CN212252617U - Air door structure, ejector assembly and gas stove - Google Patents
Air door structure, ejector assembly and gas stove Download PDFInfo
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- CN212252617U CN212252617U CN202020225953.9U CN202020225953U CN212252617U CN 212252617 U CN212252617 U CN 212252617U CN 202020225953 U CN202020225953 U CN 202020225953U CN 212252617 U CN212252617 U CN 212252617U
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- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 244000171022 Peltophorum pterocarpum Species 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an air door structure, an ejector assembly and a gas stove, wherein the air door structure comprises an air door plate, an air adjusting plate and a fastener, a nozzle passes through a central perforation of the air adjusting plate and a perforation of the air door plate to enter an air inlet of the ejector, and gas is introduced into the ejector; because a plurality of air vents and a plurality of plate holes are circumferentially arranged, the uniformity of primary air injected by the nozzle in the circumferential direction can be ensured, the mixing uniformity of gas and air in the injector is improved, and the combustion stability of the cooker is finally improved.
Description
Technical Field
The utility model relates to a gas equipment technical field especially relates to an air door structure, ejector subassembly and gas-cooker.
Background
The gas stove is an indispensable kitchen utensil in daily life, and along with the continuous improvement of people's living standard, people's requirement to the gas stove is higher and higher.
The air flap in the ejector is an important part of the gas stove and is used for controlling the introduction amount of air. However, the existing air flap structure has small air quantity introduced into the ejector, so that the mixing of gas and air in the ejector is not uniform enough, the mixing effect is poor, the gas combustion working condition is poor, and the indexes of CO and NOx are high.
Disclosure of Invention
The utility model discloses to the inhomogeneous problem of gas and air mixture in the ejector among the prior art, provide an air door structure, improved the homogeneity of mixing of gas and air in the ejector.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a damper structure comprising:
the air door plate is provided with a through hole and a plurality of plate holes distributed around the through hole in the circumferential direction, and each plate hole is communicated with the air inlet of the ejector;
the air adjusting plate is arranged in a stacking manner with the air door plate and comprises a body and a guide part connected with the body, and the guide part is provided with an arc-shaped guide hole; the body is provided with a central through hole and a plurality of vent holes distributed circumferentially around the central through hole;
the fastener penetrates through the arc-shaped guide hole and is connected with the ejector; when the arc-shaped guide holes rotate around the central through hole, the overlapping area of the plurality of vent holes and the plurality of plate holes is changed.
Furthermore, the plurality of plate holes are uniformly distributed around the circumference of the through hole, and the plurality of vent holes are uniformly distributed around the circumference of the central through hole.
Still further, each vent hole and each plate hole are fan-shaped.
Furthermore, the body of the air adjusting plate is a circular plate, and the circle center of the circular plate is overlapped with that of the central through hole.
Still further, a toggle handle is arranged on the guide part.
Further, the fastener is a nut.
Based on the design of above-mentioned air door structure, the utility model also provides an ejector subassembly, include:
an eductor having an air inlet and an air outlet;
the plate hole of the air door plate of the air door structure is communicated with the air inlet of the ejector;
a nozzle holder having a mounting hole;
and one end of the nozzle is assembled in the mounting hole, and the other end of the nozzle penetrates through a central through hole of the air adjusting plate of the air door structure and a through hole of the air door plate to enter the air inlet of the ejector.
Furthermore, a drainage part is formed on the inner peripheral wall of the ejector.
Still further, the drainage part comprises a plurality of fins which are uniformly distributed along the inner peripheral wall of the ejector.
Based on the design of above-mentioned ejector subassembly, the utility model discloses still provide a gas-cooker, include the ejector subassembly.
Compared with the prior art, the utility model discloses an advantage is with positive effect: in the air door structure, the ejector assembly and the gas stove, the nozzle penetrates through the central perforation of the air adjusting plate and the perforation of the air door plate to enter the air inlet of the ejector, and gas is introduced into the ejector; the air is introduced into the overlapped parts of the plurality of air holes and the plurality of plate holes, and the plurality of air holes and the plurality of plate holes are circumferentially distributed, so that the uniformity of primary air injected by the nozzle in the circumferential direction can be ensured, the mixing uniformity of gas and air in the injector is improved, the mixing effect of the gas and the air is improved, and the combustion stability of the cooker is finally improved.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of an embodiment of an injector assembly according to the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the damper configuration of FIG. 1;
FIG. 4 is a schematic structural view of the nozzle carrier of FIG. 1;
fig. 5 is a cross-sectional view of fig. 4.
Reference numerals:
1. an eductor assembly;
1-1, an ejector; 1-1-4, a drainage part;
1-2, a wind door plate; 1-2-1, plate holes;
1-5, a wind adjusting plate; 1-5-1, vent holes; 1-5-2, arc guide holes; 1-5-3, stirring a handle;
1-8, fasteners;
1-11, a nozzle;
1-14, a nozzle holder; 1-14-1, a connector; 1-14-3 and mounting holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" in the description of the present invention are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection, such as a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment provides an air door structure, which mainly comprises an air door plate 1-2, an air adjusting plate 1-5, a fastener 1-8 and the like, and is shown in fig. 1 to 5.
The air door plate 1-2 is provided with a through hole and a plurality of plate holes 1-2-1 distributed around the through hole in the circumferential direction, each plate hole 1-2-1 is communicated with an air inlet of the ejector 1-1, the air door plate 1-2 is fixed with the ejector 1-1-through a screw, and the through hole is used for penetrating the nozzles 1-11.
The air adjusting plate 1-5 and the air door plate 1-2 are arranged in a stacked mode, the air adjusting plate 1-5 comprises a body and a guide part fixed with the body, and the guide part is provided with an arc-shaped guide hole 1-5-2; the body is provided with a central through hole and a plurality of vent holes 1-5-1 distributed circumferentially around the central through hole, and the central through hole is used for penetrating through the nozzles 1-11.
The fastening piece 1-8 penetrates through the arc-shaped guide hole 1-5-2 to be connected with the ejector 1-1, and when the fastening piece 1-8 fastens the arc-shaped guide hole 1-5-2 and the ejector 1-1, the whole air adjusting plate 1-5 cannot rotate; when the fastening piece 1-8 is unscrewed, the air adjusting plate 1-5, the guide part and the arc-shaped guide hole 1-5-2 can rotate around the central through hole, when the fastening piece rotates, the overlapping area of the plurality of vent holes 1-5-1 and the plurality of plate holes 1-2-1 is changed, and the amount of air introduced into the ejector through the vent holes 1-5-1 and the plate holes 1-2-1 is changed.
A channel formed by the intersection of the plurality of plate holes 1-2-1 and the plurality of vent holes 1-5-1 (namely the overlapped part of the plurality of vent holes 1-5-1 and the plurality of plate holes 1-2-1) is an inlet of primary air, when the arc-shaped guide hole 1-5-2 rotates around the central through hole, the relative position between the arc-shaped guide hole 1-5-2 and the fastening piece 1-8 changes, and the fastening piece 1-8 can also be seen to move from one end of the arc-shaped guide hole 1-5-2 to the other end, and the overlapped area of the plurality of vent holes 1-5-1 and the plurality of plate holes 1-2-1 changes, so that the area of the channel for the primary air to enter the ejector is changed, and the introduction amount of the primary air is further changed.
The circle center of the arc-shaped guide hole 1-5-2 is superposed with the circle center of the central through hole. Because the position of the fastener 1-8 is fixed, when the guide part rotates, the radian of the arc-shaped guide hole 1-5-2 is the maximum adjusting angle of the guide part. When the guide part rotates to the optimal position, the flame combustion condition of the stove is optimal, working conditions such as flame leaving, yellow flame and tempering do not exist, then the arc-shaped guide hole 1-5-2 is fastened with the ejector 1-1 through the fastening piece 1-8, the whole air adjusting plate 1-5 cannot rotate any more, the air adjusting plate 1-5 is prevented from rotating in the transportation process, and meanwhile, non-professional persons can be prevented from adjusting the air adjusting plate 1-5 privately.
In the air door structure of the embodiment, the nozzle penetrates through the central through hole of the air adjusting plate 1-5 and the through hole of the air door plate 1-2 to enter the air inlet of the ejector 1-1, so that fuel gas is introduced into the ejector; air is introduced into the overlapped part of the plurality of vent holes 1-5-1 and the plurality of plate holes 1-2-1, and the plurality of vent holes 1-5-1 and the plurality of plate holes 1-2-1 are circumferentially arranged, so that the uniformity of primary air injected by the nozzle in the circumferential direction can be ensured, the mixing uniformity of gas and air in the injector 1-1 is improved, the mixing effect of the gas and the air is improved, and the combustion stability of the cooker is finally improved.
In this embodiment, the fasteners 1-8 are nuts. The nut penetrates through the arc-shaped guide hole 1-5-2 to be connected with the ejector 1-1, and when the nut is screwed down, the air adjusting plate 1-5 is fastened with the ejector 1-1; when the nut is unscrewed, the air adjusting plates 1-5 can rotate. Therefore, the fasteners 1-8 adopt nuts, and the structure is simple, the cost is low, and the use is convenient.
In the embodiment, the plurality of plate holes 1-2-1 are uniformly distributed around the through hole in a circumferential manner, and the plurality of vent holes 1-5-1 are uniformly distributed around the central through hole in a circumferential manner, so that the uniformity of primary air introduced into the ejector in the circumferential direction is further improved.
The shape and the number of the plate holes 1-2-1 are equal to those of the vent holes 1-5-1, so that the overlapping area of the plate holes 1-2-1 and the vent holes 1-5-1 can be adjusted conveniently. When the air adjusting plate 1-5 rotates to a first set angle, the plate hole 1-2-1 and the vent hole 1-5-1 are completely overlapped, and the air introduction amount is maximum at the moment; when the air adjusting plate 1-5 rotates to a second set angle, the plate hole 1-2-1 and the vent hole 1-5-1 are not overlapped, and the air introduction amount is minimum; when the air adjusting plate 1-5 rotates to a position between the first set angle and the second set angle, the plate hole 1-2-1 is partially overlapped with the vent hole 1-5-1.
In this embodiment, the number of the plate holes 1-2-1 and the number of the vent holes 1-5-1 are 6, 6 plate holes 1-2-1 are uniformly distributed around the circumference of the through hole, and 6 vent holes 1-5-1 are uniformly distributed around the circumference of the central through hole. By designing the plate holes 1-2-1 and the vent holes 1-5-1 in the number, the introduction amount of primary air can be ensured, and the influence of overlarge number design on the strength of the air door plate and the air adjusting plate can be avoided.
Each vent hole 1-5-1 is fan-shaped, and the area of the vent hole can be designed to be as large as possible on the air adjusting plate 1-5 with limited size. Each plate hole 1-2-1 is fan-shaped, and the area of the plate hole can be designed to be as large as possible on the air door plate 1-2 with limited size.
The uniformity of primary air injected by the nozzle in the circumferential direction can be ensured by 1-5-1 of 6 uniformly distributed fan-shaped vent holes and 1-2-1 of 6 uniformly distributed fan-shaped plate holes.
The body of the air adjusting plate 1-5 is a circular plate, and the circle center of the air adjusting plate coincides with that of the central through hole, so that the air adjusting plate 1-5 is small in structure, small in occupied space and convenient to rotate.
In order to facilitate the rotation of the air adjusting plate 1-5, a toggle handle 1-5-3 is further arranged on the guide part, so that the rotation angle of the guide part can be conveniently adjusted.
Based on the design of the air door structure, the embodiment also provides an ejector assembly 1, which mainly comprises an ejector 1-1, the air door structure, a nozzle seat 1-14, a nozzle 1-11 and the like, and is shown in fig. 1 to 5.
The ejector 1-1 is provided with an air inlet and an air outlet, and the air outlet is communicated with the furnace end.
The plate hole 1-2-1 of the air door plate 1-2 of the air door structure is communicated with the air inlet of the ejector 1-1.
The nozzle seat 1-14 is provided with a connector 1-14-1 and a mounting hole 1-14-3, the connector 1-14-1 is used for connecting a gas pipeline, and the mounting hole 1-14-3 is used for mounting a nozzle 1-11; the connector 1-14-1 is communicated with the mounting hole 1-14-3.
One end of the nozzle 1-11 is assembled in the mounting hole 1-14-3, and the other end of the nozzle 1-11 penetrates through a central through hole of the air adjusting plate 1-5 of the air door structure and a through hole of the air door plate 1-2 to enter the air inlet of the ejector 1-1 and be communicated with the air inlet of the ejector 1-1.
The gas in the gas pipeline enters the mounting holes 1-14-3 through the pipe connectors 1-14-1 and then is sprayed into the ejector 1-1 through the nozzles 1-11, the gas sprayed out of the nozzles 1-11 is introduced into primary air through the air door structure and enters the ejector 1-1 to be mixed, and the gas and the air are fully mixed in the ejector.
Through design in the ejector subassembly the air door structure, improved the gas in the ejector subassembly and the mixing uniformity of air.
In this embodiment, a flow guide portion 1-1-4 is formed on the inner peripheral wall of the ejector 1-1. The flow guide parts 1-1-4 form flow guide for primary air entering the ejector, so that the uniformity of primary air distribution in the circumferential direction is ensured, and the mixing uniformity of gas and air is improved. When the stove burns, the heat of the stove head, the gas distribution plate, the fire cover and the like is conducted to the ejector component 1, the ejector 1-1 has a certain temperature (about 50-150 ℃), and at the moment, the drainage part 1-1-4 can transmit part of the heat on the ejector 1-1 to primary air, so that the temperature of the primary air is improved, and the combustion heat efficiency of the stove is further improved.
In this embodiment, the flow guiding part 1-1-4 comprises a plurality of fins which are uniformly distributed along the inner peripheral wall of the ejector 1-1, so that heat is uniformly and rapidly transferred to primary air.
As a preferred design scheme of this embodiment, the fin extends to the gas outlet of ejector from the air inlet of ejector 1-1, leads to the gas outlet with gas and air from the air inlet of ejector, has prolonged the water conservancy diversion distance, not only further improves the mixing homogeneity of gas and air, can transmit the heat of ejector as much as possible to the gas mixture moreover.
As another preferred design scheme of this embodiment, the inner peripheral wall at the air inlet of the ejector 1-1 is provided with the flow guiding portion 1-1-4, that is, the flow guiding portion 1-1-4 is only arranged at the air inlet of the ejector 1-1, and flow guiding is formed for primary air at the air inlet, so that uniformity of primary air distribution of the ejector in the circumferential direction is ensured, the structure is simple, and design of the ejector is simplified.
In this embodiment, the fins are helical, which can further improve the flow guiding effect.
Based on the design of above-mentioned ejector subassembly 1, this embodiment has still provided a gas-cooker, mainly includes fire lid, gas distribution dish, furnace end ejector subassembly etc. The mixed gas of the fuel gas and the air in the ejector assembly enters the fire cover through the furnace end and the gas distribution disc.
The ejector component is designed in the gas stove, so that the combustion stability of the gas stove is improved.
The specific structure of the damper structure and the ejector assembly is described in detail in the above embodiments and in the drawings of the specification, and will not be described herein again. The ejector assembly with the air door structure and the gas stove can achieve the same technical effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A damper structure, comprising:
the air door plate is provided with a through hole and a plurality of plate holes distributed around the through hole in the circumferential direction, and each plate hole is communicated with the air inlet of the ejector;
the air adjusting plate is arranged in a stacking manner with the air door plate and comprises a body and a guide part connected with the body, and the guide part is provided with an arc-shaped guide hole; the body is provided with a central through hole and a plurality of vent holes distributed circumferentially around the central through hole;
the fastener penetrates through the arc-shaped guide hole and is connected with the ejector; when the arc-shaped guide holes rotate around the central through hole, the overlapping area of the plurality of vent holes and the plurality of plate holes is changed.
2. The damper structure of claim 1, wherein the plurality of plate apertures are uniformly distributed around a perforation circumference and the plurality of vent apertures are uniformly distributed around a central perforation circumference.
3. The damper structure of claim 1, wherein each of the vent holes and plate holes is fan-shaped.
4. The damper structure of claim 1, wherein the body of the damper plate is a circular plate having a center coincident with the center of the central aperture.
5. The damper structure of claim 1, further comprising a toggle handle on the guide portion.
6. The damper structure of claim 1, wherein the fastener is a nut.
7. An injector assembly, comprising:
an eductor having an air inlet and an air outlet;
the damper structure of any one of claims 1 to 6, the plate aperture of the damper plate of the damper structure being in communication with the air inlet of the eductor;
a nozzle holder having a mounting hole;
and one end of the nozzle is assembled in the mounting hole, and the other end of the nozzle penetrates through a central through hole of the air adjusting plate of the air door structure and a through hole of the air door plate to enter the air inlet of the ejector.
8. The eductor assembly of claim 7 wherein the eductor has a drain formed on an inner peripheral wall thereof.
9. The eductor assembly of claim 8 wherein the flow diverter includes a plurality of fins uniformly distributed along the inner peripheral wall of the eductor.
10. A gas burner including an injector assembly according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225953.9U CN212252617U (en) | 2020-02-28 | 2020-02-28 | Air door structure, ejector assembly and gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225953.9U CN212252617U (en) | 2020-02-28 | 2020-02-28 | Air door structure, ejector assembly and gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212252617U true CN212252617U (en) | 2020-12-29 |
Family
ID=73990676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020225953.9U Active CN212252617U (en) | 2020-02-28 | 2020-02-28 | Air door structure, ejector assembly and gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212252617U (en) |
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2020
- 2020-02-28 CN CN202020225953.9U patent/CN212252617U/en active Active
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