CN112577047A - Burner of gas stove and gas stove - Google Patents

Abstract

The embodiment of the application provides a combustor and gas-cooker of gas-cooker, and the combustor includes a plurality of slidable combustion portion, combustion portion is equipped with out the fire hole. The present application may enable the burner to be applicable to cooking appliances having different diameters.

Description

Burner of gas stove and gas stove

Technical Field

The application relates to the technical field of gas stoves, in particular to a burner of a gas stove and the gas stove.

Background

The burner of the existing gas stove generally has fixed size and structure, and the burner with the structure has a fixed flame combustion area when in use, so that the problems of uneven heating, local heating of the bottom of a pan and the like can occur when the burner is used for heating cooking utensils with different diameters.

Disclosure of Invention

The application provides a combustor of a gas stove and the gas stove, so that the combustor can be suitable for cooking utensils with different diameters.

A first aspect of the present application provides a burner of a gas range, including:

a plurality of slidable combustion portions, combustion portion is equipped with out the fire hole.

Above-mentioned combustor includes a plurality of slidable combustion portions, and a plurality of combustion portions arrange in proper order and constitute the combustor jointly, and combustion portion is equipped with out the fire hole, and when combustion portion slided, it slides along with combustion portion to go out the fire hole to the flame distribution of adjustment combustor makes the cooking utensil that is applicable to that the combustor can be better has different diameters or type (like pan and round bottom pot), so that the cooking utensil of the diameter of letting difference or type can both be heated evenly when heating.

In addition, the fire holes slide along with the combustion part, and the flame distribution condition of the combustor can be adjusted under the condition that the number of the fire holes is not changed, so that the flame distribution of the combustor can be changed to the maximum degree under the condition that the number of the fire holes is less.

Optionally, the combustion part comprises a first fire hole area and a second fire hole area, and the fire outlet is arranged in the first fire hole area and the second fire hole area;

the combustion portion has a first position and a second position within a sliding stroke of the combustion portion;

when the combustion part is located at a first position, the first fire hole area has flames, and the second fire hole area has no flames;

when the combustion part is located at the second position, flames are arranged in the first fire hole area and the second fire hole area.

The amount of gas which can be stably and completely combusted in the fire hole of the burner is called the combustion capacity of the fire hole. The combustion capacity of the fire hole is generally expressed in terms of fire hole heat intensity. When the heat load is constant, the heat intensity of the fire holes is inversely proportional to the total area of the fire holes. Above-mentioned combustor can be according to the flame state of the reasonable adjustment play fire hole of size of combustor to the flame region that makes the combustor can suit with cooking utensil's diameter, lets the cooking utensil of different diameters or type can both be heated evenly when the heating, further improves cooking efficiency.

In addition, for the atmospheric burner, the heat intensity of the fire hole needs to be controlled in a proper range, so that the fuel gas can be fully and stably combusted, and the CO content is low.

When the combustion part is positioned at the first position, flame exists in the first fire hole area, and the heat intensity of the fire holes can be controlled within a proper range; through the slip combustion portion, when making the combustion portion be located the second position, first fire hole region all has flame with the second fire hole region, goes out the total area increase in fire hole, makes fire hole hot strength reduce, and the burning of gas can be more abundant, and CO content can further reduce, has greatly improved the combustion performance of combustor.

Optionally, the combustion part comprises an air containing cavity, and the fire outlet is communicated with the air containing cavity;

a partition plate is arranged in the air containing cavity and divides the air containing cavity into a first cavity and a second cavity through the partition plate;

the first fire hole area is positioned on the side wall of the first cavity, and fire outlets arranged in the first fire hole area are communicated with the first cavity;

the second fire hole area is located on the side wall of the second cavity, and the fire outlet holes arranged in the second fire hole area are communicated with the second cavity.

The burner can control the flame condition of the corresponding fire outlet by controlling the gas introduction condition of the first cavity and the second cavity; through the shape and the relative position relation of rationally setting up first chamber and second chamber, can make first fire hole region and second fire hole region distribution in suitable position to it is more reasonable to make flame region distribution.

Optionally, the air containing cavity is provided with an air inlet structure, and the air inlet structure comprises a first air inlet part and a second air inlet part which are separated from each other;

the first air inlet part is communicated with the first cavity, and the second air inlet part is communicated with the second cavity;

when the combustion part is located at a first position, the first air inlet part is opened, and the second air inlet part is closed;

when the combustion portion is located at the second position, both the first air intake portion and the second air intake portion are open.

Optionally, the burner further comprises a base, and the combustion part is slidably connected to the base.

The base of the combustor is used for being connected with a cooking bench of a gas stove, and the combustion part is connected to the base in a sliding mode, so that the combustor has high integrity and universality. That is, the base can be adapted to and fixed on the top of the gas range, and the plurality of combustion portions are sequentially arranged along the base and can slide along the base without changing the original shape of the top of the gas range.

Optionally, the base is provided with a vent;

when the combustion part is positioned at a first position, the first air inlet part is communicated with the ventilation part and is opened, and the second air inlet part is closed by isolating the ventilation part;

when the combustion part is located at the second position, the first air inlet part and the second air inlet part are communicated with the ventilation part and are opened.

Optionally, the air inlet structure is an air inlet hole, and the air inlet hole is arranged on one side of the combustion part facing the base;

the ventilating part is a vent hole which is arranged on one side of the base facing the combustion part;

when the combustion part is positioned at a first position, at least one part of the first air inlet part is overlapped with the ventilation part to be opened, and the second air inlet part is completely staggered with the ventilation part to be closed;

when the combustion part is located at the second position, at least one part of each of the first air inlet part and the second air inlet part is overlapped with the ventilation part and is opened.

Above-mentioned combustor need not to set up control structure such as solitary valve, sets up poroid structure respectively through the one side of laminating each other at combustion part and base, through the coincidence of poroid structure and open air inlet structure, through the staggered of poroid structure and close air inlet structure, has reduced the distance between air inlet structure and the portion of ventilating, has improved the reliability of complex between the two, has simplified gas channel's structure.

Optionally, the part of the partition board facing the air inlet hole protrudes downwards to form a flow dividing part, and the flow dividing part divides the air inlet hole into a first air inlet part and a second air inlet part.

The combustor divides the air inlet into a first air inlet part and a second air inlet part which are separated from each other through the flow dividing part, simplifies the structure of an air inlet structure, and makes the processing and manufacturing of the combustion part more convenient. In addition, can also reduce the distance between first air inlet portion and the second air inlet portion, be convenient for communicate first air inlet portion and second air inlet portion simultaneously through same air vent, simplify the structure of base.

Optionally, the base is provided with a first guide structure, the combustion portion is provided with a second guide structure, and the second guide structure is in sliding fit with the first guide structure so that the combustion portion slides along the base.

Optionally, a ventilation portion is arranged on the first guide structure, and an air inlet structure is arranged on the second guide structure. Make processing more simple and convenient, and through the accurate cooperation between first guide structure and the second guide structure, can further improve the cooperation precision between air inlet structure and the portion of ventilating.

Optionally, a first protrusion is disposed on one side of the combustion portion facing the base, and the first protrusion is stopped by the base to limit a sliding stroke of the combustion portion. The combustion part is prevented from slipping along the base, and the use safety of the combustor is ensured.

Optionally, the first fire hole area is arranged at one side of the combustion part, which is away from the center of the burner, and the second fire hole area is arranged at one end of the combustion part along the arrangement direction.

Above-mentioned combustor, when the combustion portion was located the primary importance, because the size of combustor is less, the inboard flame of combustion portion easily produces with the flame of burning central part and interferes, influences the stability of flame, through setting up first fire hole region in the one side that the combustion portion deviates from the center of combustor, makes the combustion portion only the outside have flame, and other positions do not have flame, have ensured the stability of flame burning. When the combustion part is located the second position, can have the interval between the adjacent combustion part, through setting up the second fire hole region in the one end of combustion part along the array direction, make to have flame in the interval between the adjacent combustion part, increased the flame region, improved the heating efficiency of combustor to jumbo size cooking utensil.

In addition, set up the second fire hole region in the one end of combustion portion along the array orientation, can also play the effect of passing fire between two adjacent combustion portions, reduce the number of the fire passing groove that sets up on the combustion portion.

Alternatively, the second fire hole area is provided at a side of the combustion part toward the center of the burner.

Above-mentioned combustor, when the combustion part was located the second position, the combustor size was great, and the inboard flame of combustion part can not produce with the flame of burning central part and interfere, consequently, the second fire hole region can set up in the one side of combustion part towards the center of combustor to form bigger flame region, further improved the heating efficiency of combustor to jumbo size cooking utensil.

Alternatively, the plurality of combustion portions may be arranged in sequence around the center of the burner, and the combustion portions may be slidable in a direction toward or away from the center of the burner.

The burner has a fixed shape and adjustable dimensions, so that the burner can be adapted to cooking appliances having different diameters, and the combustion part can have a simple sliding trajectory, thereby simplifying the operation of a user.

Optionally, a plurality of the combustion parts are sequentially arranged in a ring shape around the center of the combustor, and the combustion parts can slide along the radial direction of the combustor.

Since most cooking appliances are provided in a circular shape, the burner has a circular overall appearance, thereby enabling the burner to be better matched with the cooking appliance.

A second aspect of the present application provides a gas burner comprising a burner of any one of the gas burners provided by the present application.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

It should be pointed out that the features of the dependent claims can be combined with each other and with the features of the independent claims in any way without departing from the concept of the present application.

Drawings

FIG. 1 is a schematic structural diagram of a combustor provided in an embodiment of the present application;

FIG. 2 is a schematic view of the structure of FIG. 1 in one state;

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

FIG. 4 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 5 is a schematic structural diagram of a combustion section provided in an embodiment of the present application;

FIG. 6 is a schematic view of the combustion section of FIG. 5 at another angle;

FIG. 7 is a schematic view of an internal structure of a combustion part according to an embodiment of the present disclosure;

fig. 8 is a bottom structure schematic view of a combustion part provided in an embodiment of the present application.

Reference numerals:

1-a base;

10-a vent;

12-a first guide structure;

1 a-a base body;

1 b-a base cover plate;

2-a combustion section;

20-fire outlet holes;

22-a gas containing cavity;

220-a first cavity;

222-a second cavity;

24-a separator;

240-first section;

242-a second segment;

244-a flow splitting section;

25-an air intake structure;

250-a first air intake;

252-a second air intake;

26-a second guide structure;

27-a first projection;

28-a second projection;

29-a fire transfer trough;

2 a-a first fire hole area;

2 b-a second fire hole area;

2 c-a combustion section body;

2 d-a combustion section cover plate;

3-combustion center.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1-8, the present application provides a burner of a gas stove, which includes a plurality of (including two or more) slidable burning portions 2, the plurality of burning portions 2 are sequentially arranged to jointly form the burner, the burning portions 2 are provided with fire holes 20, the fire holes 20 can be arranged on the side walls of the burning portions 2, the flame of the burner can be sprayed out from the fire holes 20, and the cooking utensil can be heated by the flame. When the combustion part 2 slides, the fire hole 20 slides along with the combustion part 2, thereby adjusting a flame combustion area of the burner so that the burner can be adapted to cooking appliances having different diameters.

Wherein, the burner can also comprise a burning central part 3, the burning central part 3 forms the center of the burner and heats the central part of the cooking utensil; the plurality of burning parts 2 are sequentially arranged around the center of the burner to form a plurality of shapes, such as a circle, a square or an ellipse, with any appropriate shape, so that the shape of the burner can be adapted to the shape of the cooking utensil; the sliding direction of the combustion part 2 can be any appropriate direction, so that a user can flexibly adjust the shape and the size of the combustor according to the use requirement.

In some embodiments, a plurality of the combustion parts 2 are sequentially arranged around the center of the burner, and the combustion parts 2 can slide in a direction close to or away from the center of the burner, so that the burner has a fixed shape and an adjustable size, thereby enabling the burner to be suitable for cooking appliances having different diameters, and enabling the combustion parts 2 to have a simple sliding trajectory, thereby simplifying the user's manipulation.

In one embodiment, since most cooking appliances are arranged in a circular shape, the plurality of burning parts 2 may be sequentially arranged in a ring shape around the center of the burner, and the burning parts 2 can slide in the radial direction of the burner, so that the burner has a circular overall appearance, thereby enabling the burner to be better matched with the cooking appliances.

Further, the combustor that this application embodiment provided can include base 1 and combustion portion 2, and base 1 is used for connecting the top of a kitchen range, and combustion portion 2 sliding connection is on base 1, makes the combustor have higher wholeness and commonality. That is, the base 1 can be adapted to and fixed to a cooktop of a gas range, and the plurality of combustion portions 2 are sequentially arranged along the base 1 and can slide along the base 1 without changing an original shape of the cooktop. The base 1 is internally provided with a gas mixing cavity, the base 1 can comprise a base body 1a and a base cover plate 1b, and the base cover plate 1b is arranged at an opening of the base body 1a in a covering manner; the combustion part 2 comprises an air containing cavity 22, the fire outlet 20 is communicated with the air containing cavity 22, the combustion part 2 can comprise a combustion part body 2c and a combustion part cover plate 2d, and the opening of the combustion part body 2c is covered by the combustion part cover plate 2 d.

It can be understood that the base 1 and the combustion part 2 may also be provided as a whole, that is, the base 1 and the combustion part 2 are in one-to-one correspondence and fixedly connected, the base 1 and the combustion part 2 slide together, for example, a sliding rail is provided on a cooking bench of a gas stove, the base 1 is in sliding fit with the sliding rail, and the combustion part 2 and the base 1 slide together along the sliding rail.

In one embodiment, the base 1 is provided with a first guide structure 12 and the combustion section 2 is provided with a second guide structure 26, the second guide structure 26 being in sliding engagement with the first guide structure 12 to allow the combustion section 2 to slide along the base 1. By arranging the first guide structure 12 and the second guide structure 26, the sliding fit precision of the base 1 and the combustion part 2 is improved, so that the sliding operation of the combustion part 2 is smoother; the first guide structure 12 may be disposed on the base cover plate 1b, and the second guide structure 26 may be disposed on the combustion portion cover plate 2d, so as to further improve the manufacturing accuracy of the guide structure and ensure the sliding fit accuracy of the base 1 and the combustion portion 2.

In particular, one of the first guide structure 12 and the second guide structure 26 may be provided as a projection, and the other may be provided as a groove, and the extending direction of the projection and the groove should be adapted to the sliding direction of the combustion part 2, for example, when the combustion part 2 slides in the radial direction of the burner, the projection and the groove should extend in the radial direction of the burner. At least one second guide structure 26 may be provided on the combustion part 2; when the number of the second guide structures 26 provided on the combustion part 2 is one, the second guide structures 26 may be provided at a central portion of the combustion part 2; when the number of the second guide structures 26 provided on the combustion part 2 is plural, the plural second guide structures 26 are sequentially spaced along the combustion part 2.

Further, a first protrusion 27 (see fig. 6) is disposed on one side of the combustion part 2 facing the base 1, and the first protrusion 27 is stopped by the base 1 to limit the sliding stroke of the combustion part 2, so as to prevent the combustion part 2 from slipping along the base 1, and ensure the safety of the burner. Wherein, the first protrusion 27 may be only disposed on one side of the combustion part 2 close to the center of the burner, so as to limit only the sliding stroke of the combustion part 2 away from the center of the burner; when the combustion part 2 slides in a direction approaching the center of the burner, the adjacent combustion parts 2 abut against each other, so that the sliding stroke of the combustion part 2 can be automatically limited. Of course, the first projection 27 may be provided on the side of the combustion part 2 remote from the center of the burner.

Further, one side of the combustion portion 2 departing from the base 1 may be provided with a second protrusion 28 (see fig. 6 and 7), the second protrusion 28 is disposed on one side of the combustion portion 2 near the center of the burner and is distributed at two ends of the combustion portion 2, that is, the second protrusion 28 is disposed at the end of two adjacent combustion portions 2 adjacent to each other. Form the water conservancy diversion effect to outside air current through setting up second arch 28, form air circulation passageway between two adjacent second arch 28, make the air in the combustion part 2 outside (the one side of deviating from the center of combustor) along the inboard (the one side of the center towards the combustor) that second arch 28 flows to combustion part 2, stabilize the supply of the inboard air of combustion part 2, make the inboard flame of combustion part 2 or the flame of burning central part 3 can fully burn, the influence of pressure differential during the prevention of burning, lead to the burning insufficient.

Further, referring to fig. 2 to 7, the combustion part 2 includes a first fire hole area 2a and a second fire hole area 2b, and the fire outlet 20 is disposed in the first fire hole area 2a and the second fire hole area 2b, that is, the first fire hole area 2a and the second fire hole area 2b are both provided with the fire outlet 20, and the flame state of the fire outlet 20 is reasonably adjusted according to the size of the burner, so that the flame area of the burner can be adapted to the diameter of the cooking utensil, and the cooking efficiency is further improved.

The combustion part 2 has a first position and a second position within a sliding stroke of the combustion part 2; when the combustion part 2 is positioned at the first position (see fig. 2), the first fire hole area 2a has flames, and the second fire hole area 2b has no flames, so that the burner has less flame area and is suitable for heating small-diameter cooking utensils; when the combustion part 2 is located at the second position (see fig. 3), both the first fire hole area 2a and the second fire hole area 2b have flames, so that the burner has more flame areas, and is suitable for heating large-diameter cooking utensils.

In one embodiment, the first fire hole area 2a is disposed at a side of the combustion part 2 facing away from the center of the burner, that is, the first fire hole area 2a is disposed at an outer sidewall of the combustion part 2; the second fire hole area 2b is disposed at one end of the combustion part 2 along the arrangement direction, that is, one end of the combustion part 2 is disposed with the second fire hole area 2b, and the other end is not disposed with the second fire hole area 2b, so as to avoid interference of flames of two adjacent combustion parts 2 in the second fire hole area 2 b.

When the combustion part 2 is located at the first position, because the size of the burner is small, the inner flame of the combustion part 2 is easy to interfere with the flame of the combustion center part 3, the stability of the flame is affected, and the first fire hole area 2a is arranged on one side of the combustion part 2, which is far away from the center of the burner, so that the flame exists only on the outer side of the combustion part 2, and no flame exists on other parts, and the stability of flame combustion is ensured. When combustion portion 2 was located the second position, can have the interval between the adjacent combustion portion 2, through set up second fire hole region 2b in combustion portion 2 along the one end of arranging the direction, made to have flame in the interval between the adjacent combustion portion 2, increased the flame region, improved the heating efficiency of combustor to jumbo size cooking utensil. In addition, the second fire hole area 2b is arranged at one end of the combustion part 2 along the arrangement direction, and can also play a role of fire transfer between two adjacent combustion parts 2, so that the number of fire transfer grooves 29 arranged on the combustion parts 2 is reduced, namely only one combustion part 2 needs to be provided with the fire transfer groove 29; of course, the fire transfer grooves 29 may be provided in each combustion part 2.

It can be understood that when the combustion part 2 is located at the second position, the burner is large in size, and the flame inside the combustion part 2 does not interfere with the flame of the combustion center part 3, therefore, the second fire hole area 2b can also be arranged at the side of the combustion part 2 facing the center of the burner (see fig. 4), so as to form a larger flame area, and further improve the heating efficiency of the burner to the large-sized cooking utensil.

In one embodiment, the partition plate 24 is disposed in the air accommodating chamber 22, and the air accommodating chamber 22 is divided into a first chamber 220 and a second chamber 222 by the partition plate 24, so that the first chamber 220 is not communicated with the second chamber 222, the first chamber 220 is close to the center of the burner, the second chamber 222 is far away from the center of the burner, and the flame conditions of the corresponding fire outlets 20 can be controlled by controlling the gas introduction conditions of the first chamber 220 and the second chamber 222. The first fire hole area 2a is positioned on the side wall of the first cavity 220, the fire outlet 20 arranged in the first fire hole area 2a is communicated with the first cavity 220, and when fuel gas is introduced into the first cavity 220, flame exists in the first fire hole area 2 a; the second fire hole area 2b is located on the side wall of the second cavity 222, the fire hole 20 arranged in the second fire hole area 2b is communicated with the second cavity 222, and when gas is introduced into the second cavity 222, the second fire hole area 2b has flames.

Specifically, referring to fig. 7, the diaphragm 24 may be provided in an approximately L-shape, that is, the diaphragm 24 includes a first section 240 and a second section 242 connected to each other, the first section 240 extending in the arrangement direction of the combustion parts 2, and the second section 242 extending in a direction in which the inner sides of the combustion parts 2 point outward, thereby dividing the air-containing chamber 22 into a L-shaped first chamber 220 and a linear second chamber 222, so that the inner side wall of one end of the air-containing chamber 22 is completely located in the first chamber 220, and a second fire hole region 2b is formed.

Further, the air accommodating chamber 22 is provided with an air inlet structure 25, and the air inlet structure 25 comprises a first air inlet part 250 and a second air inlet part 252 which are separated from each other; the first air inlet portion 250 is communicated with the first cavity 220, when the first air inlet portion 250 is opened, gas can be introduced into the first cavity 220, and when the first air inlet portion 250 is closed, gas cannot be introduced into the first cavity 220; the second air inlet portion 252 is communicated with the second cavity 222, when the second air inlet portion 252 is opened, gas can be introduced into the second cavity 222, and when the second air inlet portion 252 is closed, the gas cannot be introduced into the second cavity 222. When the combustion part 2 is located at the first position, the first air inlet part 250 is opened, the second air inlet part 252 is closed, so that the gas is introduced into the first cavity 220, and the gas cannot be introduced into the second cavity 222, so that the first fire hole area 2a has flames, and the second fire hole area 2b has no flames; when the combustion portion 2 is located at the second position, the first air inlet portion 250 and the second air inlet portion 252 are both opened, so that the gas is introduced into the first cavity 220 and the second cavity 222, and thus the first fire hole area 2a and the second fire hole area 2b both have flames.

Further, the base 1 is provided with the ventilation part 10, the ventilation part 10 is used for conveying gas to the air inlet structure 25, the ventilation part 10 is used for controlling the opening and closing of the air inlet structure 25, the structure is simple, the control is convenient, and the first air inlet part 250 and the second air inlet part 252 can be communicated with the ventilation part 10 to be opened or closed by isolating the ventilation part 10 along with the sliding of the combustion part 2. When the combustion part 2 is located at the first position, the first air intake part 250 is opened by communicating with the ventilation part 10, and the second air intake part 252 is closed by isolating the ventilation part 10; when the combustion portion 2 is located at the second position, the first intake portion 250 and the second intake portion 252 are both open in communication with the breather portion 10.

Specifically, the ventilating portions 10 should correspond to the combustion portions 2 one to one, that is, at least one ventilating portion 10 should be provided on the base 1 corresponding to each combustion portion 2. Wherein, the number of the ventilating parts 10 corresponding to the same combustion part 2 is one or two; when the number of the vent parts 10 is one, the first air intake part 250 and the second air intake part 252 are communicated through the same vent part 10; when the number of the vent portions 10 is two, the two vent portions 10 communicate with the first air intake portion 250 and the second air intake portion 252, respectively.

In one embodiment, the air intake structure 25 is an air intake hole, and the air intake hole is disposed on a side of the combustion portion 2 facing the base 1; the ventilation part 10 is a vent hole which is arranged on one side of the base 1 facing the combustion part 2; that is, the air intake structure 25 and the ventilation portion 10 are respectively disposed on the side where the combustion portion 2 and the base 1 are attached to each other, so that the distance between the air intake structure 25 and the ventilation portion 10 is reduced, and the reliability of the fit between the two is improved. When the combustion part 2 is at the first position, at least a part of the first air inlet part 250 is overlapped with the ventilation part 10 to be opened, and the second air inlet part 252 is completely staggered with the ventilation part 10 to be closed; when the combustion part 2 is located at the second position, at least a portion of each of the first and second air intake parts 250 and 252 overlaps with the ventilation part 10 to be opened.

In another embodiment, the portion of the partition plate 24 facing the air inlet hole protrudes downward to form a flow dividing portion 244, and the flow dividing portion 244 divides the air inlet hole into a first air inlet portion 250 and a second air inlet portion 252, that is, the air inlet structure 25 includes an air inlet hole, and the air inlet hole is divided into the first air inlet portion 250 and the second air inlet portion 252 by the flow dividing portion 244, so that the structure of the air inlet structure 25 is simplified, and the processing and manufacturing of the combustion portion 2 are facilitated. In addition, the distance between the first air intake part 250 and the second air intake part 252 can be reduced, so that the first air intake part 250 and the second air intake part 252 can be communicated with each other at the same time through the same vent hole, and the structure of the base 1 can be simplified.

In one embodiment, when the base 1 is provided with the first guide structure 12 and the combustion portion 2 is provided with the second guide structure 26, the ventilation portion 10 can be disposed on the first guide structure 12, and the air intake structure 25 can be disposed on the second guide structure 26, so that the processing is easier and the matching precision between the air intake structure 25 and the ventilation portion 10 can be improved.

In addition, the embodiment of the application also provides a gas stove which comprises the burner of any one of the gas stoves provided by the embodiment of the application.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (15)

1. A burner of a gas range, comprising:

a plurality of slidable combustion portions (2), the combustion portions (2) are provided with fire holes (20).

2. Burner of a gas range according to claim 1, wherein the combustion part (2) comprises a first fire hole area (2a) and a second fire hole area (2b), the fire hole (20) being provided to the first fire hole area (2a) and the second fire hole area (2 b);

-the combustion section (2) has a first position and a second position within the sliding stroke of the combustion section (2);

when the combustion part (2) is located at a first position, the first fire hole area (2a) has flames, and the second fire hole area (2b) has no flames;

when the combustion part (2) is located at the second position, flames are arranged in the first fire hole area (2a) and the second fire hole area (2 b).

3. Burner of a gas range according to claim 2, wherein the combustion part (2) comprises a gas containing cavity (22), and the fire hole (20) is communicated with the gas containing cavity (22);

a partition plate (24) is arranged in the air containing cavity (22), and the air containing cavity (22) is divided into a first cavity (220) and a second cavity (222) through the partition plate (24);

the first fire hole area (2a) is positioned on the side wall of the first cavity (220), and fire holes (20) arranged in the first fire hole area (2a) are communicated with the first cavity (220);

the second fire hole area (2b) is positioned on the side wall of the second cavity (222), and the fire holes (20) arranged in the second fire hole area (2b) are communicated with the second cavity (222).

4. Burner of a gas range according to claim 3, characterized in that the gas containing chamber (22) is provided with a gas inlet structure (25), the gas inlet structure (25) comprising a first gas inlet portion (250) and a second gas inlet portion (252) spaced apart from each other;

the first air inlet (250) is communicated with the first cavity (220), and the second air inlet (252) is communicated with the second cavity (222);

when the combustion portion (2) is located at a first position, the first intake portion (250) is open and the second intake portion (252) is closed;

when the combustion section (2) is in the second position, both the first air intake section (250) and the second air intake section (252) are open.

5. Burner of a gas cooker according to claim 4, characterized in that it further comprises a base (1), said combustion portion (2) being slidingly connected to said base (1).

6. Burner of a gas range according to claim 5, characterized in that the base (1) is provided with a venting portion (10);

when the combustion part (2) is located at a first position, the first air inlet part (250) is communicated with the ventilation part (10) to be opened, and the second air inlet part (252) is closed by isolating the ventilation part (10);

when the combustion part (2) is located at the second position, both the first air intake part (250) and the second air intake part (252) are communicated with the ventilation part (10) and are opened.

7. Burner of a gas cooker according to claim 6, characterized in that the air intake structure (25) is an air intake hole, and the air intake hole is arranged on the side of the combustion part (2) facing the base (1);

the ventilation part (10) is a vent hole which is arranged on one side of the base (1) facing the combustion part (2);

when the combustion part (2) is located at a first position, at least one part of the first air inlet part (250) is overlapped with the ventilation part (10) to be opened, and the second air inlet part (252) is completely staggered from the ventilation part (10) to be closed;

when the combustion part (2) is located at the second position, at least one part of each of the first air inlet part (250) and the second air inlet part (252) is overlapped with the ventilation part (10) to be opened.

8. The burner of a gas range as set forth in claim 7, wherein a portion of the partition plate (24) facing the inlet hole is downwardly protruded to form a diverging portion (244), and the diverging portion (244) divides the inlet hole into a first inlet portion (250) and a second inlet portion (252).

9. Burner of a gas cooker according to claim 5, characterized in that the base (1) is provided with a first guiding structure (12) and the burning portion (2) is provided with a second guiding structure (26), the second guiding structure (26) being in sliding engagement with the first guiding structure (12) so that the burning portion (2) slides along the base (1).

10. Burner of a gas cooker according to claim 9, characterized in that the first guiding structure (12) is provided with a venting portion (10) and the second guiding structure (26) is provided with an air inlet structure (25).

11. Burner of a gas cooker according to claim 9, characterized in that a side of the combustion part (2) facing the base (1) is provided with a first protrusion (27), and the first protrusion (27) is stopped at the base (1) to limit the sliding stroke of the combustion part (2).

12. Burner of a gas range according to claim 2, characterized in that the first fire hole area (2a) is provided at a side of the combustion section (2) facing away from the center of the burner, and the second fire hole area (2b) is provided at an end of the combustion section (2) in the arrangement direction.

13. Burner of a gas range according to any of claims 1 to 12, characterized in that a plurality of said combustion sections (2) are arranged in sequence around the center of said burner, said combustion sections (2) being slidable in a direction approaching or departing from the center of said burner.

14. Burner of a gas range according to claim 13, characterized in that a plurality of said combustion sections (2) are arranged in a ring shape in sequence around the center of said burner, said combustion sections (2) being able to slide in the radial direction of said burner.

15. A gas range comprising a burner of the gas range according to any one of claims 1 to 14.

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