CN217463306U - Gas valve - Google Patents
Gas valve Download PDFInfo
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- CN217463306U CN217463306U CN202220609885.5U CN202220609885U CN217463306U CN 217463306 U CN217463306 U CN 217463306U CN 202220609885 U CN202220609885 U CN 202220609885U CN 217463306 U CN217463306 U CN 217463306U
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Abstract
The application discloses a gas valve, which comprises a valve body, a valve core and a valve rod, wherein a gas inlet channel, a valve core cavity and a gas outlet channel are arranged inside the valve body; the valve core is of a sheet structure and is rotationally arranged in the valve core cavity, the valve core comprises a first layer and a second layer, the first layer is attached to the side wall of the valve core cavity and is provided with a plurality of through holes arranged along the circumferential direction and communicating grooves communicated with the adjacent through holes, the second layer is attached to the first layer, one side of the through holes of the second layer is sealed, and a first air distribution hole corresponding to the air outlet is formed; one end of the valve rod extends into the valve core cavity to be combined with the valve core and is used for driving the valve core to rotate. The utility model provides a case sets up to bilayer structure, and through hole and intercommunication groove have been seted up to the first layer, and the cooperation of second floor forms first gas distribution hole, compares in prior art direct processing gas distribution hole on the individual layer case, has reduced the degree of difficulty of technology.
Description
Technical Field
The utility model relates to a gas valve especially relates to a gas valve convenient to processing distribution hole.
Background
The gas valve is a core component of a gas cooker and comprises a valve body, a valve core and a valve rod, wherein a gas inlet channel, a gas outlet channel and a valve core cavity between the gas inlet channel and the gas outlet channel are arranged inside the valve body and are arranged in the valve core cavity, and one end of the valve rod extends into the valve body and penetrates through the valve core. When gas is needed, the valve rod drives the valve core to rotate so as to adjust the gas flow in the gas outlet channel, and the rotating angle of the valve rod corresponds to different gas flows.
The valve core is provided with a plurality of air distribution holes for adjusting the gas flow, and a communication groove is generally arranged between the air distribution holes, so that the processing difficulty of the air distribution holes is higher for the valve core with a sheet structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gas valve has solved the great problem of the distribution hole processing degree of difficulty of the case of current sheet structure.
A gas valve, comprising:
the valve comprises a valve body, wherein an air inlet channel, a valve core cavity and an air outlet channel are arranged inside the valve body, the air inlet channel and the valve core cavity are intersected to form an air inlet, and the air outlet channel and the valve core cavity are intersected to form an air outlet;
the valve core is of a sheet structure and is rotationally arranged in the valve core cavity, the valve core comprises a first layer and a second layer, the first layer is attached to the side wall of the valve core cavity and is provided with a plurality of through holes arranged along the circumferential direction and communication grooves communicated with the adjacent through holes, the second layer is attached to the first layer, one side of the through holes in part is sealed, and a first air distribution hole corresponding to the air outlet is formed;
and one end of the valve rod extends into the valve core cavity to be combined with the valve core and is used for driving the valve core to rotate.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
Optionally, the first layer and the second layer are respectively provided with a first opening and a second opening for a valve rod to pass through, and the first opening is adapted to the cross section of the valve rod.
Optionally, a first protrusion extending axially along the valve rod is disposed at a middle position of the first layer, the first opening is opened on the first protrusion, and the first protrusion extends into the second opening.
Optionally, the width of the communication groove gradually changes along the rotation direction of the valve core.
Optionally, the communication channel has a closed side and an open side, the open side being closed by the second layer.
Optionally, the valve core is provided with a plurality of second air distribution holes which are arranged along the circumferential direction and mutually independent and penetrate through the valve core, and the aperture of each second air distribution hole gradually changes along the rotation direction of the valve core.
Optionally, the air distribution holes are divided into a plurality of groups according to the distance between the air distribution holes and the valve rod, and the first air distribution holes and the second air distribution holes are in different groups.
Optionally, the valve body includes a valve seat with a valve core cavity and a valve cover for sealing the valve core cavity, the air inlet channel is disposed on the valve cover, and the air outlet channel is disposed on the valve seat.
Optionally, the valve cover has opposite outer and inner sides, the inner side is provided with a plurality of damping grooves arranged around the valve rod, and the valve rod is provided with a poking needle matched with the damping grooves.
Optionally, a first spring for rebounding the valve rod is arranged between the valve rod and the valve core, and a second spring for increasing air tightness is arranged between the valve cover and the valve core.
The valve core of the gas valve is of a double-layer structure, the first layer is provided with the through hole and the communication groove, the second layer is matched with the first air distribution hole, and compared with an air distribution hole directly processed on a single-layer valve core in the prior art, the difficulty of the process is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a gas valve provided herein;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view showing the internal structure of the gas valve in FIG. 1 with the valve cover opened;
FIG. 4 is a schematic view of the valve seat of FIG. 1;
FIG. 5 is a schematic structural view of the valve cover of FIG. 1;
FIG. 6 is a schematic illustration of the valve stem of FIG. 1;
FIG. 7 is a schematic structural view of a valve cartridge according to an embodiment of the present disclosure;
FIG. 8a is a schematic diagram of the structure of the first layer of FIG. 7;
FIG. 8b is a schematic diagram of the second layer of FIG. 7;
fig. 9a to 12c are schematic diagrams illustrating changes in the fitting position of the valve element and the valve seat when the gas valve according to the embodiment of the present disclosure is used.
The reference numerals in the figures are illustrated as follows:
100. a gas valve;
10. a valve body; 11. an air intake passage; 110. an air inlet; 12. a valve core cavity; 13. an air outlet channel; 130. an air outlet; 14. a valve seat; 15. a valve cover; 151. an outer side; 152. an inner side; 153. a damping slot;
20. a valve core; 21. a first air distribution hole; 22. a first layer; 220. a through hole; 221. a communicating groove; 222. a first opening; 223. a first protrusion; 224. a closed side; 225. an open side; 23. a second layer; 232. a second opening; 24. a second air distribution hole; 25. an outer ring set; 26. a middle ring group; 27. an inner ring group;
30. a valve stem; 31. setting a needle;
40. a first spring; 41. a second spring.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 8b, an embodiment of the present application provides a gas valve 100 including a valve body 10, a valve core 20, and a valve stem 30. The valve body 10 is provided with an air inlet channel 11, a valve core cavity 12 and an air outlet channel 13 inside, the air inlet channel 11 intersects with the valve core cavity 12 to form an air inlet 110, and the air outlet channel 13 intersects with the valve core cavity 12 to form an air outlet 130.
The number of the air outlet channels 13 corresponds to that of the air outlets 130, the number of the air outlet channels 13 is 1 or more, the number of the air outlet channels 13 and the number of the air outlets 130 in the figure of the application are 3, and the air outlet channels and the air outlets are respectively connected with an inner ring, a middle ring and an outer ring of the furnace end, wherein the inner ring, the middle ring and the outer ring are set according to the distance from the valve rod 30.
The valve core 20 is a sheet structure and is rotatably installed in the valve core cavity 12, the valve core 20 comprises a first layer 22 and a second layer 23, wherein the first layer 22 is attached to the side wall of the valve core cavity 12 and is provided with a plurality of through holes 220 arranged along the circumferential direction and communication grooves 221 communicated with the adjacent through holes 220, the second layer 23 is attached to the first layer 22, one side of the through holes 220 in the closed part is provided with a first air distribution hole 21 corresponding to the air outlet. The through hole 220 that is not closed is used to introduce gas into the communication groove 221. One end of the valve rod 30 extends into the valve core cavity 12 to be combined with the valve core 20, and is used for driving the valve core 20 to rotate.
The utility model provides a case 20 of gas valve 100 sets up to bilayer structure, and through hole 220 and intercommunication groove 221 have been seted up to first layer 22, and the cooperation of second layer 23 forms first gas distribution hole 21, compares in prior art and directly processes gas distribution hole and intercommunication groove 221 on the case of individual layer, has reduced the degree of difficulty of technology.
As shown in fig. 7 to 8b, the first layer 22 and the second layer 23 are respectively provided with a first opening 222 and a second opening 232 through which the valve rod 30 passes, and the first opening 222 is adapted to the cross section of the valve rod 30 in order to enable the valve cartridge 20 and the valve rod 30 to move synchronously. In consideration of the fact that the valve core 20 may generate unnecessary shaking during rotation, a first protrusion 223 extending in the axial direction of the valve rod 30 is provided at an intermediate position of the first layer 22, the first opening 222 is opened on the first protrusion 223, and the first protrusion 223 extends into the second opening 232.
In one embodiment, in order to adjust the gas flow rate between the first gas distribution hole 21 and the corresponding gas outlet 130, the width of the communication groove 221 is gradually changed along the rotation direction of the valve core 20. The first gas distribution hole 21 corresponding to the gas outlet 130 can be changed by rotating the valve core 20, that is, the gas flow is changed, so that the change of the fire of the burner is completed. As shown in fig. 2, the communication groove 221 has a closed side 224 and an open side 225, and the open side 225 is closed by the second layer 23.
In one embodiment, the valve core 20 is provided with a plurality of second air distribution holes 24 which are arranged along the circumferential direction and mutually independent and penetrate through the valve core 20, and the hole diameter of the second air distribution holes 24 is gradually changed along the rotation direction of the valve core 20. As shown in fig. 7 to 8a, in the present application, the second air distribution hole 24 has 3 different pore diameters, and the larger the pore diameter, the stronger the fire power of the corresponding air outlet 130.
In one embodiment, the air distribution holes are divided into a plurality of groups according to the distance from the valve rod 30, and the first air distribution hole 21 and the second air distribution hole 24 are in different groups. In the present application, the number of the air distribution hole groups corresponds to the number of the air outlets 130, and is 3 groups, namely, the outer ring group 25, the middle ring group 26, and the inner ring group 27.
In one embodiment, the valve body 10 includes a valve seat 14 with a valve core chamber 12 and a valve cover 15 closing the valve core chamber 12, the air inlet channel 11 is disposed on the valve cover 15, and the air outlet channel 13 is disposed on the valve seat 14. The valve cap 15 is provided with an opening at the center, one end of the valve rod 30 extends into the valve cap 15 and is connected with the valve seat 14, and the other end is positioned outside the valve cap 15 and is generally connected with a knob. The valve cover 15 has an outer side 151 and an inner side 152 which are opposite to each other, the inner side 152 is provided with a plurality of damping grooves 153 which are arranged around the valve rod 30, the valve rod 30 is provided with a shifting needle 31 which is matched with the damping grooves 153, when the valve rod 30 is pressed downwards to rotate, the valve rod 30 is separated from the damping grooves 153 and drives the valve core 20 to rotate, after the completion, the valve rod 30 rebounds, and the shifting needle 31 is matched with the damping grooves 153 again for limiting. In order to enable the rebound of the valve stem 30, a first spring 40 is provided between the valve stem 30 and the valve spool 20. Considering that the valve rod 30 can produce unnecessary rocking in the use, the valve cover 15 of this application opens outside 151 axial extension has the hollow round platform of cooperateing with valve rod 30.
In one embodiment, a second spring 41 for increasing air tightness is arranged between the valve cover 15 and the valve core 20, and the second spring 41 can tightly attach the valve core 20 and the valve seat 14, so that the problem of failure in adjusting the gas fire power due to air leakage is prevented.
The gas valve 100 of the present application can adjust 12 kinds of burner gas power, and referring to fig. 9a to 12c, it shows a schematic diagram of the change of the fitting position of the valve element 20 and the valve seat 14 every time the valve element rotates 30 ° counterclockwise. In the present application, the width of the communication groove 221 decreases in the clockwise direction in order, and the specific fire level is as follows: in fig. 9a to 9c, the inner rings are all big fire, while the outer rings are big fire, middle fire and small fire, respectively; fig. 10a to 10c are schematic diagrams illustrating changes in inner ring fire power, and specifically, fig. 10a to 10c are schematic diagrams illustrating an inner ring big fire, a middle fire, and a small fire, respectively; FIGS. 11a to 11c show that the inner ring and the outer ring are both big fire, and the middle ring is big fire, middle fire and small fire, respectively; fig. 12a shows an inner ring big fire and an outer ring big fire, fig. 12b shows an inner ring middle fire and an outer ring middle fire, and fig. 12c shows an inner ring small fire and an outer ring small fire. The gas valve of this application can 360 rotations, can select suitable gas firepower according to actual demand.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.
Claims (10)
1. A gas valve, comprising:
the valve comprises a valve body, wherein an air inlet channel, a valve core cavity and an air outlet channel are arranged inside the valve body, the air inlet channel and the valve core cavity are intersected to form an air inlet, and the air outlet channel and the valve core cavity are intersected to form an air outlet;
the valve core is of a sheet structure and is rotationally arranged in the valve core cavity, the valve core comprises a first layer and a second layer, the first layer is attached to the side wall of the valve core cavity and is provided with a plurality of through holes arranged along the circumferential direction and communication grooves communicated with the adjacent through holes, the second layer is attached to the first layer, one side of the through holes of the second layer is sealed, and a first air distribution hole corresponding to the air outlet is formed;
and one end of the valve rod extends into the valve core cavity to be combined with the valve core and is used for driving the valve core to rotate.
2. A gas valve as claimed in claim 1, wherein the first and second layers are provided with first and second openings, respectively, through which a valve stem passes, the first opening corresponding to the cross-section of the valve stem.
3. A gas valve as claimed in claim 2, wherein a first projection is provided at an intermediate position of the first layer and extends axially along the valve stem, the first opening being provided in the first projection, and the first projection projecting into the second opening.
4. A gas valve as claimed in claim 1, wherein the width of the communication groove is gradually varied in the direction of rotation of the valve core.
5. A gas valve as claimed in claim 1, wherein the communication groove has a closed side and an open side, the open side being closed by the second layer.
6. The gas valve as claimed in claim 1, wherein the valve core is provided with a plurality of second air distribution holes which are arranged along the circumferential direction and mutually independent and penetrate through the valve core, and the hole diameter of the second air distribution holes is gradually changed along the rotation direction of the valve core.
7. A gas valve as claimed in claim 6, characterised in that the gas distribution holes are divided into groups according to their distance from the valve stem, the first and second holes being in different groups.
8. The gas valve according to claim 1, wherein the valve body comprises a valve seat with a valve core cavity and a valve cover for closing the valve core cavity, the gas inlet channel is arranged on the valve cover, and the gas outlet channel is arranged on the valve seat.
9. A gas valve as claimed in claim 8, wherein the valve cap has opposite outer and inner sides, the inner side being provided with a plurality of damping grooves arranged around a valve stem, the valve stem being provided with a dial pin cooperating with the damping grooves.
10. A gas valve as claimed in claim 8, wherein a first spring is provided between the valve stem and the valve core for rebound of the valve stem, and a second spring is provided between the valve cover and the valve core for increasing gas tightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220609885.5U CN217463306U (en) | 2022-03-18 | 2022-03-18 | Gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220609885.5U CN217463306U (en) | 2022-03-18 | 2022-03-18 | Gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217463306U true CN217463306U (en) | 2022-09-20 |
Family
ID=83266060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220609885.5U Active CN217463306U (en) | 2022-03-18 | 2022-03-18 | Gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217463306U (en) |
-
2022
- 2022-03-18 CN CN202220609885.5U patent/CN217463306U/en active Active
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