CN2401114Y - Automatic rotary blocking-resistant pressure-limiting safety valve and high-temp. and high-pressure pressure cooker - Google Patents
Automatic rotary blocking-resistant pressure-limiting safety valve and high-temp. and high-pressure pressure cooker Download PDFInfo
- Publication number
- CN2401114Y CN2401114Y CN 99249613 CN99249613U CN2401114Y CN 2401114 Y CN2401114 Y CN 2401114Y CN 99249613 CN99249613 CN 99249613 CN 99249613 U CN99249613 U CN 99249613U CN 2401114 Y CN2401114 Y CN 2401114Y
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- Prior art keywords
- valve
- pressure
- limiting safety
- pressure cooker
- blocking
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- Expired - Fee Related
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Abstract
The utility model relates to an automatic rotary blocking-resistant pressure-limiting safety valve and a high-temperature and high-pressure cooker. The valve is composed of a valve shaft, an impeller wheel, a valve core, a hand lever, a valve seat, a screw nut, a valve body bracket, etc., wherein, an exhaust vent of the valve seat is movably and hermetically matched with the valve shaft, and the valve shaft can automatically rotate in the exhaust vent of the valve seat for blocking resistance during air discharge. The valve has the advantages of sensitivity, reliability, rapid air discharge and pressure reduction and automatic blocking resistance. The high-temperature and high-pressure cooker is provided with a plurality of the automatic rotary blocking-resistant pressure-limiting safety valves. The high-temperature and high-pressure cooker has the advantages of simple structure and high safety, and the high-temperature and high-pressure cooker is suitable for ordinary households and is more suitable for restaurant industries.
Description
The utility model belongs to the pressure cooker industry
The major reason of pressure cooker blast is that existing pressure limiting valve and relief valve design are unreasonable, and this pressure limiting valve has a blast pipe, easily blocked elongated steam vent is wherein arranged, and exhaust is not happy; This safety valve is also insensitive reliable, and its steam vent is also little, so when the pot internal gas pressure was excessive in using, just freely step-down was unhappy explodes because of exhaust.Have outstanding performance on this situation pressure cooker that industry is used especially at the restaurant, the restaurant job personnel usually use the big fire vigorous fire in a hurry, make pressure cooker through the work under the HTHP of being everlasting, and are easy to produce above-mentioned dangerous situation; This big fire vigorous fire also usually burns out the outer garden of the handle of pressure cooker even O-ring seal; The restaurant job personnel that have usually adorn pressure cooker fullly in order to follow the line of least resistance, and no air chamber space is unfavorable for pressure cooker safety.The problems referred to above are badly in need of solving.
The purpose of this utility model is in order to address the above problem, proposed a kind of dependable performance, can quick air releasing the anti-blocking pressure-limiting safety valve of automatic rotation of step-down, proposed simultaneously with this valve supporting both be adapted to family expenses more be adapted to the HTHP pressure cooker that the restaurant industry is used.
The utility model is achieved in that
Pressure cooker adopts the novel anti-blocking pressure-limiting safety valve of automatic rotation, this valve does not have blast pipe and elongated steam vent thereof, only on its valve seat, be provided with steam vent, this steam vent diameter is bigger, length is very little, be convenient to the quick air releasing step-down, the valve shaft that can rotate automatically when also being provided with exhaust in the steam vent stops up steam vent to avoid eating slag.Thereby be with impeller, valve it and handle on this valve shaft and form valve body, the lower end of valve shaft is a cone, its tip is extended with minor axis, stretch in the steam vent, above-mentioned cone is by the supporting of the steam vent of valve seat, and cooperates with its movable sealing, valve seat by with the connection of nut, valve body support and sealing gasket thereof are fastened on the pot cover, and valve body support upper end has a support holes to cooperate with the valve shaft upper end is movable.This valve both can be made pressure limiting valve usefulness, can make safety valve again, so can install one to the anti-blocking pressure-limiting safety valve of several this automatic rotations on pot cover according to the capacity specifications and the pressure size of pressure cooker.
The HTHP pressure cooker that is applicable to that the restaurant industry is used of the present utility model, its pot body, the material of pot cover and wall thickness intensity are adapted to the requirement of 120～150kPa operating pressure, the anti-blocking pressure-limiting safety valve of above-mentioned automatic rotation that on pot cover, installs a plurality of 120～150kPa operating pressures according to the capacity specifications and the pressure size of pressure cooker, for ease of controlling pot inner pressure in GB13623-92 safe pressure scope, it is the anti-blocking pressure-limiting safety valve of automatic rotation of nominal operating pressure 120～150% that an operating pressure wherein is set, the aspect ratio of pot cover with the pot body is decided to be about 1: 2, and is provided with on one's body at pot and protects the handle firestopping ring.
Elaborate below in conjunction with accompanying drawing:
Fig. 1 is the structural representation that rotates anti-blocking pressure-limiting safety valve automatically;
Fig. 2 is the schematic appearance of HTHP pressure cooker.
As shown in Figure 1,1 is valve shaft, be with on this valve shaft 1 impeller 2, valve it 3 and handle 4, handle 4 is embedded with nut, rotary handle 4 can be with the spiral marking connection of this nut and valve shaft, and with impeller 2, valve it 3, handle 4 fuses with valve shaft 1, forms valve body.The lower end of valve shaft 1 is a cone, its tip is extended with minor axis and stretches in the steam vent of valve seat 5, above-mentioned cone is by the steam vent supporting of valve seat 5, and cooperate with its movable sealing, valve seat 5 by with the connection of nut 6, valve body support 7 and sealing gasket 8 thereof are fastened on the pot cover 9, and the upper end of valve body support 7 has a support holes to cooperate with the upper end of valve shaft 1 is movable, and 10 is splash guard.The diameter of the steam vent of valve seat 5 can be 4mm, and the about 0.5mm of length is so that the quick air releasing step-down; Can set its weight of 3 of valve according to the needs of operating pressure; When gas pressure in the pot during greater than the operating pressure of this valve, contain cone and above-mentioned valve body that the body of calming the anger will lift valve shaft 1, and discharge from the interior aperture impeller 2 of valve seat 5, impeller 2 rotates and drives whole valve body because of the impact that is subjected to gases at high pressure and rotates automatically, at this moment the minor axis of the lower end of valve shaft 1 then rotates in the steam vent of valve seat 5, prevents to eat slag and stops up steam vent.After unnecessary air pressure discharging, under the effect of valve body gravity, valve body descends, and the cone of valve shaft 1 cooperates with the steam vent movable sealing of valve seat 5 again again.The adept handle 4 of user's hand upwards lifts and can initiatively bleed off pot and include the body of calming the anger.Splash guard 10 can prevent that the high temperature globule from splashing and scald the people.
As shown in Figure 2, HTHP pressure cooker of the present utility model is made up of pot cover 9, pot body 11, handle 12,13 etc.Hang with below the handle 12,13 and protect handle firestopping ring 14, in order to avoid handle 12,13 and O-ring seal (not shown) are burnt out by big fire; Pot cover 9 is 1: 2 with the aspect ratio of pot body 11, and under the fuller situation of pot body dress food and water, the pot cover inner chamber still can guarantee enough big air chamber, in order to safety like this.The anti-blocking pressure-limiting safety valve 15 of a plurality of above-mentioned automatic rotations is housed on the pot cover 9, and its operating pressure is a nominal operating pressure, and the operating pressure that wherein has is the 120-150% of nominal operating pressure.When pot inner pressure during greater than nominal operating pressure, all anti-blocking pressure-limiting safety valves of automatic rotation of setting by nominal operating pressure are lifted rotation on the pot cover 9, exhaust rapidly.When pot inner pressure rises above nominal operating pressure 120-150%, the anti-blocking pressure-limiting safety valve of setting by nominal operating pressure 120-150% on the pot cover 9 of automatic rotation is lifted the rotation exhaust, at this moment in order to control the pot inner pressure increasing of no longer rising, firepower should be reduced to pot inner pressure is dropped to below the nominal operating pressure 120-150%, allow the anti-blocking pressure-limiting safety valve of setting by nominal operating pressure 120-150% of automatic rotation not be lifted, stop the rotation, again closed valve seat 5 steam vents, all the other anti-blocking pressure-limiting safety valves of automatic rotation that set by nominal operating pressure then when rotation becomes slow rotation at a high speed till.Pressure in the pot just is controlled within the safe pressure scope of best GB13623-92 regulation and among the best fast cooking operating pressure like this.For the ease of distinguishing the anti-blocking pressure-limiting safety valve of automatic rotation of above-mentioned two kinds of different nominal operating pressures, can adopt the handle of two kinds of different colours, to play warning function.
Automatic rotary blocking pressure-limiting safety valve of the present utility model and existing pressure limiting valve Many advantages are relatively arranged, and it has fully phased out the blast pipe of limited valve and thin Long steam vent. During the work exhaust, and there is valve shaft in the valve seat steam vent, to rotate stirring, Prevent from eating slag and stop up, and the steam vent diameter the more elongated steam vent of limited valve want Much bigger, so the step-down of losing heart is fast, thereby thoroughly eliminated the uneasiness of limited valve Total factor. Automatic rotary blocking pressure-limiting safety valve of the present utility model and existing peace Full valve relatively has sensitive reliable, the advantages such as step-down is fast of losing heart. Of the present utility model The automatic rotary blocking pressure-limiting safety valve both had been suitable for use on the Domestic pressure cooker, was more suitable for On the HTHP pressure cooker that industry is used at the restaurant. Its another advantage is valve It can not lost, and can also avoid the unfavorable safe way such as aggravate stress thereon.
HTHP pressure cooker of the present utility model and normal domestic use pressure cooker compare, Have the advantages such as operating pressure height, the time is fast, result of use is good, particularly simultaneously Reliable, the disappointing fast automatic rotary blocking pressure-limiting safety valve worker of step-down of a plurality of sensitivities is arranged Do, so fool proof. It not only is fit to require the restaurant industry usefulness of fast cooking, Also being fit to simultaneously average family uses.
Automatic rotary blocking pressure-limiting safety valve of the present utility model and HTHP thereof are pressed The power pot has the spies such as simple in structure, that cost is low, actual effect good, and is very safe Point has the popularization practical value very much.
Claims (7)
1, a kind of anti-blocking pressure-limiting safety valve of automatic rotation that is applicable to pressure cooker, it is characterized by has the valve shaft that cooperates with this steam vent movable sealing on the valve seat steam vent.
2, the anti-blocking pressure-limiting safety valve of automatic rotation as claimed in claim 1 is characterized by the valve shaft that can rotate automatically when in the valve seat steam vent exhaust being arranged.
3, as claim 1, the anti-blocking pressure-limiting safety valve of 2 described automatic rotations, it is characterized by and be with impeller, valve it and handle on the valve shaft, the lower end of forming valve body, valve shaft is a cone, its tip is extended with minor axis and stretches in the steam vent of valve seat, above-mentioned cone is by the supporting of the steam vent of valve seat, and cooperates with its movable sealing, valve seat by with the connection of nut, valve body support and sealing gasket thereof are fastened on the pot cover, and valve body support upper end has a support holes to cooperate with the valve shaft upper end is movable.
4, a kind of HTHP pressure cooker of being made up of pot cover, pot body, handle etc. is characterized by the anti-blocking pressure-limiting safety valve of above-mentioned automatic rotation is housed on the pot cover.
5, HTHP pressure cooker as claimed in claim 4, it is characterized by that a plurality of operating pressures are arranged on the pot cover is the anti-blocking pressure-limiting safety valve of automatic rotation of 120-150kPa, it is the anti-blocking pressure-limiting safety valve of automatic rotation of nominal operating pressure 120-150% that an operating pressure is arranged, and both handle colors are different.
6, HTHP pressure cooker as claimed in claim 4, the aspect ratio that it is characterized by pot cover and pot body is 1: 2.
7, HTHP pressure cooker as claimed in claim 4 is characterized by pot and protects the handle firestopping ring on one's body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99249613 CN2401114Y (en) | 1999-10-29 | 1999-10-29 | Automatic rotary blocking-resistant pressure-limiting safety valve and high-temp. and high-pressure pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99249613 CN2401114Y (en) | 1999-10-29 | 1999-10-29 | Automatic rotary blocking-resistant pressure-limiting safety valve and high-temp. and high-pressure pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2401114Y true CN2401114Y (en) | 2000-10-18 |
Family
ID=34034556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99249613 Expired - Fee Related CN2401114Y (en) | 1999-10-29 | 1999-10-29 | Automatic rotary blocking-resistant pressure-limiting safety valve and high-temp. and high-pressure pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2401114Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019420A (en) * | 2016-02-01 | 2017-08-08 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
-
1999
- 1999-10-29 CN CN 99249613 patent/CN2401114Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019420A (en) * | 2016-02-01 | 2017-08-08 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
| CN107019423A (en) * | 2016-02-01 | 2017-08-08 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |