CN206496022U - Structure improved fuel gas valve core - Google Patents
Structure improved fuel gas valve core Download PDFInfo
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- CN206496022U CN206496022U CN201621193236.2U CN201621193236U CN206496022U CN 206496022 U CN206496022 U CN 206496022U CN 201621193236 U CN201621193236 U CN 201621193236U CN 206496022 U CN206496022 U CN 206496022U
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- valve element
- fuel gas
- valve core
- fire hole
- air slot
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Abstract
The utility model is related to a kind of structure improved fuel gas valve core, including valve element (1), valve element (1) bottom is provided with the transformable outer shroud fire hole (3) of rotation gas output being provided with opening down venting cavity (2), venting cavity (2) side wall by valve element (1)；It is characterized in that：Valve element (1) periphery wall, which is provided with, can store the oil resistance groove (4) of lubricating oil.Because being provided with oil resistance groove, the function of oil resistance groove is that in valve element in relative valve body rotation process, lubricating oil can be preferably run into oil resistance groove, prevents lubricating oil from entering back into venthole or outgassing groove, prevents from blocking influence valve body flow.
Description
Technical field
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, 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
Have to be equipped with venting cavity, valve body and can drive the valve rod of Spool rotating, 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, is provided with and is used on the venting cavity side wall of valve element
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.Ensure both in rotation because valve element and valve body mating surface must add oil
During it is not easily damaged, have a lubricant effect, original valve element oil in rotating through easily runs air drain or stomata on valve element perisporium
It is interior, the flow of influence valve body is blocked, blocking can excessively cause no flow.
In use, the inner ring nozzle outlet passageway of valve body and outer shroud nozzle outlet passageway end are connected with nozzle and used, 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
It is logical, user can by the knob that is arranged on guidance panel operating valve lever, typically first pressing knob and rotate counterclockwise, i.e.,
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 road is connected 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, the intensity of a fire for realizing outer ring fire is communicated with outer shroud nozzle outlet passageway using the serial outer shroud fire hole of different pore size
Regulation, and be adjusted in outer ring fire in the state of zero, interior ring fire, which remains unchanged, 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 are 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, which remains unchanged, to be kept, the combustion gas for making it burn out residual, and the above is all those skilled in the art's technical problem in the urgent need to address.
Utility model content
First technical problem to be solved in the utility model is that providing one kind has for above-mentioned state of the art
Effect prevents lubricating oil from blocking the structure improved fuel gas valve core of venthole or outgassing groove, it is ensured that valve element normal work.
The utility model solve technical scheme that above-mentioned first technical problem used for：A kind of structure improved combustion gas
Valve element, including valve element, valve element bottom are provided with the rotation gas output being provided with opening down venting cavity, venting cavity side wall by valve element
Transformable outer shroud fire hole；It is characterized in that：The valve element periphery wall, which is provided with, can store the oil resistance groove of lubricating oil.
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 is connected 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 adjust stable during large and small fire regulation, it is difficult to stop working.Because the depth inside air slot is shallower, easily by lubricating oil
Block, therefore the oil resistance groove is set adjacent to air slot, the function of oil resistance groove is in rotary course that oil can run into oil resistance groove
In, effectively prevent lubricating oil from going in air slot.
It is preferred that, periphery wall of the above-mentioned air slot along valve element is gradually inclined upwardly setting.The air slot set-up mode, makes to work as
Valve element is in the trend gradually increased or decreased in the registration of rotation air slot and inlet channel, and the change of tolerance is in gradually slow
The trend of change, it is ensured that the regulation of gas valve is more steady reasonable.
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
The direction at end is gradually stepped up.Air slot is spiral step trough, during valve core rotation, and 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
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 be provided with the curved interior ring fire groove that is blocked with venting cavity and
The small duct of inner ring communicated with venting cavity and valve element aperture, the small duct of inner ring are located between outer shroud fire hole and interior ring fire groove, valve
Core hole separation is on the outside of interior ring fire groove.This fuel gas valve core changes the intake method of conventional gas valve, because of interior ring fire groove
Blocked with venting cavity, therefore combustion gas divides first via being allocated again after the transformable outer shroud fire hole of rotation gas output by valve element
Be not assigned to outer shroud nozzle outlet passageway and inner ring nozzle outlet passageway, as long as therefore changed by the tolerance of outer shroud fire hole,
Synchronous change is finally realized that outer ring fire and interior ring fire are same by the gas output of outer shroud nozzle outlet passageway and inner ring nozzle outlet passageway
Step change；The setting in the small duct of inner ring can realize that under outer ring fire closed mode interior ring flame becomes big fire by small fire, then by big
The function of fiery just small fire；The setting of valve element aperture ensures that inner ring produces flame prior to outer shroud, similarly, inside when lighting a fire beginning
When outer shroud has flame, in valve rod closing process, outer ring fire extinguishes prior to interior ring fire, and this ensures that the safety that gas kitchen ranges are used
Property.The fuel gas valve core be realize gas valve outer ring fire and interior ring fire be adjusted in synchronism, open fire during, inner ring prior to outer shroud produce
Flame, is closed during fire, inner ring is later than outer shroud knock down the flame and provides possible.
This gas valve compared with existing gas valve, the utility model has the advantage of：Because being provided with oil resistance groove, oil resistance groove
Function be that in valve element in relative valve body rotation process, lubricating oil can be preferably run into oil resistance groove, prevent lubricating oil enter again
Enter in venthole or outgassing groove, prevent from blocking influence valve body flow.
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.
It is a preferred embodiment of the utility model fuel gas valve core as shown in Fig. 1~2.
A kind of structure improved fuel gas valve core, including valve element 1, the bottom of valve element 1 are provided with opening down venting cavity 2, venting cavity
The transformable outer shroud fire hole 3 of rotation gas output by valve element 1 is provided with 2 side walls；It is characterized in that：The periphery wall of valve element 1
The oil resistance groove 4 of lubricating oil can be stored by being provided with.
Outer shroud fire hole 3 includes the big fire hole 31 that directly connect with venting cavity 2, and is arranged on the periphery wall of valve element 1 and is in arc
The air slot 32 of shape, the opening portion of the initiating terminal of air slot 32 is connected with big fire hole 31, and the oil resistance groove is set adjacent to air slot.
Big fire hole 31 is slotted eye, the length direction of the slotted eye and valve element it is axially in parallel.Periphery of the air slot 32 along valve element 1
Wall is gradually inclined upwardly setting.The bottom surface 321 of air slot 32 is stepped, and stair-stepping direction is from big fire hole 31 towards air slot
The direction of 32 ends is gradually stepped up.
The periphery wall of valve element 1 is provided with the curved interior ring fire groove 5 with the blocking of venting cavity 2 and communicated with venting cavity 2
The small duct 6 of inner ring and valve element aperture 7, the small duct 6 of inner ring be located between outer shroud fire hole 3 and interior ring fire groove 5, valve element aperture 7
Interval is located at the interior outside of ring fire groove 5.
Because being provided with oil resistance groove 4, the function of oil resistance groove 4 is in valve element 1 in relative valve body rotation process, lubricating oil meeting
It is preferred that running into oil resistance groove, prevent lubricating oil from entering back into venthole or outgassing groove, especially in air slot 32, prevent from blocking shadow
Ring valve body flow.
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 it is of the present utility model spirit and principle
Within any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (6)
1. a kind of structure improved fuel gas valve core, including valve element (1), valve element (1) bottom are provided with opening down venting cavity (2), lead to
The transformable outer shroud fire hole (3) of rotation gas output by valve element (1) is provided with the wall of air cavity (2) side；It is characterized in that：The valve
Core (1) periphery wall, which is provided with, can store the oil resistance groove (4) of lubricating oil.
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 is connected with big fire hole (31), and the oil resistance groove is set adjacent to air slot.
3. fuel gas valve core according to claim 2, it is characterised in that：Periphery wall of the air slot (32) along valve element (1)
Gradually be inclined upwardly setting.
4. fuel gas valve core according to claim 3, it is characterised in that：The bottom surface (321) of the air slot (32) is in ladder
Shape, stair-stepping direction is to be gradually stepped up from big fire hole (31) towards the direction of air slot (32) end.
5. fuel gas valve core according to claim 2, 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.
6. 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
Curved interior ring fire groove (5) and the small duct of inner ring (6) communicated with venting cavity (2) and valve element aperture that chamber (2) is blocked
(7), the small duct of inner ring (6) are located between outer shroud fire hole (3) and interior ring fire groove (5), and valve element aperture (7) interval is located at interior ring fire
On the outside of groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193236.2U CN206496022U (en) | 2016-10-28 | 2016-10-28 | Structure improved fuel gas valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193236.2U CN206496022U (en) | 2016-10-28 | 2016-10-28 | Structure improved fuel gas valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206496022U true CN206496022U (en) | 2017-09-15 |
Family
ID=59799892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621193236.2U Active CN206496022U (en) | 2016-10-28 | 2016-10-28 | Structure improved fuel gas valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206496022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-10-28 CN CN201621193236.2U patent/CN206496022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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