Combustor and stove

Abstract

The utility model provides a burner and a stove, and belongs to the technical field of kitchen equipment. The combustor comprises a combustor body, an air blowing channel and an air blowing device, the combustor body comprises a furnace end and an injection channel communicating with the furnace end, and the first end of the air blowing channel is fixedly connected to the injection channel and communicates with the injection channel; the blower device comprises a fan and an air duct, an air inlet connector and an air outlet channel are arranged on the air duct, the air inlet connector is communicated with an air outlet of the fan, and the air outlet channel is communicated with the second end of the blower channel. Due to the fact that the independent air blowing channel is arranged, the draught fan and the air channel can be far away from the air inlet of the injection channel or are arranged in a staggered mode with the air inlet of the injection channel, and therefore even if the draught fan is damaged, the draught fan and the air channel cannot affect primary air injection of the injection channel.

Description

Technical Field

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

[0002] The general air-blowing scheme of the existing burner is that the blower directly blows air to the air inlet of the ejector pipe to increase the primary air volume of the ejector pipe. Since the installation of the blower or the blower seat is relatively close to the air inlet of the ejector pipe and the nozzle, when the blower is damaged, it will affect the ejecting ability of the original nozzle, resulting in insufficient primary air. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a burner which can improve the primary air volume, and the blower and the air duct are far away from the air inlet of the ejecting channel. Even if the blower is damaged, the blower and the air duct will not affect the ejection of the primary air in the ejecting channel.

[0004] To achieve the purpose of the utility model, the following technical solutions are adopted:

[0005] According to one aspect of the utility model, a burner is provided, which comprises a burner body, an air-blowing channel and an air-blowing device. The burner body comprises a burner head and an ejecting channel communicated with the burner head. The first end of the air-blowing channel is fixedly connected to the ejecting channel and communicated with the ejecting channel. The air-blowing device comprises a blower and an air duct. An air inlet joint and an air outlet channel are arranged on the air duct. The air inlet joint is communicated with the air outlet of the blower, and the air outlet channel is communicated with the second end of the air-blowing channel.

[0006] According to an embodiment of the utility model, an inner ring cavity and an outer ring cavity are arranged around the burner head. The ejecting channel comprises a first ejector pipe and a second ejector pipe. The first ejector pipe is communicated with the inner ring cavity, and the second ejector pipe is communicated with the outer ring cavity. The air-blowing channel comprises a first air-blowing pipe and a second air-blowing pipe. The first end of the first air-blowing pipe is communicated with the first ejector pipe, and the first end of the second air-blowing pipe is communicated with the second ejector pipe. The air outlet channel comprises a first air outlet joint and a second air outlet joint. The first air outlet joint and the second air outlet joint are respectively communicated with the second ends of the first air-blowing pipe and the second air-blowing pipe.

[0007] According to an embodiment of the utility model, a middle ring cavity is further arranged around the burner head. The middle ring cavity is located between the inner ring cavity and the outer ring cavity. The ejecting channel further comprises a third ejector pipe, which is communicated with the middle ring cavity. The air-blowing channel further comprises a third air-blowing pipe, one end of which is fixedly connected to the third ejector pipe and communicated with the third ejector pipe. The air outlet channel further comprises a third air outlet joint, which is communicated with the third air-blowing pipe.

[0008] According to an embodiment of the utility model, an included angle of 5-45 degrees is formed between the air-blowing channel and the ejecting channel.

[0009] According to an embodiment of the present utility model, a vertical extension part is provided at the second end of the air blowing channel, and the air outlet channel is communicated with the vertical extension part.

[0010] According to an embodiment of the present utility model, the vertical extension part extends upward, and the air duct is located above the air blowing channel and the injection channel; or the vertical extension part extends downward, and the air duct is located below the air blowing channel and the injection channel.

[0011] According to an embodiment of the present utility model, a first fixing seat is provided at the upper end or the lower end of the injection channel, a second fixing seat is provided on the air duct corresponding to the first fixing seat, and the second fixing seat is connected or clamped with the first fixing seat by screws.

[0012] The air inlet joint is provided with a fan mounting plate, and the fan is fixedly mounted on the fan mounting plate.

[0013] According to an embodiment of the present utility model, it further includes a gas nozzle, a gas distribution plate assembly and a burner cap assembly. The gas nozzle is arranged at one end of the air inlet of the injection channel or opposite to the air inlet of the injection channel. The gas distribution plate assembly is mounted on the upper end of the burner head, and the burner cap assembly is mounted on the upper end of the gas distribution plate assembly.

[0014] The present utility model also discloses a cooking appliance, including the above-mentioned burner.

[0015] One embodiment of the present utility model has the following advantages or beneficial effects:

[0016] For the burner of the present utility model, since it includes a burner body, an air blowing channel and a blowing device, the burner body includes a burner head and an injection channel communicated with the burner head. The first end of the air blowing channel is fixedly connected to the injection channel and communicated with the injection channel; the blowing device includes a fan and an air duct. An air inlet joint and an air outlet channel are arranged on the air duct. The air inlet joint is communicated with the air outlet of the fan, and the air outlet channel is communicated with the second end of the air blowing channel. Since the fan blows air into the injection channel through the air duct, the air outlet channel and the air blowing channel, the primary air volume is increased, and the air and gas are evenly mixed. Since an independent air blowing channel is provided, the fan and the air duct can be far away from the air inlet of the injection channel, or are arranged in a dislocation manner with the air inlet of the injection channel. In this way, even if the fan is damaged, the fan and the air duct will not affect the injection of the primary air of the injection channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] By referring to the drawings and describing its exemplary embodiments in detail, the above and other features and advantages of the present utility model will become more obvious.

[0018] Figure 1 is a perspective view of a burner shown according to an exemplary embodiment.

[0019] Figure 2 is a longitudinal sectional view of a blast channel and an air duct shown according to an exemplary embodiment.

[0020] Figure 3 is a side view of a burner shown according to an exemplary embodiment.

[0021] Figure 4 is a cross-sectional view of a blast channel shown according to an exemplary embodiment.

[0022] Figure 5 is a sectional view of a burner head shown according to an exemplary embodiment.

[0023] Among them, the reference numerals are explained as follows:

[0024] 1, burner body; 11, burner head; 111, inner ring cavity; 112, outer ring cavity; 113, middle ring cavity; 12, ejector channel; 121, first ejector pipe; 122, second ejector pipe; 123, third ejector pipe; 124, first fixing seat; 2, blast channel; 21, first blast pipe; 22, second blast pipe; 23, third blast pipe; 24, vertical extension; 3, blast device; 31, fan; 32, air duct; 321, air inlet joint; 3211, fan mounting plate; 322, air outlet channel; 3221, first air outlet joint; 3222, second air outlet joint; 3223, third air outlet joint; 323, second fixing seat; 4, gas nozzle; 5, gas distribution plate assembly; 6, burner cap assembly. Detailed Embodiments

[0025] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this utility model will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0026] The terms "a", "an", "the", and "said" are used to denote the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to mean an open inclusion and mean that there may be additional elements / components / etc. in addition to the listed elements / components / etc.

[0027] As Figures 1-5 shown, a burner according to an embodiment of the present utility model includes a burner body 1, a blast channel 2, and a blast device 3.

[0028] The burner body 1 includes a burner head 11 and an ejection passage 12. The ejection passage 12 is communicated with the burner head 11 and is used for conveying gas and primary air into the burner head 11.

[0029] The first end of the air supply passage 2 is fixedly connected to the ejection passage 12 and is communicated with the ejection passage 12. The air supply device 3 includes a fan 31 and an air duct 32. An air inlet joint 321 and an air outlet passage 322 are arranged on the air duct 32. The air inlet joint 321 is communicated with the air outlet of the fan 31, and the air outlet passage 322 is communicated with the second end of the air supply passage 2. For example, the air outlet passage 322 is hermetically inserted into the second end of the air supply passage 2.

[0030] The fan 31 blows air into the ejection passage 12 through the air duct 32, the air outlet passage 322 and the air supply passage 2, so as to increase the amount of primary air and make the mixture of air and gas uniform. Since the independent air supply passage 2 is provided, the fan 31 and the air duct 32 can be far away from the air inlet of the ejection passage 12 or are arranged in a staggered manner with the air inlet of the ejection passage 12. In this way, even if the fan 31 is damaged, the fan 31 and the air duct 32 will not affect the ejection of the primary air of the ejection passage 12.

[0031] As Figure 5 shown, in a preferred embodiment of the present utility model, an inner ring cavity 111 and an outer ring cavity 112 are arranged around the burner head 11.

[0032] As Figure 1 、 4 shown, the ejection passage 12 includes a first ejection pipe 121 and a second ejection pipe 122. The first ejection pipe 121 is communicated with the inner ring cavity 111, and the second ejection pipe 122 is communicated with the outer ring cavity 112.

[0033] As Figure 1 、 4 shown, the air supply passage 2 includes a first air supply pipe 21 and a second air supply pipe 22. The first end of the first air supply pipe 21 is communicated with the first ejection pipe 121, and the first end of the second air supply pipe 22 is communicated with the second ejection pipe 122.

[0034] As Figure 1 、 2 shown, the air outlet passage 322 includes a first air outlet joint 3221 and a second air outlet joint 3222. The position of the first air outlet joint 3221 corresponds to the first air supply pipe 21, and the position of the second air outlet joint 3222 corresponds to the second air supply pipe 22.

[0035] The first air outlet joint 3221 and the second air outlet joint 3222 are respectively communicated with the second ends of the first air supply pipe 21 and the second air supply pipe 22.

[0036] The fan 31 blows air into the inner ring cavity 111 through the air duct 32, the first air outlet joint 3221, the first air supply pipe 21 and the first ejection pipe 121.

[0037] The blower 31 blows air into the outer ring cavity 112 through the air duct 32, the second air outlet joint 3222, the second air duct 22, and the second ejector pipe 122. As Figure 4 shown, A is the air blowing direction, and B is the gas flowing direction.

[0038] As Figure 5 shown, in a preferred embodiment of the present invention, the burner head 11 further surrounds a middle ring cavity 113, and the middle ring cavity 113 is located between the inner ring cavity 111 and the outer ring cavity 112.

[0039] As Figure 1 , 4 shown, the ejector channel 12 further includes a third ejector pipe 123, and the third ejector pipe 123 communicates with the middle ring cavity 113.

[0040] As Figure 1 , 4 shown, the air blowing channel 2 further includes a third air duct 23, and one end of the third air duct 23 is fixedly connected to the third ejector pipe 123 and communicates with the third ejector pipe 123.

[0041] As Figure 1 , 2 shown, the air outlet channel 322 further includes a third air outlet joint 3223, and the third air outlet joint 3223 communicates with the third air duct 23.

[0042] The blower 31 blows air into the middle ring cavity 113 through the air duct 32, the third air outlet joint 3223, the third air duct 23, and the third ejector pipe 123.

[0043] As Figure 1 , 4 shown, in a preferred embodiment of the present invention, there is an angle of 5 - 45 degrees between the air blowing channel 2 and the ejector channel 12. If the angle is too large, there will be a flow disturbance situation.

[0044] As Figures 1-3 shown, in a preferred embodiment of the present invention, the second end of the air blowing channel 2 is provided with a vertically extending portion 24. The vertically extending portion 24 communicates with the main body of the air blowing channel 2, and the air outlet channel 322 communicates with the vertically extending portion 24.

[0045] The air outlet channel 322 has an annular step. A part of the air outlet channel 322 is inserted into the vertically extending portion 24, and the upper end surface of the vertically extending portion 24 abuts against the lower end surface of the annular step.

[0046] As Figures 1-3 shown, in a preferred embodiment of the present invention, the vertically extending portion 24 extends upward, and the air duct 32 is located above the air blowing channel 2 and the ejector channel 12 to achieve an air inlet away from the ejector pipe.

[0047] Of course, the vertical extension 24 is not limited to extending upward. For example, the vertical extension 24 can also extend downward, and the air duct 32 is located below the air blowing channel 2 and the ejecting channel 12, so as to achieve air intake away from the air inlet of the ejecting pipe.

[0048] Such as Figure 3 As shown, in a preferred embodiment of the present invention, a first fixing seat 124 is provided at the upper end or the lower end of the ejecting channel 12, and a second fixing seat 323 is provided on the air duct 32 corresponding to the first fixing seat 124. The second fixing seat 323 is connected to the first fixing seat 124 by screws or snap connection.

[0049] For example, the first fixing seat 124 is provided with a threaded hole, and the second fixing seat 323 is provided with a through hole corresponding to the threaded hole. One end of the screw passes through the through hole and is connected to the threaded hole.

[0050] Such as Figure 1 As shown, in a preferred embodiment of the present invention, two first fixing seats 124 are respectively located on the second ejecting pipe 122 and the third ejecting pipe 123.

[0051] Such as Figure 1 、 2 As shown, in a preferred embodiment of the present invention, the air inlet joint 321 is inserted into the air outlet of the fan 31. The air inlet joint 321 is provided with a fan mounting plate 3211, and the fan 31 is fixedly mounted on the fan mounting plate 3211.

[0052] The fan mounting plate 3211 is located at the lower end of the air inlet joint 321. The fan mounting plate 3211 and the air inlet joint 321 are integrally formed, and the integral formation has the effects of being convenient for manufacturing and having high structural strength.

[0053] Such as Figures 1-3 As shown, in a preferred embodiment of the present invention, it further includes a gas nozzle 4, a gas distribution plate assembly 5 and a burner cap assembly 6.

[0054] The gas nozzle 4 is arranged at one end of the air inlet of the ejecting channel 12 or opposite to the air inlet of the ejecting channel 12.

[0055] The number of the gas nozzles 4 is the same as the number of the ejecting pipes. For example, the air inlets of the first ejecting pipe 121, the second ejecting pipe 122 and the third ejecting pipe 123 are all provided with mounting brackets for installing the gas nozzles 4. The gas nozzles 4 are fixed in the center of the mounting brackets, and a plurality of hollow holes are arranged around the center of the mounting brackets, so that the primary air enters the ejecting pipe from all around through the hollow holes.

[0056] The gas distribution plate assembly 5 is installed at the upper end of the burner head 11. The gas distribution plate assembly 5 is surrounded by three annular cavities, and the three annular cavities are respectively communicated with the inner annular cavity, the outer annular cavity and the middle annular cavity of the burner head 11. The burner cap assembly 6 includes an inner burner cap, a middle burner cap and an outer burner cap, and the inner burner cap, the middle burner cap and the outer burner cap are respectively installed at the upper ends of the three annular cavities of the gas distribution plate assembly 5.

[0057] The present utility model also provides a cooker, including the above-mentioned burner. Since the cooker of the present utility model adopts the above-mentioned burner, the uniform mixing of air and gas is realized. When the fan 31 is damaged, the fan 31 and the air duct 32 will not affect the primary air injection of the injection channel 12.

[0058] In the embodiments of the present utility model, the term "a plurality of" refers to two or more, unless otherwise clearly defined. Terms such as "installation", "connection", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific situations.

[0059] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the embodiments of the present utility model.

[0060] In the description of this specification, the description of terms such as "one embodiment", "one preferred embodiment", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the present 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 can be combined in a suitable manner in any one or more embodiments or examples.

[0061] The above are only the preferred embodiments of the embodiments of the present utility model, and are not used to limit the embodiments of the present utility model. For those skilled in the art, the embodiments of the present utility model can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the embodiments of the present utility model shall be included in the protection scope of the embodiments of the present utility model.

Claims

1. A burner, characterized in that: include: A burner body (1), the burner body (1) comprising a burner head (11) and an injection channel (12) connected to the burner head (11); An air blast channel (2), a first end of the air blast channel (2) being fixedly connected to the ejection channel (12) and communicating with the ejection channel (12); The air blowing device (3) comprises a fan (31) and an air duct (32), wherein the air duct (32) is provided with an air inlet joint (321) and an air outlet passage (322), wherein the air inlet joint (321) is connected to the air outlet of the fan (31), and the air outlet passage (322) is connected to the second end of the air blowing passage (2).

2. The burner according to claim 1, characterized in that The furnace head (11) is surrounded by an inner ring cavity (111) and an outer ring cavity (112); the ejection channel (12) comprises a first ejection pipe (121) and a second ejection pipe (122); the first ejection pipe (121) is in communication with the inner ring cavity (111); the second ejection pipe (122) is in communication with the outer ring cavity (112); the blast channel (2) comprises a first blast pipe (21) and a second blast pipe (22); the first end of the first blast pipe (21) is in communication with the first ejection pipe (121); the first end of the second blast pipe (22) is in communication with the second ejection pipe (122); the air outlet channel (322) comprises a first air outlet joint (3221) and a second air outlet joint (3222); the first air outlet joint (3221) and the second air outlet joint (3222) are in communication with the second ends of the first blast pipe (21) and the second blast pipe (22), respectively.

3. The burner according to claim 2, characterized in that: The furnace head (11) further encloses a middle ring cavity (113), wherein the middle ring cavity (113) is located between the inner ring cavity (111) and the outer ring cavity (112); the ejection channel (12) further comprises a third ejection pipe (123), wherein the third ejection pipe (123) is in communication with the middle ring cavity (113); the blast channel (2) further comprises a third blast pipe (23), wherein one end of the third blast pipe (23) is fixedly connected to the third ejection pipe (123) and is in communication with the third ejection pipe (123); the air outlet channel (322) further comprises a third air outlet joint (3223), wherein the third air outlet joint (3223) is in communication with the third blast pipe (23).

4. The burner according to claim 1, characterized in that An included angle between the blast channel (2) and the ejection channel (12) is 5-45 degrees.

5. The burner according to claim 1, characterized in that The second end of the air blowing channel (2) is provided with a vertical extension portion (24), and the air outlet channel (322) is in communication with the vertical extension portion (24).

6. The burner according to claim 5, characterized in that The vertical extension portion (24) extends upwards, and the air duct (32) is located above the air blast channel (2) and the ejection channel (12); or the vertical extension portion (24) extends downwards, and the air duct (32) is located below the air blast channel (2) and the ejection channel (12).

7. The burner according to claim 5, characterized in that A first fixing seat (124) is provided at the upper end or the lower end of the ejection channel (12), and a second fixing seat (323) is provided at the air duct (32) corresponding to the first fixing seat (124), and the second fixing seat (323) is connected to the first fixing seat (124) by means of screws or clamping.

8. The burner according to claim 1, characterized in that The air inlet connector (321) is provided with a fan mounting plate (3211), and the fan (31) is fixedly mounted on the fan mounting plate (3211).

9. The burner according to claim 1, characterized in that It also comprises a gas nozzle (4), a gas distribution plate assembly (5) and a fire cover assembly (6), wherein the gas nozzle (4) is arranged at one end of the air inlet of the introduction channel (12) or opposite to the air inlet of the introduction channel (12), the gas distribution plate assembly (5) is installed at the upper end of the burner head (11), and the fire cover assembly (6) is installed at the upper end of the gas distribution plate assembly (5).

10. A cooking appliance, characterized in that: A burner comprising any one of claims 1 to 9.

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