CN216079796U - Burner for gas stove - Google Patents

Abstract

The utility model relates to a burner for a gas stove, which comprises a base, a connecting body arranged on the base and a fire cover body arranged on the connecting body, wherein an air outlet is formed at the top of the fire cover body, a central cavity is surrounded by the annular peripheral wall of the fire cover body, the center of the base and the central cavity jointly form an air supplement channel which is communicated up and down and communicated with the air outlet, and the burner is characterized in that: compared with the prior art, the air supplementing channel has the advantages that: the burner for the gas stove is provided with the air supplement channel, and the air quantity in the air supplement channel is adjusted through the adjusting piece, so that the adjusting piece can be adaptively adjusted according to different use areas, the combustion working condition of the burner is better adapted, the flame of the burner is short, uniform and powerful, and the defects of yellow flame, tempering and the like cannot occur.

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 gas cooker.

Background

At present, most of the kitchen ranges on the market are double-ring fire burners, namely, an inner ring fire burner and an outer ring fire burner are provided, wherein, in order to increase the contact area between the flame of an inner ring and the bottom of a pot, improve the thermal efficiency and achieve the purpose of energy saving, the prior patent discloses a Chinese utility model patent ZL201620759629.9 (with the publication number of CN205807511U), which discloses a double-rotary fire burner, which comprises a burner base, wherein the burner base is provided with an outer combustion air passage and an inner combustion air passage, the outer combustion air passage is provided with an outer fire distribution cover, the inner side of the outer fire distribution cover is provided with a first inner ring conical surface, the first inner ring conical surface is provided with a plurality of outer rotary fire bar-shaped holes in the circumferential direction, the inner combustion air passage is provided with an inner fire distribution cover, the inner side of the fire distribution cover is provided with a second inner ring conical surface, and the second inner ring is provided with a plurality of inner rotary fire bar-shaped holes in the circumferential direction; the burner adopting the structure adopts the rotary fire structure as the inner flame divider; under the same size of the burner base, the contact area of the flame of the inner ring and the boiler bottom is increased, the heat efficiency is improved, and the purpose of energy conservation is achieved.

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 reasonably distribute secondary air, aiming at 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 base, set up the connector on the base and set up the fire lid body on the connector, the top of fire lid body is formed with the air outlet, and the annular perisporium of fire lid body encloses into central cavity, the center of base with central cavity constitutes jointly from top to bottom link up and with the air supply passageway that the air outlet is linked together, its characterized in that: and the air supplementing channel is internally provided with an adjusting piece capable of adjusting the air quantity in the air supplementing channel.

The air amount in the air make-up channel may be adjusted in various ways, and it is preferable that the adjusting member adjusts the air amount in the air make-up channel by moving up and down, from the viewpoint of a simple structure.

Furthermore, the periphery of the fire cover body is also provided with a second fire cover, the connecting body is also provided with a plurality of radial secondary air supply channels at intervals along the circumferential direction, the secondary air supply channels are used for connecting the air supply cavity with the outside, the adjusting piece comprises a screwed part screwed with the pipe wall of the air supply channel and a flow guide part used for guiding overflow liquid to the secondary air supply channels, and the flow guide part is gradually inclined downwards towards the secondary air supply channels from the center to the periphery. The air quantity of the air supplementing channel is changed through the up-and-down moving mode of the adjusting piece, when overflowing occurs in the cooking process, the flow guide part of the adjusting piece can partially guide the overflowing liquid to the secondary air supplementing channel, and the secondary air supplementing channel can be used as a channel for laterally supplementing secondary air to the fire cover body and the second fire cover and can also be used as a channel for discharging the overflowing liquid.

In order to achieve better air supplement and flame stabilizing effects of the main fire hole of the fire cover body, preferably, the annular peripheral wall of the fire cover body is provided with the main fire hole at intervals along the circumferential direction, the bottom of the annular peripheral wall of the fire cover body is provided with supplement grooves for supplementing secondary air to the main fire hole, the supplement grooves are in fluid communication with the air supplement channel, and the connecting body is matched with the supplement grooves of the fire cover body to form a flame stabilizing chamber of the main fire hole of the fire cover body. Air is supplemented into the flame stabilizing chamber in the supplementing groove, and flame stabilizing flames can be formed in the supplementing groove, so that the main fire hole can be stabilized by the flame stabilizing chamber.

In order to realize that both the inner side and the outer side of the flame stabilizing chamber of the flame cap body are provided with flame stabilizing flames, preferably, the connecting body comprises an annular body, the center of which is provided with a central hole, the upper surface of the annular body is provided with first convex rings at intervals along the radial direction outwards from the periphery of the central hole, the bottom of the annular peripheral wall of the flame cap body is provided with an annular inner step, each of the supplementary grooves comprises a first supplementary groove and a second supplementary groove, the first supplementary groove is positioned on the first wall surface of the step, the second supplementary groove is positioned on the second wall surface below the step, the second wall surface of the annular inner step of the flame cap body is abutted against the periphery of the central hole, the first wall surface of the annular inner step of the flame cap body is abutted against the first convex rings, so that the flame stabilizing cavity of the main flame hole of the flame cap body is formed by enclosing, and the flame stabilizing chamber is communicated with the first supplementary groove and the second supplementary groove. Wherein, first supplementary groove is located the inboard of flame holding chamber and the second supplyes the groove and is located the outside of flame holding chamber to make and all can form the flame holding flame in first supplementary groove and the second supplyes the groove, make the main burner bore of flame holding chamber more effective stabilization.

Compared with the prior art, the utility model has the advantages that: the burner for the gas stove is provided with the air supplement channel, and the air quantity in the air supplement channel is adjusted through the adjusting piece, so that the adjusting piece can be adaptively adjusted according to different use areas, the combustion working condition of the burner is better adapted, the flame of the burner is short, uniform and powerful, and the defects of yellow flame, tempering and the like cannot occur.

Drawings

Fig. 1 is a schematic structural view of a burner for a gas range according to an embodiment of the present invention;

FIG. 2 is an exploded view 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 view of the adjustment member of FIG. 4 in a downward position;

FIG. 6 is a schematic view of an angle of a burner fire cover in an embodiment of the utility model;

FIG. 7 is a schematic view of another angle configuration of a burner fire cover in an embodiment of the utility model;

FIG. 8 is a cross-sectional view of FIG. 6;

FIG. 9 is a cross-sectional view at another angle of FIG. 6;

FIG. 10 is a schematic structural diagram of a connector according to an embodiment of the present invention;

FIG. 11 is a schematic view of another angle of FIG. 10;

fig. 12 is a cross-sectional view of fig. 11.

Detailed Description

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

As shown in FIGS. 1 to 12, the preferred embodiment of the present invention is shown. The burner fire cover of the embodiment comprises a fire cover body 1, the annular peripheral wall 11 of the fire cover body 1 is provided with main fire holes 111 at intervals along the circumferential direction, the bottom of the annular peripheral wall 11 of the fire cover body 1 is provided with a supplement groove for supplementing secondary air to the main fire holes 111, the bottom of the annular peripheral wall 11 is provided with an annular inner step 112, and the supplement groove comprises a first supplement groove 1121 on a first wall surface 112a above the step and a second supplement groove 1122 on a second wall surface 112b below the step. The first supplementary grooves 1121 are alternately spaced apart from the main fire holes 111, and the respective second supplementary grooves 1122 are aligned with the respective first supplementary grooves 1121 one by one. The fire cover body 1 further comprises an outer peripheral wall 12 opposite to the annular peripheral wall 11 and a top wall 13 connecting the annular peripheral wall 11 and the outer peripheral wall 12, the annular peripheral wall 11, the outer peripheral wall 12 and the top wall 13 jointly enclose a first air mixing cavity 14 communicated with the main fire hole 111, a second fire cover 2 is further arranged on the periphery of the fire cover body 1, and the second fire cover 2 is connected with the fire transfer chamber 3 arranged at intervals along the circumferential direction. In order to make the fire transfer chamber 3 have sufficient gas and secondary air, preferably, the fire transfer chamber 3 includes a first side wall 31, a second side wall 32 directly connected to the outer peripheral wall 12 of the fire cover body 1 and the second fire cover 2, and a bottom wall 33 connecting the first side wall 31 and the second side wall 32, an inner opening 34 of the fire transfer chamber 3 is opened on the annular peripheral wall 11, an outer opening 35 of the fire transfer chamber 3 is in fluid communication with the second fire cover 2, and the bottom wall 33 of the fire transfer chamber 3 is opened with an air inlet hole 36 for external secondary air to flow into the fire transfer chamber 3. In order to better suck the secondary air from the outside into the fire transfer chamber 3, the air inlet hole 36 is in a horn shape with a downward horn mouth, and in order to realize that the secondary air from the outside can be more smoothly guided into the top of the fire transfer chamber 3 from the bottom to the top after being sucked into the fire transfer chamber 3, or the secondary air is guided into the fire transfer chamber 3 from the outside from the top to the bottom, the first side wall 31 of the fire transfer chamber 3 is locally provided with a first concave groove 311, correspondingly, the second side wall 32 is locally provided with a second concave groove 321, and the first groove 311 and the second groove 321 jointly form an air inlet channel 323 communicated with the air inlet hole 36.

In order to realize that the burner fire cover has inner and outer fire rings, preferably, the second fire cover 2 comprises a first inner annular wall 21 directly connected with the second side wall 32, a second inner annular wall 22 arranged opposite to the first inner annular wall 21, and an annular top wall 23 connecting the first inner annular wall 21 and the first inner annular wall 21, the second inner annular wall 22 and the annular top wall 23 together enclose a second gas mixing cavity 24, and the annular top wall 23 is provided with at least two fire outlets 231 communicated with the second gas mixing cavity 24. At least two fire holes 231 are arranged on the annular top wall 23 of the second fire cover 2, so that the second fire cover 2 is a mesh fire cover with fire holes, a direct-injection fire outlet mode can be formed, and the thermal efficiency of the second fire cover 2 for heating the bottom of a pot is improved. In order to realize that the second fire cover 2 can deliver gas to the fire transfer chamber 3, the part of the first inner annular wall 21 corresponding to the fire transfer chamber 3 is provided with an air inlet hole 211 communicated with the second air mixing chamber 24. The embodiment also provides a burner using the burner fire cover, which comprises a base 4 provided with a first gas channel 41 communicated with the fire cover body 1 and a second gas channel 42 communicated with the second fire cover 2, and a connecting body 5 arranged on the base 4, wherein the connecting body 5 comprises an annular body with a central hole 51 in the center, the upper surface of the annular body is provided with a first convex ring 52, a second convex ring 53, a third convex ring 54 and a fourth convex ring 55 which are sequentially arranged from the periphery of the central hole 51 in a radial direction outwards and from the inside outwards at intervals, the fire cover body 1 is correspondingly placed on the first convex ring 52 and the second convex ring 53, and the first gas mixing cavity 14 of the fire cover body 1 is communicated with the first gas channel 41; and the second fire lid 2 is seated on the third bead 54 and the fourth bead 55, respectively, and the second gas mixing chamber 24 of the second fire lid 2 communicates with the second gas passage 42. In order to realize that the gas in the base 4 flows into the fire lid body 1 and the second fire lid 2 through the connecting body 5, the annular body of the connecting body 5 is circumferentially provided with first openings 56 communicating the first gas mixing chamber 14 with the first gas passage 41 at intervals between the first convex ring 52 and the second convex ring 53, and circumferentially provided with second openings 57 communicating the second gas mixing chamber 24 with the second gas passage 42 at intervals between the third convex ring 54 and the fourth convex ring 55. The outer peripheral wall 12 of the fire cover body 1 is placed on the second convex ring 53, the first inner annular wall 21 of the second fire cover 2 is placed on the third convex ring 54, an air supplementing cavity 6 is formed between the fire cover body 1 and the second fire cover 2, and the fire transfer chamber 3 is communicated with the air supplementing cavity 6 through the air inlet 36. For the secondary air rational distribution that can make the side air inlet, connector 5 still is equipped with a plurality of radial secondary tonifying qi passageways 58 that are used for connecting tonifying qi chamber 6 and external world along circumference interval, and connector 5 has the separator 7 of separating secondary tonifying qi passageway 58, and separator 7 can separate secondary tonifying qi passageway 58 into two relatively independent spaces, communicates fire lid body 1 and second fire lid 2 respectively. The partitioning member 7 of the present embodiment includes a partition plate, which is a horizontal partition plate, in view of the simple structure of the partitioning member 7. In order to realize the function of the baffle plate for guiding the overflowing liquid besides the separating function, the outer end 71 of the baffle plate extends into the secondary air supplementing channel 58 and gradually inclines downwards from inside to outside. In addition, to achieve the connection of the partition, the inner end 72 of the partition is connected to the extension wall 531 extending downward from the second bead 53. Wherein, the second wall surface 112b of the annular inner step 112 of the fire cover body 1 abuts against the periphery of the central hole 51, the first wall surface 112a of the annular inner step 112 of the fire cover body 1 abuts against the first convex ring 52, thereby enclosing the flame holding cavity 8 of the main fire hole 111 of the fire cover body 1, and the flame holding cavity 8 is communicated with the first supplementary groove 1121 and the second supplementary groove 1122, thereby realizing the connection of the fire cover body 1 and the connecting body 5; in addition, the top of the fire lid body 1 is also provided with an air outlet 10, the annular peripheral wall 11 encloses a central cavity 110, the center of the base 4 and the central cavity 110 jointly form an air supplement channel 40 which is vertically communicated and communicated with the air outlet 10, the air supplement channel 40 is internally provided with an adjusting piece 80, so that secondary air supplement to the fire lid body 1 is realized, and the air quantity in the air supplement channel 40 can be adjusted by the adjusting piece 80. The adjusting piece 80 of this embodiment includes a screw connection portion 801 screwed with the pipe wall of the air supply passage 40, and a flow guiding portion 802 for guiding the overflow to the secondary air supply passage 58, the flow guiding portion 802 gradually inclines downward from the center to the periphery toward the secondary air supply passage 58, the air amount of the air supply passage 40 is changed by the up-down movement mode of the adjusting piece 80, when the overflow occurs during the cooking process, the flow guiding portion 802 of the adjusting piece 80 can partially guide the overflow to the secondary air supply passage 58, so that the secondary air supply passage 58 can be used as a passage for laterally supplying the secondary air to the fire lid body 1 and the second fire lid 2, and can also be used as a passage for discharging the overflow. The annular peripheral wall 11 of the burner fire cover is provided with main fire holes 111 at intervals along the circumferential direction, in order to better provide secondary air for the main fire holes 111, the bottom of the annular peripheral wall 11 of the fire cover body 1 is provided with a supplement groove for supplementing the secondary air for the main fire holes 111, and the supplement groove comprises a first supplement groove 1121 on a first wall surface 112a above a step and a second supplement groove 1122 on a second wall surface 112b below the step, so that the first supplement groove 1121 and the second supplement groove 1122 can supplement the secondary air to the main fire holes 111 from both the inside and the outside, the combustion of the main fire holes 111 can be better promoted, the flame of the burner is short, uniform and powerful, and the defects of yellow flame, tempering and the like can not occur; the utility model also provides a burner using the burner fire cover, wherein the fire cover body 1 and the second fire cover 2 are respectively communicated with the gas channel of the base 4 through the connecting body 5, so that stable combustion can be better carried out.

Referring to fig. 3, as described above, the paths of the primary air, gas and mixed primary air and gas inside the burner are as follows: the low pressure caused by the injection of the first gas channel 41 of the base 4 and the injector corresponding to the second gas channel 42 respectively enters the first gas mixing cavity 14 and the second gas mixing cavity 24 through the first opening 56 and the second opening 57 to premix primary air and gas, the mixed primary air and gas finally pass through the main fire hole 111 or the fire outlet hole 231 of the fire cover body 1 and the second fire cover 2 and are ignited together with the secondary air of the external environment, and meanwhile, the inner ring fire formed by the fire cover body 1 can transfer fire to the second fire cover 2 through the fire transfer chamber 3, so that inner ring fire and outer ring fire are formed; the bottom of the annular peripheral wall 11 of the fire lid body 1 has an annular inner step 112, the annular inner step 112 and the connecting body 5 cooperate to form the flame holding chamber 8, and the first supplementary groove 1121 and the second supplementary groove 1122 of the supplementary groove form a channel for supplying secondary air and a channel for flowing out flame holding fire in the flame holding chamber 8, so as to form the flame holding fire lid body 1. In summary, when the user needs to reduce the amount of air in the air supply passage 40, the adjusting member 80 only needs to be moved upward, and the adjusting member 80 moved upward can also be used as the separating member 7 in the secondary air supply passage 58, so that the amount of secondary air supplied to the inner surface of the fire lid body 1 can be reduced, and if the amount of air is to be increased, the operation is reversed.

Claims (5)

1. The utility model provides a combustor for gas-cooker, is including base (4), connector (5) of setting on base (4) and fire lid body (1) of setting on connector (5), the top of fire lid body (1) is formed with air outlet (10), and annular perisporium (11) of fire lid body (1) enclose into central cavity (110), the center of base (4) with central cavity (110) constitute jointly from top to bottom link up and with air supply channel (40) that air outlet (10) are linked together, its characterized in that: and a regulating piece (80) capable of regulating the air quantity in the air supplementing channel (40) is arranged in the air supplementing channel (40).

2. Burner for gas cooktops according to claim 1, characterized in that: the adjusting member (80) adjusts the amount of air in the air replenishing passage (40) by moving up and down.

3. Burner for gas cooktops according to claim 2, characterized in that: the fire cover is characterized in that a second fire cover (2) is further arranged on the periphery of the fire cover body (1), a plurality of radial secondary air supplementing channels (58) used for connecting an air supplementing cavity (6) with the outside are further arranged on the connecting body (5) at intervals along the circumferential direction, the adjusting piece (80) comprises a screwing part (801) screwed with the pipe wall of the air supplementing channel (40) and a flow guiding part (802) used for guiding overflow liquid to the secondary air supplementing channel (58), and the flow guiding part (802) gradually inclines downwards towards the secondary air supplementing channel (58) from the center to the periphery.

4. Burner for gas cooktops according to claim 3, characterized in that: the annular peripheral wall (11) of the fire cover body (1) is provided with main fire holes (111) at intervals along the circumferential direction, the bottom of the annular peripheral wall (11) of the fire cover body (1) is provided with a supplement groove used for supplementing secondary air to the main fire holes (111), the supplement groove is in fluid communication with the air supplement channel (40), and the connecting body (5) is matched with the supplement groove of the fire cover body (1) to form a flame stabilizing chamber (8) of the main fire holes (111) of the fire cover body (1).

5. Burner for gas cooktops according to claim 4, characterized in that: the connecting body (5) comprises an annular body with a central hole (51) in the center, the upper surface of the annular body is provided with first convex rings (52) at intervals outwards along the radial direction from the periphery of the central hole (51), the bottom of the annular peripheral wall (11) of the fire cover body (1) is provided with an annular inner step (112), the supplement groove comprises a first supplement groove (1121) positioned on a first wall surface (112a) above the step and a second supplement groove (1122) positioned on a second wall surface (112b) below the step, the second wall surface (112b) of the annular inner step (112) of the fire cover body (1) is abutted against the periphery of the central hole (51), the first wall surface (112a) of the annular inner step (112) of the fire cover body (1) is abutted against the first convex ring (52), so as to enclose a flame chamber (8) of a main fire hole (111) of the fire cover body (1), the flame holding chamber (8) is communicated with the first supplementary groove (1121) and the second supplementary groove (1122).

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