CN102506209A - Oven gas valve assembly - Google Patents
Oven gas valve assembly Download PDFInfo
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- CN102506209A CN102506209A CN2011103220832A CN201110322083A CN102506209A CN 102506209 A CN102506209 A CN 102506209A CN 2011103220832 A CN2011103220832 A CN 2011103220832A CN 201110322083 A CN201110322083 A CN 201110322083A CN 102506209 A CN102506209 A CN 102506209A
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- gas
- combustion gas
- valve
- main passage
- bypass channel
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Abstract
The invention discloses an oven gas valve assembly which comprises a valve body, wherein the valve body is provided with a gas inlet, a gas outlet and a gas main channel; the front section of the gas main channel is provided with a safe solenoid valve used for controlling open or close of the gas main channel; the rear section of the gas main channel is provided with a self-absorption solenoid valve used for controlling the open or close of the gas main channel, and a bypass channel is arranged between the gas main channel at the front end of the self-absorption solenoid valve and the gas outlet; and the caliber of the bypass channel is less than that of the gas main channel, and the bypass channel is internally provided with a vernier device. The oven gas valve assembly provided by the invention has the advantages that the bypass channel is arranged between the gas main channel at the front end of the self-absorption solenoid valve and the gas outlet, when the gas main channel is closed by the self-absorption solenoid valve, gas passes through the bypass channel with a smaller caliber, thereby well controlling gas output; and the vernier device can further adjust the gas output of the bypass channel, thereby accurately controlling temperature in an oven.
Description
Technical field
The present invention relates to a kind of gas valve assembly, especially relate to a kind of baking box gas valve assembly.
Background technique
Baking box can be divided into electronic oven and gas burning roastor, and gas burning roastor all need be provided with the gas valve of control burnt gas switch or size.Chinese patent number is that 200920050029.5 patent of invention discloses a kind of name and is called " the combustion gas temperature-control safety valve of the charged magnet valve that gas burning roastor is used ", is characterized in being provided with emergency valve seat in the valve pocket end relative with valve stem passage, also comprises a Safety valve body, gland, temperature control assembly, the temperature control bag that links to each other with the temperature control assembly; Safety valve body has one to bring out gas port, and gland cooperates with emergency valve seat, and temperature control assembly and Safety valve body are fixedly connected; Gland and temperature control assembly are slidingly matched; Between gland and the temperature control assembly pressure spring is arranged, Safety valve body detachably connects with valve body, and its advantage is that the temperature of burner instantly is when too high; Gland and temperature control assembly expanded by heating; Make the gap smaller between gland and the emergency valve seat, reduce the combustion gas gas output, reach the purpose of control flame; When the give vent to anger last burner of confession combustion gas or when down burner all extinguished, temperature control bag temperature descended, and can not produce enough electric currents of side, solenoid valve reaches purpose of safety with regard to the automatic self-closing gas passage.There is following problem in this safety valve: thermal expansion receives factor affecting such as material, environment many, and gas output is not easy control, causes the temperature control precision in the baking box lower.
Summary of the invention
Technical problem to be solved by this invention provides a kind of temperature control precision than higher baking box gas valve assembly.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: a kind of baking box gas valve assembly; Comprise valve body; Described valve body is provided with fuel gas inlet, gas outlet and combustion gas main passage; The leading portion of combustion gas main passage is provided with the security solenoid valve that control combustion gas main passage is opened or closed, and the back segment of combustion gas main passage is provided with the self-priming solenoid valve that control combustion gas main passage is opened or closed, and between the combustion gas main passage of self-priming solenoid valve front end and gas outlet, is provided with bypass channel; The bore of described bypass channel is provided with vernier device less than the bore of combustion gas main passage in the described bypass channel.
The other igniting sensitive switch that is provided with starting ignition of described valve body; Be provided with the needle that can move forward and backward in the described valve body, be arranged with first Returnning spring on the needle, an end of described first Returnning spring withstands on the valve body; The other end of first Returnning spring withstands on the rear end of needle; Described security solenoid valve is connected with thermocouple, and the rear end of described needle is set with double-action plate, and described igniting sensitive switch is provided with push-button switch; On time, double-action plate can touch described push-button switch under double-action plate.
Described security solenoid valve comprises first valve rod, magnetic core and case, and the front end of first valve rod is provided with plug, is arranged with second Returnning spring on described first valve rod; Described second Returnning spring is between plug and case, and described plug is provided with first seal ring, under the first Returnning spring extended configuration; Described second Returnning spring also is in extended configuration, and this moment, plug was sealed described combustion gas main passage, and the front end of needle withstands on the front end of described plug; Under the first Returnning spring compressive state; Described plug is opened described combustion gas main passage, and second Returnning spring also is in compressive state, and described magnetic core is run in the rear end of first valve rod.
Also comprise the temp probe that is used to detect air in the baking box, described temp probe is connected with the self-priming solenoid valve through temperature detect switch (TDS).
Described vernier device comprises micrometer adjusting screw, and the leading portion of micrometer adjusting screw inserts described bypass channel, and the rear portion of micrometer adjusting screw is exposed at outside the described valve body; The front end of described micrometer adjusting screw is cone table shape; Be provided with taper mouth in the described bypass channel, the taper mouth in the cone table shape front end of described micrometer adjusting screw and the bypass channel cooperatively interacts and regulates the gas output of combustion gas, forms ring cavity between the leading portion of micrometer adjusting screw and the bypass channel; The leading portion of described micrometer adjusting screw is provided with annular recess; Ring cavity communicates with described annular recess, and the front end of described micrometer adjusting screw is provided with air outlet hole, and described air outlet hole communicates with described annular recess.
Described fuel gas inlet place is provided with second seal ring.
Compared with prior art; The invention has the advantages that between the combustion gas main passage of self-priming solenoid valve front end and gas outlet and be provided with bypass channel; When combustion gas main passage during by the self-priming closed electromagnetic valve, gas flow can be controlled the gas output of combustion gas well through the less bypass channel of bore; Vernier device can further be regulated the gas output of bypass channel, can control the temperature in the baking box more accurately.
Original state, first Returnning spring and second Returnning spring all are in extended configuration, and security solenoid valve cuts off the combustion gas main passage.On time, first Returnning spring compresses under double-action plate, the plug on the front end effect security solenoid valve of needle, and first valve rod is run into magnetic core; Safety electromagnetic opening of valves combustion gas main passage, gas flow are through valve body, and by simultaneously, double-action plate touches push-button switch to double-action plate down; The igniting sensitive switch links to each other with igniter, and the porcelain pin links to each other with igniter, and igniter energising back produces high pressure, produces spark between porcelain pin and the burner; Burner is lighted flame, and baking box work is when thermocouple detects flame; Magnetic core adhesive first valve rod of security solenoid valve makes the combustion gas main passage continue conducting, guarantees the continuous firing of baking box.
Set a temperature value with temperature detect switch (TDS), temp probe detects the temperature in the baking box, and equitemperature reaches setting value; Temperature detect switch (TDS) breaks off, the outage of self-priming solenoid valve, and the burner in the baking box transfers little fire to by big fire; Equitemperature drops to less than set temperature value more than 5 °, and temperature detect switch (TDS) is connected, the adhesive of self-priming solenoid valve; Burner in the baking box transfers big fire to by little fire, works so repeatedly.
Behind self-priming closed electromagnetic valve combustion gas main passage, gas flow is through bypass channel, a part of combustion gas flow through successively ring cavity, annular recess and air outlet hole, the mode of micrometer adjusting screw and bypass channel employing cone match in addition, the gas output that can further regulate combustion gas.
Description of drawings
Fig. 1 is structural drawing of the present invention (one);
Fig. 2 is structural drawing of the present invention (two);
Fig. 3 is an A-A sectional view among Fig. 1;
Fig. 4 is a B-B sectional view among Fig. 1;
Fig. 5 is a C-C sectional view among Fig. 2;
Fig. 6 is structural drawing of the present invention (three);
Fig. 7 is a stereogram of the present invention;
Fig. 8 is an exploded view of the present invention;
Fig. 9 is applied in baking box inner structure figure for the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
A kind of baking box gas valve assembly; Comprise valve body 1; Valve body 1 is provided with fuel gas inlet 2, gas outlet 3 and combustion gas main passage 4; The leading portion of combustion gas main passage 4 is provided with the security solenoid valve 5 that control combustion gas main passage 4 is opened or closed, and 4 back segments of combustion gas main passage are provided with the self-priming solenoid valve 6 that control combustion gas main passage 4 is opened or closed, and between the combustion gas main passage 4 of self-priming solenoid valve 6 front ends and gas outlet 2, is provided with bypass channel 7; The bore of bypass channel 7 is provided with vernier device less than the bore of combustion gas main passage 4 in the bypass channel 7.
The valve body 1 other igniting sensitive switch 9 that is provided with starting ignition; Be provided with the needle 10 that can move forward and backward in the valve body 1, an end that is arranged with first Returnning spring, 11, the first Returnning springs 11 on the needle 10 withstands on the valve body 1; The other end of first Returnning spring 11 withstands on the rear end of needle 10; Security solenoid valve 5 is connected with thermocouple 12, and the rear end of needle 10 is set with double-action plate 13, and igniting sensitive switch 9 is provided with push-button switch 91; When double-action plate 13 times on time, double-action plate 13 can touch push-button switch 91.Igniting sensitive switch 9 links to each other with igniter 16, and porcelain pin 17 links to each other with igniter 16, and igniter 16 energising backs produce high pressure, produce spark between porcelain pin 17 and the burner 18, and burner 18 is lighted flame, and thermocouple 12 detects this flame.
Also comprise the temp probe 14 that is used to detect air in the baking box, temp probe 14 is connected with self-priming solenoid valve 6 through temperature detect switch (TDS) 15.
Vernier device comprises micrometer adjusting screw 8, and the leading portion 81 of micrometer adjusting screw 8 inserts bypass channel 7, and the rear portion of micrometer adjusting screw 5 is exposed at outside the valve body 1; The front end of micrometer adjusting screw 8 is cone table shape; Be provided with taper mouth in the bypass channel 7, the taper mouth in the cone table shape front end of micrometer adjusting screw 8 and the bypass channel 7 cooperatively interacts and regulates the gas output of combustion gas, forms ring cavity 82 between the leading portion of micrometer adjusting screw 8 and the bypass channel 7; The leading portion of micrometer adjusting screw 8 is provided with annular recess 83; Ring cavity 82 communicates with annular recess 83, and the front end of micrometer adjusting screw 8 is provided with air outlet hole 84, and air outlet hole 84 communicates with annular recess 83.
Claims (6)
1. baking box gas valve assembly; Comprise valve body; Described valve body is provided with fuel gas inlet, gas outlet and combustion gas main passage; The leading portion of combustion gas main passage is provided with the security solenoid valve that control combustion gas main passage is opened or closed, and it is characterized in that the back segment of combustion gas main passage is provided with the self-priming solenoid valve that control combustion gas main passage is opened or closed, and between the combustion gas main passage of self-priming solenoid valve front end and gas outlet, is provided with bypass channel; The bore of described bypass channel is provided with vernier device less than the bore of combustion gas main passage in the described bypass channel.
2. a kind of baking box gas valve assembly according to claim 1 is characterized in that the other igniting sensitive switch that is provided with starting ignition of described valve body, is provided with the needle that can move forward and backward in the described valve body; Be arranged with first Returnning spring on the needle; One end of described first Returnning spring withstands on the valve body, and the other end of first Returnning spring withstands on the rear end of needle, and described security solenoid valve is connected with thermocouple; The rear end of described needle is set with double-action plate; Described igniting sensitive switch is provided with push-button switch, and on time, double-action plate can touch described push-button switch under double-action plate.
3. a kind of baking box gas valve assembly according to claim 2 is characterized in that described security solenoid valve comprises first valve rod, magnetic core and case, and the front end of first valve rod is provided with plug; Be arranged with second Returnning spring on described first valve rod, described second Returnning spring is between plug and case, and described plug is provided with first seal ring; Under the first Returnning spring extended configuration; Described second Returnning spring also is in extended configuration, and this moment, plug was sealed described combustion gas main passage, and the front end of needle withstands on the front end of described plug; Under the first Returnning spring compressive state; Described plug is opened described combustion gas main passage, and second Returnning spring also is in compressive state, and described magnetic core is run in the rear end of first valve rod.
4. a kind of baking box gas valve assembly according to claim 3 is characterized in that also comprising the temp probe that is used to detect air in the baking box, and described temp probe is connected with the self-priming solenoid valve through temperature detect switch (TDS).
5. a kind of baking box gas valve assembly according to claim 4; It is characterized in that described vernier device comprises micrometer adjusting screw, the leading portion of micrometer adjusting screw inserts described bypass channel, and the rear portion of micrometer adjusting screw is exposed at outside the described valve body; The front end of described micrometer adjusting screw is cone table shape; Be provided with taper mouth in the described bypass channel, the taper mouth in the cone table shape front end of described micrometer adjusting screw and the bypass channel cooperatively interacts and regulates the gas output of combustion gas, forms ring cavity between the leading portion of micrometer adjusting screw and the bypass channel; The leading portion of described micrometer adjusting screw is provided with annular recess; Ring cavity communicates with described annular recess, and the front end of described micrometer adjusting screw is provided with air outlet hole, and described air outlet hole communicates with described annular recess.
6. a kind of baking box gas valve assembly according to claim 5 is characterized in that described fuel gas inlet place is provided with second seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103220832A CN102506209A (en) | 2011-10-21 | 2011-10-21 | Oven gas valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103220832A CN102506209A (en) | 2011-10-21 | 2011-10-21 | Oven gas valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102506209A true CN102506209A (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103220832A Pending CN102506209A (en) | 2011-10-21 | 2011-10-21 | Oven gas valve assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN102506209A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVR20130079A1 (en) * | 2013-04-03 | 2014-10-04 | Atis S R L | FLUID FLOW LIMITING VALVE, IN PARTICULAR FOR MANIPULATORS |
| CN104791509A (en) * | 2015-04-21 | 2015-07-22 | 宁波朝阳家用燃气具有限公司 | Fuel gas valve |
| CN114151576A (en) * | 2021-12-12 | 2022-03-08 | 台州美亚第流体智控有限公司 | Gas valve core |
| WO2023123680A1 (en) * | 2021-12-27 | 2023-07-06 | 广东合胜厨电科技有限公司 | Push-type touch gas valve |
Citations (7)
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| CN201133469Y (en) * | 2007-11-21 | 2008-10-15 | 郭建刚 | Electromagnetic valve and temperature-controlling oven embodying same |
| CN101413685A (en) * | 2007-10-16 | 2009-04-22 | 王利虹 | Method for automatically controlling heating power of gas kitchen range following with set temperature |
| CN201368254Y (en) * | 2009-01-13 | 2009-12-23 | 黄桂荣 | Fuel gas temperature control safety valve with solenoid valve for fuel gas oven |
| CN201532881U (en) * | 2009-09-16 | 2010-07-21 | 陈军 | Micro-switch with improved structure |
| CN201636364U (en) * | 2010-01-25 | 2010-11-17 | 梁锐昌 | Novel automatic temperature-control gas safety valve |
| CN201963957U (en) * | 2011-02-17 | 2011-09-07 | 詹俊杰 | Valve |
| CN202280891U (en) * | 2011-10-21 | 2012-06-20 | 宁波安佳厨房系统有限公司 | Fuel gas valve assembly for baking oven |
-
2011
- 2011-10-21 CN CN2011103220832A patent/CN102506209A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413685A (en) * | 2007-10-16 | 2009-04-22 | 王利虹 | Method for automatically controlling heating power of gas kitchen range following with set temperature |
| CN201133469Y (en) * | 2007-11-21 | 2008-10-15 | 郭建刚 | Electromagnetic valve and temperature-controlling oven embodying same |
| CN201368254Y (en) * | 2009-01-13 | 2009-12-23 | 黄桂荣 | Fuel gas temperature control safety valve with solenoid valve for fuel gas oven |
| CN201532881U (en) * | 2009-09-16 | 2010-07-21 | 陈军 | Micro-switch with improved structure |
| CN201636364U (en) * | 2010-01-25 | 2010-11-17 | 梁锐昌 | Novel automatic temperature-control gas safety valve |
| CN201963957U (en) * | 2011-02-17 | 2011-09-07 | 詹俊杰 | Valve |
| CN202280891U (en) * | 2011-10-21 | 2012-06-20 | 宁波安佳厨房系统有限公司 | Fuel gas valve assembly for baking oven |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVR20130079A1 (en) * | 2013-04-03 | 2014-10-04 | Atis S R L | FLUID FLOW LIMITING VALVE, IN PARTICULAR FOR MANIPULATORS |
| EP2787409A1 (en) * | 2013-04-03 | 2014-10-08 | ATIS S.r.l. | A fluid flow rate limiting valve, in particular for manipulators |
| CN104791509A (en) * | 2015-04-21 | 2015-07-22 | 宁波朝阳家用燃气具有限公司 | Fuel gas valve |
| CN114151576A (en) * | 2021-12-12 | 2022-03-08 | 台州美亚第流体智控有限公司 | Gas valve core |
| CN114151576B (en) * | 2021-12-12 | 2023-09-26 | 台州美亚第流体智控有限公司 | Gas valve core |
| WO2023123680A1 (en) * | 2021-12-27 | 2023-07-06 | 广东合胜厨电科技有限公司 | Push-type touch gas valve |
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Application publication date: 20120620 |