CN107300026A - Gas valve - Google Patents
Gas valve Download PDFInfo
- Publication number
- CN107300026A CN107300026A CN201710670345.1A CN201710670345A CN107300026A CN 107300026 A CN107300026 A CN 107300026A CN 201710670345 A CN201710670345 A CN 201710670345A CN 107300026 A CN107300026 A CN 107300026A
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- CN
- China
- Prior art keywords
- fire
- runner
- inner ring
- outer shroud
- internal perisporium
- 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.)
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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
- 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
- F16K11/0836—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 having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
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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
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of gas valve, including valve body, valve element and multiple nozzles, valve element is pivotally disposed in the valve pocket of valve body, valve body is provided with air inlet runner and distribution runner, air inlet runner is communicated to the middle cavity of valve element, the periphery wall of valve element is provided around fire hole, include insertion to the connection fire hole of middle cavity around fire hole, distribution runner includes forming the distribution runner starter hole in the internal perisporium of valve pocket, and combustion gas passes sequentially through air inlet runner, middle cavity, branched to around fire hole and distribution runner in each nozzle；Wherein, along sparking direction of rotation, valve element is rotated to most big fire position, most small fire position successively from closed position so that the respective intensity of a fire of each nozzle is adjusted to minimum intensity of a fire state from maximum intensity of a fire state gradual change, and the rotation angle range of intensity of a fire gradual change regulation is not less than 60 °.Thus, gas valve of the invention can adjust each ring fire gesture with the small function in Datong District, and its angular range being adjusted in synchronism is sufficiently wide, designs humanized.
Description
Technical field
The present invention relates to gas valve field, in particular it relates to a kind of gas valve.
Background technology
In household gas utensils, stopping, open and adjusting in pipeline for combustion gas is generally controlled using gas valve
Gas, and gas valve has good control characteristic and closing sealing property, it is ensured that the safe handling of gas kitchen ranges.
Conventional gas valve mainly has 3 gears, and 0 °, 90 ° counterclockwise (along sparking direction of rotation) is followed successively by respectively
With 180 ° of positions, by adjusting corresponding gear to control the size of flame.Wherein, 0 ° of position is the closed position of the gas valve,
That is original position；90 ° of positions are most big fire position；180 ° of positions are the state of most small fire.In addition, turn gas valve is from 90 ° of positions
Put when rotating successively to 0 ° or 180 ° of positions, be that the intensity of a fire is gradually reduced, and at 180 °, outer ring fire is closed and interior middle ring fire is in most
Small state.But because the anglec of rotation is smaller (i.e. 90 °), it is difficult the size for controlling the intensity of a fire to cause user, can only rely on and bend over to see
Examine, Consumer's Experience sense is not good.
The content of the invention
It is an object of the invention to provide a kind of gas valve, the rotation angle range of the intensity of a fire gradual change regulation of the gas valve is more
Greatly, design humanized.
To achieve these goals, the present invention provides a kind of gas valve, including valve body, valve element and multiple nozzles, the valve
Core is pivotally disposed in the valve pocket of the valve body, and the valve body is provided with air inlet runner and distribution runner, the air inlet runner
The middle cavity of the valve element is communicated to, the periphery wall of the valve element is provided around fire hole, and the circular fire hole includes insertion to institute
The connection fire hole of middle cavity is stated, the distribution runner includes forming the distribution runner starter hole in the internal perisporium of the valve pocket, combustion
Gas passes sequentially through the air inlet runner, middle cavity, branched to around fire hole and the distribution runner in each described nozzle；
Wherein, along sparking direction of rotation, the valve element rotates to most big fire position, most small fire position successively from closed position
Put, in the most big fire position, the connection fire hole alignment distribution runner starter hole, from the most big fire position rotate to
During the most small fire position, the cross-sectional flow area between the circular fire hole and the distribution runner starter hole is gradually reduced,
So that the respective intensity of a fire of each nozzle is adjusted to minimum intensity of a fire state, and intensity of a fire gradual change tune from maximum intensity of a fire state gradual change
The rotation angle range of section is not less than 60 °.
Preferably, the rotation angle range of the intensity of a fire gradual change regulation is not less than 90 ° and no more than 150 °.
Preferably, along the sparking direction of rotation, the closed position is 0 °, and the most big fire position is 90 °.
Preferably, in the rotary course of the intensity of a fire gradual change regulation, the circular fire hole and the distribution runner starter hole
Between cross-sectional flow area linearly reduce.
Preferably, the circular fire hole also includes tilting annular groove, and one end of the inclination annular groove is connected to the connection fire
Hole.
Preferably, the gas valve includes inner ring nozzle, middle ring nozzle and outer shroud nozzle.
Preferably, the distribution runner includes distributed amongst chamber, main transition runner and branch's transition runner, the valve element
Periphery wall is provided with the circular fire hole, inner ring groove and the peripheral groove of axially spaced-apart, and the main transition runner is used to connect
The circular fire hole with the distributed amongst chamber and forms the distribution runner starter hole, described point in the internal perisporium of the valve pocket
Branch transition runner be used to connecting the distributed amongst chamber with the corresponding nozzle and respectively including inner ring branch transition runner, in
Ring branch transition runner and outer shroud branch transition runner；
Wherein, what inner ring branch transition runner included being sequentially communicated extends to described from the distributed amongst chamber
Inner ring upstream branch transition runner, the inner ring groove and the internal perisporium from the valve pocket of the internal perisporium of valve pocket extend to institute
State the inner ring downstream branch transition runner of inner ring nozzle；And
Outer shroud branch transition runner extends to the valve pocket including what can be sequentially communicated from the distributed amongst chamber
Internal perisporium outer shroud upstream branch transition runner, the peripheral groove and the internal perisporium from the valve pocket extend to it is described outer
The outer shroud downstream branch transition runner of ring spray mouth.
Preferably, the circular fire hole, inner ring groove and peripheral groove are the incomplete annular groove less than 360 ° around angle,
Enable controlled in the Spool rotating the corresponding main transition runner of on or off, inner ring branch transition runner or
Outer shroud branch transition runner.
Preferably, also include being arranged at intervals at the outer shroud pass fire after the most small fire position along the sparking direction of rotation
Position, when the valve element is in outer shroud pass fire position, the inner ring nozzle and middle ring nozzle keep minimum intensity of a fire state, and
The outer shroud nozzle fire extinguishing.
Preferably, also include being arranged at intervals at the pole of rotation after the fiery position in outer shroud pass along the sparking direction of rotation
Extreme position, when the valve element is in the rotation extreme position, the inner ring nozzle keeps minimum intensity of a fire state, and the middle ring
Nozzle is put out a fire.
Preferably, it is provided between the valve element and the valve body on gear component, the gear component at least provided with respectively
Gear is detained in the multiple rotations for closing fiery position corresponding to the most big fire position, most small fire position and outer shroud.
Preferably, the outer shroud upstream branch transition runner is formed with outer shroud internal perisporium outlet in the internal perisporium of the valve pocket
Mouthful, the outer shroud downstream branch transition runner is formed with outer shroud internal perisporium air inlet in the internal perisporium of the valve pocket；The inner ring
Upstream branch transition runner is formed with inner ring internal perisporium gas outlet, the inner ring downstream branch transition in the internal perisporium of the valve pocket
Runner is formed with inner ring internal perisporium air inlet in the internal perisporium of the valve pocket；
Wherein, the outer shroud internal perisporium gas outlet, distribution runner starter hole and inner ring internal perisporium gas outlet are axially aligned,
The inner ring internal perisporium gas outlet and inner ring internal perisporium air inlet are circumferentially-spaced, the outer shroud internal perisporium gas outlet and outer shroud inner circumferential
Wall air inlet is circumferentially-spaced.
Preferably, the periphery wall of the valve element is additionally provided with the holding fire hole run through, and the valve element is in the rotation limit
During position, inner ring internal perisporium air inlet described in the holding fire hole radially aligned.
Preferably, along the sparking direction of rotation, in the outer shroud internal perisporium gas outlet, distribution runner starter hole and inner ring
Perisporium gas outlet is respectively positioned on 0 ° of position, and the inner ring internal perisporium air inlet is located at 90 ° of positions, the outer shroud internal perisporium air inlet position
In 180 ° of positions.
Preferably, along the sparking direction of rotation, on the periphery wall of the valve element, the connection fire hole is arranged on 90 °
Position, the connection fire hole is communicated with inclination annular groove, and the inclination annular groove extends to the outer shroud and closes fiery position, the interior circular groove
Groove at least extends to the outer shroud from 0 ° of position and closes fiery position, and the peripheral groove extends at least since 90 ° of positions.
By above-mentioned technical proposal, gas valve of the invention can realize that the respective intensity of a fire for adjusting each nozzle is small with Datong District
Function, and its angular range being adjusted in synchronism is sufficiently wide, it is sufficient to meet the requirement of the accurate regulation of user, design more human nature
Change.Therefore user can be easily found the desired intensity of a fire, and the intensity of a fire is watched without bending over again, and experience sense is more preferable.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of the gas valve of the embodiment according to the present invention；
Fig. 2 is the structural representation of the gas valve of the embodiment according to the present invention；
Fig. 3 is the structural representation of the gas valve of the embodiment according to the present invention；
Fig. 4 is the sectional view of the gas valve of the embodiment according to the present invention, and the combustion gas of main presentation outer shroud is led in figure
The structural representation in road and middle ring blast tube；
Fig. 5 is the sectional view of the gas valve of the embodiment according to the present invention, and the combustion gas of main presentation inner ring is led in figure
The structural representation in road；
Fig. 6 be in the structural representation of valve body, figure each in main presentation valve pocket into and out of fuel gas hole, including in outer shroud
Perisporium gas outlet, outer shroud internal perisporium air inlet, inner ring internal perisporium gas outlet, inner ring internal perisporium air inlet and distribution runner starting
Hole；
Fig. 7 is the diagrammatic cross-section in Fig. 6 A-A directions；
Fig. 8 is Fig. 6 part I close-up schematic view；
Fig. 9 a~Fig. 9 c are the structural representations of valve element；
Figure 10 is the floor map deployed along axle center of valve element；
Figure 11 be in the floor map deployed along axle center of valve pocket, figure each in main presentation valve pocket into and out of combustion gas
The position relationship in hole；
Figure 12 is a kind of sectional view of the gas valve of embodiment according to the present invention, and direction of arrow displaying is outer in figure
The fuel gas flow direction of ring combustion gas runner；
Figure 13 a~Figure 13 e be illustrate in the partial enlarged drawing of Figure 12 part J various states, figure when valve element successively
The structural representation of outer shroud combustion gas runner when rotating in the counterclockwise direction, respectively 60 °, 90 °, 200 °, 220 ° of Spool rotating
With 235 °；
Figure 14 is a kind of sectional view of the gas valve of embodiment according to the present invention, in figure in direction of arrow displaying
The fuel gas flow direction of ring combustion gas runner；
Figure 15 a~Figure 15 f be illustrate in the partial enlarged drawing of Figure 14 part M various states, figure when valve element successively
In the counterclockwise direction rotate when middle ring combustion gas runner structural representation, respectively 0 ° of Spool rotating, 40 °, 90 °, 200 °,
220 ° and 235 °；
Figure 16 is a kind of sectional view of the gas valve of embodiment according to the present invention, in figure in direction of arrow displaying
The fuel gas flow direction of ring combustion gas runner；
Figure 17 a~Figure 17 d be illustrate in the partial enlarged drawing of Figure 16 part K various states, figure when valve element successively
The structural representation of inner ring combustion gas runner when rotating in the counterclockwise direction, respectively 40 °, 90 °, 200 °, 220 ° of Spool rotating；
Figure 18 is a kind of sectional view of the gas valve of embodiment according to the present invention, in figure in direction of arrow displaying
The fuel gas flow direction of ring combustion gas runner, now when valve element is from 235 ° of its rotate counterclockwise of the closed position of starting；
Figure 19 is Figure 18 part L partial enlarged drawing；
Figure 20 is the stereogram of gear component.
Description of reference numerals
The valve element of 1 valve body 2
The middle ring nozzle of 3 inner ring nozzle 4
The gear component of 5 outer shroud nozzle 6
11 valve pockets 12 distribute runner starter hole
The outer shroud upstream branch transition runner of 13 distributed amongst chamber 14
The inner ring upstream branch transition runner of 15 outer shroud downstream branch transition runner 16
17 inner ring downstream branch transition runners
The outer shroud internal perisporium air inlet of 101 outer shroud internal perisporium gas outlet 102
The inner ring internal perisporium air inlet of 103 inner ring internal perisporium gas outlet 104
Cavity 22 is around fire hole in 21
The peripheral groove of 23 inner ring groove 24
25 keep the rotation of fire hole 61 to be detained gear
221 connection fire holes 222 tilt annular groove
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality used is typically pin such as " upper and lower, top, bottom "
For direction shown in the drawings either for each part mutual alignment relation on vertical, vertical or gravity direction
Word is described.
For gas valve of the prior art, there is the narrow bandwidth of the regulation intensity of a fire, be not carried out in, in, the circle of outer ring fire three
The intensity of a fire is adjusted in synchronism, so as to it is difficult to grasp intensity of a fire size, it is necessary to which the problems such as bending over to watch to adjust desired firepower, the present invention is carried
A kind of Novel gas valve is supplied, to solve this problem.As shown in Fig. 1 to Fig. 9 c, the gas valve includes valve body 1, valve element 2 and multiple
Nozzle, valve element 2 is pivotally disposed in the valve pocket 11 of valve body 1, and valve body 1 is provided with air inlet runner and distribution runner, air inlet runner
The middle cavity 21 of valve element 2 is communicated to, the periphery wall of valve element 2 is provided around fire hole 22, includes insertion to middle cavity around fire hole 22
21 connection fire hole 221, distribution runner includes forming the distribution runner starter hole 12 in the internal perisporium of valve pocket 11, and combustion gas is led to successively
Cross air inlet runner, middle cavity 21, branched to around fire hole 22 and distribution runner in each nozzle.Wherein, along sparking direction of rotation
(being usually counterclockwise), valve element 2 rotates to most big fire position, most small fire position successively from closed position, in most big fire position
Put, the connection alignment distribution runner of fire hole 221 starter hole 12, when rotating from most big fire position to most small fire position, around fire hole 22
Cross-sectional flow area between distribution runner starter hole 12 is gradually reduced so that the respective intensity of a fire of each nozzle is from most big fire
Gesture state gradual change is adjusted to minimum intensity of a fire state, and the rotation angle range of intensity of a fire gradual change regulation should be not less than 60 °.
Therefore, gas valve of the invention can realize the respective intensity of a fire for adjusting each nozzle with the small function in Datong District, and its
The angular range of synchronous adjustment is sufficiently wide, it is sufficient to meet the requirement of the accurate regulation of user, designs humanized.Therefore user
The desired intensity of a fire can be easily found, and the intensity of a fire is watched without bending over again, experience sense is more preferable.
Further, the bandwidth of intensity of a fire gradual change regulation can be bigger, is more convenient user, especially facilitates the behaviour of old user
Make, also should not be too big while rotating adjustable range, think that follow-up other gears design headspace (will be explained further below
Release).Therefore, in the present embodiment, the preferred scope of the anglec of rotation of intensity of a fire gradual change regulation is not less than 90 ° and is not more than
150°。
The main original position of the gas valve of the present invention and the steady fiery position of igniting use GB standard, i.e., along sparking rotation side
To closed position is 0 °, and most big fire position is 90 °, to meet the usual operation of user.
For the synchronous adjustment for the intensity of a fire for realizing each ring fire, in the rotary course that intensity of a fire gradual change is adjusted, it is preferable that around fire
Cross-sectional flow area between hole 22 and distribution runner starter hole 12 linearly reduces.So, into the combustion gas of distribution runner
The trend linearly reduced therewith, therefore flow into the combustion gas stream of each branch flow passage (i.e. each ring spray mouth) and also reduce therewith, so that
Realize each nozzle the respective intensity of a fire can with Datong District's minor adjustment function.
For above-mentioned in the rotary course that intensity of a fire gradual change is adjusted, to surround fire hole 22 and distribution runner starter hole 12
Between the method that linearly reduces of cross-sectional flow area can have a variety of ways of realization.Preferably, also include around fire hole 22
Annular groove 222 is tilted, the one end for tilting annular groove 222 is connected to connection fire hole 221.It can in addition contain be, for example, above-mentioned linearly subtract
Small cross-sectional area can be circumferentially-spaced arrangement and porous form or T-slot of aperture gradual change etc..
A kind of gas valve of embodiment of the present invention is that the form of three nozzles, the i.e. gas valve include interior ring spray
Mouth 3, middle ring nozzle 4 and outer shroud nozzle 5.For in realizing, in, the intensity of a fire of outer shroud each nozzle can with Datong District's minor adjustment work(
Can, the concrete structure of gas valve of the invention also does corresponding optimization design, is set forth below its concrete structure, especially combustion gas
Distribute runner design.
Specifically, as shown in fig. 7, distribution runner includes distributed amongst chamber 13, main transition runner and branch's transition runner, valve
The periphery wall of core 2 (as shown in Fig. 9 a to Fig. 9 c) is provided with circular fire hole 22, inner ring groove 23 and the peripheral groove of axially spaced-apart
24, main transition runner is used to be attached around fire hole 22 with distributed amongst chamber 13 and risen in the internal perisporium formation distribution runner of valve pocket 11
Beginning hole 12, branch's transition runner is used to connect distributed amongst chamber 13 with corresponding nozzle and respectively including inner ring branch transition flow
Road, middle ring branch transition runner and outer shroud branch transition runner.
Wherein, as shown in figure 5, inner ring branch transition runner is extended to including what can be sequentially communicated from middle distribution cavity 13
In inner ring upstream branch transition runner 16, inner ring groove 23 and the internal perisporium from valve pocket 11 of the internal perisporium of valve pocket 11 are extended to
The inner ring downstream branch transition runner 17 of ring spray mouth 3；And as shown in figure 4, outer shroud branch transition runner includes successively connecting
The outer shroud upstream branch transition runner 14 of the logical internal perisporium that valve pocket 11 is extended to from middle distribution cavity 13, peripheral groove 24 and
The outer shroud downstream branch transition runner 15 of outer shroud nozzle 5 is extended to from the internal perisporium of valve pocket 11.
In valve element 2, as shown in Figure 10, it is both preferably around fire hole 22, inner ring groove 23 and peripheral groove 24 around angle
Incomplete annular groove less than 360 ° so that valve element 2 can control the gas valve on or off corresponding main transition flow when rotating
Road, inner ring branch transition runner or outer shroud branch transition runner.So, by controlling the particular channel of three nozzle switch to set
Meter, i.e., inside and outside annular groove is preferably incomplete annular groove, can be with the corresponding runner of reed time controll on or off.Certainly, if combustion gas
When valve only sets most big fire position and most small fire position, during without setting outer shroud to close other gears such as fiery position, inside and outside annular groove
It can be designed as complete annular groove.
To adapt to more users demand, in the gas valve of the present invention, it is preferable that be also arranged at intervals along sparking direction of rotation
There are the fiery position in outer shroud pass being located at after most small fire position, when valve element 2 is in outer shroud pass fire position, inner ring nozzle 3 and middle ring spray
Mouth 4 keeps minimum intensity of a fire state, and outer shroud nozzle 5 is put out a fire.I.e. when rotary spool 2, the non-alignment outer shroud of peripheral groove 24 branch
Transition runner, and other runners are when all turning on, and are that outer shroud closes fiery position.Which adds the feature of the gas valve, with full
A variety of demands of sufficient more users.
In addition, the gas valve of the present invention preferably includes rotation extreme position, the position is the guarantor of only inner ring nozzle 3
Minimum intensity of a fire state is held, other each rings close fire.I.e. when the gas valve closes fiery position in above-mentioned outer shroud, continue to press and beat
Fiery direction rotary spool, also includes being arranged at intervals at the rotation extreme position after outer shroud closes fiery position along sparking direction of rotation,
When valve element 2 is in rotation extreme position, inner ring nozzle 3 keeps minimum intensity of a fire state, and middle ring nozzle 4 is put out a fire.Then, when circular
Fire hole 22 rotate as distribution runner starter hole 12 stagger when, distributed amongst chamber 13 without combustion gas stream it is fashionable, that is, distribute runner without
In normal direction, in, outer three nozzles distribution fluid when, outer, middle ring fire is closed.At this point it is possible to by being set on valve element 2 in correspondence
Ring internal perisporium air inlet 104 run through through hole, that is, keep fire hole 25, as shown in figure 11.But keeping the form of fire hole 25 can be
It is a variety of, as long as can meet, correspondence inner ring internal perisporium air inlet 104 is set on insertion valve element 2.
As shown in figure 20, gear component 6 is provided between valve element 2 and valve body 1, at least provided with corresponding to respectively on gear component 6
Gear 61 is detained in the multiple rotations for closing fiery position in most big fire position, most small fire position and outer shroud.It is detained gear design, there is a variety of
Implementation, preferably neck are detained the form of gear.
For in valve pocket 11 each into and out of fuel gas hole and its Position Design, specifically, as shown in Figure 6 to 8, outside
Ring upstream branch transition runner 14 is formed with outer shroud internal perisporium gas outlet 101, outer shroud downstream branch mistake in the internal perisporium of valve pocket 11
Cross runner 15 and be formed with outer shroud internal perisporium air inlet 102 in the internal perisporium of valve pocket 11；Inner ring upstream branch transition runner 16 is in valve
The internal perisporium of chamber 11 is formed with inner ring internal perisporium gas outlet 103, internal perisporium of the inner ring downstream branch transition runner 17 in valve pocket 11
It is formed with inner ring internal perisporium air inlet 104；
Wherein, outer shroud internal perisporium gas outlet 101, distribution runner starter hole 12 and inner ring internal perisporium gas outlet 103 be vertically
Alignment, inner ring internal perisporium gas outlet 103 and inner ring internal perisporium air inlet are circumferentially-spaced, outer shroud internal perisporium gas outlet 101 and outer shroud
Internal perisporium air inlet 102 is circumferentially-spaced.
Accordingly, as shown in Figure 10, in the valve pocket 12, edge sparking direction of rotation, outer shroud internal perisporium gas outlet 101,
Distribution runner starter hole 12 and inner ring internal perisporium gas outlet 103 are respectively positioned on 0 ° of position, and inner ring internal perisporium air inlet is located at 90 ° of positions
Put, outer shroud internal perisporium air inlet 102 is located at 180 ° of positions.
Meanwhile, as shown in Figure 10, along sparking direction of rotation, on the periphery wall of valve element 2, connection fire hole 221 is arranged on 90 °
Position, connection fire hole 221 is communicated with inclination annular groove 222, tilts annular groove 222 and extends to outer shroud and closes fiery position, inner ring groove 23 to
Few to extend to the fiery position in outer shroud pass from 0 ° of position, peripheral groove 24 extends at least since 90 ° of positions.
Below in conjunction with brief description of the drawings according to a kind of course of work of the gas valve of embodiment of the present invention and its respectively
Individual working condition.
When user presses the gear component 6 of gas valve, along during sparking direction sparking counterclockwise so that distribution runner starting
Hole 12 is gradually directed at connection fire hole 221.At this moment, combustion gas can enter the middle cavity of valve element 2 from inlet channel, then enter back into
Distributed amongst chamber 13, successively by combustion gas be assigned in, in, in the combustion gas runner of outer three ring.Specifically, Figure 14 and Figure 15 are illustrated
Several crucial rotary angle positions of middle ring, combustion gas passes sequentially through connection fire hole 221, tilts annular groove 222 into distributed amongst chamber
14, it is directly entered middle ring nozzle 4；Figure 12 and Figure 13 a to Figure 13 e illustrate several crucial rotary angle positions of outer shroud, work as combustion
Gas enters after distributed amongst chamber 13, and connecting peripheral groove 24 by outer shroud upstream branch transition runner 14 passes to outer shroud downstream branch
Transition runner 15, to turn on outer shroud nozzle 5；Figure 16 to Figure 19 illustrates several crucial rotary angle positions of outer shroud, in Figure 16
In Figure 17 a to Figure 17 d, after combustion gas enters distributed amongst chamber 13, inner ring is connected by inner ring upstream branch transition runner 16
Groove 23 passes to inner ring downstream branch transition runner 17, is rotation extreme position to turn in inner ring nozzle 3, Figure 18 and Figure 19,
I.e. 235 ° positions.
Specifically, Figure 13 a, Figure 15 a close the fiery each ring fire in ° position of position, i.e., 0 for the starting of valve element 2 and are in non-ignited state,
Gear component 6 counterclockwise rotates successively with movable valve plug 2 simultaneously.When rotating counterclockwise to 40 ° of positions, as illustrated in fig. 15b,
Combustion gas is initially entered in middle ring nozzle 4, and middle ring fire is burnt first.Then, valve element 2 is rotated to 60 ° of positions, Figure 17 a such as in Figure 13 b
Middle valve element 2 is rotated to 40 ° of positions, and corresponding outer ring fire and interior ring fire are also burnt immediately.When rotation to such as Figure 13 c, Figure 17 b, figure
During 15c, because distribution runner starter hole 12 is aligned with connection fire hole 221, the inlet of combustion gas reaches maximum, now each ring fire
In the maximum intensity of a fire.When continuing counterclockwise rotates, due to the circulation between fire hole 22 and distribution runner starter hole 12
Cross-sectional area linearly reduces, therefore each ring fire is sequentially reduced.
When gear component 6 continues counterclockwise with movable valve plug 2：
Wherein, Figure 13 d, Figure 13 e are respectively that the structure of outer shroud runner when valve element 2 rotates 200 °, 220 ° in valve pocket 12 is shown
It is intended to, 200 ° of positions are outer ring fire intensity of a fire minimum state, and are progressively closed off, when reaching 220 ° of positions, as outer ring fire is closed
Position.
Figure 15 d, Figure 15 e, Figure 15 f are respectively the middle ring runner in valve pocket 12 when valve element 2 rotates 200 °, 220 °, 235 °
Structural representation, 200 ° of positions are middle ring fire intensity of a fire minimum state, are always maintained to 220 ° of positions, start to progressively close off, when to
During up to 235 ° of positions, middle ring fire is closed, and as rotates extreme position.
Figure 17 c, Figure 17 d are respectively the structural representation of the inner ring runner in valve pocket 12 when valve element 2 rotates 200 °, 220 °,
The ring fire intensity of a fire is minimum state in 200 ° of positions, and is always maintained to 220 ° of positions.And now distributed amongst chamber 13 is no longer inside
Distribute combustion gas in circulation road, that is, if when being not provided with keeping fire hole 25 on valve element 2, interior ring fire also begins to close at 220 °
Close and extinguish.
Continue to rotate into Figure 18 and Figure 19,235 ° of positions, now outer, the middle equal OFF state of ring fire, and the periphery of valve element 2
Inner ring internal perisporium air inlet 104 described in the radially aligned of holding fire hole 25 run through of wall.When valve element 2 is in rotation extreme position,
Only interior ring fire is burnt with minimum state.
Therefore, the gas valve of the embodiment of the invention described above, be it is a kind of have realize in from 90 ° to 200 °, in,
The gas valve of outer three ring fires stepless time adjustment, wherein, 0 ° of position is starting closed position；90 ° for it is interior, in, the maximum of outer three ring fire
Fiery position；200 ° for it is interior, in, the most small fire position of outer three ring fire；220 ° are outer ring fire closed position, it is interior, in three ring fires for most
Small state；235 ° are rotation extreme position, and only interior ring fire is minimum state, and other each ring fires are closed.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (15)
1. a kind of gas valve, including valve body (1), valve element (2) and multiple nozzles, the valve element (2) are pivotally disposed at described
In the valve pocket (11) of valve body (1), the valve body (1) is communicated to described provided with air inlet runner and distribution runner, the air inlet runner
The middle cavity (21) of valve element (2), the periphery wall of the valve element (2) is provided around fire hole (22), and the circular fire hole (22) includes
Insertion is to the connection fire hole (221) of the middle cavity (21), and the distribution runner is including forming the inner circumferential in the valve pocket (11)
The distribution runner starter hole (12) of wall, combustion gas passes sequentially through the air inlet runner, middle cavity (21), surround fire hole (22) and described
Distribution runner is branched in each described nozzle；
Wherein, along sparking direction of rotation, the valve element (2) rotates to most big fire position, most small fire position successively from closed position,
In the most big fire position, connection fire hole (221) the alignment distribution runner starter hole (12), from the most big fire position
When rotation is to the most small fire position, the cross-sectional flow between the circular fire hole (22) and the distribution runner starter hole (12)
Area is gradually reduced so that the respective intensity of a fire of each nozzle is adjusted to minimum intensity of a fire shape from maximum intensity of a fire state gradual change
State, and the rotation angle range of intensity of a fire gradual change regulation is not less than 60 °.
2. gas valve according to claim 1, wherein, the rotation angle range of the intensity of a fire gradual change regulation is not less than
90 ° and no more than 150 °.
3. gas valve according to claim 1, wherein, along the sparking direction of rotation, the closed position is 0 °, described
Most big fire position is 90 °.
4. gas valve according to claim 1, wherein, it is described around fire in the rotary course of the intensity of a fire gradual change regulation
Cross-sectional flow area between hole (22) and the distribution runner starter hole (12) linearly reduces.
5. gas valve according to claim 4, wherein, the circular fire hole (22) also includes tilting annular groove (222), described
The one end for tilting annular groove (222) is connected to the connection fire hole (221).
6. the gas valve according to any one in Claims 1 to 5, wherein, the gas valve include inner ring nozzle (3),
Middle ring nozzle (4) and outer shroud nozzle (5).
7. gas valve according to claim 6, wherein, the distribution runner includes distributed amongst chamber (13), main transition flow
Road and branch's transition runner, the circular fire hole (22) of the periphery wall provided with axially spaced-apart of the valve element (2), inner ring groove
(23) and peripheral groove (24), the main transition runner is used to connect the circular fire hole (22) and the distributed amongst chamber (13)
And the distribution runner starter hole (12) is formed in the internal perisporium of the valve pocket (11), branch's transition runner is used to connect institute
State distributed amongst chamber (13) include with the corresponding nozzle and respectively inner ring branch transition runner, middle ring branch transition runner and
Outer shroud branch transition runner；
Wherein, what inner ring branch transition runner included being sequentially communicated extends to described from the distributed amongst chamber (13)
The inner ring upstream branch transition runner (16) of the internal perisporium of valve pocket (11), the inner ring groove (23) and from the valve pocket (11)
Internal perisporium extend to the inner ring downstream branch transition runner (17) of the inner ring nozzle (3)；And
Outer shroud branch transition runner extends to the valve pocket including what can be sequentially communicated from the distributed amongst chamber (13)
(11) the outer shroud upstream branch transition runner (14) of internal perisporium, the peripheral groove (24) and from the interior of the valve pocket (11)
Perisporium extends to the outer shroud downstream branch transition runner (15) of the outer shroud nozzle (5).
8. gas valve according to claim 7, wherein, the circular fire hole (22), inner ring groove (23) and peripheral groove
(24) it is to surround the incomplete annular groove that angle is less than 360 ° so that can control on or off when the valve element (2) rotates
The corresponding main transition runner, inner ring branch transition runner or outer shroud branch transition runner.
9. gas valve according to claim 8, wherein, also include being arranged at intervals at along the sparking direction of rotation it is described most
Outer shroud after small fire position closes fiery position, when the valve element (2) is in outer shroud pass fire position, the inner ring nozzle (3)
Minimum intensity of a fire state is kept with middle ring nozzle (4), and the outer shroud nozzle (5) is put out a fire.
10. gas valve according to claim 9, wherein, it is described also including being arranged at intervals at along the sparking direction of rotation
Outer shroud closes the rotation extreme position after fiery position, when the valve element (2) is in the rotation extreme position, the inner ring nozzle
(3) minimum intensity of a fire state is kept, and the middle ring nozzle (4) is put out a fire.
11. gas valve according to claim 10, wherein, gear structure is provided between the valve element (2) and the valve body (1)
It is fiery at least provided with the most big fire position, most small fire position and outer shroud pass is corresponded respectively on part (6), the gear component (6)
Gear (61) is detained in multiple rotations of position.
12. gas valve according to claim 10, wherein, the outer shroud upstream branch transition runner (14) is in the valve pocket
(11) internal perisporium is formed with outer shroud internal perisporium gas outlet (101), and the outer shroud downstream branch transition runner (15) is in the valve
The internal perisporium of chamber (11) is formed with outer shroud internal perisporium air inlet (102)；The inner ring upstream branch transition runner (16) is described
The internal perisporium of valve pocket (11) is formed with inner ring internal perisporium gas outlet (103), and the inner ring downstream branch transition runner (17) is in institute
The internal perisporium for stating valve pocket (11) is formed with inner ring internal perisporium air inlet (104)；
Wherein, the outer shroud internal perisporium gas outlet (101), distribution runner starter hole (12) and inner ring internal perisporium gas outlet (103)
Axially aligned, the inner ring internal perisporium gas outlet (103) and inner ring internal perisporium air inlet are circumferentially-spaced, the outer shroud internal perisporium
Gas outlet (101) and outer shroud internal perisporium air inlet (102) are circumferentially-spaced.
13. gas valve according to claim 12, wherein, the periphery wall of the valve element (2) is additionally provided with the holding fire run through
Hole (25), when the valve element (2) is in the rotation extreme position, inner ring inner circumferential described in holding fire hole (25) radially aligned
Wall air inlet.
14. gas valve according to claim 13, wherein, along the sparking direction of rotation, the outer shroud internal perisporium outlet
Mouth (101), distribution runner starter hole (12) and inner ring internal perisporium gas outlet (103) are respectively positioned on 0 ° of position, the inner ring internal perisporium
Air inlet is located at 90 ° of positions, and the outer shroud internal perisporium air inlet (102) is located at 180 ° of positions.
15. gas valve according to claim 14, wherein, along the sparking direction of rotation, the periphery in the valve element (2)
On wall, the connection fire hole (221) is arranged on 90 ° of positions, and the connection fire hole (221) is communicated with inclination annular groove (222), described
Tilt annular groove (222) and extend to the fiery position in outer shroud pass, the inner ring groove (23) at least extends to described outer from 0 ° of position
Ring closes fiery position, and the peripheral groove (24) extends at least since 90 ° of positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670345.1A CN107300026B (en) | 2017-08-08 | 2017-08-08 | Gas valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670345.1A CN107300026B (en) | 2017-08-08 | 2017-08-08 | Gas valve |
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| Publication Number | Publication Date |
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| CN107300026A true CN107300026A (en) | 2017-10-27 |
| CN107300026B CN107300026B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670345.1A Active CN107300026B (en) | 2017-08-08 | 2017-08-08 | Gas valve |
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| Country | Link |
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| CN (1) | CN107300026B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111306318A (en) * | 2020-03-31 | 2020-06-19 | 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 |
| CN114215933A (en) * | 2021-11-25 | 2022-03-22 | 广东思利科智能科技有限公司 | 90-degree double-cavity piezoelectric energy-saving valve |
| CN114215932A (en) * | 2021-11-25 | 2022-03-22 | 广东思利科智能科技有限公司 | 90-degree three-cavity piezoelectric energy-saving valve |
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| CN203718023U (en) * | 2014-01-08 | 2014-07-16 | 广东美的厨房电器制造有限公司 | Gas regulating valve and gas device |
| CN105650306A (en) * | 2016-03-31 | 2016-06-08 | 宁波来特燃气具有限公司 | Upwards-inserted gas valve for synchronously adjusting inner ring fire and outer ring fire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111306318A (en) * | 2020-03-31 | 2020-06-19 | 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 |
| CN114215933A (en) * | 2021-11-25 | 2022-03-22 | 广东思利科智能科技有限公司 | 90-degree double-cavity piezoelectric energy-saving valve |
| CN114215932A (en) * | 2021-11-25 | 2022-03-22 | 广东思利科智能科技有限公司 | 90-degree three-cavity piezoelectric energy-saving valve |
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| CN114215932B (en) * | 2021-11-25 | 2023-08-22 | 广东思利科智能科技有限公司 | 90-degree three-cavity piezoelectric energy-saving valve |
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|---|---|
| CN107300026B (en) | 2023-06-23 |
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