Gas nozzle, combustor and gas stove

Abstract

The utility model relates to the field of kitchen utensils, in particular to a gas nozzle, a burner and a gas stove, and the gas nozzle comprises a nozzle body and an adjusting piece, a nozzle hole is formed in the head end of the nozzle body, a penetrating extension hole is formed in the adjusting part, the axis of the extension hole coincides with the axis of the nozzle hole, and the adjusting part is connected to the head end of the nozzle body and can move back and forth in the axis direction of the nozzle hole relative to the head end. The adjusting piece capable of moving back and forth relative to the head end is connected to the head end of the nozzle body, the total length of the gas channel formed by the nozzle hole of the nozzle body and the extension hole of the adjusting piece can be adjusted, and therefore the flow coefficient of the gas nozzle is adjusted.

Description

Technical Field

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

[0002] At present, the flow coefficients of the nozzles used in the burners of household gas stoves are fixed and cannot be adjusted. In this way, when the calorific value, pressure, etc. of the gas source changes, since the flow coefficient is fixed, the speed of the gas sprayed from the nozzle will change, and the amount of air induced by the gas sprayed from the same nozzle will also change. Ultimately, the flame state of the gas stove burner will change (flame separation, yellow flame, flame out, etc.).

[0003] The common method is to adjust the air door of the gas stove to match the change of the flow coefficient of the nozzle. However, this method requires the corresponding air door, which has a complex structure. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the defect that the flow coefficient of the gas nozzle in the prior art is inconvenient to adjust, and to provide a gas nozzle, a burner and a gas stove with adjustable flow coefficient.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] A gas nozzle, comprising: a nozzle body and an adjusting member;

[0007] A nozzle hole is provided in the head end of the nozzle body, and a penetrating extension hole is provided in the adjusting member, the axis of the extension hole coincides with the axis of the nozzle hole, and the adjusting member is engaged with the head end of the nozzle body and can move back and forth in the axial direction of the nozzle hole relative to the head end.

[0008] In this solution, by engaging an adjusting member that can move back and forth relative to the head end at the head end of the nozzle body, the total length of the gas channel formed by the nozzle hole of the nozzle body and the extended hole of the adjusting member can be adjusted, thereby adjusting the flow coefficient of the gas nozzle.

[0009] Preferably, the adjusting member is threadedly engaged with the head end of the nozzle body.

[0010] In this solution, the adjusting member is threadedly engaged with the head end of the nozzle body, so that the adjusting member can move back and forth relative to the head end of the nozzle body in the axial direction of the nozzle hole.

[0011] Preferably, a groove is provided at the head end of the nozzle body, a joint portion is provided at the center of the groove, and the adjusting member is engaged with the joint portion.

[0012] In this solution, the adjusting member is engaged with the head end of the nozzle body by providing a groove, thereby preventing the adjusting member from affecting the structure of the head end of the nozzle body.

[0013] Preferably, the adjusting member is sleeved on the joint portion.

[0014] In this solution, the adjusting member is coupled to the head end of the nozzle body by sleeve arrangement.

[0015] Preferably, the engaging portion is provided with an external thread, and the adjusting member is provided with an internal thread.

[0016] In this solution, the adjusting member is engaged with the engaging portion by providing an external thread and an internal thread.

[0017] Preferably, the tail end of the nozzle body is provided with a threaded engagement portion, and the head end of the nozzle body is formed as a hexagonal head bolt.

[0018] In this solution, a threaded joint and a hexagonal bolt are provided on the nozzle body so that the nozzle body can be mounted on the burner.

[0019] Preferably, an anti-slip portion is provided on the outer peripheral surface of the adjusting member.

[0020] In this solution, by providing an anti-slip portion on the outer peripheral surface of the adjusting member, the adjusting member can be easily operated to engage the adjusting member and the nozzle body.

[0021] Preferably, the elongated hole and the nozzle hole have the same diameter.

[0022] In this solution, the diameters of the extension hole and the nozzle hole are made the same to form a uniform gas passage.

[0023] A burner comprises the gas nozzle as described above.

[0024] A gas stove comprises the gas nozzle as described above.

[0025] The positive progressive effect of the utility model is that by engaging an adjusting member that can move back and forth relative to the head end at the head end of the nozzle body, the total length of the gas channel formed by the nozzle hole of the nozzle body and the extended hole of the adjusting member can be adjusted, thereby adjusting the flow coefficient of the gas nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The figure is a schematic diagram of the three-dimensional structure of a gas nozzle according to an embodiment of the utility model.

[0027] Figure 2 It is a schematic diagram of the three-dimensional structure of a nozzle body according to an embodiment of the utility model.

[0028] Figure 3It is a schematic diagram of the three-dimensional structure of an adjusting member according to an embodiment of the utility model.

[0029] Figure 4 It is a schematic diagram of the cross-sectional structure of a gas nozzle according to an embodiment of the utility model.

[0030] Description of reference numerals:

[0031] Gas nozzle 100

[0032] Nozzle body 110

[0033] Headend 111

[0034] Tail end 112

[0035] Nozzle hole 113

[0036] Groove 114

[0037] Joint 115

[0038] Hexagon head bolt 116

[0039] Threaded joint 117

[0040] Adjustment 120

[0041] Extension hole 121

[0042] Anti-slip part 122 DETAILED DESCRIPTION

[0043] The present invention is further described below by way of embodiments in conjunction with the accompanying drawings, but the present invention is not limited to the scope of the embodiments.

[0044] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0045] like Figure 1-4 As shown, this embodiment provides a gas nozzle 100 , which includes: a nozzle body 110 and an adjusting member 120 .

[0046] A nozzle hole 113 is provided in the head end 111 of the nozzle body 110, and a penetrating extension hole 121 is provided in the adjusting member 120, the axis of the extension hole 121 coincides with the axis of the nozzle hole 113, and the adjusting member 120 is coupled to the head end 111 of the nozzle body 110 and can move back and forth in the axial direction of the nozzle hole 113 relative to the head end 111.

[0047] The “head end 111 ” of the nozzle body 110 here refers to the end of the nozzle body 110 that sprays gas, and the end opposite to the head end 111 is the “tail end 112 ”.

[0048] By connecting an adjusting member 120 that can move back and forth relative to the head end 111 to the head end 111 of the nozzle body 110, the total length of the gas channel formed by the nozzle hole 113 of the nozzle body 110 and the extended hole 121 of the adjusting member 120 can be adjusted, thereby adjusting the flow coefficient of the gas nozzle 100.

[0049] In this embodiment, the adjusting member 120 is threadedly engaged with the head end 111 of the nozzle body 110 .

[0050] By threading the adjusting member 120 to the head end 111 of the nozzle body 110 , the adjusting member 120 can be moved back and forth relative to the head end 111 of the nozzle body 110 in the axial direction of the nozzle hole 113 .

[0051] A groove 114 is formed at the head end 111 of the nozzle body 110 . A coupling portion 115 is formed at the center of the groove 114 . The adjusting member 120 is coupled to the coupling portion 115 .

[0052] By providing the groove 114 , the adjusting member 120 is coupled to the head end 111 of the nozzle body 110 , thereby preventing the adjusting member 120 from affecting the structure of the head end 111 of the nozzle body 110 .

[0053] The adjusting member 120 is sleeved on the joint portion 115. By sleeved, the adjusting member 120 is joined to the head end 111 of the nozzle body 110.

[0054] The joint portion 115 is provided with an external thread, and the adjusting member 120 is provided with an internal thread. By providing the external thread and the internal thread, the adjusting member 120 is engaged with the joint portion 115.

[0055] In this embodiment, a threaded joint structure is used to realize the back and forth movement of the adjusting member 120 relative to the head end 111 of the nozzle body 110 in the axial direction of the nozzle hole 113, but the utility model is not limited thereto, and those skilled in the art can set other joint structures as needed. For example, the adjusting member 120 is engaged with the nozzle body 110 and multiple engaging positions are set, so that the total length of the gas channel formed by the nozzle hole 113 of the nozzle body 110 and the extended hole 121 of the adjusting member 120 can be changed according to multiple engaging positions, or the adjusting member 120 is slidably engaged with the nozzle body 110 to realize the stepless adjustment of the total length of the gas channel formed by the nozzle hole 113 of the nozzle body 110 and the extended hole 121 of the adjusting member 120.

[0056] Of course, it should be understood that threaded engagement has the advantage of being infinitely adjustable and having a high degree of adjustment accuracy.

[0057] The adjusting member 120 is generally formed as a cylindrical member, which is matched with the shape of the groove 114 formed at the head end 111 of the nozzle body 110 .

[0058] However, the present invention is not limited thereto, and those skilled in the art can set the shape of the adjusting member 120 as required.

[0059] When the adjusting member 120 is screwed to the bottom relative to the joint 115, the total length of the gas channel formed by the nozzle hole 113 of the nozzle body 110 and the extension hole 121 of the adjusting member 120 is the shortest, and the amount of air ejected by the gas nozzle 100 is the largest at this time.

[0060] As the adjusting member 120 is screwed relative to the joint 115 toward the head end 111, the total length of the gas channel formed by the nozzle hole 113 of the nozzle body 110 and the extension hole 121 of the adjusting member 120 becomes longer, and the amount of air ejected by the gas nozzle 100 decreases.

[0061] The tail end 112 of the nozzle body 110 is provided with a threaded engagement portion 117 , and the head end 111 of the nozzle body 110 is formed as a hexagonal head bolt 116 .

[0062] The nozzle body 110 is provided with a threaded engagement portion 117 and a hexagonal head bolt 116 so that the nozzle body 110 can be mounted on the combustor.

[0063] Specifically, when installing the nozzle body 110 to the end of the gas pipeline of the burner, first, the threaded joint 117 of the tail end 112 of the nozzle body 110 is screwed into engagement with the port of the gas pipeline, and then the hexagonal head bolt 116 of the head end 111 of the nozzle body 110 is screwed using a wrench or the like, so that the gas nozzle 100 is tightened relative to the gas pipeline.

[0064] Since the adjusting member 120 and the like are disposed inside the nozzle body 110 and do not interfere with the outer surface of the nozzle body 110 , the arrangement of the adjusting member 120 will not affect the normal installation of the gas nozzle 100 .

[0065] The outer circumferential surface of the adjusting member 120 is provided with an anti-slip portion 122. By providing the anti-slip portion 122 on the outer circumferential surface of the adjusting member 120, it is convenient to operate the adjusting member 120 to engage the adjusting member 120 and the nozzle body 110.

[0066] An example of the anti-skid portion 122 is a surface knurling. Of course, the present invention is not limited thereto, and those skilled in the art can also select other forms of the anti-skid portion 122 as needed, such as pasting an anti-skid sticker.

[0067] During adjustment, the adjusting member 120 can be twisted relative to the nozzle body 110 by manually holding the anti-slip portion 122 , thereby adjusting the length of the gas channel and thus adjusting the flow coefficient.

[0068] The apertures of the extension hole 121 and the nozzle hole 113 are the same. The apertures of the extension hole 121 and the nozzle hole 113 are the same, so that a uniform gas passage is formed. Of course, those skilled in the art can also set the apertures of the extension hole 121 and the nozzle hole 113 as needed.

[0069] This embodiment further provides a burner, which includes the above-mentioned gas nozzle 100, and the gas nozzle 100 is aimed at the ejector pipe of the burner and ejects gas toward the ejector pipe.

[0070] Since the gas nozzle 100 of the burner of the utility model can be adjusted, the flow length of the gas injection, that is, the total length of the above-mentioned gas channel is adjusted. Therefore, the amount of air induced by the gas can be adjusted by adjusting this total length. There is no need to set up structures such as air flaps to adjust the air induced amount of the burner, and the overall structure of the burner is simplified.

[0071] This embodiment further provides a gas stove, which includes the above-mentioned gas nozzle 100, and the gas nozzle 100 is aimed at the ejection pipe of the burner and ejects gas toward the ejection pipe.

[0072] Since the gas nozzle 100 of the gas stove of the utility model can be adjusted, the flow length of the gas injection, that is, the total length of the above-mentioned gas channel is adjusted. Therefore, the amount of air induced by the gas can be adjusted by adjusting the total length. There is no need to set up structures such as air flaps to adjust the air induced amount of the burner, and the overall structure of the gas stove is simplified.

[0073] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship of the device or component in normal use, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operate in a specific orientation at any time, and therefore cannot be understood as a limitation on the present invention in this regard.

[0074] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A gas nozzle, characterized in that: It includes: Nozzle body and adjustment piece; A nozzle hole is provided in the head end of the nozzle body, and a penetrating extension hole is provided in the adjusting member, the axis of the extension hole coincides with the axis of the nozzle hole, and the adjusting member is engaged with the head end of the nozzle body and can move back and forth in the axial direction of the nozzle hole relative to the head end.

2. The gas nozzle according to claim 1, characterized in that: The adjusting member is threadedly engaged with the head end of the nozzle body.

3. The gas nozzle according to claim 1, characterized in that: A groove is provided at the head end of the nozzle body, a joint portion is provided at the center of the groove, and the adjusting member is engaged with the joint portion.

4. The gas nozzle according to claim 3, characterized in that: The adjusting piece is sleeved on the joint portion.

5. The gas nozzle according to claim 4, characterized in that: The engaging portion is provided with an external thread, and the adjusting member is provided with an internal thread.

6. The gas nozzle according to claim 1, characterized in that: The tail end of the nozzle body is provided with a threaded joint, and the head end of the nozzle body is formed as a hexagonal head bolt.

7. The gas nozzle according to claim 1, characterized in that: An anti-slip portion is provided on the outer peripheral surface of the adjusting member.

8. The gas nozzle according to claim 1, characterized in that: The elongated hole and the nozzle hole have the same hole diameter.

9. A burner, characterized in that: It comprises the gas nozzle according to any one of claims 1-8.

10. A gas stove, characterized in that: It comprises the gas nozzle according to any one of claims 1-8.

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