CN2246981Y - Safety self-lock device for pressure cooker - Google Patents

Abstract

The utility model relates to a safety self lock device for pressure cookers, which belongs to auxiliary safe handling control devices. The utility model is composed of a vapor floating valve rod arranged on a cooker cover, a push plate arranged on an upper handle, a safety rod, a spring, a top rod, and a pin buckle arranged on the top rod. The pressure in the cooker can not be raised when the cooker cover is not tightly closed, and the cooker cover can not be opened when the inner side of the pressure cooker has pressure. A self lock mechanism is connected into integration with the handle. The single package of the handle, the cooker cover, and the cooker body can be realized, and the folding package of the handle with the cooker cover and the cooker body can be realized. The utility model has the advantages of low packaging and transportation cost, convenient installation, convenient use, convenient disassembly, and convenient maintenance.

Description

Pressure cooker uses the insurance self-locking device

The utility model belongs to the pressure cooker auxiliary security and uses control device.

The utility model be 20 days September nineteen ninety-five of Patent Office of the People's Republic of China bulletin the patent No. be improvement project on 94206278.7 " pressure cooker use safeties " scheme basis, this patent disclosure a kind of pressure cooker use safeties, comprise being packed in the upper handle on the pot cover and being packed in the lower handle on pot body and being contained in self-locking mechanism between the lower handle that this self-locking mechanism is made up of the push pedal, safety pole, spring and the push rod that are contained in the easing valve on the pot cover and be contained on the upper handle.Easing valve is packed on the pot cover by the hollow rubber seat.When the pot cover end closed up, push rod was being oppressed O-ring seal, made pressure cooker be in the steam discharge state, can not boost; When has arranged at the steam end in the pot,, thereby can not open pot cover because of the valve rod pinning push pedal of its easing valve can't be moved; When pot inner pressure reached certain limit, easing valve can be let out vapour, reached the effect of common flame-arrester vent plug.Therefore, this device can ensure largely that the user's is safe in utilization.But have two shortcomings: at first entire mechanism must be packed on pot cover or the pot body with handle and sell, otherwise the self-locking mechanism parts will scatter, though having bought, the user can use, but need repair demolition or when installing once more, all quite inconvenient, simultaneously, because of handle takies a large amount of packaging spaces, packing cost and cost of transportation have been increased.Secondly, this easing valve is cover one valve rod in the soft rubber seat, has only a soft boss to play position-limiting action, when pressure enough greatly and stem lower portion when letting out the vapour groove and being blocked, this valve rod may eject, the push pedal and jeopardize user security of breaking.

The purpose of the utility model is to provide a kind of pressure cooker auxiliary security insurance self-locking device that overcomes above-mentioned defective.

Pressure cooker use the insurance self-locking device by be contained in can slide up and down on the pot cover (1) vapour float valve bar (3) be contained in upper handle (9) on can parallel mobile push pedal (4), safety pole (8), spring (13), push rod (12) and place the pin button (16) on the push rod to form, in push pedal (4), have the lockhole that matches with vapour float valve bar (3) top appearance and size, safety pole (8) upper end is connected with push pedal (4), the lower end places in the stopper slot (14) of lower handle (11), be "T"-shaped push rod (12) right-hand member and be with spring (13), and stretch in the through hole on safety pole corresponding (8) with it, but and parallel slip, push rod (12) left end stretches into pot cover (1) and goes up interior and relative with O-ring seal (5) with its through hole that matches, the bottom places in the stopper slot (14) of lower handle (11), push rod (12) right-hand member extends outside the through hole (15) that is mated on the upper handle (9), and be equipped with the pin button (16) of appearance and size stretching out through hole (15) part right-hand member top, said mechanism be defined in form an integral body in the upper handle greater than through hole (15) aperture.

Vapour float valve bar (3) is made " protruding " font, and bottom boss appearance and size goes up the through-hole aperture that cooperates with vapour float valve bar (3) greater than pot cover (1), and is being with sealing ring (3a) by bottom part; The top is equipped with appearance and size and buckles (3b) less than the lockhole aperture that cooperates with it in the push pedal (4) greater than the pin in through hole (2) aperture that cooperates with it on pot cover (1) or the upper handle (8).

Described pin button (16) can be the combination of screw, nut, screw and packing ring or the combination of nut and packing ring.

Described pin button (3b) can be the combination of screw, nut, screw and packing ring or the combination of nut and packing ring.

Described pin button (16) can also be to place push rod (12) right-hand member to stretch out the latch at through hole (15) part top.

When pot cover (1) when the end closes up, push rod (12) makes O-ring seal (5) distortion and is in exhaust condition under spring action, and pot is pressed and can not risen.When had arranged at steam end in the pot, vapour float valve bar (3) did not fall and pins push pedal (4) and make it to drive safety pole (8) and shift out stopper slot (14) on the lower handle (11), and pot cover can't be opened.

Because pin button (16) is defined in push rod (12), spring (13), safety pole parts such as (8) in the upper handle, and unlikely scattering, therefore, pot cover, pot body and handle can separate or superimposed packing, thereby reduce packing cost and cost of transportation, the user also is easy to installation and removal.

Vapour float valve bar (3) low side boss appearance and size makes big than the through hole on the pot cover (2) aperture, and pot inner pressure can not make it the top and launch out and damage.There is pin button (3b) on vapour float valve bar (3) top, in the pot that makes it can not drop.

Below in conjunction with embodiment shown in the drawings, the utility model is further described.

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

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is a vapour float valve bar assembly schematic diagram.

Among the figure 1, pot cover, 2, the through hole on pot cover or the upper handle, 3, vapour float valve bar, 3a sealing ring, 3b pin is buckled, and 4, push pedal, 5, O-ring seal, 6, chute, 7, connecting rod, 8, safety pole, 9, upper handle, 10, the pot body, 11, lower handle, 12, push rod, 13, spring, 14, stopper slot, 15, through hole, 16, pin button.

As shown in Figure 1, the utility model by be contained in can slide up and down on the pot cover (1) vapour float valve bar (3) be contained in upper handle (9) on can be parallel mobile push pedal (4), safety pole (8), spring (13), push rod (12) and place pin on the push rod to buckle (16) to form, push pedal (4) is through the interior parallel slip of chute (6) of upper handle (9) with connecting rod fixed thereon (7), one end has lockhole, and its position is corresponding with vapour float valve bar (3) top of pot cover (1) when closing up; Safety pole (8) upper end socket-connects with connecting rod (7), the centre has the through hole of band stage, the bottom places in the stopper slot (14) of lower handle (11), push rod (12) is made "T"-shaped, its right-hand member is with spring (13), and stretch parallel slip in the circular hole of safety pole (8), stage in the circular hole is made spring (13) base, and push rod (12) left end stretches in the corresponding with it through hole of pot cover (1) relative with O-ring seal (5), when pot cover (1) when the end closes up, push rod (12) roof pressure is on O-ring seal (5), make its distortion, seal not in place, when pot cover (1) when closing up fully, push rod (12) leaves cushion rubber (5) under stopper slot (14) effect.Push rod (12) right-hand member extends outside the through hole (15) on the upper handle (9), and is equipped with pin button (16) on the extension top, promptly screws in a major part screw, so that above-mentioned parts and upper handle fuse.

The shape that the stopper slot (14) of lower handle (11) is determined groove according to the safety pole (8) in the upper handle (9) and push rod (12) need of work, as shown in Figure 2.

Vapour float valve bar (3) as shown in Figure 3, make " protruding " font cylinder of band boss, lower end boss disk diameter is gone up the through-hole aperture that matches with vapour float valve bar greater than pot cover (1), on valve rod, be with sealing ring (3a) near the lower end boss, be equipped with pin button (3b) at vapour float valve masthead end, promptly screw in a screw, its head configuration size is less than the lockhole aperture in the push pedal (4), and the aperture of going up the through hole (2) that matches with it greater than pot cover (1) or upper handle (9).When in the pot vapour pressure being arranged, vapour float valve bar bottom boss and sealing ring (3a) are close to pot cover (1), and the upper end penetrates push pedal (4) lockhole, and pot cover can not be opened, and pot inner pressure can not make vapour float valve bar launch out.Otherwise no pressure in the pot, pin button (3b) tangles vapour float valve bar, in the pot that makes it can not drop.

Obviously, the utility model uses control device as the pressure cooker auxiliary security, and safety performance is strong, safe and reliable, and handle can separate and superimposed packing with pot cover, a pot body, packs and cost of transportation thereby reduce, and it is also very convenient that maintenance is used and dismantled to user installation.

Claims (5)

1, pressure cooker uses the insurance self-locking device, by be contained in can slide up and down on the pot cover (1) vapour float valve bar (3) be contained in upper handle (9) on can parallel mobile push pedal (4), safety pole (8), spring (13), push rod (12) and place the pin button (16) on the push rod to form, in push pedal (4), have the lockhole that matches with vapour float valve bar (3) top appearance and size, safety pole (8) upper end is connected with push pedal (4), the lower end places in the stopper slot (14) of lower handle (11), being "T"-shaped push rod (12) right-hand member is with spring (13) and stretches in the through hole on safety pole corresponding with it (8), but and parallel slip, push rod (12) left end stretches on the pot cover in the through hole with matching and is relative with O-ring seal (5), the bottom places in the stopper slot (14) of lower handle (11), it is characterized in that: push rod (12) right-hand member extends outside the through hole (15) that is mated on the upper handle (9), and is equipped with the pin button (16) of appearance and size greater than through hole (15) aperture stretching out through hole (15) part right-hand member top.

2, pressure cooker according to claim 1 uses the insurance self-locking device, it is characterized in that: vapour float valve bar is made " protruding " font, bottom boss appearance and size is greater than the through-hole aperture that cooperates with valve rod (3) on the pot cover, and is being with sealing ring (3a) by the bottom boss position; The top is equipped with appearance and size less than the lockhole aperture that cooperates with it in the push pedal (4), and buckles (3b) greater than the pin in through hole (2) aperture on pot cover (1) or the upper handle (8).

3, pressure cooker according to claim 1 and 2 uses the insurance self-locking device, it is characterized in that pin button (16) is the combination of screw, nut, screw and packing ring or the combination of nut and packing ring.

4, pressure cooker according to claim 1 and 2 uses the insurance self-locking device, it is characterized in that pin button (3b) is the combination of screw, nut, screw and packing ring or the combination of nut and packing ring.

5, pressure cooker according to claim 1 and 2 uses insurance from pin assembly, it is characterized in that pin button (16) is to place push rod (12) to stretch out the latch at through hole (15) part right-hand member top.

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