font rigid structure that adopts, when pot inner pressure surpasses setting value, interior pot dilatancy under high pressure conditions of electric pressure cooking saucepan, be forced to move down, the bullet shape part distortion of pot bottom in this deformation quantity can drive, the elastic component of distortion is the driving pressure control device again, as microswitch, temperature-control pressure-control element equal pressure control device forces this pressure control device action, cut off main power source, finish pressure controlled function.The weak point of this technology mainly is: interior pot and in the elastic component of pot bottom be subjected to compression swelling and frequent deformation, move up and down, the elastic component of pot and bottom distortion in causing easily, service life is short.
Another kind of pressure controling mode of the prior art is: by pressure controller spare is set on pot cover, reach pressure controlled function.As the patent No. is CN20040200406869.4, name is called the Chinese patent of " a kind of auto-electronic pressure cooker ", as shown in Figure 1, remove some general purpose modules of electric pressure cooking saucepan, as interior pot, middle pot, shell, electric heat-generating disc etc., the main feature of this technology is provided with sealing pressure valve 12, moving seesaw-type leverage 13 and sensing device 14 exactly on pot cover, with the corresponding pot of sensing device body position on tongue tube 140 is set.When inner pot pressure changed, sealing pressure valve 12 promoted moving seesaw-type leverage 13 and drives sensing device 14 to move up and down, and tongue tube 140 is switched on or switched off, and controls the work of electric heat-generating discs by tongue tube 140 again, thereby reaches pressure controlled purpose.
The weak point of this control mode is: the mechanical amplification coefficient of moving seesaw-type leverage is stable inadequately, the displacement variable that causes sealing pressure valve 12, the parameter that promptly reflects pot inner pressure can not be stabilized and accurately be delivered to sensing device 14, thereby cause departure big.
Summary of the invention
At the deficiencies in the prior art, the present invention is special to be proposed a kind ofly can carry out multistage pressure control, safe and reliable, electric pressure cooking saucepan that control accuracy is high.
In order to reach above-mentioned technical purpose, the present invention has taked following technical proposals:
A kind of electric pressure cooking saucepan comprises pot body 1 and pot cover 2; In the described pot body 1 control circuit 3 is set, Pressure Actuated Device 4 and elastic seal cartridge 5 are set on the described pot cover 2; Described elastic seal cartridge 5 fixing seals are on the hole wall in the hole 21 of pot cover 2;
Described Pressure Actuated Device 4 mainly comprises lining 41, piston 42 and revolving part 43; Described lining 41 embeds in the elastic seal cartridge 5; Insert piston 42 in axial sliding in the described lining 41; Described revolving part 43 with can drive its piston that radially rotates 42 and be in transmission connection; The top of revolving part 43 is connected and rotates long-armed 6a; Rotate long-armed 6a end and be fixed with sensing device 61; Described pot body 1 top edge and sensing device 61 correspondence positions are provided with sensor 7, and sensor 7 and control circuit 3 are electrically connected; Described revolving part 43 is connected with pot cover 2 rotationally by stator 8.
Above-mentioned pot body 1 is one of primary clustering of electric pressure cooking saucepan, and it generally includes universal components such as shell, middle pot, interior pot, electric heat-generating disc, temperature regulating device and control circuit 3; On pot body 1, fasten pot cover 2, pass to power supply, electric pressure cooking saucepan just can be under the control of control circuit 3 operate as normal.
Above-mentioned pot cover 2 also is the general purpose module of electric pressure cooking saucepan, and the handle 23 that its top is provided with loading and unloading pot cover 2 uses for people's regular job.Handle 23 is a hollow structure, and one can save material, also can be in this hollow reservoir placement force transmission device 4 control assemblies such as grade.
The inside edge of pot cover 2 is provided with elastic seal ring, covers after on the pot body 1 to guarantee pot cover 2, possesses good air-tightness between interior pot of the pot cover 2 that makes electric pressure cooking saucepan and pot body 1.Secondly, also be provided with armstrong's patent formula gas bleeder valve on the pot cover 2, be used for before abnormal condition and electric pressure cooking saucepan end-of-job are opened pot cover 2, internally pot gives hand-operated forced pressure release.Because this armstrong's patent formula gas bleeder valve is present modal safety component, and its structure is not described in detail in this.
Described control circuit 3 is generally between the middle pot and shell of pot body 1, it receives the signal of telecommunication from sensor 7, this signal of telecommunication is the parameter of reflecting voltage power pot pot inner pressure, and this signal of telecommunication process amplification, comparison, again to other key elements of electric pressure cooking saucepan, control as time of the break-make of heating or heating power, timer etc., thus the duty of control electric pressure cooking saucepan.
Described elastic seal cartridge 5, sealing and fixing is on pot cover 2.Hole 21 is set on pot cover 2, elastic seal cartridge 5 is installed in hole 21.Above-mentioned sealing shroud 5 is a kind of soft elastic caoutchouc class A of geometric unitA, can be drum shape, and the side is barrel-shaped etc., and the inner space of pot cover 2 is sealed and stretched in the bottom, and upper opening can hold following transmission device 4; The method of elastic seal cartridge 5 sealing and fixing on pot cover 2 has a lot, and for example opening part is provided with lip limit 5a at an upper portion thereof, and on the hole wall at lip embedded hole 21 places of lip limit 5a, thereby realize sealing; Also can take methods such as bonding, that the gland gland is fixing.
Described Pressure Actuated Device 4 is arranged on the pot cover 2, in the handle 23 bottom cavity volumes that are preferably disposed on, thereby can protect transmission device 4.Described Pressure Actuated Device 4 comprises lining 41, piston 42 and displacement trasducer 43.The structure of described Pressure Actuated Device 4 is as follows:
(1) described lining 41 embeds in the elastic seal cartridge 5.
Described lining 41 is the big or small adaptive cylindrical body of the shape with elastic seal cartridge 5, last lower open mouth, the body 41b of lining 41 is embedded and is fixed in the elastic seal cartridge 5, thereby the squeezing action by 41 pairs of elastic seal cartridges 5 of lining makes the lip limit 5a of elastic seal cartridge 5 and the wall surface of the hole contact site formation positiver sealing in the hole 21 of pot cover 2.The length of body 41b is less than the degree of depth of elastic seal cartridge 5, thus the certain telescopic displacement distance of bottom reservation that can give elastic seal cartridge 5;
Secondly, on the top of lining 41, lip limit 41a can be set, can pass through lip limit 41a, be pressed on the lip limit 5a of elastic seal cartridge 5, like this, promptly can strengthen the sealing effectiveness of sealing shroud 5, can avoid in use again, lining 41 crashes into sealing shroud 5 bottoms fully because of the external force effect.
(2) described piston 42 places in the lining 41, and can endwisely slip in lining 41, but can radially not rotate.
Realize that piston 42 endwisely slips in lining 41, but the concrete grammar that can radially not rotate has a lot; For example, if lining 41 and piston 42 itself are exactly non-circular shape such as square, ellipse, cooperate between the two the possibility that the back just can not take place radially to rotate itself is installed.
Secondly, can also be, on the madial wall axial direction of lining 41, perhaps, perhaps on the other pressure ring that is provided with in lining 41 tops, convex tendon is set on lining 41 tops, in piston 42 outside wall surface in axial direction, correspondence is provided with groove, and the quantity of this groove and shape size are all adaptive with the convex tendon that is arranged on lining 41 inwalls; The external diameter of piston 42 is slightly less than the internal diameter of lining 41, so, piston 42 is overlapped the lining 41 of packing into, the convex tendon of lining 41 can successfully be inserted on piston 42 sidewalls in the symmetrically arranged groove, and piston 42 can be endwisely slipped in lining 41 flexibly, but can not take place radially to rotate.The quantity of convex tendon pairing and groove, preferably two pairs or more and is symmetrical arranged, thereby can be stressed evenly.
In addition, the convex tendon that we are provided with on also can the madial wall with lining 41, change is set to groove, correspondingly, the adaptive with it use of corresponding convex tendon just is set on piston 42, all is the application scheme that is equal to, but change scheme like this, though can realize purpose of the present invention, may make the sealing property variation of wall surface of the hole contact site in the hole 21 of the lip limit 5a of sealing shroud 5 and pot cover 2.
(3) described revolving part (43) is in transmission connection with piston (42), and radially rotates under the driving of piston (42); Between described piston 42 and the revolving part 43 steering mechanism is set, steering mechanism can change revolving part 43 for rotatablely moving with the rectilinear motion of piston 42; Described steering mechanism can be:
(A), a cylindrical hole 42b is set in the central upper portion of above-mentioned piston 42; On this cylindrical hole 42b inwall, more than one boss 42c is set; Described revolving part 43 is arranged in the piston 42.
Described revolving part 43 is the adaptive cylinders of cylindrical hole 42b that are provided with piston 42 central upper portion, on revolving part 43 outside wall surface oblique groove 43b is set, the quantity of oblique groove 43b, the degree of depth and width and the adaptive installation of boss 42c.The starting point of oblique groove 43b is arranged on the bottom of revolving part 43, the expanded view of oblique groove 43b is for being the oblique line of starting point with revolving part 43 bottoms, or the combination of oblique line and straight line, the angle in oblique line and sideline, bottom factor such as the stroke of revolving part 43 rotation and stressed dynamics is as required determined to be provided with, be preferably in 45 spend about.The external diameter of revolving part 43 is slightly less than the internal diameter of the cylindrical hole 42b of piston 42.Like this, when packing into revolving part 43 in the cylindrical hole 42b of piston 42, boss 42c in the cylindrical hole 42b, can successfully insert on revolving part 43 outside wall surface and be provided with in the oblique groove 43b, thereby make boss 42c when oblique groove 43b walks about, drive revolving part 43 rotations, realize that rectilinear motion changes into to rotatablely move.Boss 42c not only can be the small cylinder of a protrusion, also can be the spiral convex tendon bar of one section protrusion.The mode that boss 42c and oblique groove 43b cooperatively interact is similar to the mode of screw thread transmission, only is that our daily being seen regular screw threads of pitch ratio are a lot of greatly.
(B) above-mentioned realization rectilinear motion changes the steering mechanism that rotatablely moves into, can also be, in revolving part 43 outside wall surface boss 43b is set, and oblique groove 42c is set in the blind cylindrical hole 42b of piston 42, and pairing is used, can realize also that rectilinear motion changes into rotatablely moves, and all is the application scheme that is equal to.
(C) above-mentioned realization rectilinear motion changes the steering mechanism that rotatablely moves into, can also be the external diameter basically identical of the external diameter of revolving part 43 and piston 42; In piston 42 top, more than one protrusion post 42d is set; Circumferencial direction in the lower edge of revolving part 43, be provided with and the corresponding inclined-plane 43d of quantity that protrudes post 42d, thereby, when about the protrusions post 42d of piston 42 during rectilinear motion, protrude post 42d and promote the inclined-plane 43d slip of revolving part 43 bottoms, thereby realize driving revolving part 43 rotations.This kind of drive is similar to meshing transmission.
(D) above-mentioned realization rectilinear motion changes the steering mechanism that rotatablely moves into, can also be the external diameter basically identical of the external diameter of revolving part 43 and piston 42; At piston 42 top circumferencial directions, the inclined-plane is set; In the lower edge of revolving part 43, the protrusion post is set, thereby when the indentation inclined-plane of piston 42 up and down during rectilinear motion, the protrusions post that promotes revolving part 43 slides, and rotates thereby realize driving revolving part 43.
The scheme that realizes steering mechanism is multiple.The structure of the steering mechanism of above-mentioned explanation only is the mode of the explanation realization of enumerative, and does not mean that steering mechanism of the present invention only only limits to these structures.
Described revolving part 43 lower central can also be provided with cylindrical hole 43a; In revolving part 43 cylindrical hole 43a, spring 40 is set.The length of spring 40 is greater than the degree of depth of revolving part 43 cylindrical hole 43a.
So, when assembling, earlier spring 40 is inserted among the revolving part 43 cylindrical hole 43a, again revolving part 43 is sleeved on the piston 42; Because the tension force effect of spring 40, can make between the bottom of revolving part 43 and the piston 42 to have certain distance.Secondly, described stator 8 is plate pads, centre bore or central recess are arranged, roof and stator 8 by handle 23, the top 43c of revolving part 43 is fixed in the handle 23 rotationally, revolving part 43 can not moved axially, but can rotate, that is: revolving part (43) is connected with pot cover (2) rotationally by stator (8).If the top 43c of revolving part 43 directly is connected with the roof of handle 23, stator 8 just can omit and need not be provided with.
When external compression strength moves piston 42, not only drive revolving part 43 rotations, nor compress spring 40 disconnectedly; When losing extruding force, the tension force effect of spring 40 sets back piston 42 and revolving part 43 mutually.
Above-mentioned revolving part 43 lower central also can be provided with cylindrical hole 43a, and so, spring 40 just directly places between the cylindrical hole 42b and revolving part 43 of piston 42, all is one of application scheme that is equal to.
Secondly, when making revolving part 43 rotations, spring 40 can not constitute bigger resistance to rotatablely moving, and can ball be set in spring 40 one or both ends, and be coated with lubricating grease on ball.
Described stator 8 can also be " door " shape or " Contraband " shape frame, the bottom of " door " shape or " Contraband " shape frame is fixed on the pot cover 2, centre bore or central recess are arranged on the stator 8, the top 43c of revolving part 43 penetrates the centre bore or the central recess of stator 8 and can rotate, but can not axially-movable, thereby revolving part 43 is stabilized on the pot cover 2, in the handle 23, make whole Pressure Actuated Device 4 give independent stationary, make things convenient for Pressure Actuated Device 4 independent assemblings by the roof of handle 23.
At the top of described revolving part 43 43c, turning arm 6 is connected; Turning arm 6 comprises long-armed 6a of rotation and rotation galianconism 6b.Described turning arm 6 extends along side direction pot cover 2 edges in handle 23 roofs, forms the long-armed 6a of rotation, at the rear portion rightabout of the long-armed 6a of rotation, rotation galianconism 6b is set.Rotate long-armed 6a end, sensing device 61 is connected.
Secondly, the position that pot body 1 top edge and sensing device 61 are corresponding preferably in pot cover 2 handles 23 He Gai positions, is provided with sensor 7, and sensor 7 is electrically connected with control circuit 3.
For the electric pressure cooking saucepan inner pot pressure being implemented the control of multiple pressure force, can in the distance of turning arm 6 hunting ranges, a plurality of sensors 7 be set.A plurality of sensors 7 all are electrically connected with control circuit 3.Sensor 7 can receive the signal from sensing device 61, then induced signal is converted to the signal of telecommunication, and is sent to control circuit 3 and handles accordingly.
Above-mentioned sensing device 61 is that sensor 7 is implemented effect of signals, thereby makes sensor 7 produce the device of control signal.Whether sensing device 61 is not the parts that must be provided with, be provided with, and key is the characteristic that depends on sensor 7.If for example sensor 7 is magnetoelectric induction devices, sensing device 61 is exactly a magnet iron piece; The sensing mode difference is with the set-up mode of the adaptive sensing device 61 of sensor 7 and that content is set is just different.
Above-mentioned sensor 7 is picking up signal electrical parts, can be for tongue tube, Hall element, near devices such as switches.
Also be provided with porosely 22 on the described pot cover 2, safe pressure relief device is installed in the hole 22.Described pressure relief device comprises ventilation spool 91, valve gap 92; Ventilation spool 91 is communicated with interior pot, and valve gap 92 covers the passage of ventilation spool 91.Rotation galianconism 6b and valve gap 92 flexibly connect and can drive valve gap 92 rotation or rising activities.When control circuit 3 out of control, inner pot pressure is in limit high pressure, and piston 42 drives revolving part 43 and turning arm 6b rotates to the greatest limit position, and rotation galianconism 6b drives valve gap 92 at this extreme position, thereby and pass through valve gap 92 and open ventilation spools 91, the pressure of the interior pot of pressure release automatically.
Above-mentioned rotation galianconism 6b and valve gap 92 movable connection methods promptly can be the flexible connections of connection type, can be the flexible connections of non-connection type.
Control procedure of the present invention is such: pot cover 2 is covered after on the pot body 1, because the sealing function of pot cover 2 inner seal circles and elastic seal cartridge 5, make the pot cover 2 of electric pressure cooking saucepan seal interior pot of pot body 1 fully.When the interior pot of internal gas pressure rising of being heated, the bottom of elastic seal cartridge 5 is squeezed, and deformation takes place, and air pressure promotes piston 42 and upwards do rectilinear motion in lining 41; When piston 42 is done rectilinear motion,, promote revolving part 43 rotations again, nor compress spring 40 disconnectedly by the rotating mechanism that is provided with between piston 42 and the revolving part 43.During revolving part 43 rotations, drive turning arm 6 and terminal sensing device 61 rotations thereof again, swing in other words; When sensing device 61 rotations, the sensor in different positions 7 that is arranged on its underpart detects the magnetic signal of sensing device 61, and this magnetic signal is converted into the signal of telecommunication, sends control circuit 3 to; Control circuit 3 is realized the control to the electric pressure cooking saucepan pot inner pressure according to the unlike signal characteristics of accepting.If above-mentioned control circuit 3 control is malfunctioning, when inner pot pressure is in the limit high pressure of setting, rotation galianconism 6b drives valve gap 92 and opens ventilation spools 91, the pressure of pot in automatically forcing to discharge.
In sum, characteristics of the present invention are: (1) is safe and reliable.Utilize the Pressure Actuated Device 4 that is provided with on the pressure cooker lid to carry out the pressure transmission, avoided in traditional pressure cooker course of work, need transmit, detect by means of the deformation displacement amount of parts such as interior pot, avoided the issuable security incident of deformation displacement of parts such as interior pot, also avoid interior pot frequent deformation and caused the quick aging of interior pot to damage, prolonged the life-span of interior pot and middle pot greatly; (2) automatic safe protective.The present invention also is provided with automatic decompression device, and when other pressure control device lost efficacy, venting pot internal gas pressure reached the safeguard protection purpose automatically.(3) multistage pressure is controlled automatically.The present invention is provided with a plurality of sensors 7 on pot body 1, they correspond respectively to the diverse location of sensing device 61, and the position of sensing device 61, have finally reflected the size of pot internal gas pressure, by control circuit 3, the present invention can control several pressure spots of different sizes; (4) control accuracy height.The present invention adopts Pressure Actuated Device 4 gaps little, frame for movement is reliable and transmit stable, the size of pot internal gas pressure can be reflected in the mechanical location variation of sensing device 61 exactly, pass through the conversion of sensor 7 again, finished the conversion links of air pressure-mechanical switch amplification-signal of telecommunication, in conjunction with control circuit 3, realization pot internal gas pressure control that can be reliable and stable.
The present invention is widely used in various electric pressure cooking saucepans owing to have These characteristics.
Description of drawings
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is Pressure Actuated Device bush structure figure of the present invention;
Fig. 4 is Pressure Actuated Device lining of the present invention and elastic seal ring assembling schematic diagram;
Fig. 5 is the Pressure Actuated Device piston structure figure of the embodiment of the invention 1;
Fig. 6 is the Pressure Actuated Device revolving part structure chart of the embodiment of the invention 1;
Fig. 7 is the Pressure Actuated Device piston and the revolving part assembling schematic diagram of the embodiment of the invention 1;
Fig. 8 is the Pressure Actuated Device piston structure figure of the embodiment of the invention 2;
Fig. 9 is the Pressure Actuated Device revolving part structure chart of the embodiment of the invention 2;
Figure 10 is sensing station figure of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, further the specific embodiment of the present invention.
Embodiment 1:
As shown in Figure 2, a kind of electric pressure cooking saucepan comprises pot body 1 and pot cover 2; In the described pot body 1 control circuit 3 is set, Pressure Actuated Device 4 and elastic seal cartridge 5 are set on the described pot cover 2; As shown in Figure 4, described elastic seal cartridge 5 ovalizes, its lip limit 5a are entrenched on the hole wall in hole 21 of pot cover 2.
Above-mentioned Pressure Actuated Device 4 comprises lining 41, piston 42, revolving part 43, is the vitals of present embodiment, below in conjunction with specific description book accompanying drawing, describes the structure of lining 41, piston 42 and revolving part 43 in the present embodiment in detail.
As shown in Figure 3 and Figure 4, lining 41 is the big or small adaptive oval bodies of the shape with elastic seal cartridge 5, last lower open mouth, the body 41b of lining 41 is embedded and is fixed in the elastic seal cartridge 5, thereby the squeezing action by 41 pairs of elastic seal cartridges 5 of lining, the lip limit 5a that makes elastic seal cartridge 5 forms more reliably with the wall surface of the hole contact site in the hole 21 of pot cover 2 and seals.The length of body 41b is less than the degree of depth of elastic seal cartridge 5, thus the certain telescopic displacement distance of bottom reservation that can give elastic seal cartridge 5; Secondly,, lip limit 41a is set also, between elastic seal cartridge 5 and lining 41, hold-down ring 44 is set, and is pressed on the pot cover 2 by the lip limit 5a of hold-down ring 44 with elastic seal cartridge 5 on the top of lining 41.In addition, on lining 41, hold-down ring 45 is set, and lining 41 is pressed on the hold-down ring 44 by hold-down ring 45.
On the top of lining 41, lip limit 41a is set can avoids in use, lining 41 crashes into sealing shroud 5 bottoms fully because of the external force effect.
As shown in Figure 5, the cross section of described piston 42 also is oval, because the oval in shape structure so piston 42 can not take place radially to rotate in lining 41, only can endwisely slip.The central upper portion of described piston 42 is provided with a cylindrical hole 42b; On this cylindrical hole 42b inwall, two spirality oblique groove 42c are set; The starting point of oblique groove 42c is arranged on the top of cylindrical hole 42b, and the expanded view of oblique groove 42c is for being the oblique line of starting point with cylindrical hole 42b top, and the angle in oblique line and sideline, bottom is about 45 degree.Described piston 42 is mechanisms that take over from the past and set a new course for the future, and it places in the lining 41, and lining 41 is in the sealing shroud 5, so piston 42 can be experienced the deformation from sealing shroud 5, i.e. and the pneumatic parameter of pot in the electric pressure cooking saucepan, piston 42 is done at lining 41 and is endwisely slipped.
As shown in Figure 6, described revolving part 43 is the adaptive cylinders of cylindrical hole 42b that are provided with piston 42 central upper portion, two convex tendon 43b is set, the degree of depth of convex tendon 43b and width and the adaptive installation of oblique groove 42c on revolving part 43 outside wall surface.The external diameter of revolving part 43 is slightly less than the internal diameter of the cylindrical hole 42b of piston 42.Like this, when packing into revolving part 43 in the cylindrical hole 42b of piston 42, oblique groove 42c in the cylindrical hole 42b, can successfully insert on revolving part 43 outside wall surface and be provided with in the convex tendon 43b, thereby make oblique groove 42c when convex tendon 43b walks about, drive revolving part 43 rotations, realize that rectilinear motion changes into to rotatablely move.Convex tendon 43b is the spiral rib of one section protrusion.
For the package assembly of Pressure Actuated Device 4 main components in the present embodiment better is described, under the situation of having omitted hold-down ring 44 and hold-down ring 45, as shown in Figure 7, described revolving part 43 lower central are provided with cylindrical hole 43a; In cylindrical hole 43a, spring 40 is set, the length of spring 40 is greater than the degree of depth of revolving part 43 cylindrical hole 43a.So, when assembling, earlier spring 40 is inserted among the revolving part 43 cylindrical hole 43a, again revolving part 43 is sleeved on the piston 42; Because the tension force effect of spring 40, can make between the bottom of revolving part 43 and the piston 42 to have certain distance.When external compression strength moves piston 42, not only drive revolving part 43 rotations, nor compress spring 40 disconnectedly; When losing extruding force, the tension force effect of spring 40 sets back piston 42 and revolving part 43 mutually.
As shown in Figure 6, the top of revolving part 43 is connected and rotates long-armed 6a and rotation galianconism 6b; Rotate long-armed 6a end and be fixed with sensing device 61, need to prove, the sensing device 61 in the present embodiment is a magnet.
For fixing above-mentioned Pressure Actuated Device 4, as shown in Figure 2, handle 23 has one section corresponding hollow structure; Revolving part 43 is connected with the handle 23 of pot cover 2 rotationally by stator 8; Described stator 8 bottoms can also increase an auxiliary stator 81.Stator 8 is laminated structures, and the center is provided with central recess, and the top 43c of revolving part 43 penetrates the central recess of stator 8 and can rotate, but can not axially-movable, thereby revolving part 43 is stabilized in the handle 23 of pot cover.
As shown in figure 10, at pot body 1 top edge and sensing device 61 correspondence positions, be provided with sensor 7, because the sensing device 61 in the present embodiment is a magnet, sensor 7 is a Hall magnetoelastic transducer spare, and sensor 7 and control circuit 3 are electrically connected.In order to realize the Multistage Control function, sensor 7 in the present embodiment is provided with 4, be followed successively by sensor 7a, sensor 7b, sensor 7c, sensor 7d, 4 sensors 7 all are electrically connected with control circuit 3, all can receive signal from sensing device 61, and can convert induced signal to the signal of telecommunication, and be sent to control circuit 3 and handle accordingly.Because in fact the signal of sensing device 61 has reflected the pressure parameter of electric pressure cooking saucepan, so in conjunction with control circuit 3, present embodiment can be realized multistage pressure control.
In the present embodiment, also be provided with safe pressure relief device, as shown in Figure 2, pressure relief device is installed in the hole 22 on the pot cover 2, and described pressure relief device comprises ventilation spool 91, valve gap 92; Passage in the ventilation spool 91 is communicated with interior pot, and valve gap 92 covers the passage of ventilation spool 91.Rotation galianconism 6b and valve gap 92 flexibly connect and can drive valve gap 92 and raise.When control circuit 3 out of control, inner pot pressure is in limit high pressure, and piston 42 drives revolving part 43 and turning arm 6b rotates to the greatest limit position, and rotation galianconism 6b drives valve gap 92 at this extreme position, thereby and pass through valve gap 92 and open ventilation spools 91, the pressure of the interior pot of pressure release automatically.Above-mentioned rotation galianconism 6b and valve gap 92 movable connection methods are flexible connections of non-connection type.
Embodiment 2: the main distinction of present embodiment and embodiment 1 is that the structure of Pressure Actuated Device 4 is different.Specifically, be to realize that rectilinear motion changes the difference of the steering mechanism that rotatablely moves into.As Fig. 8 and shown in Figure 9, the external diameter basically identical of the external diameter of revolving part 43 and piston 42; In piston 42 top, three protrusion post 42d are set; Circumferencial direction in the lower edge of revolving part 43, be provided with and three corresponding inclined-plane 43d, thereby, as the protrusion post 42d of piston 42 up and down during rectilinear motion, protrude post 42d and promote the inclined-plane 43d slip of revolving part 43 bottoms, thereby realize driving revolving part 43 rotations, this kind of drive is similar to meshing transmission.
Above-mentioned two embodiment are better embodiment of the present invention, and the present invention is not limited to this two kinds of embodiments, as long as the mapped structure device that has constructional device of the present invention or be equal to all should be considered as protection scope of the present invention.
Claims (10)
1. an electric pressure cooking saucepan comprises a pot body (1) and pot cover (2); In the described pot body (1) control circuit (3) is set, Pressure Actuated Device (4) and elastic seal cartridge (5) are set on the described pot cover (2); Described elastic seal cartridge (5) fixing seal is on the hole wall in the hole (21) of pot cover (2); It is characterized in that:
Described Pressure Actuated Device (4) comprises lining (41), piston (42) and revolving part (43);
Described lining (41) embeds in the elastic seal cartridge (5);
Insert piston (42) in axial sliding in the described lining (41);
Described revolving part (43) with can drive its piston that radially rotates (42) and be in transmission connection;
The top of described revolving part (43) is connected and rotates long-armed (6a), rotates long-armed (6a) end and is fixed with sensing device (61);
Described pot body (1) top edge and the corresponding position of sensing device (61) are provided with sensor (7), and sensor (7) and control circuit (3) are electrically connected;
Described revolving part (43) is connected with pot cover (2) rotationally by stator (8).
2. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that: described piston (42) central upper portion is provided with hole (42b), and boss (42c) is set in hole (42b); Described revolving part (43) outer wall is provided with oblique groove (43b), and revolving part (43) places in the hole (42b), and boss (42c) can be walked about in oblique groove (43b); Spring (40) places between revolving part (43) and the piston (42).
3. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that: described piston (42) top circumferencial direction is provided with and protrudes post (42d); Lower edge in revolving part (43) is provided with inclined-plane (43d); Spring (40) places between revolving part (43) and the piston (42).
4. according to claim 2 or 3 described a kind of electric pressure cooking saucepans, it is characterized in that: described revolving part (43) lower central is provided with hole (43a), and described spring (40) places in the hole (43a).
5. a kind of electric pressure cooking saucepan according to claim 4 is characterized in that: described lining (41) inwall axially is provided with convex tendon, and described piston (42) outer wall axially is provided with groove, inserts piston (42) in axial sliding in the described lining (41).
6. a kind of electric pressure cooking saucepan according to claim 5 is characterized in that: described elastic seal cartridge (5) top is provided with lip limit (5a), on the hole wall at lip embedded hole (21) place of lip limit (5a).
7. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that: porose (22) also are set on the described pot cover (2) and are installed in safe pressure relief device in the hole (22); Described pressure relief device comprises ventilation spool (91) and valve gap (92); The top of described revolving part (43) is connected and rotates galianconism (6b), and rotation galianconism (6b) flexibly connects with valve gap (92) and can start valve gap (92).
8. a kind of electric pressure cooking saucepan according to claim 6 is characterized in that: porose (22) also are set on the described pot cover (2) and are installed in safe pressure relief device in the hole (22), described pressure relief device comprises ventilation spool (91) and valve gap (92); The top of described revolving part (43) is connected and rotates galianconism (6b), and rotation galianconism (6b) flexibly connects with valve gap (92) and can start valve gap (92).
9. a kind of electric pressure cooking saucepan according to claim 6 is characterized in that: described spring (40) one or both ends are provided with ball.
10. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that: described stator (8) is " door " shape or " Contraband " shape frame, and the bottom of " door " shape or " Contraband " shape frame is fixed on the pot cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100360958A CN100425186C (en) | 2006-06-27 | 2006-06-27 | Electric pressure cooker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100360958A CN100425186C (en) | 2006-06-27 | 2006-06-27 | Electric pressure cooker |
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| Publication Number | Publication Date |
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| CN1868386A true CN1868386A (en) | 2006-11-29 |
| CN100425186C CN100425186C (en) | 2008-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100360958A Expired - Fee Related CN100425186C (en) | 2006-06-27 | 2006-06-27 | Electric pressure cooker |
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| Country | Link |
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| CN (1) | CN100425186C (en) |
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| CN100431453C (en) * | 2006-12-15 | 2008-11-12 | 佛山市富士宝电器科技有限公司 | Pressure converter for electric pressure cooker |
| CN107136911A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
| CN107773026A (en) * | 2016-08-26 | 2018-03-09 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| WO2022036773A1 (en) * | 2020-08-19 | 2022-02-24 | 广东万事泰集团有限公司 | Pressure cooker |
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| KR970050871U (en) * | 1996-02-24 | 1997-09-08 | Automatic opening and closing device of steam valve of electric pressure cooker | |
| US6414254B1 (en) * | 1999-10-15 | 2002-07-02 | Chiaphua Industries Limited | Electrical pressure sensing switch |
| CN2505880Y (en) * | 2001-11-02 | 2002-08-14 | 吴连宝 | Pressure controlling device |
| CN1528229A (en) * | 2003-09-27 | 2004-09-15 | 浙江苏泊尔炊具股份有限公司 | Electric rice cooker |
| CN1718139A (en) * | 2005-07-13 | 2006-01-11 | 美的集团有限公司 | Electric pressure cooking utensil |
| CN100385219C (en) * | 2005-10-25 | 2008-04-30 | 广东伊立浦电器股份有限公司 | Pressure detection method and apparatus for electric pressure cooker |
| CN201029751Y (en) * | 2006-06-27 | 2008-03-05 | 佛山市富士宝电器科技有限公司 | Electric pressure cooker |
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2006
- 2006-06-27 CN CNB2006100360958A patent/CN100425186C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100431453C (en) * | 2006-12-15 | 2008-11-12 | 佛山市富士宝电器科技有限公司 | Pressure converter for electric pressure cooker |
| CN107136911A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
| CN107136911B (en) * | 2016-03-01 | 2023-03-14 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjusting structure and pressure cooker with same |
| CN107773026A (en) * | 2016-08-26 | 2018-03-09 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| CN107773026B (en) * | 2016-08-26 | 2023-11-14 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| WO2022036773A1 (en) * | 2020-08-19 | 2022-02-24 | 广东万事泰集团有限公司 | Pressure cooker |
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| CN100425186C (en) | 2008-10-15 |
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