CN102309251A - Pressure release safety structure of pressure cooker - Google Patents
Pressure release safety structure of pressure cooker Download PDFInfo
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- CN102309251A CN102309251A CN201110206190A CN201110206190A CN102309251A CN 102309251 A CN102309251 A CN 102309251A CN 201110206190 A CN201110206190 A CN 201110206190A CN 201110206190 A CN201110206190 A CN 201110206190A CN 102309251 A CN102309251 A CN 102309251A
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Abstract
The invention relates to a pressure release safety structure of a pressure cooker, which is used for aiding pressure release to ensure the safety of the pressure cooker. The defect that the pressure cooker is exploded because cover teeth and cooker teeth are straightened when a pressure limiting valve and a safety valve are blocked to increase the pressure in the pressure cooker is overcome. The pressure release safety structure comprises a cooker cover and a cooker body which are mutually meshed, wherein the cover teeth which are arranged at intervals are arranged at the periphery of the cooker cover; pressure release windows matched with the shape of a sealing ring in the cooker cover are formed on the interval parts of the cover teeth at the periphery of the cooker cover; convex pressure release openings are formed at the parts on the upper surface of the cooker cover, wherein the parts are corresponding to the pressure release windows, and the positions of the pressure release openings are covered by the sealing ring; and the outlets of the pressure release openings face the periphery of the cooker cover. Because the pressure release openings are formed on the upper surface of the cooker cover, the direction of the pressure does not face upwards when the pressure in the pressure cooker is released, and then the pressure cooker is prevented from being inclined; and because the outlets of the pressure release openings face the periphery of the cooker cover, steam is not directly sprayed upwards when being released, a kitchen and tableware are prevented from being stained, and the sanitation of the environment is ensured.
Description
Technical field
The present invention relates to a kind of pressure cooker safeguard construction, the pressure cooker pressure release safeguard construction that pressure cooker is safe in utilization is guaranteed in especially a kind of auxiliary pressure release.
Background technology
Therefore pressure cooker will be guaranteed pressure cooker safety in use, will notice that the pressure in the pressure cooker pot is guaranteed in safe range.Pressure cooker is in heating process, and the pressure in the pot can raise gradually, for guaranteeing safety; Pressure limiting valve and safety valve all are housed on the pot cover of pressure cooker; Pressure limiting valve limits operating pressure, and safety valve is confirmed safe pressure, and the lid tooth all is a horizontal configuration with the pot tooth; Through screwing, will cover tooth and snap onto a pot tooth below.
But in use, pressure limiting valve and safety valve air flue are blocked, and produce superpressure in the pot, and lid tooth and pot tooth are plastic deformation body is quick-fried leaves until pot cover, pot near stretching, the accident that causes casualties or to around the damage of other article.
Therefore there is the people to design and offers window, make that the pressure in the pot is discharged from the windowing position at the side of pot cover.In the time of the exhaust of this scheme is that the sealing ring in the pot cover is extruded from this window, makes that the pressure in the pot can be discharged from the bottom of pot cover window.But sealing ring possibly cause unreducible destruction when extruding; Sealing ring uneven phenomenon possibly occur in extrusion, it is many that some window is extruded, and what some window was extruded lacks; Make the opening at position of pot cover exhaust that size arranged; The active force that meeting build-up of pressure pot pot was experienced when at this moment the pressure in the pot was from this opening discharge is inhomogeneous, might make the local excessive build-up of pressure pot of pressure inclination of discharging downwards, has potential safety hazard.
Patent Office of the People's Republic of China has announced a CN1586374B document on March 2nd, 2005, name is called the high security pressure cooker, mainly comprises a pot body, pot cover; Sealing ring constitutes floating sealing structure with the pot body, and the lid tooth is processed hook-type in opposite directions respectively with the pot tooth, and the sealing ring lip is designed to corrugated or dentation; Making pressure cooker prevent that blast from having increased multiple defence line, after former limited valve, safety valve, at first is that the sealing ring lip is designed to corrugated or dentation produces pressure release promptly; When the lid tooth, when pot tooth first bending place is straightened; The potted line that sealing ring has broken away from pot body begins pressure release, has guaranteed that second bending place is not straightened, and lid, pot can not separate blast.This mode is in pressure leak process, and the direction that the pressure in the pot is discharged still exists the position of discharging inhomogeneous still downwards, and the uneven phenomenon of the pressure of discharge is discharged the inclination of easy build-up of pressure pot pot body downwards.
Summary of the invention
The invention solves pressure limiting valve in the prior art, safety valve and stop up to cause pot inner pressure to raise to make and cover tooth and pot tooth and be straightened and cause quick-fried pot shortcoming, provide a kind of and on pot cover, offer window, the pot cover upper surface is offered the pressure cooker pressure release safeguard construction that pressure relief opening makes things convenient for pressure release.
The present invention has also solved in the prior art pot cover sidewall and has offered the window pot inner pressure and cause blowdown presssure inhomogeneous easily from the downward discharge of side-walls; Make the inclination of pot body a dangerous shortcoming occur, provide a kind of and on pot cover, offer window, the pot cover upper surface is offered the pressure cooker pressure release safeguard construction that pressure relief opening upwards discharges pot inner pressure.
The technical solution adopted for the present invention to solve the technical problems is: a kind of pressure cooker pressure release safeguard construction; The pot cover and pot body that comprise mutual interlock; The periphery of pot cover is provided with spaced lid tooth, and the position of pot cover periphery loam cake interdental septa is provided with the pressure release window that shape and pot cover inner seal ring match, and the position of the corresponding pressure release window of pot cover upper surface is provided with the pressure relief opening of convexity; The position of pressure relief opening has sealing ring to cover, and the outlet of pressure relief opening is towards the periphery of pot cover.Under the normal condition, sealing ring is blocked the pressure release window of pot cover periphery and the pressure relief opening of pot cover upper surface, is in normal pressurized state; After pressure limiting valve and safety valve blocking; Pressure in the pressure cooker increases; Sealing ring in the pot cover is extruded from the pressure release window under the effect of pot inner pressure, and this moment, sealing ring got out of the way the pressure relief opening of pot cover upper surface, and the steam in the pot is upwards discharged to the periphery of pot cover through the outlet of pressure relief opening from pressure relief opening; Reduce the pressure in the pot, guarantee that pressure cooker is safe in utilization; Support is arranged at the bottom of pressure cooker, and this moment, steam pressure was upwards discharged to periphery again, can guarantee that pressure cooker can not turn on one's side, and guarantees that pressure cooker is safe in utilization; The setting of the outlet of pressure relief opening can avoid staiing the tableware of kitchen and periphery so that can directly not make progress ejection during discharge of steam, guarantees environmental sanitation; The position of pressure release window and pressure relief opening is the Ban Buchu relative with handle on pot cover generally, in pressure release, can play balanced action; Pressure release window and pressure relief opening can be a plurality of, to improve the ability of pressure release.
As preferably, the upper edge of the position of pressure relief opening corresponding pot body, the minimum diameter of pressure relief opening position is less than pot body upper edge maximum gauge.Contact with the upper edge of pot body when sealing ring uses and play sealing function; Sealing ring will cover sealing with pressure relief opening during normal the use; Receive pot inner pressure distortion when the pressure release window is extruded at sealing ring, the unlimited time of pressure relief opening is than the Zao pressure relief opening discharge that could guarantee pot interior steam elder generation from the pot cover upper surface in sealing ring lower surface and pot body upper edge.
As preferably, pressure relief opening is triangular in shape along pot cover cross section radially, height radially the increasing gradually from the inside to surface along pot cover that pressure relief opening is protruding.Pressure relief opening is to cut the hole stretching by this position of pot cover to form, and the position height that the pressure relief opening diameter is little is little, and the position height that diameter is big is big, makes that the inner surface of pressure relief opening is the skewed guide effect of playing, and the noise when steam discharges is little.
As preferably, the pressure release window on the pot cover periphery has only one, and corresponding pressure relief opening has only one.The number of pressure relief opening only needs one just can guarantee that the steam in the pot discharges smoothly.
As preferably, the length of pressure release window is 3/5 of pot cover peripheral cover interdental septa length, and the width of pressure release window and the width of sealing ring are suitable.The moderate length of pressure release window, the oversize intensity that influences pot cover also can make sealing ring be expressed into the outside volume of pressure release window and increase, and influences the use of sealing ring, and is too little, and sealing ring is expressed into outside the pressure release window, can't make sealing ring get out of the way pressure relief opening.
As preferably, pressure relief opening is over against the centre position of pressure release window, and the medial end diameter of pressure relief opening is greater than the internal diameter of sealing ring and less than the external diameter of sealing ring.Sealing ring will just in time cover pressure relief opening, and in normally-pressured neighbor, the steam in the pot can not discharge from pressure relief opening.
The invention has the beneficial effects as follows: pressure relief opening is arranged on the pot cover upper surface, and when making pressure in the pot discharge, the direction of pressure can be not up, thereby prevents that pressure cooker from toppling over; The outlet of pressure relief opening is towards the periphery of pot cover, and the ejection that can directly not make progress when making steam release prevents to stain kitchen and tableware, guarantees environmental sanitation.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of A-A partial sectional view of Fig. 1 of the present invention;
Fig. 3 is the another kind of A-A partial sectional view of Fig. 1 of the present invention;
Among the figure: 1, pressure release window, 2, pressure relief opening, 3, sealing ring, 4, pot cover, 5, the pot body, 6, handle.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment 1: a kind of pressure cooker pressure release safeguard construction (referring to accompanying drawing 1 accompanying drawing 2); The pot cover 4 and pot body 5 that comprise mutual interlock; Pot cover is a band plane pot cover, and the periphery of pot cover is provided with spaced lid tooth, and the upper edge of pot body is provided with a pot tooth; Lid tooth and the mutual interlock of pot tooth are placed with sealing ring 3 in the pot cover.
The periphery of pot cover is provided with the pressure release window 1 of a strip, 135 ° at interval of pressure release position of window and pot cover handles 6, and the length of pressure release window is 3/5 of pot cover peripheral cover interdental septa length, the width of pressure release window and the width of sealing ring are suitable.The plane of a loop of pot cover is provided with over against the pressure relief opening 2 of pressure release window middle part; The minimum diameter of pressure relief opening position is less than pot body upper edge maximum gauge; The position of pressure relief opening has sealing ring to cover, and the medial end diameter of pressure relief opening is greater than the internal diameter of sealing ring and less than the external diameter of sealing ring.Pressure relief opening is to be stretched by the plane of a loop otch to form, and the direction of stretching is towards the upper surface of pot cover.Pressure relief opening is triangular in shape along pot cover cross section radially, and the height of pressure relief opening convexity radially increases along pot cover from the inside to surface gradually, and the outlet of pressure relief opening is towards the periphery of pot cover.
Embodiment 2: a kind of pressure cooker pressure release safeguard construction (referring to accompanying drawing 3); The upper surface of pot cover is an arcuate structure; The periphery of pot cover is provided with the pressure release window 1 of a strip, and the pot cover upper surface is provided with the pressure relief opening 2 over against the pressure release window center that raises up near the position of periphery.Itself and structure are with reference to embodiment 1.
Place sealing ring in the pot cover; Sealing ring covers the pressure relief opening on the pot cover, and when pot cover passed through to cover tooth with the interlock of pot tooth with the pot body, handle overlapped; Pot cover is clamped sealing ring with the pot body; Along with the temperature in the pot raises, steam pressure increases gradually, and moves closer to the safe pressure of pressure limiting valve and safety valve.If pressure limiting valve and safety valve blocking; Then pressure can continue to raise, and with sealing ring to circumferential expansion, the sealing ring section of corresponding pressure release window oral area position is squeezed into the pressure release window; The upper edge of sealing ring gets out of the way pressure relief opening; Make the steam in the pot discharge towards periphery through break-in, reduce the pressure in the pot gradually, guarantee that pressure cooker is safe in utilization from pressure relief opening.
Above-described embodiment is a preferred version of the present invention, is not the present invention is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (6)
1. pressure cooker pressure release safeguard construction; The pot cover and pot body that comprise mutual interlock; The periphery of pot cover is provided with spaced lid tooth, and the position that it is characterized in that pot cover periphery loam cake interdental septa is provided with the pressure release window that shape and pot cover inner seal ring match, and the position of the corresponding pressure release window of pot cover upper surface is provided with the pressure relief opening of convexity; The position of pressure relief opening has sealing ring to cover, and the outlet of pressure relief opening is towards the periphery of pot cover.
2. a kind of pressure cooker pressure release safeguard construction according to claim 1 is characterized in that the upper edge of the position corresponding pot body of pressure relief opening, and the minimum diameter of pressure relief opening position is less than pot body upper edge maximum gauge.
3. a kind of pressure cooker pressure release safeguard construction according to claim 1 is characterized in that pressure relief opening is triangular in shape along pot cover cross section radially, height radially the increasing gradually from the inside to surface along pot cover that pressure relief opening is protruding.
4. according to claim 1 or 2 or 3 described a kind of pressure cooker pressure release safeguard constructions, it is characterized in that the pressure release window on the pot cover periphery has only one, corresponding pressure relief opening has only one.
5. according to claim 1 or 2 or 3 described a kind of pressure cooker pressure release safeguard constructions, the length that it is characterized in that the pressure release window is 3/5 of pot cover peripheral cover interdental septa length, and the width of pressure release window and the width of sealing ring are suitable.
6. according to claim 1 or 2 or 3 described a kind of pressure cooker pressure release safeguard constructions, it is characterized in that the centre position of pressure relief opening over against the pressure release window, the medial end diameter of pressure relief opening is greater than the internal diameter of sealing ring and less than the external diameter of sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110206190A CN102309251A (en) | 2011-07-22 | 2011-07-22 | Pressure release safety structure of pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110206190A CN102309251A (en) | 2011-07-22 | 2011-07-22 | Pressure release safety structure of pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102309251A true CN102309251A (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110206190A Pending CN102309251A (en) | 2011-07-22 | 2011-07-22 | Pressure release safety structure of pressure cooker |
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| CN (1) | CN102309251A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464021A (en) * | 2017-09-07 | 2019-03-15 | 南宁市富久信息技术有限公司 | A kind of aluminum pot lid |
| WO2019111179A1 (en) * | 2017-12-06 | 2019-06-13 | Landers Y Cia S.A.S. | Anti-explosion system for a pressure cooker with an internal closure system |
| CN112294106A (en) * | 2019-07-26 | 2021-02-02 | 浙江绍兴苏泊尔生活电器有限公司 | Upper cover subassembly and cooking utensil |
| CN112568706A (en) * | 2019-09-30 | 2021-03-30 | Seb公司 | Pressure cooker provided with intermediate chamber safety device |
| CN113662423A (en) * | 2021-06-25 | 2021-11-19 | 杭州荣灿科技有限公司 | Pressure cooker with negative pressure vacuum state |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2207779Y (en) * | 1994-11-11 | 1995-09-20 | 浙江苏伯尔有限公司 | Safety cover of pressure cooker |
| CN2296681Y (en) * | 1997-06-06 | 1998-11-11 | 启东市燃具厂 | Multiple explosion-proof pressure cooker |
| CN2368414Y (en) * | 1999-04-07 | 2000-03-15 | 曾左桥 | Explosiveproof structure of pressure cooker |
| WO2001072185A2 (en) * | 2000-03-27 | 2001-10-04 | Ursula Niese | Steam pressure cooker |
| CN101953627A (en) * | 2009-07-15 | 2011-01-26 | 陈钟鸿 | Multi-insurance pressure cooker |
| CN202173246U (en) * | 2011-07-22 | 2012-03-28 | 浙江永达不锈钢制品有限公司 | Pressure cooker decompression safety structure |
| CN301953627S (en) * | 2011-05-16 | 2012-06-13 | 米其林技术公司 | tire |
-
2011
- 2011-07-22 CN CN201110206190A patent/CN102309251A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2207779Y (en) * | 1994-11-11 | 1995-09-20 | 浙江苏伯尔有限公司 | Safety cover of pressure cooker |
| CN2296681Y (en) * | 1997-06-06 | 1998-11-11 | 启东市燃具厂 | Multiple explosion-proof pressure cooker |
| CN2368414Y (en) * | 1999-04-07 | 2000-03-15 | 曾左桥 | Explosiveproof structure of pressure cooker |
| WO2001072185A2 (en) * | 2000-03-27 | 2001-10-04 | Ursula Niese | Steam pressure cooker |
| CN101953627A (en) * | 2009-07-15 | 2011-01-26 | 陈钟鸿 | Multi-insurance pressure cooker |
| CN301953627S (en) * | 2011-05-16 | 2012-06-13 | 米其林技术公司 | tire |
| CN202173246U (en) * | 2011-07-22 | 2012-03-28 | 浙江永达不锈钢制品有限公司 | Pressure cooker decompression safety structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464021A (en) * | 2017-09-07 | 2019-03-15 | 南宁市富久信息技术有限公司 | A kind of aluminum pot lid |
| WO2019111179A1 (en) * | 2017-12-06 | 2019-06-13 | Landers Y Cia S.A.S. | Anti-explosion system for a pressure cooker with an internal closure system |
| CN112294106A (en) * | 2019-07-26 | 2021-02-02 | 浙江绍兴苏泊尔生活电器有限公司 | Upper cover subassembly and cooking utensil |
| CN112568706A (en) * | 2019-09-30 | 2021-03-30 | Seb公司 | Pressure cooker provided with intermediate chamber safety device |
| CN113662423A (en) * | 2021-06-25 | 2021-11-19 | 杭州荣灿科技有限公司 | Pressure cooker with negative pressure vacuum state |
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Application publication date: 20120111 |