Combustor of kitchen range and kitchen range

Abstract

The burner comprises a gas distributing seat, a first fire cover, a second fire cover and a flow distributing piece, the gas distributing seat is provided with a first gas channel, a second gas channel and a gas supplementing channel, the first fire cover is arranged on the gas distributing seat and provided with a first gas outlet hole communicated with the first gas channel, and the second fire cover is arranged on the gas distributing seat and provided with a second gas outlet hole communicated with the second gas channel. The second fire cover is arranged on the gas distribution base and provided with second gas outlet holes communicated with the second gas channel, the first fire cover surrounds the second fire cover, and the flow distribution piece is arranged between the first fire cover and the second fire cover. And the air guide channel is configured to guide air of the air supply channel to flow to the first air outlet hole and / or the second air outlet hole. According to the combustor in the embodiment of the utility model, the combustion efficiency can be improved, and gas can be fully combusted, so that the emission of carbon monoxide is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of stove equipment, in particular to a burner of a stove and a stove comprising the burner. Background Art

[0002] The burner of a gas stove is one of the core components of a gas stove. It is responsible for mixing gas with air to form a combustible mixed gas, and generating flames under the action of an ignition device to heat cookers.

[0003] In the related art, the air required for the flame combustion of the burner is insufficient, resulting in a high content of CO produced by combustion, which affects the stability of the flame. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0005] Therefore, one object of the utility model is to provide a burner for a stove, which can improve the combustion efficiency and make the gas burn fully, thereby reducing the emission of carbon monoxide.

[0006] Another object of the present invention is to provide a stove, which comprises the aforementioned burner.

[0007] According to the burner in the embodiment of the utility model, the burner includes a gas distribution seat, a first fire cover, a second fire cover and a diverter, the gas distribution seat has a first gas channel, a second gas channel and a supplementary air channel, the first fire cover is arranged on the gas distribution seat, and is provided with a first air outlet connected to the first gas channel, the second fire cover is arranged on the gas distribution seat, and is provided with a second air outlet connected to the second gas channel, the first fire cover surrounds the second fire cover, the diverter is arranged between the first fire cover and the second fire cover, and is configured to guide the air of the supplementary air channel to flow to the first air outlet and / or the second air outlet.

[0008] According to the burner in the embodiment of the utility model, the combustion efficiency can be improved, the fuel gas can be fully burned, and thus the emission of carbon monoxide can be reduced.

[0009] In addition, the burner according to the above embodiment of the utility model may also have the following additional technical features:

[0010] Optionally, a first drainage channel is constructed between the diverter and the inner circumferential surface of the first fire cover, and the first drainage channel is connected to the air supply channel.

[0011] Optionally, the diverter includes a first guide portion, which extends in a direction away from the gas divider seat along the axial direction of the gas divider seat and is inclined toward the first fire cover, and is used to construct at least a portion of the first drainage channel with the inner circumferential surface of the first fire cover.

[0012] Optionally, the flow divider further includes a second flow guide portion, the second flow guide portion is connected to the first flow guide portion, the second flow guide portion extends along the axial direction and has one side facing the first fire cover and the other side facing the second fire cover.

[0013] Optionally, a second drainage channel is constructed between the diverter and the outer circumferential surface of the second fire cover, and the second drainage channel is connected to the air supply channel.

[0014] Optionally, the flow divider includes a bottom plate, the gas divider seat is connected with a mounting boss, the bottom plate and the mounting boss are stacked and connected, the bottom plate is provided with a through hole, and the through hole is used for the gas supplement channel to connect with the second drainage channel.

[0015] Optionally, the gas distribution seat includes a base and a first seat body and a second seat body arranged on the base, the first gas channel is arranged on the first seat body, the second gas channel is arranged on the second seat body, the first fire cover is arranged on the first seat body, the second fire cover is arranged on the second seat body, and the diverter is arranged between the first seat body and the second seat body.

[0016] Optionally, the air supplement channel includes a first channel, which is opened in the first seat body, with one end of the first channel located on the outer peripheral wall of the first seat body and the other end of the first channel located on the inner peripheral wall of the first seat body.

[0017] Optionally, the air supplement channel also includes a second channel, which is opened in the second seat body, with one end located on the outer circumferential wall of the second seat body and the other end located on the inner circumferential wall of the second seat body, and one end of the second channel is connected to the other end of the first channel.

[0018] Optionally, the air supplement channel further includes a third channel, which is opened in the second seat body, and one end of the third channel is connected to the other end of the second channel, and the other end of the third channel is located on the top wall of the second seat body.

[0019] Optionally, the air supplement channel further includes a fourth channel, which is opened in the second seat body, with one end of the fourth channel located on the bottom wall of the second seat body and the other end of the fourth channel located on the top wall of the second seat body.

[0020] Optionally, a partition is provided inside the second seat body, and the partition separates the interior of the second seat body into a third channel and a fourth channel. The third channel and the fourth channel extend axially along the air dividing seat respectively, and are used to guide the airflow to flow to the second air outlet of the second fire cover.

[0021] Optionally, the partition has a first make way portion, and the second fire cover has a second make way portion, and in the axial projection, the first make way portion and the second make way portion are arranged to form a make way space, and the make way space is located in the fourth channel.

[0022] Optionally, the second seat body includes a first sleeve and a second sleeve, the second sleeve is sleeved on the inner side of the first sleeve, the second gas channel is constructed between the first sleeve and the second sleeve, and the second fire cover is connected to the first sleeve and the second sleeve for covering the second gas channel.

[0023] Optionally, at least one of the first fire cover and the second fire cover is an inner flame type fire cover.

[0024] According to the stove in the embodiment of the utility model, the stove includes the aforementioned burner.

[0025] According to the stove in the embodiment of the utility model, by applying the aforementioned burner, the heating efficiency of the stove can be improved and the user experience can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of a burner in some embodiments of the utility model.

[0027] Figure 2 It is an exploded diagram of the burner in some embodiments of the present invention.

[0028] Figure 3 It is a cross-sectional view of a burner in some embodiments of the present invention.

[0029] Figure 4 It is a schematic diagram of the diverter in some embodiments of the utility model.

[0030] Figure 5 It is a schematic diagram of the gas distributor in some embodiments of the utility model.

[0031] Figure 6 It is a cross-sectional view of the gas distributor in some embodiments of the utility model.

[0032] Figure 7 It is a top view of the gas distributor in some embodiments of the utility model.

[0033] Figure 8It is a bottom view of the gas distributor in some embodiments of the utility model.

[0034] Reference numerals:

[0035] Burner 100, gas distribution seat 10, first seat body 11, first gas channel 111, first channel 112, mounting seat 113, support column 114, second seat body 12, first sleeve 121, second sleeve 122, second make way portion 1221, partition 123, first make way portion 1231, make way space 1232, second gas channel 124, second channel 125, third channel 126, fourth channel 127, base 13, mounting boss 131, second mounting hole 132, first fire cover 20, first air outlet hole 21, second fire cover 30, second air outlet hole 31, flow divider 40, first guide portion 41, second guide portion 42, bottom plate 43, through hole 431, first mounting hole 432, first diversion channel 51, second diversion channel 52, axial direction AA, circumferential direction BB. DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0037] The utility model provides a burner 100 of a stove and the stove, which can improve the combustion efficiency and make the gas burn fully, thereby reducing the emission of carbon monoxide.

[0038] Reference Figures 1 to 7 According to the burner 100 in the embodiment of the present utility model, the burner 100 may include a gas distributor 10 , a first fire cover 20 , a second fire cover 30 and a flow divider 40 .

[0039] Among them, the gas distribution seat 10 has a first gas channel 111, a second gas channel 124 and a supplementary air channel, the first fire cover 20 is arranged on the gas distribution seat 10, and is provided with a first air outlet 21 connected to the first gas channel 111, the second fire cover 30 is arranged on the gas distribution seat 10, and is provided with a second air outlet 31 connected to the second gas channel 124, the first fire cover 20 surrounds the second fire cover 30, the diverter 40 is arranged between the first fire cover 20 and the second fire cover 30, and is configured to guide the air flow of the supplementary air channel to the first air outlet 21 and / or the second air outlet 31; such an arrangement can improve the combustion efficiency of the burner 100, make the gas burn fully, and thus reduce the emission of carbon monoxide.

[0040] Specifically, when the burner 100 is working, the gas can be discharged from the first gas outlet 21 of the first fire cover 20 through the first gas channel 111, so as to generate a flame in the first fire cover 20; the gas can be discharged from the second gas outlet 31 of the second fire cover 30 through the second gas channel 124, so as to generate a flame in the second fire cover 30; but in this process, since the burner 100 cannot replenish enough air in time, resulting in incomplete combustion of the gas, an air supply channel can be provided in the gas distribution seat 10, and the air supply channel can lead to the first gas outlet 21 of the first fire cover 20 and the second gas outlet 31 of the second fire cover 30. In this way, when the burner 10 0 is working, the first fire cover 20 and / or the second fire cover 30 can create a negative pressure in the air supply channel, which is used to guide the air outside the burner 100 to the first air outlet 21 and / or the second air outlet 31, so as to improve the combustion efficiency of the burner 100, make the gas burn fully, and thus reduce the emission of carbon monoxide; and a diverter 40 is provided between the first fire cover 20 and the second fire cover 30, through which the air in the air supply channel is guided to at least one of the first air outlet 21 of the first fire cover 20 and the second air outlet 31 of the second fire cover 30, so that the air can better flow to the air outlet of the fire cover, so as to further improve the combustion efficiency of the burner 100.

[0041] Reference Figure 3 In some embodiments of the utility model, a first diversion channel 51 is constructed between the diverter 40 and the inner circumference of the first fire cover 20, and the first diversion channel 51 is connected to the air supply channel; in this way, the air in the air supply channel can be guided to the first air outlet 21 of the first fire cover 20 through the first diversion channel 51 to improve the combustion efficiency of the first gas channel 111.

[0042] Specifically, the diverter 40 may include a first guide portion 41, which extends in a direction away from the gas distributor seat 10 along the axial direction of the gas distributor seat 10 and is inclined toward the first fire cover 20, so that at least a portion of the first guide channel 51 can be constructed between the first guide portion 41 and the inner circumferential surface of the first fire cover 20; in this way, when the burner 100 is working, the first fire cover 20 can form a negative pressure near the first air outlet 21 to draw air from the air supply channel to the air outlet. In this process, air can flow along the first guide channel 51 and then flow to the first air outlet 21 of the first fire cover 20 to replenish air for the first fire cover 20, so as to fully burn the gas and improve the combustion efficiency of the burner 100.

[0043] Reference Figure 3In some embodiments of the utility model, the diverter 40 also includes a second guide portion 42, the second guide portion 42 is connected to the first guide portion 41, the second guide portion 42 extends axially and has one side facing the first fire cover 20 and the other side facing the second fire cover 30; this arrangement can supplement air for the burner 100 and improve combustion efficiency.

[0044] In detail, the second guide portion 42 extends axially along the gas distribution seat 10, and has one side facing the first fire cover 20, and the other side facing the second fire cover 30, so that at least a portion of the second guide channel 52 can be constructed between the second guide portion 42 and the outer peripheral surface of the second fire cover 30; when the burner 100 is working, the air in the air supply channel can pass through the first guide channel 51 under the action of the first guide portion 41, and then flow to the first air outlet 21 of the first fire cover 20, so as to replenish air for the first air outlet 21 of the first fire cover 20 and improve the combustion efficiency; in addition, the air in the air supply channel can pass through the second guide channel 52 under the action of the second guide portion 42, and then flow to the second air outlet 31 of the second fire cover 30, so as to replenish air for the second air outlet 31 of the second fire cover 30 and improve the combustion efficiency.

[0045] Reference Figure 3 In some embodiments of the utility model, a second diversion channel 52 is constructed between the diverter 40 and the outer peripheral surface of the second fire cover 30, and the second diversion channel 52 is connected to the air supply channel; in this way, the air in the air supply channel can be guided to the first air outlet 21 of the first fire cover 20 through the second diversion channel 52 to improve the combustion efficiency of the first gas channel 111.

[0046] Among them, the diverter 40 includes a first guide portion 41 and a second guide portion 42, the first guide portion 41 has two opposite ends, one end is close to the air dividing seat 10, and the other end is far away from the air dividing seat 10; the second guide portion 42 has two opposite ends, one end is close to the air dividing seat 10, and the other end is far away from the air dividing seat 10; specifically, one end of the first guide portion 41 is connected to the other end of the second guide portion 42, so that a first guide channel 51 can be constructed between the first guide portion 41 and the second guide portion 42 and the inner circumferential surface of the first fire cover 20, and a second guide channel 52 can be constructed between the second guide portion 42 and the outer circumferential surface of the second fire cover 30, so as to guide the air in the air supply channel to flow to the first air outlet 21 of the first fire cover 20 and the second air outlet 31 of the second fire cover 30 respectively.

[0047] Of course, according to actual conditions, one end of the first guide portion 41 can be connected to one end of the second guide portion 42, so that a first guide channel 51 can be constructed between the first guide portion 41 and the inner circumference of the first fire cover 20, and a second guide channel 52 can be constructed between the second guide portion 42 and the outer circumference of the second fire cover 30, so as to guide the air in the air supply channel to flow to the first air outlet 21 of the first fire cover 20 and the second air outlet 31 of the second fire cover 30 respectively.

[0048] Reference Figures 1 to 4 In some embodiments of the utility model, the diverter 40 includes a base plate 43, the gas distributor seat 10 is connected with a mounting boss 131, the base plate 43 is stacked and connected with the mounting boss 131, the base plate 43 is provided with a through hole 431, and the through hole 431 is used for the air supply channel to connect to the second guide channel 52; in this way, the connection strength of the diverter 40 in the burner 100 can be improved, thereby improving the guide stability of the burner 100.

[0049] Specifically, in combination with the aforementioned embodiment, the second guide portion 42 has one end close to the gas separation seat 10 and the other end away from the gas separation seat 10, and the first guide portion 41 is connected to the other end of the second guide portion 42, and the bottom plate 43 can be connected to one end of the second guide portion 42, and the diverter 40 can be connected to the gas separation seat 10 through the bottom plate 43, so that the diverter 40 is arranged between the first fire cover 20 and the second fire cover 30; during installation, the bottom plate 43 can be stacked on the mounting boss 131 to realize the installation of the diverter 40; wherein, the bottom plate 43 can have a first mounting hole 432, the mounting boss 131 can have a second mounting hole 132, and the first mounting hole 432 and the second mounting hole 132 can be Correspondingly, the bottom plate 43 and the mounting boss 131 are connected by fasteners to realize the installation of the diverter 40; in addition, the mounting boss 131 on the gas divider seat 10 may include multiple, at least a part of the multiple mounting bosses 131 has a second mounting hole 132, and the bottom plate 43 may have multiple first mounting holes 432, so that the installation of the diverter 40 can be realized through the first mounting holes 432 and the corresponding second mounting holes 132; in addition, the second mounting holes 132 of the multiple mounting bosses 131 can be evenly arranged along the circumference of the gas divider seat 10, and the multiple first mounting holes 432 can also be evenly arranged along the circumference of the gas divider seat 10 to form a fool-proof design to improve the installation efficiency of the diverter 40.

[0050] In addition, the bottom plate 43 can be connected to the side of the second guide part 42 facing the second fire cover 30, and the bottom plate 43 has a through hole 431, which facilitates the second guide channel 52 between the second guide part 42 and the second fire cover 30 to be connected to the air supply channel, so as to supply air to the second air outlet 31 of the second fire cover 30. Of course, according to actual conditions, the bottom plate 43 can also be connected to the side of the second guide part 42 facing the first fire cover 20, and the bottom plate 43 has a through hole 431, which facilitates the first guide channel 51 between the second guide part 42 and the first fire cover 20 to be connected to the air supply channel, so as to supply air to the first air outlet 21 of the first fire cover 20.

[0051] Reference Figures 5 to 8 In some embodiments of the utility model, the gas distribution seat 10 includes a base 13 and a first seat body 11 and a second seat body 12 arranged on the base 13, a first gas channel 111 is arranged on the first seat body 11, a second gas channel 124 is arranged on the second seat body 12, a first fire cover 20 is arranged on the first seat body 11, a second fire cover 30 is arranged on the second seat body 12, and a diverter 40 is arranged between the first seat body 11 and the second seat body 12; in this way, the gas can be fully burned, the combustion efficiency of the burner 100 is improved, and the emission of carbon monoxide is reduced.

[0052] In detail, the first fire cover 20 can be installed on the first seat body 11, and the first air outlet 21 of the first fire cover 20 can be connected with the first gas channel 111 on the first seat body 11, so that the first gas channel 111 can discharge gas through the first air outlet 21 to generate a flame in the first fire cover 20; the second fire cover 30 can be installed on the second seat body 12, and the second air outlet 31 of the second fire cover 30 can be connected with the second gas channel 124 on the second seat body 12, so that the second gas channel 124 can discharge gas through the second air outlet 31 to generate a flame in the second fire cover 30; and a diverter 40 is provided between the first seat body 11 and the second seat body 12, and the diverter 40 can guide the airflow of the air supply channel to flow to the first air outlet 21 and / or the second air outlet 31, so that the gas can be fully burned, thereby improving the combustion efficiency of the burner 100 and reducing the emission of carbon monoxide.

[0053] In more detail, the first seat body 11 extends along the circumference of the gas distribution seat 10, at least a portion of the first gas channel 111 on the first seat body 11 may extend along the circumference of the gas distribution seat 10, and the first fire cover 20 may also extend along the circumference of the gas distribution seat 10, so that the first fire cover 20 disposed on the first seat body 11 may correspond to the first gas channel 111, and the gas in the first gas channel 111 may be discharged through the first gas outlet 21. The second seat body 12 extends along the circumference of the gas distribution seat 10, at least a portion of the second gas channel 124 on the second seat body 12 may extend along the circumference of the gas distribution seat 10, and the second fire cover 30 may also extend along the circumference of the gas distribution seat 10, so that the second fire cover 30 disposed on the second seat body 12 may correspond to the second gas channel 124, and the gas in the second gas channel 124 may be discharged through the second gas outlet 31. In addition, the first seat body 11 may be sleeved on the outer side of the second seat body 12.

[0054] In addition, in some specific examples, the first seat body 11 , the second seat body 12 and the base 13 are integrally formed to improve the structural strength of the gas distributor 10 .

[0055] Reference Figure 3 , Figure 5 and Figure 6 In some embodiments of the utility model, the air supply channel includes a first channel 112, which is opened on the first seat body 11, and one end of the first channel 112 is located on the outer peripheral wall of the first seat body 11, and the other end is located on the inner peripheral wall of the first seat body 11; in combination with the aforementioned embodiment, the first seat body 11 is sleeved on the outer side of the second seat body 12, and therefore, a first channel 112 can be opened on the first seat body 11, so that when the burner 100 is working, the air in the external space of the burner 100 can be supplemented to between the first seat body 11 and the second seat body 12 through the first channel 112, and flow to the first air outlet 21 and / or the second air outlet 31 under the action of the diverter 40, so as to supplement the air for the first air outlet 21 and / or the second air outlet 31, thereby improving the combustion efficiency of the burner 100; in other words, the first guide channel 51 and the second guide channel 52 in the aforementioned embodiment can be respectively connected to the other end of the first channel 112.

[0056] Reference Figure 3 and Figure 6In some embodiments of the utility model, the air supply channel may also include a second channel 125, the second channel 125 is opened in the second seat body 12, and one end is located at the outer peripheral wall of the second seat body 12, and the other end is located at the inner peripheral wall of the second seat body 12, and one end of the second channel 125 is connected to the other end of the first channel 112; specifically, the second channel 125 can replenish air for the second air outlet 31 of the second fire cover 30; wherein, the air in the external space of the burner 100 can first pass through the first channel 112 of the first seat body 11, and then part of the air flow can flow along the diverter 40 to replenish air for the first air outlet 21 and the second air outlet 31, and the other part of the air flow can enter the interior of the second seat body 12 through the second channel 125, and then can flow to the second air outlet 31 of the second fire cover 30 to replenish air for the second air outlet 31, thereby improving the combustion efficiency of the burner 100.

[0057] Further, refer to Figure 3 , Figure 5 and Figure 6 In some embodiments of the utility model, the air supply channel also includes a third channel 126, which is opened in the second seat body 12, and one end of the third channel 126 is connected to the other end of the second channel 125, and the other end is located on the top wall of the second seat body 12; specifically, the third channel 126 can replenish air for the second air outlet 31 of the second fire cover 30; wherein, the air in the external space of the burner 100 can first pass through the first through hole 431 of the first seat body 11, and then a part of the airflow can flow along the diverter 40 to replenish air for the first air outlet 21 and the second air outlet 31, and the other part of the airflow can pass through the interior of the second seat body 12 along the second channel 125 and the third channel 126 in turn, and then can flow to the second air outlet 31 of the second fire cover 30 to replenish air for the second air outlet 31, thereby improving the combustion efficiency of the burner 100.

[0058] Reference Figure 5 , Figure 7 and Figure 8 In some embodiments of the utility model, the air supply channel may also include a fourth channel 127, which is opened in the second seat body 12, and one end is located at the bottom wall of the second seat body 12, and the other end is located at the top wall of the second seat body 12; specifically, the fourth channel 127 can replenish air for the second air outlet 31 of the second fire cover 30; wherein, the second fire cover 30 is installed on the top of the second seat body 12, and the second fire cover 30 is arranged around the outlet of the fourth channel 127. When the burner 100 is working, air can enter from the bottom wall of the second seat body 12, flow along the fourth channel 127, and finally be discharged from the top wall of the second seat body 12, and be arranged side by side to the second air outlet 31 of the second fire cover 30, so as to replenish air for the second air outlet 31, thereby improving the combustion efficiency of the burner 100.

[0059] Reference Figures 5 to 8 In some embodiments of the utility model, a partition 123 is provided inside the second seat body 12, and the partition 123 separates the interior of the second seat body 12 into a third channel 126 and a fourth channel 127. The third channel 126 and the fourth channel 127 extend along the axial direction of the gas separation seat 10 respectively, and are used to guide the airflow to the second air outlet 31 of the second fire cover 30; in this way, the combustion efficiency of the burner 100 can be further improved.

[0060] In combination with the aforementioned embodiment, one end of the third channel 126 is connected to the second channel 125, and the other end is located on the top wall of the second base body 12; one end of the fourth channel 127 is located on the bottom wall of the second base body 12, and the other end is located on the top wall of the second base body 12; it can be understood that the other end of the third channel 126 and the other end of the fourth channel 127 can be the same structure. In other words, an air outlet is opened on the top of the second base body 12, and the third channel 126 can be connected to the air outlet, and the fourth channel 127 can be connected to the air outlet. The third channel 126 and the fourth channel 127 jointly supplement air to the second air outlet 31 of the second fire cover 30 through the same air outlet, thereby improving the combustion efficiency of the burner 100.

[0061] Reference Figure 8 In some embodiments of the utility model, the partition 123 has a first make way portion 1231, and the second seat body 12 has a second make way portion 1221. In the axial projection, the first make way portion 1231 and the second make way portion 1221 are surrounded to form a make way space 1232, and the make way space 1232 is located in the fourth channel 127; such an arrangement can facilitate the installation of the burner 100 in the stove and improve the installation efficiency.

[0062] In detail, the burner 100 is installed on the burner body, and the burner body is provided with an ignition device and safety protection devices such as a thermocouple; the first arranging portion 1231 of the partition 123 and the second arranging portion 1221 of the second seat body 12 can be arranged in the axial direction to form an arranging space 1232, and the projection of the arranging space 1232 is located within the projection of the fourth channel 127. In this way, when the stove is installed, the burner 100 is arranged on the burner body, and the ignition device and the safety protection device on the burner body can extend from the bottom wall of the second seat body 12 and extend from the top wall of the second seat body 12, that is, pass through the fourth channel 127 and penetrate into the arranging space 1232, so as to avoid interference between the ignition device and the safety protection device and the burner 100. In addition, the through-set fourth channel 127 cooperates with the arranging space 1232 to improve the air replenishment efficiency of the second air outlet 31.

[0063] In some specific examples, the second fire cover 30 has a third make way portion. In the axial projection, the first make way portion 1231, the second make way portion 1221 and the third make way portion are arranged to form a make way space 1232, which is convenient for avoiding the ignition device and the safety protection device.

[0064] Reference Figures 5 to 8 In some embodiments of the utility model, the second seat body 12 includes a first sleeve 121 and a second sleeve 122, the second sleeve 122 is sleeved on the inner side of the first sleeve 121, and a second gas channel 124 is constructed between the first sleeve 121 and the second sleeve 122. The second fire cover 30 is connected to the first sleeve 121 and the second sleeve 122, and is used to cover the second gas channel 124 to realize the normal operation of the burner 100.

[0065] In detail, the top and bottom of the first sleeve 121 are hollowed out, and the top and bottom of the second sleeve 122 are hollowed out. A second gas channel 124 can be constructed between the first sleeve 121 and the second sleeve 122. The burner body can be connected between the first sleeve 121 and the second sleeve 122 to exhaust gas to the second gas outlet 31 of the second fire cover 30 through the second gas channel 124. In addition, the bottom of the second sleeve 122 is hollowed out to form the aforementioned air inlet, and the top of the second sleeve 122 is hollowed out to form the aforementioned air outlet. In other words, the second gas outlet 31 of the second fire cover 30 can be supplemented with air through the second sleeve 122 to improve the combustion efficiency of the burner 100. In combination with the above-mentioned embodiment, one end of the second channel 125 is opened on the peripheral wall of the first sleeve 121, and the other end of the second channel 125 is opened on the peripheral wall of the second sleeve 122, so that air flows from the inside of the second seat body 12 to the second gas outlet 31 of the second fire cover 30 to achieve air supplement.

[0066] In addition, in some specific examples, the first seat body 11 may include a mounting seat 113 and a plurality of support columns 114, wherein the interior of the mounting seat 113 constructs at least a portion of the first gas channel 111, and the top of the mounting seat 113 is open, which is suitable for the first fire cover 20 to be installed on the first seat body 11, and convenient for the first gas channel 111 to exhaust gas through the first outlet 21; in addition, the inner middle part of the support column 114 is used to construct at least a portion of the first gas channel 111, and one end of the support column 114 is connected to the mounting seat 113, and the other end is suitable for being installed on the burner body, so that the interior of the support column 114 is connected to the interior of the mounting seat 113, and it is convenient for the burner body to pass gas to the first fire cover 20; in addition, the mounting seat 113 extends along the circumference of the gas distribution seat 10, and the plurality of support columns 114 are arranged along the circumference of the gas distribution seat 10, and the first channel 112 is constructed between two adjacent support columns 114.

[0067] Reference Figures 1 to 8In some embodiments of the present invention, at least one of the first fire cover 20 and the second fire cover 30 is an inner flame type fire cover. By using the inner flame type fire cover, the thermal efficiency of the burner 100 can be improved.

[0068] Reference Figures 1 to 8 According to the stove in the embodiment of the utility model, the stove may include the burner 100 of the aforementioned embodiment. By applying the aforementioned burner 100, the heating efficiency of the stove can be improved and the user experience can be improved.

[0069] Specifically, the gas distribution seat 10 includes a first seat body 11, a second seat body 12 and a base 13, the first seat body 11 and the second seat body 12 are respectively arranged on the base 13, and the first seat body 11 is sleeved on the outer side of the second seat body 12; and the gas distribution seat 10 is provided with an air supply channel, wherein the first seat body 11 has a first channel 112, and the second seat body 12 has a second channel 125, a third channel 126 and a fourth channel 127; when the burner 100 is working, the air in the external space of the burner 100 can first enter between the first seat body 11 and the second seat body 12 through the first channel 112, at this time, a part of the airflow can pass through the second channel 125 and the third channel 126 in sequence, and then flow to the second air outlet 31 of the second fire cover 30, and another part of the airflow can flow to the first air outlet 21 of the first fire cover 20 and / or the second air outlet 31 of the second fire cover 30 under the action of the diverter 40, so as to replenish air for the air outlet of the fire cover.

[0070] More specifically, the flow divider 40 includes a first flow guide portion 41, a second flow guide portion 42 and a bottom plate 43, the first flow guide portion 41 extends in the direction away from the air divider seat 10 in the axial direction and is inclined toward the first fire cover 20, and the first flow guide portion 41 has one end close to the air divider seat 10 and the other end away from the air divider seat 10; the second flow guide portion 42 extends in the axial direction and has one end close to the air divider seat 10 and the other end away from the air divider seat 10; wherein, one end of the first flow guide portion 41 is connected to the other end of the second flow guide portion 42, so that a first guide channel 51 is constructed between the first flow guide portion 41 and the second flow guide portion 42 and the inner peripheral surface of the first fire cover 20, thereby guiding the air in the first channel 112 to flow to the first air outlet 21 of the first fire cover 20; the second flow guide portion 42 can construct a second guide channel 52 between the outer peripheral surface of the second fire cover 30, thereby Guide the air of the second channel 125 to flow toward the second air outlet 31 of the second fire cover 30; and the bottom plate 43 can be connected to one end of the second guide part 42, and the bottom plate 43 has a first mounting hole 432. When the bottom plate 43 is stacked and connected on the mounting boss 131, the first mounting hole 432 can correspond to the second mounting hole 132 on the mounting boss 131, and can be connected by fasteners; and the bottom plate 43 also has a through hole 431 to connect the first channel 112 with the second guide channel 52, so as to facilitate the air to flow from the first channel 112 to the second guide channel 52; in addition, the mounting boss 131 may include a plurality, and the first mounting hole 432 may include a plurality. The plurality of mounting bosses 131 may be evenly arranged along the circumference of the gas distributor 10, and the plurality of first mounting holes 432 may also be evenly arranged along the circumference of the gas distributor 10 to form a fool-proof design to improve the installation efficiency of the diverter 40.

[0071] Furthermore, the second seat body 12 includes a first sleeve 121 and a second sleeve 122. The first sleeve 121 is sleeved on the outside of the second sleeve 122, and the top and bottom of the first sleeve 121 are hollowed out, and the top and bottom of the second sleeve 122 are hollowed out. In this way, at least a part of the second gas channel 124 can be constructed between the first sleeve 121 and the second sleeve 122. The second fire cover 30 can be installed on the first sleeve 121 and the second sleeve 122, and correspond to the second gas channel 124, so as to facilitate the second gas channel 124 to exhaust gas to the second air outlet 31 of the second fire cover 30.

[0072] Furthermore, a partition 123 is provided in the second sleeve 122, and the interior of the second sleeve 122 is divided into a third channel 126 and a fourth channel 127 by the partition 123. The third channel 126 and the fourth channel 127 can both replenish air to the second air outlet 31 of the second fire cover 30; and when the burner 100 is installed on the burner head body, the ignition device and the safety protection device on the burner head body can pass through the burner 100 through the fourth channel 127, wherein the partition 123 has a make way portion to form a make way space 1232 in the fourth channel 127 to avoid structural interference between the ignition device and the installation protection device and the burner 100.

[0073] In some specific examples of the utility model, the utility model provides a high-efficiency burner 100 with separate oxygen supply for inner and outer flames, which is used to be installed on a gas cooker, and the burner 100 includes a gas distribution seat 10, an inner ring fire cover (i.e., a second fire cover 30), and an outer ring fire cover (i.e., a first fire cover 20);

[0074] The gas distributor 10 is provided with four evenly spaced secondary air replenishment positions (i.e., the first channel 112) and four gas channels (i.e., parts of the first gas channel 111 constructed by the aforementioned support column 114) around it; the top of the gas distributor 10 is provided with an inner ring combustion channel (i.e., part of the second gas channel 124) and an outer ring combustion channel (i.e., part of the first gas channel 111), which are connected to the inner ring fire cover and the outer ring fire cover respectively; A diverter 40 is provided in the middle of the body 11, and the diverter 40 is fixed on the gas separation seat 10 and locked with screws; the diverter 40, through the structural function of the internal guide plate (including the first guide part 41 and the second guide part 42) and the guide hole (that is, the aforementioned through hole 431), evenly separates the secondary air supplemented from the outside of the gas separation seat 10, and separately supplements the flames burning in the inner and outer ring fire covers with secondary air; thereby increasing the utilization rate of the secondary air, thereby achieving the effect of reducing CO emissions and improving combustion energy efficiency.

[0075] The burner 100 in the embodiment of the present utility model can improve combustion efficiency, reduce CO emissions and increase heat rate. Among them, by setting a multi-layer insulation zone, setting an air intake channel connecting the inside and the outside (including the aforementioned air supply channel, the first drainage channel 51 and the second drainage channel 52), etc., chemical heat loss can be reduced and exhaust emissions of carbon monoxide can be reduced. And the use of an inner flame type fire cover can increase the heat of the burner 100, and the inner ring flame and the outer ring flame can improve the heating efficiency and reduce heat loss through the secondary air supply method. In short, the burner 100 in the embodiment of the present utility model can improve combustion efficiency, reduce CO emissions and increase heat rate in a variety of ways.

[0076] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0077] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0078] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0079] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0080] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A burner for a stove, characterized in that: include: A gas distribution seat (10), wherein the gas distribution seat (10) has a first gas channel (111), a second gas channel (124) and a gas supplement channel; A first fire cover (20), the first fire cover (20) being arranged on the gas distribution seat (10) and provided with a first gas outlet (21) connected to the first gas channel (111); a second fire cover (30), the second fire cover (30) being arranged on the gas distribution seat (10) and being provided with a second gas outlet (31) connected to the second gas channel (124), and the first fire cover (20) surrounding the second fire cover (30); A flow divider (40), the flow divider (40) is arranged between the first fire cover (20) and the second fire cover (30), and is configured to guide the air in the air supply channel to flow toward the first air outlet (21) and / or the second air outlet (31).

2. The burner according to claim 1, characterized in that A first drainage channel (51) is constructed between the flow dividing member (40) and the inner circumferential surface of the first fire cover (20), and the first drainage channel (51) is connected to the air supply channel.

3. The burner according to claim 2, characterized in that: The flow divider (40) comprises a first flow guide portion (41), which extends in a direction away from the gas divider seat (10) along the axial direction of the gas divider seat (10) and is inclined toward the first fire cover (20), and is used to construct at least a part of the first drainage channel (51) with the inner peripheral surface of the first fire cover (20).

4. The burner according to claim 3, characterized in that The flow divider (40) further comprises a second flow guide portion (42), wherein the second flow guide portion (42) is connected to the first flow guide portion (41), and the second flow guide portion (42) extends along the axial direction and has one side facing the first fire cover (20) and the other side facing the second fire cover (30).

5. The burner according to claim 2, characterized in that: A second flow guide channel (52) is constructed between the flow divider (40) and the outer peripheral surface of the second fire cover (30), and the second flow guide channel (52) is connected to the air supplement channel.

6. The burner according to claim 5, characterized in that The flow divider (40) comprises a base plate (43), the gas divider seat (10) is connected with a mounting boss (131), the base plate (43) and the mounting boss (131) are stacked and connected, the base plate (43) is provided with a through hole (431), and the through hole (431) is used for the gas replenishment channel to connect with the second drainage channel (52).

7. The burner according to claim 1, characterized in that The gas distribution seat (10) comprises a base (13) and a first seat body (11) and a second seat body (12) arranged on the base (13); the first gas channel (111) is arranged on the first seat body (11); the second gas channel (124) is arranged on the second seat body (12); the first fire cover (20) is arranged on the first seat body (11); the second fire cover (30) is arranged on the second seat body (12); and the flow divider (40) is arranged between the first seat body (11) and the second seat body (12).

8. The burner according to claim 7, characterized in that The air supply channel comprises a first channel (112), the first channel (112) is opened in the first seat body (11), one end of the first channel (112) is located on the outer peripheral wall of the first seat body (11), and the other end is located on the inner peripheral wall of the first seat body (11).

9. The burner according to claim 8, characterized in that The air supply channel also includes a second channel (125), the second channel (125) is opened in the second seat body (12), one end of the second channel (125) is located on the outer peripheral wall of the second seat body (12), and the other end is located on the inner peripheral wall of the second seat body (12), and one end of the second channel (125) is connected to the other end of the first channel (112).

10. The burner according to claim 9, characterized in that The air supply channel also includes a third channel (126), which is opened in the second seat body (12) and has one end connected to the other end of the second channel (125) and the other end located on the top wall of the second seat body (12).

11. The burner according to claim 7, characterized in that The air supply channel also includes a fourth channel (127), which is opened in the second base body (12), with one end of the fourth channel (127) located on the bottom wall of the second base body (12) and the other end of the fourth channel (127) located on the top wall of the second base body (12).

12. The burner according to claim 7, characterized in that A partition (123) is provided inside the second seat body (12), and the partition (123) separates the inside of the second seat body (12) into a third channel (126) and a fourth channel (127). The third channel (126) and the fourth channel (127) respectively extend along the axial direction of the gas separation seat (10) and are used to guide the airflow to flow toward the second air outlet (31) of the second fire cover (30).

13. The burner according to claim 12, characterized in that The partition (123) has a first paving portion (1231), and the second seat body (12) has a second paving portion (1221). In the axial projection, the first paving portion (1231) and the second paving portion (1221) are arranged to form a paving space (1232), and the paving space (1232) is located in the fourth channel (127).

14. The burner according to claim 7, characterized in that The second seat body (12) comprises a first sleeve (121) and a second sleeve (122); the second sleeve (122) is sleeved on the inner side of the first sleeve (121); a second gas passage (124) is constructed between the first sleeve (121) and the second sleeve (122); and the second fire cover (30) is connected to the first sleeve (121) and the second sleeve (122) for covering the second gas passage (124).

15. The burner according to claim 1, characterized in that At least one of the first fire cover (20) and the second fire cover (30) is an inner flame type fire cover.

16. A cooking appliance, characterized in that: A burner comprising the burner according to any one of claims 1 to 15.

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