CN2471260Y

CN2471260Y - Safety pressure cooker

Info

Publication number: CN2471260Y
Application number: CN 01211187
Authority: CN
Inventors: 梁辉勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-03-19
Filing date: 2001-03-19
Publication date: 2002-01-16
Anticipated expiration: 2011-03-19

Abstract

A new type safe pressure cooker comprises a pot body, a pot lid, a handle and a pressure-limited valve. The peristome of the pot body is provided with turned edge which concaves inward, and the edge of the pot lid is in the inner side of the turned edge, and the edge of the pot lid is provided with a ring groove in which the rubber seal ring is arranged; the center of the pot lid is fixedly connected with a handle seat which is hinged with a handle. A positioning strip is sleeved with the handle seat and also is between the pot lid and the handle, and a spring is arranged between the positioning strip and the pot lid. The pressure cooker presses the turned edge of the pot body through the positioning strip to make the pot lid reversely buckle the inner part of the turned edge of the pot body to guarantee the sealing between the pot lid and the pot body and the utility model can endure high pressure.

Description

The new type of safe pressure cooker

The utility model relates to a kind of kitchen appliance, particularly a kind of pressure cooker.

Pressure cooker is subjected to liking of consumers in general owing to having advantages such as cooking speed is fast, power consumption is few.But pressure cooker in use can produce higher pressure in the pot, if improper use or pressure cooker self product quality has problem, just might cause the generation of pressure cooker explosion accident.In fact, in actual life, the explosion accident of pressure cooker happens occasionally.This impels people to remove the safer more reliable novel pressure cooker of research and design.At present, many people have proposed various new design, and have applied for patent.As " the revolving type age of a draught animal flange pressure cooker " that Chinese patent 99254840.3 provides, it is that peristoma at the pot body is provided with flange, and the upper limb of flange is a plane, and its outer rim is the shirt rim perpendicular to this plane.This pressure cooker is to utilize it not to be prone to the generation of grinding one's teeth or opening and closing incomplete phenomena, improves its security.In addition, Chinese patent 97248167.2 provides a kind of family expenses pressure cooker with pressing cover, it is made up of pot body, pot cover, handle, spring beam, adjusting knob, pressure limiting valve, pot button, is provided with anti-skidding safeties between its spring beam and the handle, and it is safer, more convenient that pressure cooker is used.Take a broad view of the various novel pressure cookers that people carry, its advantage is separately all arranged, particularly when user's proper operation, all can guarantee the safety of pressure cooker.But people unavoidably have maloperation and occur in actual use, thereby cause the generation of peril.Therefore, how also can very guarantee that reliably pressure cooker can not explode when the situation of maloperation appears in people, be a problem that merits attention.

The purpose of this utility model is exactly at the problems referred to above, provides a kind of both easy to use, reaches the new type of safe pressure cooker that can explode in no instance again.

For achieving the above object, the utility model has adopted following technical proposal: this new type of safe pressure cooker comprises pot body and pot cover, the sidepiece handle that is being connected of pot body, pot cover is provided with pressure limiting valve, the peristoma of pot body is provided with inwardly recessed turning edge, the edge of pot cover is positioned at the inboard that turns edge, and on the edge of pot cover annular groove is arranged, and rubber seal is positioned at this groove; The center of the pot cover handle seat that is being connected, handle and handle seat are hinged, and positioning strip is socketed on the handle seat, and between pot cover and handle, also is provided with spring leaf between positioning strip and the pot cover.

When this pressure cooker used, by pulling handle, turning edge of positioning strip roof pressure pot body made the turn edge inboard of pot cover left-hand thread in the pot body.Be provided with rubber seal owing to the pot cover edge and between turning edge, can guarantee the sealing of pot cover and pot body.After pressure cooker was finished using, along pulling handle in the other direction, positioning strip upwards takeoff under the effect of spring leaf, and pot cover is separated with the pot body.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is the generalized section of new type of safe pressure cooker when pot cover closes that the utility model provides.

Fig. 2 is the generalized section of new type of safe pressure cooker when pot cover does not close that the utility model provides.

Fig. 3 is the pot cover vertical view of the new type of safe pressure cooker that provides of the utility model.

Fig. 4 is the schematic diagram of pot cover and pot body contact position in the new type of safe pressure cooker that provides of the utility model.

Fig. 5 is the generalized section of safety valve in the new type of safe pressure cooker that provides of the utility model.

As Fig. 1, Fig. 2 and shown in Figure 3, this new type of safe pressure cooker is made up of pot body 1, pot cover 2 and rubber seal 3, and handle 5, handle seat 6, positioning strip 8, spring leaf 7, pressure limiting valve 9 are arranged on the pot cover 2.Handle seat 6 is positioned at the center of pot cover 2, and pressure limiting valve 9 then is positioned at the position of pot cover 2 off-centre.Positioning strip 8 is socketed on the handle seat 6, can move up and down.Between positioning strip 8 and the pot cover 2 spring leaf 7 is set.Under the situation that is not subjected to external force, spring leaf 7 makes positioning strip 8 be in position away from pot cover 2.Handle 5 and handle seat 6 are articulated in the upper end of handle seat 6.Because handle 5 is arranged, positioning strip 8 can not break away from handle seat 6.The both sides of pot body 1 are provided with handle 4.

When using this new type of safe pressure cooker, the edge of pot cover 2 is positioned at 10 inboards that turn edge of pot body 1, and by pulling handle 5, what make that pot cover 2 and positioning strip 8 clamp pot body 1 turns edge 10.Rubber seal 3 is positioned at the annular groove 20 at pot cover 2 edges, seals.Turn edge 10 bead of the edge of pot cover 2 and pot body is ellipse, and the ellipse short shaft length at pot cover 2 edges is slightly less than the transverse length of 10 beads that turn edge, but is slightly larger than the ellipse short shaft length of 10 beads that turn edge; The transverse length at pot cover 2 edges is slightly larger than the transverse length of 10 beads that turn edge.Such size relationship makes pot cover 2 can pass in and out pot body 1 smoothly, again can be when pot cover 2 be arranged in pot body 1 turning edge of pot body 1 10 can fasten pot cover 2.

As shown in Figure 1 and Figure 4, turning edge in the present embodiment 10 is provided with two recess 10a, and the position of recess 10a is corresponding to the bottom, two ends 80 of positioning strip 8.When pot cover 2 was fastened on pot body 1, the bottom 80 at positioning strip 8 two ends entered among these two recess 10a.Can make pot cover 2 positions can slippage like this, prevent inconsistent phenomenon.

As depicted in figs. 1 and 2, the axle center of handle 5 and handle seat 6 hinged place pivots 11 to the distance of handle top margin 51 less than distance to handle side 52, and the junction of handle top margin 51 and side 52 is smooth circular-arc edge.When handle 5 was in position perpendicular to pot cover 2, the top margin 51 of handle 5 contacted with positioning strip 8; When handle 5 was in the position that is parallel to pot cover 2, handle side 52 contacted with positioning strip 8.Since pivot 11 axle center to the distance of handle top margin 51 less than distance to handle side 52, so go to the process that is parallel to pot cover 2 from the position perpendicular to pot cover 2 at handle 5, handle 5 can make positioning strip 8 press down.By pressing down, positioning strip 8 and pot cover 2 are clamped pot body 1.Handle top margin 51 adopts smooth circular-arc edge with the junction of side 52, can make the rotation of handle 5 laborsaving, is convenient to operation.

In this new type of safe pressure cooker, also safety valve can be set on the pot cover 2.As shown in Figure 5, safety valve is made up of valve body 13, valve rod 12 and seal washer 14 in the present embodiment.Valve rod 12 can move up and down in valve body 13.Seal washer 14 is positioned at valve rod 12 bottoms.When pot inner pressure greater than pot outside the time, the inside and outside pressure differential of pot can make valve rod 12 rise, the seal washer 14 on the valve rod 12 is close on the valve body 13, safety valve cuts out.At this moment, valve rod 12 stretches out pot cover 2.As shown in Figure 3, match with safety valve, the sidepiece of handle 5 is provided with projection 50, has circular hole 50a on the projection 50; When handle 5 is in the position parallel with pot cover 2, this circular hole 50a be in above-mentioned safety valve valve rod 12 directly over.This shows that in case have in the pot greater than the outer air pressure of pot, valve rod 12 rises, and will insert among the circular hole 50a of handle 5 sidepiece projections 50.Like this, handle 5 is being pulled to perpendicular to the position of pot cover 2 time and will be blocked.Therefore, could the opening pressure pot when this device can guarantee not to be higher than in the pot the outer air pressure of pot, play safety operation.

The practical operation of this new type of safe pressure cooker is very convenient.Closing when covering, pot cover 2 is being entered turn edge 10 inboard, then the bottom, two ends 80 of positioning strip 8 is being aimed at the recess 10a that turns edge on 10, pulling handle 5 to the position that is parallel to pot cover 2 at last and get final product.And the process of uncapping is just opposite.Owing to have safety device, after descending, valve rod only equal at the pot inner and outer air pressure, safety valve just can uncap.

Compared with prior art, the utlity model has following advantages:

1, in this safety pressure cooker, pot body turns edge because the pot cover edge is positioned at Side, so this pressure cooker can bear higher pressure, and the accident of can not blasting.

2, the rubber seal for sealing is arranged in the annular groove of pot cover, at pressure Can directly not contact with food in the pot in the pot use procedure, can prolong the use of rubber seal In the life-span, improve the sealing property of this pressure cooker.

3, use the handle operation that is positioned at the pot cover center, very convenient laborsaving, have higher Practical value.

Claims

1, a kind of new type of safe pressure cooker, comprise a pot body (1) and pot cover (2), the sidepiece handle (4) that is being connected of pot body (1), pot cover (2) is provided with pressure limiting valve (9), the peristoma that it is characterized in that described pot body (1) is provided with inwardly recessed turning edge (10), the edge of pot cover (2) is positioned at the inboard of turn edge (10), and on the edge of pot cover (2) annular groove (20) is arranged, and rubber seal (3) is positioned at this groove (20); The center of pot cover (2) the handle seat (6) that is being connected, handle (5) is hinged with handle seat (6), and positioning strip (8) is socketed on the handle seat (6), and is positioned between pot cover (2) and the handle (5), also is provided with spring leaf (7) between positioning strip (8) and the pot cover (2).

2, new type of safe pressure cooker according to claim 1, it is characterized in that the turn edge bead of (10) of the edge of described pot cover (2) and pot body is ellipse, and the ellipse short shaft length at pot cover (2) edge is slightly less than the transverse length of (10) bead that turns edge, but is slightly larger than the ellipse short shaft length of (10) bead that turns edge; The transverse length at pot cover (2) edge is slightly larger than the transverse length of (10) bead that turns edge.

3, new type of safe pressure cooker according to claim 2, the axle center that it is characterized in that described handle (5) and handle seat (6) hinged place pivot (11) to the distance of handle top margin (51) less than distance to handle side (52), and the junction of handle top margin (51) and side (52) is smooth circular-arc edge.

4, according to claim 1,2 or 3 described new type of safe pressure cookers, it is characterized in that described turning edge (10) is provided with two recesses (10a), the position of recess (10a) is corresponding to the bottoms, two ends (80) of positioning strip (8).

5, according to claim 1,2 or 3 described new type of safe pressure cookers, it is characterized in that on the described pot cover (2) safety valve being set.

6, new type of safe pressure cooker according to claim 5 is characterized in that described safety valve is made up of valve body (13), valve rod (12) and seal washer (14).

7, new type of safe pressure cooker according to claim 6 is characterized in that the sidepiece of described handle (5) is provided with projection (50), has circular hole (50a) on the projection (50); When handle (5) is in the position parallel with pot cover (2), this circular hole (50a) be in above-mentioned safety valve valve rod (12) directly over.