A burner and a gas stove

Abstract

The present invention discloses a burner and a gas stove. The burner includes a burner cap, which includes a burner cap body. A plurality of first fire holes and a plurality of second fire holes are formed in the burner cap body. The plurality of first fire holes are arranged to form a first fire hole group, and the plurality of second fire holes are arranged to form a second fire hole group. The second fire hole group is located inside or outside the first fire hole group. A first air vent groove is formed between the first fire holes; a third fire hole is vertically arranged inside the first fire hole group and the second fire hole group; a gas supply pipe is communicated with an external gas supply pipeline; a gas distributing member, one end of the gas distributing member is communicated with the gas supply pipe, and the other end is arranged on the lower side of the burner cap body; a first air passage, a second air passage and a third air passage are formed in the gas distributing member. The first fire holes are communicated with the gas supply pipe through the first air passage, the second fire holes are communicated with the gas supply pipe through the second air passage, and the third fire holes are communicated with the gas supply pipe through the third air passage.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchenware, and in particular to a burner and a gas stove. Background Art

[0002] In order to solve the problem of low heat load, existing gas stoves generally set two sets of inner and outer fire holes on the fire cover to obtain two rings of flames, thereby increasing the heat load. However, such a setting easily causes insufficient secondary air supply to the flame, resulting in higher CO emissions from combustion than the standard.

[0003] Therefore, there is an urgent need for a burner fire cover to solve the above problems. Summary of the invention

[0004] The present invention aims to solve at least one of the problems existing in the prior art to a certain extent. To this end, the present invention proposes a burner fire cover that can enable the gas stove to have a larger heat load, high combustion efficiency, and CO emissions that meet standards.

[0005] The above purpose is achieved through the following technical solutions:

[0006] A burner, comprising:

[0007] A fire cover, comprising a fire cover body, the fire cover body being provided with a plurality of first fire holes and a plurality of second fire holes, the plurality of first fire holes being arranged to form a first fire hole group, the plurality of second fire holes being arranged to form a second fire hole group, the second fire hole group being located inside or outside the first fire hole group, and a first ventilation groove being provided between the first fire holes;

[0008] A third fire hole is vertically arranged inside the first fire hole group and the second fire hole group;

[0009] An air supply pipe, connected to an external air supply pipeline;

[0010] An air distributor, one end of which is connected to the air supply pipe, and the other end of which is arranged on the lower side of the fire cover body;

[0011] The gas distributor has a first gas passage, a second gas passage and a third gas passage, the first fire hole is connected to the gas supply pipe through the first gas passage, the second fire hole is connected to the gas supply pipe through the second gas passage, and the third fire hole is connected to the gas supply pipe through the third gas passage; or

[0012] The gas distributor has a third gas passage and a fourth gas passage in it. The first fire hole and the second fire hole are both connected to the gas supply pipe through the fourth gas passage, and the third fire hole is connected to the gas supply pipe through the third gas passage.

[0013] Optionally, a first air passage and a second air passage are formed in the air distributing member. The first flame holes are communicated with the gas supply pipe through the first air passage, and the second flame holes are communicated with the gas supply pipe through the second air passage.

[0014] Optionally, the first ventilation groove is arranged between two adjacent first flame holes or at intervals of multiple first flame holes.

[0015] Optionally, the first ventilation groove is also arranged between the second flame holes. The bottom side of the first ventilation groove arranged between the first flame holes is lower than the bottom side of the first flame holes and / or the bottom side of the first ventilation groove arranged between the second flame holes is lower than the bottom side of the second flame holes.

[0016] Optionally, the first ventilation groove is arranged between two adjacent second flame holes or at intervals of multiple second flame holes.

[0017] Optionally, both the first flame hole group and the second flame hole group are arranged in a circular ring shape, and the centers of the first flame hole group and the second flame hole group are located on the same straight line.

[0018] Optionally, a second ventilation groove is further arranged on the upper side of the burner cap body, and the second ventilation groove is located between the first flame hole group and the second flame hole group.

[0019] Optionally, a third ventilation groove is further formed in the middle of the burner cap body, and the third ventilation groove is located inside the first flame hole group and the second flame hole group.

[0020] Optionally, both the first flame holes and the second flame holes are opened towards the outside of the burner cap.

[0021] Optionally, both the first flame holes and the second flame holes are opened towards the inside of the burner cap.

[0022] On the other hand, the present invention provides a gas stove including the above burner.

[0023] Compared with the prior art, the present invention has at least the following beneficial effects:

[0024] The burner provided by the present invention includes a burner cap, an air distributing member and a gas supply pipe. By arranging the first flame hole group and the second flame hole group on the burner cap, the heat load of the burner is increased. And by arranging the first ventilation groove between the first flame holes, sufficient secondary air can enter between the first flame hole group and the second flame hole group through the first ventilation groove, so that there is sufficient secondary air between the first flame hole group and the second flame hole group, thereby improving the combustion sufficiency of the flames at the first flame holes and the second flame holes, further improving the combustion efficiency, and avoiding the problem of excessive CO emissions caused by incomplete combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. is a perspective structural view of a burner cap provided by a specific embodiment of the present invention;

[0026] Figure 2 FIG. is a perspective structural view of a burner cap provided by another specific embodiment of the present invention;

[0027] Figure 3 FIG. is a top view of a burner provided by a specific embodiment of the present invention;

[0028] Figure 4 is Figure 3 a sectional view taken along line A in FIG. ;

[0029] Figure 5 is Figure 3 a sectional view taken along line B in FIG. ;

[0030] Figure 6 FIG. is a top view of the burner with the gas supply pipe removed provided by a specific embodiment of the present invention;

[0031] Figure 7 is Figure 6 a sectional view taken along line C in FIG. ;

[0032] Figure 8 is Figure 6 a sectional view taken along line D in FIG. ;

[0033] Figure 9 FIG. is a top view of the burner with the gas supply pipe removed provided by another specific embodiment of the present invention;

[0034] Figure 10 is Figure 9 a sectional view taken along line E in FIG. ;

[0035] In the figures:

[0036] 1, burner cap; 11, burner cap body; 12, first burner hole group; 121, first burner hole; 13, second burner hole group; 131, second burner hole; 14, first ventilation groove; 15, third burner hole; 16, second ventilation groove; 17, third ventilation groove;

[0037] 2, gas distributor; 21, first air passage; 22, second air passage; 23, third air passage; 24, fourth air passage; 3, gas supply pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0038] The following embodiments illustrate the present invention, but the present invention is not limited by these embodiments. Modifications to the specific embodiments of the present invention or equivalent replacements of some technical features, without departing from the spirit of the present invention's solution, should all be covered within the scope of the technical solution claimed by the present invention.

[0039] Please refer to Figure 1 , the present invention provides a burner cap, including a burner cap body 11. A plurality of first fire holes 121 and a plurality of second fire holes 131 are formed on the burner cap body 11. The plurality of first fire holes 121 are arranged to form a first fire hole group 12, and the plurality of second fire holes 131 are arranged to form a second fire hole group 13. The second fire hole group 13 is located inside the first fire hole group 12. A first ventilation groove 14 is formed between two adjacent first fire holes 121, and the bottom side of the first ventilation groove 14 is lower than the bottom side of the first fire hole 121. By providing the first fire hole group 12 and the second fire hole group 13, the heat load of the burner is increased. And by providing the first ventilation groove 14 between the first fire holes 121, sufficient secondary air can enter between the first fire hole group 12 and the second fire hole group 13 through the first ventilation groove 14, so that there is sufficient secondary air between the first fire hole group 12 and the second fire hole group 13, thereby improving the combustion sufficiency of the flames at the first fire holes 121 and the second fire holes 131, and further improving the combustion efficiency, and avoiding the problem of excessive CO emissions caused by incomplete combustion.

[0040] Optionally, the first ventilation groove 14 is provided between two adjacent first fire holes 121 or is provided with an interval of multiple first fire holes 121, as long as there is sufficient secondary air entering between the first fire hole group 12 and the second fire hole group 13 through the first ventilation groove 14 provided between the first fire holes 121.

[0041] To ensure that secondary air can evenly enter between the first fire hole group 12 and the second fire hole group 13 from the first ventilation groove 14 provided between the first fire holes 121, optionally, the first fire holes 121 are evenly arranged on the burner cap body 11, and the first ventilation groove 14 is also evenly arranged between the first fire holes 12.

[0042] Optionally, a first ventilation groove 14 is also provided between the second fire holes 131. The bottom side of the first ventilation groove 14 provided between the first fire holes 121 is lower than the bottom side of the first fire holes 121 and / or the bottom side of the first ventilation groove 14 provided between the second fire holes 131 is lower than the bottom side of the second fire holes 131, so as to further increase the amount of secondary air entering the first fire hole group 12 and the outside of the second fire hole group 13 through the first ventilation groove 14, thereby further ensuring that there is sufficient secondary air between the first fire hole group 12 and the second fire hole group 13.

[0043] Optionally, the first ventilation groove 14 is arranged between two adjacent second flame holes 131 or is arranged with multiple second flame holes 131 in between, as long as it can ensure that there is sufficient secondary air entering between the first flame hole group 12 and the second flame hole group 13 through the first ventilation groove 14 arranged between the second flame holes 131.

[0044] To ensure that the secondary air can uniformly enter between the first flame hole group 12 and the second flame hole group 13 through the first ventilation groove 14 arranged between the second flame holes 131, optionally, the second flame holes 131 are uniformly arranged on the burner cap body 11, and the first ventilation groove 14 is also uniformly arranged between the second flame holes 131.

[0045] Optionally, both the first flame hole group 12 and the second flame hole group 13 are arranged in a circular ring shape, and the centers of the first flame hole group 12 and the second flame hole group 13 are located on the same straight line. With such an arrangement, on the one hand, the uniformity of the flame is ensured, and on the other hand, an aesthetic effect is achieved.

[0046] Optionally, a second ventilation groove 16 is further arranged on the upper side of the burner cap body 11, and the second ventilation groove 16 is located between the first flame hole group 12 and the second flame hole group 13. The arrangement of the second ventilation groove 16, on the one hand, further increases the supply amount of secondary air at the inner side of the first flame hole 121 and the outer side of the second flame hole 131; on the other hand, it can also serve as a liquid storage area for storing the liquid overflowing during cooking.

[0047] Optionally, a third ventilation groove 17 is further opened in the middle of the burner cap body 11, and the third ventilation groove 17 is located inside the second flame hole group 13 to provide sufficient secondary air for the inner side of the second flame hole 131, which is beneficial to the further full combustion of the flame at the second flame hole 131.

[0048] Optionally, the first flame hole 121 and the second flame hole 131 are opened towards the outer side of the burner cap, so that the flames ejected from the first flame hole 121 and the second flame hole 131 will not cross, and the uniformity of the flame can also be improved.

[0049] As Figure 2 shown, in an embodiment, optionally, the first flame hole 121 and the second flame hole 131 are opened towards the inner side of the burner cap, so that the flames ejected from the first flame hole 121 and the second flame hole 131 will not cross and can also obtain a converging flame, which is beneficial to improving the thermal efficiency.

[0050] Please refer to Figures 3 - 5As shown in the figure, on the other hand, the present invention further provides a burner, which includes a gas supply pipe 3, a gas distributing member 2 and the above-mentioned burner cap 1. One end of the gas distributing member 2 is communicated with the gas supply pipe 3, and the other end is arranged on the lower side of the burner cap body 11 and is communicated with the first fire holes 121 and the second fire holes 131 opened on the burner cap body 11. The gas supply pipe 3 is communicated with an external gas supply pipeline. The gas is transported to the gas supply pipe 3 through the external gas supply pipeline, and then transported to the gas distributing member 2 through the gas supply pipe 3. Then, the gas is divided and transported to the burner cap 1 through the gas distributing member 2, and then is ignited at the burner cap 1 by an ignition needle to form a flame and ejected outside the burner cap 1.

[0051] In an embodiment, optionally, a first air passage 21 and a second air passage 22 are opened in the gas distributing member 2. The first fire holes 121 are communicated with the gas supply pipe 3 through the first air passage 21, and the second fire holes 131 are communicated with the gas supply pipe 3 through the second air passage 22. By opening the first air passage 21 and the second air passage 22 in the gas distributing member 2, and the first fire holes 121 are communicated with the first air passage 21, and the second fire holes 131 are communicated with the second air passage 22, that is, air passages are separately opened for both the first fire holes 121 and the second fire holes 131, so as to ensure the stability of gas transportation to the first fire holes 121 and the second fire holes 131, thereby ensuring the combustion stability of the burner.

[0052] Please refer to Figures 6 - 10 As shown in the figure, optionally, it further includes a third fire hole 15, and the third fire hole 15 is vertically arranged inside the second fire hole group 13. Specifically, the third fire hole 15 is located at the central position of the burner cap. Setting the third fire hole 15 can further increase the heat load of the burner. Please refer to Figures 6 - 8 , in an embodiment, a first air passage 21, a second air passage 22 and a third air passage 23 are opened in the gas distributing member 2. The first fire holes 121 are communicated with the gas supply pipe 3 through the first air passage 21, the second fire holes 131 are communicated with the gas supply pipe 3 through the second air passage 22, and the third fire hole 15 is communicated with the gas supply pipe 3 through the third air passage 23, that is, air passages are separately opened for both the first fire holes 21, the second fire holes 22 and the third fire holes 23, so as to ensure the stability of gas transportation to the first fire holes 21, the second fire holes 22 and the third fire holes 23, thereby ensuring the combustion stability of the burner. Please refer to Figure 9 and Figure 10 , in another embodiment, a third air passage 23 and a fourth air passage 24 are opened in the gas distributing member 2. Both the first fire holes 121 and the second fire holes 131 are communicated with the gas supply pipe 3 through the fourth air passage 24, and the third fire hole 15 is communicated with the gas supply pipe 3 through the third air passage 23, as long as it can ensure the stable transportation of gas to the first fire holes 21, the second fire holes 22 and the third fire holes 23.

[0053] Specifically, the third ventilation groove 17 provides secondary air for the third fire hole 15 to ensure the sufficiency of combustion of the flame at the third fire hole 15.

[0054] On the other hand, the present invention also provides a gas stove, including the above burner.

[0055] The above are only some embodiments of the present invention. For those of ordinary skill in the art, without departing from the inventive concept of the present invention, several variations and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. A burner, characterized in that, Including: A burner cap (1), including a burner cap body (11), on which a plurality of first fire holes (121) and a plurality of second fire holes (131) are formed. The plurality of first fire holes (121) are arranged to form a first fire hole group (12), and the plurality of second fire holes (131) are arranged to form a second fire hole group (13). The second fire hole group (13) is located inside or outside the first fire hole group (12). A first ventilation groove (14) is formed between the first fire holes (121), and the first ventilation groove (14) is also provided between the second fire holes (131); A third fire hole (15), vertically arranged inside the first fire hole group (12) and the second fire hole group (13); A gas supply pipe (3), communicating with an external gas supply pipeline; A gas distributing member (2), one end of the gas distributing member (2) is communicated with the gas supply pipe (3), and the other end is arranged on the lower side of the burner cap body (11); A first air passage (21), a second air passage (22) and a third air passage (23) are formed inside the gas distributing member (2). The first fire hole (121) is communicated with the gas supply pipe (3) through the first air passage (21), the second fire hole (131) is communicated with the gas supply pipe (3) through the second air passage (22), and the third fire hole (15) is communicated with the gas supply pipe (3) through the third air passage (23); or a third air passage (23) and a fourth air passage (24) are formed inside the gas distributing member (2). Both the first fire hole (121) and the second fire hole (131) are communicated with the gas supply pipe (3) through the fourth air passage (24), and the third fire hole (15) is communicated with the gas supply pipe (3) through the third air passage (23); A second ventilation groove (16) is further arranged on the upper side of the burner cap body (11). The second ventilation groove (16) is located between the first fire hole group (12) and the second fire hole group (13). The second ventilation groove (16) is used to increase the supply amount of secondary air at the inner side of the first fire hole (121) and the outer side of the second fire hole (131). The second ventilation groove (16) serves as a liquid storage area for storing the liquid overflowing during cooking.

2. The burner according to claim 1, characterized in that, The first ventilation groove (14) is arranged between two adjacent first fire holes (121) or is arranged with a plurality of first fire holes (121) in between.

3. The burner according to claim 2, characterized in that, The bottom side of the first ventilation groove (14) arranged between the first fire holes (121) is lower than the bottom side of the first fire holes (121) and / or the bottom side of the first ventilation groove (14) arranged between the second fire holes (131) is lower than the bottom side of the second fire holes (131).

4. The burner according to claim 3, characterized in that, The first ventilation groove (14) is arranged between two adjacent second fire holes (131) or is arranged with a plurality of second fire holes (131) in between.

5. The burner according to claim 1, characterized in that, Both the first fire hole group (12) and the second fire hole group (13) are arranged in a circular ring shape, and the centers of the first fire hole group (12) and the second fire hole group (13) are located on the same straight line.

6. The burner according to any one of claims 1-5, characterized in that, A third ventilation groove (17) is further formed in the middle of the burner cap body (11), and the third ventilation groove (17) is located inside the first fire hole group (12) and the second fire hole group (13).

7. The burner according to any one of claims 1-5, characterized in that, Both the first fire hole (121) and the second fire hole (131) are formed to face the outside of the burner cap.

8. The burner according to any one of claims 1-5, characterized in that, Both the first fire hole (121) and the second fire hole (131) are formed to face the inside of the burner cap.

9. A gas stove, characterized in that, Comprising a burner according to any one of claims 1-8.

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