CN2857727Y - Weight type multi-range pressure limiting valve - Google Patents
Weight type multi-range pressure limiting valve Download PDFInfo
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- CN2857727Y CN2857727Y CN 200520046754 CN200520046754U CN2857727Y CN 2857727 Y CN2857727 Y CN 2857727Y CN 200520046754 CN200520046754 CN 200520046754 CN 200520046754 U CN200520046754 U CN 200520046754U CN 2857727 Y CN2857727 Y CN 2857727Y
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- pressure
- weight
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- pressure limiting
- blast pipe
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Abstract
The invention discloses a weight-type multi-range pressure-limiting valve, which belongs to daily things technology field and resolves problems of complex structure and high manufacturing cost for pressure-limiting valve in existence. The weight-type multi-range pressure-limiting valve is disposed at a exhaust pipe of pressure cooker lid, the exhaust pipe is equipped at center of the valve, the valve possesses two cavities capable of containing the exhaust pipe, bottom of one cavity is provided with a concave pore and bottom of another cavity is provided with a convex pore, and every pore possessed several exhaust pores through to outside. Two cavities for inserting exhaust pipe are equipped on one valve body, the cavity with concave pore has larger contacting area, set pressure value is smaller and is named low-pressure range; the cavity with convex pore has smaller contacting area, set pressure value is large and is named high-pressure range. When altering pressure range, it is only need to exchange the valves. Therefore, the provided weigh-type multi-range pressure-limiting valve possesses advantages of simple structure, low cost and convenient use.
Description
Technical field
The utility model belongs to the articles for daily use technical field, especially relates to the pressure limiting valve that uses on a kind of pressure cooker.
Background technology
Pressure cooker is a kind of kitchen articles commonly used.Can reach certain air pressure in order to make in the pot, and outwards exhaust when the pot internal gas pressure surpasses the air pressure range of setting, a pressure limiting valve is set on pot cover usually achieves the above object.Weight by pressure limiting valve self is pressed on the blast pipe of pressure cooker cover, realizes its pressure limiting function.
But when the working pressure pot, boiling pressure required in the various food pans can be different.In order to preestablish different force value, people have carried out long-term exploration, have proposed diversified embodiment.For example, weight of stack is gained in weight by weight on pressure limiting valve, makes in the pot to reach higher pressure.Chinese patent literature discloses a kind of pressure cooker adjustable pressure limiting valve, and (application number: 02217714.0), it is exactly the weight that increases pressure limiting valve self by the weight principle.In this pressure limiting valve, the weight of controlled pressure pot exhaust has third gear: first grade is the weight when not adding weight and lower heavy punch; Second grade is the lower draw-bar of the spool weight when tangling weight; Third gear has increased the weight of a lower heavy punch again on second grade basis.Though this pressure limiting valve can be realized branch gear controlled pressure, its structure is too complicated, makes the cost of product higher, and cleans also inconvenient in use.
The somebody realizes the adjustment of force value by changing lifting surface area under the constant situation of valve weight.Chinese patent pressure-adjusting type pressure limiting valve (application number: CN88216392.2) for example, the valve seat of this scheme comprises base, adjusting pressuring valve core, three parts of valve seat cap, there is one with the different through holes of selecting different-diameter of pressure in the middle of being inserted in the adjusting pressuring valve core on the base, is tightened on the base with middle porose valve seat cap above.This scenario-frame is comparatively complicated, and the diameter difficulty that the valve seat endoporus will be made into different sizes is bigger, and cost of manufacture is inevitable higher.On the other hand, when changing pressure, also need to insert an adjusting pressuring valve core that separates with valve body,, influence the normal use of pressure cooker so adjusting pressuring valve core is lost easily in long-term use.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provides a kind of simple in structure, is convenient to implement many grades of pressure limiting valves of weight-type that cost of manufacture is cheap; Solved the existing in prior technology complex structure, manufacture difficulty is big, cost cost high-technology problem.
Another purpose of the present utility model is at the problems referred to above, provides a kind of being convenient to clean, and is easy for operation, many grades of pressure limiting valves of weight-type that security performance is high; Solved existing in prior technology and be difficult to clean, it is very not convenient to manipulate, job stability technical problem such as be difficult to be guaranteed.
For achieving the above object, the utility model has adopted following technical proposal: many grades of pressure limiting valves of this weight-type, be arranged at the blast pipe place of pressure cooker lid, blast pipe is in the center of valve body, it is characterized in that, described valve body is provided with two cavitys that can hold blast pipe, and the bottom of one of them cavity is provided with shrinkage pool, and the bottom of another cavity is provided with boss; Be respectively equipped with several and the extraneous steam vent that connects on the sidewall of each cavity.
The utility model creatively is provided with two cavitys that are used to insert blast pipe on same valve body, and the bottom design of cavity is different.The contact-making surface that is provided with the cavity of shrinkage pool and exhaust outlet end is bigger, thereby when using this cavity, the force value of setting is less, is the low pressure shelves.The contact-making surface that is provided with the cavity of boss and exhaust outlet end is less, thereby when using this cavity, the force value of setting is bigger, is the high pressure shelves.When changing the pressure shelves, only need once to get final product valve body is out of position, it is very convenient to operate.
For the ease of making, in many grades of pressure limiting valves of above-mentioned weight-type, described two cavitys are located at two ends of valve body respectively.
In many grades of pressure limiting valves of above-mentioned weight-type, described shrinkage pool is the taper shrinkage pool, and can be buckled in the port of export of blast pipe.
In many grades of pressure limiting valves of above-mentioned weight-type, described boss is a cone boss, and can insert in the port of export of blast pipe.
Be designed to cone boss and taper shrinkage pool and help contacting closely between blast pipe and the valve body, prevent to leak.
In order to improve security performance, prevent the unexpected disengaging of pressure limiting valve, in many grades of pressure limiting valves of above-mentioned weight-type, described cavity opening part is fixed with can the jump ring of clip on blast pipe.
Compared with prior art, the advantage of many grades of pressure limiting valves of this weight-type is: 1, simple in structure light and handy, reasonable in design, easy to implement, be convenient to processing and fabricating, and with low cost; 2, easy for operation, only need can change the pressure shelves once with valve body is out of position; 3, security performance height is convenient to clean long service life, good seal performance.
Description of drawings
Fig. 1 is the sectional structure schematic diagram that many grades of pressure limiting valves of weight-type that the utility model provides are in the high pressure shelves.
Fig. 2 is the sectional structure schematic diagram that many grades of pressure limiting valves of weight-type that the utility model provides are in the low pressure shelves.
Among the figure, blast pipe 1, valve body 2, cavity 3, shrinkage pool 4, boss 5, steam vent 6, jump ring 7.
The specific embodiment
As shown in Figure 1 and Figure 2, many grades of pressure limiting valves of this weight-type are arranged at blast pipe 1 place of pressure cooker lid, and blast pipe 1 is in the center of valve body 2.Valve body 2 is provided with two cavitys 3 that can hold blast pipe 1, and the size of cavity 3 and blast pipe 1 adapt.
For the ease of making and using, two cavitys 3 are located at the two ends of valve body 2 respectively.Adding man-hour, process cavity 3 respectively at the two ends of section bar, and shrinkage pool 4 is being processed in the bottom of a cavity 3 therein, boss 5 is processed in the bottom of another cavity 3.In addition, because the structure of many grades of pressure limiting valves of this weight-type is comparatively simple, also can adopt the model casting to form whole valve body 2.
Be respectively equipped with several and the extraneous steam vent 6 that connects on the sidewall of each cavity 3.Shrinkage pool 4 is the taper shrinkage pool, and can be buckled in the port of export of blast pipe 1.Boss 4 is a cone boss, and can insert in the port of export of blast pipe 1.Cavity 3 opening parts are fixed with can the jump ring 7 of clip on blast pipe 1.
As shown in Figure 1, pressure limiting valve is in the high pressure shelves.Boss 5 contacts with blast pipe 1, because the contact-making surface of boss 5 is less, thereby when using this cavity 3, the force value of setting is bigger.As shown in Figure 2, pressure limiting valve is in the low pressure shelves.Shrinkage pool 4 contacts with blast pipe 1, because the contact-making surface of shrinkage pool 4 is bigger, thereby when using this cavity 3, the force value of setting is less.
When changing the pressure shelves, only need once to get final product valve body 2 is out of position, it is very convenient to operate.
Claims (7)
1, many grades of pressure limiting valves of a kind of weight-type, it is arranged at the blast pipe (1) of pressure cooker lid and locates, blast pipe (1) is in the center of valve body (2), it is characterized in that, described valve body (2) is provided with two cavitys (3) that can hold blast pipe (1), the bottom of one of them cavity (3) is provided with shrinkage pool (4), and the bottom of another cavity is provided with boss (5); Be respectively equipped with several and the extraneous steam vent (6) that connects on the sidewall of each cavity (3).
2, many grades of pressure limiting valves of weight-type according to claim 1 is characterized in that, described two cavitys (3) are located at the two ends of valve body (2) respectively.
3, many grades of pressure limiting valves of weight-type according to claim 1 and 2 is characterized in that, described shrinkage pool (4) is the taper shrinkage pool, and can be buckled in the port of export of blast pipe (1).
4, many grades of pressure limiting valves of weight-type according to claim 1 and 2 is characterized in that, described boss (5) is a cone boss, and can insert in the port of export of blast pipe (1).
According to claim 1 and many grades of pressure limiting valves of 2 described weight-types, it is characterized in that 5, described cavity (3) opening part is fixed with can the jump ring (7) of clip on blast pipe (1).
6, many grades of pressure limiting valves of weight-type according to claim 3 is characterized in that, described cavity (3) opening part is fixed with can the jump ring (7) of clip on blast pipe (1).
7, many grades of pressure limiting valves of weight-type according to claim 4 is characterized in that, described cavity (3) opening part is fixed with can the jump ring (7) of clip on blast pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520046754 CN2857727Y (en) | 2005-11-21 | 2005-11-21 | Weight type multi-range pressure limiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520046754 CN2857727Y (en) | 2005-11-21 | 2005-11-21 | Weight type multi-range pressure limiting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2857727Y true CN2857727Y (en) | 2007-01-17 |
Family
ID=37610588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520046754 Expired - Lifetime CN2857727Y (en) | 2005-11-21 | 2005-11-21 | Weight type multi-range pressure limiting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2857727Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068197A (en) * | 2011-01-20 | 2011-05-25 | 李文升 | Counterweight metal for exhaust valve of pressure cooker, special mould and manufacturing method |
| CN103479230A (en) * | 2011-11-03 | 2014-01-01 | 中山市美斯特实业有限公司 | Pressure relief device of soybean milk machine |
| CN107752750A (en) * | 2016-08-19 | 2018-03-06 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker |
-
2005
- 2005-11-21 CN CN 200520046754 patent/CN2857727Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068197A (en) * | 2011-01-20 | 2011-05-25 | 李文升 | Counterweight metal for exhaust valve of pressure cooker, special mould and manufacturing method |
| CN103479230A (en) * | 2011-11-03 | 2014-01-01 | 中山市美斯特实业有限公司 | Pressure relief device of soybean milk machine |
| CN107752750A (en) * | 2016-08-19 | 2018-03-06 | 佛山市顺德区美的电热电器制造有限公司 | 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 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070117 |
|
| EXPY | Termination of patent right or utility model |