CN215570441U

CN215570441U - Burner for gas stove

Info

Publication number: CN215570441U
Application number: CN202120814534.3U
Authority: CN
Inventors: 兰华
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-01-18
Anticipated expiration: 2031-04-20

Abstract

The utility model relates to a burner for a gas stove, which comprises a base, wherein an ejector positioned in the center is arranged on the base, and the burner is characterized in that: the fire cover is arranged on the convex wall of the bowl body of the connecting body and forms a gas mixing chamber together with the bowl body; the central position of the bowl body is provided with an injection pipe, the injection pipe comprises an air outlet end communicated with the gas mixing cavity, an air inlet end arranged opposite to the ejector and an adjusting piece, and the adjusting piece can move relative to the air outlet end of the injection pipe so as to change the air outlet area of the air outlet end of the injection pipe. The gas outlet end of the injection pipe of the burner is provided with an adjusting piece, and the gas outlet area of the gas outlet end of the injection pipe is changed in the process of moving relative to the gas outlet end of the injection pipe, so that the required air quantity can be adjusted according to different combustion working conditions.

Description

Burner for gas stove

Technical Field

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

Background

Among the current patent if chinese utility model patent of patent number ZL201520047530.1 (the grant bulletin number is CN 204534589U) go up air distributor its discloses an upward air distributor, it is including the branch fire dish that has central venthole and outer lane venthole, set up at the lower surface of branch fire dish with central venthole and the communicating gas mixing pipe of outer lane venthole, this gas mixing pipe's one end opening, the support frame is installed to the below of branch fire dish, be equipped with the admission nozzle that meets with gas pipeline and with the corresponding gas shower nozzle of gas mixing pipe on the support frame, the gas can spout into the gas mixing pipe, leave the air inlet clearance between gas mixing pipe and the gas shower nozzle, the support frame bottom is equipped with the stabilizer blade, makes the distributor upwards outstanding, and the air inlet clearance appears in the kitchen face top. However, since the intake gap is exposed above the cooking surface, more air can enter the air mixing pipe to promote the sufficient combustion of the burner, but in order to adjust the required air amount more reasonably according to different combustion conditions, the existing burner needs to be further limited.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a burner for a gas stove, which can adjust the required air amount according to different combustion conditions, in view of the above-mentioned current state of the art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this a combustor for gas-cooker including:

the base, be provided with the sprayer that is located central authorities on the base, its characterized in that:

also includes:

the connecting body is arranged on the base and comprises a bowl body, and a convex wall is arranged on the periphery of the bowl body;

the fire cover is arranged on the convex wall of the bowl body of the connecting body and forms a gas mixing chamber together with the bowl body;

the ejector pipe is arranged in the center of the bowl body and comprises an air outlet end communicated with the air mixing chamber and an air inlet end arranged opposite to the ejector; and

the adjusting piece is arranged on the fire cover, at least partially extends into the air outlet end of the injection pipe, and can move relative to the air outlet end of the injection pipe, so that the air outlet area of the air outlet end of the injection pipe is changed.

In order to gradually change the air outlet area of the air outlet end of the ejector pipe, preferably, the adjusting part includes a tip portion capable of extending into the air outlet end of the ejector pipe, and the tip portion gradually increases along the fuel gas injection direction of the injector. Wherein, the tip portion of regulating part is crescent along the gas injection direction of sprayer gradually to constitute "toper" regulating part, the tip portion of regulating part is coaxial with the gas air current that the sprayer jetted out like this, and the central air current that draws gas concentration height, air current velocity of flow are big receives earlier to be blockked by the deceleration and evenly distributed to the conical surface of regulating part in drawing the pipe, with draw the mixed gas that outside gas concentration is low, air current velocity of flow is little in the outer pipe, realizes further mixing and makes the mixture more even.

In order to facilitate the adjustment of the adjusting member, preferably, the fire cover has a guide post, correspondingly, the adjusting member has a guide slot into which the guide post can be inserted and matched, and the guide post and the guide slot are connected by a screw thread.

In order to facilitate the installation of the fire cover, preferably, a first inclined edge is formed on the upper edge of the convex wall of the bowl body in an inclined manner from inside to outside gradually towards the direction of the fire cover, the fire cover comprises a top wall and an outer ring wall extending downwards from the outer edge of the top wall, a plurality of main fire grooves are radially formed on the lower end surface of the outer ring wall around the circumferential direction, each main fire groove comprises a first main fire groove and a second main fire groove which are circumferentially distributed at intervals, the groove depth of each first main fire groove is smaller than that of each second main fire groove, and the first main fire groove, the second main fire groove and the first inclined edge form a first main fire hole and a second main fire hole of the fire cover together.

In order to improve the combustion efficiency of the burner, preferably, the first inclined edge of the bowl body continues to extend outwards to form a V-shaped extension part, the extension part comprises a second inclined edge which inclines downwards from the first inclined edge and a third inclined edge which inclines upwards from the second inclined edge, the second inclined edge is provided with an air supplement hole which is used for supplementing secondary air to the first main fire hole and the second main fire hole, and the third inclined edge can form an energy-gathering edge of the bowl body. Wherein the air on the first slope limit supplyes the hole and can supply secondary air to first main fire hole and second main fire hole, can promote the abundant burning in first main fire hole and second main fire hole, and the third slope limit can constitute the energy gathering limit of the bowl body can gather around the bowl body of combustor better with the combustion heat that first main fire hole and second main fire hole combustion process produced to heat the bottom of a boiler better.

Compared with the prior art, the utility model has the advantages that: the gas outlet end of the injection pipe of the burner is provided with the adjusting piece, the adjusting piece can partially extend into the gas outlet end of the injection pipe and can move relative to the gas outlet end of the injection pipe, the gas outlet area of the gas outlet end of the injection pipe is changed in the moving process, the required air quantity can be adjusted according to different combustion working conditions, and the adaptability of the burner is improved.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural diagram of a connector according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is a cross-sectional view of an adjustment member 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 5, the preferred embodiment of the present invention is shown. The burner for the gas stove of the embodiment comprises a base 1, an injector 2 positioned in the center is arranged on the base 1, and a connecting body 3 arranged on the base 1, wherein the connecting body 3 comprises a bowl body 31 with a convex wall 311 at the periphery, and a fire cover 4 is arranged on the convex wall 311 of the bowl body 31 of the connecting body 3 and forms a gas mixing chamber 5 together with the bowl body 31; in addition, the central position of the bowl body 31 is provided with an injection pipe 6, the injection pipe 6 comprises an air outlet end 61 communicated with the air mixing chamber 5 and an air inlet end 62 arranged opposite to the injector 2, the fire cover 4 is further provided with an adjusting piece 7, the adjusting piece 7 can at least partially extend into the air outlet end 61 of the injection pipe 6 and move relative to the air outlet end 61 of the injection pipe 6, so that the air outlet area of the air outlet end 61 of the injection pipe 6 is changed, the air outlet end 61 of the injection pipe 6 of the burner is provided with the adjusting piece 7, the adjusting piece 7 can partially extend into the air outlet end 61 of the injection pipe 6 and move relative to the air outlet end 61 of the injection pipe 6, the air outlet area of the air outlet end 61 of the injection pipe 6 is changed in the moving process, the required air quantity can be adjusted according to different combustion working conditions, and the adaptability of the burner is improved.

Specifically, in order to gradually change the air outlet area of the air outlet end 61 of the ejector tube 6, the adjusting member 7 of the present embodiment includes a tip portion 71 capable of extending into the air outlet end 61 of the ejector tube 6, and the tip portion 71 gradually increases along the gas injection direction of the injector 2. Wherein, the tip 71 of regulating part 7 is crescent along the gas injection direction of sprayer 2 to constitute "toper" regulating part 7, tip 71 of regulating part 7 is coaxial with the gas air current that sprayer 2 jetted out like this, draws the central air current that gas concentration is high, the air current velocity of flow is big in the ejector tube 6 to receive earlier to block to be slowed down and evenly distributed to on the conical surface of regulating part 7, with draw the mixed gas that the outer gas concentration is low, the air current velocity of flow is little in the ejector tube 6, realize further mixing and make the mixture more even. In order to facilitate the adjustment of the adjusting member 7, the fire cover 4 has a guide post 40, correspondingly, the adjusting member 7 has a guide slot 72 for the guide post 40 to be inserted into, and the guide post 41 is connected with the guide slot 72 by a screw thread. Certainly, the adjusting piece 7 can be further provided with a spring, so that the adjusting piece 7 can be accurately stopped while axial thrust is applied to the adjusting piece 7, and the influence caused by various vibrations is reduced. And in order to facilitate the installation of the fire cover 4, the upper edge of the convex wall 311 of the bowl body 31 is inclined from inside to outside gradually towards the fire cover 4, and is formed with a first inclined edge 32, the fire cover 4 comprises a top wall 41 and an outer annular wall 42 extending downwards from the outer edge of the top wall 41, the lower end surface of the outer annular wall 42 is radially formed with a plurality of main fire grooves around the circumferential direction, the main fire grooves comprise a first main fire groove 421 and a second main fire groove 422 which are distributed along the circumferential direction at intervals, the groove depth of the first main fire groove 421 is smaller than the groove depth of the second main fire groove 422, and the first main fire groove 421 and the second main fire groove 422 and the first inclined edge 32 jointly form a first main fire hole and a second main fire hole of the fire cover 4. In order to further improve the combustion efficiency of the burner, it is preferable that the first inclined edge 32 of the bowl body 31 is extended outward by a V-shaped extension 33, the extension 33 includes a second inclined edge 331 inclined downward from the first inclined edge 32 and a third inclined edge 332 inclined upward from the second inclined edge 331, the second inclined edge 331 is opened with an air supply hole 330 for supplying secondary air to the first main fire hole and the second main fire hole, and the third inclined edge 332 can form a power collecting edge of the bowl body 31. Wherein the air supplementary hole 330 on the first inclined edge 32 can supplement secondary air to the first main fire hole and the second main fire hole, can promote the sufficient combustion of the first main fire hole and the second main fire hole, and the third inclined edge 332 can form the energy-gathering edge of the bowl body 31, and can better gather the combustion heat generated in the combustion process of the first main fire hole and the second main fire hole around the bowl body 31 of the burner, thereby better heating the pot bottom.

As described above, the path of the primary air, the gas and the mixed primary air and gas inside the burner (see the dotted arrows) is such that the primary air in the gap between the third inclined edge 332 of the bowl 31 and the base 1 is sucked from the outside into the ejector tube 6 due to the low pressure caused by the gas injection from the injector 2 into the ejector tube 6 and the gas mixing chamber 5, the pre-mixing of the primary air and the gas is performed and finally enters the gas mixing chamber 5, the mixed primary air and the gas finally pass through the first main fire holes and the second main fire holes of the fire cover 4 and are ignited together with the secondary air of the external environment to form an outer ring fire, the air supplement holes 330 located at the first inclined edge 32 of the bowl 31 can supplement the secondary air for the first main fire holes and the second main fire holes, and the third inclined edge 332 can form the energy-concentrating edge of the bowl 31 to better heat the pot bottom, and finally the fire cover 4 further comprises the individually adjustable adjusting element 7, the adjusting piece 7 can partially extend into the air outlet end 61 of the injection pipe 6 and can move relative to the air outlet end 61 of the injection pipe 6, so that the air outlet area of the air outlet end 61 of the injection pipe 6 is changed in the moving process, and the required air quantity can be adjusted according to different combustion working conditions.

Claims

1. A burner for a gas range, comprising:

base (1), be provided with sprayer (2) that are located central authorities on base (1), its characterized in that:

also includes:

the connecting body (3) is arranged on the base (1) and comprises a bowl body (31), and a convex wall (311) is arranged on the periphery of the bowl body (31);

the fire cover (4) is arranged on a convex wall (311) of the bowl body (31) of the connecting body (3) and forms a gas mixing chamber (5) together with the bowl body (31);

the injection pipe (6) is arranged in the center of the bowl body (31) and comprises an air outlet end (61) communicated with the air mixing chamber (5) and an air inlet end (62) opposite to the ejector (2); and

the adjusting piece (7) is arranged on the fire cover (4) and at least partially extends into the air outlet end (61) of the injection pipe (6), and can move relative to the air outlet end (61) of the injection pipe (6) so as to change the air outlet area of the air outlet end (61) of the injection pipe (6).

2. Burner for gas cooktops according to claim 1, characterized in that: the adjusting piece (7) comprises a tip portion (71) which can extend into the air outlet end (61) of the injection pipe (6), and the tip portion (71) is gradually enlarged along the fuel gas injection direction of the injector (2).

3. Burner for gas cooktops according to claim 2, characterized in that: the fire cover (4) is provided with a guide post (40), correspondingly, the adjusting piece (7) is provided with a guide groove (72) for the insertion and matching of the guide post (41), and the guide post (40) is connected with the guide groove (72) through threads.

4. The burner for a gas range according to any one of claims 1 to 3, wherein: the upper edge of the convex wall (311) of the bowl body (31) is gradually inclined towards the fire cover (4) from inside to outside to form a first inclined edge (32), the fire cover (4) comprises a top wall (41) and an outer ring wall (42) extending downwards from the outer edge of the top wall (41), a plurality of main fire grooves are radially formed in the lower end face of the outer ring wall (42) in the circumferential direction, each main fire groove comprises a first main fire groove (421) and a second main fire groove (422) which are distributed at intervals in the circumferential direction, the slotting depth of the first main fire groove (421) is smaller than that of the second main fire groove (422), and the first main fire groove (421) and the second main fire groove (422) and the first inclined edge (32) jointly form a first main fire hole and a second main fire hole of the fire cover (4).

5. Burner for gas cooktops according to claim 4, characterized in that: the bowl is characterized in that a first inclined edge (32) of the bowl body (31) continues to extend outwards to form a V-shaped extending portion (33), the extending portion (33) comprises a second inclined edge (331) and a third inclined edge (332), the second inclined edge (331) inclines downwards from the first inclined edge (32) and inclines upwards from the second inclined edge (331), an air supplementing hole (330) used for supplementing secondary air to the first main fire hole and the second main fire hole is formed in the second inclined edge (331), and the third inclined edge (332) can form an energy gathering edge of the bowl body (31).