CN2807996Y - Pressure-regulating and limiting valve for pressure cooker - Google Patents
Pressure-regulating and limiting valve for pressure cooker Download PDFInfo
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- CN2807996Y CN2807996Y CN 200520042186 CN200520042186U CN2807996Y CN 2807996 Y CN2807996 Y CN 2807996Y CN 200520042186 CN200520042186 CN 200520042186 CN 200520042186 U CN200520042186 U CN 200520042186U CN 2807996 Y CN2807996 Y CN 2807996Y
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Abstract
The utility model provides a pressure regulating and limiting valve for a pressure cooker, which belongs to the technical field of daily articles and relates to a pressure limiting valve which can regulate operating pressure of the pressure cooker. The pressure regulating and limiting valve for a pressure cooker is arranged on an exhaust pipe of a pressure cooker cover. A pressure regulating seat is arranged between a valve seat and a valve core, forms a cylindrical shape and is provided with a bottom face. The pressure regulating seat is sheathed on the exhaust pipe and rotates around the exhaust pipe which is taken as a shaft center. The side face of the pressure regulating seat is provided with two symmetric notches which are provided with steps. The valve core is composed of an inner valve core and an outer valve core which are sheathed together. An apex is positioned in the outer valve core. The side part of the inner valve core is provided with two blocking heads. The valve core seat is provided with two clamping slots which correspond to the blocking heads. The blocking heads penetrate through sliding slots on the outer valve core and the notches of the pressure regulating seat and are clamped in the clamping slots of the valve seat. The pressure regulating and limiting valve for a pressure cooker has two gears of operating pressure and an exhaust gear, is capable of fully satisfying actual requirements for users and simultaneously has the advantages of very convenient performance and stable and reliable use.
Description
Technical field
The utility model belongs to the articles for daily use technical field, relates to the pressure limiting valve that uses on a kind of pressure cooker, particularly the pressure limiting valve of adjustable pressure pot operating pressure size.
Background technology
Pressure limiting valve is installed on the blast pipe of pressure cooker lid, by its restriction pot inner pressure.Existing pressure limiting valve has only one grade of operating pressure usually, when the pot internal gas pressure is higher than the operating pressure that sets with regard to exhaust.
But, in actual use, need to cook different food in the pressure cooker.The optimum working pressure that cooking different foods needs is inequality, as: the optimum pressure of cooking rice is 0.2-0.5kg/cm
2, the optimum pressure that boils pig's feet is 1-1.2kg/cm
2To this, existing method is to set up a weight on the valve body of pressure limiting valve.Utilize weight to be positioned on the valve body, increase the weight of pressure limiting valve, improve the operating pressure of pressure limiting valve.Though existing method is feasible, operate cumbersome.Simultaneously, owing to weight separates with the pressure limiting valve valve body, so weight is lost easily when reality is used.
For this reason, Chinese patent 02217714.0 provides a kind of " pressure cooker adjustable pressure limiting valve ", and it also is the weight that increases pressure limiting valve self by the weight principle, and the operating pressure of pressure cooker is changed.The weight of its controlled pressure pot exhaust has third gear, and first grade is the weight when not adding weight and lower heavy punch; Second grade is the weight of going up of spool when tangling weight; Third gear tangles the weight of lower heavy punch on by lower draw-bar on second grade basis.Obviously, it is to control a pot internal gas pressure by the different weight of upper and lower hook hanging support on the spool.Therefore, the pressure cooker that this pressure limiting valve is housed just can satisfy the demand of cooking different foods.
But this pressure limiting valve part is too much, and it is too complicated that structure seems, makes the cost of product higher, and cleans also inconvenient in use.
In addition, after this pressure limiting valve used a period of time, the elasticity that is stuck in the jump ring on the blast pipe might lose efficacy.Top might being pressed at a slant on the blast pipe will cause poorly sealedly like this, and pressure cooker can't normally be used.Therefore, its poor stability.
The pressure limiting valve of existing other structure also exists similar problem.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of existing limiting valve of pressure cooker, and a kind of pressure cooker pressure-regulating and pressuring-limiting valve is provided, and it has simple in structure, easy to adjust, stable and reliable operation characteristics by stack Weight control pot inner pressure.
The purpose of this utility model can realize by following technical proposal: this pressure cooker pressure-regulating and pressuring-limiting valve is arranged at the blast pipe place of pressure cooker lid, a valve seat is being connected on the pot cover, be provided with spool in the valve seat, have top in the spool, top being buckled on the blast pipe, on spool, be provided with steam vent, it is characterized in that, between valve seat and spool, be provided with a pressure regulating seat that is cylindric and has the bottom surface, pressure regulating seat is placed on the blast pipe and can blast pipe is that rotate in the axle center, have the breach that has step of two symmetries in the side of pressure regulating seat, above-mentioned spool is made up of the inner spool that connects together and outer spool, the above-mentioned top outer spool that is positioned at, the sidepiece of inner spool is provided with two retaining heads, have two draw-in grooves corresponding to the retaining head on the valve seat, the retaining head passes the chute on the outer spool, the breach of pressure regulating seat is stuck in the draw-in groove of valve seat.
This pressure cooker pressure-regulating and pressuring-limiting valve is the gravity that utilizes spool self, with top being pressed on the blast pipe on the spool, makes blast pipe keep sealing.Like this, the air pressure in the pot will rise in the pressure cooker use.When the air pressure in the pot reaches the value that sets, the pressure of gas act on top on, can make spool overcome self gravitation and rise, the gas in the pot just outwards discharges from the steam vent of blast pipe on valve seat.
When needing to regulate pot inner pressure, rotate pressure regulating seat.In rotation process, the retaining head motionless draw-in groove that is fixed blocks, and the retaining head can only be moved up and down in the breach of pressure regulating seat, moves on the different step in pressure regulating seat both sides, makes to move on the inner spool or descend.When the inner spool raised state, inner spool is not pressed on the outer spool, makes the gravity that acts on top have only the weight of outer spool; When inner spool descended, inner spool was pressed on the outer spool, and making the gravity that acts on top is inner spool and outer spool weight together.Obviously, when inner spool descended, the operating pressure of pressure cooker had improved.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described outer spool lower inside is provided with the convex edge, and the inner spool outside is provided with shoulder block, and shoulder block is pressed on the convex edge when inner spool is in the decline state.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, step on the described breach has three planes of highly differing, be respectively first plane, second plane, the 3rd plane from low to high, be the inclined-plane between between first plane and second plane and second plane and the 3rd plane and be connected.By the inclined-plane, pressure regulating seat can make the retaining head rise smoothly in rotation process or drop on arbitrary plane.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, when the retaining head was positioned at place, first plane, the shoulder block of inner spool was pressed on the convex edge of outer spool, top being buckled on the blast pipe.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, when the retaining head was positioned at place, second plane, the shoulder block of inner spool was not pressed on the convex edge of outer spool, top being buckled on the blast pipe.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, when the retaining head was positioned at place, the 3rd plane, the shoulder block of inner spool made the top blast pipe mouth of pipe that leaves in the outer spool simultaneously with moving in the whole picking-up of outer spool.
Obviously, these three planes at retaining head place correspond respectively to the high workload pressure shelves of pressure cooker, low operating pressure shelves and exhaust shelves.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, the described pressure regulating seat lateral surface dead man that is being connected.By pulling dead man pressure regulating seat is rotated.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described outer spool is the structure that adopts plastics and metal displacer to lump together.
In above-mentioned pressure cooker pressure-regulating and pressuring-limiting valve, described inner spool is the structure that adopts plastics and metal displacer to lump together.
In plastics, embed metal, can increase the own wt of outer spool and inner spool.
Compared with prior art, the advantage of pressure cooker pressure-regulating and pressuring-limiting valve of the present utility model is:
1, this pressure cooker pressure-regulating and pressuring-limiting valve is controlled pot inner pressure by the weight of spool self, its simple and reasonable, good reliability.
2, this pressure cooker pressure-regulating and pressuring-limiting valve has two grades of operating pressures and exhaust shelves, makes the user that multiple choices can be arranged as required, can fully satisfy user's actual needs; Simultaneously, when regulating the pressure gear,, easy to operate as long as pull dead man.
3, move up and down in pressure regulating seat owing to spool, the top blast pipe that is right against all the time on the spool, reliable and stable in use.
Description of drawings
Fig. 1 is this pressure cooker pressure-regulating and pressuring-limiting valve is in the decline state at spool a structural representation.
Fig. 2 is this pressure cooker pressure-regulating and pressuring-limiting valve is in raised state at spool a structural representation.
Fig. 3 is this pressure cooker pressure-regulating and pressuring-limiting valve side view.
Among the figure, 1, valve seat; 11, draw-in groove; 2, pressure regulating seat; 21, dead man; 22, step; 221, first plane; 222, second plane; 223, the 3rd plane; 224, inclined-plane; 3, spool; 4, outer spool; 41, top; 42, chute; 43, convex edge; 44, steam vent; 5, inner spool; 51, retaining head; 52, shoulder block; 6, blast pipe.
The specific embodiment
As depicted in figs. 1 and 2, this pressure cooker pressure-regulating and pressuring-limiting valve is installed in blast pipe 6 places of pressure cooker lid, and it comprises parts such as valve seat 1, pressure regulating seat 2, spool 3.
Valve seat 1 is a cylindrical shape that the bottom surface is arranged, and its bottom surface is fixed on the pot cover at blast pipe 6 places.The side of valve seat 1 has twice draw-in groove 11.
As shown in Figure 2, a pressure regulating seat 2 is housed in the valve seat 1, pressure regulating seat 2 is cylindric and has the bottom surface, and the bottom surface of pressure regulating seat 2 is enclosed within on the blast pipe 6, and can be that rotate in the axle center with blast pipe 6.In the present embodiment, pressure regulating seat 2 sides are extended with a dead man 21, just can drive pressure regulating seat 2 rotations easily by pulling dead man 21.
As shown in Figure 3, the side of pressure regulating seat 2 has the breach of two symmetries, is formed with step 22 on this breach.Form three planes of highly differing by step 22, be respectively from low to high: first plane 221, second plane 222, the 3rd plane 223.Being connected by inclined-plane 224 between first plane 221 and second plane 222, also is to be connected by inclined-plane 224 between second plane 222 and the 3rd plane 223.
As depicted in figs. 1 and 2, have spool 3 in the pressure regulating seat 2, spool 3 is made up of outer spool 4 and inner spool 5.In the present embodiment, outer spool 4 and inner spool 5 all are the structures that adopt metal and plastics to be entrenched togather.
The top of outer spool 4 has a steam vent 44, the inside of outer spool 4 have one top 41, this top 41 is withheld on blast pipe 6 mouths of pipe, and blast pipe 6 is sealed up, and pot inner pressure can be risen.Inner spool 5 is socketed in the outer spool 4, and in the present embodiment, outer spool 4 lower inside have convex edge 43, and inner spool 5 outsides have shoulder block 52, and the shoulder block 52 of inner spool 5 is blocked on the convex edge 43, and inner spool 5 can not come off in outer spool 4.
The sidepiece of inner spool 5 is provided with two retainings 51, and the sidepiece of spool 4 has two chutes 42 outside.Retaining 51 is positioned at chute 42, and can move up and down in chute 42, and the breach that pressure regulating seat 2 is passed in the outer end of retaining 51 is stretched in the draw-in groove 11 of valve seat 1.
As depicted in figs. 1 and 2, when regulating pot inner pressure, pull dead man 21, making pressure regulating seat 2 is that rotate in the axle center with blast pipe 6.Because retaining 51 is stretched in the breach of pressure regulating seat 2 and the draw-in groove 11 that valve seat 1 is stretched in its outer end, and valve seat 1 is fixed.So retaining 51 will be along rising on the different planes on inclined-plane 224.
When retaining 51 was positioned at 221 places, first plane, the shoulder block 52 in inner spool 5 outsides was pressed on the convex edge 43 of outer spool 4 inboards, made that top 41 gravity that are pressed on the blast pipe 6 are the gross weight of inner spool 5 and outer spool 4.At this moment, be maximum gear for operating pressure in the pot.
When retaining 51 contacted with second plane 222, second plane 222 makes on the inner spool 5 to be moved, and inner spool 5 is not pressed on the outer spool 4, and top 41 gravity that are pressed on the blast pipe 6 only are the weight of outer spool 4.At this moment, be second gear, the operating pressure of pressure cooker is lower.
When retaining 51 contact with the 3rd plane 223, the 3rd plane 223 made top 41 disengaging blast pipes 6 by keeping off 51 with whole spool 3 jack-up.At this moment, pressure cooker is in the exhaust gear, can not produce high pressure in the pot, can be used as ordinary pan and uses.
Claims (9)
1, a kind of pressure cooker pressure-regulating and pressuring-limiting valve, the blast pipe (6) that is arranged at pressure cooker lid is located, a valve seat (1) is being connected on the pot cover, be provided with spool (3) in the valve seat (1), have in the spool (3) top (41), top (41) are buckled on the blast pipe (6), on spool (3), be provided with steam vent (44), it is characterized in that, between valve seat (1) and spool (3), be provided with a pressure regulating seat that is cylindric and has the bottom surface (2), pressure regulating seat (2) is placed on the blast pipe (6) and can blast pipe (6) is that rotate in the axle center, have the breach that has step (22) of two symmetries in the side of pressure regulating seat (2), above-mentioned spool (3) is made up of inner spool that connects together (5) and outer spool (4), above-mentioned top (41) are positioned at outer spool (4), the sidepiece of inner spool (5) is provided with two retaining heads (51), have two draw-in grooves (11) on the valve seat (1) corresponding to retaining head (51), retaining head (51) passes the chute (42) on the outer spool (4), the breach of pressure regulating seat (2) is stuck in the draw-in groove (11) of valve seat (1).
2, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 1, it is characterized in that, described outer spool (4) lower inside is provided with convex edge (43), and inner spool (5) outside is provided with shoulder block (52), and shoulder block (52) is pressed on the convex edge (43) when inner spool (5) is in the decline state.
3, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 2, it is characterized in that, step on the described breach (22) has three planes of highly differing, be respectively first plane (221), second plane (222), the 3rd plane (223) from low to high, be inclined-plane (224) between between first plane (221) and second plane (222) and second plane (222) and the 3rd plane (223) and be connected.
4, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 3, it is characterized in that, be positioned at first plane (221) when locating when keeping off head (51), the shoulder block (52) of inner spool (5) is pressed on the convex edge (43) of outer spool (4), and top (41) are buckled on the blast pipe (6).
5, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 3, it is characterized in that, be positioned at second plane (222) when locating when keeping off head (51), the shoulder block (52) of inner spool (5) is not pressed on the convex edge (43) of outer spool (4), and top (41) are buckled on the blast pipe (6).
6, pressure cooker pressure-regulating and pressuring-limiting valve according to claim 3, it is characterized in that, be positioned at the 3rd plane (223) when locating when keeping off head (51), the shoulder block (52) of inner spool (5) will move in the whole picking-up of outer spool (4), make top (41) in the outer spool (4) to leave blast pipe (6) mouth of pipe simultaneously.
7, according to each described pressure cooker pressure-regulating and pressuring-limiting valve of claim 1 to 6, it is characterized in that described pressure regulating seat (2) the lateral surface dead man (21) that is being connected.
According to each described pressure cooker pressure-regulating and pressuring-limiting valve of claim 1 to 6, it is characterized in that 8, described outer spool (4) is the structure that adopts plastics and metal displacer to lump together.
According to each described pressure cooker pressure-regulating and pressuring-limiting valve of claim 1 to 6, it is characterized in that 9, described inner spool (5) is the structure that adopts plastics and metal displacer to lump together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042186 CN2807996Y (en) | 2005-06-06 | 2005-06-06 | Pressure-regulating and limiting valve for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042186 CN2807996Y (en) | 2005-06-06 | 2005-06-06 | Pressure-regulating and limiting valve for pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2807996Y true CN2807996Y (en) | 2006-08-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520042186 Expired - Lifetime CN2807996Y (en) | 2005-06-06 | 2005-06-06 | Pressure-regulating and limiting valve for pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2807996Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797118B (en) * | 2010-01-26 | 2012-07-04 | 浙江苏泊尔股份有限公司 | Gravity-type pressure-regulating and pressuring-limiting valve |
| CN102743098A (en) * | 2012-06-15 | 2012-10-24 | 浙江永达不锈钢制品有限公司 | Pressure regulating valve of pressure cooker |
| CN106763806A (en) * | 2016-12-15 | 2017-05-31 | 市下控股有限公司 | The pressure-regulating valve of spray gun of sprayer |
| CN108135379A (en) * | 2015-11-02 | 2018-06-08 | 三菱电机株式会社 | Heating device and lid |
| CN108968667A (en) * | 2018-05-15 | 2018-12-11 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
| CN109864563A (en) * | 2019-03-26 | 2019-06-11 | 青岛乐家电器有限公司 | Electric cooker steam valve gear and electric cooker |
| CN110638321A (en) * | 2018-06-27 | 2020-01-03 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance and exhaust control method thereof |
| CN110801149A (en) * | 2018-08-06 | 2020-02-18 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance, pressure maintaining control method and device |
| CN110870686A (en) * | 2018-08-29 | 2020-03-10 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and pot lid subassembly that is used for cooking utensil |
| CN110870697A (en) * | 2018-08-30 | 2020-03-10 | 佛山市顺德区美的电热电器制造有限公司 | Exhaust valve, pot cover assembly, cooking utensil and exhaust valve core |
-
2005
- 2005-06-06 CN CN 200520042186 patent/CN2807996Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797118B (en) * | 2010-01-26 | 2012-07-04 | 浙江苏泊尔股份有限公司 | Gravity-type pressure-regulating and pressuring-limiting valve |
| CN102743098A (en) * | 2012-06-15 | 2012-10-24 | 浙江永达不锈钢制品有限公司 | Pressure regulating valve of pressure cooker |
| CN108135379A (en) * | 2015-11-02 | 2018-06-08 | 三菱电机株式会社 | Heating device and lid |
| CN108135379B (en) * | 2015-11-02 | 2020-12-18 | 三菱电机株式会社 | Heating cooker and lid |
| CN106763806A (en) * | 2016-12-15 | 2017-05-31 | 市下控股有限公司 | The pressure-regulating valve of spray gun of sprayer |
| CN108968667A (en) * | 2018-05-15 | 2018-12-11 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
| CN110638321A (en) * | 2018-06-27 | 2020-01-03 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance and exhaust control method thereof |
| CN110638321B (en) * | 2018-06-27 | 2022-06-21 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance and exhaust control method thereof |
| CN110801149A (en) * | 2018-08-06 | 2020-02-18 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance, pressure maintaining control method and device |
| CN110870686A (en) * | 2018-08-29 | 2020-03-10 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and pot lid subassembly that is used for cooking utensil |
| CN110870697A (en) * | 2018-08-30 | 2020-03-10 | 佛山市顺德区美的电热电器制造有限公司 | Exhaust valve, pot cover assembly, cooking utensil and exhaust valve core |
| CN109864563A (en) * | 2019-03-26 | 2019-06-11 | 青岛乐家电器有限公司 | Electric cooker steam valve gear and electric cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG SUPOR CO., LTD. Free format text: FORMER NAME OR ADDRESS: SUBOR COOKING UTENSIL CO LTD, ZHEJIANG |
|
| CP03 | Change of name, title or address |
Address after: 317604 barley island development zone, Pearl River town, Zhejiang, Yuhuan County Patentee after: Supor Co., Ltd., Zhejiang Address before: 317604 barley island development zone, Pearl River town, Zhejiang, Yuhuan County Patentee before: Suboer Cooking Utensil Co., Ltd., Zhejiang |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150606 Granted publication date: 20060823 |