Multi-nozzle injection pipe assembly, gas burner and gas stove

Abstract

The utility model discloses a multi-nozzle injection pipe assembly, a gas burner and a gas cooker, the multi-nozzle injection pipe assembly comprises a gas inlet seat, a main nozzle, an auxiliary nozzle and / or a screwed plug, a main injection pipe and at least one auxiliary injection pipe, the gas inlet seat comprises a gas inlet channel, a main gas outlet seat, at least one auxiliary gas channel and at least one auxiliary gas outlet seat, and threaded holes are formed in the main gas outlet seat and the auxiliary gas outlet seat; the main injection pipe comprises a main cylindrical part, a main compression pipe part, a main compression throat and a main diffuser pipe. The auxiliary injection pipe comprises an auxiliary cylindrical part, an auxiliary compression pipe part, an auxiliary compression throat and an auxiliary diffuser pipe. The main air outlet seat is provided with a main nozzle, the auxiliary air outlet seat is provided with an auxiliary nozzle or a screwed plug, the air inlet seat and the main injection pipe are fixed and provided with an air gap, the air outlet end of the auxiliary injection pipe is communicated with the main diffuser pipe of the main injection pipe, and the auxiliary nozzle is communicated with the air inlet end of the auxiliary injection pipe. The mixed gas of the auxiliary injection pipe enters the main injection pipe and is mixed with the mixed gas of the main injection pipe, so that the air is sufficient, and the device is suitable for high power.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas combustor, especially a kind of ejector pipe of combustor. BACKGROUND

[0002] The prior art, Chinese patent 201910462738.2, an ejector pipe assembly includes a nozzle and an ejector pipe arranged in sequence along the direction of gas flow, the ejector pipe has a horizontal section, a baffle unit is provided in the horizontal section of the ejector pipe along the direction of gas flow to separate a plurality of gas passages, and the confluence positions of two adjacent gas passages are arranged staggeredly along the direction of gas flow. In the ejector pipe assembly, when the gas is ejected from the nozzle, the mixed gas is formed together with the air and passes through the horizontal section of the ejector pipe, the mixed gas is separated by the baffle unit along the direction of gas flow and flows in the plurality of gas passages. The problem is that the mixed gas of gas and air is mixed after passing through the plurality of gas passages, and there is still a risk of insufficient air. SUMMARY

[0003] The utility model aims at providing a multi-nozzle ejector pipe assembly, which has the characteristics of mixing the mixed gas of gas and air in the main ejector pipe and sufficient air in the auxiliary ejector pipe.

[0004] The utility model is implemented as follows: a multi-nozzle ejector pipe assembly, which is characterized by comprising an air inlet seat, a main nozzle, an auxiliary nozzle, a plug, a main ejector pipe, and at least one auxiliary ejector pipe,

[0005] The air inlet seat comprises an air inlet passage, a main air outlet seat, at least one auxiliary air passage, and at least one auxiliary air outlet seat, and the main air outlet seat and the auxiliary air outlet seat are provided with threaded holes;

[0006] The main ejector pipe comprises a main cylindrical portion, a main compression pipe portion, a main compression throat, and a main diffuser pipe,

[0007] The auxiliary ejector pipe comprises an auxiliary cylindrical portion, an auxiliary compression pipe portion, an auxiliary compression throat, and an auxiliary diffuser pipe;

[0008] The main air outlet seat is provided with the main nozzle, the auxiliary air outlet seat is provided with the auxiliary nozzle or the plug, the air inlet seat and the main ejector pipe are fixed and provided with an air gap, the air outlet end of the auxiliary ejector pipe is communicated with the main diffuser pipe of the main ejector pipe, and the auxiliary nozzle is communicated with the air inlet end of the auxiliary ejector pipe.

[0009] The multi-nozzle ejector pipe assembly is characterized in that the air inlet seat is provided with two auxiliary air passages and auxiliary air outlet seats,

[0010] One auxiliary air outlet seat or two auxiliary air outlet seats is provided with the auxiliary nozzle.

[0011] The multi-nozzle ejection pipe assembly is characterized in that the air inlet seat is provided with at least two fixed column seats, the main ejection pipe is provided with at least two fixed seats on the main cylindrical part,

[0012] The screw is screwed through the fixed seat and the fixed column seat.

[0013] The multi-nozzle ejection pipe assembly is characterized in that the auxiliary ejection pipes are in the same plane.

[0014] The multi-nozzle ejection pipe assembly is characterized in that the main ejection pipe and the auxiliary ejection pipes are integrally formed.

[0015] A gas burner is characterized in that it comprises the multi-nozzle ejection pipe assembly.

[0016] A gas stove is characterized in that it comprises the gas burner.

[0017] The multi-nozzle ejection pipe assembly is characterized in that the mixed gas of the auxiliary ejection pipe enters the main ejection pipe and mixes with the mixed gas of the main ejection pipe, the air is sufficient, and it is suitable for high power. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the front view of the utility model.

[0019] Figure 2 is the A-A view of Figure 1 .

[0020] Figure 3 is the B-B view of Figure 2 .

[0021] Figure 4 is the perspective view of the utility model.

[0022] Figure 5 is one of the perspective exploded views of the utility model.

[0023] Figure 6 is the second perspective exploded view of the utility model. DETAILED DESCRIPTION

[0024] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation of the utility model.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0026] like Figure 1 、 Figure 2 As shown, a multi-nozzle ejector tube assembly includes an air inlet seat 1, a main nozzle 2, an auxiliary nozzle 3 and / or a plug, a main ejector tube 4 and at least one auxiliary ejector tube 5.

[0027] The air inlet seat 1 includes an air inlet channel 11, a main air outlet seat 12, two auxiliary air channels 13 and two auxiliary air outlet seats 14. The main air outlet seat 12 and the auxiliary air outlet seat 14 are provided with threaded holes. The air inlet seat 1 is formed by one-step air molding. The auxiliary air channels 13 are connected to the air inlet channel 11.

[0028] like Figure 2 As shown, the main ejector tube 4 includes a main cylindrical portion 41, a main compression tube portion 42, a main compression throat 43 and a main diffuser tube 44.

[0029] The auxiliary ejector tube 5 includes an auxiliary cylindrical portion (not marked), an auxiliary compression tube portion, an auxiliary compression throat and an auxiliary diffuser tube; the main ejector tube 4 and the auxiliary ejector tube 5 have the same structure;

[0030] The main air outlet seat 12 is provided with a main nozzle 2, and the auxiliary air outlet seat 14 is provided with an auxiliary nozzle 3. The air inlet seat 1 and the main ejector pipe 4 are fixed with an air gap. The air outlet end of the auxiliary ejector pipe 5 is connected to the main diffuser pipe 44 of the main ejector pipe 4, and the auxiliary nozzle 3 is connected to the air inlet end of the auxiliary ejector pipe 5.

[0031] With such a structure, when in use, a screw plug can be provided on the threaded hole of the auxiliary air outlet seat 14 to increase or decrease the number of auxiliary nozzles 3;

[0032] When all auxiliary nozzles 3 are provided on the auxiliary gas outlet seat 14, it is suitable for high-power or ultra-high-power gas burners; when auxiliary nozzles 3 are provided on a part of the auxiliary gas outlet seat 14, it is suitable for medium-power gas burners; when all screw plugs are provided on the auxiliary gas outlet seat 14, it is suitable for low-power gas burners.

[0033] The utility model can be provided with three or more auxiliary ejector tubes.

[0034] As a further improvement of the present invention: three fixed column seats 15 are provided on the air inlet seat 1, and three fixed seats 411 are provided on the main cylindrical portion 41 of the main ejector tube 4.

[0035] The screw is screwed through the fixing seat 411 and the fixing column seat 15.

[0036] The auxiliary injection pipe 5 is in the same plane.

[0037] The main injection pipe 4 and the auxiliary injection pipe 5 are integrally formed.

[0038] A gas burner, characterized in comprising the multi-nozzle injection pipe assembly as described above.

[0039] A gas stove, characterized in comprising the gas burner as described above.

[0040] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A multi-nozzle ejector tube assembly, characterized in that: It includes an air inlet seat, a main nozzle, a secondary nozzle and a plug, a main ejector pipe and at least one secondary ejector pipe. The air inlet seat includes an air inlet channel, a main air outlet seat, at least one auxiliary air channel and at least one auxiliary air outlet seat, and threaded holes are provided on the main air outlet seat and the auxiliary air outlet seat; The main ejector tube includes the main cylindrical part, the main compression tube part, the main compression throat and the main diffuser tube. The auxiliary ejector tube comprises an auxiliary cylindrical portion, an auxiliary compression tube portion, an auxiliary compression throat and an auxiliary diffuser tube; The main air outlet seat is provided with a main nozzle, the auxiliary air outlet seat is provided with an auxiliary nozzle or a wire plug, the air inlet seat and the main ejector pipe are fixed and provided with an air gap, the air outlet end of the auxiliary ejector pipe is connected to the main diffuser pipe of the main ejector pipe, and the auxiliary nozzle is connected to the air inlet end of the auxiliary ejector pipe.

2. The multi-nozzle ejector tube assembly according to claim 1, characterized in that: The air inlet seat is provided with two auxiliary air ducts and an auxiliary air outlet seat. Auxiliary nozzles are provided on one or two auxiliary air outlet seats.

3. The multi-nozzle ejector tube assembly according to claim 1, characterized in that: The air inlet seat is provided with at least two fixed column seats, and the main cylindrical portion of the main ejector tube is provided with at least two fixed seats. The screw passes through the fixing seat and is screwed into the fixing column seat.

4. The multi-nozzle ejector tube assembly according to claim 2, characterized in that: The auxiliary ejector tubes are in the same plane.

5. The multi-nozzle ejector tube assembly according to claim 2, characterized in that: The main ejector tube and the auxiliary ejector tube are integrally formed.

6. A gas burner, characterized in that: The invention comprises a multi-nozzle ejector tube assembly according to any one of claims 1 to 5.

7. A gas cooker, characterized in that: Comprising the gas burner as claimed in claim 6.

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