Combustor and gas stove

Abstract

The utility model discloses a burner and a gas stove. The burner comprises a base and a nozzle structure integrally arranged at one end of the base, the nozzle structure comprises a nozzle seat, a water retaining boss arranged on the nozzle seat, an air channel formed in the nozzle seat and a nozzle, the air channel is formed in the nozzle seat, the first end of the air channel is communicated with the nozzle, and the second end of the air channel is communicated with the water retaining boss. The second end of the air channel is connected with an air supply pipe outside the burner, the water retaining boss is arranged on the side, facing the middle of the base, of the nozzle seat, and the nozzle penetrates through the water retaining boss in the X direction. According to the burner, the problem that cooking overflowing liquid flows to the position of the nozzle to block the nozzle can be solved, installation is convenient, and the installation precision between the nozzle and the injection pipe is improved.

Description

Technical Field

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

[0002] The existing upper air inlet burner includes a connecting seat, a nozzle structure, a flame distributor and a fire cover. The nozzle structure includes a nozzle and a nozzle seat that are independently arranged. The nozzle is installed on the nozzle seat, and a sealant needs to be applied between the nozzle and the nozzle seat to achieve a sealing effect. If you are not careful, the sealant will easily clog the nozzle. The relative position of the nozzle and the ejector tube on the flame distributor is guaranteed by the processing accuracy and assembly accuracy. In addition, there is little waterproof structure in the existing upper air inlet gas burner structure, which will cause the overflow generated during cooking to clog the nozzle.

[0003] Therefore, a burner is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the utility model proposes a burner that can reduce the problem of cooking overflow flowing to the nozzle and clogging the nozzle, is easy to install, and improves the installation accuracy between the nozzle and the ejector tube.

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

[0006] A burner comprises a base and a nozzle structure integrally arranged at one end of the base, the nozzle structure comprising a nozzle seat, a water retaining boss arranged on the nozzle seat, an air channel opened on the nozzle seat, and a nozzle, the air channel is opened inside the nozzle seat and a first end is connected to the nozzle, the second end of the air channel is connected to an air supply pipe outside the burner, the water retaining boss is arranged on one side of the nozzle seat facing the middle of the base, and the nozzle is arranged to penetrate the water retaining boss along the X direction.

[0007] Optionally, the upper side surface of the water retaining boss is inclined downward from the middle to both sides along the Y direction.

[0008] Optionally, the upper side surface of the water retaining boss is an arc surface.

[0009] Optionally, it further comprises a first water retaining edge, which is arranged on the upper part of the water retaining boss and protrudes from the water retaining boss along the X direction, and is located on the upper side of the nozzle.

[0010] Optionally, the upper side surface of the first water retaining edge is inclined downward from the middle to both sides along the Y direction.

[0011] Optionally, a second water retaining edge is further included, wherein the second water retaining edge is arranged on one side of the water retaining boss facing the middle of the base, and the second water retaining edge protrudes from the water retaining boss along the Y direction.

[0012] Optionally, the side surface of the second water retaining edge facing the middle portion of the base is coplanar with the side surface of the water retaining boss facing the middle portion of the base.

[0013] Optionally, the nozzle includes a constant diameter portion and a first variable diameter portion, the inner diameter of the constant diameter portion is the same at all locations, one end of the constant diameter portion is connected to the airway, and the other end is connected to the first variable diameter portion, the first variable diameter portion is connected to the outside of the nozzle structure, and the inner diameter of the first variable diameter portion gradually increases from the inside to the outside.

[0014] Optionally, the nozzle further includes a second diameter-reducing portion, the constant diameter portion is connected to the airway via the second diameter-reducing portion, and the inner diameter of the second diameter-reducing portion gradually decreases from the inside to the outside.

[0015] Another aspect of the utility model provides a gas stove, comprising the burner mentioned above.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] The burner provided by the utility model, on the one hand, is provided with a water retaining boss so that the position of the nozzle outlet is close to the middle of the base. When the cooking pot overflows during cooking, the liquid falls to the side of the base, and most of the liquid will only fall on the water retaining boss, and only very little or no liquid will flow to the nozzle, thereby playing a water retaining role. On the other hand, by integrally arranging the nozzle structure on the base, the nozzle is directly opened on the nozzle seat, which reduces the installation steps compared to the prior art method of independently installing the nozzle on the nozzle seat and sealing with sealant, and also avoids the problem of adhesive blocking the nozzle during the nozzle installation process, and improves the alignment accuracy between the nozzle and the ejector tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the burner provided in the first specific embodiment of the utility model;

[0019] Figure 2 yes Figure 1 Exploded diagram of

[0020] Figure 3 This is a top view of the assembly of the base and nozzle structure of the burner provided in the first specific embodiment of the utility model;

[0021] Figure 4 yes Figure 3 Sectional view at AA in the middle;

[0022] Figure 5 This is a schematic diagram of the assembled three-dimensional structure of the burner and the nozzle structure provided in the second specific embodiment of the utility model;

[0023] Figure 6 yes Figure 5 A top view of

[0024] Figure 7 yes Figure 6 Sectional view at the middle BB;

[0025] Figure 8 This is a schematic diagram of the assembled three-dimensional structure of the burner and the nozzle structure provided in the third specific embodiment of the utility model;

[0026] Fig. 9 yes Figure 8 A top view of

[0027] Fig.10 yes Fig. 9 Sectional view at CC;

[0028] Fig.11 It is a schematic cross-sectional structural diagram of the nozzle structure provided in the fourth specific embodiment of the present utility model.

[0029] In the figure:

[0030] 1. Base;

[0031] 2. Nozzle structure; 21. Nozzle seat; 210. Airway; 22. Water retaining boss; 23. First water retaining edge; 24. Second water retaining edge; 20. Nozzle; 201. Constant diameter portion; 202. First variable diameter portion; 203. Second variable diameter portion;

[0032] 3. Fire distributor;

[0033] 4. Fire cover;

[0034] 5. Ejector tube. DETAILED DESCRIPTION

[0035] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific implementation of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed for protection in the present invention.

[0036] Embodiment 1

[0037] Please refer to Figure 1-Figure 4The utility model provides a burner, including a base 1 and a nozzle structure 2 integrally arranged at one end of the base 1, the nozzle structure 2 including a nozzle seat 21, a water retaining boss 22 arranged on the nozzle seat 21, an air channel 210 and a nozzle 20 opened on the nozzle seat 21, the air channel 210 is opened inside the nozzle seat 21 and the first end is connected to the nozzle 20, the second end of the air channel 210 is connected to the air supply pipe outside the burner, the water retaining boss 22 is arranged on one side of the nozzle seat 21 facing the middle of the base 1, and the nozzle 20 is arranged to penetrate the water retaining boss 22 along the X direction.

[0038] The burner provided by the utility model, on the one hand, is provided with the water retaining boss 22, so that the position of the outlet of the nozzle 20 is close to the middle of the base 1. When the cooking pot overflows during cooking, the liquid falls to the side of the base 1, and most of the liquid will only fall on the water retaining boss 22, and only very little or no liquid will flow to the nozzle 20, thereby playing a water retaining role. On the other hand, by integrally arranging the nozzle structure 2 on the base 1, the nozzle 20 is directly opened on the nozzle seat 21, compared with the prior art in which the nozzle 20 is independently installed on the nozzle seat 21 and sealed with sealant, the installation steps are reduced, and the problem of adhesive blocking the nozzle 2 during the installation of the nozzle 2 is avoided, and the alignment accuracy with the ejector tube 5 is improved.

[0039] Optionally, the upper side surface of the water retaining boss 22 is tilted downward from the middle to both sides along the Y direction to achieve liquid diversion, so that when the liquid falls on the upper side surface of the water retaining boss 22, it can be quickly diverted to the two side surfaces of the water retaining boss 22 along the Y direction, reducing the liquid flowing into the nozzle 20 along the X direction.

[0040] Optionally, the upper side surface of the water retaining boss 22 is an arc surface to achieve a better flow guiding effect.

[0041] Optionally, the nozzle 20 includes a constant diameter portion 201 and a first variable diameter portion 202, the inner diameter of the constant diameter portion 201 is the same at all places, one end of the constant diameter portion 201 is connected to the gas channel 210, and the other end is connected to the first variable diameter portion 202, the first variable diameter portion 202 is connected to the outside of the nozzle structure 2, and the inner diameter of the first variable diameter portion 202 gradually increases from the inside to the outside to achieve the injection of the fuel gas.

[0042] Optionally, it further includes a flame divider 3 arranged on the base 1 , a fire cover 4 arranged on the upper side of the flame divider 3 , and an ejector tube 5 arranged on the bottom side of the flame divider 3 , and the ejector tube 5 is arranged corresponding to the nozzle 20 .

[0043] Optionally, at least two ejector tubes 5 and at least two nozzles 20 are provided, and the ejector tubes 5 and the nozzles 20 are provided in a one-to-one correspondence.

[0044] Embodiment 2

[0045] Please refer to Figure 5-Figure 7 The difference between the second embodiment and the first embodiment is that it also includes a first water retaining edge 23, which is arranged on the upper part of the water retaining boss 22 and protrudes from the water retaining boss 22 along the X direction. The first water retaining edge 23 is located on the upper side of the nozzle 20 to further improve the water retaining effect.

[0046] Optionally, the upper side surface of the first water retaining edge 23 is tilted downward from the middle to both sides along the Y direction to guide the water falling on the upper side surface of the first water retaining edge 23 to both sides of the first water retaining edge 23 along the Y direction, thereby reducing the liquid flowing into the nozzle 20 along the X direction.

[0047] Embodiment 3

[0048] Please refer to Figure 8-Figure 10 The difference between the third embodiment and the first embodiment is that it also includes a second water retaining edge 24, which is arranged on one side of the water retaining boss 22 facing the middle of the base 1, and the second water retaining edge 24 protrudes from the water retaining boss 22 along the Y direction to directly block the liquid falling on the water retaining boss 22 from flowing to the nozzle 20, thereby achieving a water retaining effect.

[0049] Optionally, the side surface of the second water retaining edge 24 facing the middle of the base 1 is coplanar with the side surface of the water retaining boss 22 facing the middle of the base 1 to further improve the water retaining effect.

[0050] Embodiment 4

[0051] Please refer to Fig.11 The difference between the fourth embodiment and the first, second and third embodiments is that the nozzle 20 further includes a second diameter reducing portion 203, the constant diameter portion 201 is connected to the gas passage 210 via the second diameter reducing portion 203, and the inner diameter of the second diameter reducing portion 203 gradually decreases from the inside to the outside to increase the injection speed of the fuel gas, thereby improving the injection effect of the fuel gas.

[0052] Another aspect of the utility model provides a gas stove, comprising the burner mentioned above.

[0053] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all belong to the protection scope of the present invention.

Claims

1. A burner, characterized in that: The invention comprises a base (1) and a nozzle structure (2) integrally arranged at one end of the base (1), the nozzle structure (2) comprising a nozzle seat (21), a water retaining boss (22) arranged on the nozzle seat (21), an air channel (210) opened on the nozzle seat (21), and a nozzle (20), the air channel (210) being opened inside the nozzle seat (21) and communicating with the nozzle (20) at a first end, the air channel (210) being connected to an air supply pipe outside a burner, the water retaining boss (22) being arranged on one side of the nozzle seat (21) facing the middle of the base (1), and the nozzle (20) being arranged to penetrate the water retaining boss (22) along the X direction.

2. The burner according to claim 1, characterized in that The upper side surface of the water retaining boss (22) is inclined downward from the middle to both sides along the Y direction.

3. The burner according to claim 2, characterized in that The upper side surface of the water retaining boss (22) is an arc surface.

4. The burner according to claim 1, characterized in that It also comprises a first water retaining edge (23), which is arranged on the upper part of the water retaining boss (22) and protrudes from the water retaining boss (22) along the X direction, and is located on the upper side of the nozzle (20).

5. The burner according to claim 4, characterized in that The upper side surface of the first water retaining edge (23) is inclined downward from the middle to both sides along the Y direction.

6. The burner according to claim 1, characterized in that It also includes a second water retaining edge (24), which is arranged on one side of the water retaining boss (22) facing the middle of the base (1), and the second water retaining edge (24) protrudes from the water retaining boss (22) along the Y direction.

7. The burner according to claim 6, characterized in that The side surface of the second water retaining edge (24) facing the middle of the base (1) is coplanar with the side surface of the water retaining boss (22) facing the middle of the base (1).

8. The burner according to any one of claims 1 to 7, characterized in that: The nozzle (20) comprises a constant diameter portion (201) and a first variable diameter portion (202); the inner diameter of each part of the constant diameter portion (201) is the same; one end of the constant diameter portion (201) is connected to the airway (210), and the other end is connected to the first variable diameter portion (202); the first variable diameter portion (202) is connected to the outside of the nozzle structure (2); and the inner diameter of the first variable diameter portion (202) gradually increases from the inside to the outside.

9. The burner according to claim 8, characterized in that The nozzle (20) further comprises a second diameter-reducing portion (203), the constant diameter portion (201) being connected to the airway (210) via the second diameter-reducing portion (203), and the inner diameter of the second diameter-reducing portion (203) gradually decreases from the inside to the outside.

10. A gas stove, characterized in that: A burner comprising the burner according to any one of claims 1 to 9.

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