CN210398910U

CN210398910U - Burner for gas stove

Info

Publication number: CN210398910U
Application number: CN201920919118.2U
Authority: CN
Inventors: 兰华
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-24
Anticipated expiration: 2029-06-18

Abstract

The utility model relates to a combustor for gas-cooker, including the fire lid, its characterized in that: the fire cover comprises an annular body, a plurality of main fire grooves are radially formed on the outer annular wall of the annular body in the circumferential direction, and a spacer block is formed between every two adjacent main fire grooves and provided with a flame stabilizing hole; the base is arranged below the fire cover and forms a first gas mixing chamber communicated with the main fire groove and a second gas mixing chamber communicated with the flame stabilizing hole with the fire cover; and first penetrate pipe and first sprayer that are linked together with first gas mixing chamber to and set up on first penetrating pipe and the inlet port of being connected with outside air feed portion, penetrate pipe and second sprayer with the second that second gas mixing chamber is linked together, compare with prior art, the utility model has the advantages of: the main fire groove provides primary air through the external air supply part, the primary air quantity of the flame stabilizing hole is more stable, and the flame stabilizing performance of the flame stabilizing hole is improved.

Description

Burner for gas stove

Technical Field

The utility model relates to a domestic kitchen utensils and appliances technical field especially relates to a combustor for gas-cooker with air blast structure.

Background

There are various blast-type cooking burners on the market today, structurally: a primary air blast burner, a secondary air blast burner and a primary and secondary air simultaneous blast burner, such as a Chinese patent application with the patent application number of CN201610790038.2 (application publication number of CN106287715A), which discloses a blast burner, a gas ejector pipe and a gas spray pipe which is communicated with the gas ejector pipe and protrudes out of a burner base are arranged on the burner base, a gas nozzle which can spray the gas in the gas ejector pipe is arranged above a panel, a burner upper cover which encloses an air flow cavity is also connected on the burner base, the burner upper cover is sleeved outside the gas spray pipe, an air blower flow passage which is communicated with the air flow cavity is formed between the burner upper cover and the outer wall of the gas spray pipe, a blower which can introduce external air into the air flow cavity is connected on the burner and is positioned below the panel, a distributor is connected on the burner upper cover, the distributor is provided with a mixed gas flow channel through which air in the air flow channel and gas in the gas nozzle can pass, and the upper end of the mixed gas flow channel is connected with a fire cover. The air-blowing burner provided by the invention can effectively prevent gas leakage and backfire, primary air is supplemented fully, the air blower is far away from a gas nozzle, the temperature rise of the air blower is low, and the reliability is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a burner for gas-cooker that flame stability is good is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this a combustor for gas-cooker, including the fire lid, its characterized in that: the fire cover comprises an annular body, the outer edge of the annular body vertically extends upwards to form an outer ring wall, a plurality of main fire grooves are radially formed in the outer ring wall of the annular body around the circumferential direction, a spacer block is formed between every two adjacent main fire grooves, and each spacer block is provided with a flame stabilizing hole; also includes:

the base is arranged below the fire cover and forms a first gas mixing chamber communicated with the main fire groove and a second gas mixing chamber communicated with the flame stabilizing hole with the fire cover; and

the first injection pipe is communicated with the first gas mixing chamber;

the first ejector is adapted to the gas inlet end of the first injection pipe;

the air inlet is arranged on the first injection pipe and is connected with an external air supply part;

the second injection pipe is communicated with the second gas mixing chamber; and

and the second ejector is adapted to the gas inlet end of the second injection pipe.

Further, in order to realize the independence of the gas channel between the main fire groove and the flame stabilizing hole, the base comprises a first gas channel and a second gas channel which is located at the periphery of the first gas channel and is independent of the first gas channel, the first gas channel is communicated with the first injection pipe and the first gas mixing chamber, and the second gas channel is communicated with the second injection pipe and the second gas mixing chamber. The primary air is provided through the external air supply part by the main flame groove, the primary air quantity of the main flame groove is controllable, the primary air instability of the main flame hole is further avoided, the main flame formed by the main flame groove can be pulled by the more stable flame hole, and finally the flame stabilizing effect of the main flame groove by the flame hole is improved.

In order to achieve better connection between the base and the fire cover, preferably, the base further includes a connecting body located above the first gas channel and the second gas channel, the connecting body supports the fire cover, the connecting body includes a plate body, an annular wall vertically arranged and communicated with the first gas channel extends upwards from the central position of the plate body, and a through hole communicated with the second gas channel is formed in the periphery of the annular wall of the plate body.

Furthermore, the outer edge of the annular body of the fire cover also vertically extends downwards to form a peripheral wall surface, the peripheral edge of the plate body supports the fire cover through the peripheral wall surface, and the top edge of the annular wall supports the inner edge of the annular body.

Furthermore, the annular body of the fire cover, the peripheral wall surface and the plate body of the connecting body jointly enclose the second gas mixing chamber, the flame stabilizing hole comprises an air outlet end positioned on the outer annular wall and an air inlet end positioned on the annular body, and the air inlet end is communicated with the second gas mixing chamber.

In order to prevent the first injector from being blocked after the overflowing liquid in the main fire groove flows into the first gas channel, preferably, a convex edge extends upwards from the inner side edge of the annular body, and the convex edge and the annular body jointly form a liquid containing area.

In order to better flow out of the main fire groove after the gas and the primary air are mixed, the fire cover preferably further comprises a cover plate covering the fire cover, the edge of the cover plate is provided with an inclined part which is inclined upwards from inside to outside, the main fire groove is also inclined upwards from inside to outside, and a main fire hole is formed by the main fire hole and the inclined part of the cover plate edge.

Compared with the prior art, the utility model has the advantages of: the utility model provides a combustor for gas-cooker, wherein main fire recess and the flame stabilizing hole of fire lid are for having the gas mixing chamber that corresponds separately and drawing the injection pipe, the sprayer respectively, and the flame stabilizing hole draws through the nature of first sprayer and draws and penetrate and provide primary air, and main fire recess provides primary air through outside air feed portion, the primary air's of main fire recess volume is controllable, burn with higher burning load, and then avoid the primary air unstability of flame stabilizing hole, the main fire that main fire recess formed can be pulled to more stable flame stabilizing hole, finally make flame stabilizing hole improve to main fire recess's flame stabilizing effect.

Drawings

FIG. 1 is a schematic structural diagram of a burner according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view at an angle of FIG. 1;

FIG. 4 is a cross-sectional view at another angle from FIG. 1;

FIG. 5 is a schematic structural view of an annular body of a fire cover according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a schematic structural diagram of a connecting body according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a base according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a cover plate in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in FIGS. 1 to 9, the preferred embodiment of the present invention is shown. The burner for the gas stove in the embodiment comprises a fire cover 1, wherein the fire cover 1 comprises an annular body 11, an outer annular wall 12 vertically extends upwards from the outer edge of the annular body 11, a plurality of main fire grooves 121 are radially formed on the outer annular wall 12 of the annular body 11 in the circumferential direction, a spacer 13 is formed between every two adjacent main fire grooves 121, and each spacer 13 is provided with a flame stabilizing hole 131; the flame-stabilizing device also comprises a base 2, wherein the base 2 is arranged below the fire cover 1 and forms a first gas mixing chamber 3 communicated with the main fire groove 121 and a second gas mixing chamber 4 communicated with the flame stabilizing hole 131 with the fire cover 1; the first injection pipe 5 is communicated with the first gas mixing chamber 3, and the first ejector 6 is matched with the gas inlet end of the first injection pipe 5; the setting is in on the first injection pipe 5, and the inlet port 51 of being connected with outside air feed portion 9, the second that is linked together with second gas mixing chamber 4 is drawn and is penetrated pipe 7, and the adaptation is drawn in the second and is penetrated the second sprayer 8 of gas inlet end of pipe 7, wherein main flame recess 121 and the flame stabilizing hole 131 of flame cover 1 are for having respectively the gas mixing chamber that corresponds respectively and drawing the pipe, the sprayer, and flame stabilizing hole 131 draws through the nature of second sprayer 8 and provides primary air, the amount of primary air of flame stabilizing hole 131 is stable relatively, and then realize flame stabilizing performance improvement of flame stabilizing hole 131, and main flame recess 121 provides primary air through the air feed portion 9 of first sprayer 6 outside, finally can make flame stabilizing hole 131 improve the flame stabilizing effect of main flame recess 121.

In this embodiment, in order to realize the independence of the gas passages of the main fire groove 121 and the flame stabilizing hole 131, the base 2 includes a first gas passage 21 and a second gas passage 22 located at the periphery of the first gas passage 21 and independent of the first gas passage 21, the first gas passage 21 communicates with the first injection pipe 5 and the first gas mixing chamber 3, and the second gas passage 22 communicates with the second injection pipe 7 and the second gas mixing chamber 4. In order to achieve better connection between the base 2 and the fire lid 1, preferably, the base 2 further includes a connecting body 10 located above the first gas channel 21 and the second gas channel 22, and the connecting body 10 supports the fire lid 1, wherein the connecting body 10 includes a plate body, a vertically arranged annular wall 101 extending upward from a central position of the plate body and communicating with the first gas channel 21, and a through hole 102 communicating with the second gas channel 22 is formed on the periphery of the annular wall 101 of the plate body. The outer edge of the annular body 11 of the fire cover 1 is also vertically extended downward to form an outer peripheral wall 111, the outer peripheral edge of the plate supports the fire cover 1 through the outer peripheral wall 111, and the top edge of the annular wall 101 supports the inner edge 112 of the annular body 11. The annular body 11 of the fire cover 1, the outer peripheral wall 111 and the plate body of the connector 10 together enclose a second air mixing chamber 4, the flame stabilizing hole 131 includes an air outlet 1311 located on the outer annular wall 12 and an air inlet 1312 located on the annular body 11, and the air inlet 1312 is communicated with the second air mixing chamber 4.

In order to prevent the first injector 6 from being blocked after the overflow liquid in the main fire groove 121 flows into the first gas channel 21, a flange 1121 extends upward from the inner edge 112 of the annular body 11, and the flange 1121 and the annular body 11 together form a liquid containing region 20. Finally, in order to better flow out to the main fire grooves 121 after the gas and the primary air are mixed, the fire cover also comprises a cover plate 30 which covers the fire cover 1, the edge of the cover plate 30 is provided with an inclined part 301 which is inclined upwards from inside to outside, the main fire grooves 121 are also inclined upwards from inside to outside, and form main fire holes with the inclined part 301 at the edge of the cover plate 30.

As described above, the primary air, the gas, and the mixed primary air and gas are guided in the combustor through the first ejector 6, the first injection pipe 5, the first gas channel 21, and the first gas mixing chamber 3 to generate low pressure, the gas is sucked into the first injection pipe 5 by the kinetic energy of the gas, the required primary air is provided by the external air supply part 9, such as a blower, which is connected to the air inlet 51 provided on the first injection pipe 5, the premixed primary air and gas finally enter the first gas mixing chamber 3, and the mixed primary air and gas finally pass through the main fire hole formed by the main fire groove 121 and the cover plate 30 and are ignited together with the secondary air of the external environment to form the main fire. The fire cover 1 further comprises a flame stabilizing fire which can enable a user to control independently, fuel gas required by the flame stabilizing hole 131 is injected into the second injection pipe 7, the second fuel gas channel 22 and the second gas mixing chamber 4 through the second injector 8 naturally, fluid separation of the first gas mixing chamber 3 and the second gas mixing chamber 4 is achieved in the mode, then the fuel gas can be supplied independently, the user is allowed to control inflow of fuel mixtures entering the first injection pipe 5 and the second injection pipe 7 independently, and the flame stabilizing hole 131 is formed by injecting the primary air naturally through the second injector 8, so that the amount of the primary air is controllable and more stable compared with that of primary air of the main fire hole, and the flame stabilizing performance of the flame stabilizing hole 131 is improved.

Claims

1. A combustor for a gas stove comprises a fire cover (1), and is characterized in that: the fire cover (1) comprises an annular body (11), an outer annular wall (12) vertically extends upwards from the outer edge of the annular body (11), a plurality of main fire grooves (121) are radially formed in the outer annular wall (12) of the annular body (11) in the circumferential direction, a spacer block (13) is formed between every two adjacent main fire grooves (121), and each spacer block (13) is provided with a flame stabilizing hole (131); also includes:

the base (2) is arranged below the fire cover (1), and forms a first gas mixing chamber (3) communicated with the main fire groove (121) and a second gas mixing chamber (4) communicated with the flame stabilizing hole (131) with the fire cover (1); and

the first injection pipe (5) is communicated with the first gas mixing chamber (3);

the first ejector (6) is adapted to the gas inlet end of the first injection pipe (5);

the air inlet (51) is arranged on the first injection pipe (5) and is connected with an external air supply part (9);

the second injection pipe (7) is communicated with the second gas mixing chamber (4); and

and the second ejector (8) is adapted to the gas inlet end of the second injection pipe (7).

2. Burner for gas cooktops according to claim 1, characterized in that: the base (2) comprises a first gas channel (21) and a second gas channel (22) which is located on the periphery of the first gas channel (21) and is independent of the first gas channel (21), the first gas channel (21) is communicated with the first injection pipe (5) and the first gas mixing chamber (3), and the second gas channel (22) is communicated with the second injection pipe (7) and the second gas mixing chamber (4).

3. Burner for gas cooktops according to claim 2, characterized in that: the base (2) further comprises a connecting body (10) positioned on the first gas channel (21) and the second gas channel (22), the connecting body (10) supports the fire cover (1), the connecting body (10) comprises a plate body, a vertically arranged annular wall (101) which is communicated with the first gas channel (21) extends upwards from the central position of the plate body, and a through hole (102) which is communicated with the second gas channel (22) is formed in the periphery of the annular wall (101) of the plate body.

4. Burner for gas cooktops according to claim 3, characterized in that: the outer edge of the annular body (11) of the fire cover (1) also vertically extends downwards to form a peripheral wall surface (111), the peripheral edge of the plate body supports the fire cover (1) through the peripheral wall surface (111), and the top edge of the annular wall (101) supports the inner edge (112) of the annular body (11).

5. Burner for gas cooktops according to claim 4, characterized in that: the annular body (11) of the fire cover (1), the peripheral wall surface (111) and the plate body of the connecting body (10) jointly enclose the second gas mixing chamber (4), the flame stabilizing hole (131) comprises an air outlet end (1311) positioned on the outer annular wall (12) and an air inlet end (1312) positioned on the annular body (11), and the air inlet end (1312) is communicated with the second gas mixing chamber (4).

6. Burner for gas cooktops according to claim 4 or 5, characterized in that: a convex edge (1121) extends upwards from the inner side edge (112) of the annular body (11), and the convex edge (1121) and the annular body (11) jointly form a liquid containing area (20).

7. The burner for a gas range according to any one of claims 1 to 5, wherein: the fire cover is characterized by further comprising a cover plate (30) covering the fire cover (1), the edge of the cover plate (30) is provided with an inclined part (301) inclined upwards from inside to outside, the main fire groove (121) is also inclined upwards from inside to outside, and a main fire hole is formed by the main fire hole and the inclined part (301) on the edge of the cover plate (30).