Detailed description of the invention
Fig. 1 is the part pot cover decomposition diagram of the high pressure grill pan of the utility model embodiment.
Fig. 2 is the structural schematic diagram of the long float-controlled valve of the high pressure grill pan of the utility model embodiment.
Fig. 3 is the structural schematic diagram of the snorkel of the high pressure grill pan of the utility model embodiment.
Fig. 4 is the part pot cover decomposition diagram of the high pressure grill pan of the utility model embodiment.
Fig. 5 is middle layer, liner and the dependency structure decomposition diagram of the high pressure grill pan of the utility model embodiment.
Fig. 6 is the pot body, pressure control mechanism and dependency structure decomposition diagram of the high pressure grill pan of the utility model embodiment.
Fig. 7 is the shell and dependency structure decomposition diagram of the high pressure grill pan of the utility model embodiment.
Fig. 8 is the assembling schematic diagram of the high pressure grill pan of the utility model embodiment.
Component symbol and label in figure
10 pot cover 20 of high pressure grill pan
30 heat-generating disc 40 of liner
50 pressure control mechanism 60, over-pressure self-discharging mechanism
70 pot body 80 of control mainboard
820 shell 82 of panel mounting hole
21 plastic cover 22 of handle
23 pressure limiting valve module 24 of steel lid body
25 seal assembly 26 of float valve module
First mounting hole, 221 second mounting hole 222
223 up knob piece 211 of handle mounting hole
Lower 212 handle screw 213 of handle piece
271 push plate 272 of push plate fastener
2720 extension spring 273 of magnet
274 trim paster 275 of trim
224 installation part 230 of ornamental strip
The 4th mounting hole 232 of third mounting hole 231
261 aluminium flake 262 of plastic seal ring
263 egative film 264 of silica gel sealing ring
401 abat-vent 241 of mounting hole
242 snorkel 243 of pressure valve
2431 end 2432 of mounting portion
First segment 243A second segment 243B
Exhaust pipe gasket 244 is vented the seal of tube 245
Prevent blocking 246 hexagonal (hexagon)nut 247 of frame
The long float-controlled valve 251 of blanking cover 248
Valve seat 251A boss 251B
252 sawtooth bolt 253 of float valve seals
255 manganese piece 811 of negative pressure valve
51 probe holder spring 52 of probe holder
53 elastic slice 600 of probe holder pedestal
61 first switch bracket 62 of pressure switch
63 second switch bracket 64 of cut-offing protecting switch
821 middle ring 822 of insulation ring
823 tubbiness side wall 824 of solenoid valve
825 radiating bottom plate 826 of pedestal
827 socket 828 of non-slip feet
829 circuit board 8290 of circuit board box
830 screw 71 of collecting box
72 mainboard box 73 of control mainboard
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 8 is please referred to, high pressure grill pan 10 shown in the utility model embodiment, including pot cover 20, pot body 80, hair
Hot plate 40, control mainboard 72, circuit board 8290, solenoid valve 823, pressure switch 61 and cut-offing protecting switch 63.Pot body 80 is wrapped
Middle layer 81 and shell 82 are included, middle layer 81 is located in shell 82, and heat-generating disc 40 is located at 81 bottom of middle layer, and circuit board 8290, pressure are opened
The lower inside that 61, cut-offing protecting switch 63 is located at pot body 80 is closed, solenoid valve 823, pressure switch 61, cut-offing protecting switch 63 are equal
With 40 circuit connection of circuit board 8290 and heat-generating disc.
Pot cover 20 includes handle 21, plastic cover 22, steel lid body 23, pressure limiting valve module 24, float valve module 25 and close
Sealing assembly 26.
Plastic cover 22 along central axes direction, is offering the first mounting hole 221, the second mounting hole 222 and two
Handle mounting hole 223.First mounting hole 221 is for installing pressure limiting valve module 24, and the second mounting hole 222 is for installing float valve group
Part 25, two handle mounting holes 223 are used for mounting knob 21.
Handle 21 is made of up knob piece 211, lower handle piece 212 and two handle screws 213.Distinguish at the both ends of handle 21
It is embedded in described two handle mounting holes 223.
Plastic cover 22 is equipped with slide assemblies perpendicular to the two sides in central axes direction, and slide assemblies include push plate fastener
271, push plate 272, extension spring 273, trim 274, trim paster 275 and multiple mounting screws, bolt, nut.Its
Push plate 272 is slidably mounted on plastic cover 22 by middle side, push plate fastener 271, and the plastic cover 22 of the other side is equipped with drawing
Spring 273 is stretched, and trim 274 is installed on plastic cover 22 to protect extension spring 273 by multiple screws.Plastic cover
22 outer surfaces are installed with ornamental strip 224.Magnet 2720 is equipped with inside push plate 272, magnet 2720 is used in pot cover 20 and pot body
Magnetic matching relationship is constituted when 80 correct lids close and positioned at the solenoid valve 823 of 80 corresponding position of pot body.Preferably, magnet 2720 is
The magnet of strip and somewhat arc, to better adapt to 20 shape of push plate 272 and pot cover.
There are two installation parts 230 for installing on the upside of steel lid body 23, corresponding with two handle screws 213 respectively.That is, two
A handle screw 213 is fixed on 21 both ends of handle on described two installation parts 230 respectively.Steel lid body 23 is along central axes side
To third mounting hole 231 and the 4th mounting hole 232 is offered, third mounting hole 231 is connected to the first mounting hole 221, the 4th peace
Dress hole 232 is connected to the second mounting hole 222.Seal assembly 26 includes plastic seal ring 261, aluminium flake 262 and silica gel sealing ring
263.Plastic seal ring 261 is chimeric to be mounted on 22 lower edge of plastic cover, and aluminium flake 262 and egative film 264 are fixed on steel together
23 lower surface of lid, and aluminium flake 262 offers many air holes, silica gel sealing ring 263 is mounted on 23 lower edge of steel lid body.
Pressure limiting valve module 24 successively includes abat-vent 241, pressure valve 242, snorkel 243, exhaust pipe gasket from top to bottom
244, it is vented the seal of tube 245, prevents blocking frame 246, hexagonal (hexagon)nut 247 and blanking cover 248.Abat-vent 241, leads at pressure valve 242
Tracheae 243, the exhaust seal of tube 245, prevents blocking frame 246, hexagonal (hexagon)nut 247 to be sequentially arranged at the first peace at exhaust pipe gasket 244
It fills in hole 221 and third mounting hole 231, and anti-clogging protection is realized by the blanking cover of lower side 248.
Snorkel 243 includes mounting portion 2431 and end 2432, and 2431 surface of mounting portion is equipped with screw thread, and end 2432 is in big
Cydariform, waist are coarser than both ends.243 internal diameter of snorkel is divided into two sections, and first segment 243A longer, self installation portion 2431 extends to end
The waist in portion 2432 slightly descends position, and second segment 243B is shorter, connect with first segment 243A and extends to end 2432.First segment
The internal diameter of 243A is less than the internal diameter of second segment 243B.The internal diameter of first segment 243A is 2.40mm~2.60mm, it is preferred that is
2.55mm.The internal diameter D3 range of second segment 243B is between 3.1mm~3.6mm, it is preferred that internal diameter D3 is 3.4mm.Pressure limiting valve group
Part 24 be used for when pot inner pressure reaches pressure limiting pressure, in pot gas can blow-off pressure valve 242 deflate, thus to limit a pot internal pressure
Power is further up, in addition, second segment 243B is compared with internal diameter in the prior art is in 3mm and second segment below, snorkel 243
Ventilation it is more smooth, further improve the safety of high pressure grill pan 10.
Float valve module 25 includes from top to bottom successively including long float-controlled valve 251, float valve seals 252, sawtooth bolt
253, diaphragm seal 254 and negative pressure valve 255.The long float-controlled valve 251, float valve seals 252, sawtooth bolt 253, diaphragm seal
254 and negative pressure valve 255 be sequentially arranged in the second mounting hole 222 and the 4th mounting hole 232.Wherein, long float-controlled valve 251 includes
Valve seat 251A and boss 251B (long remaining structure of float-controlled valve 251 is identical with the prior art, repeats no more), valve seat 251A are equipped with and let out
Press mouth.Preferably, the outer diameter of the outer diameter D 1 of valve seat 251A valve seat than in the prior art is thick, outer diameter 6.9mm.The length of boss 251B
Degree L1 and outer diameter D 2 increase length compared with the length of boss in the prior art, outer diameter, and the length L1 of boss 251B is
8mm, outer diameter D 2 are 9.3mm.
Float valve module 25 is used to that long float-controlled valve 251 to be made to push up upper push plate when air pressure is greater than preset value such as 5KPa in pot
Fastener 271 to open by mistake lid when preventing and having pressure in pot, causes gas, food to be gone out, makes so that pot cover 20 cannot be opened
At user's injury;In addition, the length of the outer diameter of long 251 overstriking of float-controlled valve, lengthening further improves user's operation
Safety, float-controlled valve is thicker to increase the smooth of exhaust, and the elongated safety increased when using of float-controlled valve can more remind user's
Operation.
Liner 30 is cylindrical, various to cooking food for containing rice, dish, water, meat etc..Middle layer 81 is also cylindrical, and one
A manganese piece 811 is mounted on its bottom as its bottom wall.Over-pressure self-discharging mechanism 50 and heat-generating disc 40 are installed on the manganese piece 811.
There is mounting hole 401, to accommodate over-pressure self-discharging mechanism 50 in the middle part of heat-generating disc 40.That is, over-pressure self-discharging mechanism 50 is from hair
It is protruded in the mounting hole 401 at 40 middle part of hot plate.Over-pressure self-discharging mechanism 50 includes probe holder 51, probe holder spring 52 and probe holder bottom
Seat 53, probe holder spring 52 is mounted between the middle part of probe holder 51 and the middle part of probe holder pedestal 53, the bottom of probe holder 51
It is embedded on probe holder pedestal 53, probe holder pedestal 53 is fixed on manganese piece 811 by two flat head screws.Over-pressure self-discharging mechanism
50 for fail for some reason in pressure control mechanism 60, pressure limiting valve module 24 also fails for some reason, pot inner pressure persistently rises and reaches dangerous pressure
When power preset value, the liner 30 supported by probe holder spring 52 can be compeled to sink by air pressure, make to produce between liner 30 and pot cover 20
Raw gap, a large amount of gas spray from 20 surrounding moment of pot cover, fundamentally prevent high pressure grill pan 10 and occur because air pressure is excessive
The accident of explosion.
Preferably, heat-generating disc 40, manganese piece 811 and pressure control mechanism 60 connect smooth, thus prevent in machine operation vibration,
The Imbalance in weight problem occurred when pressure release, anti-pressure ability is strong, further increases the safety of high pressure grill pan.
Middle layer 81 is arranged on the elastic slice 600 of three rectangular zigzags, the top of three elastic slices 600 and the bottom in middle layer 81
Wall contact, the bottom end of elastic slice 600 is then fixed in shell 82.Specifically, the top of elastic slice 600 passes through washer, gasket, screw etc.
Element is installed on manganese piece 811.Pressure control mechanism 60 is installed between shell 82 and the top of elastic slice 600.
Pressure control mechanism 60 includes pressure switch 61, first switch bracket 62, cut-offing protecting switch 63, second switch bracket 64
And multiple mounting screws.
Pressure switch 61 is mounted on first switch bracket 62, is mechanically connected with the top of elastic slice 600, and with heat-generating disc 40
Electrical connection.The preset value upper limit is increased in pot inner pressure, middle layer 81 be forced to press to a certain degree, the top of elastic slice 600 it is downward
Movement and deformation to a certain degree when realize pressure switch 61 power-off so that heat-generating disc 40 power off, so i.e. so that in pot
Pressure is no more than the preset value upper limit.And be reduced to preset value lower limit in pot inner pressure, middle layer 81 return back to upwards to a certain degree, bullet
The energization that pressure switch 61 is realized when being moved to a certain degree is replied on the top of piece 600 upwards, so that heat-generating disc 40 is powered,
So i.e. so that pot inner pressure gos up and is no more than preset value lower limit.According to the power on/off of pressure switch 61, heat-generating disc 40 is realized
Power on/off realize the control of pot inner pressure that is, so that the pressure in high-voltage electricity pot 10 maintains in a certain range of preset value
System.
Cut-offing protecting switch 63 is mounted on second switch bracket 64, and is fixed together in middle level with second switch bracket 64
On 81 bottom wall, and it is connect respectively with the zero-power line (not shown) of the bottom surface of heat-generating disc 40, circuit board 8290.When high pressure grill pan
10 work are wrong to cause pressure cooker culinary art for a long time, persistent pressure until when pressure is more than safety standard, and heat-generating disc 40 reduces, touching
It sends out cut-offing protecting switch 63 and disconnects zero-power line, disconnect operating voltage, then so as in hypertonia and cooking time tune
Too long of situation under stop culinary art process, enhance high pressure grill pan 10 safety.
Shell 82 includes insulation ring 821, middle ring 822, solenoid valve (electromagnetic sensor) 823, tubbiness side
Wall 824, pedestal 825 and bottom plate 826.Insulation ring 821 is embedded in middle ring 822, and middle ring 822 is mounted on tubbiness side wall 823
Top edge, pedestal 824 is mounted on the bottom margin of tubbiness side wall 823, and bottom plate 826 is installed on 824 middle part of pedestal, thus
Form the accommodating space in a storage middle layer 81.More specifically, 20 downside of upside shape and pot cover of insulation ring 821, middle ring 822
Shape it is corresponding so that 20 slidable sealing pot body 80 of pot cover.Solenoid valve 823 is mounted in middle ring 822, with control mainboard
72 circuit connections.
When pot cover 20 and pot body 80 are without correctly lid conjunction, the solenoid valve 823 on shell 82 fails and the magnetic on pot cover 20
2720 pairing of body, the transmission of solenoid valve 823, which is not covered, closes signal to control mainboard 72, and the repertoire of control mainboard 72 stops starting,
And circuit board 8290 is sent by the signal that the stopping starts, cut-offing instruction, cut-offing protecting switch 63 are issued by circuit board 8290
Operating voltage is disconnected according to cut-offing instruction, so that high pressure grill pan 10 be avoided to cook in the case where uncapping or closing correct situation without lid
It prepares food.
Preferably, be additionally provided in control mainboard 72 LED display (not shown go out), control mainboard 72 outer surface equipped with master
Plate box 73 reminds user that pot cover does not have by flashing or growing bright display " UNLC " (indicate UNLID) and issue prompt tone
There is correct lid to close.When pot cover correctly covers conjunction, LED display shows " ON " and starts to work.
Three non-slip feets 827 are fixed by three sawtooth screw installations on the downside of bottom plate 826.It is installed on the outside of pedestal 825
Socket 828, and circuit board box 829 is equipped with by screw in it, pass through screw fixing circuit board 8290 in circuit board box 829.
Panel mounting hole 820 is opened in the tubbiness side wall 824.Control panel 70 is by screw 71, control mainboard (or " control mainboard
Pedestal ") 72, mainboard box 73 is screwed in together, and is fixed on tubbiness side wall 824.Control panel 70, heat-generating disc
40, socket 828 with 8290 circuit connection of circuit board.824 outside of tubbiness side wall is also installed with close to the position of middle ring 822 catchments
Box 830.Preferably, bottom plate 826 and circuit board box 829 are made of V0 grades of fire proofings, have the function of it is fire-retardant and heat-insulated,
The safety of high pressure grill pan 10 can be further increased.
High-voltage electricity cookware provided in this embodiment has solenoid valve and the big safe design of cut-offing protecting switch two, can be in pot cover
Stop culinary art process in the case where closing without correctly lid, can also stop under hypertonia and the too long of situation of cooking time tune
Process is only cooked, to improve the security performance of product, improves the safety coefficient of operation.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.