CN205338625U - Relief valve and pressure cooker for pressure cooker - Google Patents
Relief valve and pressure cooker for pressure cooker Download PDFInfo
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- CN205338625U CN205338625U CN201620021089.4U CN201620021089U CN205338625U CN 205338625 U CN205338625 U CN 205338625U CN 201620021089 U CN201620021089 U CN 201620021089U CN 205338625 U CN205338625 U CN 205338625U
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- valve
- pressure cooker
- fixture block
- spool
- hole
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Abstract
The utility model discloses a relief valve and pressure cooker for pressure cooker, this relief valve include the valve barrel, are fixed in the disk seat and the case of valve barrel, the valve barrel is equipped with air inlet and gas vent, the valve barrel with the inside valve pocket that forms of disk seat, the valve pocket with the air inlet intercommunication, the first end of case is equipped with and seals or open the sealing of air inlet, the second end of case is equipped with protruding fixture block, the relief valve is still including twising reverse the part for the pressure cooker, the sealing motion is to opening during the air inlet, twist reverse the part drive the case rotates extremely protruding fixture block card solid in the disk seat is in order to prevent valve core reset. The utility model discloses have non - automatic re -setting function, simple structure, low in manufacturing cost, the installation effectiveness is high.
Description
Technical field
This utility model relates to pressure cooker technical field, specifically refers to a kind of pressure reducing valve of pressure cooker and pressure cooker.
Background technology
On the pot cover of pressure cooker, except pressure limiting valve, it is additionally provided with some safety devices, it is prevented that pressure limiting valve causes explosion accident to occur after being plugged.These safety devices are generally relief valve, and after pressure limiting valve is plugged, the high pressure in pressure cooker can make relief valve be in pressure release state, and gas is discharged from relief valve.
Existing relief valve is made up of parts such as valve body, spool, spring, valve handles.When pressure limiting valve is plugged, the air pressure in pot can paranormal pressure limit time, in pot, gas acts on the elastic force more than spring of the pressure on spool, spool is made to increase, relief valve is at opening, to discharge the gases at high pressure in pot, it is prevented that pot inner pressure is excessive and danger of blasting.But, on the one hand, when pot inner high voltage gas constantly discharges, when pot inner pressure declines, spool may make relief valve close to existing relief valve under the action of the spring again.But now, but without dropping to normal pressure, still there is the potential safety hazard of quick-fried pot in the pressure in pot.On the other hand, the degree of the unlatching of the relief valve of existing structure is directly proportional to the air pressure in pot.If after air pressure declines, the speed of aerofluxus also just reduces.Therefore, it can not discharge gas with speed faster all the time.And have regulation in the existing new standard GB13623-2003 of Domestic pressure cooker: when pot inner pressure is more than 2-3.5 times of maximum nominal operating pressure scope, pressure relief mechanism answers automatic vent, makes pot inner pressure be discharged into below 20Kpa in 60 seconds.Obviously, existing relief valve is extremely difficult to above-mentioned new standard and specifies the requirement of Quick air-discharge.
Summary of the invention
For the defect overcoming prior art to exist, this utility model provides a kind of pressure reducing valve of pressure cooker, and this relief valve has Non auto-reset decompression function, it is possible to Quick air-discharge, and simple in construction, low cost of manufacture, it is simple to install.This utility model also provides for a kind of pressure cooker including above-mentioned relief valve.
For achieving the above object, this utility model is by the following technical solutions: this utility model pressure reducing valve of pressure cooker, including valve pocket, the valve seat being fixed on valve pocket and spool, described valve pocket is provided with air inlet and air vent；Described valve pocket and described valve seat are internally formed valve pocket, and described valve pocket connects with described air inlet, and the first end of described spool is provided with the sealing closing or opening described air inlet, and it is characterized in that the second end of described spool is provided with protruding fixture block；Described pressure reducing valve of pressure cooker also includes torsion components, and described sealing moves to when opening described air inlet, and described torsion components drives described valve core rotation to be fastened in described valve seat to stop valve core reset to described protruding fixture block.
Preferably, described valve seat is provided with mean for the through hole of described protruding fixture block traverse, and described protruding fixture block passes when exposing to described through hole, and described torsion components drives described valve core rotation to hang on the top of described valve seat to described protruding fixture block.
Further, described protruding fixture block is formed by the periphery projection of described spool the second end, the inner wall depression of described through hole is formed with the sub-through hole coordinated with described protruding fixture block, described protruding fixture block slides along described sub-through hole until exposing to described through hole, and the described protruding fixture block of described torsion components driving turns to and interlocks with described sub-through hole.
Yet further, described protruding fixture block is two rectangular-shaped projections of the periphery symmetry projection by described spool the second end, the shape of cross section of described through hole and sub-through hole and described spool the second end and the form fit of protruding fixture block.
Yet further, described torsion components is torsion spring, and described torsion spring includes lower pin and upper pin；Being set on described spool described torsion spring axial pretightening, and described lower pin is fixed on described spool, described upper pin is fixed on described valve pocket or described valve seat.
Yet further, described valve seat is provided with the first bayonet socket, and described sealing is provided with the second bayonet socket, described upper pin and described lower pin and is fastened in described first bayonet socket and described second bayonet socket respectively.
Yet further, described sealing is additionally provided with storage tank, and described second bayonet socket is through with described storage tank, and described spool also includes the valve rod extended by the center projection of described storage tank；Described valve seat is additionally provided with the locating slot connected with described through hole, and described first bayonet socket is through with described locating slot, and described torsion spring set is on described valve rod, and described torsion spring opposite end elastic top respectively is butted on described storage tank and the bottom land of described locating slot.
Yet further, described protruding fixture block is arranged on the described valve rod the first end away from described sealing, and is formed by the periphery projection of described valve rod.
Yet further, the inwall of described valve pocket is provided with bayonet socket, is provided with spacing block set outside described valve seat, and described valve seat is arranged in described valve pocket, and described spacing block set is buckled in described bayonet socket.
This utility model also provides for a kind of pressure cooker, and described pressure cooker includes above-mentioned pressure reducing valve of pressure cooker.
The beneficial effects of the utility model are in that: this utility model pressure reducing valve of pressure cooker has Non auto-reset function, simple in construction, low cost of manufacture, it is simple to install.This utility model pressure cooker is after pressure limiting valve is plugged, and the gases at high pressure in pot can be discharged rapidly by its relief valve.
Accompanying drawing explanation
Fig. 1 is the semi-section schematic diagram under this utility model pressure reducing valve of pressure cooker sealing state；
Fig. 2 is the structural representation under this utility model pressure reducing valve of pressure cooker exhaust condition；
Fig. 3 is Fig. 1 top view removing valve gap；
Fig. 4 is the structural representation of spool in Fig. 1；
Fig. 5 is the structural representation of spring in Fig. 1；
Fig. 6 is the structural representation of valve seat in Fig. 1.
In figure: valve pocket 1 (wherein: air inlet 11, air vent 12, bayonet socket 13)；Valve seat 2 (wherein: through hole 21, sub-through hole 22, the first bayonet socket 23, locating slot 24, spacing block set 25)；Valve pocket 3；Spool 4 (wherein: protruding fixture block 41, valve rod 42, sealing 43, the second bayonet socket 431, storage tank 432, sealing ring 433)；Torsion spring 5 (wherein: lower pin 51, upper pin 52)；Valve gap 6；Sealing gasket 7；Pot cover 8；Nut 9.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail, but this embodiment should not be construed restriction of the present utility model.
Incorporated by reference to seeing figures.1.and.2, a kind of pressure reducing valve of pressure cooker that this utility model provides, including the fixing valve pocket 1 connected and valve seat 2.Valve pocket 1 is provided with air inlet 11 and air vent 12, and air inlet 11 communicates with gas in pressure cooker.Valve pocket 1 and valve seat 2 are internally formed valve pocket 3, and valve pocket 3 connects with air inlet 11 and air vent 12.Being provided with spool 4 in valve pocket 3, the first end of spool 4 is provided with protruding fixture block 41, and the second end of spool 4 is provided with sealing 43, and sealing 43 can close or open air inlet 11, and sealing 43 arranged outside has the sealing ring 433 for strengthening its sealing property.
This relief valve also includes torsion components.Incorporated by reference to Fig. 1 and Fig. 2, after the air pressure in pressure cooker exceedes setting value, gases at high pressure are by sealing 43 jack-up of spool 4, sealing 43 moves to when opening air inlet 11, torsion components drives spool 4 to turn to protruding fixture block 41 and is fastened in valve seat 2 to stop spool 4 to reset, and gas is discharged from air vent 12 after air inlet 11 and valve pocket 3.
Being fastened in valve seat 2 for realizing protruding fixture block 41, refer to Fig. 4, protruding fixture block 41 is two rectangular-shaped projections of the periphery symmetry projection by spool 4 second end；Incorporated by reference to reference to Fig. 2 and Fig. 6, valve seat 2 is provided with mean for the through hole 21 of protruding fixture block 41 traverse, the inner wall depression of through hole 21 forms sub-through hole 22, through hole 21 is big hole, sub-through hole 22 is be symmetricly set on through hole 21 both sides and through with through hole 21 two small sircle holes, the form fit of the shape of cross section that through hole 21 and sub-through hole 22 combine and spool 4 second end and protruding fixture block 41.Incorporated by reference to Fig. 4 and Fig. 6, gases at high pressure are by spool 4 jack-up, protruding fixture block 41 slides along sub-through hole 22 until exposing to through hole 21, torsion components drives spool 4 to rotate, protruding fixture block 41 is interlocked with sub-through hole 22, final protruding fixture block 41 hangs on valve seat 2 top, it is achieved stop the purpose that spool 4 resets.It should be noted that gas is possible not only to discharge from air vent 12, it is also possible to discharge from through hole 21 and sub-through hole 22；Therefore, in other embodiments, valve pocket 1 can without arranging air vent 12.
Preferably, refer to Fig. 5, torsion components is torsion spring 5, is set on spool 4 torsion spring 5 axial pretightening.Torsion spring 5 includes lower pin 51 and upper pin 52.
For being set in spool 4 with realizing torsion spring 5 axial pretightening, refer to Fig. 6, valve seat 2 is provided with the first bayonet socket 23 and locating slot 24 that are mutually communicated, and locating slot 24 runs through first of valve seat 2, through hole 21 runs through second of valve seat 2, and through hole 21 connects with locating slot 24 and in coaxially arranged state.Refer to Fig. 4, sealing 43 is provided with the second bayonet socket 431 and storage tank 432 that are mutually communicated.Spool 4 also includes the valve rod 42 extended by the center projection of storage tank 432, and protruding fixture block 41 is arranged on valve rod 42 one end away from sealing 43, and is formed by the periphery projection of valve rod 42.
Refer to Fig. 1, the valve pocket 1 of this utility model relief valve is loaded on pot cover 8 after putting sealing gasket 7 and is connected fixing by nut 9.Under sealing state, the sealing 43 of spool 4 closes air inlet 11, and torsion spring 5, by axial pretightening, can change the rated pressure of relief valve by regulating the axial pre tightening force of torsion spring 5.In the present embodiment, incorporated by reference to Fig. 4-6, torsion spring 5 is enclosed within valve rod 42, its opposite end elastic top respectively is butted on storage tank 432 and the bottom land of locating slot 24, the lower pin 51 of torsion spring 5 fixes at the second bayonet socket 431, the upper pin 52 of torsion spring 5 fixes at the first bayonet socket 23, is set on spool 4 so that the sealing 43 of spool 4 is reinforced under the elastic force effect of torsion spring 5 and is sealed into QI KOU 11 such torsion spring 5 axial pretightening.It should be noted that the upper pin 52 of torsion spring 5 can also fix at valve pocket 1.Refer to Fig. 2, under pressure release state, spool 4 is by the gases at high pressure jack-up in pot, protruding fixture block 41 slides until after exposing to through hole 21 along sub-through hole 22, torsion spring 5 discharges axial pre tightening force and drives spool 4 to rotate, protruding fixture block 41 is interlocked with sub-through hole 22, and final protruding fixture block 41 hangs on valve seat 2 top, it is achieved stop the purpose that spool 4 resets.After pressure release completes, back being rotated to an angle by spool 4 with hands, protruding fixture block 41 falls in through hole 21, and spool 4 drives sealing 43 to close air inlet 11 under the restoring force of torsion spring 5 and the effect of gravity thereof, it may be achieved hand-reset.
It is fixed on valve pocket 1 for realizing valve seat 2, incorporated by reference to reference to Fig. 1, Fig. 3 and Fig. 6, outside valve seat 2, is provided with spacing block set 25；Valve pocket 1 is provided with several bayonet sockets 13 away from the upper edge of air inlet 11.Valve seat 2 is sleeved in valve pocket 1 from the upper end of valve pocket 1, and spacing block set 25 is buckled in corresponding bayonet socket 13, so that valve seat 2 is fixed on valve pocket 1.
In order to protect, and prevent valve seat 2 from coming off on valve pocket 1, refer to Fig. 1, this utility model relief valve also includes center valve gap with holes 6, valve gap 6 and valve pocket 1 and is threaded connection, and covers valve seat 2.The center apertured of valve gap 6, to avoid valve gap 6 to block the through hole 21 of valve seat 2.It should be noted that in other embodiments, it is also possible to being provided with draw-in groove in valve gap 6, spacing block set 25 is arranged in the draw-in groove of valve gap 6 and makes valve seat 2 be fixed on valve pocket 1.
This utility model also provides for a kind of pressure cooker, and this pressure cooker includes the pressure reducing valve of pressure cooker of above-described embodiment.After the valve pocket 1 of pressure reducing valve of pressure cooker puts sealing gasket 7, it is loaded on the pot cover 8 of pressure cooker and is connected fixing by nut 9.
The content not being described in detail in this specification, belongs to the known prior art of those skilled in the art.
Claims (10)
1. a pressure reducing valve of pressure cooker, including valve pocket (1), the valve seat (2) being fixed on valve pocket (1) and spool (4), described valve pocket (1) is provided with air inlet (11) and air vent (12)；Described valve pocket (1) and described valve seat (2) are internally formed valve pocket (3), described valve pocket (3) connects with described air inlet (11), first end of described spool (4) is provided with the sealing (43) closing or opening described air inlet (11), it is characterised in that:
Second end of described spool (4) is provided with protruding fixture block (41)；
Described pressure reducing valve of pressure cooker also includes torsion components, described sealing (43) moves to when opening described air inlet (11), and described torsion components drives described spool (4) to turn to described protruding fixture block (41) and is fastened in described valve seat (2) to stop spool (4) to reset.
2. pressure reducing valve of pressure cooker according to claim 1, it is characterized in that: described valve seat (2) is provided with mean for the through hole (21) of described protruding fixture block (41) traverse, described protruding fixture block (41) passes when exposing to described through hole (21), and described torsion components drives described spool (4) to turn to described protruding fixture block (41) and hangs on the top of described valve seat (2).
3. pressure reducing valve of pressure cooker according to claim 2, it is characterized in that: described protruding fixture block (41) is formed by the periphery projection of described spool (4) second end, the inner wall depression of described through hole (21) is formed with the sub-through hole (22) coordinated with described protruding fixture block (41), described protruding fixture block (41) is slided along described sub-through hole (22) until exposing to described through hole (21), and the described protruding fixture block (41) of described torsion components driving turns to be interlocked with described sub-through hole (22).
4. pressure reducing valve of pressure cooker according to claim 3, it is characterized in that: described protruding fixture block (41) is by the form fit of two rectangular-shaped projections of the periphery symmetry projection of described spool (4) second end, the shape of cross section of described through hole (21) and sub-through hole (22) and described spool (4) second end and protruding fixture block (41).
5. pressure reducing valve of pressure cooker according to claim 2, it is characterised in that: described torsion components is torsion spring (5), and described torsion spring (5) includes lower pin (51) and upper pin (52)；It is set on described spool (4) described torsion spring (5) axial pretightening, and described lower pin (51) is fixed on described spool (4), described upper pin (52) is fixed on described valve pocket (1) or described valve seat (2).
6. pressure reducing valve of pressure cooker according to claim 5, it is characterized in that: described valve seat (2) is provided with the first bayonet socket (23), described sealing (43) is provided with the second bayonet socket (431), and described upper pin (52) and described lower pin (51) are fastened in described first bayonet socket (23) and described second bayonet socket (431) respectively.
7. pressure reducing valve of pressure cooker according to claim 6, it is characterized in that: described sealing (43) is additionally provided with storage tank (432), described second bayonet socket (431) is through with described storage tank (432), and described spool (4) also includes the valve rod (42) extended by the center projection of described storage tank (432)；Described valve seat (2) is additionally provided with the locating slot (24) connected with described through hole (21), described first bayonet socket (23) is through with described locating slot (24), described torsion spring (5) is enclosed within described valve rod (42), and described torsion spring (5) opposite end elastic top respectively is butted on described storage tank (432) and the bottom land of described locating slot (24).
8. pressure reducing valve of pressure cooker according to claim 7, it is characterized in that: described protruding fixture block (41) is arranged on the described valve rod (42) the first end away from described sealing (43), and is formed by the periphery projection of described valve rod (42).
9. pressure reducing valve of pressure cooker according to claim 1, it is characterized in that: the inwall of described valve pocket (1) is provided with bayonet socket (13), described valve seat (2) outside is provided with spacing block set (25), described valve seat (2) is arranged in described valve pocket (1), and described spacing block set (25) is buckled in described bayonet socket (13).
10. a pressure cooker, it is characterised in that described pressure cooker includes the pressure reducing valve of pressure cooker according to any one of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021089.4U CN205338625U (en) | 2016-01-11 | 2016-01-11 | Relief valve and pressure cooker for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021089.4U CN205338625U (en) | 2016-01-11 | 2016-01-11 | Relief valve and pressure cooker for pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205338625U true CN205338625U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620021089.4U Active CN205338625U (en) | 2016-01-11 | 2016-01-11 | Relief valve and pressure cooker for pressure cooker |
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| Country | Link |
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| CN (1) | CN205338625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090360A (en) * | 2016-08-12 | 2016-11-09 | 胡海潮 | Anti-fricative pressure release reactor |
| CN111946225A (en) * | 2020-08-20 | 2020-11-17 | 简再东 | Automatic separation fireproof door and door frame thereof |
-
2016
- 2016-01-11 CN CN201620021089.4U patent/CN205338625U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090360A (en) * | 2016-08-12 | 2016-11-09 | 胡海潮 | Anti-fricative pressure release reactor |
| CN106090360B (en) * | 2016-08-12 | 2018-04-13 | 胡海潮 | Anti- fricative pressure release reaction kettle |
| CN111946225A (en) * | 2020-08-20 | 2020-11-17 | 简再东 | Automatic separation fireproof door and door frame thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |