CN2572883Y - Open stopping safty valve with elastic valve seat for pressure cooker - Google Patents
Open stopping safty valve with elastic valve seat for pressure cooker Download PDFInfo
- Publication number
- CN2572883Y CN2572883Y CN 02260551 CN02260551U CN2572883Y CN 2572883 Y CN2572883 Y CN 2572883Y CN 02260551 CN02260551 CN 02260551 CN 02260551 U CN02260551 U CN 02260551U CN 2572883 Y CN2572883 Y CN 2572883Y
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- Prior art keywords
- valve
- valve seat
- elastic
- valve rod
- pressure cooker
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Abstract
The utility model discloses an open stopping safety valve with an elastic valve seat, which is composed of a valve rod, a valve seat, an open stopping tongue piece, an open stopping piece and a spring, wherein the valve rod is hung on the valve seat, the upper end of the open stopping piece is connected with the open stopping tongue piece, and the lower part is matched with a guide groove on a lower handle; the spring is arranged between the middle part of the open stopping piece and an upper handle, the valve seat is an elastic valve seat, and the outer side is provided with an elastic groove matched with a cooker cover in a sealing way. The lower end of the valve rod is provided with a platform, and the diameter of the platform is larger than the diameter of an inner hole of the valve seat. The utility model can ensure the safety performance of the opening and the closing of the cover of a pressure cooker as well as can carry out pressure release when the pressure in the cooker is too high; one valve has multiple purposes, and the structure is simple.
Description
Technical field
The utility model relates to the pressure cooker manufacturing technology, and what especially relate to a kind of pressure cooker only drives safety valve.
Background technology
Existing pressure cooker generally is provided with pressure limiting valve, stopping valve, safety valve respectively, and the stopping valve major function is opened pot cover when preventing from the pot pressure to be arranged and met accident.Stopping valve by valve rod, valve seat, only open tongue piece, only open part, spring is formed, valve rod cap with cover is suspended on the valve seat; Only opening the upper end of part and only open tongue piece and link to each other, matches with guide groove on the lower handle in the bottom, and spring is located between the middle part and upper handle of only opening part.When pot body and pot cover fasten when not in place, only open part and under the effect of spring, make and only open the rising that tongue piece blocks valve rod, as pressure is arranged in the pot, can guarantee that pot inner pressure is in safe range by the gap pressure release of valve seat and valve rod.When pot body and pot cover fasten when putting in place, only open part and lower handle cooperate the compression spring to make only to open the lifting position that tongue piece is abdicated valve rod, valve rod has ascending motion space freely, as pressure is arranged in the pot, promoting valve rod rises in the hole of upper handle setting, stoped the reciprocating motion of only opening tongue piece, only open part and lower handle card jail, pot cover is not opened, guaranteed the security performance of uncapping, had only in pot inner pressure drops to the safe pressure scope, valve rod since the gravity effect fall, only opening tongue piece has reciprocating space, could the smooth opening pot cover.The valve seat of this stopping valve is fixed on the pot cover by fixture; the sealing ring sealing that valve rod and valve seat are provided with by the valve rod lower end; function of use is single, can not play the safeguard protection effect of release when the pressure cooker pot inner pressure is excessive, need be used just with safety valve to reach the safeguard protection requirement.
Utility model patent ZL99237321.2 discloses a kind of part-structure of pressure cooker stopping valve bar, comprise pressure cooker cover, be equipped with on the through hole of pressure cooker lid one lateral margin recess can upper and lower slip the stopping valve bar, stopping valve bar middle part offers runs through through hole, and this runs through and is provided with meltable partition in the through hole following side.Produce HTHP in the pressure cooker pot, and the safety valve on the pressure cooker is for some reason can't release the time, the gases at high pressure in the pot just break through meltable partition and go out a pot body through running through through hole, thereby reach the safeguard protection effect.But, eliminated in the national standard at present and used fuse sheet to make safety valve separately owing to adopt fuse sheet to have certain defective as safety valve.
Patent ZL98214955.7 discloses a kind of pressure cooker open and close cover safeties, it comprises safety valve of being made up of rubber base and seal bar and the self-locking mechanism of being made up of guard plate and spring, guard plate top hides on the seal bar top and has self-locking hole, the bottom is provided with guide rod, and lower end of the guide rod embeds lower handle and is in the guide groove of " V " font.The function of this utility model is to guarantee can't open when steam has not been arranged in disappointing step-down when pot cover does not close up and the pot function of pot cover, does not have the safety assurance function when pot inner pressure transships, and does not promptly possess the safety valve function on the practical significance.
Summary of the invention
The utility model proposes a kind of with elastic seat only drive safety valve, both can guarantee the security performance of pressure cooker open and close cover, again can pressure release when pot inner pressure is too high, simple in structure, multi-purpose valve.
The technical solution of the utility model is: a kind of pressure cooker with elastic seat is only driven safety valve, by valve rod, valve seat, only open tongue piece, only open part, spring is formed, valve rod is suspended on the valve seat; Only open the upper end of part and only open tongue piece and link to each other, match with guide groove on the lower handle in the bottom, spring is located between the middle part and upper handle of only opening part, described valve seat is an elastic seat, the outside is provided with elastic groove and pot cover is sealed and matched, and described valve rod lower end has the platform of diameter greater than the valve seat diameter of bore.
The lower edge diameter of described elastic groove is less than the upper edge diameter.
Described valve base inner wall is provided with bulge loop, and described valve rod middle part is provided with the boss that matches with bulge loop, is provided with through hole in the valve rod of boss bottom.The lower edge diameter of the elastic groove of this valve seat is greater than the upper edge diameter.
The utility model cooperates with valve rod, pot cover by elastic seat is set, when pot body and pot cover are buckled folding when not in place, only opening part makes under the effect of spring and only opens the rising that tongue piece blocks valve rod, as pressure is arranged in the pot, can guarantee that pot inner pressure is in safe range by the gap pressure release of valve seat and valve rod.When pot body and pot cover are buckled folding when putting in place, only open part and lower handle cooperate the compression spring to make only to open the lifting position that tongue piece is abdicated valve rod, valve rod has ascending motion space freely, as pressure is arranged in the pot, promoting valve rod rises in the hole of upper handle setting, stoped the reciprocating motion of only opening tongue piece, only opened part and lower handle card jail, pot cover is not opened, guaranteed the security performance of uncapping, the platform and the valve seat of stem lower portion are close to simultaneously, keep sealing, make the pressure cooker operate as normal.When pot inner pressure during greater than safety value, the platform of stem lower portion drives that whole valve seat is thrown off pot cover or the valve rod inner via hole is communicated with the gap of valve rod with valve seat, carries out pressure release, assurance pressure cooker safe in utilization.The function that had both had stopping valve has the function of safety valve again, also can save sealing ring simultaneously, really accomplishes multi-purpose valve, reduces the whole cost of pressure cooker, and can save safety valve on pot cover, makes the contour structures of pot cover arrange free, brief more.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is one embodiment of the present invention valve rod, valve seat, pot cover fit structure schematic diagram;
Fig. 3 is another kind of embodiment valve rod, valve seat, pot cover fit structure schematic diagram.
The specific embodiment
As Fig. 1, a kind of pressure cooker with elastic seat is only driven safety valve, by valve rod 4, valve seat 5, only open tongue piece 6, only open part 7, spring 8 is formed, valve rod 4 upper ends cap 13 with cover, be suspended from the valve seat 5, only opening the upper end of part 7 and only open tongue piece 6 and link to each other, matches with guide groove 10 on the lower handle 9 in the bottom, and spring 8 is located at 2 of the middle part of only opening part 7 and upper handles.
As Fig. 2, described valve seat 5 is an elastic seat, can be made by rubber, elastomer elastomeric material.Both sides are provided with elastic groove 14, and pot cover 1 closely is entrenched in the elastic groove 14, and valve rod 4 lower ends have platform 12, and its diameter is greater than valve seat 4 endoporus.
When pot body 1 and pot cover 11 fastenings are not in place,, can guarantee that pot inner pressure is in safe range by the gap pressure release of valve seat 5 with valve rod 4 as pressure is arranged in the pot.When pot body 1 puts in place with pot cover 11 fastenings,, promote valve rod 4 and rise in the hole 3 of upper handle 2 settings as pressure is arranged in the pot, pot cover is not opened, and has guaranteed the security performance of uncapping, and the platform 12 of valve rod 4 bottoms is close to valve seat 5 simultaneously, keep sealing, make pressure cooker operate as normal under certain pressure.When pot inner pressure during greater than safety value, the platform 12 of valve rod 4 bottoms drives whole valve seat 4 to rising and since the elastic groove 14 of valve seat 4 the lower edge diameter less than the upper edge diameter, whole valve seat distortion, pressure release is carried out in the sealing of disengagement and pot cover 1, guarantees the safe in utilization of pressure cooker.
As Fig. 3, described valve seat 5 inwalls are provided with bulge loop 15, and described valve rod 4 middle parts are provided with the boss 16 that matches with bulge loop 15, and the slightly larger in diameter of boss 16 is provided with through hole 17 in the internal diameter of bulge loop 15 in the valve rod of boss 16 bottoms.
When pot body 1 and pot cover 11 fastenings are not in place,, can guarantee that pot inner pressure is in safe range by the bulge loop 15 of valve seat 5 and the gap pressure release of valve rod 4 as pressure is arranged in the pot.When pot body 1 puts in place with pot cover 11 fastenings, as pressure is arranged in the pot, promoting valve rod 4 rises in the hole 3 of upper handle 2 settings, pot cover is not opened, guaranteed the security performance of uncapping, boss 16 on the valve rod is close to the bulge loop 15 on the valve seat 5 simultaneously, keeps sealing, makes pressure cooker operate as normal under certain pressure.When pot inner pressure during greater than safety value, promoting valve rod 4 continues to rise, since the elastic groove 14 of valve seat 4 the lower edge diameter greater than the upper edge diameter, therefore air pressure makes boss 16 on the valve rod cross bulge loop 15 on the valve seat 5, valve rod 4 bottom perforates 17 are communicated with the gap of valve rod 4 with the bulge loop 15 of valve seat 5, carry out pressure release, guarantee the safe in utilization of pressure cooker.
Claims (5)
1. the pressure cooker with elastic seat is only driven safety valve, by valve rod (4), valve seat (5), only open tongue piece (6), only open part (7), spring (8) is formed, valve rod (4) caps with cover (13) are suspended on the valve seat (5); The upper end of only opening part (7) with only open tongue piece (6) and link to each other, match with guide groove (10) on the lower handle (9) in the bottom, spring (8) is located between the middle part and upper handle (2) of only opening part (7), it is characterized in that: described valve seat (5) is an elastic seat, the outside is provided with elastic groove (14) and is sealed and matched with pot cover (1), and described valve rod (4) lower end has the platform (12) of diameter greater than valve seat (5) diameter of bore.
2. a kind of pressure cooker with elastic seat according to claim 1 is only driven safety valve, and it is characterized in that: the lower edge diameter of described elastic groove (14) is less than the upper edge diameter.
3. a kind of pressure cooker with elastic seat according to claim 1 is only driven safety valve, it is characterized in that: valve seat (5) inwall is provided with bulge loop (15), described valve rod (4) middle part is provided with the boss (16) that matches with bulge loop (15), is provided with through hole (17) in the valve rod (4) of boss (16) bottom.
4. a kind of pressure cooker with elastic seat according to claim 3 is only driven safety valve, and it is characterized in that: the slightly larger in diameter of described boss (16) is in the internal diameter of bulge loop (15).
5. a kind of pressure cooker with elastic seat according to claim 3 is only driven safety valve, and it is characterized in that: the lower edge diameter of described elastic groove (14) is greater than the upper edge diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02260551 CN2572883Y (en) | 2002-10-08 | 2002-10-08 | Open stopping safty valve with elastic valve seat for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02260551 CN2572883Y (en) | 2002-10-08 | 2002-10-08 | Open stopping safty valve with elastic valve seat for pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2572883Y true CN2572883Y (en) | 2003-09-17 |
Family
ID=33727583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02260551 Expired - Fee Related CN2572883Y (en) | 2002-10-08 | 2002-10-08 | Open stopping safty valve with elastic valve seat for pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2572883Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724734A (en) * | 2015-11-20 | 2017-05-31 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil and riveting assembly method for preventing riveting piece from deforming badly |
| CN107550253A (en) * | 2016-06-30 | 2018-01-09 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
-
2002
- 2002-10-08 CN CN 02260551 patent/CN2572883Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724734A (en) * | 2015-11-20 | 2017-05-31 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil and riveting assembly method for preventing riveting piece from deforming badly |
| CN107550253A (en) * | 2016-06-30 | 2018-01-09 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| CN107550253B (en) * | 2016-06-30 | 2023-12-12 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030917 Termination date: 20101008 |