Ejecting pipe structure, burner and gas stove

Abstract

The utility model discloses an injection pipe structure, a burner and a gas stove. The injection pipe structure comprises at least two injection pipe bodies, and injection cavities are formed in the injection pipe bodies. The ejection pipe body and the air supplementing pipes are arranged in a one-to-one correspondence mode, air outlets of the air supplementing pipes are connected with the peripheral side of the ejection pipe body and communicate with the ejection cavity, and air inlets of the air supplementing pipes communicate with air outlet holes of an air blowing assembly of the combustor. According to the injection pipe structure, the air supplementing pipe is arranged to be matched with the air blowing assembly, primary air is supplemented for the injection pipe body, and the combustion efficiency of a combustor is improved. Meanwhile, when the air blowing assembly fails, the injection effect of the injection pipe structure is not affected, and the injection pipe structure can operate as usual.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to an ejector tube structure, a burner and a gas stove. Background Art

[0002] The existing solution for blowing air into the burner generally uses a blower to directly blow air into the ejector tube to increase the primary air volume in the ejector tube. To ensure the blowing effect, the blower is generally installed close to the nozzle. When the blower is damaged, it will affect the ejector capacity between the original nozzle and the ejector tube.

[0003] Therefore, there is an urgent need for an ejector tube structure to solve the above problems. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the problems existing in the related art to a certain extent. For this purpose, the utility model provides an ejector tube structure. By arranging a supplementary air duct to cooperate with the blowing component, primary air is supplemented to the ejector tube body, and the combustion efficiency of the burner is improved. At the same time, when the blowing component fails, it will not affect the ejector effect of the ejector tube structure itself, and the ejector tube structure can operate normally.

[0005] The above object is achieved by the following technical solutions:

[0006] An ejector tube structure includes:

[0007] At least two ejector tube bodies, in which an ejector cavity is formed;

[0008] At least two supplementary air ducts, the ejector tube bodies and the supplementary air ducts are arranged in one-to-one correspondence, the air outlet of the supplementary air duct is connected to the circumferential side of the ejector tube body and communicated with the ejector cavity, and the air inlet of the supplementary air duct is communicated with the air outlet hole of the blowing component of the burner.

[0009] Optionally, the air outlet of the supplementary air duct is communicated with the negative pressure area of the ejector cavity.

[0010] Optionally, both the ejector tube body and the supplementary air duct extend horizontally.

[0011] Optionally, the ejector tube body and the supplementary air duct are integrally formed.

[0012] Optionally, it further includes an air inlet part. The air outlet is arranged at the rear end of the supplementary air duct, the air inlet is arranged at the upper side of the front part of the supplementary air duct, the air inlet part is arranged at the upper side of the supplementary air duct and communicated with the air inlet, the air inlet part is perpendicular to the supplementary air duct, and the air outlet hole of the blowing component is communicated with the air inlet through the air inlet part.

[0013] Optionally, it further includes a connecting part, which is arranged on the upper side of the ejector tube body, and the ejector tube body is connected to the air blowing assembly through the connecting part.

[0014] Optionally, it further includes a connecting part. The air outlet is arranged at the rear end of the air supply pipe, the air inlet is arranged at the front end of the air supply pipe, the connecting part is arranged at the side part of the front end of the ejector tube body, the ejector tube body is connected to the air blowing assembly through the connecting part, a ventilation hole communicating with the air inlet is formed on the connecting part, and the air outlet hole of the air blowing assembly is communicated with the air inlet through the ventilation hole.

[0015] On the other hand, the present invention provides a burner, which includes a burner head, an air blowing assembly and the above-mentioned ejector tube structure. The rear end of the ejector tube structure is communicated with the burner head, and the front part of the ejector tube structure is communicated with the air blowing assembly.

[0016] On yet another aspect, the present invention provides a gas stove, which includes the above-mentioned burner.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] The ejector tube structure provided by the present invention includes an air supply pipe and at least two ejector tube bodies. An ejector cavity is formed inside the ejector tube body. The air outlet of the air supply pipe is connected to the circumferential side of the ejector tube body and communicated with the ejector cavity, and the air inlet of the air supply pipe is communicated with the air outlet hole of the air blowing assembly of the burner, so that the air blowing assembly can supplement primary air for the ejector tube body through the air supply pipe, improving the combustion efficiency of the burner. At the same time, when the air blowing assembly fails, it will not affect the ejector effect of the ejector tube structure itself, and the ejector tube structure can still operate normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of the ejector tube structure provided by the first specific embodiment of the present invention;

[0020] Figure 2 is Figure 1 the front view of;

[0021] Figure 3 is Figure 2 the sectional view taken along line A-A in;

[0022] Figure 4 is a three-dimensional structural schematic diagram of the burner provided by the first specific embodiment of the present invention;

[0023] Figure 5 is a three-dimensional structural schematic diagram of the ejector tube structure provided by the second specific embodiment of the present invention;

[0024] Figure 6It is a three-dimensional structural schematic diagram of the burner provided by the second specific embodiment of the present utility model.

[0025] In the figure:

[0026] 1. Blower assembly; 11. Support; 12. Air duct structure; 121. Connecting block; 13. Blower.

[0027] 2. Ejector tube structure; 21. Ejector tube body; 210. Ejector chamber; 22. Supplementary air duct; 221. Air inlet part; 23. Connecting part; 231. Ventilation hole.

[0028] 3. Burner head.

[0029] 4. Nozzle. Specific embodiments

[0030] The following embodiments are used to illustrate the present utility model, but the present utility model is not limited by these embodiments. Modifying the specific embodiments of the present utility model or making equivalent replacements for some technical features without departing from the spirit of the present utility model scheme shall be covered within the scope of the technical solution claimed by the present utility model.

[0031] Embodiment 1

[0032] Please refer to Figures 1-4 , the present utility model provides an ejector tube structure, including at least two supplementary air ducts 22 and at least two ejector tube bodies 21. An ejector chamber 210 is formed in the ejector tube body 21. The ejector tube body 21 and the supplementary air duct 22 are arranged in one-to-one correspondence. The air outlet of the supplementary air duct 22 is connected to the circumferential side of the ejector tube body 21 and communicated with the ejector chamber 210. The air inlet of the supplementary air duct 22 is communicated with the air outlet hole of the blower assembly 1 of the burner, so that the blower assembly 1 can supplement primary air for the ejector tube body 21 through the supplementary air duct 22, improving the combustion efficiency of the burner. At the same time, when the blower assembly 1 fails, it will not affect the ejector effect of the ejector tube structure 2 itself, and the ejector tube structure 2 can operate normally.

[0033] Optionally, the air outlet of the supplementary air duct 22 is communicated with the negative pressure area of the ejector chamber 210, so that the gas will not flow out through the supplementary air duct 22 into the blower assembly 1 under the negative pressure of the ejector tube.

[0034] Optionally, both the ejector tube body 21 and the supplementary air duct 22 extend horizontally, with a simple structure, facilitating installation in a gas stove and having a relatively beautiful appearance.

[0035] Optionally, the ejector tube body 21 and the supplementary air duct 22 are integrally formed, with a simple structure, good stability and high airtightness.

[0036] Optionally, it further includes an air inlet part 221. The air outlet is arranged at the rear end of the air supply pipe 22, the air inlet is arranged at the upper side of the front part of the air supply pipe 22, the air inlet part 221 is arranged at the upper side of the air supply pipe 22 and communicated with the air inlet. The air inlet part 221 is vertically arranged with the air supply pipe 22. The air outlet hole of the air blowing assembly 1 is communicated with the air inlet through the air inlet part 221, so that the primary air turns between the air inlet part 221 and the air supply pipe 22, thereby reducing the flow velocity of the primary air, and further reducing the influence of the primary air on the flow of the gas in the injection chamber 210.

[0037] Optionally, it further includes a connecting part 23. The connecting part 23 is arranged on the upper side of the injection pipe body 21. The injection pipe body 21 is connected with the air blowing assembly 1 through the connecting part 23, thereby realizing the assembly between the air blowing structure and the injection pipe structure 2.

[0038] On the other hand, the present utility model provides a burner, which includes a burner head 3, an air blowing assembly 1 and the above-mentioned injection pipe structure 2. The rear end of the injection pipe structure 2 is communicated with the burner head 3, and the front part of the injection pipe structure 2 is communicated with the air blowing assembly 1.

[0039] Optionally, the air blowing assembly 1 includes a support 11, a fan 13 and an air duct structure 12. The fan 13 is installed on the support 11. The air inlet hole of the air duct structure 12 is connected with the air outlet of the fan 13, and the air outlet hole of the air duct structure 12 is connected with the air inlet part 221.

[0040] Optionally, a connecting block 121 connected with the connecting part 23 is arranged on the air duct structure 12.

[0041] On yet another aspect, the present utility model provides a gas stove, which includes the above-mentioned burner.

[0042] Embodiment 2

[0043] Please refer to Figure 5 and Figure 6 , the difference between Embodiment 2 and Embodiment 1 is that the air inlet is arranged at the front end of the air supply pipe 22, the connecting part 23 is arranged at the side part of the front end of the injection pipe body 21, the injection pipe body 21 is connected with the air blowing assembly 1 through the connecting part 23, a ventilation hole 231 communicated with the air inlet is opened on the connecting part 23, and the air outlet hole of the air blowing assembly 1 is communicated with the air inlet through the ventilation hole 231.

[0044] On the other hand, the present utility model provides a burner, which includes a burner head 3, an air blowing assembly 1 and the above-mentioned injection pipe structure 2.

[0045] The difference between the air blowing assembly 1 in the second embodiment and the air blowing assembly 1 in the first embodiment is that the air duct structure 12 is installed on the front side of the ejector pipe body 21, and an installation portion for installing the nozzle 4 of the burner is further provided on the air duct structure 12. A nozzle installation hole is formed on the installation portion, and the nozzle 4 is installed on the air duct structure 12 through the nozzle installation hole and is disposed opposite to the ejector pipe.

[0046] On the other hand, the present utility model provides a gas stove, including the above-mentioned burner.

[0047] The above are only some embodiments of the present utility model. For those of ordinary skill in the art, without departing from the creative concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. An ejector tube structure, characterized in that: include: At least two ejector tube bodies (21), each having an ejector cavity (210) formed therein; At least two air supply pipes (22), the ejector pipe body (21) and the air supply pipe (22) are arranged in a one-to-one correspondence, the air outlet of the air supply pipe (22) is connected to the peripheral side of the ejector pipe body (21) and communicated with the ejector cavity (210), and the air inlet of the air supply pipe (22) is communicated with the air outlet of the blower assembly (1) of the burner.

2. The ejector tube structure according to claim 1, characterized in that: The air outlet of the air supply pipe (22) is in communication with the negative pressure area of ​​the injection cavity (210).

3. The ejector tube structure according to claim 1, characterized in that: The ejector pipe body (21) and the air supply pipe (22) are both extended in the horizontal direction.

4. The ejector tube structure according to claim 3, characterized in that: The ejector pipe body (21) and the air supply pipe (22) are integrally formed.

5. The ejector tube structure according to any one of claims 1 to 4, characterized in that: It also includes an air inlet (221), the air outlet is arranged at the rear end of the air supply pipe (22), the air inlet is arranged on the upper side of the front part of the air supply pipe (22), the air inlet (221) is arranged on the upper side of the air supply pipe (22) and is connected to the air inlet, the air inlet (221) and the air supply pipe (22) are arranged vertically, and the air outlet of the air blowing assembly (1) is connected to the air inlet through the air inlet (221).

6. The ejector tube structure according to claim 5, characterized in that: It also comprises a connecting portion (23), wherein the connecting portion (23) is arranged on the upper side of the ejector tube body (21), and the ejector tube body (21) is connected to the blowing assembly (1) via the connecting portion (23).

7. The ejector tube structure according to any one of claims 1 to 4, characterized in that: It also includes a connecting portion (23), wherein the air outlet is arranged at the rear end of the air supply pipe (22), the air inlet is arranged at the front end of the air supply pipe (22), the connecting portion (23) is arranged on the side of the front end of the ejector pipe body (21), the ejector pipe body (21) is connected to the air blowing assembly (1) through the connecting portion (23), and a ventilation hole (231) connected to the air inlet is opened on the connecting portion (23), and the air outlet of the air blowing assembly is connected to the air inlet through the ventilation hole (231).

8. A burner, characterized in that: It comprises a furnace head (3), a blast assembly (1) and an ejector tube structure (2) as claimed in any one of claims 1 to 7, wherein the rear end of the ejector tube structure (2) is connected to the furnace head (3), and the front part of the ejector tube structure (2) is connected to the blast assembly (1).

9. A gas stove, characterized in that: Comprising the burner as claimed in claim 8.

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