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

Abstract

The invention 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 invention relates to a gas burner, in particular to an ejector pipe of a burner. Background Art

[0002] The current prior art, Chinese Patent 201910462738.2, is an ejector tube assembly, which includes a nozzle and an ejector tube arranged in sequence along the gas flow direction, the ejector tube having a horizontal section, and a baffle unit is provided in the horizontal section of the ejector tube along the gas flow direction to separate multiple gas channels, and the confluence positions of two adjacent gas channels are staggered along the gas flow direction. In the ejector tube assembly, when the gas is ejected from the nozzle, forms a mixed gas with the air and passes through the horizontal section of the ejector tube, the mixed gas will be separated by the baffle unit along the gas flow direction and flow in multiple gas channels. The problem is that the gas and air mixture passes through multiple gas channels and then mixes again, and there is still a hidden danger of insufficient air. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-nozzle ejector tube assembly, which has the characteristics that the fuel gas and air mixture of the auxiliary ejector tube are mixed in the main ejector tube and the air is sufficient.

[0004] The present invention is implemented as follows: a multi-nozzle ejector tube assembly, which is special in that it includes an air inlet seat, a main nozzle, an auxiliary nozzle and / or a plug, a main ejector tube and at least one auxiliary ejector tube,

[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 threaded holes are provided on the main air outlet seat and the auxiliary air outlet seat;

[0006] The main ejector tube includes a main cylindrical portion, a main compression tube portion, a main compression throat and a main diffuser tube.

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

[0008] 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 with the main diffuser pipe of the main ejector pipe, and the auxiliary nozzle is connected with the air inlet end of the auxiliary ejector pipe.

[0009] The multi-nozzle ejector tube assembly is special in that: the air inlet seat is provided with two auxiliary air passages and an auxiliary air outlet seat.

[0010] Auxiliary nozzles are arranged on one or two auxiliary air outlet seats.

[0011] The multi-nozzle ejector tube assembly is special in that at least two fixed column seats are provided on the air inlet seat, and at least two fixed seats are provided on the main cylindrical portion of the main ejector tube.

[0012] The screw passes through the fixing seat and is screwed into the fixing column seat.

[0013] The multi-nozzle ejector tube assembly is special in that the auxiliary ejector tubes are in the same plane.

[0014] The multi-nozzle ejector tube assembly is special in that the main ejector tube and the auxiliary ejector tube are integrally formed.

[0015] A gas burner is special in that it comprises the multi-nozzle ejector pipe assembly as described above.

[0016] A gas cooker, which is special in that it comprises the gas burner as described above.

[0017] The invention discloses a multi-nozzle ejector tube assembly. The mixed gas of the auxiliary ejector tube enters the main ejector tube and is mixed with the mixed gas of the main ejector tube. The air is sufficient and suitable for high power. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the front view of the present invention.

[0019] Figure 2 yes Figure 1 A-A view of.

[0020] Figure 3 yes Figure 2 B-B view.

[0021] Figure 4 It is a perspective view of the present invention.

[0022] Figure 5 It is one of the three-dimensional exploded views of the present invention.

[0023] Figure 6 It is the second of the three-dimensional exploded diagrams of the present invention. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to 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 comprises an air inlet passage 11, a main air outlet seat 12, two auxiliary air passages 13 and two auxiliary air outlet seats 14, and threaded holes are provided on the main air outlet seat 12 and the auxiliary air outlet seat 14; the air inlet seat 1 is formed by one-step air molding, and the auxiliary air passages 13 are connected to the air inlet passage 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, 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 and provided with an air gap, the air outlet end of the auxiliary ejector pipe 5 is connected with the main diffuser pipe 44 of the main ejector pipe 4, and the auxiliary nozzle 3 is connected with 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 the auxiliary nozzles 3 are arranged on the auxiliary gas outlet seat 14, it is suitable for high-power or ultra-high-power gas burners; when a part of the auxiliary nozzles 3 are arranged, it is suitable for medium-power gas burners; when all the screw plugs are arranged on the auxiliary gas outlet seat 14, it is suitable for low-power gas burners;

[0033] The present invention can be provided with three or more auxiliary ejector tubes.

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

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

[0036] The auxiliary ejector tubes 5 are in the same plane.

[0037] The main ejector tube 4 and the auxiliary ejector tube 5 are integrally formed.

[0038] A gas burner is special in that it comprises the multi-nozzle ejector pipe assembly as described above.

[0039] A gas cooker is characterized in that it comprises the gas burner as described above.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention 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 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 threaded holes are provided on the main air outlet seat and the auxiliary air outlet seat; The main ejector tube includes a main cylindrical portion, a main compression tube portion, a main compression throat and a 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 with the main diffuser pipe of the main ejector pipe, and the auxiliary nozzle is connected with the air inlet end of the auxiliary ejector pipe.

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

3. A 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. A multi-nozzle ejector tube assembly according to claim 2, characterized in that: The secondary 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: It comprises a multi-nozzle ejector tube assembly as claimed in 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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