CN201119754Y

CN201119754Y - Self-spinning defoaming block-resistant pressure-limiting apparatus of pressure cooker

Info

Publication number: CN201119754Y
Application number: CNU2007200805025U
Authority: CN
Inventors: 李俊益
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-24
Filing date: 2007-07-24
Publication date: 2008-09-24
Anticipated expiration: 2017-07-24

Abstract

The utility model discloses a spin defoaming anti-plugging pressure cooker pressure-limiting device, which comprises a decompression pipe which is fixed on a cooker cover, a taper sealing structure which is formed by the upper portion of a movable bar and the upper end of the decompression pipe, a stirring bar whose lower end is penetrated into the cooker cover after passing through the decompression pipe, which is arranged on the lower end of the movable bar, and a pressure-limiting valve which is pressed on the top portion of the movable bar and is sleeved with the decompression pipe. Vent holes are symmetrically opened on the walls of the pressure-limiting valve, the vent holes on the pressure-limiting valve are connected outwards with a vent pipe whose tail end is provided with an air nozzle, the center line of the air nozzle is radially perpendicular to the pressure-limiting valve, counterforce which is generated by air blast can make the pressure-limiting valve rotate towards one direction owing to the direction of the air nozzle, and a hinged hanging ring is arranged on the top portion of the pressure-limiting valve. When the pressure cooker pressure-limiting device is used to stew food, the anti-plugging and anti-overflow effects are excellent, and the smooth condition of the decompression pipe can be checked randomly in stewing food process. And the decompression can be directly realized through lifting the pressure-limiting valve after stewed food. The device has convenient decompression and high operating safety, and saves water.

Description

The anti-blocking pressure cooker pressure limiting device of spin froth breaking

(1) technical field:

The utility model relates to a kind of pressure limiting device of pressure cooker.

(2) background technology:

The pressure limiting device of pressure cooker in the market, form by blast pipe and pressure limiting valve mostly, reason because of project organization, in use, particularly boiling when easily boiling food, slurries in the food and fine particle enter in the blast pipe easily along with the ejection of steam, slurries can be discharged from blast pipe, flow on the pot cover and gas kitchen of pressure cooker, cause that easily cooking stove is flame-out, cause contingency; In addition, because blast pipe is thinner, the fine particle that has can not pass through, if the fine particle in the blast pipe is too much, easily blast pipe is stopped up, and high steam can't be discharged smoothly, causes the pressure in the pot increasing, is easy to have an accident.In order to reduce the generation of peril, a lot of corresponding anti-clogging measures are released successively, as Anti-stop cover, safety valve etc. are installed.When adopting Anti-stop cover anti-blocking, more violent if food seethes with excitement in pot, fine particle will stop up it more for a long time.And the anti-blocking effect of employing safety valve neither be very desirable.For this reason, publication number is CN2115035, the name be called＜＜a kind of pressure cooker pressure limiting device that choke preventing function is arranged Chinese utility model patent, a kind of pressure cooker pressure limiting device that choke preventing function is arranged is disclosed.The feature of this utility model be have on the pressure limiting valve can pass blast pipe disclose bar and oblique steam impact opening; Its advantage is: when covering pressure limiting valve, the stifled thing that may exist in the blast pipe is promptly disclosed naturally; Suspect in the work to have and stifledly need only carry pressure limiting valve and can dredge that pressure limiting valve drives triangular prism and discloses bar and rotate rapidly under steam impacts simultaneously, thus further conducting blast pipe.But this utility model can not stop water and slurries to be discharged by blast pipe in use, flows on the pot cover and gas kitchen of pressure cooker, causes that easily cooking stove is flame-out, causes contingency.And its anti-blocking mode adopts is passive conduction mode, and pressure limiting valve is beating rather than continuous rotation of being interrupted in the course of the work, is in staticly when interval, might be stopped up by food by blast pipe.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of anti-blocking pressure cooker pressure limiting device of spin froth breaking that makes pressure cooker have anti-overflow, anti-blocking, function such as pressure release is convenient.

The utility model is achieved through the following technical solutions: the pressure cooker pressure limiting device that a kind of froth breaking that spins is anti-blocking, comprise the relief tube that is packed on the pot cover, motion bar, pressure limiting valve, motion bar is up big and down small, the termination on top makes the upper end of itself and relief tube form a taper static seal structure, its lower end is passed relief tube and is stretched in the pot cover, pressure limiting valve be pressed in the motion bar top and with the relief tube suit, uniform on the pressure limiting valve valve wall, symmetry has steam vent (being generally 4), the lower end of different is motion bar is equipped with puddler or stirs rope, steam vent on the pressure limiting valve outwards connects the identical blast pipe of size, the blast pipe tail end is provided with puff prot, the center line of puff prot and pressure limiting valve radially perpendicular, it is towards all making the jet reaction force of producing that pressure limiting valve is rotated in the same direction; Also can be provided with drop handle at the pressure limiting valve top, can relatively rotate between drop handle and the pressure limiting valve.

When pressure cooker seethes with excitement when jet, promote to move on motion bar and the pressure limiting valve, the fumarole ejection of steam blast pipe from the pressure limiting valve, make the pressure limiting valve quick rotation, friction between motion bar top and the pressure limiting valve drives the motion bar rotation, the puddler of motion bar lower end in the pressure cooker (or stirring rope) is followed synchronous rotation, to stir brokenly near the boiling bubble of relief tube air inlet, effectively stop the food and the slurries that hold up by bubble to touch the relief tube air inlet, avoid causing the obstruction of relief tube, guarantee simultaneously to be water vapour from the object major part that relief tube is discharged, not only played good anti-blocking effect, the sanitation and hygiene that also kept pot cover are avoided water and food slurries to overflow and are flow on the gas kitchen, have prevented the generation of contingency.

Food steam, boil finish after, do not need to reduce the interior pressure of pot, can directly mention pressure limiting valve, steam is discharged from the steam ejiction opening on the blast pipe with drop handle with cold water, pressure limiting valve and puddler rotate under the effect of steam, thereby reach the purpose of froth breaking, anti-blocking, exhaust step-down, water saving.

For integral rigidity and the aesthetic property that keeps blast pipe, blast pipe and pressure limiting valve can be made one, one of method is that pressure limiting valve is the disk body shape to the circumferencial direction expansion, blast pipe is built in the disk body of pressure limiting valve, the blast pipe of this moment develops into exhaust duct, but the principle of the selection of material is: the proportion of material should be interior heavy outer light.

The simple structure of described blast pipe (exhaust duct) is straight tube (road), also can make curved pipe (road) or other shape.

Select four blast pipes to be enough to realize the rotation of pressure limiting valve generally speaking.

Advantage of the present utility model is:

1, adopts in a motion bar bottom affixed puddler or stir the device of rope, make it under the drive of steam, produce rotation, the bubble that the boiling of pot internal cause is risen stirs brokenly, prevention touches the relief tube air inlet by food and the slurries that bubble holds up, avoid causing the obstruction of relief tube, guarantee simultaneously to be water vapour from the object major part that relief tube is discharged, not only played good anti-blocking effect, the sanitation and hygiene that also kept pot cover, avoid water and food slurries to overflow and flow on the gas kitchen, prevented the generation of contingency;

2, pressure cooker can be checked the unimpeded situation of relief tube at any time in the process of cooking; After the food boiling is finished, can directly mention pressure limiting valve and realize step-down, can reach good froth breaking, the purpose of disappear water and exhaust step-down, and in the past with the cold water bubble or dash the mode of drenching step-down with cold water and compared, not only pressure release has made things convenient for, has improved the security of operation, has also significantly reduced domestic water.

3, can relative motion between described motion bar and the relief tube, uncap, renovate, in the process of Xi Gai and Gai Gai, the relative motion between motion bar and the relief tube greatly reduces relief tube possibility of jamming before pressure cooker uses.

(4) description of drawings:

Fig. 1: the front section view of a kind of embodiment of the utility model;

Fig. 2: the vertical view of A-A section among Fig. 1;

Fig. 3: the front section view of the another kind of embodiment of the utility model;

Fig. 4: the vertical view of B-B section among Fig. 3.

Reference numeral: 1 pressure limiting valve, 2 blast pipes, 3 drop handles, 4 relief tubes, 5 puddlers or stirring rope, 6 motion bars, 7 nuts, 8 puff prots, 9 pads, 10 pot covers, 11 disk bodies, 12 exhaust ducts.

(5) specific embodiment:

In embodiment shown in Figure 1, the anti-blocking pressure cooker pressure limiting device of the utility model spin froth breaking comprises pressure limiting valve 1 and relief tube 4, the lower end of relief tube 4 enters in the pot cover 10 by the installing hole of pot cover 10, the back, location is tightened in relief tube 4 on the pot cover 10 with nut 7 (being provided with several relief holes), for preventing to leak, between relief tube 4 and pot cover 10, also add pad 9.The axle center of pressure limiting valve 1 offers the endoporus that cooperates with relief tube 4 suits, evenly have on the valve wall of pressure limiting valve 1 endoporus bottom 4 with the vertical steam vent of pressure limiting valve 1 endoporus, in each vent ports a bar shaped blast pipe 2 is installed all, end at every blast pipe 2 all has a puff prot 8, the center line of puff prot 8 and pressure limiting valve radially perpendicular, it is towards all making the jet reaction force of producing that pressure limiting valve is rotated in the same direction, as shown in Figure 2.

Shown in Figure 1, in relief tube 4, assign the motion bar 6 of metal, the lower end of motion bar 6 enters pot cover 10, its bottom is connected with the metal puddler 5 vertical with motion bar 6 (or stirring rope), the structure of motion bar 6 upper ends is seal heads that cooperate with relief tube 4 taper gas outlets, and the top of seal head contacts with the endoporus bottom of pressure limiting valve 1.

Shown in Figure 1, the top of pressure limiting valve 1 is hinged with drop handle 3; Above-mentioned in addition bar shaped blast pipe 2 also can adopt arc-like rows tracheae 2.

In another kind of embodiment shown in Figure 3, pressure cooker pressure limiting device that the utility model spin froth breaking is anti-blocking and embodiment shown in Figure 1 are basic identical, different is that 4 bar shaped blast pipes 2 have developed into the exhaust duct 12 that is built in the disk body 11, and this disk body 11 can be designed to an integral body with pressure limiting valve 1, also can separate, material with different specific weight is made, be fixed together then, the material that pressure limiting valve 1 is selected for use is heavier, the material that disk body 11 is selected for use is lighter, so that when satisfying the pressure limiting condition, required moment of torsion when reducing pressure limiting valve and just having begun to rotate, as shown in Figure 4; This structure adapts to the situation that exhaust duct 12 is arcs equally.

Before employing has the pressure cooker cooking of the utility model pressure limiting device, uncap, renovate, in the process of Xi Gai and Gai Gai, because can relative motion between motion bar 6 and the relief tube 4, greatly reduce relief tube possibility of jamming before pressure cooker uses; And in the digestion process of food, when the steam pressure that is subjected to when pressure limiting valve 1 surpasses safety value, be installed in motion bar 6 in the relief tube 4 and pressure limiting valve 1 jack-up that will be made progress by the pressure in the pot, an annular space occur in the upper end of motion bar 6 and the suit place of relief tube 4; At this moment, the steam of discharging from relief tube 4 divides outside five road directions discharges, wherein a part is seldom discharged by the gap between relief tube 4 and pressure limiting valve 1 endoporus, major part is discharged by the puff prot 8 of four blast pipes 2 respectively, the steam that puff prot 8 from blast pipe 2 is discharged makes pressure limiting valve 1 rotation, because the endoporus bottom of pressure limiting valve 1 contacts with motion bar 6 tops, utilize frictional force between the two to drive motion bar 6 rotations, and drive puddler 5 rotations by motion bar 6; Rotating stirring rod 5 will be stirred brokenly because of the bubble that boiling is risen, also play simultaneously good protective action, the nut 7 that effectively stops the food that held up by bubble and slurries to touch relief tube 4 bottoms enters relief tube 4, avoid causing the obstruction of relief tube 4, guarantee simultaneously to be water vapour, not only played good anti-blocking effect, also kept the sanitation and hygiene of pot cover from the object major part that relief tube 4 is discharged, avoid water and food slurries to overflow and flow on the gas kitchen, prevented the generation of contingency; And the water vapour of discharging is discharged from the puff prot 8 on the blast pipe 2, continues to promote pressure limiting valve 1 and keeps rotation, in addition, in the process of cooking, can check the unimpeded situation of relief tube 4 at any time; When firepower or electric power are turned down, the pressure cooker internal pressure will descend, steam bubble height in the pot also will descend, the pressure and the flow of the steam of discharging also will reduce, and the speed of pressure limiting valve 1 rotation will be by slack-off soon, when the pressure in the pot is reduced to certain pressure, pressure limiting valve will stop operating, the height of motion bar 6 descends, and its upper end pushes back on the sealing surface of relief tube 4, and the pot sealing keep-ups pressure; After the food boiling is finished, do not need to reduce the interior pressure of pot, can directly mention pressure limiting valve, steam is discharged from puff prot and pressure limiting valve endoporus on the blast pipe with cold water, pressure limiting valve and puddler rotate under the effect of steam, thereby reach the purpose of froth breaking, anti-blocking, steam discharge step-down, water saving.

Claims

1. the anti-blocking pressure cooker pressure limiting device of froth breaking spins, comprise the relief tube (4) that is packed on the pot cover (10), be provided with motion bar (6) in the relief tube (4), motion bar (6) upper end has the structure that forms a taper static seal with the upper end of relief tube (4), its lower end is passed relief tube (4) and is stretched in the pot cover (10), also comprise with relief tube (4) suit and be pressed in the pressure limiting valve (1) of motion bar (6) upper end, symmetry on pressure limiting valve (1) the valve wall, evenly have steam vent, it is characterized in that: motion bar (6) lower end of stretching in the pot cover (10) is connected with puddler (5) or stirs rope (5); The steam vent of pressure limiting valve (1) outwards connects blast pipe (2), blast pipe (2) tail end is provided with puff prot (8), the center line of puff prot (8) and pressure limiting valve radially perpendicular, it is towards all making the jet reaction force of producing that pressure limiting valve is rotated in the same direction.

2. the pressure cooker pressure limiting device that spin froth breaking according to claim 1 is anti-blocking is characterized in that: blast pipe (2) place one with disk body (11) that pressure limiting valve (1) is connected in, blast pipe (2) is converted to exhaust duct (12).

3. the pressure cooker pressure limiting device that spin froth breaking according to claim 1 and 2 is anti-blocking is characterized in that: blast pipe (2) is straight tube or is curved pipe; Exhaust duct (12) is straight way or is the arc road.