CN110762523A

CN110762523A - Gas burner with strong injection force and gas stove with burner

Info

Publication number: CN110762523A
Application number: CN201810849885.0A
Authority: CN
Inventors: 王帅东; 刘晓刚
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2018-07-28
Filing date: 2018-07-28
Publication date: 2020-02-07

Abstract

The invention relates to a gas burner with strong injection force, which is characterized by comprising an annular outer ring gas mixing cavity, wherein the outer ring gas mixing cavity is divided into at least two gas mixing sub-cavities along the circumferential direction, and each gas mixing sub-cavity is respectively connected with an outer ring injection pipe; still relate to a gas-cooker. The outer ring gas mixing cavity is divided into at least two gas mixing sub-cavities along the circumferential direction, and each gas mixing sub-cavity is connected with an outer ring injection pipe, namely each gas mixing sub-cavity injects airflow through an independent outer ring injection pipe, so that the injection capacity of the outer ring in the gas burner is enhanced. In the gas stove, the burner is inserted into the mounting hole through the gas joint to realize the positioning on the liquid bearing disc, and is supported on the liquid bearing disc through the supporting leg, in addition, the ignition needle and the thermocouple are arranged on the burner in a penetrating way, so that the burner can be integrally removed from the liquid bearing disc, and only the ignition needle and the thermocouple are left on the liquid bearing disc at the moment, and the gas stove is convenient to clean.

Description

Gas burner with strong injection force and gas stove with burner

Technical Field

The invention relates to the field of gas cookers, in particular to a gas burner with strong injection force and a gas cooker with the burner.

Background

The existing gas burner is generally provided with an inner ring fire cover and an outer ring fire cover, and correspondingly, an inner ring injection pipe and an outer ring injection pipe which respectively correspond to the inner ring fire cover and the outer ring fire cover are arranged on the gas stove. The traditional upper air inlet gas burner has the problem of insufficient injection force due to the limitation of the structure. The invention discloses an overhead burner, which comprises a fire cover, a middle disc and a base from top to bottom, wherein the middle disc and the base are installed and matched to form a small-fire injection pipe and a main-fire injection pipe, the middle disc is also internally provided with a small fire outlet pipe and a main fire outlet pipe, the air outlet end of the small-fire injection pipe is connected with the small fire outlet pipe, the air outlet end of the main-fire injection pipe is connected with the main fire outlet pipe, the other ends, namely the air inlet ends, of the small-fire injection pipe and the main-fire injection pipe are respectively connected with a gas interface, the middle disc and the fire cover are installed and matched to form a combustion chamber, and the top surface of the fire cover is provided with a plurality of uniformly distributed strip-shaped fire outlet holes. Because the structural constraint of combustion chamber for main fire draws and penetrates a pipe length shorter in this patent, thereby draw to penetrate the distance short to it, draw to penetrate the power to cause the influence.

The Chinese invention patent with the patent number ZL201010270662 (with the publication number CN101936548B) discloses an upper air inlet gas stove, wherein a burner base is provided with a central ejector pipe, the upper surface of the burner base is provided with an annular groove, the side surface of the burner base is provided with an air supplementing hole, the bottom surface of the burner base is provided with support legs and is connected with two side ejector pipes, the lower end surface of an outer ring fire cover is provided with a circular annular channel, the outer circumference of the outer ring fire cover is provided with a fire hole, the central fire cover is erected in the center of the outer ring fire cover, the bottom of the gas ejector base is provided with a central gas nozzle and a central gas interface, and the upper surface of the gas. Though can follow the reinforcing through setting up two sides and draw penetrating power in this patent, set up two and draw and penetrate the pipe and not only make the structure of combustor complicated, led to the fact the restriction to further overall arrangement, the setting of combustor structure moreover, be unfavorable for the further improvement of combustor structure.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a gas burner with simple structure and strong injection force aiming at the prior art.

The second technical problem to be solved by the invention is to provide a gas stove with simple structure, easy cleaning and high combustion efficiency aiming at the prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: the gas burner with strong injection force is characterized by comprising an annular outer ring gas mixing cavity, wherein the outer ring gas mixing cavity is divided into at least two gas mixing sub-cavities along the circumferential direction, and each gas mixing sub-cavity is respectively connected with an outer ring injection pipe.

In order to further improve the injection capacity of each outer ring injection pipe, each outer ring injection pipe is arranged inwards obliquely downwards relative to the outer ring gas mixing cavity, and the gas inlet ports of the outer ring injection pipes are inwards converged. Therefore, the length of each outer ring injection pipe can be extended to the maximum extent, and the injection capacity of the outer ring injection pipe is guaranteed to the maximum extent.

Furthermore, each outer ring draws the center pin that the pipe inlet port was managed with outer ring gas mixing chamber and converges as the center, and the projection of the extending direction of each outer ring draws the pipe on the circle that outer ring gas mixing chamber belonged to is eccentric settings for this outer ring gas mixing chamber. Therefore, the airflow ejected by each outer ring ejection pipe has a certain tangential speed relative to the outer ring air mixing cavity, and the uniformity of flame is further facilitated.

The gas mixing device further comprises an inner ring gas mixing cavity and an inner ring injection pipe, wherein the gas inlet port of the inner ring injection pipe is communicated with any one of the gas mixing sub-cavities, and the gas outlet port of the inner ring injection pipe is communicated with the inner ring gas mixing cavity. The burner has the advantages that the structure is compact, the size is small, secondary injection can be performed on the inner ring, the injection performance is obviously improved, and a good injection effect is obtained.

Preferably, the volume of the gas-mixing sub-cavity connected with the inner ring injection pipe is smaller than that of other gas-mixing sub-cavities. On the basis of guaranteeing the requirement of inner ring fire combustion, the combustion efficiency of the outer ring and the uniformity of flame combustion are improved to the greatest extent.

Preferably, the inner ring gas mixing cavity is arranged above the convergence position of the gas inlet ports of the outer ring injection pipes. The design can further compact the whole structure of the combustor and further reduce the volume of the combustor.

Preferably, the burner comprises an annular cover plate and an annular outer ring base, wherein the outer ring base comprises an annular bottom wall, the inner edge of the annular bottom wall vertically or obliquely extends upwards to form an inner side wall, and fire outlet grooves which penetrate through the inner side wall and the outer side wall are formed in the top of the inner side wall at intervals along the circumferential direction; the cover plate comprises an annular wall which obliquely extends inwards from bottom to top, the lower side edge of the annular wall is inclined or vertically extends downwards to form a lower edge, the upper side edge of the annular wall is obliquely upwards inwards to form an upper edge, the cover plate is covered on the outer ring base to enclose the outer ring air mixing cavity, the upper edge is covered on the fire outlet groove to form an outer ring fire outlet, and the lower edge is placed on the outer side edge of the annular bottom wall.

Further, the inboard at the top of inside wall has the interior anchor ring that the outside-in slope downwardly extending along circumference, and the aforesaid goes out fire recess opening and incline towards same direction along circumference on this interior anchor ring to can form interior whirl fire structure on the outer loop, and then make the area of contact increase at flame and the bottom of a boiler, improve combustion efficiency.

Preferably, the upper edge is provided with fire outlet ports which correspond to the fire outlet grooves one by one and are used for spraying flames.

The technical scheme adopted by the invention for solving the second technical problem is as follows: a gas stove using the gas burner comprises a panel, an ignition needle, a thermocouple and a liquid bearing disc, wherein an opening for mounting the gas burner is formed in the panel; and the nozzle seat is provided with nozzles corresponding to the outer ring injection pipes one by one at the top, and a gas joint for connecting gas pipes is arranged at the bottom of the nozzle seat and inserted into the mounting hole of the liquid bearing disc.

Compared with the prior art, the invention has the advantages that: the outer ring gas mixing cavity is divided into at least two gas mixing sub-cavities along the circumferential direction, and each gas mixing sub-cavity is respectively connected with an outer ring injection pipe, namely each gas mixing sub-cavity injects airflow through an independent outer ring injection pipe, so that the injection capacity of the outer ring in the gas burner is enhanced. In the gas stove, the burner is inserted into the mounting hole through the gas joint to realize the positioning on the liquid bearing disc, and is supported on the liquid bearing disc through the supporting leg, in addition, the ignition needle and the thermocouple are arranged on the burner in a penetrating way, so that the burner can be integrally removed from the liquid bearing disc, and only the ignition needle and the thermocouple are left on the liquid bearing disc at the moment, and the gas stove is convenient to clean.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a schematic view of the structure of FIG. 1 in still another direction;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 6 is an exploded view of a burner according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a gas range according to an embodiment of the present invention;

FIG. 8 is an enlarged view of portion I of FIG. 7;

fig. 9 is a partial structural exploded view of a gas range according to an embodiment of the present invention;

FIG. 10 is a partial exploded view of section II of FIG. 9;

FIG. 11 is a schematic structural view of a nozzle holder in an embodiment of the present invention;

FIG. 12 is a schematic view of the structure of FIG. 11 in another direction;

FIG. 13 is a schematic view of the structure of FIG. 11 in still another direction;

FIG. 14 is an exploded view of a nozzle carrier according to an embodiment of the invention;

fig. 15 is a schematic structural view in another direction of fig. 14.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 15, a gas range includes a panel 81, a gas burner 100, an ignition needle 84, a thermocouple 83, and a liquid bearing disk 82. An opening 811 for mounting the gas burner 100 is opened in the face plate 81, the liquid receiving plate 82 is provided in the face plate 81 to cover the opening 811, a mounting hole 821a is opened in a portion of the liquid receiving plate 82 covering the opening 811, the ignition pin 84 and the thermocouple 83 are inserted into the opening 811, and the ignition pin 84 and the thermocouple 83 are vertically inserted into the liquid receiving plate 82.

The gas burner 100 includes an annular cover plate 11 and an annular outer ring base 12, the outer ring base 12 includes an annular bottom wall 121, an inner side edge of the annular bottom wall 121 extends vertically upwards to form an inner side wall 122, and a fire outlet groove 122a is formed at the top of the inner side wall 122 at intervals along the circumferential direction, and penetrates inside and outside. The cover plate 11 includes an annular wall 110 extending from bottom to top and inclining inwards, a lower edge of the annular wall 110 vertically extends downwards to form a lower edge 112, an upper edge of the annular wall 110 extends inwards and inclining upwards to form an upper edge 111, the cover plate 11 is covered on the outer ring base 12 to form an annular outer ring air mixing chamber 10, the upper edge 111 is covered on the fire outlet groove 111a to form the outer ring fire outlet 4, and the lower edge 112 rests on an outer edge of the annular bottom wall 121. Further, the inner side of the top portion of the inner side wall 122 has an inner ring surface 120 extending obliquely downward from the outside to the inside in the circumferential direction, the extending direction of the fire discharging groove 111a is inclined in the same direction in the circumferential direction,

the openings 811 of the fire outlet grooves 111a are formed on the inner ring surface 120, and the extending directions of the fire outlet grooves 111a are inclined in the same direction along the circumferential direction, so that the outer ring fire outlet holes 4 surrounded by the fire outlet grooves 111a and the upper edge 111 are inclined in the same direction along the circumferential direction on the inner ring surface 120, thereby forming an inner swirling structure on the outer ring, increasing the contact area between the flame and the bottom of the pot, and improving the combustion efficiency. In order to make the combustion flame be sprayed out better, the upper edge 111 is provided with fire outlets 122a which correspond to the fire outlet grooves 122a one-to-one and are used for spraying out the flame.

An inner ring base 6 with an open top is disposed at the center of the inner side of the outer ring base 12, the inner ring base 6 is a cylindrical structure with a bottom in the embodiment, an inner ring fire cover 5 is covered at the opening 811, and the outer ring base 12 is surrounded at the periphery by taking the inner ring base 6 as the center.

Four triangular separating blocks 123 are convexly arranged on the annular bottom wall 121 upwards so as to separate the outer ring gas mixing cavity 10 into four gas mixing sub-cavities, and each gas mixing sub-cavity is respectively connected with one outer ring injection pipe 2. Compared with the prior art that the outer ring gas mixing cavity 10 is connected with the total outer ring injection pipe 2, the invention can obviously enhance the injection capability of the outer ring in the gas burner 100. Further, for promoting each outer loop and draw the ability of penetrating pipe 2, each outer loop draws and penetrates pipe 2 and set up downwards for outer loop air mixing chamber 10 tilt inwards, and each outer loop draws the inlet port 201 that penetrates pipe 2 and inwards assembles, can extend the length that each outer loop draws and penetrates pipe 2 like this furthest to guarantee its ability of penetrating furthest. Specifically, the air inlet port 201 of each outer ring ejector pipe 2 converges with the central axis of the outer ring air mixing cavity 10 as the center, and the projection of the extending direction of each outer ring ejector pipe 2 on the circle where the outer ring air mixing cavity 10 is located is eccentrically arranged relative to the circle where the outer ring air mixing cavity 10 is located. Therefore, the airflow ejected by each outer ring ejection pipe 2 has a certain tangential speed relative to the outer ring air mixing cavity 10, and the uniformity of flame is further facilitated.

Outer loop ejector pipe 2 and inner ring ejector pipe 3 independent setting among the prior art, combustor 100 in this application still include inner ring air mixing chamber 60 and inner ring ejector pipe 3, and wherein inner ring air mixing chamber 60 is formed by above-mentioned inner ring fire lid 5 and 6 lids of inner ring base, and this inner ring ejector pipe 3's inlet port 301 and above-mentioned arbitrary one mix the gas and divide the chamber intercommunication, and its outlet port 302 and above-mentioned inner ring air mixing chamber 60 intercommunication. The burner 100 is compact in structure and small in size, secondary injection can be performed on the inner ring, injection performance is remarkably improved, and a good injection effect is obtained. In each gas-mixing sub-cavity, the three gas-mixing sub-cavities are close in size, and the volume of the gas-mixing sub-cavity connected with the inner ring injection pipe 3 is smaller than that of other gas-mixing sub-cavities. On the basis of guaranteeing the requirement of inner ring fire combustion, the combustion efficiency of the outer ring and the uniformity of flame combustion are improved to the greatest extent. Further, the inner ring air mixing chamber 60 is provided above the convergence point of the air inlet ports 201 of the outer ring ejector pipes 2. Such a design enables the overall structure of the burner 100 to be further compact, further reducing its volume. The top of the air inlet end of each outer ring injection pipe 2 is fixed with the bottom of the inner ring base 6, so that the combustor 100 forms an integral structure and is convenient to process and assemble.

The gas stove further comprises a nozzle seat 7, wherein the nozzle seat 7 is arranged below the inner ring base 6, four nozzles 70 which correspond to the outer ring injection pipes 2 one by one are arranged at the top of the nozzle seat 7, namely, each nozzle 70 is respectively opposite to the air inlet port 201 of each outer ring injection pipe 2. To avoid interference between the air streams from adjacent nozzles 70, a separating annular wall 76 is disposed between adjacent nozzles 70 in this embodiment. Further, the nozzle holder 7 includes an upper cap 71 and a lower holder 72, the nozzle 70 is provided on the top of the cap 71, a lower limit brim 713 is formed on the lower portion, and an upper gas chamber 710 having a downward opening 811 is formed therein. The seat body 72 is shaped like a circular truncated cone, the bottom of the seat body is provided with a gas joint, and a lower gas cavity 720 with an upward opening 811 is formed inside the seat body. When the cap body 71 is covered on the seat body 72, the upper gas cavity 710 and the lower gas cavity 720 are spliced to form an outer ring gas cavity. When the gas burner is installed, the gas joint is inserted into the installation hole 821a, so that the gas joint is connected with a gas pipe inside the gas stove, and the limit cap rim 713 is limited on the rim of the installation hole 821a, so that the limit of the nozzle holder 7 in the installation hole 821a is realized.

Like this, during the equipment, insert the gas joint of above-mentioned nozzle holder 7 in the mounting hole 821a, support combustor 100 on holding liquid dish 82 through each supporting legs 21, ignition needle 84 and thermocouple 83 pass the outer loop that corresponds respectively and draw the clearance between the injection pipe 2, can realize the location installation of gas combustor 100 on panel 81, and the location is accurate, and equipment convenient and fast only needs to take off gas combustor 100 when clean and exposes the department that corresponds that holds liquid dish 82 can, convenient and clean. In order to further facilitate the cleaning of the gas range, in this embodiment, the liquid receiving plate 82 is a flat plate, and further, a mounting boss 821 matched with the base is protruded at the center thereof, the upper ignition needle 84 and the thermocouple 83 are respectively inserted into the mounting boss 821, the mounting hole 821a is opened on the mounting boss 821, and the gas burner 100 is installed in alignment with the mounting boss 821. The liquid receiving plate 82 has a liquid blocking flange 822 formed by projecting upward from the peripheral edge thereof, and the liquid receiving ring groove 823 is defined by the liquid blocking flange 822 and the mounting boss 821.

In order to make the flame combustion on the outer ring and the inner ring more uniform, the gas joint comprises an outer ring gas joint 74 and an inner ring gas joint 73, and the outer ring gas joint 74 and the inner ring gas joint 73 are respectively used for connecting an outer ring gas pipe (not shown) and an inner ring gas pipe (not shown). The outer ring gas joint 74 is communicated with the outer ring gas cavity, wherein three nozzles 70 are communicated with the outer ring gas cavity, and the three nozzles 70 are respectively corresponding to the outer ring injection pipe 2 which is not communicated with the inner ring injection pipe 3. In addition, the cap body 71 and the seat body 72 are further assembled to form an inner ring gas cavity, the inner ring gas joint 73 is communicated with the inner ring gas cavity, the remaining nozzle 70 is communicated with the inner ring gas cavity, and the nozzle 70 is used for corresponding to the outer ring injection pipe 2 communicated with the inner ring injection pipe 3. The inner ring gas chamber is formed by vertically combining an upper gas chamber 711, which is formed to be opened downward with the cap body 71, and a lower gas chamber 721, which is formed to be opened upward with the seat body 72.

Claims

1. The gas burner with strong injection force is characterized by comprising an annular outer ring gas mixing cavity (10), wherein the outer ring gas mixing cavity (10) is divided into at least two gas mixing sub-cavities along the circumferential direction, and each gas mixing sub-cavity is respectively connected with an outer ring injection pipe (2).

2. The gas burner according to claim 1, characterized in that each outer ring ejector tube (2) is disposed obliquely inwardly and downwardly with respect to the outer ring air mixing chamber (10), and the air inlet ports (201) of each outer ring ejector tube (2) converge inwardly.

3. The gas burner according to claim 2, wherein the gas inlet ports (201) of the outer ring ejector pipes (2) converge with the central axis of the outer ring gas mixing chamber (10) as the center, and the projection of the extension direction of each outer ring ejector pipe (2) on the circle of the outer ring gas mixing chamber (10) is eccentrically arranged with respect to the circle of the outer ring gas mixing chamber (10).

4. The gas burner according to claim 2, further comprising an inner annular gas mixing chamber (60) and an inner annular ejector tube (3), wherein the inner annular ejector tube (3) has an inlet port (301) communicating with any one of the gas mixing subchambers and an outlet port (302) communicating with the inner annular gas mixing chamber (60).

5. The gas burner according to claim 4, characterized in that the volume of the gas mixing subchamber connected to the inner ring ejector tube (3) is smaller than the other gas mixing subchambers.

6. The gas burner according to claim 4, characterized in that said inner annular mixing chamber (60) is arranged above the convergence of the inlet ports (201) of the outer annular lances (2).

7. The gas burner of any one of claims 1 to 6, comprising an annular cover plate (11) and an annular outer ring base (12), wherein the outer ring base (12) comprises an annular bottom wall (121), the inner edge of the annular bottom wall (121) extends vertically or obliquely upwards to form an inner side wall (122), and the top of the inner side wall (122) is provided with fire outlet grooves (122a) which penetrate through the inner side wall and the outer side wall at intervals along the circumferential direction;

the cover plate (11) comprises an annular wall (110) which obliquely extends inwards from bottom to top, the lower edge of the annular wall (110) is inclined or vertically extends downwards to form a lower edge (112), the upper edge of the annular wall (110) obliquely extends inwards to form an upper edge (111), the cover plate (11) is covered on the outer ring base (12) to form the outer ring gas mixing cavity (10), the upper edge (111) is covered on the fire outlet groove (122a) to form an outer ring fire outlet hole (4), and the lower edge (112) is placed on the outer edge of the annular bottom wall (121).

8. The gas burner as claimed in claim 7, wherein the inner side of the top portion of said inner sidewall (122) has an inner annular surface (120) extending obliquely downward from the outside to the inside in the circumferential direction, and said fire discharging groove (122a) opens on said inner annular surface (120) and is inclined in the same direction in the circumferential direction.

9. The gas burner of claim 8, wherein said upper edge (111) is provided with flame outlet ports (111a) corresponding to said flame outlet grooves (122a) one by one for spraying flames.

10. A gas stove using the gas burner according to any one of claims 1 to 9, comprising a panel (81), an ignition needle (84), a thermocouple (83) and a liquid bearing disc (82), wherein the panel (81) is provided with an opening (811) for installing the gas burner (100), the gas stove is characterized in that the liquid bearing disc (82) is arranged on the panel (81) and covers the opening (811), the ignition needle (84) and the thermocouple (83) are respectively inserted into the opening (811), the ignition needle (84) and the thermocouple (83) vertically penetrate through the liquid bearing disc (82), supporting legs (21) are fixed at the bottom of each outer ring injection pipe (2), and each supporting leg (21) is respectively supported at the corresponding position of the liquid bearing disc (82);

and the liquid bearing plate further comprises a nozzle seat (7), the top of the nozzle seat (7) is provided with nozzles (70) corresponding to the outer ring injection pipes (2) one by one, the bottom of the nozzle seat (7) is provided with a gas joint used for connecting the gas pipes, and the gas joint is inserted into a mounting hole (821a) formed in the liquid bearing plate (82).