CN212657761U - Air door structure and gas stove - Google Patents
Air door structure and gas stove Download PDFInfo
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- CN212657761U CN212657761U CN202020948596.9U CN202020948596U CN212657761U CN 212657761 U CN212657761 U CN 212657761U CN 202020948596 U CN202020948596 U CN 202020948596U CN 212657761 U CN212657761 U CN 212657761U
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- nozzle
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- 238000002347 injection Methods 0.000 claims abstract description 72
- 239000007924 injection Substances 0.000 claims abstract description 72
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 244000171022 Peltophorum pterocarpum Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006253 efflorescence Methods 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
- 206010037844 rash Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an air door structure and a gas stove, wherein the air door structure comprises an ejector, an air door plate, a nozzle and a nozzle seat; the air door plate comprises an air door plate body, a through hole is formed in the air door plate body, a plurality of fins protruding towards the direction of the injection pipe are formed on the end face of the air door plate body, and a primary air inlet is formed between every two adjacent fins; the fins are contacted with the inner peripheral wall of the injection pipe when extending into the injection pipe; one end of the nozzle penetrates through the through hole of the air door plate and enters the air inlet of the injection pipe; the air door plate moves along the length direction of the nozzle. The utility model discloses an air door structure and gas-cooker, air door board remove along the length direction of nozzle, have changed the fin and have got into and draw the intraductal length of penetrating, have changed the primary air introduction volume, have realized the infinitely variable control of primary air introduction volume, have increased control range, have reduced the operation degree of difficulty, and actual operation experience is good.
Description
Technical Field
The utility model relates to a gas equipment technical field especially relates to an air door structure and gas-cooker.
Background
The primary air injection quantity of the existing gas stove determines the combustion working condition of the flame of the stove, the primary air is too much, the flame is too short, the contact with the bottom of a pot is less, and the heat efficiency is low; too little primary air, insufficient flame combustion, flame elongation, efflorescence, yellow flame and the like, and the excessive CO is serious. The construction of the damper for regulating the primary air injection is therefore of great importance.
The existing gas stove generally adopts a form of air flap adjustment to adjust primary air injection quantity. The air door piece is collocated with the air door fixed plate, realizes the regulation of air door size through the arch and the sunken of surface, and outer ring fire and interior ring fire are general all adjustable 11 gears. Referring to fig. 1, the existing air door adjusting structure comprises an air door sheet 5, an air door sheet hole 5-1, an adjusting handle 5-2, an air door sheet protrusion 5-3, an air door fixing plate 6, an air door fixing plate hole 6-1, an air door plate pit 6-2 and an ejector channel 7, wherein after the components are installed, the air door sheet protrusion 5-3 is matched with the air door plate pit 6-2 by shifting the adjusting handle 5-2 left and right, and different gears, namely the overlapping amount of the air door sheet hole 5-1 and the air door fixing plate hole 6-1, can be realized. The stepless regulation can not be realized by the regulation mode, the effect of accurately regulating primary air can not be achieved, the regulation range is too narrow, and the actual operation difficulty is large.
Disclosure of Invention
The utility model provides an air door structure has increased control range, has reduced the operation degree of difficulty.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a damper structure comprising:
the ejector comprises an ejector pipe, wherein the ejector pipe is provided with an air inlet and an air outlet;
the air door plate comprises an air door plate body, a plurality of fins protruding towards the injection pipe are formed on the end face, close to the injection pipe, of the air door plate body, and a primary air inlet is formed between every two adjacent fins; the fins are contacted with the inner peripheral wall of the injection pipe when extending into the injection pipe;
one end of the nozzle penetrates through the through hole of the air door plate and enters the air inlet of the injection pipe; the air door plate moves along the length direction of the nozzle;
and a nozzle holder having a fitting hole, the other end of the nozzle being fixed in the fitting hole.
Furthermore, an annular sealing boss is formed on the periphery of the upper fin of the air door plate body; when the fins completely extend into the injection pipe, the annular sealing boss is abutted against the end face of the air inlet of the injection pipe.
Still further, a knob screw is formed on an outer circumferential surface of the damper panel body.
Further, the wall of the through hole is provided with an internal thread, one end of the nozzle is provided with an external thread, and the nozzle is in threaded connection with the through hole.
Furthermore, the central axis of the injection pipe is superposed with the central axis of the air door panel body; the fins are circumferentially distributed around the central axis of the wind door plate body at equal intervals.
Furthermore, the fins are triangular, and one side of each triangular fin is formed on the air door plate body.
Still further, the fins are isosceles triangles, and the bottom edges of the isosceles triangle fins are formed on the air door plate body.
Furthermore, the fins are right-angled triangles, and one right-angle side of each right-angled triangle fin is formed on the air door plate body.
Still further, the fin is an arc fin.
Based on the design of above-mentioned air door structure, the utility model also provides a gas-cooker, include the air door structure.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the air door structure and the gas stove of the utility model have the advantages that the plurality of fins are designed on the end surface of the air door plate body, and a primary air inlet is formed between the adjacent fins; the air door plate moves along the length direction of the nozzle, the length of the fin entering the injection pipe is changed, and the shielding area of the inner peripheral wall of the injection pipe to the primary air inlet is changed, so that the primary air introduction amount is changed, the stepless regulation of the primary air introduction amount is realized, the regulation range is enlarged, the operation difficulty is reduced, and the actual operation experience is good.
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 view of a prior art damper construction;
fig. 2 is a schematic structural diagram of an embodiment of the damper structure of the present invention;
FIG. 3 is a schematic view of the fin of FIG. 2 just removed from the ejector tube;
FIG. 4 is an exploded view of FIG. 2;
FIG. 5 is a schematic structural view of one embodiment of the damper panel of FIG. 4;
FIG. 6 is a schematic structural view of yet another embodiment of the damper panel of FIG. 4;
FIG. 7 is a schematic structural view of another embodiment of the damper panel of FIG. 4;
FIG. 8 is a schematic structural view of an embodiment of the nozzle carrier of FIG. 4.
Reference numerals:
1. a wind door panel; 1-1, a wind door plate body; 1-2, perforating; 1-3, fins; 1-4, annular sealing bosses; 1-5, knob thread; 1-6, arc edge; 1-7, primary air inlet;
2. an ejector; 2-1, an injection pipe; 2-2, an air inlet; 2-3, the end face of an air inlet;
3. a nozzle; 3-1, external threads; 3-2, external threads;
4. a nozzle holder; 4-1, assembling 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, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 ejector 2, an air door plate 1, a nozzle 3, a nozzle seat 4 and the like, and is shown in fig. 2 to 8.
The ejector 2 comprises an ejector pipe 2-1, the ejector pipe 2-1 is provided with an air inlet 2-2 and an air outlet, and the air outlet is communicated with the furnace end.
The air door plate 1 comprises an air door plate body 1-1, a through hole 1-2 is formed in the air door plate body 1-1, a plurality of fins 1-3 protruding towards the direction of the injection pipe 2-1 are formed on the end face (opposite to the end face of the injection pipe 2-1) of the air door plate body 1-1 close to the injection pipe 2-1, the fins 1-3 are circumferentially arranged around the central axis of the injection pipe 2-1, and a primary air inlet 1-7 is formed between every two adjacent fins 1-3 and used for introducing air; when the plurality of fins 1-3 extend into the injection pipe 2-1, the fins 1-3 are in contact with the inner peripheral wall of the injection pipe 2-1. In this embodiment, the air door panel body 1-1 is a circular plate, and the center of the circle coincides with the center of the through hole 1-2; the central axis of the air door panel body 1-1 is superposed with the central axis of the injection pipe 2-1.
The nozzle holder 4 and the ejector 2 are fixed through screws. The nozzle holder 4 has a fitting hole 4-1 for fixing the nozzle 3. One end of the nozzle 3 passes through the through hole 1-2 of the air door plate and enters the air inlet 2-2 of the injection pipe 2-1; the other end of the nozzle 3 is fixed in the assembly hole 4-1. The damper plate 1 is moved in the length direction of the nozzle 3, such as rotary feed or the like.
The gas in the gas pipeline enters the nozzle 3 through the nozzle seat 4 and then is sprayed into the injection pipe 2-1 through the nozzle 3, the gas sprayed out of the nozzle 3 introduces air into the injection pipe 2-1 through the primary air inlets 1-7, and the gas and the air are fully mixed in the injection pipe 2-1.
As the air door plate 1 moves along the length direction of the nozzle 3 (namely moves towards the direction close to or far away from the injection pipe), the length of the fins 1-3 entering the injection pipe 2-1 is changed, the contact area of the fins 1-3 and the inner peripheral wall of the injection pipe 2-1 is changed, the shielding area of the inner peripheral wall of the injection pipe 2-1 to the primary air inlet 1-7 is changed, the area of a primary air introducing channel is changed, and the primary air introducing amount of the injection pipe 2-1 is changed.
When the air door plate 1 moves towards the direction close to the injection pipe along the length direction of the nozzle 3, the length of the fins 1-3 entering the injection pipe 2-1 is increased, the contact area of the fins 1-3 and the inner peripheral wall of the injection pipe 2-1 is increased, the shielding area of the inner peripheral wall of the injection pipe 2-1 on the primary air inlet 1-7 is increased, the area of a primary air introducing channel is reduced, and the primary air introducing amount of the injection pipe 2-1 is reduced.
When the air door plate 1 moves in the direction far away from the injection pipe along the length direction of the nozzle 3, the length of the fins 1-3 entering the injection pipe 2-1 is reduced, the contact area of the fins 1-3 and the inner peripheral wall of the injection pipe 2-1 is reduced, the shielding area of the inner peripheral wall of the injection pipe 2-1 on the primary air inlet 1-7 is reduced, the area of a primary air introducing passage is increased, and the primary air introducing amount of the injection pipe 2-1 is increased.
In the air door structure of the embodiment, a plurality of fins 1-3 are designed on the end surface of an air door plate body 1-1, and primary air inlets 1-7 are formed between adjacent fins 1-3; the air door plate 1 moves along the length direction of the nozzle 3, the length of the fins 1-3 entering the injection pipe 2-1 is changed, and the shielding area of the inner peripheral wall of the injection pipe 2-1 to the primary air inlet 1-7 is changed, so that the primary air introduction amount is changed, the stepless regulation of the primary air introduction amount is realized, the regulation range is enlarged, the operation difficulty is reduced, and the actual operation experience is good; moreover, the air door structure of the embodiment is simple in structure, convenient to realize and low in cost.
An annular sealing boss 1-4 is formed on the periphery of the fin 1-3 on the air door plate body 1-1; when all the fins 1-3 completely extend into the injection pipe 2-1, the annular sealing boss 1-4 abuts against the air inlet end face 2-3 of the injection pipe 2-1, and the annular sealing boss 1-4 is tightly attached to the air inlet end face 2-3 to prevent the injection pipe 2-1 from air leakage.
When the air door panel 1 moves towards the direction far away from the injection pipe 2-1, and the fins 1-3 are just completely separated from the injection pipe 2-1, the primary air inlets 1-7 formed by the adjacent fins are completely exposed (as shown in fig. 3, the fins of the air door panel below the air door panel in fig. 3 are just separated from the injection pipe, and the fins of the air door panel above the air door panel in fig. 3 partially extend into the injection pipe), and the total area of the primary air inlets is maximum. Of course, if the air door plate is far away from the ejector pipe, the area can be infinite, but the area has no practical significance.
When the air door panel 1 moves towards the direction close to the injection pipe 2-1, and the fins 1-3 completely enter the injection pipe 2-1, the primary air inlets 1-7 formed by the adjacent fins are completely shielded (as shown in fig. 2, the fins of the air door panel at the lower part in fig. 2 completely enter the injection pipe, and the fins of the air door panel at the upper part in fig. 2 partially extend into the injection pipe), and the total area of the primary air inlets is minimum and is 0.
In the embodiment, the hole wall of the through hole 1-2 is provided with an internal thread, one end of the nozzle 3 is provided with an external thread 3-1, the external thread 3-1 is matched with the internal thread, and the nozzle 3 is in threaded connection with the through hole 1-2, so that the rotation of the air door plate 1 on the nozzle 3 is realized, and further, the rotary feeding of the air door plate 1 is realized. Realize the rotatory feed of wind door plant 1 through screw-thread fit, not only realized the stable connection of wind door plant 1 with nozzle 3, be convenient for moreover wind door plant 1 and rotate. That is, the damper plate 1 is rotationally fed in the length direction of the nozzle 3 so as to be close to or far from the injection pipe.
The hole wall of the assembly hole 4-1 of the nozzle holder 4 is provided with internal threads, the other end of the nozzle 3 is provided with external threads 3-2, and the other end of the nozzle 3 is in threaded connection with the assembly hole 4-1, so that the nozzle 3 and the nozzle holder 4 are fixed, and the method is shown in figure 8.
In order to facilitate the rotation of the air door panel 1, knob threads 1-5 are formed on the outer circumferential surface of the air door panel body 1-1. When the primary air quantity entering the injection pipe 2-1 needs to be adjusted, the air door plate 1 is rotated through the knob threads 1-5, so that time and labor are saved.
The central axis of the injection pipe 2-1 is superposed with the central axis of the air door panel body 1-1; the fins 1-3 are equal in size and shape, and the fins 1-3 are circumferentially arranged around the central axis of the air door plate body 1-1 at equal intervals, so that primary air entering the air inlet 2-2 of the injection pipe 2-1 is uniformly distributed in the circumferential direction, and the mixing uniformity of fuel gas and the primary air in the injection pipe 2-1 is improved.
In this embodiment, the fins 1-3 are triangular, one side of the triangular fin is used as a base side, and the base side is formed on the damper panel body 1-1. The bottom edge of the fin 1-3 is flush with the table surface of the annular sealing boss 1-4. Namely, the height of the bottom edge of the fin 1-3 is equal to that of the annular sealing boss 1-4, and when the fin 1-3 just extends into the ejector tube completely, the annular sealing boss 1-4 is just abutted against the end face 2-3 of the air inlet. The maximum value of the total area of the primary air inlets formed by the adjacent fins is the circumference x (the distance between the annular sealing boss and the end face of the air inlet of the injection pipe) of the air inlet of the injection pipe/2. The fins are designed into a triangle, so that a primary air inlet is formed between the adjacent fins conveniently, the adjusting range of the air door plate is increased, and the adjusting range of the air door plate is doubled on the premise of the same primary air inlet area and the same injection pipe inlet area. And the appropriate primary air inlet area can be accurately determined.
As a preferable design scheme of this embodiment, the fins 1 to 3 are isosceles triangles, and the bottom edges of the isosceles triangle fins are formed on the damper plate body 1 to 1, as shown in fig. 5, the fins are designed into isosceles triangles, so that a primary air inlet is conveniently formed between adjacent fins, the adjustment range of the damper plate is increased, and the design and processing are convenient.
As another preferable design of this embodiment, the fins 1-3 are right triangles, one of the right sides of the right triangle is a base, and the base is formed on the wind gate plate body 1-1, as shown in fig. 6, the fins are designed as right triangles, which facilitates the formation of primary air inlets between adjacent fins, increases the adjustment range of the wind gate plate, and facilitates design and processing.
As another preferable design of this embodiment, the fins 1-3 are arc-shaped fins, and the fins are formed on the damper panel body 1-1, and as shown in fig. 7, the arc-shaped fins 1-3 have two arc-shaped sides 1-6. The area of the primary air inlet formed by the adjacent arc-shaped fins is smaller than that of the primary air inlet formed by the common triangular fins, so that the adjusting range of the air door plate is larger and is increased by more than 2 times compared with the adjusting range of the prior art. The adjusting range of the air door can be changed by adjusting the height of the arc-shaped fin and the radian of the arc-shaped edge.
Based on the design of above-mentioned air door structure, this embodiment has still provided a gas-cooker, mainly includes fire lid, gas distribution dish, furnace end the air door structure etc.. The mixed gas of the fuel gas and the air in the ejector of the air door structure enters the furnace end, enters the gas distribution disc through the furnace end, then enters the fire cover through the gas distribution disc, and finally is sprayed out and combusted from the fire cover.
The specific structure of the damper structure is described in detail with reference to the detailed description of the above embodiments and the detailed description of the drawings in the specification, and is not repeated herein. The gas stove with the air door structure 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 ejector comprises an ejector pipe, wherein the ejector pipe is provided with an air inlet and an air outlet;
the air door plate comprises an air door plate body, a plurality of fins protruding towards the injection pipe are formed on the end face, close to the injection pipe, of the air door plate body, and a primary air inlet is formed between every two adjacent fins; the fins are contacted with the inner peripheral wall of the injection pipe when extending into the injection pipe;
one end of the nozzle penetrates through the through hole of the air door plate and enters the air inlet of the injection pipe; the air door plate moves along the length direction of the nozzle;
and a nozzle holder having a fitting hole, the other end of the nozzle being fixed in the fitting hole.
2. The damper structure according to claim 1, wherein an annular seal boss is formed on the periphery of the fin on the damper plate body; when the fins completely extend into the injection pipe, the annular sealing boss is abutted against the end face of the air inlet of the injection pipe.
3. The damper structure of claim 1, wherein the perforated wall has an internal thread and the nozzle has an external thread at one end, the nozzle being threadedly connected to the perforated wall.
4. The damper structure according to claim 1, wherein a knob thread is formed on an outer peripheral surface of the damper plate body.
5. The air door structure according to claim 1, wherein a central axis of the ejector pipe coincides with a central axis of the air door panel body; the fins are circumferentially distributed around the central axis of the wind door plate body at equal intervals.
6. The damper structure of claim 1, wherein the fins are triangular, one of the sides of the triangular fins being formed on the damper panel body.
7. The damper structure of claim 1, wherein the fins are isosceles triangles, and the base of the isosceles triangle fins is formed on the damper panel body.
8. The damper structure of claim 1, wherein the fins are right triangular, one of the legs of the right triangular fin being formed on the damper panel body.
9. The damper structure of claim 1, wherein the fins are arcuate fins.
10. A gas range comprising a damper structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948596.9U CN212657761U (en) | 2020-05-29 | 2020-05-29 | Air door structure and gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948596.9U CN212657761U (en) | 2020-05-29 | 2020-05-29 | Air door structure and gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212657761U true CN212657761U (en) | 2021-03-05 |
Family
ID=74747642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020948596.9U Active CN212657761U (en) | 2020-05-29 | 2020-05-29 | Air door structure and gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212657761U (en) |
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2020
- 2020-05-29 CN CN202020948596.9U patent/CN212657761U/en active Active
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