CN210748730U - Safety pressure relief cooker - Google Patents
Safety pressure relief cooker Download PDFInfo
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- CN210748730U CN210748730U CN201921059700.2U CN201921059700U CN210748730U CN 210748730 U CN210748730 U CN 210748730U CN 201921059700 U CN201921059700 U CN 201921059700U CN 210748730 U CN210748730 U CN 210748730U
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- pot cover
- sealing plug
- elastic sealing
- cooker
- pressure relief
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Abstract
The utility model relates to a pan field discloses a safe pressure release pot, pot cover and the pot body including mutual interlock, pot cover central authorities are provided with the relief valve, be provided with a plurality of supplementary pressure release mechanisms around the even interval of pot cover circumference on the pot cover, supplementary pressure release mechanism is including fixing the fixed block at the pot cover inner wall, the fixed block includes upper end inclosed cavity and lower extreme opening towards the annular at pot cover center, be provided with the gas vent with the cavity intercommunication on the rampart of pot cover, be provided with the blow vent with the cavity intercommunication on the cell wall of annular, insert at the opening part interference of annular and be equipped with an elastic sealing plug, after the elastic sealing plug is impressed the annular in, expose the blow vent, the inside and outside intercommunication of cavity and pot cover, this safe pressure release pot security is high.
Description
Technical Field
The utility model relates to a pan field especially relates to a safe pressure release pot.
Background
In the heating process of the pressure cooker, the pressure in the cooker can be gradually increased, in order to ensure safety, a pressure limiting valve and a safety valve are arranged on a cooker cover of the pressure cooker, the pressure limiting valve limits working pressure, the safety valve determines safety pressure, cover teeth and cooker teeth are of a horizontal structure, and the cover teeth are clamped below the cooker teeth through screwing. When the cooker is used, once the air passages of the pressure limiting valve and the safety valve are blocked, overpressure can be generated in the cooker, the cover teeth and the cooker teeth are approximately straightened and are in plastic deformation until the cooker cover and the cooker body are exploded, and therefore casualty accidents or damages to other surrounding objects are caused.
Chinese patent publication No. CN1586374B discloses a high safety pressure cooker, which mainly comprises a cooker body and a cooker cover, wherein a sealing ring and the cooker body form a floating sealing structure, cover teeth and cooker teeth are respectively made into opposite hook shapes, and the lower lip edge of the sealing ring is designed into a corrugated shape or a toothed shape, so that a plurality of lines of defense are added to prevent the pressure cooker from explosion. When the structure is used for pressure relief, the pressure in the cooker is discharged downwards, the phenomenon of uneven discharged pressure can still be caused, and the downward discharge easily causes the body of the pressure cooker to incline.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the shortcoming that prior art pressure release leads to the pressure cooker to empty downwards, provide a safe pressure cooker.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a safe pressure relief pot, pot cover and the pot body including mutual interlock, pot cover central authorities are provided with the relief valve, be provided with a plurality of supplementary pressure relief mechanism around the even interval of pot cover circumference on the pot cover, supplementary pressure relief mechanism is including fixing the fixed block at the pot cover inner wall, the fixed block includes upper end inclosed cavity and lower extreme opening annular towards the pot cover center, be provided with the gas vent with the cavity intercommunication on the rampart of pot cover, be provided with the blow vent with the cavity intercommunication on the cell wall of annular, it is equipped with an elastic sealing plug to insert at the opening part interference of annular, after the elastic sealing plug is impressed in the annular, expose the blow vent, the inside and outside.
Adopt above-mentioned scheme, add supplementary pressure release mechanism, when the internal pressure of pot was too high, atmospheric pressure promoted the elastic sealing plug and moved to the ring groove bottom position, exposed the vent, made cavity and the inside and outside intercommunication of pot cover, steam in the pot body enters into the cavity from the annular and finally discharges from the gas vent in, because the gas vent sets up on the rampart of pot cover, steam level discharge pot cover can not lead to the pot cover to topple over.
Preferably, a resetting mechanism for resetting the elastic sealing plug after pressure relief is arranged in the annular groove.
By adopting the scheme, the arrangement of the resetting mechanism enables the cooker cover to be in a state of blocking the annular groove again after the pressure is relieved, so that the cavity is not communicated with the inside of the cooker cover.
Preferably, the return mechanism comprises a return spring fixedly arranged between the elastic sealing plug and the bottom of the ring groove.
By adopting the scheme, under the action of pressure, the return spring is compressed, the elastic sealing plug is pressed into the deep part of the annular groove to expose the vent hole, and at the moment, steam enters the cavity from the vent hole and is finally discharged from the exhaust port; after pressure relief, under the reset force of the reset spring, the elastic sealing plug moves outwards until the vent hole is blocked again, and at the moment, air cannot enter the cavity.
Preferably, the reset mechanism comprises a moving rod which extends outwards from one end of the elastic sealing plug close to the annular groove to the outside of the pot cover.
By adopting the scheme, under the action of pressure, the elastic sealing plug is pressed into the deep part of the annular groove to expose the vent hole, the moving rod extends out of the pot cover, and at the moment, steam enters the cavity from the vent hole and is finally discharged from the exhaust port; after pressure relief, the movable rod is pressed, the elastic sealing plug moves outwards until the vent hole is blocked again, and at the moment, air cannot enter the cavity.
Preferably, the return mechanism comprises a moving rod extending outwards from one end of the elastic sealing plug close to the ring groove to the outside of the pot cover, and a return spring sleeved on the moving rod between the bottom of the ring groove and the elastic sealing plug.
By adopting the scheme, the elastic sealing plug can block the vent hole again after pressure relief under the dual actions of the return spring and the moving rod.
Preferably, when the elastic sealing plug blocks the vent hole, one end of the moving rod far away from the elastic sealing plug is flush with the outer wall of the pot cover.
By adopting the scheme, the attractiveness can be improved.
Preferably, the elastic sealing plug comprises a plugging section which is inserted into the annular groove in an interference manner and a deformation section which is arranged in a trumpet shape and gradually increases from one end of the plugging section, which is far away from the annular groove, to the outer diameter.
By adopting the scheme, the trumpet-shaped deformation section is arranged to intensively push the air pressure to the center of the deformation section, so that the deformation section is deformed and pressed into the annular groove.
Preferably, the travel bar is made of stainless steel or wood.
By adopting the scheme, the stainless steel or wood can resist high temperature.
Preferably, the elastic sealing plug is made of rubber.
By adopting the scheme, the rubber can resist high temperature and has deformability.
The utility model discloses owing to adopted above technical scheme, have following technological effect: an auxiliary pressure relief mechanism is additionally arranged, when the pressure in the pot body is overhigh, the air pressure pushes the elastic sealing plug to move to the bottom of the ring groove, the vent hole is exposed, the cavity is communicated with the inside and the outside of the pot cover, steam in the pot body enters the cavity from the ring groove and is finally discharged from the exhaust port, and the steam is horizontally discharged out of the pot cover due to the fact that the exhaust port is arranged on the ring wall of the pot cover, so that the pot cover cannot topple; set up canceling release mechanical system and make the cavity not communicate with the pot cover is inside again after the pressure release, be convenient for supplementary pressure release mechanical system's reuse, this safety pressure release pot security is high, can prevent effectively that the pot from empting.
Drawings
Fig. 1 is an axonometric view of a safety pressure relief cooker in embodiment 1 of the present invention;
fig. 2 is a front view of the pot cover in embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a sectional view of a pot cover according to embodiment 2 of the present invention;
fig. 5 is a sectional view of the pot cover according to embodiment 3 of the present invention;
fig. 6 is an enlarged view of a in fig. 5.
The names of the parts indicated by the numerical references in the above figures are as follows: 1. a pot cover; 2. a pan body; 3. a pressure relief valve; 4. an exhaust port; 5. a fixed block; 501. a cavity; 502. a ring groove; 503. a vent; 6. a return spring; 7. an elastic sealing plug; 701. a plugging section; 702. a deformation section; 8. a travel bar; 9. and (4) inserting the jack.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A safe pressure relief cooker comprises a cooker cover 1 and a cooker body 2 which are mutually meshed, a pressure relief valve 3 is arranged in the center of the cooker cover 1, a plurality of auxiliary pressure relief mechanisms are uniformly arranged on the cooker cover 1 at intervals along the circumferential direction of the cooker cover 1 and comprise fixing blocks 5 fixed on the inner wall of the cooker cover 1, the fixing blocks 5 are made of the same material as the cooker cover 1 and are integrally arranged with the cooker cover 1, each fixing block 5 comprises a cavity 501 with the upper end closed and a ring groove 502 with the lower end opening facing the center of the cooker cover 1, an exhaust port 4 communicated with the cavity 501 is arranged on the ring wall of the cooker cover 1, more than one vent 503 communicated with the cavity 501 is arranged on the groove wall of the ring groove 502, an elastic sealing plug 7 is inserted at the opening of the ring groove 502 in an interference manner, the elastic sealing plug 7 is made of rubber, when the elastic sealing plug, the cavity 501 is communicated with the inside and the outside of the pot cover 1.
The elastic sealing plug 7 comprises a plugging section 701 which is inserted into the ring groove 502 in an interference manner and a deformation section 702 which is arranged from one end of the plugging section 701 far away from the ring groove 502 to the outside and gradually increases in outer diameter and is in a trumpet shape.
A return mechanism for returning the elastic sealing plug 7 after pressure relief is arranged in the ring groove 502, and the return mechanism comprises a return spring 6 fixedly arranged between the elastic sealing plug 7 and the bottom of the ring groove 502 as shown in the figure.
Compared with the prior art, the embodiment is additionally provided with the auxiliary pressure relief mechanism, when the pressure in the pot body 2 is too high, the air pressure pushes the elastic sealing plug 7 to displace towards the bottom of the ring groove 502, the vent 503 is exposed, the cavity 501 is communicated with the inside and the outside of the pot cover 1, and steam in the pot body 2 enters the cavity 501 from the ring groove 502 and is finally discharged from the exhaust port 4; after decompression, under the restoring force of the restoring spring 6, the elastic sealing plug 7 moves outward until the vent 503 is blocked again, at which time air cannot enter the cavity 501.
The exhaust port 4 is arranged on the annular wall of the pot cover 1, so that steam is horizontally exhausted out of the pot cover 1, and the pot cover 1 cannot be toppled over; set up canceling release mechanical system and make cavity 501 not communicate with pot cover 1 inside again after the pressure release, be convenient for supplementary pressure release mechanical system's reuse, this safety pressure release pot security is high, can effectively prevent that the pot from empting.
Example 2
Compared with the embodiment 1, the ring wall of the pot cover 1 of the embodiment is provided with the insertion hole 9, the resetting mechanism includes the moving rod 8 extending from one end of the elastic sealing plug 7 close to the ring groove 502 to the outside of the pot cover 1, and the moving rod 8 is inserted and matched with the insertion hole 9.
When the elastic sealing plug 7 blocks the vent 503, the end of the moving rod 8 far away from the elastic sealing plug 7 is flush with the outer wall of the pot cover 1.
Under the action of pressure, the elastic sealing plug 7 is pressed into the deep part of the ring groove 502 to expose the vent opening 503, the moving rod 8 extends out of the pot cover 1, and at the moment, steam enters the cavity 501 from the vent opening 503 and is finally discharged from the exhaust port 4; after venting, the plunger 8 is pushed and the flexible sealing plug 7 moves outward until it blocks the vent 503 again, at which time air cannot enter the cavity 501.
Example 3
In this embodiment, in combination with embodiment 1 and embodiment 2, the return mechanism of this embodiment includes a moving rod 8 extending horizontally outward from one end of the elastic sealing plug 7 close to the ring groove 502 to the outside of the lid 1, and a return spring 6 sleeved on the moving rod 8 between the bottom of the ring groove 502 and the elastic sealing plug 7.
The dual action of the return spring 6 and the travel bar 8 ensures that the resilient sealing plug 7 can re-block the vent 503 after venting.
Claims (9)
1. The utility model provides a safe pressure release pot, includes pot cover (1) and the pot body (2) of mutual interlock, pot cover (1) central authorities are provided with relief valve (3), its characterized in that: be provided with a plurality of supplementary pressure release mechanisms around pot cover (1) circumference even interval on pot cover (1), supplementary pressure release mechanism is including fixing fixed block (5) at pot cover (1) inner wall, fixed block (5) include upper end inclosed cavity (501) and lower extreme opening ring groove (502) towards pot cover (1) center, be provided with on the rampart of pot cover (1) gas vent (4) with cavity (501) intercommunication, be provided with on the cell wall of ring groove (502) blow vent (503) with cavity (501) intercommunication, it has an elastic sealing plug (7) to insert in the opening part interference of ring groove (502), after elastic sealing plug (7) is impressed in ring groove (502), blow vent (503) expose, inside and outside intercommunication of cavity (501) and pot cover (1).
2. A safety pressure relief cooker as claimed in claim 1, wherein: a resetting mechanism which enables the elastic sealing plug (7) to reset after pressure relief is arranged in the annular groove (502).
3. A safety pressure relief cooker as claimed in claim 2, wherein: the reset mechanism comprises a reset spring (6) fixedly arranged between the elastic sealing plug (7) and the bottom of the ring groove (502).
4. A safety pressure relief cooker as claimed in claim 2, wherein: the reset mechanism comprises a moving rod (8) which extends outwards from one end of the elastic sealing plug (7) close to the annular groove (502) to the outside of the pot cover (1).
5. A safety pressure relief cooker as claimed in claim 2, wherein: the reset mechanism comprises a moving rod (8) extending outwards from one end of the elastic sealing plug (7) close to the ring groove (502) to the outside of the pot cover (1) and a reset spring (6) sleeved on the moving rod (8) between the bottom of the ring groove (502) and the elastic sealing plug (7).
6. A safety pressure relief cooker as claimed in claim 4 or 5, wherein: when the elastic sealing plug (7) blocks the vent hole (503), one end of the moving rod (8) far away from the elastic sealing plug (7) is flush with the outer wall of the pot cover (1).
7. A safety pressure relief cooker as claimed in claim 1, wherein: the elastic sealing plug (7) comprises a plugging section (701) which is inserted into the annular groove (502) in an interference manner and a deformation section (702) which is arranged in a trumpet shape and gradually increases from one end of the plugging section (701) far away from the annular groove (502) to the outer diameter.
8. A safety pressure relief cooker as claimed in claim 6, wherein: the moving rod (8) is made of stainless steel or wood.
9. A safety pressure relief cooker as claimed in claim 1, wherein: the elastic sealing plug (7) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059700.2U CN210748730U (en) | 2019-07-09 | 2019-07-09 | Safety pressure relief cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059700.2U CN210748730U (en) | 2019-07-09 | 2019-07-09 | Safety pressure relief cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210748730U true CN210748730U (en) | 2020-06-16 |
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ID=71028541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921059700.2U Active CN210748730U (en) | 2019-07-09 | 2019-07-09 | Safety pressure relief cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210748730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732277A (en) * | 2021-12-27 | 2022-07-12 | 浙江永达不锈钢制品有限公司 | Pressure cooker pressure relief safety structure |
-
2019
- 2019-07-09 CN CN201921059700.2U patent/CN210748730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732277A (en) * | 2021-12-27 | 2022-07-12 | 浙江永达不锈钢制品有限公司 | Pressure cooker pressure relief safety structure |
| CN114732277B (en) * | 2021-12-27 | 2023-09-19 | 浙江永达不锈钢制品有限公司 | Pressure release safety structure of pressure cooker |
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