CN103162292B - Burner outer flame cover - Google Patents
Burner outer flame cover Download PDFInfo
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- CN103162292B CN103162292B CN201310059405.8A CN201310059405A CN103162292B CN 103162292 B CN103162292 B CN 103162292B CN 201310059405 A CN201310059405 A CN 201310059405A CN 103162292 B CN103162292 B CN 103162292B
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Abstract
A burner outer flame cover comprises an annular flame cover upper body and an annular flame cover lower body. The flame cover upper body is covered on the flame cover lower body. The burner outer flame cover is characterized in that a plurality of main flame grooves are formed, in the lower end face of the flame cover upper body, around the peripheral direction in a radial mode. A partition block is formed between each two adjacent main flame grooves, main flame channels are formed by the main flame grooves and the upper end face of the flame cover lower body, flame holding channels are formed between the bottom faces of the partition blocks of the flame cover upper body and the upper end face of the flame cover lower body and used for passing of auxiliary fuel gas, belt-shaped flame holding holes are formed in the portions, on side elevation of the outer flame cover, of the flame holding channels, and two adjacent main flame holes are communicated by each flame holding hole. Compared with the prior art, the burner outer flame cover has the advantages that each belt-shaped flame holding hole connects the two adjacent main flame holes into a whole, two ends of each flame holding hole can both hold on to the main flame holes, so that fuel gas is burned evenly, flame floating is not prone to happening at the time of burning, and the flame holding effect is further improved.
Description
Technical field
The present invention relates to a kind of outer fire cover of burner, belong to technical field of combustion equipment.
Background technology
Common Domestic combustor, generally has outer fire cover and inner fire cover, to stabilize the flame.Existing burner outer flame cover structure generally comprises the outer fire cover body with multiple main fiery passages, and outer fire cover body lower surface has mixing chamber, and this mixing chamber and main fiery channel connection, main fiery passage forms main fire hole in outer fire cover body outer face.This kind of patent document can referenced patent number be Chinese utility model patent " a kind of conic-fire cover for gas-range burner " (Authorization Notice No.: CN2842216Y) of ZL200520014838.2, can also the referenced patent number Chinese utility model patent " a kind of burner fire lid " (Authorization Notice No. is CN202149492U) that is ZL201120246965.0.The above-mentioned disclosed main fire hole combustion system of this list, deposits flame after combustion and easily beats, the deficiency of combustion zone instability.
The outer fire cover structure much with flame stabilization function is disclosed in prior art, as the Chinese utility model patent " a kind of outer-ring fire cover for gas burner " (Authorization Notice No. is CN201377835Y) that the patent No. is ZL200920112857.7, outside outer fire cover, facade offers stable flame hole in this patent, stable flame hole to be positioned at below outer shroud fire hole and to be alternately arranged with outer shroud fire hole, and stable flame hole inner end is communicated with the blast tube of fire cover.Be arranged so that efficiency of combustion improves greatly due to stable flame hole, the discharge of indoor carbon monoxide can be reduced.Design can also the Chinese utility model patent " stove burner fire cover " (Authorization Notice No. is CN201155762C) of referenced patent number to be the Chinese utility model patent " ring-shaped fire cover of burner for gas stove " (Authorization Notice No. is CN201513893U) of ZL200920195299.5 and the patent No. be ZL200820031768.5 similarly.
Although the structure after improving achieves good technique effect, go back Shortcomings: first, steady flame effect does not reach optimum state, can also promote further; Secondly, overflowing liquid easily enters main fire hole or stable flame hole thus blocks main fiery passage or steady flame passage; Finally, not easy cleaning after main fiery passage or steady flame channel blockage.
Summary of the invention
Technical problem to be solved by this invention provides a kind of combustion stablized burner outer flame cover for the above-mentioned state of the art.
Another technical problem to be solved by this invention provides a kind of burner outer flame cover that can prevent overflowing liquid from entering main fiery passage or steady flame passage.
Another technical problem to be solved by this invention is the burner outer flame cover providing a kind of main fiery passage or steady flame passage easy to clean for the above-mentioned state of the art.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of burner outer flame cover, the multiple main fiery passage that there is mixing chamber and be communicated with mixing chamber, this main fiery passage forms main fire hole at the outer side elevation of outer fire cover, it is characterized in that comprising the fire cover upper body and fire cover lower body that are ring-type, aforementioned fire cover upper body is covered on above fire cover lower body, it is characterized in that the lower surface of aforementioned fire cover upper body forms multiple main fiery groove around circumferencial direction radial direction, between adjacent main fiery groove, then form spacer block;
Main fiery passage described in the main fiery groove of aforementioned fire cover upper body and the upper surface of fire cover lower body are formed, the steady flame passage passed through for assisted gas is formed between the spacer block bottom surface of aforementioned fire cover upper body and the upper surface of fire cover lower body, this steady flame passage forms banded stable flame hole at the side elevation of outer fire cover, and adjacent two main fire holes are communicated with by this stable flame hole.
Described spacer block forms steady flame groove from inside to outside, and this steady flame groove and fire cover lower body upper surface form steady flame passage, and this steady flame groove has a flared section near outer end.Flared section can reduce the flow velocity of combustion gas, and the steady flame combustion gas in outflow gap is not easy from flame when burning.
Described spacer block forms a stopper in the outside of this flared section.The setting of stopper makes steady flame combustion gas turn in steady flame passage, reduces the combustion gas rate of outflow, making the steady flame combustion gas of outflow stable flame hole when burning not from flame, heating main fire hole combustion gas root, making whole burner flame stabilization when burning.
The lower surface of described stopper is low inside and high outside inclined plane.Inclined plane plays discharge guide functions, makes discharge flow to the outer surface of fire cover bottom.Prevent kitchen range in use, discharge flows into main fiery passage and steady flame passage, results in blockage.
The upper surface of described fire cover lower body forms annular convex near periphery.Annular convex can play water conservancy diversion and stop that overflowing liquid enters stable flame hole.
The upper surface of described fire cover lower body forms multiple slit around circumferencial direction radial direction, and aforesaid slit and main fiery groove one_to_one corresponding form main fiery passage.Certainly, fire cover lower body also can be a plane, and namely main fiery channel section length is consistent with main fiery channel cross-section length.
Fire cover upper body and fire cover lower body assembling mode are preferably as follows structure: the inner side of described fire cover upper body forms at least two upper joint pins, accordingly, the inner side of described fire cover lower body forms the lower joint pin coordinated with aforementioned upper joint pin, and aforesaid upper joint pin and lower joint pin are connected as a single entity by connecting elements.
Further, described main fiery passage from inside to outside progressively tilt-lift arrange.
Further, the lower surface of described spacer block inner end is skewed, the upper surface radially outside progressively tilt-lift shape of described fire cover lower body, under described fire cover upper body and fire cover lower body are in confined state, the lower surface of described spacer block inner end contacts with the upper surface of fire cover lower body and coordinates.
Further, the upper surface of described fire cover upper body forms the fire tank of a radial arrangement
Compared with prior art, the invention has the advantages that: adjacent main fire hole is connected as a single entity by banded stable flame hole, and main fire hole can be held in stable flame hole two ends, make fuel gas buring even, not easily from flame during burning, steady flame effect further; Outer fire cover adopts fire cover upper body and fire cover lower body split-type design, when making have foreign matter to enter in winner's fire passage or steady flame passage, cleans, guarantee to clean up as long as take apart.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation.
Fig. 2 is the decomposition installation diagram of Fig. 1.
Fig. 3 is the reverse view that Fig. 2 moderate heat covers body.
Fig. 4 is the three-dimensional cutaway view along A-A direction in Fig. 1.
Fig. 5 is B portion enlarged drawing in Fig. 4.
Fig. 6 is C portion enlarged drawing in Fig. 4.
Fig. 7 is embodiment 2 cut-away section structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1, as shown in Fig. 1 ~ Fig. 6, burner outer flame cover in the present embodiment comprises the fire cover upper body 1 and fire cover lower body 2 that are ring-type, fire cover upper body 1 is covered on above fire cover lower body 2, the lower surface of fire cover upper body 1 forms multiple main fiery groove 11 around circumferencial direction radial direction, then forms spacer block 12 between adjacent main fiery groove 11.The upper surface of fire cover lower body 2 forms multiple slit 21 around circumferencial direction radial direction, slit 21 and main fiery groove 11 one_to_one corresponding form main fiery passage, this main fiery passage from inside to outside progressively tilt-lift arrange and form main fire hole 3 at the outer side elevation of outer fire cover, the steady flame passage passed through for assisted gas is formed between spacer block 12 bottom surface of fire cover upper body and the upper surface of fire cover lower body 1, this steady flame passage forms banded stable flame hole 4 at the side elevation of outer fire cover, and adjacent two main fire holes 3 are communicated with by this stable flame hole 4.
Fire cover upper body 1 tool mixing chamber 7, mixing chamber 7 and main fiery channel connection.The upper surface of fire cover upper body 1 forms the fire tank 5 of a radial arrangement.
Spacer block 12 forms steady flame groove 16 from inside to outside, and this steady flame groove 16 forms steady flame passage with fire cover lower body 2 upper surface, and this steady flame groove 16 has a flared section 14 near outer end.Flared section 14 can reduce the flow velocity of combustion gas, and the steady flame combustion gas in outflow gap is not easy from flame when burning.
Spacer block 12 forms a stopper 15 in the outside of this flared section.The setting of stopper 15 makes steady flame combustion gas turn in steady flame passage, reduces the combustion gas rate of outflow, making the steady flame combustion gas of outflow stable flame hole when burning not from flame, heating main fire hole combustion gas root, making whole burner flame stabilization when burning.
The lower surface of stopper 15 is low inside and high outside inclined plane.Inclined plane plays discharge guide functions, makes discharge flow to the outer surface of fire cover bottom.Prevent kitchen range in use, discharge flows into main fiery passage and steady flame passage, results in blockage.
The upper surface of fire cover lower body 2 forms annular convex 22 near periphery, plays water conservancy diversion and stops that discharge enters stable flame hole
The inner side of fire cover upper body 1 forms four upper joint pins 13, accordingly, the inner side of fire cover lower body 2 forms the lower joint pin 23 coordinated with upper joint pin 13, and upper joint pin 13 and lower joint pin 23 are connected as a single entity by connecting elements (as screw, bolt etc.).The lower surface of spacer block 12 inner end is skewed, and the upper surface radially outside progressively tilt-lift shape of fire cover lower body 2, under fire cover upper body 1 and fire cover lower body 2 are in confined state, the lower surface of spacer block 12 inner end contacts with the upper surface of fire cover lower body 2 and coordinates.
Main fiery channel cross-section in the present embodiment is rectangle, can certainly adopt kidney-shaped, and the main length of fiery channel section and the cross-sectional length of slit are the half of main fiery channel cross-section length.
The overall diameter comparatively large 1.6 ~ 2mm of fire cover lower body 2 overall diameter of the fire cover upper body 1 in the present embodiment, such object makes that discharge is more difficult enters stable flame hole and main fire hole.
Embodiment 2, as shown in Figure 7, fire cover lower body 2 upper surface in the present embodiment does not have slit, and namely main fiery groove 16 cross-sectional length is consistent with main fiery channel cross-section length.Other structural reference embodiments 1.
Claims (9)
1. a burner outer flame cover, the multiple main fiery passage that there is mixing chamber and be communicated with mixing chamber, this main fiery passage forms main fire hole at the outer side elevation of outer fire cover, this outer fire cover comprises the fire cover upper body and fire cover lower body that are ring-type, aforementioned fire cover upper body is covered on above fire cover lower body, it is characterized in that the lower surface of aforementioned fire cover upper body forms multiple main fiery groove around circumferencial direction radial direction, between adjacent main fiery groove, then form spacer block;
Main fiery passage described in the main fiery groove of aforementioned fire cover upper body and the upper surface of fire cover lower body are formed, the steady flame passage passed through for assisted gas is formed between the spacer block bottom surface of aforementioned fire cover upper body and the upper surface of fire cover lower body, this steady flame passage forms banded stable flame hole at the side elevation of outer fire cover, and adjacent two main fire holes are communicated with by this stable flame hole;
Described spacer block forms steady flame groove from inside to outside, and this steady flame groove and fire cover lower body upper surface form steady flame passage, and this steady flame groove has a flared section near outer end.
2. burner outer flame cover according to claim 1, is characterized in that described spacer block forms a stopper in the outside of this flared section.
3. burner outer flame cover according to claim 2, is characterized in that the lower surface of described stopper is low inside and high outside inclined plane.
4. burner outer flame cover according to claim 3, is characterized in that the upper surface of described fire cover lower body forms annular convex near periphery.
5. the burner outer flame cover according to claim arbitrary in Claims 1 to 4, is characterized in that the upper surface of described fire cover lower body forms multiple slit around circumferencial direction radial direction, and aforesaid slit and main fiery groove one_to_one corresponding form main fiery passage.
6. the burner outer flame cover according to claim arbitrary in Claims 1 to 4, it is characterized in that the inner side of described fire cover upper body forms at least two upper joint pins, accordingly, the inner side of described fire cover lower body forms the lower joint pin coordinated with aforementioned upper joint pin, and aforesaid upper joint pin and lower joint pin are connected as a single entity by connecting elements.
7. burner outer flame cover according to claim 6, it is characterized in that described main fiery passage from inside to outside progressively tilt-lift arrange.
8. burner outer flame cover according to claim 7, the lower surface that it is characterized in that described spacer block inner end is skewed, the upper surface radially outside progressively tilt-lift shape of described fire cover lower body, under described fire cover upper body and fire cover lower body are in confined state, the lower surface of described spacer block inner end contacts with the upper surface of fire cover lower body and coordinates.
9. the burner outer flame cover according to claim arbitrary in Claims 1 to 4, is characterized in that the upper surface of described fire cover upper body forms the fire tank of a radial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310059405.8A CN103162292B (en) | 2013-02-26 | 2013-02-26 | Burner outer flame cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310059405.8A CN103162292B (en) | 2013-02-26 | 2013-02-26 | Burner outer flame cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103162292A CN103162292A (en) | 2013-06-19 |
| CN103162292B true CN103162292B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310059405.8A Active CN103162292B (en) | 2013-02-26 | 2013-02-26 | Burner outer flame cover |
Country Status (1)
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| CN (1) | CN103162292B (en) |
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| CN103939905B (en) * | 2014-02-24 | 2016-08-24 | 宁波方太厨具有限公司 | The burner fire lid of gas kitchen ranges |
| CN104949170B (en) * | 2014-03-26 | 2018-06-08 | 博西华电器（江苏）有限公司 | A kind of fire cover of gas-cooker, gas-cooker and its manufacturing method, burner for gas stove |
| CN106152139B (en) * | 2016-08-26 | 2018-12-21 | 宁波方太厨具有限公司 | A kind of flame cover for gas range |
| CN106642118B (en) * | 2016-10-31 | 2019-06-25 | 宁波方太厨具有限公司 | A kind of burner fire lid of gas cooker |
| CN106989394A (en) * | 2017-05-23 | 2017-07-28 | 华帝股份有限公司 | Combined fire cover of burner |
| CN109695878B (en) * | 2017-10-20 | 2024-01-16 | 宁波方太厨具有限公司 | Burner with adjustable firepower |
| CN109958999B (en) * | 2017-12-26 | 2024-01-16 | 宁波方太厨具有限公司 | Burner of burner |
| CN109959008B (en) * | 2017-12-26 | 2024-04-16 | 宁波方太厨具有限公司 | Burner fire cover for gas stove |
| CN108278605B (en) * | 2018-03-20 | 2024-07-05 | 广东美的厨房电器制造有限公司 | Fire cover and burner |
| CN108469025B (en) * | 2018-04-04 | 2019-10-25 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
| CN108443882B (en) * | 2018-04-04 | 2020-04-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire cover, burner and burning kitchen ware |
| WO2019192186A1 (en) * | 2018-04-04 | 2019-10-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner cap, burner, and burner cooker |
| CN110513689A (en) * | 2018-05-21 | 2019-11-29 | 宁波方太厨具有限公司 | A kind of fire cover structure of cooker burner |
| CN110553264A (en) * | 2018-06-03 | 2019-12-10 | 宁波方太厨具有限公司 | Burner fire cover |
| CN108954306B (en) * | 2018-08-24 | 2024-05-17 | 浙江帅丰电器股份有限公司 | Burner |
| CN111256122B (en) * | 2018-11-30 | 2021-11-26 | 宁波方太厨具有限公司 | Fire cover for gas stove |
| CN111720824A (en) * | 2019-03-21 | 2020-09-29 | 宁波方太厨具有限公司 | Stove burner fire cover and stove comprising same |
| CN112146092B (en) * | 2019-06-27 | 2021-08-20 | 宁波方太厨具有限公司 | Stove burner |
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| CN103162292A (en) | 2013-06-19 |
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