CN109084076A - A kind of gas stove air valve of multiplicity control fire - Google Patents
A kind of gas stove air valve of multiplicity control fire Download PDFInfo
- Publication number
- CN109084076A CN109084076A CN201811100715.9A CN201811100715A CN109084076A CN 109084076 A CN109084076 A CN 109084076A CN 201811100715 A CN201811100715 A CN 201811100715A CN 109084076 A CN109084076 A CN 109084076A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- spool
- valve
- air drain
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007789 gas Substances 0.000 description 51
- 239000000567 combustion gas Substances 0.000 description 27
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000002737 fuel gas Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/083—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of gas stove air valves of multiplicity control fire.Air valve passes the contact area in gas channel by the air drain on change air valve and accordingly, to change the size of interior ring fire and outer ring fire.Due to the special tectonic of air drain and arrangement on spool, so that this air valve realizes interior ring fire and the accurate synchronization control of outer ring fire, and make outer ring fire extinguishing back valve core that can also individually and fine control interior ring fire size variation.
Description
Technical field
The present invention relates to a kind of gas stove air valve of multiplicity control fire, especially a kind of gas-cooker gas comprising special spool
Valve.
Background technique
It is well known that most important control unit is exactly the air valve of gas-cooker in gas-cooker.The air valve control of gas-cooker
Size, the rate even flow direction of combustion gas of gas-cooker disengaging combustion gas are made.Therefore, air valve is indispensable one in gas-cooker
Part.Air valve on the market has been able to realize the switching of combustion gas access way now, however still has interior ring fire and outer ring
The synchronously control of fire is not stable enough, the low disadvantage of interior ring fire size controlling extent.
Summary of the invention
In order to solve existing disadvantage, can stablize the present invention provides one kind and accurately ring fire and outer in synchronously control
Ring fire, while can also individually and fine control the gas stove air valve of interior ring fire size variation.
The present invention be solve its technical problem and the technical solution adopted is that:
A kind of gas stove air valve of multiplicity control fire, including valve body, are internally provided with spool chamber, activity peace in the spool chamber
Equipped with spool.
Area of section is offered on the spool first to become smaller the inner ring air drain to become larger afterwards along the outer circle circumferential direction of spool, it is described
The endogenous fire venthole for being connected to the valve core inside is provided on inner ring air drain；Combustion gas enters inner ring by the endogenous fire venthole
After air drain, due to the first narrow rear wide special construction of the inner ring air drain, so that flow rate when combustion gas is flowed in air drain is
Version that is descending, then changing from small to big.
Outer circle circumferential direction gradually smaller outer ring air drain of the area of section along spool, the outer ring are offered on the spool
The outer fiery venthole for being connected to the valve core inside is provided on air drain；It is described when the spool rotates in the spool chamber
Outer ring air drain will gradually with the outer ring gas channel contact.Due to the structure that outer ring air drain becomes narrow gradually, outer ring air drain and logical
Descending variation tendency will be presented in the contact area in road, to control outer ring fire combustion gas；Flow rate size variation.
The side wall of the spool chamber, which is provided with, to cooperate the inner ring gas channel ventilated, institute with the inner ring air drain
The outer ring gas channel ventilated can be cooperated with the outer ring air drain by stating spool chamber side wall while being additionally provided with.The inner ring
When gas channel and outer ring gas channel are connect with endogenous fire venthole and outer fiery venthole, the flow path of combustion gas is connected to, and combustion gas obtains
With flowing.It is gradually changed by inner ring gas channel and outer ring gas channel and the contact area of inner and outer rings air drain, so that inner and outer rings
The fuel gas flow rate of fire gradually changes, and reaches the control effect to fuel gas flow rate.Due to inner ring gas channel and outer ring gas
Channel is connect with endogenous fire venthole and outer fiery venthole respectively simultaneously, ensure that control effect while when inside and outside ring fire is initial.
The middle of the inner ring air drain is provided with inner ring stomata, before the inner ring air drain is divided by the inner ring stomata
Inner ring air drain and rear inner ring air drain；When valve core rotation is to middle, the flow rate of combustion gas is minimum value.The inner ring stomata
Effectively the size of the minimum value can be defined.Preceding inner ring air drain and rear inner ring air drain can be realized internal ring fire combustion gas
The Discrete control of flow velocity.
The outer fiery venthole is located at outer ring air drain area of section maximum, the preceding inner ring air drain and rear inner ring air drain
Area of section maximum is respectively arranged with endogenous fire venthole.
The axial angle in inner ring gas channel and outer ring gas channel is 90 °, and the inner ring stomata and outer fiery venthole are all
On the same axis direction of valve core axis and preceding inner ring air drain and outer ring air drain equal length.Due to inner ring gas channel and outside
The axial direction angle in ring gas channel is in 90 °, and inside and outside fiery venthole is separately connected simultaneously with inner and outer rings gas channel, therefore is made
The axial direction angle for obtaining inside and outside fiery venthole is also in 90 °, is realized internally, the synchronously control effect of outer ring fire combustion gas.Due to
Inner ring stomata and outer ring air drain are all located on the same axis direction of spool and preceding inner ring air drain makes with outer ring air drain equal length
With at the end of the contact in outer ring gas channel, preceding inner ring air drain also terminates proper outer ring air drain simultaneously with the contact in inner ring gas channel,
Realize interior ring fire the smallest effect when outer ring fire extinguishes.
The spool is connected with one far from one end of the inner ring air drain and extends to valve rod outside valve body.The valve rod can
With simple, effectively the rotation of the spool is controlled.
Part of the valve rod except the valve body is also arranged with connecting plate, and the connecting plate passes through screw and the valve
Body is fixed, and the connecting plate is connected with the microswitch of igniting far from one end of the valve rod.Microswitch is used for point
Cooking stove burning, so that combustion gas can be ignited rapidly after being flowed out by air valve.
The connecting plate is provided with the gear slot for dividing gear at the position that it connect with the valve rod；The gear slot
Several gears can be provided for gas stove air valve, user has the control of flame when rotating the valve rod
Simple locating effect, so that the control to flame is more careful.
The valve rod is provided with location hole at the position that it connect with the connecting plate, and the positioning hole is equipped with and is somebody's turn to do
Gear slot can control the shift finger of the valve core rotation with merging.The shift finger can effectively make valve rod band movable valve plug one
The effect of transforming gear is realized with the cooperation of rotation, and the shift finger and the gear slot.
The body base is provided with air inlet, is provided with intake channel between the air inlet and spool chamber.It is described into
Port and intake channel can effectively introduce extraneous combustion gas in spool chamber.
An open accommodating cavity is offered in the insurance division, is provided with a blocking fuel gas path in the accommodating cavity
Solenoid valve, the piston of the solenoid valve are connected in the intake channel.
The valve body is provided with insurance division far from the side in inner ring gas channel, and the intake channel passes through the insurance
Portion；A solenoid valve connecting with external thermocouple is provided in the insurance division；The solenoid valve top, which is provided with, to be used for transmission
The contact pin of flare up fire.The contact pin is connected with the thermocouple outside one, and whether the thermocouple can incude has flame.Work as institute
After stating microswitch igniting, since the probe of thermocouple is heated, to generate thermoelectrical potential.The air inlet can be received from outer
After the combustion gas that portion is transmitted, the combustion gas of introduction is transferred in insurance division by the inlet channel, and then guarantees that solenoid valve can control
Combustion gas.
The intake channel is made of inlet channel and guiding channel, and one end of the inlet channel connects the air inlet
Mouthful, the other end is then connected with an opening, and one end of the guiding channel connects the opening, and the other end is then and in the spool chamber
Portion is attached；The piston of the solenoid valve can block the opening.The thermoelectrical potential is transmitted to solenoid valve by contact pin, from
And solenoid valve is attracted, opening is opened, and the channel of combustion gas is connected to, and the combustion gas in accommodating cavity is led to the guiding channel and flowed into
In the spool.When flame surprisingly extinguishes, thermoelectrical potential disappears, and solenoid valve is no longer attracted, and opening is closed by the piston of solenoid valve,
The channel of combustion gas is blocked, to prevent dangerous generation.
The valve body is provided with interior ring fire outlet portion far from one end of the insurance division, and inner ring gas channel extends to it
It is internal；The interior ring fire outlet portion and the top of valve body are both provided with gas outlet, inner ring gas channel and outer ring gas channel point
It is not connected to the gas outlet.The combustion gas transmitted from spool can be introduced in interior ring fire outlet portion by inner ring gas channel
The combustion gas transmitted from spool can be introduced at outer above valve body by the interior ring fire gas outlet of side, outer ring fire biography gas channel
Ring fire gas outlet.
The beneficial effects of the present invention are: due to preceding inner ring air drain and outer ring air drain simultaneously respectively with inner ring gas channel and outer ring
Gas channel is in contact, and enables interior ring fire and outer ring fire is more stable and accurately synchronously control.
Simultaneously because inner ring stomata and outer fiery venthole are located at the same axial direction of spool, outer ring fire extinguishes back valve core also
It can individually and fine control interior ring fire size variation.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is axonometric schematic diagram of the invention；
Fig. 2 is the cooperation schematic diagram of valve rod and spool of the invention；
Fig. 3 is the schematic diagram of spool of the invention；
Fig. 4 is the schematic diagram of inner ring stomata of the invention；
Fig. 5 is positive view schematic diagram of the invention；
Fig. 6 is the axonometric schematic diagram of valve body of the invention；
Fig. 7 is the diagrammatic cross-section of gear cooperation of the present invention；
Fig. 8 is the structural schematic diagram of connecting plate of the invention；
Fig. 9 is the schematic diagram of opening of the invention；
Figure 10 is firepower variation schematic diagram of the invention.
Specific embodiment
Referring to attached drawing, 1 it is microswitch, 2 is insurance division, 3 is solenoid valve, 4 is valve body, 5 is connecting plate, 6 is valve rod, 7
For interior ring fire outlet portion, 8 be spool, 9 be outer ring air drain, 10 be before inner ring air drain, 11 be inner ring stomata, 12 be accommodating cavity, 13
It is gas outlet for air intake duct, 14,15 be inner ring gas channel, 16 be air inlet, 17 be inlet channel, 18 is outer ring gas channel, 19
It is rear inner ring air drain for guiding channel, 20,21 be outer ring fire variation tendency, 22 be interior ring fire variation tendency, 23 is spool chamber, 24
It is outer fiery venthole for endogenous fire venthole, 25,27 is gear slot, 28 is shift finger.
Insurance division 2, valve body 4 and interior ring fire outlet portion 7 are sequentially connected by the right side to a left side, and the valve body 4 is internally provided with valve
Core cavity 23 is movably installed with spool 8 in the spool chamber 23, and the upper end of the spool chamber 23 is provided with outer ring gas channel 18, institute
The left end for stating spool chamber 23 is provided with inner ring gas channel 15, the position setting that the spool 8 is connect with inner ring gas channel 15
Have become narrow gradually and length be 8 periphery perimeter of spool a quarter preceding inner ring air drain 10 preceding inner ring air drain 10, it is most narrow
Side be provided with inner ring stomata 11, the inner ring stomata 11 is provided with far from the side of preceding inner ring air drain 10 gradually broaden after
Inner ring air drain 20.The widest part of preceding inner ring air drain 10 and rear inner ring air drain 20 all offers inner ring venthole 24；The spool 8 with
The position that outer ring gas channel 18 connects is provided with the outer ring air drain 9 become narrow gradually, and it is logical that widest one end is provided with outer fire
Stomata 25.
The spool 8 is additionally provided with valve rod 6 far from one end of the outer ring air drain 9, and the valve rod 6 is located at the valve body 4
External part is also arranged with connecting plate 5.Gear slot 27 is provided on connecting plate 5, valve rod 6 is provided with 5 junction of connecting plate
Location hole, positioning hole are provided with shift finger 28.The connecting plate 5 is fixed by screw with valve body 4, the connecting plate 5
One end far from the valve rod 6 is provided with microswitch 1.The top of the insurance division 2 offers an open accommodating cavity 12, institute
It states and is provided with solenoid valve 3 in accommodating cavity 12.The bottom of the valve body 4 is provided with air inlet 16, and the top of the air inlet 16 is set
It is equipped with the inlet channel 17 for being connected to insurance division 2, the inlet channel 17 is connected to accommodating cavity 12, accommodating cavity by air intake duct 13
12 are connected to the inside of the spool 8 further through gas outlet 14 and guiding channel 19.Outer ring gas channel 18 is far from the valve
One end of core 8 is provided with outer ring fire gas outlet, and inner ring gas channel 15 extends to the inside in interior ring fire outlet portion 7, and at it
End is connected with interior ring fire gas outlet.
When work, microswitch 1 is lighted a fire, and solenoid valve 3 is attracted.After gear change, combustion gas first enters air valve from air inlet 16,
Enter the inside of accommodating cavity 12 by inlet channel 17 and air intake duct 13, then spool is transferred to by gas outlet 14 and guiding channel 19
8 inside.When valve rod 6 is rotated with movable valve plug 8, by gradually changing for gear, endogenous fire venthole 24 and outer can be made first
Fiery venthole 25 is slowly contacted with outer ring gas channel 18 and inner ring gas channel 15 respectively simultaneously, so that its contact area slowly reaches
Maximum value；Then since the work area on preceding inner ring air drain 10 and outer ring air drain 9 is gradually reduced so that inner ring combustion gas rate and
Outer ring combustion gas rate is gradually reduced.When it reaches minimum value, outer ring fuel gas transmission is blocked, and inner ring stomata 11 makes inner ring
Combustion gas continues to convey.Due to the structure that rear inner ring air drain 20 is gradually increased, so that outer ring fuel gas transmission is blocked rear inner ring combustion gas
Transfer efficiency still is able to be gradually increased, and realizes the firepower variation effect of attached drawing 7.Combustion gas leaves spool later respectively from interior ring fire
It flows out and is ignited at gas outlet and outer ring fire gas outlet.
Claims (9)
1. a kind of gas stove air valve of multiplicity control fire, including valve body (4), are internally provided with spool chamber (23), the spool chamber
(23) spool (8) are movably installed in, it is characterised in that:
Area of section is offered on the spool (8) first to become smaller the inner ring air drain to become larger afterwards along the outer circle circumferential direction of spool (8)
(26), it is provided on the inner ring air drain (26) and is connected to the internal endogenous fire venthole (24) of the spool (8)；
Outer circle circumferential direction gradually smaller outer ring air drain (9) of the area of section along spool (8), institute are offered on the spool (8)
It states to be provided on outer ring air drain (9) and is connected to the internal outer fiery venthole (25) of the spool (8)；
The side wall of the spool chamber (23), which is provided with, can cooperate with the inner ring air drain (26) so that the inner ring gas ventilated is logical
Road (15), spool chamber (23) side wall is additionally provided with simultaneously can cooperate with the outer ring air drain (9) so that ventilates is outer
Ring gas channel (18).
2. gas stove air valve as described in claim 1, it is characterised in that:
The middle of the inner ring air drain (26) is provided with inner ring stomata (11), and the inner ring stomata (11) is by the inner ring air drain
(26) preceding inner ring air drain (10) and rear inner ring air drain (20) are divided into；
The outer fiery venthole (25) is located at outer ring air drain (9) area of section maximum, the preceding inner ring air drain (10) and interior afterwards
The area of section maximum of ring air drain (20) is respectively arranged with endogenous fire venthole (24).
3. gas stove air valve as claimed in claim 2, it is characterised in that: inner ring gas channel (15) and outer ring gas channel
(18) axial angle is 90 °, and the inner ring stomata (11) and outer fiery venthole (25) are all located at the same axis of spool (8) side wall
On line direction and preceding inner ring air drain (10) and outer ring air drain (9) equal length.
4. gas stove air valve as described in claim 1, it is characterised in that: the spool (8) is far from the inner ring air drain (26)
One end be connected with one and extend to the external valve rod (6) of valve body (4).
5. gas stove air valve as claimed in claim 4, it is characterised in that: portion of the valve rod (6) except the valve body (4)
Divide and be also arranged with connecting plate (5), the connecting plate (5) is fixed by screw with the valve body (4), the connecting plate (5)
One end far from the valve rod (6) is connected with the microswitch (1) of igniting.
6. gas stove air valve as claimed in claim 5, it is characterised in that:
The connecting plate (5) is provided with the gear slot (27) for dividing gear at the position that it connect with the valve rod (6)；
The valve rod (6) is provided with location hole at the position that it connect with the connecting plate (5), the positioning hole be equipped with
The gear slot (27) can control the shift finger (28) of the spool (8) rotation with merging.
7. gas stove air valve as described in claim 1, it is characterised in that: valve body (4) bottom is provided with air inlet (16),
The intake channel for connecting the air inlet (16) and spool chamber (23) is provided in the valve body (4).
8. gas stove air valve as claimed in claim 7, it is characterised in that:
The valve body (4) is provided with insurance division (2) far from the side in inner ring gas channel (15), and the intake channel passes through should
Insurance division (2)；A solenoid valve (3) connecting with external thermocouple is provided in the insurance division (2)；
The intake channel is made of inlet channel (17) and guiding channel (19), and one end of the inlet channel (17) connects institute
It states air inlet (16), the other end is then connected with an opening (12), and one end of the guiding channel (19) connects the opening (12),
The other end is then attached with the spool chamber (23) inside；
The piston of the solenoid valve (3) can block the opening (12).
9. gas stove air valve as described in claim 1, it is characterised in that: the valve body (4) is close to inner ring gas channel
(15) one end is provided with interior ring fire outlet portion (7), and inner ring gas channel (15) extends to inside it；The interior ring fire outlet
Portion (7) and the top of valve body (4) are both provided with gas outlet, and inner ring gas channel (15) and outer ring gas channel (18) are separately connected
To the gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100715.9A CN109084076A (en) | 2018-09-20 | 2018-09-20 | A kind of gas stove air valve of multiplicity control fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100715.9A CN109084076A (en) | 2018-09-20 | 2018-09-20 | A kind of gas stove air valve of multiplicity control fire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084076A true CN109084076A (en) | 2018-12-25 |
Family
ID=64842008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811100715.9A Pending CN109084076A (en) | 2018-09-20 | 2018-09-20 | A kind of gas stove air valve of multiplicity control fire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084076A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1137450A (en) * | 1997-07-16 | 1999-02-12 | Hayakawa Seisakusho:Kk | Heating power regulating valve for gas appliance |
| CN105715818A (en) * | 2016-03-15 | 2016-06-29 | 宁波来特燃气具有限公司 | Gas valve capable of realizing synchronous change of inner ring fire and outer ring fire |
| CN106015648A (en) * | 2016-08-03 | 2016-10-12 | 宁波来特燃气具有限公司 | Fuel gas valve element and fuel gas valve with same |
| CN106704623A (en) * | 2016-12-16 | 2017-05-24 | 宁波方太厨具有限公司 | Fuel gas valve synchronously regulating flow rates of inner and outer rings |
| CN206626203U (en) * | 2017-03-31 | 2017-11-10 | 广东美的厨房电器制造有限公司 | The gas valve and gas-cooker of gas-cooker |
| CN107355556A (en) * | 2017-08-02 | 2017-11-17 | 浙江新涛智控科技股份有限公司 | A kind of fuel gas plug valve |
| KR20180025009A (en) * | 2016-08-31 | 2018-03-08 | 엘지전자 주식회사 | An electronic linear-control gas valve and a cooker using the same |
| CN207316112U (en) * | 2017-09-28 | 2018-05-04 | 广东美的厨房电器制造有限公司 | Spool |
| CN209041730U (en) * | 2018-09-20 | 2019-06-28 | 中山古奇诺智能厨房有限公司 | A kind of gas stove air valve of multiplicity control fire |
-
2018
- 2018-09-20 CN CN201811100715.9A patent/CN109084076A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1137450A (en) * | 1997-07-16 | 1999-02-12 | Hayakawa Seisakusho:Kk | Heating power regulating valve for gas appliance |
| CN105715818A (en) * | 2016-03-15 | 2016-06-29 | 宁波来特燃气具有限公司 | Gas valve capable of realizing synchronous change of inner ring fire and outer ring fire |
| CN106015648A (en) * | 2016-08-03 | 2016-10-12 | 宁波来特燃气具有限公司 | Fuel gas valve element and fuel gas valve with same |
| KR20180025009A (en) * | 2016-08-31 | 2018-03-08 | 엘지전자 주식회사 | An electronic linear-control gas valve and a cooker using the same |
| CN106704623A (en) * | 2016-12-16 | 2017-05-24 | 宁波方太厨具有限公司 | Fuel gas valve synchronously regulating flow rates of inner and outer rings |
| CN206626203U (en) * | 2017-03-31 | 2017-11-10 | 广东美的厨房电器制造有限公司 | The gas valve and gas-cooker of gas-cooker |
| CN107355556A (en) * | 2017-08-02 | 2017-11-17 | 浙江新涛智控科技股份有限公司 | A kind of fuel gas plug valve |
| CN207316112U (en) * | 2017-09-28 | 2018-05-04 | 广东美的厨房电器制造有限公司 | Spool |
| CN209041730U (en) * | 2018-09-20 | 2019-06-28 | 中山古奇诺智能厨房有限公司 | A kind of gas stove air valve of multiplicity control fire |
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