CN201205203Y - Multiple safe protection device of pressure cooker - Google Patents
Multiple safe protection device of pressure cooker Download PDFInfo
- Publication number
- CN201205203Y CN201205203Y CNU2008200457515U CN200820045751U CN201205203Y CN 201205203 Y CN201205203 Y CN 201205203Y CN U2008200457515 U CNU2008200457515 U CN U2008200457515U CN 200820045751 U CN200820045751 U CN 200820045751U CN 201205203 Y CN201205203 Y CN 201205203Y
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- China
- Prior art keywords
- valve
- spool
- pressure
- pot cover
- pressure limiting
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- Expired - Lifetime
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Abstract
The utility model discloses a multi-safety protection system for a pressure cooker, which comprises a latching valve, a pressure limiting valve, a relief valve and an explosion-proof window arranged on the cover of the pressure cooker. The pressure limiting valve primarily consists of a valve base and a valve plug arranged inside the base valve. The side of the valve plug is provided with air gates. The multi-safety protection system is characterized in that a spring pressure limiting structure is arranged in the pressure limiting valve; the plug of the pressure limiting valve is provided with pressure indication marks; the valve base is provided with a plurality of groups of vent holes matched with the air gates of the valve plug in the axial direction. The multi-safety protection system has the advantages of being used conveniently, reasonable structure, high safety factors and so on, which can be applied on pressure cookers of various types and is valuable for protection.
Description
Technical field
The utility model relates to the pressure cooker technical field, more particularly relates to a kind of safety guard of pressure cooker.
Background technology
At present, pressure cooker exquisite appearance, energy savings, high efficiency, and be fit to multiple cooking method, and be subjected to liking of numerous people more, because pressure cooker belongs to pressure vessel, thereby the security of its use is the major issue that must solve.Traditional pressure cooker cover is provided with the pressure limiting air bleeding valve, reaches certain pressure in pot, and securing rod is opened, and the gas in the pressure cooker is discharged, but when pressure cooker was worked, pressure cooker was in case stop up the danger that is easy to blast; And the relief valve of traditional pressure cooker tightly has the function of drainage pressure, does not have the cooker of allowing with reference to control firepower and the effect of cooking time.
Summary of the invention
The purpose of this utility model is exactly provide for the deficiency that solves prior art a kind of not only simple in structure, air-tightness is good, and has the maltilevel security protective device of the pressure cooker of good safeguard protection performance.
The utility model is to adopt following technical solution to realize above-mentioned purpose: a kind of maltilevel security protective device of pressure cooker; comprise the latching valve, pressure limiting valve, safety valve and the explosion proof window that are arranged on the pot cover; pressure limiting valve mainly is made of valve seat and inner spool thereof; the sidepiece of spool is provided with venthole; it is characterized in that: there is the spring pressure limiting structure inside of described pressure limiting valve; the spool of pressure limiting valve is provided with the force value cue mark, and valve seat in axial direction is provided with the steam vent that the some groups of ventholes with spool match.
As further specifying of such scheme, the built-in cavity of described valve seat is respectively organized the force value cue mark that the steam vent correspondence varies in size on the valve seat, and every group of steam vent is along circumferentially distributing and being connected with the cavity of valve seat.
The valve seat upside of described pressure limiting valve is provided with a cover plate, keeps a cavity between cover plate and the pot cover, and the steam vent on safety valve and the valve seat is between this cover plate and pot cover, and safety valve is made of valve body and inner ball, spring thereof.
The valve seat bottom of described pressure limiting valve is provided with the top that hex nut is fixed in pot cover, and the top of spool is socketed with valve handle, and spool is provided with two force value cue marks, represents force value 50 ± 5kPa, 80 ± 5kPa respectively.
The both sides of described pot cover are provided with the upper and lower handle of concavo-convex cooperation, and the latching valve of pot cover is two self-locking structures, are installed in the handle inside of pot cover both sides respectively.
Described latching valve comprises self-locking plate, upper valve body, following valve body and spool, and self-locking plate is installed in the upper handle and with upper valve body and is connected.
Described upper valve body, following valve body threaded engagement, spool and valve body are slidingly connected, and the inside of the end of spool and following valve body is equipped with sealing ring, and the sealing ring in the following valve body is the O RunddichtringO.
Described explosion proof window is arranged on the sidepiece of pot cover, and the bottom margin of pot cover is provided with sealing ring and closely is connected with explosion proof window.
The beneficial effect that the utility model adopts above-mentioned technical solution to reach is: the utility model adopts on the pot cover latching valve, pressure limiting valve, safety valve and explosion proof window is set respectively, latching valve is two self-locking structures, if not correctly close when covering, can not play pressure in the pot, if when correctly closing lid and pot inner pressure greater than 5kpa, the pot cover auto lock can not be opened; In the pressure limiting valve, accurate spring pressure limiting structure, constant pot inner pressure is an operating pressure, and a pot interior excess steam is discharged from steam vent; If pressure limiting valve lost efficacy, safety valve also can be opened exhaust automatically; If above safety guarantee all lost efficacy, sealing ring can be extruded pressure release from explosion proof window automatically, realizes the not impaired purpose of protection pot body, ensures the safety of using.
Description of drawings
Fig. 1 is a pot cover sectional structure schematic diagram of the present utility model;
Fig. 2 is a pressure limiting valve sectional structure schematic diagram of the present utility model;
Fig. 3 is a safety valve sectional structure schematic diagram of the present utility model;
Fig. 4～Fig. 6 is self-locking plate three TV structure schematic diagrames of the present utility model.
Description of reference numerals: 1, pot cover 2, latching valve 2-1, self-locking plate 2-2, upper valve body 2-3, following valve body 2-4, spool 3, pressure limiting valve 3-1, valve seat 3-2, spool 3-3, venthole 3-4, spring pressure limiting structure 3-5, force value cue mark 3-6, steam vent 4, safety valve 4-1, valve body 4-2, ball 4-3, spring 5, explosion proof window 6-1, upper handle 6-2, lower handle 7, valve handle
The specific embodiment
As Fig. 1～shown in Figure 6; the maltilevel security protective device of the utility model pressure cooker; comprise the latching valve 2, pressure limiting valve 3, safety valve 4 and the explosion proof window 5 that are arranged on the pot cover 1; latching valve 2, pressure limiting valve 3, safety valve 4 and explosion proof window 5 are respectively the first heavy safety guarantee, the second heavy safety guarantee, triple safe guarantee and quadruple safety guarantee, and protection pot body is not damaged.The both sides of pot cover are provided with upper and lower handle 6-1, the 6-2 of concavo-convex cooperation, the latching valve 2 of pot cover is two self-locking structures, be installed in the handle inside of pot cover both sides respectively, comprise self-locking plate 2-1, upper valve body 2-2, following valve body 2-3 and spool 2-4, self-locking plate 2-1 is installed in the upper handle 6-1 and is connected with upper valve body 2-2, upper valve body 2-2, following valve body 2-3 threaded engagement, spool 2-4 and valve body are slidingly connected, the inside of the end of spool 2-4 and following valve body 2-3 is equipped with sealing ring, wherein, the sealing ring in the following valve body 2-3 is the O RunddichtringO.Pressure limiting valve 3 mainly is made of valve seat 3-1 and inner spool 3-2 thereof, the built-in cavity of valve seat 3-1, the sidepiece of spool 3-2 is provided with venthole 3-3, there is spring pressure limiting structure 3-4 the inside of pressure limiting valve 3, the spool of pressure limiting valve 3 is provided with force value cue mark 3-5, valve seat 3-1 in axial direction is provided with the steam vent 3-6 that the some groups of venthole 3-3 with spool 3-2 match, respectively organize the force value cue mark 3-5 that steam vent 3-6 correspondence varies in size on the valve seat, every group of venthole 3-6 is along circumferentially distributing and being connected with the cavity of valve seat 3-1.The valve seat 3-1 upside of pressure limiting valve 3 is provided with a cover plate, keep a cavity between cover plate and the pot cover, steam vent on safety valve 4 and the valve seat is between this cover plate and pot cover, the bottom of valve seat 3-1 is provided with the top that hex nut is fixed in pot cover 1, the top of spool 3-2 is socketed with valve handle 7, in the present embodiment, spool 3-2 is provided with two force value cue marks, represents force value 50 ± 5kPa, 80 ± 5kPa respectively.Safety valve is made of valve body 4-1 and inner ball 4-2, spring 4-3 thereof, explosion proof window 5 is arranged on the sidepiece of pot cover 1, the bottom margin of pot cover 1 is provided with sealing ring and closely is connected with explosion proof window 5, if the safety guarantee of above latching valve, pressure limiting valve, safety valve all lost efficacy, sealing ring can be extruded pressure release from explosion proof window automatically.
In the use, pot cover is closed, pressure cooker is heated, when pot inner pressure during greater than 5kPa, latching valve starts the locking pot cover, and pot cover can not be opened; Pot inner pressure constantly increases in time, the user can select firepower according to the cooked food characteristic, when adjusting that firepower boils and first force value cue mark of spool of making pressure in the pot rise to pressure limiting valve when occurring, pressure is at 50 ± 5kPa, to represent first to boil the stage, the user can control firepower and keep the plain valve seat that goes out pressure limiting valve of this mark, when the user further strengthens firepower, the spool effect of being under pressure is further risen, second force value cue mark occurs, and pressure is in 80 ± 5kPa normal exhaust; The user also can allow the interior steam of pot release fast up pull-up fully of spool.If pressure limiting valve lost efficacy, safety valve can be opened exhaust automatically; If above safety guarantee all lost efficacy, sealing ring can be extruded pressure release from explosion proof window automatically, and can protect the pot body not to be damaged.
The utility model is not limited to the foregoing description, and those skilled in the art also can do numerous modifications and variations, under the spirit that does not break away from utility model, all in the claimed scope of the utility model.
Claims (9)
1, a kind of maltilevel security protective device of pressure cooker; comprise the latching valve, pressure limiting valve, safety valve and the explosion proof window that are arranged on the pot cover; pressure limiting valve mainly is made of valve seat and inner spool thereof; the sidepiece of spool is provided with venthole; it is characterized in that: there is the spring pressure limiting structure inside of described pressure limiting valve; the spool of pressure limiting valve is provided with the force value cue mark, and valve seat in axial direction is provided with the steam vent that the some groups of ventholes with spool match.
2, the maltilevel security protective device of pressure cooker according to claim 1; it is characterized in that: the built-in cavity of described valve seat; respectively organize the force value cue mark that the steam vent correspondence varies in size on the valve seat, every group of steam vent is along circumferentially distributing and being connected with the cavity of valve seat.
3, the maltilevel security protective device of pressure cooker according to claim 1; it is characterized in that: the valve seat upside of described pressure limiting valve is provided with a cover plate; keep a cavity between cover plate and the pot cover, the steam vent on safety valve and the valve seat is between this cover plate and pot cover.
4, the maltilevel security protective device of pressure cooker according to claim 1 is characterized in that: described safety valve is made of valve body and inner ball, spring thereof.
5, the maltilevel security protective device of pressure cooker according to claim 1; it is characterized in that: the valve seat bottom of described pressure limiting valve is provided with the top that hex nut is fixed in pot cover; the top of spool is socketed with valve handle; spool is provided with two force value cue marks, represents force value 50 ± 5kPa, 80 ± 5kPa respectively.
6, the maltilevel security protective device of pressure cooker according to claim 1 is characterized in that: the both sides of described pot cover are provided with the upper and lower handle of concavo-convex cooperation, and the latching valve of pot cover is two self-locking structures, are installed in the handle inside of pot cover both sides respectively.
7, the maltilevel security protective device of pressure cooker according to claim 6 is characterized in that: described latching valve comprises self-locking plate, upper valve body, following valve body and spool, and self-locking plate is installed in the upper handle and with upper valve body and is connected.
8, the maltilevel security protective device of pressure cooker according to claim 7; it is characterized in that: described upper valve body, following valve body threaded engagement; spool and valve body are slidingly connected, and the inside of the end of spool and following valve body is equipped with sealing ring, and the sealing ring in the following valve body is the O RunddichtringO.
9, the maltilevel security protective device of pressure cooker according to claim 1, it is characterized in that: described explosion proof window is arranged on the sidepiece of pot cover, and the bottom margin of pot cover is provided with sealing ring and closely is connected with explosion proof window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200457515U CN201205203Y (en) | 2008-04-01 | 2008-04-01 | Multiple safe protection device of pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200457515U CN201205203Y (en) | 2008-04-01 | 2008-04-01 | Multiple safe protection device of pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201205203Y true CN201205203Y (en) | 2009-03-11 |
Family
ID=40464273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200457515U Expired - Lifetime CN201205203Y (en) | 2008-04-01 | 2008-04-01 | Multiple safe protection device of pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201205203Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102334904A (en) * | 2011-07-19 | 2012-02-01 | 池明焕 | Aluminum alloy gravity casting pressure cooker and process thereof |
| CN106073482A (en) * | 2016-08-30 | 2016-11-09 | 新兴县先丰不锈钢制品有限公司 | Multi-funcltional pot with vent valve |
| CN106073480A (en) * | 2016-08-09 | 2016-11-09 | 新兴县先丰不锈钢制品有限公司 | Button folding can found lid micropressure boiler |
| 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 |
| CN111374575A (en) * | 2018-12-29 | 2020-07-07 | 广东美的生活电器制造有限公司 | Cup body component and food processor |
-
2008
- 2008-04-01 CN CNU2008200457515U patent/CN201205203Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102334904A (en) * | 2011-07-19 | 2012-02-01 | 池明焕 | Aluminum alloy gravity casting pressure cooker and process thereof |
| CN106073480A (en) * | 2016-08-09 | 2016-11-09 | 新兴县先丰不锈钢制品有限公司 | Button folding can found lid micropressure boiler |
| CN106073480B (en) * | 2016-08-09 | 2019-06-04 | 新兴县先丰不锈钢制品有限公司 | Button folding can found lid micropressure boiler |
| 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 |
| CN106073482A (en) * | 2016-08-30 | 2016-11-09 | 新兴县先丰不锈钢制品有限公司 | Multi-funcltional pot with vent valve |
| CN111374575A (en) * | 2018-12-29 | 2020-07-07 | 广东美的生活电器制造有限公司 | Cup body component and food processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090311 |
|
| CX01 | Expiry of patent term |