CN206708538U - A kind of fuel gas valve core - Google Patents
A kind of fuel gas valve core Download PDFInfo
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- CN206708538U CN206708538U CN201720262115.7U CN201720262115U CN206708538U CN 206708538 U CN206708538 U CN 206708538U CN 201720262115 U CN201720262115 U CN 201720262115U CN 206708538 U CN206708538 U CN 206708538U
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- ring fire
- valve element
- interior ring
- venting cavity
- groove
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Abstract
It the utility model is related to a kind of fuel gas valve core, including valve element (1), valve element (1) bottom is provided with downward opening venting cavity (2), and the transformable outer shroud fire hole (3) of rotation gas output by valve element (1) is provided with venting cavity (2) side wall；It is characterized in that：The periphery wall of the valve element (1) is provided with the curved interior ring fire groove (5) blocked with venting cavity (2), the side of the bottom surface (51) of interior ring fire groove (5) is provided with the inner ring fire hole (4) of connection venting cavity (2) and interior ring fire groove (5), the bottom surface (51) of interior ring fire groove (5) is stepped, and stair-stepping direction is gradually to be raised from the direction of inner ring fire hole (4) ring fire groove (5) end inwardly.This valve element can realize that the flame size regulation of interior ring fire and outer ring fire is independently carried out, so only outer ring fire passage and interior ring fire passage need to be set in valve inner, without additionally setting transition air flue, in summary, this valve element is inside and outside realization while the synchronous adjustment of ring fire size, valve body structure can be simplified again, beneficial to the manufacture of valve body.
Description
Technical field
It the utility model is related to a kind of structure improved fuel gas valve core for gas valve.
Background technology
Gas valve in various gas kitchen ranges, it is the manual operating valve for controlling source of the gas supply.Household gas utensils typically have
There are interior ring fire and outer ring fire, common binary channels gas valve generally comprises 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 provided with revolvable valve element, and valve element top has spring cavity, and valve element bottom is set
There is venting cavity, the valve rod that can drive Spool rotating is equipped with valve body, the lower end of valve rod, which has been held, makes valve rod keep moving up and taking off
From the spring that trend is connected with valve element, the spring is located in the spring cavity on valve element, be provided with the venting cavity side wall of valve element to
Connect the serial outer shroud fire hole not of uniform size of inlet channel and outer shroud nozzle outlet passageway, and to connect inlet channel and
The curved 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 are connected use with nozzle, it is interior
Ring spray mouth outlet passageway finally communicates with the internal ring portion in kitchen range, outer shroud nozzle outlet passageway finally with the outer portion phase in kitchen range
Logical, user typically can first press knob and rotate counterclockwise, i.e., by the knob that is arranged on guidance panel and operating valve lever
It can be rotated counterclockwise with movable valve plug, big fire hole and arc-shaped slot on valve element is connected with the inlet channel in valve body,
Source of the gas 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 connect 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
Regulation, and in the state of 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 all the time, 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 stand cake, because the only outer ring fire intensity of a fire diminishes, the firepower of interior ring fire is still larger, and this can to decoct
The center section of egg or thin pancake is easily burnt, influences the quality of food.
In addition, existing kitchen range, in the case of only interior ring fire burning, the interior ring fire intensity of a fire can not be adjusted, and this is unfavorable for
Baoshang.For ensure the security that uses, it is necessary to the problem considered be how to ensure that outer shroud flame first extinguishes after, interior ring fire
Flame can still be kept, and it is burnt out the combustion gas of residual, the above is all those skilled in the art's technical problem in the urgent need to address.
Such as the Chinese utility model patent of a Patent No. ZL201620199290.1 (notification number CN205423908U)
《Outer ring fire and the gas valve that interior ring fire synchronously changes can be achieved》Such a fuel gas valve core is disclosed, valve element bottom is provided with opening court
Lower venting cavity, is provided with the transformable outer shroud fire hole of rotation gas output by valve element in venting cavity side wall, on the periphery wall of valve element
Provided with the curved interior ring fire groove blocked with venting cavity.Interior ring fire groove communicates with inner ring nozzle outlet passageway, in valve body
Portion is provided with transition air flue and auxiliary port, and transition air flue is divided into two-way, all the way connecting outer shroud fire hole and outer shroud nozzle outlet
Passage, to connect outer shroud fire hole and interior ring fire groove, auxiliary port connects another way with inner ring nozzle outlet passageway；In valve element
Under in a state of nature, outer shroud fire hole blocks with transition air flue and auxiliary port simultaneously；During Spool rotating adjusts the intensity of a fire
The overlapping area of outer shroud fire hole and transition air flue can be made to change and realize that outer shroud fire hole gas output changes, while interior ring fire
Groove communicates all the time with inner ring nozzle outlet passageway；In Spool rotating to most small fire state, outer shroud fire hole blocks with transition air flue,
Outer shroud fire hole communicates with auxiliary port simultaneously.
This valve element with can realize that inside and outside ring fire is adjusted in synchronism function very well, but its needs set in valve body it is various logical
Road is excessive, is unfavorable for the processing of valve body.
Utility model content
First technical problem to be solved in the utility model is to provide a kind of energy for above-mentioned state of the art
Outer ring fire and the fuel gas valve core that interior ring fire is adjusted in synchronism are realized, using the gas valve of the fuel gas valve core, its valve body structure can design
It is more simple, simplify valve body internal structure, beneficial to the manufacture of valve body.
Technical scheme is used by the utility model solves above-mentioned first technical problem：A kind of fuel gas valve core, including
Valve element, valve element bottom are provided with downward opening venting cavity, the rotation gas output alterable by valve element are provided with venting cavity side wall
Outer shroud fire hole；It is characterized in that：The periphery wall of the valve element is provided with the curved interior ring fire groove blocked with venting cavity,
The side of the bottom surface of interior ring fire groove is provided with the inner ring fire hole of connection venting cavity and interior ring fire groove, and the bottom surface of interior ring fire groove is in
Stepped, stair-stepping direction is gradually to be raised from the direction of inner ring fire hole ring fire notch end inwardly.
Further improve, above-mentioned outer shroud fire hole includes the big fire hole directly connected with venting cavity, and is arranged on valve element periphery
On wall and in the air slot of arcuation, the opening portion of the air slot initiating terminal connects with big fire hole.So when valve element is in regulation tolerance
Rotary course in, air slot is connected by big fire hole with venting cavity all the time, does not have neutral gear, Spool rotating process in whole process
In, the regulation that degree realizes tolerance is overlapped with air flue in valve body by air slot, using the air slot of arc shape so that work as valve element
Regulation tolerance rotary course in changes in flow rate (process from big fire to small fire) be linearly change (look like one
Straight line), therefore stabilization is adjusted during large and small fire regulation, it is not easy to stop working.
Further optimization, the bottom surface of above-mentioned air slot is stepped, and stair-stepping direction is last from big fire hole towards air slot
Gradually raise in the direction at end.Air slot is spiral step trough, and during valve core rotation, with the change of angle, valve body leads to
Changes in flow rate when crossing air slot diverse location can become apparent from, and flame change becomes apparent.
It is preferred that above-mentioned big fire hole is slotted eye, the length direction of the slotted eye and valve element it is axially in parallel.Such valve
It the rotation of core, can become apparent from the change that both overlapping areas occur, and then become apparent flame change.
Further improve, the periphery wall of above-mentioned valve element is provided with the valve element aperture communicated with venting cavity, valve element hole separation
On the outside of interior ring fire groove.The setting of valve element aperture ensures that inner ring produces flame prior to outer shroud when lighting a fire beginning, similarly,
When inner and outer ring has flame, in valve rod closing process, outer ring fire extinguishes prior to interior ring fire, and this ensures that what gas kitchen ranges used
Security.The fuel gas valve core be realize the outer ring fire of gas valve and interior ring fire be adjusted in synchronism, open fire during, inner ring is prior to outer shroud
Flame is produced, during closing fire, inner ring is later than the offer of outer shroud knock down the flame may.
This gas valve compared with existing gas valve, the utility model has the advantage of：Because the bottom surface of interior ring fire groove is in
Stepped, stair-stepping direction is gradually to be raised from the direction of inner ring fire hole ring fire notch end inwardly, therefore the rotation of valve element can
The flame size of ring fire is directly adjusted in realization, and therefore, this valve element can realize interior ring fire and the flame size regulation point of outer ring fire
It is not independent to carry out, so only outer ring fire passage and interior ring fire passage need to be set in valve inner, transition is set without extra
Air flue, in summary, this valve element while the synchronous adjustment of ring fire size, can simplify valve body structure, be beneficial to again inside and outside realization
The manufacture of valve body.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram one of the utility model valve element embodiment；
Fig. 2 is the dimensional structure diagram two of the utility model valve element embodiment.
Fig. 3 is the dimensional structure diagram one of the utility model gas valve embodiment；
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 3, it is a preferred embodiment of the utility model fuel gas valve core.
A kind of fuel gas valve core, including valve element 1, the bottom of valve element 1 are provided with downward opening venting cavity 2, opened in the side wall of venting cavity 2
There is the transformable outer shroud fire hole 3 of rotation gas output by valve element 1；Outer shroud fire hole 3 includes the big fire directly connected with venting cavity 2
Hole 31, and be arranged on the periphery wall of valve element 1 and in the air slot 32 of arcuation, opening portion and the big fire hole of the initiating terminal of air slot 32
31 connections.The bottom surface 321 of air slot 32 is stepped, and stair-stepping direction is the direction from big fire hole 31 towards the end of air slot 32
Gradually raise.Big fire hole 31 is slotted eye, the length direction of the slotted eye and valve element it is axially in parallel.
The periphery wall of valve element 1 is provided with the curved interior ring fire groove 5 blocked with venting cavity 2, the bottom of interior ring fire groove 5
The side in face 51 is provided with the inner ring fire hole 4 of connection venting cavity 2 and interior ring fire groove 5, and the bottom surface 51 of interior ring fire groove 5 is in ladder
Shape, stair-stepping direction are gradually to be raised from the direction of the end of ring fire groove 5 inwardly of inner ring fire hole 4.On the periphery wall of valve element 1
Provided with the valve element aperture 6 communicated with venting cavity 2, the interval of valve element aperture 6 is located at the interior outside of ring fire groove 5.
Because the bottom surface 51 of interior ring fire groove 5 is stepped, stair-stepping direction is that ring fire groove is last inwardly from inner ring fire hole
The direction at end is gradually raised, therefore the flame size that interior ring fire can be achieved in the rotation of valve element 1 is directly adjusted, and therefore, this valve element can be real
The regulation of the flame size of ring fire and outer ring fire is independently carried out in existing, so only need to valve inner set outer ring fire passage with
Interior ring fire passage, transition air flue, in summary, the same step of this valve element ring fire size inside and outside realization are set without extra
While section, valve body structure can be simplified again, beneficial to the manufacture of valve body.
Although preferred embodiment of the present utility model described in detail above, it is to be clearly understood that for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of fuel gas valve core, including valve element (1), valve element (1) bottom is provided with downward opening venting cavity (2), venting cavity (2) side
The transformable outer shroud fire hole (3) of rotation gas output by valve element (1) is provided with wall；It is characterized in that：Outside the valve element (1)
Perisporium be provided with venting cavity (2) block curved interior ring fire groove (5), the one of the bottom surface (51) of interior ring fire groove (5)
Side is provided with the inner ring fire hole (4) of connection venting cavity (2) and interior ring fire groove (5), and the bottom surface (51) of interior ring fire groove (5) is in ladder
Shape, stair-stepping direction are gradually to be raised from the direction of inner ring fire hole (4) ring fire groove (5) end inwardly.
2. fuel gas valve core according to claim 1, it is characterised in that：The outer shroud fire hole (3) is included directly and venting cavity
(2) the big fire hole (31) of connection, and be arranged on valve element (1) periphery wall and in the air slot (32) of arcuation, the air slot (32)
The opening portion of initiating terminal connects with big fire hole (31).
3. fuel gas valve core according to claim 2, it is characterised in that：The bottom surface (321) of the air slot (32) is in ladder
Shape, stair-stepping direction are gradually to be raised from big fire hole (31) towards the direction of air slot (32) end.
4. fuel gas valve core according to claim 3, it is characterised in that：The big fire hole (31) is slotted eye, the ellipse
The length direction in shape hole and valve element it is axially in parallel.
5. fuel gas valve core according to claim 1, it is characterised in that：The periphery wall of the valve element (1) is provided with and ventilation
The valve element aperture (6) that chamber (2) communicates, valve element aperture (6) interval is on the outside of interior ring fire groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262115.7U CN206708538U (en) | 2017-03-17 | 2017-03-17 | A kind of fuel gas valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262115.7U CN206708538U (en) | 2017-03-17 | 2017-03-17 | A kind of fuel gas valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708538U true CN206708538U (en) | 2017-12-05 |
Family
ID=60470755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720262115.7U Active CN206708538U (en) | 2017-03-17 | 2017-03-17 | A kind of fuel gas valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442095A (en) * | 2019-01-11 | 2019-03-08 | 李静师 | A kind of ultra-thin spool |
| CN110242771A (en) * | 2019-07-05 | 2019-09-17 | 宁波来特燃气具有限公司 | The structure improved thermostat valve with ever-burning flame function |
-
2017
- 2017-03-17 CN CN201720262115.7U patent/CN206708538U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442095A (en) * | 2019-01-11 | 2019-03-08 | 李静师 | A kind of ultra-thin spool |
| CN110242771A (en) * | 2019-07-05 | 2019-09-17 | 宁波来特燃气具有限公司 | The structure improved thermostat valve with ever-burning flame function |
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