CN2448235Y

CN2448235Y - Pressure adjustable automatic electric pressure cooker

Info

Publication number: CN2448235Y
Application number: CN 00240215
Authority: CN
Inventors: 容祥寿; 李森; 吴福郊
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-11-22
Filing date: 2000-11-22
Publication date: 2001-09-19
Anticipated expiration: 2010-11-22

Abstract

The utility model relates to a pressure adjustable automatic electric pressure cooker. The pressure adjustable automatic electric pressure cooker is characterized in that a bracket is arranged between the bottom of a middle layer and a casing of an original electric pressure cooker. A drainage ring is arranged between the upper part edge of the middle layer and the casing. A through hole is arranged on an outer cover. A superpressure valve is arranged on an inner cover. Water can be directly poured from the outer cover for reducing pressure due to the drainage ring. Thus, the cooker cover can be immediately opened. The superpressure valve is added on the inner cover. Under the condition that a pressure adjusting valve is blocked, air is discharged through the superpressure valve for ensuring safety. Because a plurality of brackets are added at the bottom of the middle layer, the weight of the inner cooker and a heating disc are directly stressed on outer feet of the cooker through the brackets. An outer cooker is prevented from burning due to heating disc sinking. Thus, the service life of the pressure cooker is longer. The pressure adjusting valve is further improved. Pressure can be adjusted according to requirements. The utility model has the advantages of more convenient utilization and electricity saving. Meanwhile, the superpressure valve is added for enhancing safety.

Description

But pressure regulation auto-electronic pressure cooker

But the utility model belongs to a kind of pressure regulation auto-electronic pressure cooker.

But the electric pressure cooking saucepan of pressure regulation at present is existing varied, for example 98234949.1 1 kinds of pressure-controlled adjustable in pressure electric pressure cooking saucepans of patent, 97246005.5 1 kinds of pressure adjustable electric pressure cookers of patent, 99235158.8 1 kinds of Temperature Control Type adjustable in pressure of patent, pressurize electric pressure cooking saucepan etc. regularly, all can finish the course of work of auto-electronic pressure cooker by the pressure in the pressure regulator valve realization adjusting pressure cooker.But the heat-generating disc of electric pressure cooking saucepan is fixed on outer pot bottom, and the material of outer pot bottom is generally softer, and again and certain distance arranged between the shell, the long-term use because the weight of interior pot and heat-generating disc, make outer pot to lower recess, heat-generating disc also sink thereupon, easily outer pot is burnt out and service life of having reduced pressure cooker.In addition, the step-down fast of existing electric pressure cooking saucepan, it is convenient inadequately to use.Moreover have only an air bleeding valve, cause danger just in case stop up, inadequately safety.

But the purpose of this utility model provides a kind of pressure regulation auto-electronic pressure cooker, by the directly water filling step-down of draining ring, sets up the security that pressure override valve improves pressure cooker, prevents that by increasing support heat-generating disc from sinking, and increased the service life of pressure cooker.

The technical scheme of taking for the utility model that achieves the above object is that this pressure cooker comprises shell, intermediate layer, interior pot, enclosing cover, inner cap, pressure regulator valve, pressure override valve, heat-generating disc and pot cover retaining mechanism, one intermediate layer is set in the shell, heat-generating disc is installed in the bottom surface, intermediate layer, interior pot is inserted in the intermediate layer, the bottom contacts with heat-generating disc, inner cap is connected with enclosing cover, and pressure regulator valve is housed on it, between bottom, described intermediate layer and the shell support is housed; Be with a draining ring between upper edge edge and the shell on the intermediate layer, cover outward and have through hole; In cover pressure override valve be housed.

Described pressure regulator valve comprises joystick, spring, valve body, spool, valve seat, look nut, Anti-stop cover and O-ring seal, valve body is inserted on the through hole of inner cap and enclosing cover, there is a two to have the cavity of through hole in the valve body, the venthole of cavity bottom communicates with interior pot, spool passes cavity, valve seat props up venthole, valve core upper sleeve has spring, a look nut is equipped with on valve body top, the centre of look nut has through hole, has steam vent on the sidewall, and stretch out from the hole on the top of spool, connect a joystick by pin on it, but the pressure regulation of turn look nut coil tension spring; Anti-stop cover is equipped with in the valve body bottom, is with O-ring seal on the valve seat.

Described pressure override valve is made up of valve body, spool, valve seat, valve bonnet, spring, cushion rubber and nut, and valve body is inserted in the through hole of inner cap, is lined with O-ring seal, fixes by nut; In the middle of the valve body pit is arranged, the outlet passageway of a connection internal lock is arranged at the bottom of the pit, spool stretches into the pit valve seat and is against on the outlet passageway mouth, and spring housing is on spool, and the valve bonnet that has steam vent is fixed on the valve body, and the valve bonnet top has the hole, and spool can eject from the hole.

Described draining ring is provided with an annular groove, and this groove has the collecting bowl that a drainage channel connects shell, has 3 limited blocks that raise up on the draining ring at least.

The utility model can be opened pot cover from the direct water filling step-down of enclosing cover owing to be provided with the draining ring at once.Set up a pressure override valve interior covering, under the situation that pressure regulator valve stops up,, guaranteed safety by the pressure override valve exhaust.Owing to having set up a plurality of supports in the bottom, intermediate layer, the weight of interior pot and heat-generating disc is directly stressed on the outer pin of pot by support, has prevented that heat-generating disc is sagging and burn out outer pot, makes the longer service life of pressure cooker.Pressure regulator valve has been done further improvement, and pressure can be regulated as required, uses more convenient and power saving, increases a pressure override valve simultaneously, has improved security greatly.

Below in conjunction with accompanying drawing the utility model is elaborated:

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model pressure regulator valve structural representation;

Fig. 3 is the utility model pressure override valve structural representation;

Fig. 4 is the utility model draining ring structure schematic diagram;

Fig. 5 is Fig. 4 A-A cutaway view.

The utility model is mainly by shell, intermediate layer as shown in Figure 1, interior pot, enclosing cover, inner cap, pressure regulator valve, pressure override valve, heat-generating disc and pot cover retaining mechanism are formed, intermediate layer 30 is arranged in the shell 32, heat-generating disc 28 is installed in 30 bottom surfaces, intermediate layer, and interior pot 34 is inserted intermediate layer 3O inner bottom part and contacted with heat-generating disc 28.A plurality of supports 27 are installed between the bottom of intermediate layer 3O and shell 32, support is processed into

Shape, a bottom that is fixed on intermediate layer 30, other end are fixed on the outer pin 29 of shell 32.The weight of interior pot and heat-generating disc outside reaching, support on the pin, can be avoided burning out the service life that outer pot shortens pressure cooker owing to weight is sunk heat-generating disc by increasing support.

Shown in Fig. 1,4,5, one draining ring 31 is installed between pot mouth edge, 30 top, intermediate layer and shell 32, one annular groove 40 is arranged on the draining ring 31, this annular groove has a drainage channel 36, drainage channel 36 connects the collecting bowl 44 of shell 32, on row's ring 31 3 limited blocks that raise up 33 are set at least, cover enclosing cover 4, limited block 33 plays and prevents that enclosing cover 4 from will moving.Enclosing cover 4 have a water injection hole 41 than the centre position, by water being injected aperture 41, cold water acts on inner cap 5 and reduces pressure when needing quick step-down, and discharges outside the pot in inner cap 5 flows to the groove 40 of draining ring.

As the pressure regulator valve 39 of scheming this pressure cooker shown in the l, 2 is made up of joystick, spring, valve body, spool, valve seat, look nut, Anti-stop cover, O-ring seal etc., valve body 6 is inserted on the through hole of inner cap 5 and enclosing cover 4, be lined with O-ring seal 9, fixing by nut 7 and nut 42; There is two to have the cavity 35 of through hole in the valve body 6, the venthole 13 of cavity 35 bottoms communicates with interior pot 34, spool 3 passes cavity 35, it is little to go to the bottom, the frusto-conical valve seat 12 that upper base is big props up venthole 13, for preventing gas leakage, be with O-ring seal 10 on the valve seat 12, valve seat 12 also can be processed into spherical shape, be with spring 2 on the spool 3, valve body 6 outer processing external screw threads match with the look nut l1 internal thread that is contained in valve body 6 tops, and the centre of look nut 11 has hole l5, and stretch out from hole 15 on the top of spool 3, connect a joystick l by pin l6 on it, have two steam vents 14 on the look nut 11 relatively, be installed with Anti-stop cover 8 in the valve body 6, this Anti-stop cover can be pulled down cleaning at any time.Pressure regulator valve 39 can carry out pressure regulation according to the pressure of cooking product needs, and the scope of pressure regulation can have between the 0.02-0.6kg, and rotating look nut 11 counter clockwise can reduce to 0.02kg with pressure, and rotation can be transferred to 0.6kg with pressure in the direction of the clock.The effect of joystick 1 is as pot in the need quick drain during 34 pressure, just with joystick left or right removing can be with the gas discharging of interior pot.

As Fig. 1, shown in 3, on the inner cap 5 of pressure cooker, set up a pressure override valve 17, this pressure override valve 17 is by valve body, spool, valve seat, valve bonnet, spring, cushion rubber, nut is formed, valve body 21 is inserted in the through hole of inner cap 5, be lined with O-ring seal 23 therebetween, fixing by nut 24, one pit 38 is arranged in the middle of the valve body 21, pit 38 bottoms have one to connect interior pot 34 outlet passageway 37, spool 26 inserts in the pit 38, valve seat 20 is with O-ring seal 22 and is against on 37 mouthfuls of the outlet passageways, and spring 18 is enclosed within on the spool 26, and the valve bonnet 19 that has a plurality of steam vents 25 fixes on the valve body 21 by nut solid 24.Valve bonnet 19 tops have hole 43, and spool 26 can eject from the hole.The maximum pressure at expulsion of this pressure override valve is 1.5kg, also can regulate pressure at expulsion by regulating valve bonnet 19.Increase when pressure regulator valve 39 stops up pot inner pressures, the valve seat 20 of pressure override valve 17 is by air pressure jack-up when reaching pressure override valve 17 and setting pressure, and gas is discharged from steam vent 25, has guaranteed the trouble free service of pressure cooker.

Claims

But 1, a kind of pressure regulation auto-electronic pressure cooker, comprise shell, intermediate layer, interior pot, enclosing cover, inner cap, pressure regulator valve, pressure override valve, heat-generating disc and pot cover retaining mechanism, one intermediate layer is set in the shell, heat-generating disc is installed in the bottom surface, intermediate layer, interior pot is inserted in the intermediate layer, and the bottom contacts with heat-generating disc, and inner cap is connected with enclosing cover, pressure regulator valve is housed on it, it is characterized in that: between described intermediate layer (30) bottom and the shell (32) support (27) is housed; Be with a draining ring (31) between upper edge edge, intermediate layer (30) and the shell (30), cover outward and have through hole (41); Pressure override valve (17) is housed on the inner cap (5).
2, but according to the described pressure regulation auto-electronic pressure cooker of claim 1, it is characterized in that: described pressure regulator valve comprises joystick, spring, valve body, spool, valve seat, look nut, Anti-stop cover and O-ring seal, valve body (6) is inserted on the through hole of inner cap (5) and enclosing cover (4), there is a two to have the cavity (35) of through hole in the valve body (6), the venthole (13) of cavity (35) bottom communicates with interior pot (34), spool (3) passes cavity (35), valve seat (12) props up venthole (13), be with spring (2) on the spool (3), a look nut (11) is equipped with on valve body (6) top, the centre of look nut (11) has through hole (15), have steam vent (14) on the sidewall, stretch out from hole (15) on the top of spool (3), connects a joystick (1) by pin on it, turn look nut (11) but the coil tension spring pressure regulation; Anti-stop cover (8) is equipped with in valve body (6) bottom, is with O-ring seal (10) on the valve seat (12).
But 3,, it is characterized in that according to the described pressure regulation auto-electronic pressure cooker of claim 2: described valve seat (12) be go to the bottom little, the truncated cone that upper base is big.
But 4, according to the described pressure regulation auto-electronic pressure cooker of claim 2, it is characterized in that: described valve seat (12) is an orbicule.
But 5, according to the described pressure regulation auto-electronic pressure cooker of claim 1, it is characterized in that: described pressure override valve (17) is made up of valve body, spool, valve seat, valve bonnet, spring, cushion rubber and nut, valve body (21) is inserted in the through hole of inner cap (5), be lined with O-ring seal (22), fixing by nut (24); One pit (38) is arranged in the middle of the valve body (21),, there is the outlet passageway (37) of a connection internal lock (34) at pit (38) end, spool (26) stretches into pit (38) valve seat (20) and is against on outlet passageway (37) mouth, spring (18) is enclosed within on the spool (26), the valve bonnet (19) that has steam vent (25) is fixed on the valve body (21), have hole (43) on the valve bonnet (19), spool (26) can eject from hole (43).
But 6, according to the described pressure regulation auto-electronic pressure cooker of claim 1, it is characterized in that: described draining ring (31) is provided with an annular groove (40), and this groove has this drainage channel of a drainage channel (36) (36) and connects on collecting bowl (44) the draining ring (31) of shell (30) and have 3 limited blocks that raise up (33) at least.