CN210197281U

CN210197281U - Burner for gas stove

Info

Publication number: CN210197281U
Application number: CN201920367521.9U
Authority: CN
Inventors: Haizhong Shao; 邵海忠; Junmei Zheng; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-03-27
Anticipated expiration: 2029-03-21

Abstract

The utility model relates to a burner for a gas stove, which comprises a base; the inner ring fire lid of setting on the base, the inner ring fire lid includes the roof and by the annular wall of the periphery downwardly extending of this roof to and form central gas mixing chamber between the base, the annular wall has seted up the intercommunication along circumference interval the play fire hole of central gas mixing chamber, its characterized in that: the annular wall is equipped with the annular and deposits the cistern, compares with prior art, the utility model has the advantages of independently form the annular that can hold dress overflow at the inner ring fire lid and deposit the cistern, because the setting up of annular deposit cistern can reduce the probability that the liquid body such as overflow effectively made the annular chamber blackened between inner ring fire lid and the outer loop fire lid, can prevent effectively that the overflow from being burnt dry the phenomenon that the bottom that forms the annular chamber blackened, compare and wash the annular chamber, it is easier to wash annular deposit the cistern, realizes easy cleanness.

Description

Burner for gas stove

Technical Field

The utility model relates to a domestic kitchen utensils and appliances field especially relates to a combustor for gas-cooker.

Background

The gas burner of the existing household gas stove comprises a gas mixing chamber, a fire cover, an injection pipe and the like, wherein the gas mixing chamber of the burner is an important part of the stove, and the gas mixing chamber is used for mixing gas, so that the gas and primary air are mixed more uniformly; meanwhile, secondary air is supplied to the inner ring, the current integrally fixed structure of the air mixing chamber is not beneficial to the cleaning of the stove, for example, a similar air mixing chamber is disclosed in the Chinese utility model patent with the patent number ZL201420072885 (with the publication number CN2037314112U), or the Chinese invention patent with the patent number ZL200610052382.8 (with the publication number CN1884911A) or the Chinese invention patent for a gas stove upper air inlet type burner with the patent number ZL201410209837.7 (with the publication number CN103994436B), and the upper air inlet type burner for the gas stove comprises a base, the air mixing chamber, an outer ring fire cover, an inner ring fire cover and a gas pipe seat. Wherein, the base is provided with a concave cavity with an upward opening at the upper part, the air mixing chamber is arranged above the base and is provided with an annular cavity, the inner ring fire cover and the outer ring fire cover are arranged above the air mixing chamber and are respectively positioned at the inner side and the outer side of the annular cavity, the side part of the air mixing chamber is provided with a secondary air hole, the secondary air hole is communicated with the annular cavity to form a secondary air channel, in addition, the fire hole of the inner ring fire cover faces the annular cavity, so the secondary air channel is used for supplementing the secondary air of the inner ring fire, the inner ring fire is combusted more fully, but as the gas mixing chamber is integrated, the soup overflow is easy to remain in the annular cavity, which is not only unfavorable for the cleaning of the burner, and the overflow is easy to be burnt out through the inner ring fire to make the annular cavity blacken, and if the overflow is inside the gas mixing chamber and inside the waist-shaped hole, the complaint that the gas mixing chamber is not easy to clean is more and more, and the inner ring fire cover also needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that a combustor for a gas stove, which can reduce the probability that liquid such as overflow liquid blackens an annular cavity, is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the burner for the gas stove comprises

A base;

the inner ring fire cover is arranged on the base, the inner ring fire cover comprises a top wall and an annular wall which is formed by downward extension of the periphery of the top wall, a central gas mixing chamber is formed between the inner ring fire cover and the base, and the annular wall is provided with fire outlets communicated with the central gas mixing chamber at intervals along the circumferential direction, and the inner ring fire cover is characterized in that: the annular wall is provided with an annular liquid storage tank for containing liquid materials such as overflowing liquid and the like.

Preferably, the annular liquid storage groove is positioned below the fire outlet. Even if liquid such as overflowing liquid enters the fire outlet, the annular liquid storage tank can also contain a part of overflowing liquid and other liquid which flows back from the fire outlet, and the probability that the annular cavity is blackened by the overflowing liquid and other liquid is further reduced.

In order to facilitate liquid materials such as overflowing liquid to fall into the annular liquid storage tank through the first wall surface when the liquid materials descend along the annular wall, the annular wall is provided with an outer step, the outlet end of the fire outlet hole is located on the second wall surface below the outer step, and the first wall surface above the outer step corresponds to the annular liquid storage tank. Because the liquid such as the overflow liquid falls into the annular liquid storage tank through the first wall surface when descending along the annular wall, and does not pass through the second wall surface where the outlet end of the fire outlet is located, the blockage of the fire outlet by the liquid such as the overflow liquid can be effectively avoided.

In order to realize that the annular liquid storage tank also has the function of guiding secondary air to the fire outlet holes, the annular liquid storage tank comprises an inner side peripheral wall and an outer side peripheral wall, the outer side peripheral wall is gradually inclined upwards from outside to inside along the radial direction, and a liquid storage area is formed together with the inner side peripheral wall.

In order to facilitate cleaning of the annular liquid storage tank, the inner side peripheral wall and the annular wall are integrally arranged. When taking, the cup can be taken together with the inner ring fire cover.

In order to stabilize the flame and produce the fire hole, the first wall surface above the said outer step has flame stabilizing holes communicated with said central gas mixing chamber along the circumference interval.

In order to prevent the flame stabilizing hole and the fire outlet hole from being blocked by overflowing liquid, the periphery of the top wall of the inner ring fire cover is further extended outwards to form a circle of waterproof eaves for shielding the flame stabilizing hole and the fire outlet hole.

In order to facilitate liquid bodies such as overflowing liquid and the like to directly fall into the annular liquid storage tank when descending along the waterproof eaves, the waterproof eaves are closer to the annular wall than the outer side peripheral wall. So as to further avoid liquid such as overflowing liquid from blocking the flame stabilizing hole and the flame outlet hole.

Compared with the prior art, the utility model has the advantages of the annular that can hold dress overflow liquid is independently formed at inner ring fire lid deposits the cistern, because the setting up of annular deposit cistern can reduce the probability that liquid such as overflow liquid made the annular chamber blackened between inner ring fire lid and the outer ring fire lid effectively, can prevent effectively that the overflow liquid from being burnt dry the phenomenon that the bottom that forms the annular chamber blackened, compares and washs the annular chamber, washs the annular and deposits the cistern easier, realizes easy cleanness.

Drawings

Fig. 1 is a schematic structural view of a burner in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an angle of the inner ring fire cover in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an inner ring fire cover at another angle in embodiment 1 of the present invention;

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

FIG. 5 is a cross-sectional view at an angle of FIG. 1;

FIG. 6 is a schematic view of another angle of FIG. 1;

fig. 7 is a schematic structural view of the thermocouple corresponding to the inner ring fire cover in embodiment 1 of the present invention;

fig. 8 is a schematic structural view of the ignition needle corresponding to the inner ring fire cover in embodiment 1 of the present invention;

fig. 9 is a schematic structural view of a burner in embodiment 2 of the present invention;

fig. 10 is a cross-sectional view of fig. 9.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

As shown in fig. 1 to 8, the burner for gas range of the present embodiment includes a base 1; the inner ring fire cover 2 is arranged on the base 1, the inner ring fire cover 2 comprises a top wall 21 and an annular wall 22 extending downwards from the periphery of the top wall 21, a central air mixing chamber 23 is formed between the inner ring fire cover and the base 1, a flow guide channel 3 used for guiding overflowing liquid is arranged in the central air mixing chamber 23, a liquid inlet 32 of the flow guide channel 3 is arranged on the top wall 21, a liquid outlet 31 of the flow guide channel 3 is arranged on the annular wall 22, an annular liquid storage tank 4 communicated with the liquid outlet 31 is further arranged below the liquid outlet 31 of the annular wall 22, in order to increase the speed of the overflowing liquid flowing out of the inner ring fire cover 2, the flow guide channel 3 comprises a vertical main flow channel 33 and at least one horizontal flow distribution channel 34 communicated with the main flow channel 33, and the flow distribution channel 34 gradually expands outwards from inside to outside along the radial direction of the inner ring fire cover 2, and preferably, the flow distribution channel 34. The inner ring fire cover 2 is internally and independently provided with a space capable of containing overflowed liquid, and is provided with a flow guide channel 3 capable of guiding the overflowed liquid to the annular wall 22, so that the overflowed liquid can be discharged from the central gas mixing chamber 23 quickly, the discharged overflowed liquid flows into the annular liquid storage tank 4, the fire of the fire hole of the annular wall 22 is not influenced, the annular liquid storage tank 4 is particularly suitable for being matched with a sharp pot, and has the function of dual purposes, the annular liquid storage tank 4 comprises an inner side peripheral wall 41 and an outer side peripheral wall 42, the outer side peripheral wall 42 is gradually inclined upwards along the radial direction from outside to inside, and forms a liquid storage area together with the inner side peripheral wall 41, and the outer side peripheral wall 42 also has the function of guiding secondary air. In addition, the annular wall 22 is opened with fire holes 227 communicated with the central air mixing chamber 23 at intervals along the circumferential direction, and the annular liquid storage tank 4 is positioned below the fire holes 227. The annular liquid storage tank 4 can also contain a part of liquid such as overflowing liquid and the like flowing back from the fire outlet 227, and the probability of blackening the annular cavity caused by the liquid such as overflowing liquid and the like is further reduced.

Wherein, the annular wall 22 has an outer step 228, the outlet end of the fire hole 227 is located on the second wall 2281 below the outer step 228, and the first wall 2282 above the outer step 228 corresponds to the annular liquid storage tank 4. Since the liquid material such as the overflowing liquid falls into the annular liquid storage tank 4 through the first wall surface 2282 when the liquid material descends along the annular wall 22, and does not pass through the second wall surface 2281 where the outlet end of the fire hole 227 is located, the liquid material such as the overflowing liquid can be effectively prevented from blocking the fire hole 227.

Preferably, the inner peripheral wall 41 is integrally formed with the annular wall 22 and is removable with the inner fire cover 2 during cleaning. In order to stabilize the flame outlet 227, flame stabilizing holes 229 communicated with the central air mixing chamber 23 are formed in the first wall surface 2282 above the outer step 228 at intervals along the circumferential direction. In order to prevent liquid such as spilled liquid from blocking the flame stabilizing holes 229 and the fire outlet holes 210, a circle of waterproof eaves 210 for shielding the flame stabilizing holes 229 and the fire outlet holes 227 is further extended outwards from the periphery of the top wall 21 of the inner ring fire cover 2. The waterproof eaves 210 are closer to the annular wall 22 than the outer peripheral wall 42. In order to facilitate the liquid material such as the overflow liquid to directly fall into the annular liquid storage tank 4 when the liquid material descends along the waterproof brim 210, so as to further avoid the liquid material such as the overflow liquid from blocking the flame stabilizing hole 229 and the flame outlet hole 227.

In addition, in order to effectively prevent the overflowing liquid from entering the ignition hole 221 and improve the ignition efficiency, the ignition needle 5 is further arranged at the position, close to the annular wall 22 of the inner ring fire cover 2, of the base 1, at least one ignition hole 221 is formed in the wall surface, corresponding to the ignition needle 5, of the annular wall 22, the auxiliary ignition hole 222 communicated with the ignition hole 221 is formed in the position, close to the ignition hole 221, of the annular wall 22, the auxiliary ignition hole 222 has a double protection effect, on one hand, the effect of improving the success rate of the ignition hole 221 is achieved, even if the overflowing liquid enters the ignition hole 221, the phenomenon that the overflowing liquid cannot ignite easily occurs, and on the other hand, the effect of the flame stabilizing ignition hole 221. Preferably, the auxiliary ignition holes 222 have two symmetrically disposed at both sides of the ignition hole 221, and even if there is a shaking in assembling the inner ring ignition cap 2 and the base 1, the two auxiliary ignition holes 222 can ensure that the user can successfully ignite when the user places the inner ring ignition cap 2 not in the center. Meanwhile, a thermocouple 6 arranged opposite to the ignition needle 5 is further arranged on the base 1, the thermocouple 6 and the ignition needle 5 are located at two ends of the inner ring fire cover 2 in the diameter direction, at least one fire protection hole 223 is formed in the wall surface of the annular wall 22 corresponding to the thermocouple 6, and an auxiliary fire protection hole 224 communicated with the fire protection hole 223 is formed in the position, adjacent to the fire protection hole 223, of the annular wall 22. This supplementary hole 224 of protecting a fire has the duplicate protection effect, has the effect that improves the hole 223 of protecting a fire success rate on the one hand, can ensure the heated area of thermocouple 6 and flame contact, and thermocouple 6 is not only heated sufficiently to produce sufficient thermoelectromotive force, on the other hand has the effect of flame stabilizing hole 223 of protecting a fire. Preferably, the auxiliary fire protection holes 224 have two, symmetrically disposed at both sides of the fire protection hole 223. Even there is rocking when inner ring fire lid 2 and base 1 assembly, two supplementary fire protection holes 224 can also guarantee that the user places inner ring fire lid 2 and also can successfully protect the fire when not centering.

In order to make the fool-proof effect of the inner ring fire cover 2 good, the annular wall 22 of the inner ring fire cover 2 is partially inwardly contracted along the radial direction of the inner ring fire cover 2 on the first wall surface 225 where the ignition hole 221 and the auxiliary ignition hole 222 are located, the annular wall 22 of the inner ring fire cover 2 is also partially inwardly contracted along the radial direction of the inner ring fire cover 2 on the second wall surface 226 where the fire protection hole 223 and the auxiliary fire protection hole 224 are located, and the inward contraction lengths of the two are the same. Because the first wall 225 and the second wall 226 are symmetrically positioned with respect to the base 1, the fire holes at the ignition and fire-holding locations are also uniformly arranged, and no matter how they are arranged, the ignition and fire-holding are not affected. In order to further reduce the influence of the overflowing liquid on the ignition needle 5 and the thermocouple 6, the waterproof eaves 210 also plays a role of shielding the overflowing liquid above the ignition needle 5 and the thermocouple 6. The base 1 is provided with an inner ring gas channel 11 communicated with the central gas mixing chamber 23, the diversion channel 34 can at least partially shield the gas outlet end 111 of the inner ring gas channel 11, and the diversion channel 34 can also slow down the speed of the gas and primary air mixture entering the central gas mixing chamber 23, so that the fire of the inner ring fire cover 2 is more stable. In order that the gas outlet end 111 of the inner ring gas channel 11 also has a certain speed of slowing down the speed of the mixture of the gas and the primary air entering the central gas mixing chamber 23, the sectional area of the gas outlet end 111 of the inner ring gas channel 11 is gradually reduced from bottom to top, and the sectional area of the central gas mixing chamber 23 is larger than the sectional area of the uppermost part of the gas outlet end 111.

The burner comprises a base 1, a plurality of radial secondary air supply channels which are used for communicating an air supply cavity with the outside are arranged on the base 1 at intervals along the circumferential direction, secondary air flowing out of the secondary air supply channels is divided into an inner independent channel and an outer independent channel by an annular liquid storage tank 4 positioned in the air supply cavity, wherein one path of secondary air independently supplies secondary air to the root of an outer fire hole of an outer fire cover 7, and the other path of secondary air independently supplies secondary air to an inner fire hole of an inner fire cover 2.

Example 2

The structure is basically the same as that of the embodiment 1, and the only difference is that: as shown in fig. 9 and 10, the arrangement of the outer fire cover 7 is different, in the outer fire cover 7 of the present embodiment, the outer fire cover 7 is also arranged on the base 1 and located at the periphery of the inner fire cover 2, the outer fire cover 7 includes an annular top wall 70, an inner annular wall 71 and an outer annular wall 72 extending vertically or obliquely downward from the inner and outer edges of the annular top wall 70, and the base 1 form an outer fire mixing chamber 73, the annular top wall 21 is provided with first top walls 211 gradually inclining upward from the outer periphery to the center at intervals, and the inner annular wall 71 is provided with first outer fire holes 731 communicated with the outer fire mixing chamber 73 at a position corresponding to the first top walls 211. Because the first outer fire hole 731 is inclined upwards from the outer periphery to the center of the first top wall 211, the overflow falls into the first top wall 211 corresponding to the fire hole, so that the overflow can be guided away from the first outer fire hole 731 quickly. In order to realize the staggered arrangement of the fire outlet holes and the outer fire holes of the outer ring fire cover 7 and more evenly distributed at the bottom of the pot bottom, the ring-shaped top wall 70 further comprises a second top wall 212 connected with the adjacent first top wall 211, the second top wall 212 gradually inclines downwards from the outer periphery to the center, the position of the outer ring wall 72 corresponding to the second top wall 212 is provided with a second outer fire hole 732 communicated with the outer ring gas mixing chamber 73, as the second outer fire hole 732 corresponding to the second top wall 212 gradually inclines downwards from the outer periphery to the center, the overflowed liquid falls into the second top wall 212 corresponding to the outer fire hole, the overflowed liquid can be quickly guided to the position far away from the outer fire hole, and the position where the overflowed liquid is guided out is not provided with the first outer fire hole 731 on the inner ring wall 71, therefore, the influence of the overflowed liquid on the first outer fire hole 731 is avoided, in addition, the staggered arrangement of the first top wall 211 and the second top wall 212, simultaneously, the upside of first outer fire hole 731 is for the first roof 211 from the periphery upwards slope gradually to central authorities, and the secondary air supply that introduces from first roof 211 gives the tip of fire hole, is favorable to the abundant burning of first outer fire hole 731, in addition, because first outer fire hole 731 corresponds first roof 211 for from the periphery upwards slope gradually to central authorities for the overflow falls into the first roof 211 that first outer fire hole 731 corresponds, can be fast with the position that the first outer fire hole 731 is kept away from in the direction of overflow. In addition, a space capable of containing the overflowing liquid is independently formed in the inner ring fire cover 2, the guide channel 3 capable of guiding the overflowing liquid to the annular wall 22 is arranged, the overflowing liquid can be discharged from the central gas mixing chamber 23 quickly, the discharged overflowing liquid flows into the annular liquid storage tank 4, and fire of fire holes in the annular wall 22 is not influenced.

Claims

1. A burner for gas stove comprises

A base (1);

inner ring fire lid (2), set up on base (1), inner ring fire lid (2) include roof (21) and by annular wall (22) of the peripheral downwardly extending of this roof (21) to and base (1) between form central gas mixing chamber (23), annular wall (22) are seted up the intercommunication along circumference interval the play fire hole (227) of central gas mixing chamber (23), its characterized in that: the annular wall (22) is provided with an annular liquid storage tank (4).

2. Burner for gas cooktops according to claim 1, characterized in that: the annular liquid storage tank (4) is positioned below the fire outlet (227).

3. Burner for gas cooktops according to claim 2, characterized in that: the annular wall (22) is provided with an outer step (228), the outlet end of the fire outlet hole (227) is positioned on a second wall surface (2281) below the outer step (228), and a first wall surface (2282) above the outer step (228) corresponds to the annular liquid storage tank (4).

4. Burner for gas cooktops according to claim 3, characterized in that: the annular liquid storage tank (4) comprises an inner side peripheral wall (41) and an outer side peripheral wall (42), wherein the outer side peripheral wall gradually inclines upwards from outside to inside along the radial direction and forms a liquid storage area together with the inner side peripheral wall (41).

5. Burner for gas cooktops according to claim 4, characterized in that: the inner peripheral wall (41) is provided integrally with the annular wall (22).

6. The burner for a gas range according to any one of claims 4 to 5, wherein: and flame stabilizing holes (229) communicated with the central air mixing chamber (23) are formed in the first wall surface (2282) above the outer step (228) at intervals along the circumferential direction.

7. Burner for gas cooktops according to claim 6, characterized in that: the periphery of the top wall (21) of the inner ring fire cover (2) is also continuously extended outwards to form a circle of waterproof eaves (210) for shielding the flame stabilizing holes (229) and the fire outlet holes (227).

8. Burner for gas cooktops according to claim 7, characterized in that: the waterproof eaves (210) are closer to the annular wall (22) than the outer peripheral wall (42).