CN105202245B - A kind of linear air-out type electric-controlled gas valve - Google Patents
A kind of linear air-out type electric-controlled gas valve Download PDFInfo
- Publication number
- CN105202245B CN105202245B CN201510616962.4A CN201510616962A CN105202245B CN 105202245 B CN105202245 B CN 105202245B CN 201510616962 A CN201510616962 A CN 201510616962A CN 105202245 B CN105202245 B CN 105202245B
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- China
- Prior art keywords
- valve
- gas
- spool
- sliding sleeve
- type electric
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Classifications
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- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—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
- 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
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of linear air-out type electric-controlled gas valve, including the interior valve body for setting valve chamber, the spool in the valve chamber, the air inlet connected with the valve chamber and at least one gas outlet；The valve body is externally provided with the stepper motor of driving spool linear motion, the lower part of valve chamber is equipped with the gas flow optimized passage connected with the gas outlet, the spool has the insertion end of gas flow optimized passage described in break-make, and the insertion end has the conical surface with the open-ended cooperation of gas flow optimized passage.The present invention is fed by linear stepping motor, the open-ended generation distance of the conical surface with movable valve plug and gas flow optimized passage, the changes in flow rate of control inner and outer ring gas outlet, and goes out fiery state with self-priming valve open and close controlling inner and outer ring.
Description
Technical field
The present invention relates to a kind of electric-controlled gas valve more particularly to a kind of linear air-out type electric-controlled gas valves.
Background technology
Fuel gas plug valve is mostly mechanical plug valve currently on the market, generally comprises and offers inlet channel and outlet leads to
Valve body, the valve body in road are interior to have the spool with big fire hole and small fire hole and a rotary knob rod.
When in use, the outlet passageway end of cock valve body is connected use with nozzle to fuel gas plug valve, and user can lead to
It crosses and is arranged on the knob on operation panel and the rotary knob rod under operation knob, generally first press knob and rotate counterclockwise, you can
Band movable valve plug rotates counterclockwise, and the big fire hole on spool is made to be connected with the in vivo inlet channel of valve, at this point, source of the gas can pass through
Inlet channel, outlet passageway and from nozzle spray, for gas utensil use.When turning the intensity of a fire down, user continues to rotate counterclockwise
Knob makes the small fire hole on spool be connected with the in vivo inlet channel of valve, reduces the circulation passage of source of the gas and reaches reduction fire
The purpose of gesture.
Electric-controlled gas valve is to adjust throughput by driving stepper motor.For example, Application No. 200620103973.9
Utility model patent disclose a kind of gas control valve of household gas range, being provided with air inlet in the valve body of the control valve leads to
Road, outlet passageway and control chamber, the closing of inlet channel one end, the other end are communicated with control chamber, and side wall is provided with air inlet；Outlet
Outside one end pass-out valve body of passage, the side wall that the other end is opened on control chamber forms gas outlet；Spool is opened for one end closing, one end
Mouthful hollow round table, be placed in control chamber, and be fitted close with control chamber side wall, the side wall of spool circumferentially with gas outlet position
It is corresponding to be provided with regulating the qi flowing in the channels mouth, the blind end mating connection of stepper motor and spool.The patent of invention drives valve by stepper motor
Core rotates to adjust the size of firepower, so as to fulfill the electronic control of household gas range.
Existing electric-controlled gas valve, although the velocity magnitude of ventilation can be adjusted, when air inlet is adjusted, air inlet
Mutation can be generated, so that flame can become larger or become smaller suddenly suddenly, the intensity of a fire for causing fuel gas buring is unstable.
The content of the invention
To solve problems of the prior art, the present invention provides a kind of linear air-out type electric-controlled gas valve, logical
While crossing stepper motor and adjust to tolerance, the linear changes in distribution of electrically-controlled valve gas output is kept, section is adjusted to be adapted to
Variation can avoid flame suddenly change, maintain stabilization of the intensity of a fire during adjusting.
The specific technical solution of the present invention is as follows：
A kind of linear air-out type electric-controlled gas valve, including the interior valve body for setting valve chamber, the spool in the valve chamber, with institute
State the air inlet of valve chamber connection and at least one gas outlet；
The valve body is externally provided with the stepper motor of driving spool linear motion, and the lower part of valve chamber is equipped with to be connected with the gas outlet
Logical gas flow optimized passage, the spool have the insertion end of gas flow optimized passage described in break-make, and the insertion end has and gas
First conical surface of the open-ended cooperation of flow control passage.
Spool in the present invention is inserted into or is withdrawn control gas flow optimized by spool by stepper motor linear advancement and led to
The break-make in road, controls out throughput to be linearly distributed, and valve body flow promotes spool feeding freely to adjust by stepper motor, fire
Gesture adjusts section also to be increased immediately.
As a further improvement, the open-ended of the gas flow optimized passage has the be adapted with first conical surface
Two conical surfaces.
For the conical surface of cooperation spool bottom insertion end, the throughput that goes out for being adapted to gas outlet is linearly distributed, by air-flow control
The open-ended of passage processed is arranged to bell mouth shape, and inner wall is also for after the conical surface, with the cone match of insertion end, contact area compared with
Greatly, there is good leakproofness；In addition, in terms of throughput is controlled out, it is more advantageous to forming linear distribution.
As a further improvement, equipped with the sliding sleeve for making lifting activity in the valve chamber, the gas flow optimized passage, which is located at, to be slided
In set, the limit assembly for acting on sliding sleeve is equipped in the valve chamber.
The valve chamber of the present invention includes the installation cavity on top and the gas channel of lower part, and spool is arranged in installation cavity, sliding sleeve
It is arranged in gas channel and keeps being slidingly sealed between gas channel inner wall；Gas flow optimized passage is arranged in sliding sleeve,
And utilize the activity of limit assembly control sliding sleeve；After the sliding over and acted on by spool of activity, buffered by shifting under spool
Pressure, avoids forming rigid collision between the two, has protective effect to spool and sliding sleeve.
As a further improvement, it is equipped with to keep the sealing ring of sealing with valve chamber in the outer wall of the sliding sleeve.
As a further improvement, the limit assembly includes being arranged on above sliding sleeve and for preventing pressure sliding on sliding sleeve
Plate, pressing plate middle part are equipped with blow vent.
The insertion end of spool is entering through after blow vent in gas flow optimized passage, and blow vent is sufficiently large, and must not be stopped
The insertion of spool and combustion gas by the way that while blow vent is also not greater than the outer diameter of sliding sleeve；The top of sliding sleeve props up pressing plate
Lower surface, blow vent are connected with gas flow optimized passage.
As a further improvement, the limit assembly further includes the resetting spring for being used to support sliding sleeve, the resetting spring
Top prop up the lower part of sliding sleeve, bottom is supported on the bottom of valve chamber.
On the one hand resetting spring resets for the rising of sliding sleeve, on the other hand after sliding sleeve is pushed by spool, keep spool
Insertion end and the opening of gas flow optimized passage fit closely, be also used for buffering spool rigidity pushing.
As a further improvement, the sliding sleeve bottom, which has, stretches into extension in resetting spring, have outside extension by
The step that resetting spring compresses for carrying out /V to the contact position of resetting spring and sliding sleeve, prevents the generation of resetting spring
Displacement.
As a further improvement, the gas outlet includes inner ring gas outlet and outer shroud gas outlet, the is equipped at air inlet
One self-priming valve is equipped with the second self-priming valve at outer shroud gas outlet.
As a further improvement, the spool is equipped with the locating part of control spool insertion amplitude, for controlling insertion end
Depth capacity into gas flow optimized passage can also avoid resetting spring from being overly compressed.
As a further improvement, the locating part is the limiting plate being arranged outside spool, the outer diameter of limiting plate is more than the gas
The internal diameter of flow control passage.
The present invention is fed by linear stepping motor, the open-ended generation of the conical surface with movable valve plug and gas flow optimized passage
Distance, the changes in flow rate of control inner and outer ring gas outlet, and go out fiery state with self-priming valve open and close controlling inner and outer ring.
Description of the drawings
Fig. 1 is the structure diagram of linear air-out type electric-controlled gas valve in the present invention；
Fig. 2 is that the flow of linear air-out type electric-controlled gas valve in the present invention divides gas figure；
Fig. 3 be in Fig. 2 A-A to sectional view.
Specific embodiment
The linear air-out type electric-controlled gas valve of the present invention is described in further detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of linear air-out type electric-controlled gas valve, including the interior valve body 1 for setting valve chamber 2, positioned at valve chamber
Spool 3 in 2, the air inlet 5 connected with valve chamber 2, inner ring gas outlet 6 and outer shroud gas outlet 7.First is equipped at air inlet 5 certainly
Valve 9 is inhaled, the second self-priming valve 8 is equipped at outer shroud gas outlet 7.
Valve body 1 is equipped with the stepper motor 4 that driving spool 3 moves along a straight line, using sealing between stepper motor 4 and valve body 1
10 sealing of circle.
Valve chamber 2 includes the installation cavity 21 on top and the gas channel 22 of lower part, and spool 3 is arranged in installation cavity 21, air-flow
Equipped with the sliding sleeve 13 for making lifting activity in passage 22, two layers of building sealing ring 14 in the outer wall of sliding sleeve 13, for sliding sleeve 13 and air-flow
Movable sealing between passage 22.
It is the gas flow optimized passage 17 connected with inner ring gas outlet 6 and outer shroud gas outlet 7, the bottom of spool 3 in the middle part of sliding sleeve 13
Portion is the insertion end 31 of break-make gas flow optimized passage 17, and insertion end 31 has and the open-ended cooperation of gas flow optimized passage 17
The conical surface, the open-ended bell mouth shape to be adapted with the conical surface of gas flow optimized passage 17, to coordinate 31 insertion ends so that two
The throughput that goes out of a gas outlet is linearly distributed.
In the present embodiment, the limit assembly for acting on sliding sleeve 13 is equipped in valve chamber 2.Limit assembly includes being arranged on sliding sleeve 13
Top and for preventing the pressing plate 12 that sliding sleeve 13 moves up, pressing plate 12 is fixed on the annular of 22 joining place of installation cavity 21 and gas channel
On step, 12 middle part of pressing plate is equipped with blow vent, and the top of sliding sleeve 13 props up the lower surface of pressing plate 12, makes blow vent and gas flow optimized
Passage 17 connects.Limit assembly further includes the resetting spring 16 for being used to support sliding sleeve 13, and the top of resetting spring 16 props up sliding sleeve
13 lower part, bottom are supported on the bottom of valve chamber.16 one side of resetting spring resets for the rising of sliding sleeve, on the other hand in cunning
After set is pushed by spool, the insertion end and the opening of gas flow optimized passage 17 that keep spool 3 fit closely, and are also used for buffering spool
Rigidity pushing.In addition, 13 bottom of sliding sleeve has the extension 15 stretched into resetting spring 16, have outside extension 15 and resetted
The step that spring 16 compresses for carrying out /V to the contact position of resetting spring 16 and sliding sleeve 13, prevents the hair of resetting spring
Raw displacement.
In the present embodiment, the insertion end 31 of spool 3 is externally provided with limiting plate 32, and the outer diameter of limiting plate 32 leads to more than gas flow optimized
The internal diameter in road 17, spool 3 decline after (dotted line position in Fig. 1), limiting plate 32 is supported on pressing plate 12, prevent spool 3 after
Continuous movement, to control insertion end 31 that can also avoid resetting spring excessive pressure into the depth capacity in gas flow optimized passage 17
Contracting.In addition, compression spring 11 is equipped between spool 3 and pressing plate 12.
As shown in Figures 2 and 3, gas through gas circuit 1. into the sealing space in the first self-priming valve 9, open by the first self-priming valve 9,
2. gas is entered in valve chamber 2 by gas circuit, stepper motor 4 bounces back upwards with movable valve plug 3,3. gas enters gas flow optimized passage through gas circuit
In 17, can respectively by gas circuit 4. or 6. gas circuit is sent to inner ring gas outlet 6 and outer shroud gas outlet 7；When the second self-priming valve 8 is closed
When, 6. 7. gas circuit is disconnected with gas circuit, 5. gas is sent out by gas circuit from inner ring gas outlet 6；When the second self-priming valve 8 is opened, gas leads to
While crossing gas circuit and 5. sent out from inner ring gas outlet 6, gas circuit 6., gas circuit 7., gas circuit be 8. 9. linked to be access with gas circuit, gas can be from outer
It sends out ring gas outlet 7.
The foregoing is merely the preferable implementation examples of the present invention, are not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of linear air-out type electric-controlled gas valve, including the interior valve body for setting valve chamber, the spool in the valve chamber is and described
The air inlet of valve chamber connection and at least one gas outlet, which is characterized in that the valve body is externally provided with driving spool linear motion
Stepper motor, the lower part of valve chamber are equipped with the gas flow optimized passage connected with the gas outlet, and the spool has gas described in break-make
The insertion end of flow control passage, the insertion end have first conical surface with the open-ended cooperation of gas flow optimized passage；
It is located in sliding sleeve, is equipped in the valve chamber equipped with the sliding sleeve for making lifting activity, the gas flow optimized passage in the valve chamber
Act on the limit assembly of sliding sleeve；
The gas outlet includes inner ring gas outlet and outer shroud gas outlet, the first self-priming valve, outer shroud gas outlet being equipped at air inlet
Place is equipped with the second self-priming valve.
2. linear air-out type electric-controlled gas valve as described in claim 1, which is characterized in that the end of the gas flow optimized passage
Opening is with second conical surface being adapted with first conical surface.
3. linear air-out type electric-controlled gas valve as described in claim 1, which is characterized in that be equipped with and use in the outer wall of the sliding sleeve
In the sealing ring that sealing is kept with valve chamber.
4. linear air-out type electric-controlled gas valve as described in claim 1, which is characterized in that the limit assembly includes being arranged on
Above sliding sleeve and for preventing pressing plate sliding on sliding sleeve, blow vent is equipped in the middle part of pressing plate.
5. linear air-out type electric-controlled gas valve as described in claim 1, which is characterized in that the limit assembly, which further includes, to be used for
The resetting spring of sliding sleeve is supported, the top of the resetting spring props up the lower part of sliding sleeve, and bottom is supported on the bottom of valve chamber.
6. linear air-out type electric-controlled gas valve as claimed in claim 5, which is characterized in that the sliding sleeve bottom, which has, to be stretched into again
Extension in the spring of position, extension have the step compressed by resetting spring outside.
7. linear air-out type electric-controlled gas valve as described in claim 1, which is characterized in that the spool is equipped with control spool
The locating part of insertion amplitude.
8. linear air-out type electric-controlled gas valve as claimed in claim 7, which is characterized in that the locating part is to be arranged outside spool
Limiting plate, the outer diameter of limiting plate is more than the internal diameter of the gas flow optimized passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616962.4A CN105202245B (en) | 2015-09-24 | 2015-09-24 | A kind of linear air-out type electric-controlled gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616962.4A CN105202245B (en) | 2015-09-24 | 2015-09-24 | A kind of linear air-out type electric-controlled gas valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105202245A CN105202245A (en) | 2015-12-30 |
| CN105202245B true CN105202245B (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510616962.4A Active CN105202245B (en) | 2015-09-24 | 2015-09-24 | A kind of linear air-out type electric-controlled gas valve |
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| CN (1) | CN105202245B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485401A (en) * | 2016-01-26 | 2016-04-13 | 宁波方太厨具有限公司 | Flow control valve for gas stove |
| CN105546149A (en) * | 2016-01-26 | 2016-05-04 | 宁波方太厨具有限公司 | Gas stove flow control valve |
| CN109931418B (en) * | 2017-12-15 | 2024-01-23 | 宁波方太厨具有限公司 | Electric control plug valve |
| CN111219500B (en) * | 2018-11-26 | 2021-05-18 | 宁波方太厨具有限公司 | Gas regulating valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202580065U (en) * | 2012-01-12 | 2012-12-05 | 深圳市华江科技有限公司 | Gas control valve |
| CN203036051U (en) * | 2012-12-31 | 2013-07-03 | 浙江新涛电子机械股份有限公司 | Full sealed electronic control gas valve |
| CN203770682U (en) * | 2014-04-11 | 2014-08-13 | 华帝股份有限公司 | Electric water regulating valve |
| CN205013804U (en) * | 2015-09-24 | 2016-02-03 | 浙江新涛电子机械股份有限公司 | Automatically controlled gas valve of linearity formula of giving vent to anger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159302A (en) * | 1994-12-02 | 1996-06-21 | Hikari Gokin Seisakusho:Kk | Back flow prevention type drain plug having valve seat |
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2015
- 2015-09-24 CN CN201510616962.4A patent/CN105202245B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202580065U (en) * | 2012-01-12 | 2012-12-05 | 深圳市华江科技有限公司 | Gas control valve |
| CN203036051U (en) * | 2012-12-31 | 2013-07-03 | 浙江新涛电子机械股份有限公司 | Full sealed electronic control gas valve |
| CN203770682U (en) * | 2014-04-11 | 2014-08-13 | 华帝股份有限公司 | Electric water regulating valve |
| CN205013804U (en) * | 2015-09-24 | 2016-02-03 | 浙江新涛电子机械股份有限公司 | Automatically controlled gas valve of linearity formula of giving vent to anger |
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| Publication number | Publication date |
|---|---|
| CN105202245A (en) | 2015-12-30 |
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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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