CN106015617A - Grading two-channel gas plug valve - Google Patents
Grading two-channel gas plug valve Download PDFInfo
- Publication number
- CN106015617A CN106015617A CN201610487204.1A CN201610487204A CN106015617A CN 106015617 A CN106015617 A CN 106015617A CN 201610487204 A CN201610487204 A CN 201610487204A CN 106015617 A CN106015617 A CN 106015617A
- Authority
- CN
- China
- Prior art keywords
- air vent
- firepower
- spool
- gas plug
- valve body
- 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
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0214—Plug channel at 90 degrees to the inlet
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
- F16K5/103—Means for additional adjustment of the rate of flow specially adapted for gas valves
- F16K5/106—Means for additional adjustment of the rate of flow specially adapted for gas valves with pilot flame
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a grading two-channel gas plug valve. The grading two-channel gas plug valve comprises a valve body, and a hollow valve element rotationally mounted in the valve body; an air distribution cavity is formed in the valve element; an axial end of the air distribution cavity is communicated with an intake hole of the valve body; two sets of air supply holes respectively corresponding to inner ring and outer ring firepower are axially formed in the side wall of the valve element; the valve body is provided with two exhaust holes corresponding to the two sets of air supply holes; the air supply holes in the same set are peripherally formed in the side wall of the valve element, and one therein is a main air supply hole being a through hole, and the rest holes are slave air supply holes being blind holes formed in the outer wall of the valve element; and the side walls of the adjacent air supply holes are communicated through fire retaining channels extending in the side wall of the valve element. The gas plug valve can be provided with multiple sections of firepower; users can find out wanted firepower according to cooking demands; and when all sections of firepower are converted, the change is uniform without generating firepower sudden change feel.
Description
Technical field
The present invention relates to gas-cooker technical field, particularly for the gas rotary of heat power of gas burner regulation
Plug valve.
Background technology
Existing gas kitchen ranges is all to control firepower size by plug valve, and its principle is by controlling
The gas quantity flowing through plug valve is controlled.For more precise control firepower, existing plug valve by
Mechanical type gradually develops to electric-controlled type, and the rotation of namely cock has been made into motor by Non-follow control
Drive.
Electric-controlled gas valve is regulated by motor rotational valve core and flows through tolerance, existing electrically-controlled valve
Can accomplish sectional-regulated, such as three sections, five sections, six sections etc., or utilize the principle identical with mechanical valve to enter
Row regulation.As Chinese invention patent 200720112000.6 discloses a kind of electric-controlled gas control valve,
It includes gas valve seat, fuel gas valve core, gas valve motor and gas valve motor-driven unit, gas valve
Core is in transmission connection by gas valve motor-driven unit with gas valve motor, on described gas valve seat
It is provided with on valve seat air inlet, valve seat that under gas outlet and valve seat gas outlet, fuel gas valve core is provided with and valve
Gas outlet under gas outlet and spool on seat spool air inlet corresponding to inlet, outlet, spool.
Chinese invention patent 201020694351.4 discloses a kind of step-less adjustment electric-controlled gas valve, including
Valve body, spool and the motor of driving spool, be provided with the faucet hole coordinated with spool in valve body, described
Faucet hole inwall is provided with air inlet, and described valve core inside is provided with axially arranged centre bore, on side face
Being provided with the venthole that at least two is corresponding with same air inlet, these ventholes control to flow through this air inlet
Each section of gas flow, it is characterised in that: the spool outside wall surface of venthole place height is provided with along valve
The circumferentially distributed air channel of core, controls the venthole of air inlet largest segment gas flow with this air channel even
Logical, remaining venthole controls gas section near the formation of partially radially reducing of centre bore.
Chinese invention patent application 201510188512.X discloses a kind of gas valve, including valve body,
Having cavity and inlet channel in it, one end of described inlet channel is communicated to the external world, and the other end connects
To described cavity；Spool, inserts and is positioned at described cavity and at described cavity around the axle of spool
Rotating, be provided with venting cavity in described spool, described spool matches at the inlet channel with described valve body
Sidewall be provided with air inlet, described air inlet is communicated to the venting cavity in spool；Also include: auxiliary
Inlet channel, is arranged in described valve body, and one end is communicated to described inlet channel, and the other end is communicated to
The cavity of described valve body；The position matched with described auxiliary air inlet channel on the sidewall of described spool sets
Auxiliary inlet port, described auxiliary inlet port is had to be communicated to the venting cavity in spool, described auxiliary inlet port
All stagger in the axial and circumferential both direction of spool setting with air inlet, when the air inlet of described spool
Hole and inlet channel are mutually isolated with auxiliary air inlet channel to punctual described auxiliary inlet port, when described auxiliary
Help air inlet and auxiliary air inlet channel mutually isolated with described inlet channel to punctual described air inlet, institute
The regulation dress that the gas flow in auxiliary air inlet channel is adjusted it is provided with in stating auxiliary air inlet channel
Put.
In existing many technology, the pore on spool mostly typically is through hole so that spool intensity reduces,
Additionally rotary spool carries out firepower when changing piecemeal, has firepower sudden change sense.
Summary of the invention
For optimizing firepower, make kitchen range experiencer's simple operation, the invention provides one and there is band section
Formula two passage fuel gas plug valve, this valve body can arrange multistage firepower, and every section of firepower stops angle and is more than
30 degree, user needs to be easily found the firepower oneself wanted according to boiling, and firepower every section firepower is changed
Time, change uniformly, does not have firepower sudden change sense.
Technical scheme is as follows:
Two passage fuel gas plug valves of a kind of section formula, including valve body and be rotatably installed in valve body
The spool of hollow；Valve core inside is air distribution cavity, and the axial end portion of air distribution cavity is with the air inlet on valve body even
Logical, spool sidewall is placed with the most corresponding internal ring and two groups of air vents of outer shroud firepower vertically；Valve
Body is provided with two ventholes corresponding with described two groups of air vents；Circumferentially arrange with group air vent
On spool sidewall, one of them is main air vent and is through hole, and remaining is from air vent and for arranging
Blind hole on spool outer wall, the sidewall of adjacent air vent is led to by the guarantor's fire extended in spool sidewall
Road is interconnected.
In the present invention, main air vent is through hole, connects with air distribution cavity all the time, from air vent the most successively
Supply, in prior art, each air vent pair is realized to main air vent sidewall by protecting fire channel connection
Answering a firepower section, but spool size is less, the number of air vent is limited, and uses the present invention's
Technical scheme can utilize the corresponding this transitive state of venthole of two air vents as a fire
Power section, owing to adjacent air vent is by protecting fire channel connection, and non-immediate connects with air distribution cavity,
Even therefore transitive state is it is also ensured that stablizing of air demand, do not have the bad shadows such as firepower sudden change
Ring.
According to the set-up mode of guarantor's fire passage, in same group of air vent, may be located at main confession from air vent
The same side of pore circumference, i.e. main feeding holes starts, and each leads to along same circumferencial direction from air vent
Cross guarantor's fire passage to be sequentially connected in series.
As preferably, in same group of air vent, main air vent both sides are distributed with from air vent, main confession
It is equipped with guarantor's fire passage on the sidewall that pore two is relative, connects from air vent with corresponding.
As preferably, each is protected fire passage and is divided into according to the size (determining gas supply flow) of sectional area
2～3 classes.It is so designed that so that the different throughputs from air vent offer is different, it is simple to distinguish
Firepower section.
As the most preferably, in the circumferential further away from main air vent, corresponding protects cutting of fire passage
Area is the least.Can be understood as in the circumferential further away from main air vent, corresponding provide from air vent
Throughput is the least, i.e. firepower is the least, on the one hand so that firepower is continuously adjusted change, additionally
Have also contemplated that gas block phenomenon, arrange the least further away from main air vent firepower.
As preferably, in two groups of air vents, on the circumferentially opposed position of main air vent, with valve body two
The circumferentially opposed position of venthole is identical.
But when one of them main air vent directly connects venthole, another main air vent is also the most directly
The venthole that connection is corresponding, now can obtain maximum fire, and the most again during rotary spool, firepower is all
Can weaken.
As preferably, in two groups of air vents, one of which from air vent quantity more than another group.
So arranging can be under certain firepower section, only internal ring ventilation, outer shroud all air vents quilt
Valve body blocks, and i.e. outer shroud is without fire, and vice versa.
As further preferably, in correspondence, ring firepower is more than corresponding outer shroud firepower from air vent quantity
From air vent quantity.Make interior ring firepower flexible adjustment, close outer shroud firepower if desired, meet daily
Operating habit.
As preferably, described air vent is Long Circle or ellipse, and its major axis is axial arranged along spool.
The outer circumferential area of spool can be made full use of, it is ensured that ventilate smooth and easy.
Spool of the present invention can use and manually or electrically regulate, and controls the different rotations of the i.e. spool of firepower section
Angle, preferred manual controls, and convenient, flexible, cost is relatively low.
In the present invention, main air vent is through hole, connects with air distribution cavity all the time, from air vent the most successively
Supply, in prior art, each air vent pair is realized to main air vent sidewall by protecting fire channel connection
Answering a firepower section, but spool size is less, the number of air vent is limited, and uses the present invention's
Technical scheme can utilize the corresponding this transitive state of venthole of two air vents as a fire
Power section, owing to adjacent air vent is by protecting fire channel connection, and non-immediate connects with air distribution cavity,
Even therefore transitive state is it is also ensured that stablizing of air demand, do not have the bad shadows such as firepower sudden change
Ring.
Accompanying drawing explanation
Fig. 1 is the valve body profile of the present invention two passage fuel gas plug valve；
Fig. 2 is the valve core structure schematic diagram of the present invention two passage fuel gas plug valve；
Fig. 3 is that on the spool of the present invention two passage fuel gas plug valve, the air vent of corresponding interior ring firepower is arranged
Schematic diagram；
Fig. 4 is that on the spool of the present invention two passage fuel gas plug valve, the air vent of corresponding outer shroud firepower is arranged
Schematic diagram；
Fig. 5 a and Fig. 5 b, under closed mode, the air vent of inner and outer rings firepower and venthole on valve body
Position relationship schematic diagram；
Fig. 6 a and Fig. 6 b, is under the first firepower section, the air vent of inner and outer rings firepower and valve body goes out
The position relationship schematic diagram of pore；
Fig. 7 a and Fig. 7 b, is under the second firepower section, the air vent of inner and outer rings firepower and valve body goes out
The position relationship schematic diagram of pore；
Fig. 8 a and Fig. 8 b, is under the 3rd firepower section, the air vent of inner and outer rings firepower and valve body goes out
The position relationship schematic diagram of pore；
Fig. 9 a and Fig. 9 b, is under the 4th firepower section, the air vent of inner and outer rings firepower and valve body goes out
The position relationship schematic diagram of pore；
Figure 10 a and Figure 10 b, is under the 5th firepower section, on the air vent of inner and outer rings firepower and valve body
The position relationship schematic diagram of venthole.
Detailed description of the invention
See Fig. 1～4, fuel gas plug valve of the present invention, include the valve body 1 of inner chamber, be rotatably installed in
Spool in inner chamber；With air inlet 5 bottom valve body 1, intracavity sidewall is provided with ring firepower in correspondence
Venthole 3 and the venthole 4 of corresponding outer shroud firepower.
Spool is hollow structure, and inside is the air distribution cavity 2 connected with air inlet 5, edge on spool sidewall
Axial arranging has first group of air vent 6a of corresponding outer shroud firepower, and second group of confession of ring firepower in correspondence
Pore 6b, is circumferentially arranged on spool sidewall with group air vent.
In corresponding in the air vent of ring firepower, air vent 11 is main air vent and for through hole, directly with
Air distribution cavity 2 connects, air vent 8, air vent 14, and air vent 18 is from air vent and for being arranged on
Blind hole on spool outer wall, the sidewall of adjacent air vent is by the guarantor's fire passage extended in spool sidewall
It is interconnected.Such as:
Between air vent 11 and air vent 8, the sidewall that both share is provided with guarantor's fire passage 7；
Between air vent 11 and air vent 14, the sidewall that both share is provided with guarantor's fire passage 13；
Between air vent 18 and air vent 14, the sidewall that both share is provided with guarantor's fire passage 17.
In the air vent of corresponding outer shroud firepower, air vent 12 is main air vent and for through hole, directly with
Air distribution cavity 2 connects, air vent 10, and air vent 16 is from air vent and for being arranged on spool outer wall
Blind hole, the sidewall of adjacent air vent by spool sidewall extend guarantor's fire passage be interconnected.
Such as:
Between air vent 12 and air vent 10, the sidewall that both share is provided with guarantor's fire passage 9；
Between air vent 12 and air vent 16, the sidewall that both share is provided with guarantor's fire passage 15.
In each guarantor's fire passage, protect fire passage 15 sectional area more than guarantor's fire passage 9 sectional area；Protect fire logical
Road 13 sectional area is more than protecting fire passage 7 sectional area；Protect fire passage 7 and protect fire passage 17 sectional area base
This is equal.The sectional area protecting fire passage determines air demand i.e. firepower.
Each air vent is Long Circle, and long limit is two relative straight flanges and axial arranged along spool, two long limits
Homonymy termination connected by arc-shaped edges.
During use, spool distribution situation under different corners, i.e. different firepower sections:
Fig. 5 a and Fig. 5 b, under closed mode, spool angle is 0 degree, venthole 3 and venthole 4 with
Air vent 11, air vent 8, air vent 14, air vent 18, air vent 12, air vent 10, supply
Hole 16 does not has connected relation, and internal ring is without fire, and outer shroud is without fire.
Following figure omits protects fire passage and unnecessary label, can be in conjunction with Fig. 2 and Fig. 3 labelling.
Fig. 6 a and Fig. 6 b, is under the first firepower section, and spool angle is 50 degree:
The combustion gas of supply internal ring enters air vent 11 from air distribution cavity, through protecting fire passage 7 to air vent 8, right
Venthole 3 is answered to give vent to anger；Protect fire passage 7 less, i.e. the corresponding little fire of internal ring.
The combustion gas of supply outer shroud enters air vent 12 from air distribution cavity, through protecting fire passage 9 to air vent 10,
Corresponding venthole 4 is given vent to anger；Protect fire passage 9 less, i.e. the corresponding little fire of outer shroud.
Fig. 7 a and Fig. 7 b, is under the second firepower section, and spool angle is 90 degree:
The combustion gas of supply internal ring enters air vent 11 from air distribution cavity, and the most corresponding venthole 3 is given vent to anger；I.e.
Internal ring correspondence big fire.
The combustion gas of supply outer shroud enters air vent 12 from air distribution cavity, and the most corresponding venthole 4 is given vent to anger；I.e.
Outer shroud correspondence big fire.
Fig. 8 a and Fig. 8 b, is under the 3rd firepower section, and spool angle is 130 degree:
The combustion gas of supply internal ring enters air vent 11 from air distribution cavity, through protecting fire passage 13 to air vent 14,
Corresponding venthole 3 is given vent to anger；Protect fire passage 13 relatively big, i.e. internal ring correspondence moderate heat.
The combustion gas of supply outer shroud enters air vent 12 from air distribution cavity, through protecting fire passage 15 to air vent 16,
Corresponding venthole 4 is given vent to anger；Protect fire passage 5 relatively big, i.e. outer shroud correspondence moderate heat.
Fig. 9 a and Fig. 9 b, is under the 4th firepower section, and spool angle is 157 degree:
The combustion gas of supply internal ring enters air vent 11 from air distribution cavity, through protecting fire passage 13, protecting fire passage 17
Giving vent to anger to the corresponding venthole 3 of air vent 18, air vent 14 also corresponding venthole 3 is given vent to anger simultaneously；Although two
Individual air vent supplies, but total flow is limited to protect fire passage 13, therefore internal ring correspondence moderate heat.
The combustion gas of supply outer shroud enters air vent 12 from air distribution cavity, but all air vents are closed, i.e. outside
Ring correspondence is without fire.
Figure 10 a and Figure 10 b, is under the 5th firepower section, and spool angle is 175 degree:
The combustion gas of supply internal ring enters air vent 11 from air distribution cavity, through protecting fire passage 13, protecting fire passage 17
Give vent to anger to the corresponding venthole 3 of air vent 18, protect fire passage 17 less, be i.e. the corresponding little fire of internal ring.
The combustion gas of supply outer shroud enters air vent 12 from air distribution cavity, but all air vents are closed, i.e. outside
Ring correspondence is without fire.
Fuel gas plug valve of the present invention, can arrange multistage firepower, and user needs to find oneself according to boiling
The firepower wanted, during the conversion of firepower every section firepower, change uniformly, does not have firepower sudden change sense.
Claims (8)
1. two passage fuel gas plug valves of section formula, including valve body and be rotatably installed in valve body
The spool of interior hollow；Valve core inside is air distribution cavity, the axial end portion of air distribution cavity and the air inlet on valve body
Hole connects, and spool sidewall is placed with the most corresponding internal ring and two groups of supply of outer shroud firepower vertically
Hole；Valve body is provided with two ventholes corresponding with described two groups of air vents；It is characterized in that, with
Group air vent is circumferentially arranged on spool sidewall, and one of them is main air vent and is through hole, remaining
Being from air vent and for be arranged on the blind hole spool outer wall, the sidewall of adjacent air vent is by spool
The guarantor's fire passage extended in sidewall is interconnected.
2. two passage fuel gas plug valves of section formula as claimed in claim 1, it is characterised in that with
In one group of air vent, main air vent both sides are distributed with from air vent, the sidewall that main air vent two is relative
On be equipped with guarantor fire passage, with corresponding from air vent connection.
3. two passage fuel gas plug valves of section formula as claimed in claim 1, it is characterised in that each
Individual fire passage of protecting is divided into 2～3 classes according to the size of sectional area.
4. two passage fuel gas plug valves of section formula as claimed in claim 3, it is characterised in that
Further away from main air vent on Zhou Xiang, the corresponding sectional area protecting fire passage is the least.
5. two passage fuel gas plug valves of section formula as claimed in claim 1, it is characterised in that two
In group air vent, the circumferentially opposed position of main air vent, with two ventholes circumferentially opposed on valve body
Position is identical.
6. two passage fuel gas plug valves of section formula as claimed in claim 1, it is characterised in that two
In group air vent, one of which from air vent quantity more than another group.
7. two passage fuel gas plug valves of section formula as claimed in claim 6, it is characterised in that right
In should ring firepower from air vent quantity more than corresponding outer shroud firepower from air vent quantity.
8. two passage fuel gas plug valves of section formula as claimed in claim 1, it is characterised in that institute
Stating air vent is Long Circle or ellipse, and its major axis is axial arranged along spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487204.1A CN106015617A (en) | 2016-06-27 | 2016-06-27 | Grading two-channel gas plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487204.1A CN106015617A (en) | 2016-06-27 | 2016-06-27 | Grading two-channel gas plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015617A true CN106015617A (en) | 2016-10-12 |
Family
ID=57084974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610487204.1A Pending CN106015617A (en) | 2016-06-27 | 2016-06-27 | Grading two-channel gas plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015617A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101017A (en) * | 2017-05-31 | 2017-08-29 | 宁波朝阳家用燃气具有限公司 | Double spray gas valves |
| CN110242771A (en) * | 2019-07-05 | 2019-09-17 | 宁波来特燃气具有限公司 | The structure improved thermostat valve with ever-burning flame function |
| CN110541943A (en) * | 2019-09-29 | 2019-12-06 | 佛山市云米电器科技有限公司 | valve body structure capable of adjusting inner and outer ring flames in difference mode |
| CN113819270A (en) * | 2020-06-19 | 2021-12-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Valve core, plug valve and gas appliance |
| CN114183563A (en) * | 2021-11-12 | 2022-03-15 | 浙江新涛智控科技股份有限公司 | Anti-backfire gas plug valve |
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| CN103883759A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Fuel gas valve with double gas exhaust channels |
| CN103883779A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Gas valve with adjustable flow |
| CN205841830U (en) * | 2016-06-27 | 2016-12-28 | 浙江新涛电子机械股份有限公司 | A kind of two passage fuel gas plug valves of section formula |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050017210A1 (en) * | 2003-07-21 | 2005-01-27 | William Home | Range burner control valve shutter |
| CN2913764Y (en) * | 2006-05-25 | 2007-06-20 | 新昌新涛电气有限公司 | Gas control valve for domestic gas kitchen range |
| CN103883758A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Double-outlet gas valve with adjustable flow |
| CN103883760A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Gas valve |
| CN103883759A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Fuel gas valve with double gas exhaust channels |
| CN103883779A (en) * | 2014-03-22 | 2014-06-25 | 广东长青（集团）股份有限公司 | Gas valve with adjustable flow |
| CN205841830U (en) * | 2016-06-27 | 2016-12-28 | 浙江新涛电子机械股份有限公司 | A kind of two passage fuel gas plug valves of section formula |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101017A (en) * | 2017-05-31 | 2017-08-29 | 宁波朝阳家用燃气具有限公司 | Double spray gas valves |
| CN110242771A (en) * | 2019-07-05 | 2019-09-17 | 宁波来特燃气具有限公司 | The structure improved thermostat valve with ever-burning flame function |
| CN110541943A (en) * | 2019-09-29 | 2019-12-06 | 佛山市云米电器科技有限公司 | valve body structure capable of adjusting inner and outer ring flames in difference mode |
| CN113819270A (en) * | 2020-06-19 | 2021-12-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Valve core, plug valve and gas appliance |
| CN114183563A (en) * | 2021-11-12 | 2022-03-15 | 浙江新涛智控科技股份有限公司 | Anti-backfire gas plug valve |
| CN114183563B (en) * | 2021-11-12 | 2022-11-11 | 浙江新涛智控科技股份有限公司 | Anti-backfire gas plug valve |
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Address after: 312500 Xinchang County, Zhejiang Province, Tao Road, No. 68, No. Applicant after: Zhejiang Xin Tao Zhi Polytron Technologies Inc Address before: The new Tao road 312500 County of Xinchang province Shaoxing City, Zhejiang province high tech Development Zone No. 68 Applicant before: Zhejiang Xintao Electronic Co., Ltd. |
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Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |