CN217004467U

CN217004467U - Burner for gas stove

Info

Publication number: CN217004467U
Application number: CN202121476315.5U
Authority: CN
Inventors: 刘帅; 蔡国汉; 俞瑜; 朱志新
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-06-30
Filing date: 2021-06-30
Publication date: 2022-07-19
Anticipated expiration: 2031-06-30
Also published as: CN216557136U; CN216557135U; CN113864784A; CN216307785U

Abstract

The utility model relates to a burner for a gas stove, which comprises a mounting seat and is characterized in that: the mounting seat has a protection seat protruding out of the surface of the mounting seat at a position corresponding to the ignition needle and/or the thermocouple, the protection seat comprises a seat body and a mounting hole arranged in the seat body for mounting the ignition needle and/or the thermocouple, and the ignition needle and/or the thermocouple are at least partially supported on the top end of the seat body.

Description

Burner for gas stove

Technical Field

The utility model relates to a burner of a gas cooker, in particular to a burner for a first gas stove.

Background

A common household burner generally has an outer fire cover and an inner fire cover, and together with an ignition needle, a thermocouple (or an ion sensing needle with the same function), and other elements, realizes the functions of generating flame, maintaining flame, and the like. The outer fire lid structure of current combustor generally includes the outer first fire lid that has a plurality of main fire passageways, and outer first fire lid lower terminal surface has the gas mixing chamber, and this gas mixing chamber and main fire passageway intercommunication, main fire passageway are at the outer terminal surface formation main fire hole of outer first fire lid. However, overflow liquid easily enters the main fire hole or the flame stabilizing hole to block the main fire channel or the flame stabilizing channel, the gas stove is not ignited when the blocked fire hole corresponds to the vicinity of the ignition needle, the gas stove cannot maintain flame when the blocked fire hole corresponds to the vicinity of the thermocouple (or the ion induction needle with the same function), particularly, an upper air inlet burner is adopted, after a burner head is taken out during cleaning, only the liquid containing disc which is basically in a plane and the ignition needle or the thermocouple are left, and most of the ignition needle or the thermocouple are exposed on the liquid containing disc, so that a user easily collides the ignition needle and/or the thermocouple in the cleaning process, and the maintenance rate of the ignition needle and/or the thermocouple is increased.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a burner for a gas stove, which can improve the success rate of ignition or fire protection in view of the current technical situation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this a combustor for gas-cooker, including the mount pad, its characterized in that: the installation seat is provided with a protection seat protruding out of the surface of the installation seat at a position corresponding to the ignition needle and/or the thermocouple, the protection seat comprises a seat body and an installation hole arranged in the seat body and used for installing the ignition needle and/or the thermocouple, and at least part of the ignition needle and/or the thermocouple is supported on the top end of the seat body.

In order to further reduce the exposed portion of the ignition needle and/or the thermocouple exposed out of the mounting seat, it is preferable that the mounting seat is further provided with:

the first air mixing chamber is positioned in the center of the mounting seat;

the second air mixing chamber is positioned at the periphery of the first air mixing chamber;

a connecting part, which connects the first gas mixing chamber and the second gas mixing chamber, wherein the connecting part is provided with at least one connecting hole corresponding to the ignition needle and/or the thermocouple; and

the limiting seat is arranged on the lower surface of the connecting portion and comprises an outer wall, the outer wall is enclosed to form a cavity used for containing the protecting seat, and the lower periphery of the outer wall is at least abutted to the outer surface of the protecting seat. The height of the outer wall of the limiting seat can compensate a part, namely the outer wall of the limiting seat blocks the exposed part of the ignition needle and/or the thermocouple, so that the exposed part of the ignition needle and/or the thermocouple is less to play a role in protection, the phenomenon that a user easily collides with the ignition needle and/or the thermocouple in the cleaning process can be prevented, the ignition or fire-keeping success rate is improved, and meanwhile, the maintenance rate of the ignition needle and/or the thermocouple is reduced.

Furthermore, the side part of the limiting seat is also provided with a first supporting leg which supports the connecting part on the mounting seat, and the first supporting leg enables the lower periphery of the outer wall of the limiting seat to be spaced from the mounting seat. Wherein first supporting legs will be formed with the interval between spacing seat and the mount pad, because connecting portion are the part of connecting first gas mixing chamber and second gas mixing chamber an organic whole, and spacing seat is located the connecting seat lower surface, will be formed with the interval between spacing seat and the mount pad through first supporting legs, first gas mixing chamber and second gas mixing chamber then are the point contact through first supporting legs with the mount pad like this, prevent that the burning heat that produces from leading to on the mount pad among the combustion process, arouse the temperature rise of cooking utensils panel.

In order to further improve the ignition success rate of the ignition needle and the flame protection rate of the ignition needle or the thermocouple and simultaneously prolong the service life of the ignition needle or the thermocouple, preferably, the first gas mixing chamber comprises a base arranged on the mounting seat and a first flame cover covering the base, the base is in a C shape, the base comprises a C-shaped outer wall and a C-shaped inner wall connecting the ends of the C-shaped outer wall, the C-shaped inner wall surrounds a cavity for accommodating the ignition needle and the/or the thermocouple, the first flame cover comprises an annular peripheral wall, the annular peripheral wall comprises a first wall part which is locally and radially inwardly contracted, and at least one through hole is formed in the first wall part at a position corresponding to the ignition needle and the/or the thermocouple. The base is provided with a through hole corresponding to the contracted part of the burner fire cover, so that the ignition needle and/or the thermocouple are hidden in the C-shaped cavity of the base to improve the use environment of the ignition needle and/or the thermocouple, on one hand, the overflowing liquid can be prevented from entering the through hole, on the other hand, the ignition needle and the thermocouple can be protected effectively without being influenced by the surrounding wind, further, the ignition success rate of the ignition needle and/or the fire retention rate of the thermocouple are improved, and simultaneously, the service life of the ignition needle and/or the thermocouple can be prolonged.

In order to keep the concentricity of the first ejector and the first injection pipe, preferably, the mounting seat is further provided with a first injection pipe of which the air outlet is communicated with the first air mixing chamber and a first ejector of which the air inlet is communicated with the air inlet of the first injection pipe, the first ejector is limited on a first nozzle seat extending out of the upper part of the mounting seat, the first nozzle seat is provided with a first positioning part for positioning the second air mixing chamber, and correspondingly, the bottom of the second air mixing chamber is provided with a first notch for positioning the first positioning part. The first positioning part of the first nozzle seat is positioned in the first notch of the second air mixing chamber, the positioning function of the limiting seat and the protecting seat can be matched, and the first ejector and the first injection pipe can be always kept on the same axis once the positions of the limiting seat and the protecting seat are determined.

In order to realize that the first air mixing chamber and the second air mixing chamber can be better supported on the mounting seat, preferably, the bottom of the first injection pipe is provided with a second supporting foot which plays a supporting role together with the first supporting foot.

In order to further more stably realize that the first air mixing chamber and the second air mixing chamber are better supported on the mounting seat, preferably, a second injection pipe is further arranged on the mounting seat, an air outlet of the second injection pipe is communicated with the second air mixing chamber, and a third supporting leg which jointly plays a supporting role with the first supporting leg and the second supporting leg is arranged at the bottom of the second injection pipe. The first notch and the second notch of the second gas mixing chamber are respectively positioned with the first positioning part and the second positioning part, so that the first injection seat and the second injection seat can have the functions of supporting and positioning besides positioning the respective injectors, and the connecting parts of the whole combustor are reduced.

Compared with the prior art, the utility model has the advantages that the protection seat which protrudes out of the surface of the mounting seat is arranged on the mounting seat corresponding to the ignition needle and/or the thermocouple, on one hand, the protection seat can at least partially hide the ignition needle and/or the thermocouple in the protection seat to shorten the exposed length of the ignition needle and/or the thermocouple outside the mounting seat, on the other hand, the ignition needle and the thermocouple can be effectively protected from the surrounding wind power or cleaning, the ignition needle and the thermocouple are further improved, the ignition success rate of the ignition needle and/or the ignition rate of the thermocouple are further improved, and the service life of the ignition needle and/or the thermocouple can be prolonged.

Drawings

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

FIG. 2 is a schematic structural view of the fire cover and the mounting seat 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 diagram of a first ejector pipe and a second ejector pipe in an embodiment of the utility model;

fig. 6 is a schematic structural diagram of a mounting base in an embodiment of the utility model.

Detailed Description

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

As shown in FIGS. 1 to 6, the preferred embodiment of the present invention is shown. The burner for a gas range of this embodiment includes a mounting seat 1, the mounting seat 1 having a protection seat 4 protruded from a surface of the mounting seat 1 at a position corresponding to an ignition needle 2 and/or a thermocouple 3, the protection seat 4 including a seat body 41 and a mounting hole 42 provided in the seat body 41 for mounting the ignition needle 2 and/or the thermocouple 3, the ignition needle 2 and/or the thermocouple 3 being supported at least partially on a tip of the seat body 41, the protection seat 4 being capable of hiding the ignition needle 2 and/or the thermocouple 3 at least partially in the protection seat 4 by having the protection seat 4 protruded from the surface of the mounting seat 1 at a position corresponding to the ignition needle 2 and/or the thermocouple 3 on the mounting seat 1, on the one hand, to shorten an exposed length of the ignition needle 2 and/or the thermocouple 3 outside the mounting seat 1, and on the other hand, to prevent the ignition needle 2 and/or the thermocouple 3 from surrounding wind force or cleaning, The thermocouple 3 and the ignition needle 2 are effectively protected, so that the ignition success rate of the ignition needle 2 and/or the fire retention rate of the thermocouple 3 are improved, and the service life of the ignition needle 2 and/or the thermocouple 3 can be prolonged.

Specifically, in order to further reduce the exposed portion of the ignition needle 2 and/or the thermocouple 3 exposed out of the mounting seat 1, the mounting seat 1 of this embodiment is further provided with a first gas mixing chamber 5 located at the center of the mounting seat 1, a second gas mixing chamber 6 located at the periphery of the first gas mixing chamber 5, and a connecting portion 7 connecting the first gas mixing chamber 5 and the second gas mixing chamber 6, wherein the connecting portion 7 is provided with at least one connecting hole 71 corresponding to the ignition needle 2 and/or the thermocouple 3; and the limiting seat 8 is arranged on the lower surface of the connecting part 7, the limiting seat 8 comprises an outer wall 810, the outer wall 810 encloses a cavity for accommodating the protection seat 4, and the lower periphery of the outer wall 810 at least abuts against the outer surface of the protection seat 4. The height of the outer wall 810 of the limiting seat 8 can compensate a part of the outer wall, namely, the outer wall blocks the exposed part of the ignition needle 2 and/or the thermocouple 3, so that the exposed part of the ignition needle 2 and/or the thermocouple 3 is less to play a role of protection, thereby preventing a user from easily colliding with the ignition needle 2 and/or the thermocouple 3 in the cleaning process, improving the success rate of ignition or fire protection, and reducing the maintenance rate of the ignition needle 2 and/or the thermocouple 3. In addition, the side of the limiting seat 8 is further provided with a first supporting leg 82 for supporting the connecting part 7 on the mounting seat 1, the first supporting leg 82 enables the lower periphery of the outer wall 810 of the limiting seat 8 to have a space with the mounting seat 1, the first supporting leg 82 forms a space between the limiting seat 8 and the mounting seat 1, the connecting part 7 is a part for integrally connecting the first air mixing chamber 5 and the second air mixing chamber 6, the limiting seat 8 is located on the lower surface of the connecting seat, and the first supporting leg 82 forms a space between the limiting seat 8 and the mounting seat 1, so that the first air mixing chamber 5 and the second air mixing chamber 6 are in point contact with the mounting seat 1 through the first supporting leg 82, and combustion heat generated in the combustion process is prevented from being conducted to the mounting seat 1 to cause temperature rise of the cooker panel.

In order to further improve the ignition success rate of the ignition needle 2 and/or the ignition retention rate of the thermocouple 3 and also to extend the service life of the ignition needle 2 and/or the thermocouple 3, preferably, the first gas mixing chamber 5 includes a base 51 disposed on the mounting base 1 and a first cap 52 covering the base 51, the base 51 is C-shaped, the base 51 includes a C-shaped outer wall 511 and a C-shaped inner wall 512 connecting ends of the C-shaped outer wall 511, the C-shaped inner wall 512 encloses a cavity for accommodating the ignition needle 2 and/or the thermocouple 3, the first cap 52 includes an annular peripheral wall, the annular peripheral wall includes a first wall portion 521 partially retracted radially inward, and at least one through hole 521a is formed in a position of the first wall portion 521 corresponding to the ignition needle 2 and/or the thermocouple 3. The base 51 has a through hole 71 opposite to the inner contracted portion of the burner cap, so that the ignition needle 2 and/or the thermocouple 3 are hidden in the C-shaped cavity of the base 51 to improve the use environment of the ignition needle 2 and/or the thermocouple 3, on one hand, the overflow can be prevented from entering the through hole 71, on the other hand, the ignition needle 2 and the thermocouple 3 can be protected from the surrounding wind, the thermocouple 3 and the ignition needle 2 are effectively protected, the ignition success rate and/or the fire retention rate of the thermocouple 3 of the ignition needle 2 are improved, and the service life of the ignition needle 2 and/or the thermocouple 3 can be prolonged. Besides the above-mentioned middle limit seat 8 can protect the ignition needle 2 and/or the thermocouple 3 from the surrounding wind or from being affected by cleaning, it also has the function of keeping the concentricity of the first injector 700 and the first injection pipe 600, and specifically: because the ignition needle 2 and the flame igniter 3 are located on the first wall portion 521 of the C-shaped base 51 of the mounting seat 1, the first wall portion 521 of the C-shaped base 51 is directly opposite to the first ejector 700, and the lower periphery of the outer wall 810 of the limiting seat 8 is abutted against the outer surface of the protecting seat 4, it can be ensured that the position of the C-shaped base 51 does not change, that is, the position of the outlet end of the first injection pipe 600 is fixed, then the first positioning portion 81 of the first injection seat is positioned on the first notch 60 at the bottom of the second air mixing chamber 6, it can be ensured that the position of the inlet end of the first injection pipe 600 is fixed, once the positions of the first injection pipe 700 and the first injection pipe 600 are determined, the first injection pipe 700 and the first injection pipe 600 can be always kept on the same axis, and the concentricity of the first injection pipe 700 is ensured.

Finally, in order to realize that the first air mixing chamber 5 and the second air mixing chamber 6 can be better supported on the mounting seat 1, the bottom of the first injection pipe 600 is preferably provided with a second supporting leg 61 which plays a supporting role together with the first supporting leg 82. And in order to further realize that the first air mixing chamber 5 and the second air mixing chamber 6 are better supported on the mounting seat 1 more stably, a second injection pipe 9 communicated with the second air mixing chamber 6 through an air outlet is further arranged on the mounting seat 1, a third supporting leg 91 which plays a supporting role together with the first supporting leg 82 and the second supporting leg 61 is arranged at the bottom of the second injection pipe 9, and correspondingly, a second notch 64 for positioning the second positioning part is arranged at the bottom of the second air mixing chamber 6. By positioning the first notch 60 and the second notch 64 of the second air mixing chamber 6 with the first positioning portion 81 and the second positioning portion 85, the first injection seat 86 and the second injection seat 87 can have the functions of supporting and positioning besides positioning the respective injectors, and connecting parts of the whole combustor can be reduced.

Claims

1. The utility model provides a combustor for gas-cooker, including mount pad (1), its characterized in that: the mounting seat (1) is provided with a protective seat (4) protruding out of the surface of the mounting seat (1) at a position corresponding to the ignition needle (2) and/or the thermocouple (3), the protective seat (4) comprises a seat body (41) and a mounting hole (42) arranged in the seat body (41) for mounting the ignition needle (2) and/or the thermocouple (3), and the ignition needle (2) and/or the thermocouple (3) are at least partially supported on the top end of the seat body (41).

2. Burner for gas cooktops, according to claim 1, characterized in that: the mounting seat (1) is further provided with:

the first air mixing chamber (5) is positioned in the center of the mounting seat (1);

the second air mixing chamber (6) is positioned at the periphery of the first air mixing chamber (5);

a connecting part (7) connecting the first gas mixing chamber (5) and the second gas mixing chamber (6), wherein the connecting part (7) is provided with at least one connecting hole (71) corresponding to the ignition needle (2) and/or the thermocouple (3); and

the limiting seat (8) is arranged on the lower surface of the connecting portion (7) and comprises an outer wall (810), the outer wall (810) is enclosed to form a cavity for containing the protecting seat (4), and the lower periphery of the outer wall (810) is at least abutted to the outer surface of the protecting seat (4).

3. Burner for gas cooktops according to claim 2, characterized in that: the side part of the limiting seat (8) is also provided with a first supporting leg (82) which supports the connecting part (7) on the mounting seat (1), and the lower periphery of the outer wall (810) of the limiting seat (8) is spaced from the mounting seat (1) by the first supporting leg (82).

4. Burner for gas cooktops according to claim 3, characterized in that: the first air mixing chamber (5) comprises a base (51) arranged on the mounting seat (1) and a first fire cover (52) covering the base (51), the base (51) is in a C shape, the base (51) comprises a C-shaped outer wall (511) and a C-shaped inner wall (512) connecting the end part of the C-shaped outer wall (511), the C-shaped inner wall (512) surrounds a cavity for accommodating the ignition needle (2) and/or the thermocouple (3), the first fire cover (52) comprises an annular peripheral wall, the annular peripheral wall comprises a first wall part (521) which is partially retracted inwards in the radial direction, and at least one through hole (521a) is formed in the first wall part (521) corresponding to the ignition needle (2) and/or the thermocouple (3).

5. Burner for gas cooktops, according to claim 4, characterized in that: the mounting seat (1) is further provided with a first injection pipe (600) with an air outlet communicated with the first air mixing chamber (5) and a first ejector (700) communicated with an air inlet of the first injection pipe (600), the first ejector (700) is limited on a first nozzle seat (800) extending out of the upper portion of the mounting seat (1), a first positioning portion (81) used for positioning the second air mixing chamber (6) is arranged on the first nozzle seat (800), and correspondingly, a first notch (60) used for positioning the first positioning portion (81) is formed in the bottom of the second air mixing chamber (6).

6. Burner for gas cooktops according to claim 5, characterized in that: the bottom of the first injection pipe (600) is provided with a second supporting leg (61) which plays a supporting role together with the first supporting leg (82).

7. Burner for gas cooktops according to claim 6, characterized in that: the mounting seat (1) is further provided with a second injection pipe (9) communicated with the second gas mixing chamber (6) through a gas outlet, and the bottom of the second injection pipe (9) is provided with a third supporting leg (91) which jointly supports the first supporting leg (82) and the second supporting leg (61).