CN219693243U

CN219693243U - Burner for gas stove

Info

Publication number: CN219693243U
Application number: CN202320828544.1U
Authority: CN
Inventors: 龙艳; 刘敏; 陈翠翠; 程永超; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-09-15
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to a burner for a gas stove, which comprises a base and a fire cover connected with the base, wherein the base is provided with an ignition needle at a position adjacent to the peripheral wall of the fire cover, and the peripheral wall is provided with at least one ignition hole corresponding to the wall surface of the ignition needle, and is characterized in that: the top wall center of the fire cover is provided with a separation block in the gas mixing chamber, the separation block is provided with at least two separation ribs, a first area for guiding fuel gas to the ignition hole is formed between the two separation ribs, and compared with the prior art, the utility model has the advantages that: the separation block is arranged in the center of the top wall of the fire cover, and can directly collide with the fuel gas and the primary air flowing out of the fuel gas channel, so that the mixing degree of the fuel gas and the primary air is improved; in addition, the separation block also has a separation function, and the separation block is separated into a first area flowing to the ignition channel, so that a part of fuel gas in the gas mixing chamber flows to the ignition channel, and the ignition can be better realized.

Description

Burner for gas stove

Technical Field

The utility model relates to the technical field of household kitchen ware, in particular to a burner for a gas stove.

Background

Common household burners generally have an outer fire cover and an inner fire cover, and the functions of generating flame, maintaining flame and the like are realized together with elements such as an ignition needle, a thermocouple (or an ion induction needle with the same function) and the like. In addition, in the traditional ignition process of the gas cooker, the ejected gas is ignited through high-pressure discharge of the ignition needle, namely, an electric spark is generated by adopting an ignition needle head part, the gas ejected from the ignition hole is ignited, and then the gas on a fire cover is ignited, so that the ignition is completed, although the ignition is quicker, the problem that the flame is away or the ignition success rate is reduced is caused due to too fast flow velocity of the gas ejected from the ignition hole is solved, and in order to solve the problem that the flow velocity of the ignition hole is too fast, the inventor provides a Chinese patent application No. CN201820644812.3 (the authorized publication No. CN 209458942U) of a burner fire cover for the gas cooker and a burner using the burner cover, which discloses that a mixing chamber of a cover body is provided with a buffer chamber which is arranged in the mixing chamber of the gas cooker, so that the flame is prevented from being out of the mixing chamber, and the buffer chamber is designed; however, in addition to the buffer chamber, in order to avoid too fast a flow rate of the fuel gas ejected from the ignition hole, a new and improved manner is required, and further improvement in flame stabilization is required.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a burner for a gas stove, which can improve the ignition success rate, aiming at the state of the art.

The second technical problem to be solved by the present utility model is to provide a burner for a gas stove, which can improve flame holding of a fire cover.

The third technical problem to be solved by the present utility model is to provide a burner for a gas stove, which can improve the positioning of a fire cover, aiming at the state of the art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: this a combustor for gas-cooker, including the base and connect the fire lid on the base, the base is adjacent the position of the peripheral wall of fire lid is provided with the ignition needle, the peripheral wall corresponds the wall of ignition needle has seted up at least one ignition hole, the fire lid is including roof, adjacent this roof periphery downwardly extending the peripheral wall and by the gas mixing chamber that this roof and peripheral wall enclose, its characterized in that: the top wall center of the fire cover is provided with a separation block in the gas mixing chamber, the separation block is provided with at least two separation ribs, and a first area for guiding fuel gas to the ignition hole is formed between the two separation ribs.

In order to improve the ignition success rate of the ignition hole, preferably, the ignition hole extends inwards along the corresponding position of the peripheral wall to form a circle of annular wall, the annular wall forms an ignition channel communicated with the gas mixing chamber and the ignition hole, and an air inlet of the ignition channel is adjacent to the first area. The ignition channel can extend the ignition hole into the fire cover to form one end, which is equivalent to increasing the depth of the ignition hole, and can prevent the gas outlet speed of the ignition hole from being too fast, thereby causing flame separation.

In order to facilitate the fire discharging of the fire cover, the non-uniformity of the fire discharging caused by the turbulence generated after the mixed gas consisting of the fuel gas and the primary air enters the gas mixing chamber is avoided, and further, at least two fire discharging holes are formed in the peripheral wall of the fire cover at intervals along the circumferential direction, and a second area for guiding the fuel gas to the fire discharging holes is arranged on the opposite side of the first area of the separation block. The separation block has the dual functions of one object, firstly, the separation block is positioned in the center of the top wall of the fire cover and can directly collide with the fuel gas and the primary air flowing out of the fuel gas channel, so that the mixing degree of the separation block is improved; and secondly, the separation block also has a separation effect, and is separated into a first area flowing to the ignition channel and a second area opposite to the first area, so that the gas flowing to the ignition channel and the gas flowing to the fire outlet are separated, the disorder of the gas flowing is avoided, and the non-uniformity of the fire in the fire outlet of the fire cover can be reduced.

Also in order to prevent the gas outlet speed of the fire protection hole from being too fast, so as to cause flame separation, preferably, the outer peripheral wall of the fire cover is provided with a fire protection hole at the opposite side of the ignition hole, the position corresponding to the outer peripheral wall of the fire protection hole extends inwards to form a convex wall, the convex wall is provided with a communication hole communicated with the fire protection hole, and the separation block is connected with the convex wall.

The arrangement of the convex wall is equivalent to the increase of the depth of the fire protection hole, so that the gas outlet speed of the fire protection hole is prevented from being too high, and the flame is prevented from being lifted.

In order to solve the second technical problem, preferably, a circle of flame stabilizing grooves are arranged on the peripheral wall of the fire cover below the fire outlet holes, and at least two flame stabilizing holes communicated with the flame stabilizing grooves are arranged at intervals along the circumferential direction. The dual functions of the flame stabilizing groove and the flame stabilizing hole can enable the flame outlet hole of the flame cover to have better flame stabilizing performance.

Further, the base comprises a gas channel for providing gas for the gas mixing chamber of the fire cover, a circle of annular boss is arranged outside the pipe wall of the gas channel, and the annular boss is used for abutting the outer peripheral wall of the fire cover. The fire cover is directly placed on the annular boss, so that the fire cover is more convenient to position.

In order to solve the third technical problem, preferably, the base is provided with a positioning seat for positioning the ignition needle or the thermocouple. Thus, the ignition needle and the thermocouple can be conveniently positioned.

In order to improve stability of the positioning seat, preferably, the base is plate-shaped, a central hole for the gas channel to pass through is formed in the center of the base, the positioning seat is arranged at the edge of the base, and the cross section of the positioning seat is in a transverse U shape and comprises a transverse portion connected with the base, a bending portion bent downwards by the transverse portion and a mounting hole respectively arranged on the transverse portion and the bending portion.

In order to prevent the ignition hole or the ignition needle from being blocked by the overflow generated during the cooking, it is preferable that the top wall of the fire cover is outwardly extended in a radial direction of the fire cover with a convex edge shielding over the ignition hole and the ignition needle. The convex edge shields the overflow liquid.

In order to realize the function of containing the spilled liquid in the top of the fire cover, preferably, the bottom periphery of the convex edge extends upwards to form a convex ring, and the convex ring and the top surface of the convex edge are jointly surrounded to form a liquid containing groove for containing the spilled liquid. Therefore, when the fire cover is cleaned, cleaning overflow liquid can be intensively carried out on the top of the fire cover.

Compared with the prior art, the utility model has the advantages that: the separation block is arranged in the center of the top wall of the fire cover, and can directly collide with the fuel gas and the primary air flowing out of the fuel gas channel, so that the mixing degree of the fuel gas and the primary air is improved; in addition, the separation block also has a separation function, and the separation block is separated into a first area flowing to the ignition channel, so that a part of fuel gas in the gas mixing chamber flows to the ignition channel, and the ignition can be better realized.

Drawings

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

FIG. 2 is a schematic view of a fire cover according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a fire cover in an embodiment of the utility model;

FIG. 4 is an exploded schematic view of FIG. 1;

FIG. 5 is a schematic view of a base structure according to an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a burner in an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 6, is a preferred embodiment of the present utility model. The burner for a gas stove of the embodiment comprises a base 1 and a fire cover 2 connected to the base 1, wherein the base 1 is provided with an ignition needle 3 at a position adjacent to an outer peripheral wall 23 of the fire cover 2, the outer peripheral wall 23 is provided with at least one ignition hole 21 corresponding to the wall surface of the ignition needle 3, wherein the fire cover 2 comprises a top wall 22, an outer peripheral wall 23 extending downwards adjacent to the periphery of the top wall 22 and a gas mixing chamber 24 surrounded by the top wall 22 and the outer peripheral wall 23, a separation block 4 is arranged in the center of the top wall 22 of the fire cover 2 in the gas mixing chamber 24, the separation block 4 is provided with at least two separation ribs 41, a first area 42 for guiding gas to the ignition hole 21 is formed between the two separation ribs 41, and the separation block 4 can directly collide with the gas and primary air flowing out of a gas channel 6 through the center of the top wall 22 of the fire cover 2, so that the mixing degree of the mixture is improved; the separating block 4 also has a separating effect, which is separated into a first area 42 flowing to the ignition channel, so that a part of the fuel gas in the gas mixing chamber 24 flows to the ignition channel, and ignition can be realized better.

Specifically, in order to improve the ignition success rate of the ignition hole 21, a ring of annular wall 25 is formed by extending the ignition hole 21 inwardly along the corresponding position of the peripheral wall 23, the annular wall 25 forms an ignition channel communicating with the air mixing chamber 24 and the ignition hole 21, the air inlet of the ignition channel is adjacent to the first area 42, the ignition channel can extend the ignition hole 21 into the fire cover 2 by one end length, which is equivalent to increasing the depth of the ignition hole 21, and can prevent the air outlet speed of the ignition hole 21 from being too fast, thereby causing flame holding. While the peripheral wall 23 of the fire cover 2 is provided with at least two fire outlets 26 at intervals in the circumferential direction, the separation block 4 is provided with a second zone 27 on the opposite side of the first zone 42 for guiding the fuel gas to the fire outlets 26. The separation block 4 has the function of one object, firstly, the separation block 4 is positioned in the center of the top wall 22 of the fire cover 2 and can directly collide with the fuel gas and the primary air flowing out of the fuel gas channel 6, so that the mixing degree of the fuel gas and the primary air is improved; the separation block 4 also has a separation function, and is separated into a first area 42 flowing to the ignition channel and a second area 27 opposite to the first area 42, so that the gas flowing to the ignition channel and the gas flowing to the fire outlet 26 are separated, disorder of gas flow is avoided, non-uniformity of fire in the gas outlet 26 of the fire cover 2 can be reduced, the fire outlet of the fire cover 2 is facilitated, meanwhile, non-uniformity of fire is not caused by disorder generated after the mixed gas consisting of the gas and the primary air enters the gas mixing chamber 24, in order to prevent the gas outlet speed of the fire protection hole 28 from being too fast, flame is prevented from being separated, the outer peripheral wall 23 of the fire cover 2 is provided with a fire protection hole 28 at the opposite side of the ignition hole 21, the position corresponding to the outer peripheral wall 23 of the fire protection hole 28 extends inwards to form a convex wall 5, a communication hole 51 communicated with the fire protection hole 28 is formed on the convex wall 5, and the separation block 4 is connected with the convex wall 5. The arrangement of the convex wall 5 is equivalent to the increase of the depth of the fire protection hole 28, so that the gas outlet speed of the fire protection hole 28 is prevented from being too high, the flame is prevented from being separated, and the fire protection hole 28 is ensured to be a long-term open flame. In addition to the ignition and flame holding power of the ignition holes 21 and the holding holes 28 of the fire cover 2, it is also necessary to achieve flame holding of the fire cover 2, wherein a circle of flame holding grooves 29 are provided in the outer peripheral wall 23 of the fire cover 2 below the flame outlet holes 26, and at least two flame holding holes 20 communicating with the flame holding grooves 29 are provided at intervals in the circumferential direction. The dual function of the flame stabilizing groove 29 and the flame stabilizing hole 20 can enable the flame outlet hole 26 of the flame cover 2 to have better flame stabilizing performance. Correspondingly, the base 1 comprises a gas channel 6 for providing gas for the gas mixing chamber 24 of the fire cover 2, a circle of annular boss 61 is arranged outside the pipe wall of the gas channel 6, the annular boss 61 is used for abutting against the peripheral wall 23 of the fire cover 2, and the fire cover 2 can be placed on the annular boss 61 by utilizing the annular boss 61, so that the fire cover 2 can be positioned more conveniently. In order to facilitate the positioning of the ignition needle 3 and the thermocouple, the base 1 of the present embodiment is provided with a positioning seat 7 for positioning the ignition needle 3 or the thermocouple, and the base 1 is plate-shaped, because the injection pipe for providing the fuel gas is directly connected with the fuel gas channel 6, therefore, the base 1 can be made thin, and a central hole 10 for the fuel gas channel 6 to pass through is arranged in the center of the base 1, the positioning seat 7 is arranged at the edge of the base 1, the cross section of the positioning seat 7 is in a transverse U shape, and comprises a transverse portion 71 connected with the base 1, a bending portion 72 bent downwards by the transverse portion 71, and a mounting hole 73 respectively arranged on the transverse portion 71 and the bending portion 72.

Since the spilled liquid generated during the cooking process easily blocks the ignition hole 21 or affects the ignition needle 3, in order to prevent the spilled liquid generated during the cooking process from blocking the ignition hole 21 or the ignition needle 3, the top wall 22 of the fire cover 2 extends outwards along the radial direction of the fire cover 2 to form a convex edge 8 above the ignition hole 21 and the ignition needle 3, and the convex edge 8 can shield the spilled liquid. Finally, in order to realize that the top of the fire cover 2 also has the function of containing the overflowed liquid, the periphery of the bottom of the convex edge 8 is upwards extended to form a convex ring 81, and the convex ring 81 and the top surface of the convex edge 8 are jointly enclosed to form a liquid containing groove 82 for containing the overflowed liquid, so that the top of the fire cover 2 can be intensively cleaned when the fire cover 2 is cleaned.

To sum up, the fire cover 2 of the burner is the inner fire cover 2, and of course, the burner can also be arranged in the outer fire cover 2, when the fuel gas and the primary air provided by the injection pipe flow into the gas mixing chamber 24 of the fire cover 2 through the fuel gas channel 6, the fuel gas and the primary air are firstly impacted into the separation block 4 to be mixed again, and then the separation block 4 is provided with at least two separation ribs 41 to guide the fuel gas to the first area 42 of the ignition hole 21 and the second area 27 of the guide fire outlet hole 26, so that the fuel gas flowing to the ignition channel and the fire outlet hole 26 are separated, the disorder of the airflow flowing is avoided, and finally, the success rate of ignition and the uniformity of fire outlet are improved.

Claims

1. The utility model provides a combustor for gas-cooker, is including base (1) and connecting fire lid (2) on base (1), base (1) is adjacent the position of outer perisporium (23) of fire lid (2) is provided with ignition needle (3), outer perisporium (23) correspond the wall of ignition needle (3) has seted up at least one ignition hole (21), fire lid (2) are including roof (22), adjacent this roof (22) periphery downwardly extending outer perisporium (23) and by this roof (22) and gas mixing chamber (24) that outer perisporium (23) enclose, its characterized in that: the top wall (22) of the fire cover (2) is provided with a separation block (4) in the center of the gas mixing chamber (24), the separation block (4) is provided with at least two separation ribs (41), and a first area (42) for guiding fuel gas to the ignition hole (21) is formed between the two separation ribs (41).

2. The burner for a gas range according to claim 1, wherein: the ignition holes (21) are inwards extended along the corresponding positions of the peripheral wall (23) to form a circle of annular wall (25), the annular wall (25) forms an ignition channel communicated with the gas mixing chamber (24) and the ignition holes (21), and an air inlet of the ignition channel is adjacent to the first area (42).

3. The burner for a gas range according to claim 2, wherein: at least two fire outlets (26) are formed in the peripheral wall (23) of the fire cover (2) at intervals along the circumferential direction, and a second area (27) for guiding fuel gas to the fire outlets (26) is formed on the opposite side of the first area (42) of the separation block (4).

4. A burner for a gas range according to claim 3, wherein: the outer peripheral wall (23) of the fire cover (2) is provided with a fire protection hole (28) at the opposite side of the ignition hole (21), the fire protection hole (28) inwards extends to the corresponding position of the outer peripheral wall (23) to form a convex wall (5), a communication hole (51) communicated with the fire protection hole (28) is formed in the convex wall (5), and the separation block (4) is connected with the convex wall (5).

5. The burner for a gas range according to claim 4, wherein: the outer peripheral wall (23) of the fire cover (2) is provided with a circle of flame stabilizing grooves (29) below the fire outlet holes (26), and at least two flame stabilizing holes (20) communicated with the flame stabilizing grooves (29) are arranged at intervals along the circumferential direction.

6. The burner for a gas range according to any one of claims 1 to 5, wherein: the base (1) comprises a gas channel (6) for providing gas for the gas mixing chamber (24) of the fire cover (2), a circle of annular boss (61) is arranged outside the pipe wall of the gas channel (6), and the annular boss (61) is used for abutting against the peripheral wall (23) of the fire cover (2).

7. The burner for a gas range according to claim 6, wherein: the base (1) is provided with a positioning seat (7) for positioning the ignition needle (3) or the thermocouple.

8. The burner for a gas range according to claim 7, wherein: the gas burner is characterized in that the base (1) is plate-shaped, a central hole (10) for the gas passage (6) to pass through is formed in the center of the base (1), the positioning seat (7) is arranged at the edge of the base (1), and the cross section of the positioning seat (7) is in a transverse U shape and comprises a transverse portion (71) connected with the base (1), a bending portion (72) bent downwards by the transverse portion (71) and a mounting hole (73) respectively arranged on the transverse portion (71) and the bending portion (72).

9. The burner for a gas range according to claim 8, wherein: the top wall (22) of the fire cover (2) is outwards extended along the radial direction of the fire cover (2) to form a convex edge (8) which is blocked above the ignition hole (21) and the ignition needle (3).

10. The burner for a gas range according to claim 9, wherein: the bottom periphery of the convex edge (8) extends upwards to form a convex ring (81), and the convex ring (81) and the top surface of the convex edge (8) are jointly surrounded to form a liquid containing groove (82) for containing overflow liquid.