CN2265142Y - Safety explosion-proof pressure cooker - Google Patents

Abstract

The utility model relates to a safety explosion-proof pressure cooker. A cooker lid of the utility model is provided with a safety inverted valve composed of a valve handle, a valve body, a valve core, a pressure spring and a pressure piece. An explosion-proof mechanism is arranged between an upper handle and a lower handle. The explosion-proof mechanism is composed of a swing rod, a push rod, a swing pin, a torsion spring, a pressure plate, a button, a pullback spring, etc. A self-locking valve is arranged at the edge of the cooker lid at the lower part of the upper handle, which is composed of a self-locking valve core, a safety piece, a end plug and a sealing gasket. When the upper handle and the lower handle of the utility model are not locked, pressure in the utility model does not rise. When the pressure in the utility model is more than 5KPa, the cooker lid can not be opened. When the pressure limiting valve is out of order, the safety inverted valve can realize decompression with a high flow rate. When the safety inverted valve is out of order again, then the self-locking valve relieves pressure.

Description

The safety anti-explosive pressure cooker

The utility model relates to a kind of family expenses pressure cooker.

Pressure cooker is as a kind of modern mess kit, owing to it saves time, advantage energy-conservation, the unique flavor of cooking has become huge numbers of families' daily necessities.Along with improving constantly of people's living standard, people's security need be realized more and more strong, and consumers in general appeal that strongly pressure cooker manufacturer produces many insurances, the safe pressure cooker of explosion-proof type.Country has issued the GB13623-92 compulsory standard at the use problem of pressure cooker, but does not have really to realize insuring, particularly the pressure cooker of explosion prevention function is sold as yet on the market so far more.

The purpose of this utility model is to overcome the defective of existing pressure cooker explosion-proof security difference, provides a kind of when pot cover is not built, and pot inner pressure can not rise; And when pot inner pressure when 5kpa is above, pot cover can't be opened again; Malfunctioning when pressure limiting valve, when pot inner pressure rose up to 130～180kpa, the valve handle of automatic safe pressure control valve can be toppled over automatically, can realize big flow pressure release insurance, guaranteed the pressure cooker that pressure cooker can not explode.

Task of the present utility model realizes in the following manner: this safety anti-explosive pressure cooker comprises pot cover, the pot body, pressure limiting valve, upper handle and lower handle, pot cover is provided with by valve body, spool, sealing gasket, the safe pressure control valve that nut and stage clip are formed, the rotation of stage clip top is pressed into a compressing tablet, the spool upper end is provided with valve handle by pin, between upper handle and lower handle, be provided with a rocking bar and a push rod, in the middle part of rocking bar, be provided with and ship and resell on another market, ship and resell on another market and pass push rod and be contained in the upper handle left part, the bottom of shipping and reselling on another market is provided with torsion spring and pressing plate, in the kidney slot of upper handle push button is housed, the push button below is provided with tension spring pin, between tension spring pin and push rod, be provided with extension spring, the lower handle head is processed with the left side and is arc, the right side is the stopper slot of swallow-tail form, below being positioned at rocking bar on the pot cover, be provided with the self-locking spool, the spool middle part has the steam discharge aperture, and the spool bottom is provided with safety plate, plug and sealing gasket.

When the utility model did not overlap with lower handle when upper handle, promptly pot cover did not fasten when putting in place with the pot body, and pot inner pressure can not rise, and can guarantee to close the peaceful property of lid; When pressure (greater than 5kpa) was arranged in the pot, pot cover can't be opened again, had promptly guaranteed the security of uncapping, and can not hindered by hot cold perm in the pot because of uncapping by force; When pressure limiting valve and safety valve were malfunctioning, when pot inner pressure was increased to 130～180kpa, the valve handle of safe pressure control valve was toppled under the effect of pot internal gas pressure and big flow pressure release automatically, guaranteed that pressure cooker can quick-fried pot.In use also malfunctioning as the safety pressure control valve, then the low-melting alloy safety plate of self locking safety spool bottom can melt when pot inner pressure reaches 180～220kpa, big flow pressure release.

The utility model meets the GB13623-92 standard, have simple in structure, use reliable, good manufacturability, advantage such as cheap.

Concrete structure of the present utility model is provided by drawings and Examples.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the partial top view of lower handle among Fig. 1.

Below in conjunction with drawings and Examples the utility model is described in more detail.

Embodiment 1:

With reference to Fig. 1, Fig. 2, this safety anti-explosive pressure cooker comprises pot cover 2, pot body 1, pressure limiting valve 11, upper handle 14 and lower handle 24, between upper handle 14 and lower handle 24, be provided with explosion-proof self-locking mechanism, pot cover 2 is provided with by valve body 4, spool 9, sealing gasket 10, the safe pressure control valve that nut 3 and stage clip 8 are formed, stage clip 8 tops are provided with compressing tablet 7, compressing tablet 7 is to rotate a certain angle after the top from valve body 4 is pressed into to push down stage clip 8, valve handle 5 is equipped with by pin 6 in spool 9 upper ends, between upper handle 14 and lower handle 24, be provided with a rocking bar 16 and a push rod 20, be provided with at rocking bar 16 middle parts and ship and resell on another market 17, ship and resell on another market and 17 pass push rod 20 and be contained in upper handle 14 left parts, 17 bottoms of shipping and reselling on another market are provided with torsion spring 19 and pressing plate 15, red push button 21 is housed in the kidney slot 25 of upper handle 14, push button 21 belows are provided with tension spring pin 23, between tension spring pin 23 and push rod 20, be provided with extension spring 22, lower handle 24 heads are processed with the left side and are arc, the right side is the stopper slot 26 of swallow-tail form, below being positioned at rocking bar 16 left ends on the pot cover 2, be provided with self-locking spool 13, spool 13 middle parts have the steam discharge aperture, spool 13 bottoms have been pressed into low-melting alloy safety plate 27 by plug 29 tight fits, also are provided with sealing gasket 12 between spool 13 bottoms and the pot cover 2.In addition, also be provided with mark 18 on the surface of pot cover 2.

Operation principle of the present utility model is as follows: when upper handle 14 and lower handle 24 do not fasten when not putting in place, rocking bar 17 is under the effect of torsion spring 19, and its head is lived the half-edge hole of latching valve spool 13 to each deflection as final pressure, make in the pot and link up, guarantee that pot inner pressure can not rise with extraneous.When the intact gold of last lower handle fastens, shaking the lower end of cash 16 is bumped by the stopper slot in the lower handle 24 26, make the deflection to the right of its head, leave spool, the lower end of push rod 20 is driven down after push rod 20 reaches again under the effect of torsion spring 19 by the effect on lower handle 24 inclined-planes, make the self-locking in the stopper slot 26 of lower handle 24 of growing into of lower end moment of push rod 20, guaranteed the normal occlusion lid operation of pressure cooker.When the user wants to open pot cover, uncap by force if forgotten to unload pressure limiting valve, then spool 13 is held up by the pot internal gas pressure, blocked the front end of push rod 20, promptly use push button also can't push away movingly, that is to say that the lower end of push rod 20 also can't skid off the square groove in the lower handle at this moment, pot cover also just can't be opened.After pressure limiting valve is malfunctioning, when pot inner pressure rises to 160 ± 20kpa, the valve handle 5 of safe pressure control valve just can be toppled over automatically, big flow pressure release, if it is malfunctioning that safe pressure control valve in use continues, then the self-locking low-melting alloy safety plate 27 of pacifying golden spool 13 bottoms melts when pot inner pressure reaches 180～220kpa, big flow pressure release, thus quick-fried pot can not take place with heavy proof pressure pot.

Claims (1)

1, a kind of safety anti-explosive pressure cooker, comprise pot cover (2), pot body (1), pressure limiting valve (11), upper handle (14) and lower handle (24), between upper handle (14) and lower handle (24), be provided with explosion-proof self-locking mechanism, it is characterized in that: pot cover (2) is provided with by valve body (4), spool (9), sealing gasket (10), the safe pressure control valve that nut (3) and stage clip (8) are formed, the rotation of stage clip (8) top is pressed into a compressing tablet (7), spool (9) upper end is provided with valve handle (5) by pin (6), between upper handle (14) and lower handle (24), be provided with a rocking bar (16) and a push rod (20), be provided with ship and resell on another market (17) at rocking bar (16) middle part, ship and resell on another market (17) pass push rod (2) and be contained in upper handle (14) left part, (17) bottom of shipping and reselling on another market is provided with torsion spring (19) and pressing plate (15), be equipped with to push away in the kidney slot (25) of upper handle (14) and turn round (21), push button (21) below is provided with tension spring pin (23), between tension spring pin (23) and push rod (20), be provided with extension spring (22), lower handle (24) head is processed with the left side and is arc, the right side is the stopper slot (26) of swallow-tail form, on pot cover (2), be positioned at rocking bar (16) left end below and be provided with self-locking spool (13), spool (13) middle part has the steam discharge aperture, spool (13) bottom is provided with safety plate (27), plug (28) and sealing gasket (12).