CN2389590Y - Safety pressure-regulating pressure cooker - Google Patents

Abstract

The utility model discloses a safe pressure regulating pressure cooker, there is the gas vent at the top of pot cover, on the gas vent was arranged in to the gland, disk seat and gland rigid coupling, the top of gas vent was provided with the clamp plate, is equipped with pressure spring between clamp plate and gland, and the side facade of pot cover still is equipped with side discharge valve, is equipped with adjustable movable valve element in the case through-hole of voltage limiting valve. The pressure cooker has the advantages that the pressure limiting exhaust port can not be blocked, the pressure can be kept at normal pressure when the cooker cover is not screwed, hidden dangers are eliminated for safe use, cooking requirements of different foods can be met, and the pressure cooker is more convenient to use, safer and more reliable under the condition that the cost is not increased greatly.

Description

Safe pressure regulation pressure cooker

The utility model relates to a kind of pressure cooker, more particularly relates to a kind of safe pressure regulation pressure cooker, belongs to a kind of improvement of pressure cooker.

Pressure cooker and since have cooking speed fast, save time, advantage such as laborsaving and energy savings, used widely by people.But the valve seat that this pressure cooker normally will have steam vent, communicate with pot body cavity is directly installed on the pot cover, because the aperture of the pressure limiting steam vent on the valve seat is little, is very easily blocked by food in the pot, causes a pot body blast to happen occasionally; And do not cover completely and pressure in the pot still can increase when pot cover in time screws, brought hidden danger for the safe handling of pot body; Pressure in the pot can not be regulated simultaneously, is required the food cooking of different pressures to increase inconvenience again.

The purpose of this utility model provides a kind of safe pressure regulation pressure cooker, when it is not only cooked security performance good, can not explode, and, can also regulate the culinary art requirement that pressure in pot body satisfies different food products simultaneously easily as long as pot cover does not screw to cover completely just to be remained normal pressure, do not have hidden danger when using in pot body.

The purpose of this utility model is to realize like this, it includes a pot body, pot cover, handle, it is characterized in that having the pressure limiting exhaust outlet at the top of pot cover, gland places on the exhaust outlet, and there is the ladder mouth upper end of valve seat steam vent, and valve seat and gland are affixed, the top of pot cover pressure limiting exhaust outlet is provided with pressing plate, between pressing plate and the gland compression spring is housed, the side air bleeding valve also is installed on the side elevation of pot cover, the push rod that cooperates with the air bleeding valve valve rod is installed on the handle of pot body; Spool middle part at pressure limiting valve has through hole, and adjustable movable spool places the through hole at spool middle part to cooperate with the pressure limiting valve body.

Owing to adopted such scheme, on pot cover, have a heavy caliber and dispose the pressure limiting exhaust outlet of elasticity gland, food in the pot under any circumstance all can't be blocked exhaust outlet at all, use more safe and reliable can not the blast, again owing to the side elevation at pot cover is provided with air bleeding valve, when screwing the push rod that is installed in when covering completely on the handle, pot cover do not contact with the air bleeding valve spool, air bleeding valve is in opening, make and still keep normal pressure in the pot, for hidden danger has been eliminated in safe handling, simultaneously owing on the fixed spool of pressure limiting valve, increased an adjustable movable spool again, the upper end of the steam vent of valve seat also has the ladder mouth, can regulate the culinary art requirement that the interior pressure of pot satisfies different food products easily, increases under the little situation at cost, the side makes to make pressure cooker use more, and is more safe and reliable.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a concrete structure generalized section of the present utility model.

Fig. 2 is the structure-Tu of pressure limiting valve body.

Fig. 3 is another embodiment.

In Fig. 1-3, the pressure limiting exhaust outlet that it is the 30mm circle that the middle part of pot cover 1 has a diameter has a symmetrical lever attachment hole in the both sides of exhaust outlet, and the pole 11 of TBE (threaded both ends) is fixed on the pot cover 1 after adding sealing gasket with nut by connecting hole respectively.There is a valve seat orifice at the middle part of pressing plate 9, the upper end that pressing plate 9 is plugged on pole 11 by the connecting hole at two ends, and with nut and pot cover 1 parallel being fixed on two poles 11, cover of upholstery 12 is fixed on the pot cover 1 by pole 11.Gland 3 is a circular slab, and periphery has the ladder mouth, and O-ring seal 2 places on the ladder mouth of gland 3.Also have a valve seat jack at the middle part of gland 3, the steam vent 26 that valve seat 7 communicates with pot body cavity for the tubular body center has is a ladder mouth 29 in the upper end of valve seat steam vent 26, and valve seat 7 is fixed as one with nut and gland 3 by the valve seat jack on the gland 3.The gland 3 that has O-ring seal 2 is buckled on the pressure limiting exhaust outlet at pot cover 1 middle part, and compression spring 10 and 7 sockets of tubular valve seat are placed between pressing plate 9 and the gland 3, and gland 3 tightly is being buckled on the exhaust outlet of pot cover under the effect of compression spring 10.The upper end of valve seat 7 passes from the preformed hole at pressing plate 9 and cover of upholstery 12 tops, and pressure limiting valve body 6 places on the valve seat 7.Side elevation at pot cover 1 handle place has the side steam vent, and valve seat 14 is fixed on the side steam vent by nut 13, and bonnet 15 is threaded with valve seat 14 spool 16 is fixed in the inner chamber of valve seat 14.The guide hole 21 that a right-hand member band seam is arranged on the handle 28 has the circular recess 17 that cooperates with spool 16 at push rod 18 left ends, and push rod 18 places pot guide hole of body handle 28 21, also is with compression spring 20 on push rod 18.Remove and take the shape of the letter U 19 tabularly, remove on 19 push rods 18 that are connected on guide hole 21 right sides by bearing pin.The middle part of pressure limiting valve body 6 is provided with the valve seat jack of up/down perforation, upper end band seam.There is the conical seal (contact) face that cooperates with the valve seat steam vent spool 25 lower ends, in the taper surface upper end seam are arranged, and spool 25 places the jack of valve body 6, and spool 25 is threaded with bonnet 23 in the jack of valve body 6, and bonnet 23 and valve body 6 are linked into an integrated entity.Also has a through hole at the middle part of spool 25, the bottom of movable spool 27 has the conical surface of using with valve seat steam vent 26 fitted seal equally, on the core bar of the bottom of movable spool 27, have the sealing air drain 24 of twice annular, the seam 28 that on the core bar of the middle part of movable spool 27, also has an annular, movable spool 27 places the through hole of spool 25, compression spring 10 places the inner chamber and movable spool 27 sockets of bonnet 23, the lower end of compression spring 10 is stuck on the annular stopper 28 of movable spool 27, and the upper end of compression spring 10 is stuck in the suitable for reading of bonnet 23.Adjusting is removed 5 tabular for U-shaped, removes to be the presser feet of one to 5 stretching out two on 5 with removing, and removes to be coupling 5 by bearing pin 4 and movable spool 27.

During cooking food, when pressure cooker air pressure excess load, overvoltage gas is discharged from the steam vent 26 jack-up pressure limiting valves 6 of valve seat 7, and an assurance pot body 22 is worked under the pressure of safety.Because the central row pore 26 of valve seat 7 is thinner, when the food in the pot bottles up steam vent 26, the steam vent 26 of pressure limiting valve 6 lower ends can't be discharged overvoltage gas, anxious poly-the increasing of pot internal gas pressure, at this moment when the overvoltage steam during greater than the elastic pressure of compression spring 10 with gland 3 jack-up, overvoltage gas is discharged from the pressure limiting exhaust outlet of gland 3 lower ends, and after the pressure in the pot recovered safe pressure, gland 3 made the pressure limiting exhaust outlet close again under the effect of compression spring 10.Side air bleeding valve on pot cover 1 side elevation is subjected to the compressing of the overvoltage steam in pot body 22 simultaneously, after pressure is greater than the elastic pressure that is enclosed within the compression spring 20 on the push rod 18, spool 16 is ejected by gas from the inner chamber of valve seat 14, and promotion push rod 18 moves to right the overvoltage steam is discharged from the side air bleeding valve.When recovering safe pressure back valve core 16, the pressure in the pot body 22 under the effect of compression spring 20, the side air bleeding valve is closed again by push rod 18.When pot cover 1 does not screw when covering completely, spool 16 does not contact with push rod 18 and is in trip status, and the gases that produce in the pot body 22 just can make to remain on atmospheric pressure state work in the pot, without any dangerous hidden danger from the eliminating of side air bleeding valve always.Screw when covering completely at handle 28, will remove and remove 19 and 18 one-tenth vertical configurations of push rod, push rod 18 breaks away to be removed 19 compression spring 20 effects that are controlled at time, and push rod 18 withstands spool 16 and makes the side exhaust valve closure.Because the right-hand member of spool 16 has supported in the recess 17 of push rod 18 terminations, make pot cover 1 and 22 lockings of pot body by spool 16, even also can't opening pot cover 1, turning handle 28 guaranteed the safety of using, when rotation remove 19 with push rod 18 in line the time, U-shaped is removed and two pin of 19 are withstood handle 28 is driven push rods 18 and move to right, remove in the guide hole 21 on the 19 retraction handles 28, pot cover 1 switch easily rotates.U-shaped on rotating pressure limiting valve valve body 6 is removed to make 4 and is removed 4 and movable spool 7 in line the time, remove the loam cake 23 that 4 U-shaped pin is propped up pressure limiting valve 6, in the through hole at drive activity spool 27 retraction spools 25 middle parts, when at this moment pressure limiting valve 6 is buckled on the valve seat 7, the taper surface by spool 25 suitable for reading of valve seat 7 ladder mouths 29 is closed, and pressure cooker is worked under the pressure of 50kPa; Make 5 and to remove 5 when vertical when rotating removing of U-shaped with 27 one-tenth of movable spools, the loam cake of removing pin and pressure limiting valve 6 23 that U-shaped is removed 5 breaks away from, movable spool 27 ejects in the through hole at spool 25 middle parts under the effect of compression spring 10, at this moment, the end opening of the ladder mouth 29 of steam vent 26 upper ends of pressure limiting valve 6 is closed the steam vent in the valve seat 7 26 by the sealing cone of movable spool 27 lower ends, and pressure cooker is worked under the pressure of 90kPa.Or on the side elevation of the pot cover 1 that is installed in pot body handle and pair handle place that two side air bleeding valves are symmetrical respectively, it is more safe and reliable that pressure cooker is used.

Claims (4)

1. safe pressure regulation pressure cooker, it includes a pot body, pot cover, handle, it is characterized in that having the pressure limiting exhaust outlet at the top of pot cover, gland places on the exhaust outlet, and there is the ladder mouth upper end of valve seat steam vent, and valve seat and gland are affixed, the top of pot cover pressure limiting exhaust outlet is provided with pressing plate, between pressing plate and the gland compression spring is housed, the side air bleeding valve also is installed on the side elevation of pot cover, the push rod that cooperates with the air bleeding valve valve rod is installed on the handle of pot body; Spool middle part at pressure limiting valve has through hole, and adjustable movable spool places the through hole at spool middle part to cooperate with the pressure limiting valve body.

2. pressure cooker according to claim 1 is characterized in that said gland is a circular slab, and periphery has the annular step ladder way.

3. pressure cooker according to claim 1 is characterized in that also being connected with valve gap in said pressure limiting valve upper end.

4. pressure cooker according to claim 1 is characterized in that said side air bleeding valve is two, respectively on the side elevation that is installed in pot body handle and pair handle place pot cover of symmetry.

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