CN206563111U - Safety valve and the cooking utensils with it - Google Patents
Safety valve and the cooking utensils with it Download PDFInfo
- Publication number
- CN206563111U CN206563111U CN201720224185.3U CN201720224185U CN206563111U CN 206563111 U CN206563111 U CN 206563111U CN 201720224185 U CN201720224185 U CN 201720224185U CN 206563111 U CN206563111 U CN 206563111U
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- China
- Prior art keywords
- bonnet
- valve
- core assembly
- safety valve
- magnetic part
- Prior art date
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- Withdrawn - After Issue
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Abstract
The utility model provides a kind of safety valve and the cooking utensils with it.Safety valve includes：Installation cavity is provided with valve body, the first end of valve body is provided with the air inlet connected with installation cavity, valve body and is provided with the gas outlet connected with installation cavity；Bonnet, bonnet is arranged on second end relative with first end of valve body；Core assembly is arranged in installation cavity and can moved back and forth along the first end of valve body to the direction at the second end；Flexible member is arranged in installation cavity, and two ends are supported on core assembly and bonnet respectively；The lower end of core assembly is plugged in air inlet in the presence of flexible member；The upper end of core assembly and bonnet are arranged to the magnetic structure attracted each other；When absorption affinity between magnetic structure overcomes the elastic resistance of flexible member, core assembly is driven to open air inlet and realize lasting exhaust.Safety valve of the present utility model and cooking utensils with it can realize lasting exhaust, and the stability in use of safety valve is high.
Description
Technical field
The utility model is related to kitchen utensils technical field, in particular to a kind of safety valve and the culinary art with it
Kitchen tools.
Background technology
Patent document CN201610177846.1 provides a kind of safety valve and the cooking apparatus with it.The patent document
Middle safety valve includes valve seat, and the valve seat has valve port, installation passage and limiting section, and the valve seat is away from the limiting section
Position is provided with installation neck；Balance element, the balance element is installed in the installation passage, and the balance element includes being oppositely arranged
Closure end and free end, the free end be provided with the limiting section coordinate buckle pivot point portion, the closure end is supported
The valve port is sealed, and can be rotated around the pivot point portion；Elastic component, the elastic component is arranged on the installation neck and described
Between closure end, and elastic component elasticity is resisted against the installation neck and the closure end；The closure end is in driving force and institute
In the presence of the elastic force for stating elastic component, turn to and be upturned around the pivot point portion, and the free end declines and stopped
It is blocked in the valve seat.
Above-mentioned safety valve it is complicated, the parts used are irregular shape.Its balance element can not be used
Metal is accurately processed, and uses injection molding to there is the drawbacks such as deform, shrink, size is unstable, thermo-labile.Its elasticity
Part be different from Conventional springs, after machine-shaping elasticity it is extremely unstable, for switch etc. on the less demanding product of elastic force still,
For the such product for having exact requirements to elastic force of safety valve, it can cause greatly uncertain to means for operation pressure of safety valve,
It is difficult to realize the lasting exhaust of safety valve.
Utility model content
Main purpose of the present utility model is to provide a kind of safety valve and the cooking utensils with it, to solve existing skill
The problem of safety valve in art is difficult to realize lasting exhaust.
To achieve these goals, according to one side of the present utility model there is provided a kind of safety valve, including：Valve body,
Installation cavity is provided with valve body, the first end of valve body is provided with the air inlet connected with installation cavity, valve body and is provided with and installs
The gas outlet of chamber connection；Bonnet, bonnet is arranged on second end relative with first end of valve body；Core assembly, core assembly peace
In installation cavity and can along valve body first end to the second end direction move back and forth；Flexible member, flexible member is set
In installation cavity, and the two ends of flexible member are supported on core assembly and bonnet respectively；The lower end of core assembly is in elastic member
Air inlet is plugged in the presence of part；The upper end of core assembly and bonnet are arranged to the magnetic structure attracted each other；Wherein, magnetic
When absorption affinity between structure overcomes the elastic resistance of flexible member, core assembly is driven to open air inlet and realize lasting row
Gas.
Further, the magnetic part that the upper end of core assembly is provided with, bonnet is using the solid material that can be adsorbed by magnetic part
Material is made, and magnetic structure includes magnetic part and bonnet.
Further, core assembly includes valve element, and valve element includes core portion, and the lower end of core portion, which is provided with, to be used to block air inlet
The blocking head of mouth, the upper end of core portion is provided with groove, and magnetic part is the magnet in groove.
Further, mounting hole is provided with bonnet, mounting hole is connected with installation cavity；Core portion upper end is additionally provided with valve rod
Portion, valve stem is through mounting hole and exposes to bonnet, and valve stem exposes to one end of bonnet and is provided with valve handle.
Further, groove is annular groove, and annular groove encloses the periphery for being located at valve stem；Magnetic part is installed in annular
Annular magnet in groove.
Further, outward flange is provided with core portion, flexible member is spring, and spring is set on valve element, and spring
Two ends support respectively on bonnet and outward flange.
Further, core portion and valve body are made using the solid material that can not be adsorbed by magnetic part.
Further, the lower end of bonnet is provided with magnetic part, and core assembly is using the solid material that can be adsorbed by magnetic part
Make and, magnetic structure include magnetic part and core assembly.
Further, magnetic structure includes the S poles magnet and N poles magnet mutually adsorbed, S poles magnet and N poles magnet difference
Arbitrarily it is arranged on the lower end of bonnet and the upper end of core assembly.
According to another fermentation of the present utility model there is provided a kind of cooking utensils, including safety valve, safety valve is above-mentioned
Safety valve.
Using the technical solution of the utility model, during using safety valve in the utility model, safety valve is arranged on it
On his structure, such as pressure cooker, now, arranged at safety valve is more than magnetic in closure state, the elastic force that flexible member applies to valve element
Absorption affinity of the part to bonnet so that core assembly blocks air inlet.When the steam in pressure cooker from air inlet enters peace
In behaveing affectedly, with the rise of air pressure, core assembly is connected by jacking, air inlet with gas outlet, and then realizes degassing function.This
When, when the absorption affinity between magnetic part and bonnet overcomes the elastic resistance of flexible member, magnetic part is adsorbed on bonnet, drives valve
Core assembly opens air inlet so that air inlet and gas outlet keep connected state, realizes lasting exhaust, it is ensured that the use of safety valve
Stability.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 diagrammatically illustrates sectional view of the arranged at safety valve of the present utility model when open mode；
Fig. 2 diagrammatically illustrates sectional view of the utility model arranged at safety valve when closure state；
Fig. 3 diagrammatically illustrates the decomposition view of the core assembly of safety valve of the present utility model；And
Fig. 4 diagrammatically illustrates the decomposition view of safety valve of the present utility model.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, valve body；11st, installation cavity；12nd, air inlet；13rd, gas outlet；14th, stud section；20th, bonnet；21st, mounting hole；30、
Core assembly；31st, valve element；311st, core portion；312nd, valve stem；313rd, groove；314th, outward flange；32nd, magnetic part；40th, it is elastic
Element；50th, valve handle；60th, sealing ring；70th, fastener.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing process, method, system, product or the equipment of series of steps or unit not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Referring to shown in Fig. 1 to Fig. 4, according to embodiment of the present utility model there is provided a kind of safety valve, in the present embodiment
Safety valve includes valve body 10, bonnet 20, core assembly 30 and flexible member 40.
Installation cavity 11 is provided with valve body 10, core assembly 30 and flexible member 40 is easily installed.The first end of valve body 10
It is provided with the air inlet 12 connected with installation cavity 11, the side wall of valve body 10 and is provided with the gas outlet 13 connected with installation cavity 11；
Bonnet 20 is arranged on second end relative with first end of valve body 10；Core assembly 30 is arranged in installation cavity 11 and can be along valve
The first end of body 10 to the direction at the second end is moved back and forth, when core assembly 30 is moved back and forth in installation cavity 11, by air inlet
12 open or close.
The upper end of core assembly 30 and bonnet 20 are arranged to the absorption affinity between the magnetic structure attracted each other, magnetic structure
When overcoming the elastic resistance of flexible member 40, drive core assembly 30 to open air inlet 12 and realize lasting exhaust.
In a kind of embodiment of utility model, core assembly 30 includes valve element 31 and the magnetic part being arranged on valve element 31
32, bonnet 20 is made using the solid material that can be adsorbed by magnetic part 32, and above-mentioned magnetic structure includes magnetic here
Property part 32 and bonnet 20.
Certainly, in other embodiment of the present utility model, magnetic part 32 can also be set in the lower end of bonnet 20, and by valve
Core assembly 30 made using the solid material that can be adsorbed by the magnetic part 32 and, now, magnetic structure includes magnetic here
Property part 32 and core assembly 30.
Flexible member 40 is arranged in installation cavity 11, and the two ends of flexible member 40 are supported in valve element 31 and bonnet 20 respectively
On, by the effect of flexible member 40 and magnetic part 32, it is easy to so that valve element 31 is moved back and forth in installation cavity 11.
Wherein, when safety valve is closed, the elastic force that flexible member 40 applies to valve element 31 is more than the absorption between magnetic structure
Power；When safety valve is opened, the absorption affinity being less than to the elastic force that valve element 31 applies between magnetic structure of flexible member 40, elasticity member
Part 40 will not automatically reset, and be easy to safety valve to realize lasting exhaust.
According to above-mentioned structure it is recognised that during using safety valve in the present embodiment, safety valve is tied installed in other
On structure, such as pressure cooker, now, arranged at safety valve is more than magnetic in closure state, the elastic force that flexible member 40 applies to valve element 31
Absorption affinity of the part 32 to bonnet 20 so that core assembly 30 blocks air inlet 12.When the steam in pressure cooker is from air inlet
12 are entered in installation cavity 11, and with the rise of air pressure, core assembly 30 is connected with gas outlet 13, entered by jacking, air inlet 12
And realize degassing function.Now, when the absorption affinity between magnetic part 32 and bonnet 20 overcomes the elastic resistance of flexible member 40, magnetic
Property part 32 adsorb on bonnet 20, drive core assembly 30 to open air inlet 12 so that air inlet 12 and gas outlet 13 keep connecting
Logical state, realizes lasting exhaust, it is ensured that the stability in use of safety valve.
It can be seen that, during distance reduces between the magnetic part 32 and bonnet 20 in the present embodiment, the absorption affinity of magnetic part 32
Growth rate is faster than the growth rate of the repulsive force of flexible member 40.In design, the initial of magnetic part 32 and bonnet 20 is calculated
Distance, now the repulsive force of flexible member 40 be more than magnetic part 32 absorption affinity.When magnetic part 32 is adsorbed on bonnet 20, bullet
Property element 40 repulsive force be less than magnetic part 32 absorption affinity.
So, because the absorption affinity of now magnetic part 32 is less than the repulsive force of flexible member 40, core assembly 30 is made downwards
With empty with the lower section of valve body 10 forms sealing state, and now, arranged at safety valve is in not starting state；And when pressure pot inner pressure surpasses
When crossing setting value, safety valve start and it is in running order, core assembly 30 is pushed up by the air pressure in pressure cooker, magnetic part
32 are constantly reduced with the distance of bonnet 20；When the absorption affinity of magnetic part 32 is more than the repulsive force of flexible member 40, magnetic part 32
Driving core assembly 30, motion, up to absorption is on bonnet 20, is not fallen out upwards, is kept exhaust condition, is realized what is be persistently vented
Purpose.
The present embodiment magnetic structure includes the S poles magnet and N poles magnet mutually adsorbed, during design, by S poles magnet and N poles
Magnet is arbitrarily arranged on the lower end of bonnet 20 and the upper end of core assembly 30 respectively.
The cylindrical structure of valve body 10 in the present embodiment, installation cavity 11 is the centrally disposed circle along cylinder-like structure
Cavity, gas outlet 13 is multiple, and multiple gas outlets 13 circumferentially, are easy to the gas in installation cavity 11 along cylinder-like structure
Rapid discharge.Certainly, the valve body 10 in the present embodiment may be arranged as square tubular structure, and gas outlet 13 can also only be set
For one.
Mounting hole 21 is provided with bonnet 20 in the present embodiment, the mounting hole 21 is connected with installation cavity 11；Valve element 31 is wrapped
Core portion 311 and the valve stem 312 being arranged on core portion 311 are included, during installation, valve stem 312 passes through mounting hole 21 and exposed
In bonnet 20, and valve stem 312 and expose to one end of bonnet 20 and be provided with valve handle 50.
Generally, arranged at safety valve of the present utility model is in not starting state, and flexible member 40 applies to valve element 31
Elastic force is more than magnetic part 32 to the absorption affinity of bonnet 20, is easy to compress core assembly 30, and then air inlet 12 is blocked, and makes
Safety valve is obtained to be closed.And when the air pressure in pressure cooker exceedes setting value, core assembly 30 is by the gas in pressure cooker
Pressure is pushed up, and the distance of magnetic part 32 and bonnet 20 is constantly reduced；When the absorption affinity of magnetic part 32 is more than flexible member 40
During repulsive force, magnetic part 32 drives core assembly 30, and motion, up to absorption is on bonnet 20, is not fallen out upwards, keeps exhaust shape
State, realizes the purpose being persistently vented so that pot inner pressure will not be because valve element falls sealing after rise and raises again, it is ensured that uses peace
Entirely., can be by pressing valve handle 50 when needing to reuse so that core assembly 30 is moved to the direction close to air inlet 12
Reset, during this, the absorption affinity reduction that magnetic part 32 applies to bonnet 20, the elastic force that flexible member 40 applies to valve element 31 is big
In absorption affinity of the magnetic part 32 to bonnet 20, it is easy to compress core assembly 30, and then air inlet 12 is blocked so that safety
Valve is closed.
With reference to shown in Fig. 3, the lower end of the core portion 311 in the present embodiment is provided with the blocking head for being used for blocking air inlet 12,
Lid block head is preferably conical head, is easy to block air inlet 12, and the upper end of core portion 311 is provided with groove 313, magnetic part 32
For the magnet in groove 313.Preferably, the groove 313 is annular groove, and annular groove, which encloses, is located at valve stem 312
Periphery；Magnetic part 32 is the annular magnet in annular groove, and Stability Analysis of Structures is easy to magnetic part 32 to inhale bonnet 20
It is attached.
Can be by the way of rivet interlacement, mode connects for screw, bonding or necking fastening between magnetic part 32 and valve element 31
Link together, as long as other modes of texturing under design of the present utility model, in protection domain of the present utility model
Within.
Outward flange 314 is provided with core portion 311, flexible member 40 is spring, and the spring is set on valve element 31, and bullet
Support respectively on bonnet 20 and outward flange 314 at the two ends of spring.
In other embodiment of the present utility model, flexible member 40 can also be set to the structures such as elastic rubber ring,
As long as other modes of texturing under design of the present utility model, within protection domain of the present utility model.
The material that bonnet 20 uses but is not limited to 430 stainless steels or iron work etc. and can be adsorbed by magnetic part 32 be made and
Into, as long as other modes of texturing under design of the present utility model, within protection domain of the present utility model.
Core portion 311 and valve body 10 in the present embodiment are made using the solid material that can not be adsorbed by magnetic part 32
Form, it is to avoid valve element 31 and valve body 10 occur mutual attractive force with magnetic part 32 and influence the mutual suction of magnetic part 32 and bonnet 20
Draw, the phenomenon in turn resulting in safe defective valve is produced.
Valve element 31 in the present embodiment and or valve handle 50 and or valve body 10 use but be not limited to nylon or polypropylene or phenol
Urea formaldehyde is made.Nylon or polypropylene or phenolic resin have certain ability for bearing heat, ensure that this implementation
The service life and stability in use of safety valve in example.
Further in conjunction with shown in Fig. 1 to Fig. 4, fixation is connected through a screw thread between the bonnet 20 and valve body 10 in the present embodiment,
Certainly, can also be using riveting, pin connection, card between bonnet 20 and valve body 10 in other embodiment of the present utility model
Button connection is welded to connect, as long as other modes of texturing under design of the present utility model, in the utility model
Protection domain within.
Preferably, the side of the close installation cavity 11 of the bonnet 20 in the present embodiment sets fluted, during installation, elasticity member
The upper end of part 40 is located in groove, is easy to position flexible member 40, it is ensured that the structure of the safety valve in the present embodiment is steady
It is qualitative.At least two through holes extended along the thickness direction of bonnet 20 are additionally provided with bonnet 20, can be to valve by the through hole
Lid 20 is dismounted.
The end for being provided with air inlet 12 of valve body 10 in the present embodiment is provided with stud section 14, stud section 14 and is arranged
There are sealing ring 60 and fastener 70, be easy to the safety valve of the present embodiment being assembled on other structures, such as pressure cooker.It is preferred that
Fastener 70 in ground, the present embodiment is the structures such as clamp nut or pin for suppressing metal, as long as under design of the present utility model
Other modes of texturing, within protection domain of the present utility model.
According to another aspect of the present utility model there is provided a kind of cooking utensils, the cooking utensils in the present embodiment include
Safety valve, the safety valve is the safety valve in above-described embodiment.
Said structure in the present embodiment is it is recognised that all parts machinings life of safety valve of the present utility model
Production is all very simple.The flexible member used is conventional compression spring, and mature production technology, processing characteristics is stable, in work
When flexible member will not automatically reset, it is possible to achieve continuous exhaust pneumatic wallop.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of safety valve, including：
Be provided with installation cavity (11) on valve body (10), the valve body (10), the first end of the valve body (10) be provided with it is described
The gas outlet connected with the installation cavity (11) is provided with the air inlet (12) of installation cavity (11) connection, the valve body (10)
(13)；
Bonnet (20), the bonnet (20) is arranged on second end relative with first end of the valve body (10)；
Core assembly (30), the core assembly (30) is arranged in the installation cavity (11) and can be along the valve body (10)
First end to the direction at the second end is moved back and forth；
Flexible member (40), the flexible member (40) is arranged in the installation cavity (11), and the flexible member (40)
Support respectively on the core assembly (30) and the bonnet (20) at two ends；The lower end of the core assembly (30) is in elastic member
The air inlet (12) is plugged in the presence of part (40)；
Characterized in that, the upper end of the core assembly (30) and the bonnet (20) are arranged to the magnetic structure attracted each other；
Wherein, when the absorption affinity between the magnetic structure overcomes the elastic resistance of the flexible member (40), the valve is driven
Core assembly (30) opens the air inlet (12) and realizes lasting exhaust.
2. safety valve according to claim 1, it is characterised in that the magnetic part that the upper end of the core assembly (30) is provided with
(32), the bonnet (20) is made using the solid material that can be adsorbed by the magnetic part (32), the magnetic structure
Including the magnetic part (32) and the bonnet (20).
3. safety valve according to claim 2, it is characterised in that the core assembly (30) includes valve element (31), described
Valve element (31) includes core portion (311), and the lower end of the core portion (311) is provided with the blocking for being used for blocking the air inlet (12)
Head, the upper end of the core portion (311) is provided with groove (313), and the magnetic part (32) is in the groove (313)
Magnet.
4. safety valve according to claim 3, it is characterised in that be provided with mounting hole (21), institute on the bonnet (20)
Mounting hole (21) is stated to connect with the installation cavity (11)；
Core portion (311) upper end is additionally provided with valve stem (312), and the valve stem (312) passes through the mounting hole (21) simultaneously
Expose to the bonnet (20), and the valve stem (312) exposes to one end of the bonnet (20) and is provided with valve handle (50).
5. safety valve according to claim 4, it is characterised in that the groove (313) is annular groove, the annular is recessed
Groove encloses the periphery for being located at the valve stem (312)；
The magnetic part (32) is the annular magnet in the annular groove.
6. safety valve according to claim 3, it is characterised in that be provided with outward flange on the core portion (311)
(314), the flexible member (40) is spring, and the spring is set on the valve element (31), and the two ends point of the spring
Do not support on the bonnet (20) and the outward flange (314).
7. safety valve according to claim 3, it is characterised in that the core portion (311) and the valve body (10) are used
The solid material that can not be adsorbed by the magnetic part (32) is made.
8. safety valve according to claim 1, it is characterised in that the lower end of the bonnet (20) is provided with magnetic part (32),
The core assembly (30) is using the solid material making that can be adsorbed by the magnetic part (32), and the magnetic structure includes
The magnetic part (32) and the core assembly (30).
9. safety valve according to claim 1, it is characterised in that the magnetic structure includes the S poles magnet mutually adsorbed
With N poles magnet, S poles magnet and N poles magnet are arbitrarily arranged on the lower end of the bonnet (20) and the valve respectively
The upper end of core assembly (30).
10. a kind of cooking utensils, including safety valve, it is characterised in that the safety valve is any one of claim 1 to 9 institute
The safety valve stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720224185.3U CN206563111U (en) | 2017-03-08 | 2017-03-08 | Safety valve and the cooking utensils with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720224185.3U CN206563111U (en) | 2017-03-08 | 2017-03-08 | Safety valve and the cooking utensils with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563111U true CN206563111U (en) | 2017-10-17 |
Family
ID=60030946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720224185.3U Withdrawn - After Issue CN206563111U (en) | 2017-03-08 | 2017-03-08 | Safety valve and the cooking utensils with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206563111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931201A (en) * | 2017-03-08 | 2017-07-07 | 武汉苏泊尔炊具有限公司 | Safety valve and the cooking utensils with it |
| CN111706702A (en) * | 2020-06-23 | 2020-09-25 | 广东美的厨房电器制造有限公司 | Pressure valve and cooking device |
-
2017
- 2017-03-08 CN CN201720224185.3U patent/CN206563111U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931201A (en) * | 2017-03-08 | 2017-07-07 | 武汉苏泊尔炊具有限公司 | Safety valve and the cooking utensils with it |
| CN111706702A (en) * | 2020-06-23 | 2020-09-25 | 广东美的厨房电器制造有限公司 | Pressure valve and cooking device |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171017 Effective date of abandoning: 20230714 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171017 Effective date of abandoning: 20230714 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |