CN106015648B - A kind of fuel gas valve core and the gas valve with the fuel gas valve core - Google Patents
A kind of fuel gas valve core and the gas valve with the fuel gas valve core Download PDFInfo
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- CN106015648B CN106015648B CN201610634127.8A CN201610634127A CN106015648B CN 106015648 B CN106015648 B CN 106015648B CN 201610634127 A CN201610634127 A CN 201610634127A CN 106015648 B CN106015648 B CN 106015648B
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- spool
- inner ring
- outer shroud
- fire
- gas valve
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The present invention relates to a kind of fuel gas valve core, including spool, spool lower part is equipped with opening down venting cavity, and the transformable outer shroud fire hole of rotation gas output by spool is provided on venting cavity side wall；It is characterized in that：The periphery wall of spool, which is equipped with, to be located at the arc-shaped interior ring fire groove and the small duct of inner ring communicated with venting cavity and spool aperture, the small duct of inner ring that venting cavity blocks between outer shroud fire hole and interior ring fire groove, and spool hole separation is set on the outside of interior ring fire groove.It is the improved fuel gas valve core for gas valve of structure, the fuel gas valve core be realize during the outer ring fire of gas valve and interior ring fire are adjusted in synchronism, open fire, inner ring generates flame prior to outer shroud, during closing fire, inner ring is later than that outer shroud knock down the flame provides may.The invention further relates to a kind of gas valves, have aforementioned fuel gas valve core.
Description
Technical field
The present invention relates to a kind of gas valve for gas cooker more particularly to a kind of fuel gas valve core and it can realize outer ring fire
The gas valve of variation synchronous with interior ring fire.
Background technology
Gas valve in various gas cookers is the manual operating valve for controlling air source supply.Household gas utensils generally have
There are interior ring fire and outer ring fire, common binary channels gas valve to generally comprise internal with inlet channel, inner ring nozzle outlet passageway
With the valve body of outer shroud nozzle outlet passageway, valve body is interior to be equipped with revolvable spool, and spool top has spring cavity, and spool lower part is set
There is venting cavity, the valve rod of energy band movable valve plug rotation is equipped on valve body, the lower end of valve rod, which has been held, makes valve rod holding move up and take off
From the spring for connecting trend with spool, which is located in the spring cavity on spool, be provided on the venting cavity side wall of spool to
Be connected to inlet channel and outer shroud nozzle outlet passageway serial outer shroud fire hole not of uniform size, and to be connected to inlet channel and
The arc-shaped inner ring fire hole of inner ring nozzle outlet passageway.
In use, the inner ring nozzle outlet passageway of valve body and outer shroud nozzle outlet passageway end connect use with nozzle, it is interior
Ring spray mouth outlet passageway is finally communicated with the internal ring portion in kitchen range, outer shroud nozzle outlet passageway finally with the outer portion phase in kitchen range
Logical, user generally can first press knob and rotate counterclockwise, i.e., by being arranged in the knob on operation panel by operating valve lever
It can be rotated counterclockwise with movable valve plug, big fire hole and arc-shaped slot on spool is made to be connected with the inlet channel in valve body,
Air source is divided into independent two-way after inlet channel entrance, all the way via venting cavity, outer shroud fire hole and outer shroud nozzle outlet passageway
Connection, another way are connected to via venting cavity, inner ring fire hole with inner ring nozzle outlet passageway.When adjusting the intensity of a fire, turning knob is only needed,
Spool rotating is driven, communicates the intensity of a fire for realizing outer ring fire with outer shroud nozzle outlet passageway using the serial outer shroud fire hole of different pore size
It adjusts, and in the state that outer ring fire is adjusted to zero, interior ring fire still keeps out fire.During valve core rotation, because of interior ring fire
The pore size in hole is constant always, that is, cannot be adjusted in the intensity of a fire of interior ring fire.The gas-cooker of this mode, with small
When fire carries out fried egg or booth cake, because the only outer ring fire intensity of a fire becomes smaller, the firepower of interior ring fire is still larger, this can to decoct
The middle section of egg or thin pancake is easily burnt, influences the quality of food.
In addition, existing kitchen range are in the case of only interior ring fire burning, the interior ring fire intensity of a fire cannot be adjusted, this is unfavorable for
Baoshang.To ensure the safety that uses, a problem needed to be considered be how to ensure that outer shroud flame first extinguishes after, interior ring fire
Flame can still be kept, and so that it is burnt out remaining combustion gas, above is all those skilled in the art's technical problem in the urgent need to address.
Invention content
First technical problem to be solved by this invention be for the above-mentioned prior art present situation and a kind of structure is provided and is changed
Into the fuel gas valve core for gas valve, the fuel gas valve core be realize gas valve outer ring fire and interior ring fire be adjusted in synchronism, open fire
In the process, inner ring generates flame prior to outer shroud, and during closing fire, inner ring is later than the offer of outer shroud knock down the flame may.
Technical solution is used by the present invention solves above-mentioned first technical problem：A kind of fuel gas valve core, including spool,
Spool lower part is equipped with opening down venting cavity, and the transformable outer ring fire of rotation gas output by spool is provided on venting cavity side wall
Hole；It is characterized in that：The periphery wall of the spool be equipped with the arc-shaped interior ring fire groove blocked with venting cavity and with ventilation
The small duct of inner ring and spool aperture that chamber communicates, the small duct of inner ring are located between outer shroud fire hole and interior ring fire groove, spool aperture
Interval is set on the outside of interior ring fire groove.
It is further improved, above-mentioned outer shroud fire hole includes the big fire hole being directly connected to venting cavity, and is arranged in spool periphery
On wall and in the air slot of arcuation, the opening portion of the air slot initiating terminal is connected to big fire hole.In this way when spool is adjusting tolerance
Rotary course in, air slot is connected to by big fire hole with venting cavity always, does not have neutral gear, Spool rotating process in whole process
In, the adjusting of degree realization tolerance is overlapped with air flue in valve body by air slot, using the air slot of arc shape so that work as spool
Adjust tolerance rotary course in changes in flow rate (process from big fire to small fire) be change linearly (look like one
Straight line), therefore adjust and stablize in large and small fire adjustment process, it is not easy to stop working.
Preferably, above-mentioned air slot is gradually obliquely installed upwards along the periphery wall of spool.The air slot set-up mode, makes to work as
Spool is in the registration of rotation air slot and inlet channel in gradually increasing or the trend of reduction, and the variation of tolerance is in gradually slowly
The trend of variation, it is ensured that the adjusting of gas valve is more stable rationally.
This fuel gas valve core changes the intake method of conventional gas valve, and because interior ring fire groove and venting cavity block, therefore combustion gas is first
Via being allocated again after the transformable outer shroud fire hole of rotation gas output by spool, it is logical to be separately dispensed into outer shroud nozzle outlet
Road and inner ring nozzle outlet passageway, as long as therefore changed by the tolerance of outer shroud fire hole, outer shroud nozzle outlet passageway and inner ring
The gas output of nozzle outlet passageway changes synchronous, final to realize outer ring fire variation synchronous with interior ring fire；The small duct of inner ring is set
It sets and may be implemented under outer ring fire closed state, interior ring flame becomes big fire by small fire, then by the function of big fire just small fire；Spool is small
The setting in hole ensures that inner ring generates flame prior to outer shroud when lighting a fire beginning, and similarly, when inner and outer ring has flame, valve rod closes
During closing, outer ring fire extinguishes prior to interior ring fire, this ensures that the safety that gas cooker uses.
Second technical problem to be solved by this invention be for the above-mentioned prior art present situation and a kind of gas valve is provided,
The gas valve can realize outer ring fire and the purpose that interior ring fire is adjusted in synchronism, it is ensured that during opening fire, inner ring generates fire prior to outer shroud
Flame, during closing fire, inner ring is later than outer shroud knock down the flame, in addition also ensures under outer ring fire closed state, and interior ring fire is not only
It can still burn, and the intensity of a fire of interior ring fire can also be adjusted in the state of valve core rotation..
Technical solution is used by the present invention solves above-mentioned second technical problem：It is a kind of with aforementioned fuel gas valve core
Gas valve, including the internal valve body with inlet channel, outer shroud nozzle outlet passageway and inner ring nozzle outlet passageway, feature exist
In：The spool it is revolvable be set to valve body in, the interior ring fire groove, spool aperture and the small duct of inner ring to interior ring spray
Mouth outlet passageway communicates, and valve inner is equipped with transition air flue and auxiliary port, and transition air flue is divided into two-way, outer to be connected to all the way
Ring fire hole and outer shroud nozzle outlet passageway, another way is being connected to outer shroud fire hole and interior ring fire groove, auxiliary port and interior ring spray
Mouth outlet passageway is connected to；Spool in a state of nature under, outer shroud fire hole is blocked with transition air flue and auxiliary port simultaneously, spool
Aperture and the small duct of inner ring are blocked with inner ring nozzle outlet passageway；When spool turns to first angle from reset condition, outside
Ring fire hole is blocked with transition air flue and auxiliary port simultaneously, and spool aperture is directly connected to inner ring nozzle outlet passageway；In spool
During first angle turns to second angle, the overlapping area of outer shroud fire hole and transition air flue can be made to change outside realization
Ring fire hole gas output changes, while interior ring fire groove communicates always with inner ring nozzle outlet passageway；In valve core rotation to
When two angles, outer shroud fire hole is blocked with transition air flue, meanwhile, outer shroud fire hole is communicated with auxiliary port, the small duct of inner ring and inner ring
Nozzle outlet passageway communicates；During spool turns to third angle from second angle, outer shroud fire hole still with transition air flue
It blocks, the overlapping area of the small duct of inner ring and inner ring nozzle outlet passageway, which changes, realizes inner ring nozzle outlet passageway gas output
It changes.
It is further improved, above-mentioned auxiliary port is arranged in the top of interior ring spray mouth outlet passageway, auxiliary port and interior ring spray
It is connected to by valve port between mouth outlet passageway, adjusting screw, the lower end of adjusting screw is vertically equipped on the side wall of auxiliary port
Periphery has the taper surface coordinated with valve port.The design so that the interior ring fire size under most small fire state is adjustable, when adjusting
Adjusting screw is rotated, by the change of the spacing between taper surface and valve port, realizes the adjusting of interior ring fire size.
It further improves, pore passageway is equipped in above-mentioned adjusting screw, adjusting screw is run through in the outlet end of pore passageway
Bottom surface, the input end of pore passageway runs through the peripheral wall of adjusting screw.After adjusting screw is tightened in this way, the taper of adjusting screw
Face is completely attached to valve port, and valve port is closed, and at this moment combustion gas can only enter via pore passageway in inner ring nozzle outlet passageway, at this moment
Interior ring fire under most small fire state is minimum.It adjusts more humane.
This gas valve compared with existing gas valve, the advantage of the invention is that：
1, when spool turns to first angle from reset condition, outer shroud fire hole is hindered with transition air flue and auxiliary port simultaneously
Disconnected, spool aperture is directly connected to inner ring nozzle outlet passageway, this ensures that inner ring generates fire prior to outer shroud when lighting a fire beginning
Flame, similarly, when inner and outer ring has flame, in valve rod closing process, outer ring fire extinguishes prior to interior ring fire, this ensures that gas-cooker
Has the safety used.
2, during spool turns to second angle from first angle, the faying surface of outer shroud fire hole and transition air flue can be made
Product, which changes, realizes that outer shroud fire hole gas output changes, while interior ring fire groove and inner ring nozzle outlet passageway phase always
It is logical；In valve core rotation to second angle, outer shroud fire hole is blocked with transition air flue, meanwhile, outer shroud fire hole is communicated with auxiliary port,
The small duct of inner ring is communicated with inner ring nozzle outlet passageway；This gas valve change conventional gas valve intake method, combustion gas first via
By being allocated again after the transformable outer shroud fire hole of the rotation gas output of spool, be separately dispensed into outer shroud nozzle outlet passageway and
Inner ring nozzle outlet passageway, as long as therefore changed by the tolerance of outer shroud fire hole, outer shroud nozzle outlet passageway and inner ring nozzle
The gas output of outlet passageway changes synchronous, final to realize outer ring fire variation synchronous with interior ring fire, using the gas cooker of the valve
It is particularly suitable for small fire fried egg or booth cake, and in most small fire state, combustion gas is via outer shroud fire hole, auxiliary port and interior ring spray
Mouth outlet passageway is connected to, it is ensured that small fire is not gone out.
3, during spool turns to third angle from second angle, outer shroud fire hole is still blocked with transition air flue, is led to
The overlapping area for crossing the small duct of inner ring and inner ring nozzle outlet passageway changes and realizes inner ring nozzle outlet passageway gas output hair
Changing may be implemented under outer ring fire closed state, and interior ring flame becomes big fire by small fire, then by the function of big fire just small fire,
The adjusting of interior ring flame is more conducive to Baoshang.
Description of the drawings
Fig. 1 is the dimensional structure diagram one of spool embodiment of the present invention；
Fig. 2 is the dimensional structure diagram two of spool embodiment of the present invention.
Fig. 3 is the dimensional structure diagram one of gas valve embodiment of the present invention；
Fig. 4 is the dimensional structure diagram two of gas valve embodiment of the present invention；
Fig. 5 is the echelon sectional view of gas valve embodiment of the present invention (spool is in a state of nature)；
Fig. 6 be gas valve embodiment of the present invention the sectional view along inner ring nozzle outlet passageway axis direction (spool is in
Reset condition)；
Fig. 7 is the sectional view (valve core rotation along inner ring nozzle outlet passageway axis direction of gas valve embodiment of the present invention
To first angle state)；
Fig. 8 is that (spool is in big fire state, valve for the sectional view of transition air flue axial direction of gas valve embodiment of the present invention
Core turns between first angle and second angle)；
Fig. 9 be gas valve embodiment of the present invention the sectional view along inner ring nozzle outlet passageway axis direction (spool is in
Big fire state, valve core rotation is between first angle and second angle)；
Figure 10 be gas valve embodiment of the present invention transition air flue axial direction sectional view (spool be in fire tuning centre shape
State, valve core rotation is between first angle and second angle)；
Figure 11 be gas valve embodiment of the present invention the sectional view along inner ring nozzle outlet passageway axis direction (spool is in
Fire tuning intermediate state, valve core rotation is between first angle and second angle)；
Figure 12 is the sectional view (valve core rotation to second angle of the transition air flue axial direction of gas valve embodiment of the present invention
State)；
Figure 13 is the sectional view (spool to the along inner ring nozzle outlet passageway axis direction of gas valve embodiment of the present invention
Two angle states)；
Figure 14 is that the small duct of inner ring and the overlapping area of inner ring nozzle outlet passageway 13 are sent out in gas valve embodiment of the present invention
The principle schematic for changing (spool is turned to from second angle during third angle).
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
It is a preferred embodiment of fuel gas valve core of the present invention as shown in Fig. 1~2.
A kind of fuel gas valve core, including spool 2,2 lower part of spool are equipped with opening down venting cavity 4, are provided on 4 side wall of venting cavity
Pass through the transformable outer shroud fire hole of the rotation gas output of spool 23；Outer shroud fire hole 3 includes the big fire hole being directly connected to venting cavity 4
31, and it is arranged on 3 periphery wall of spool and is in the air slot 32 of arcuation, opening portion 32 and the big fire hole of 32 initiating terminal of air slot
31 connections.Air slot 32 is gradually obliquely installed upwards along the periphery wall of spool 2.Traditional packet can also be used in certain outer shroud fire hole 3
Include multiple fire hole portions that circumferentially interval is arranged and pore size differs.
The periphery wall of spool 2 is equipped with the arc-shaped interior ring fire groove 5 blocked with venting cavity 4 and is communicated with venting cavity 4
The small duct 7 of inner ring and spool aperture 8, the small duct 7 of inner ring be located between outer shroud fire hole 3 and interior ring fire groove 5, spool aperture 8
Interval is set to 5 outside of interior ring fire groove.Interior ring fire groove 5 runs through the center of circle of spool aperture 8 along the central axes in radian direction.
It is a preferred embodiment of gas valve of the present invention as shown in Fig. 3~14.
A kind of gas valve with aforementioned fuel gas valve core, including it is internal with inlet channel 11, outer shroud nozzle outlet passageway
12 and inner ring nozzle outlet passageway 13 valve body 1, valve body 1 is made of valve seat and bottom cover, and revolvable spool 2 is equipped in valve body 1,
Lower part in spool 2 is equipped with opening down venting cavity 4, and spool 2 is driven by valve rod 9 to be rotated, the connection between spool 2 and valve rod 9
Structure is the prior art.
It is provided on 4 side wall of venting cavity through the transformable outer shroud fire hole of the rotation gas output of spool 23；3 outlet of outer shroud fire hole
The principle for measuring variation is identical with existing gas valve, and the overlapping area of outer shroud fire hole 3 and transition air flue 14, which changes, realizes outer shroud
3 gas output of fire hole changes.
In the present embodiment, outer shroud fire hole 3 includes the big fire hole 31 being directly connected to venting cavity 4, and is arranged in 3 periphery of spool
On wall and in the air slot 32 of arcuation, the opening portion 321 of 32 initiating terminal of air slot is connected to big fire hole 31.Air slot 32 is along valve
The periphery wall of core 2 is gradually obliquely installed upwards.In the state that big fire hole 31 is connected with following 14 faces of transition air flue, ventilatory capacity
Maximum is changed with following 14 overlapping areas of transition air flue by air slot 32 in adjustment process and realizes that outer shroud fire hole 3 goes out
Tolerance changes, in the state that transition air flue 14 and auxiliary port 15 block big fire hole 31 simultaneously, ventilatory capacity zero.
Traditional fire holes for including multiple circumferentially interval settings and pore size differs can also be used in certain outer shroud fire hole 3
Portion.
The periphery wall of spool 2 is equipped with the arc-shaped interior ring fire groove 5 blocked with venting cavity 4 and is communicated with venting cavity 4
The small duct 7 of inner ring and spool aperture 8, the small duct 7 of inner ring be located between outer shroud fire hole 3 and interior ring fire groove 5, spool aperture 8
Positioned at 5 outside of interior ring fire groove；The small duct 7 of interior ring fire groove 5, inner ring and spool aperture 8 to inner ring nozzle outlet passageway
13 communicate, and valve body 1 is internally provided with transition air flue 14 and auxiliary port 15, and transition air flue 14 divides for two-way, outer to be connected to all the way
Ring fire hole 3 and outer shroud nozzle outlet passageway 12, another way to be connected to outer shroud fire hole 3 and interior ring fire groove 5, auxiliary port 15 and
Inner ring nozzle outlet passageway 13 is connected to.
As shown in Figure 5,6, spool 2 in a state of nature under, outer shroud fire hole 3 simultaneously with transition air flue 14 and auxiliary port
15 block, and the small duct 7 of inner ring and spool aperture 8 are blocked with inner ring nozzle outlet passageway 13.
As shown in fig. 7, when spool 2 turns to first angle from reset condition, first angle is 35 °, and outer shroud fire hole 3 is same
When blocked with transition air flue 14 and auxiliary port 15, spool aperture 8 is directly connected to inner ring nozzle outlet passageway 13.
As shown in Fig. 8~11, during spool 2 turns to second angle from first angle, second angle is 190 °.Energy
So that the overlapping area of outer shroud fire hole 3 and transition air flue 14 is changed and realize that 3 gas output of outer shroud fire hole changes, while inner ring
Fiery groove 5 communicates always with inner ring nozzle outlet passageway 13.
As shown in Figure 12,13, when spool 2 turns to second angle, outer shroud fire hole 3 is blocked with transition air flue 14, meanwhile,
Outer shroud fire hole 3 is communicated with auxiliary port 15, and the small duct of inner ring 7 is communicated with inner ring nozzle outlet passageway 13.
As shown in figure 14, during spool 2 turns to third angle from second angle, third angle is 230 °.Outer shroud
Fire hole 3 is still blocked with transition air flue 14, and the overlapping area of the small duct of inner ring 7 and inner ring nozzle outlet passageway 13 changes reality
Existing 13 gas output of inner ring nozzle outlet passageway changes.
Auxiliary port 15 is arranged in the top of interior ring spray mouth outlet passageway 13, auxiliary port 15 and inner ring nozzle outlet passageway
It is connected to by valve port 16 between 13, is vertically equipped with adjusting screw 6 on the side wall of auxiliary port 15, outside the lower end of adjusting screw 6
Week has the taper surface 61 coordinated with the valve port 16.Pore passageway 62, the outlet end of pore passageway 62 are equipped in adjusting screw 6
Through the bottom surface of adjusting screw 6, the input end of pore passageway 62 runs through the peripheral wall of adjusting screw 6.This structure makes in most small fire
Interior ring fire size under state is adjustable, and when adjusting rotates adjusting screw 6, passes through changing for the spacing between taper surface 61 and valve port
Become, realizes the adjusting of interior ring fire size.
The operation principle and process of this gas valve is as follows：
Reset condition：Outer shroud fire hole 3 is staggered with transition air flue 14 and auxiliary port 15 completely simultaneously so that combustion gas cannot lead to
Outer shroud nozzle outlet passageway 12 and inner ring nozzle outlet passageway 13, while the small duct 7 of inner ring and valve are entered after crossing outer shroud fire hole 3
Core aperture 8 is blocked with inner ring nozzle outlet passageway 13, therefore combustion gas cannot cannot be ignited by gas valve, gas-cooker.Such as Fig. 1
Shown in~4.
When rotational valve core 2 turns to first angle from reset condition when igniting, outer shroud fire hole 3 still simultaneously with transition air flue
14 and auxiliary port 15 block, at this point, spool aperture 8 is first directly connected to inner ring nozzle outlet passageway 13.This is ensured that in point
When fire starts, inner ring generates flame prior to outer shroud, similarly, when inner and outer ring has flame, when spool 2 is rotated toward the fiery direction in pass,
Outer ring fire extinguishes prior to interior ring fire, this ensures that the safety that gas cooker uses.
During spool 2 turns to second angle from first angle, outer shroud fire hole 3 can be made overlapping with transition air flue 14
Area, which changes, realizes that 3 gas output of outer shroud fire hole changes, while interior ring fire groove 5 begins with inner ring nozzle outlet passageway 13
Last phase is logical；When spool 2 turns to second angle, outer shroud fire hole is blocked with transition air flue 14, meanwhile, outer shroud fire hole 3 and auxiliary
Air flue communicates, and the small duct of inner ring 7 is communicated with inner ring nozzle outlet passageway 14；This gas valve changes the air inlet side of conventional gas valve
Formula, combustion gas are allocated again after first passing through the transformable outer shroud fire hole of rotation gas output of spool 2, are separately dispensed into outer shroud nozzle
Outlet passageway 12 and inner ring nozzle outlet passageway 13, as long as therefore changed by the tolerance of outer shroud fire hole 3, outer shroud nozzle outlet
With the gas output of inner ring nozzle outlet passageway 13 by synchronous variation, final realization outer ring fire is synchronous with interior ring fire to be changed in channel 12,
It is particularly suitable for small fire fried egg or booth cake using the gas cooker of the valve, and in most small fire state, combustion gas is via outer ring fire
Hole, auxiliary port are connected to inner ring nozzle outlet passageway, it is ensured that small fire is not gone out.
During spool 2 turns to third angle from second angle, outer shroud fire hole 3 is still blocked with transition air flue 14,
It is changed by the overlapping area in the small duct 7 of inner ring and inner ring nozzle outlet passageway 14 and realizes that inner ring nozzle outlet passageway 14 goes out
Tolerance changes, and may be implemented under outer ring fire closed state, interior ring flame becomes big fire by small fire, then by big fire just small fire
The adjusting of function, interior ring flame is more conducive to Baoshang.
This gas valve changes the intake method of conventional gas valve, and combustion gas is first variable via the rotation gas output by spool 2
It is allocated again after the outer shroud fire hole 3 of change, is separately dispensed into outer shroud nozzle outlet passageway 12 and inner ring nozzle outlet passageway 13, therefore
As long as being changed by the tolerance of outer shroud fire hole 3, the outlet of outer shroud nozzle outlet passageway 12 and inner ring nozzle outlet passageway 13
Amount changes synchronous, final to realize outer ring fire variation synchronous with the intensity of a fire of interior ring fire.
Although the preferred embodiment of the present invention described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.Appoint made by all within the spirits and principles of the present invention
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of fuel gas valve core, including spool (2), spool (2) lower part is equipped with opening down venting cavity (4), venting cavity (4) side wall
On be provided with the transformable outer shroud fire hole (3) of rotation gas output by spool (2)；It is characterized in that：The periphery of the spool (2)
Wall is equipped with the arc-shaped interior ring fire groove (5) blocked with venting cavity (4) and the small duct of inner ring communicated with venting cavity (4)
(7) it is located between outer shroud fire hole (3) and interior ring fire groove (5) with spool aperture (8), the small duct of inner ring (7), spool aperture (8)
Interval is set on the outside of interior ring fire groove (5).
2. fuel gas valve core according to claim 1, it is characterised in that：The outer shroud fire hole (3) includes directly and venting cavity
(4) the big fire hole (31) being connected to, and it is arranged on spool (2) periphery wall and is in the air slot (32) of arcuation, the air slot (32)
The opening portion (321) of initiating terminal is connected to big fire hole (31).
3. fuel gas valve core according to claim 2, it is characterised in that：Periphery wall of the air slot (32) along spool (2)
Gradually it is obliquely installed upwards.
4. a kind of gas valve using the fuel gas valve core as described in claims 1 to 3 is any, including it is internal with inlet channel
(11), the valve body (1) of outer shroud nozzle outlet passageway (12) and inner ring nozzle outlet passageway (13)；It is characterized in that：The spool
(2) it is revolvable be set to valve body (1) in, the interior ring fire groove (5), the small duct of inner ring (7) and spool aperture (8) to it is interior
Ring spray mouth outlet passageway (13) communicates, and valve body (1) is internally provided with transition air flue (14) and auxiliary port (15), transition air flue (14)
It is divided into two-way, all the way to be connected to outer shroud fire hole (3) and outer shroud nozzle outlet passageway (12), another way is being connected to outer shroud fire hole
(3) it is connected to inner ring nozzle outlet passageway (13) with interior ring fire groove (5), the auxiliary port (15)；
Spool (2) in a state of nature under, outer shroud fire hole (3) while being blocked with transition air flue (14) and auxiliary port (15),
The small duct of inner ring (7) and spool aperture (8) are blocked with inner ring nozzle outlet passageway (13)；
When spool (2) turns to first angle from reset condition, outer shroud fire hole (3) and meanwhile with transition air flue (14) and auxiliary gas
Road (15) blocks, and spool aperture (8) is directly connected to inner ring nozzle outlet passageway (13)；
During spool (2) turns to second angle from first angle, the weight of outer shroud fire hole (3) and transition air flue (14) can be made
Folded area, which changes, realizes that outer shroud fire hole (3) gas output changes, while interior ring fire groove (5) and inner ring nozzle outlet are logical
Road (13) communicates always；
When spool (2) turns to second angle, outer shroud fire hole (3) is blocked with transition air flue (14), meanwhile, outer shroud fire hole (3)
It is communicated with auxiliary port (15), the small duct of inner ring (7) is communicated with inner ring nozzle outlet passageway (13)；
During spool (2) turns to third angle from second angle, outer shroud fire hole (3) is still hindered with transition air flue (14)
Disconnected, the overlapping area of the small duct of inner ring (7) and inner ring nozzle outlet passageway (13), which changes, realizes inner ring nozzle outlet passageway
(13) gas output changes.
5. gas valve according to claim 4, it is characterised in that：The auxiliary port (15) is arranged in interior ring spray mouth outlet
The top in channel (13) is connected between auxiliary port (15) and inner ring nozzle outlet passageway (13) by valve port (16), and gas is assisted
Adjusting screw (6) is vertically equipped on the side wall in road (15), the lower end periphery of adjusting screw (6) has and the valve port (16)
The taper surface (61) of cooperation.
6. gas valve according to claim 5, it is characterised in that：Pore passageway (62) is equipped in the adjusting screw (6),
The bottom surface of adjusting screw (6) is run through in the outlet end of pore passageway (62), and the input end of pore passageway (62) runs through adjusting screw (6)
Peripheral wall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634127.8A CN106015648B (en) | 2016-08-03 | 2016-08-03 | A kind of fuel gas valve core and the gas valve with the fuel gas valve core |
| PCT/CN2016/000566 WO2017156650A1 (en) | 2016-03-15 | 2016-10-14 | Gas valve capable of achieving synchronous change in both outer-ring fire and inner-ring fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634127.8A CN106015648B (en) | 2016-08-03 | 2016-08-03 | A kind of fuel gas valve core and the gas valve with the fuel gas valve core |
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| CN106015648A CN106015648A (en) | 2016-10-12 |
| CN106015648B true CN106015648B (en) | 2018-08-24 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017156650A1 (en) * | 2016-03-15 | 2017-09-21 | 李雪波 | Gas valve capable of achieving synchronous change in both outer-ring fire and inner-ring fire |
| CN107061798B (en) * | 2017-03-31 | 2023-05-30 | 广东美的厨房电器制造有限公司 | Gas valve of gas stove and gas stove |
| CN107300026B (en) * | 2017-08-08 | 2023-06-23 | 广东美的厨房电器制造有限公司 | Gas valve |
| CN107477215B (en) * | 2017-09-28 | 2023-07-28 | 广东美的厨房电器制造有限公司 | Gas valve |
| CN109931421B (en) * | 2017-12-15 | 2023-11-17 | 宁波方太厨具有限公司 | gas plug valve |
| CN108679266B (en) * | 2018-07-30 | 2024-03-01 | 宁波来特燃气具有限公司 | Gas valve capable of controlling two fire rows and having long open fire function |
| CN109084076A (en) * | 2018-09-20 | 2018-12-25 | 中山古奇诺智能厨房有限公司 | A kind of gas stove air valve of multiplicity control fire |
| CN111322431B (en) * | 2018-12-17 | 2021-06-15 | 宁波方太厨具有限公司 | Gas regulating valve with internal and external circular flow |
| CN110043679B (en) * | 2019-04-22 | 2020-02-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Cock valve core, gas valve and gas appliance |
| CN112283429B (en) * | 2020-10-27 | 2022-04-19 | 东南大学 | Micro-fluidic stepless flow regulator |
| CN114483991B (en) * | 2022-02-21 | 2023-09-19 | 广东聚德阀门科技有限公司 | Gas valve for gas conversion |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060226390A1 (en) * | 2005-04-12 | 2006-10-12 | Hsu-Nan Liu | Adjusting lever for a gas flow controller |
| CN102052485B (en) * | 2010-12-31 | 2013-01-30 | 浙江新涛电子机械股份有限公司 | Steplessly adjustable electric control gas valve |
| CN202203446U (en) * | 2011-08-18 | 2012-04-25 | 中山华帝燃具股份有限公司 | Linear adjustable plug valve |
| CN105715818B (en) * | 2016-03-15 | 2018-02-02 | 宁波来特燃气具有限公司 | Outer ring fire and the gas valve that interior ring fire synchronously changes can be achieved |
| CN105650306B (en) * | 2016-03-31 | 2018-02-02 | 宁波来特燃气具有限公司 | The upper slotting gas valve that interior ring fire and outer ring fire are adjusted in synchronism |
| CN205896276U (en) * | 2016-08-03 | 2017-01-18 | 宁波来特燃气具有限公司 | Fire gas valve element and have this gas valve that fires gas valve element |
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