CN213983553U - Gas burner - Google Patents
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- CN213983553U CN213983553U CN202022278847.XU CN202022278847U CN213983553U CN 213983553 U CN213983553 U CN 213983553U CN 202022278847 U CN202022278847 U CN 202022278847U CN 213983553 U CN213983553 U CN 213983553U
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- combustion
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Abstract
A gas burner comprises a burner head and a combustion piece, wherein the burner head comprises a gas cavity with an upper opening and an injection pipe, and a support sleeve with an upper opening and a lower opening is arranged in the center of a bottom plate of the gas cavity; the supporting sleeve is inserted into the central heat insulation piece and supports the top plate of the central heat insulation piece; the combustion chamber is embedded into the gas chamber, and the upper end of the gas chamber supports the annular edge plate; a gap is reserved between the central heat insulation piece and the flow guide hole; the upper end face of the central heat insulation piece and the annular edge plate support the combustion piece, the central fixing sleeve penetrates through the combustion piece and is inserted into the upper end of the central heat insulation piece, the inner annular outer buckling edge is buckled with the combustion piece, the outer annular heat insulation piece and the gas cavity are inserted into the barrel body, and the annular inner buckling edge is buckled with the combustion piece. Due to the adoption of the structure, the combustion piece can prevent backfire and can fully combust, so that the energy efficiency is improved; the central heat insulation piece and the outer ring heat insulation piece reduce the temperature rise of the furnace end, and the gradient of load reduction is small.
Description
Technical Field
The utility model relates to a gas burner for cooking utensils or gas oven.
Background
At present, in the prior art, a gas burner comprises a burner and a combustion part, wherein the burner comprises a gas cavity with an upper opening and an injection pipe. The problems are that the tempering phenomenon exists, the temperature of the furnace end rises, and the gradient of load reduction is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the gas burner has the characteristics of backfire prevention, full combustion, high energy efficiency and low temperature rise.
The utility model discloses a realize like this: the utility model provides a gas burner, includes furnace end and burning piece, and the furnace end includes upper shed's gas chamber and draws and penetrate the pipe, and its special character lies in: a supporting sleeve with an upper opening and a lower opening is arranged in the center of the bottom plate of the gas cavity;
the combustion piece comprises an upper small-hole annular combustion net, a large-hole isolation flow guide net and a lower small-hole annular combustion net, wherein the upper small-hole annular combustion net, the large-hole isolation flow guide net and the lower small-hole annular combustion net are arranged from top to bottom and fixed together;
also comprises a central heat insulation piece, an outer ring heat insulation piece, a central fixing sleeve and a decorative ring,
the central heat insulation piece is provided with a lower opening, and a through hole is arranged on the top plate; the outer ring heat insulation piece comprises a combustion cavity with an upper opening, a flow guide hole arranged in the center of a bottom plate of the combustion cavity and an annular edge plate arranged on the upper opening end of the combustion cavity;
the central fixing sleeve is provided with an upper opening, an inner annular outer buckling edge is arranged on the upper opening, and an ignition needle fixing hole is formed in the bottom plate;
the decorative ring comprises a cylinder part and an annular inner buckling edge;
the supporting sleeve is inserted into the central heat insulation piece and supports the top plate of the central heat insulation piece; the combustion chamber is embedded into the gas chamber, and the upper end of the gas chamber supports the annular edge plate; a gap is reserved between the central heat insulation piece and the flow guide hole; the upper end face of the central heat insulation piece and the annular edge plate support the combustion piece, the central fixing sleeve penetrates through the combustion piece and is inserted into the upper end of the central heat insulation piece, the inner annular outer buckling edge is buckled with the combustion piece, the outer annular heat insulation piece and the gas cavity are inserted into the barrel body, and the annular inner buckling edge is buckled with the combustion piece.
The gas burner is characterized in that; the central heat insulation piece is hyperbolic, the lower end of the central heat insulation piece is positioned below the bottom plate of the combustion cavity of the outer ring heat insulation piece, and a gas and air diversion gap is formed between the lower end of the central heat insulation piece and the bottom plate of the combustion cavity.
The gas burner is characterized in that; the upper small-hole annular combustion net comprises an accommodating cavity with a lower opening and an annular seat plate with a lower opening of an annular accommodating cavity,
the large-hole isolation flow guide net is arranged in the containing cavity, and the lower small-hole annular combustion net covers the containing cavity, is attached to the annular seat plate and is welded together with the annular seat plate.
The gas burner is characterized in that; the furnace end is provided with an annular gas outlet cavity surrounding the support sleeve, a central premixing cavity arranged at the front end of the annular gas outlet cavity and an outer ring premixing cavity arranged at the rear part of the gas cavity;
the ejector pipe comprises a central ejector pipe and an outer ring ejector pipe,
the central injection pipe is communicated with the central premixing cavity, and the outer ring injection pipe is communicated with the outer ring premixing cavity.
The utility model relates to a gas burner, because of adopting the structure, the burning piece can prevent the backfire, the burning is abundant, has improved the energy efficiency; the central heat insulation piece and the outer ring heat insulation piece reduce the temperature rise of the furnace end, and the gradient of load reduction is small.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Fig. 5 is one of perspective views of the present invention.
Fig. 6 is a second perspective view of the present invention.
Fig. 7 is a perspective view of the furnace end of the present invention.
Fig. 8 is a front view of the furnace end of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the gas burner comprises a burner 1 and a combustion part 2, wherein the burner 1 comprises a gas cavity 11 with an upper opening and an injection pipe, and the injection pipe is communicated with the gas cavity 11; a supporting sleeve 12 with an upper opening and a lower opening is arranged at the center of the bottom plate of the gas cavity 11;
the combustion part 2 comprises an upper small-hole annular combustion net 21, a large-hole isolation flow guide net 22 and a lower small-hole annular combustion net 23, wherein the upper small-hole annular combustion net 21, the large-hole isolation flow guide net 22 and the lower small-hole annular combustion net 23 are arranged from top to bottom and fixed together; the upper small-hole circular combustion net 21 and the lower small-hole circular combustion net 23 are 25 meshes to 50 meshes, and the large-hole isolation flow guide net 22 is 4-6 meshes;
also comprises a central heat insulation piece 3, an outer ring heat insulation piece 4, a central fixing sleeve 5 and a decorative ring 6,
the central heat insulating material 3 has a lower opening, and a through hole 31 is arranged on the top plate; the outer ring heat insulation piece 4 comprises a combustion chamber 41 with an upper opening, a diversion hole 42 arranged in the center of the bottom plate of the combustion chamber and an annular edge plate 43 arranged on the upper opening end of the combustion chamber;
the central fixing sleeve 5 is provided with an upper opening, an inner annular outer buckling edge 51 is arranged on the upper opening, and an ignition needle fixing hole 52 is arranged on the bottom plate;
the decorative ring 6 comprises a cylindrical body part 61 and an annular inner buckling edge 62;
the support sleeve 12 is inserted into the central insulating element 3, the support sleeve 12 supporting the top plate of the central insulating element 3; the combustion chamber 41 is embedded in the gas chamber 11, and the upper end of the gas chamber 11 supports the annular edge plate 43; a gap is reserved between the central heat insulation piece 3 and the diversion hole 42; the upper end surface of the central heat insulation piece 3 and the annular edge plate 43 support the combustion piece 4, the central fixing sleeve 5 penetrates through the combustion piece 2 and is inserted into the upper end of the central heat insulation piece 3, the inner annular outer buckling edge 51 is buckled with the combustion piece 2, the outer annular heat insulation piece 4 and the gas cavity 11 are inserted into the barrel body part 61, and the annular inner buckling edge 62 is buckled with the combustion piece 2.
The central heat insulation piece 3 is hyperbolic, the lower end of the central heat insulation piece 3 is positioned below the bottom plate of the combustion cavity 41 of the outer ring heat insulation piece 4, and a flow guide gap 7 of gas and air is arranged between the lower end of the central heat insulation piece 3 and the bottom plate of the combustion cavity 41.
The upper small-hole annular combustion net 21 comprises an accommodating cavity 211 with a lower opening and an annular seat plate 212 with a lower opening of an annular accommodating cavity,
the large-hole isolation flow guide net 22 is arranged in the accommodating cavity 21, and the lower small-hole annular combustion net 23 covers the accommodating cavity 211 and is attached to and welded with the annular seat plate 212;
the burner 1 is provided with an annular gas outlet cavity 13 surrounding the support sleeve 11, a central premixing cavity 14 provided with the front end of the annular gas outlet cavity and an outer ring premixing cavity 15 provided with the rear part of the gas cavity 11;
the ejector pipe comprises a central ejector pipe 16 and an outer ring ejector pipe 17,
the central injection pipe is communicated with the central premixing cavity, and the outer ring injection pipe is communicated with the outer ring premixing cavity.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (4)
1. The utility model provides a gas burner, includes furnace end and burning piece, the furnace end includes upper shed gas chamber and draws and penetrate the pipe, its characterized in that: a supporting sleeve with an upper opening and a lower opening is arranged in the center of the bottom plate of the gas cavity;
the combustion piece comprises an upper small-hole annular combustion net, a large-hole isolation flow guide net and a lower small-hole annular combustion net, wherein the upper small-hole annular combustion net, the large-hole isolation flow guide net and the lower small-hole annular combustion net are arranged from top to bottom and fixed together;
also comprises a central heat insulation piece, an outer ring heat insulation piece, a central fixing sleeve and a decorative ring,
the central heat insulation piece is provided with a lower opening, and a through hole is arranged on the top plate; the outer ring heat insulation piece comprises a combustion cavity with an upper opening, a flow guide hole arranged in the center of a bottom plate of the combustion cavity and an annular edge plate arranged on the upper opening end of the combustion cavity;
the central fixing sleeve is provided with an upper opening, an inner annular outer buckling edge is arranged on the upper opening, and an ignition needle fixing hole is formed in the bottom plate;
the decorative ring comprises a cylinder part and an annular inner buckling edge;
the supporting sleeve is inserted into the central heat insulation piece and supports the top plate of the central heat insulation piece; the combustion chamber is embedded into the gas chamber, and the upper end of the gas chamber supports the annular edge plate; a gap is reserved between the central heat insulation piece and the flow guide hole; the upper end face of the central heat insulation piece and the annular edge plate support the combustion piece, the central fixing sleeve penetrates through the combustion piece and is inserted into the upper end of the central heat insulation piece, the inner annular outer buckling edge is buckled with the combustion piece, the outer annular heat insulation piece and the gas cavity are inserted into the barrel body, and the annular inner buckling edge is buckled with the combustion piece.
2. A gas burner as claimed in claim 1, characterized in that; the central heat insulation piece is hyperbolic, the lower end of the central heat insulation piece is positioned below the bottom plate of the combustion cavity of the outer ring heat insulation piece, and a gas and air diversion gap is formed between the lower end of the central heat insulation piece and the bottom plate of the combustion cavity.
3. A gas burner as claimed in claim 1, characterized in that; the upper small-hole annular combustion net comprises an accommodating cavity with a lower opening and an annular seat plate with a lower opening of an annular accommodating cavity,
the large-hole isolation flow guide net is arranged in the containing cavity, and the lower small-hole annular combustion net covers the containing cavity, is attached to the annular seat plate and is welded together with the annular seat plate.
4. A gas burner as claimed in claim 1, characterized in that; the furnace end is provided with an annular gas outlet cavity surrounding the support sleeve, a central premixing cavity arranged at the front end of the annular gas outlet cavity and an outer ring premixing cavity arranged at the rear part of the gas cavity;
the ejector pipe comprises a central ejector pipe and an outer ring ejector pipe,
the central injection pipe is communicated with the central premixing cavity, and the outer ring injection pipe is communicated with the outer ring premixing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022278847.XU CN213983553U (en) | 2020-10-13 | 2020-10-13 | Gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022278847.XU CN213983553U (en) | 2020-10-13 | 2020-10-13 | Gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213983553U true CN213983553U (en) | 2021-08-17 |
Family
ID=77256531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022278847.XU Active CN213983553U (en) | 2020-10-13 | 2020-10-13 | Gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213983553U (en) |
-
2020
- 2020-10-13 CN CN202022278847.XU patent/CN213983553U/en active Active
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