A central direct injection three-ring fire burner

By designing a centrally injected triple-ring burner and combining it with an innovative structure of the injector assembly and burner seat, the stir-frying function of the triple-ring burner was realized, solving the problem that existing technologies cannot achieve stir-frying without a centrally injected burner, and improving the flexibility of burner use.

CN224302075UActive Publication Date: 2026-05-29ZHONGSHAN CHUANGJINPIN ELECTRIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGSHAN CHUANGJINPIN ELECTRIC CO LTD
Filing Date
2025-04-15
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing technologies lack a central direct injection burner, making it impossible to achieve the stir-fry function.

Method used

A central direct injection triple-ring burner was designed, comprising an injector assembly, an inlet/outlet gas seat, a flame distributor seat, a direct injection combustion tube, a central annular flame cap, an inner annular flame cap, and an outer annular flame cap. Through the combination of the central inlet/outlet gas tube, the main inlet/outlet gas chamber, and the direct injection inlet/outlet gas seat, triple-ring combustion is achieved and direct injection combustion is supported.

Benefits of technology

It realizes the stir-fry function of the three-ring burner, improving the burner's flexibility and versatility.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224302075U_ABST
Patent Text Reader

Abstract

A center direct injection three-ring fire burner includes an ejector pipe group, an inlet and outlet gas seat, a distributor seat, a direct injection combustion pipe, a center circular ring fire cover, an inner circular ring fire cover and an outer ring fire cover, the distributor seat includes a center annular gas groove, a direct injection ejector pipe, an inner annular gas groove, an outer ring gas groove, a center gas inlet interface and a main gas inlet interface, the outer interfaces of a center vertical gas outlet pipe and a main gas outlet cavity are respectively inserted into the center gas inlet interface and the main gas inlet interface and support the center gas inlet interface and the main gas inlet interface, the nozzle of the direct injection inlet and outlet gas seat is opposite to the direct injection ejector pipe; the lower end of the direct injection combustion pipe is communicated with the gas outlet end of the direct injection ejector pipe and the upper end is located in the cover axis hole of the center circular ring fire cover; the center circular ring fire cover, the inner circular ring fire cover and the outer ring fire cover are respectively buckled with the center annular gas groove, the inner annular gas groove and the outer ring gas groove. The direct injection combustion pipe and the direct injection ejector pipe on the distributor seat are arranged, direct injection fire combustion is realized at the same time of three-ring fire combustion, and the direct injection fire combustion is suitable for explosive frying.
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Description

Technical Field

[0001] This utility model relates to a stove burner. Background Technology

[0002] The existing technology, Chinese patent 202221206670.5, describes a three-ring burner, including a base, a cover, and a burner cap. The base has a middle ring air intake channel and an outer ring air intake channel. The cover is detachably mounted on the base and has an inner ring air intake channel and an inner ring gas groove connected to the inner ring air intake channel. The cover and base are joined to form independent middle ring gas grooves and outer ring gas grooves. The middle ring gas groove is connected to the middle ring air intake channel, and the outer ring gas groove is connected to the outer ring air intake channel. In this structure, by detachably mounting the cover on the base, the production and processing of the three-ring burner can be facilitated, reducing the manufacturing difficulty and making the processing and manufacturing of the three-ring burner more convenient and simple. However, a problem exists: there is no central direct injection burner, so it cannot achieve stir-frying. Utility Model Content

[0003] The purpose of this invention is to provide a center-direct-injection triple-ring burner that enables stir-frying.

[0004] This invention is achieved as follows: a center-direct-injection three-ring burner, characterized in that it includes an injector assembly, an inlet / outlet gas seat, a flame distributor seat, a direct-injection combustion tube, a center annular flame cap, an inner annular flame cap, and an outer annular flame cap.

[0005] The ejector assembly includes a central ejector and a main ejector.

[0006] The air inlet / outlet seat includes a seat plate, a central air inlet / outlet pipe at the front, a main air inlet / outlet chamber on one side of the rear, and a direct injection air inlet / outlet seat on the other side of the rear.

[0007] The central air inlet and outlet pipes include a central vertical air outlet pipe and a central horizontal air inlet pipe. The upper end of the central vertical air outlet pipe passes through the seat plate.

[0008] The main air inlet and outlet chambers include the main air outlet chamber and the horizontal main air inlet pipe, with the upper end of the main air outlet chamber passing through the seat plate;

[0009] The ignition distributor base includes a central annular gas groove, a direct injection tube, an inner annular gas groove, an outer annular gas groove, a central air intake port, and a main air intake port. The central air intake port is connected to the central annular gas groove, and the main air intake port is connected to the inner annular gas groove and the outer annular gas groove. The outlet end of the direct injection tube extends into the axial hole of the central annular gas groove.

[0010] The external interfaces of the central vertical exhaust pipe and the main exhaust chamber are respectively inserted into the central air intake interface and the main air intake interface and support the central air intake interface and the main air intake interface. The nozzle of the direct injection air intake and exhaust seat is opposite to the direct injection ejector. The lower end of the direct injection combustion pipe is connected to the exhaust end of the direct injection ejector and the upper end is located in the cap axis hole of the central annular burner cap. The central annular burner cap, the inner annular burner cap and the outer annular burner cap are respectively engaged with the central annular gas groove, the inner annular gas groove and the outer annular gas groove.

[0011] Preferably, the lower end of the direct injection combustion pipe is provided with a flange and an externally threaded pipe section.

[0012] The outlet end of the direct injection tube is provided with an internal threaded cavity, the external threaded part of the tube and the internal threaded cavity are screwed together, and the flange and the outlet end are fitted together for positioning.

[0013] Preferably, the outlet end of the central ejector tube is provided with a central flange and a central external interface, and the outlet end of the main ejector tube is provided with a main flange and a main external interface;

[0014] It also includes a connecting plate, which intersects with the center flange and the main flange and is provided with connecting holes;

[0015] A fixing plate is provided between the central horizontal air intake pipe and the horizontal main air intake pipe, and the fixing plate is provided with screw holes;

[0016] The central external interface and the main external interface are inserted into the central horizontal air intake pipe and the horizontal main air intake pipe, respectively. The connecting plate and the fixed base plate are attached, and the screws pass through the connecting hole and the screw hole and are screwed in.

[0017] Preferably, the air inlet end of the direct injection air seat passes through the seat plate and is provided with a circular interface pipe.

[0018] Preferably, the inner annular gas trough is provided with an inner radial guide plate and is opposite to the main air intake interface, and the outer annular gas trough is provided with an outer radial guide plate and is opposite to the main air intake interface.

[0019] Preferably, the inner radial guide plate and the outer radial guide plate are respectively provided with vertical air holes.

[0020] This utility model discloses a center direct injection three-ring burner. The direct injection combustion tube and the direct injection ejector tube on the burner seat enable the three-ring combustion to be achieved simultaneously with the direct injection combustion, making it suitable for stir-frying. Attached Figure Description

[0021] Figure 1 This is one of the sectional views of this utility model.

[0022] Figure 2 This is the second sectional view of this utility model.

[0023] Figure 3 This is one of the exploded perspective views of this utility model.

[0024] Figure 4 This is the second exploded perspective view of this utility model.

[0025] Figure 5 This is a perspective view of the present invention.

[0026] Figure 6 This is a top view of the fire distributor base of this utility model.

[0027] Figure 7 This is a perspective view of the fire distributor base of this utility model. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] like Figure 1 , Figure 2 , Figure 3 As shown, a center-injection three-ring burner includes an injector assembly 1, an inlet / outlet gas seat 2, a flame distributor seat 3, a direct injection combustion tube 4, a center annular flame cap 5, an inner annular flame cap 6, and an outer annular flame cap 7.

[0031] Ejector assembly 1 includes a central ejector tube 11 and a main ejector tube 12.

[0032] The air inlet / outlet seat 2 includes a seat plate 21, a central air inlet / outlet pipe 22 located at the front, a main air inlet / outlet chamber 23 located on one side of the rear, and a direct injection air inlet / outlet seat 24 located on the other side of the rear.

[0033] The central air inlet / outlet pipe 22 includes a central vertical air outlet pipe 221 and a central horizontal air inlet pipe 222. The upper end of the central vertical air outlet pipe 221 passes through the base plate 21 and is provided with a central external interface.

[0034] The main air inlet and outlet chamber 23 includes a main air outlet chamber 231 and a horizontal main air inlet pipe 232. The upper end of the main air outlet chamber 231 passes through the seat plate 21 and is provided with a main external interface.

[0035] The ignition distributor base 3 includes a central annular gas groove 31, a direct injection nozzle 32, an inner annular gas groove 33, an outer annular gas groove 34, a central air intake port 35, and a main air intake port 36. The central air intake port 35 is connected to the central annular gas groove 31, and the main air intake port 36 is connected to the inner annular gas groove 33 and the outer annular gas groove 34. Figure 6 As shown, the outlet end 321 of the direct injection tube 32 extends into the axial hole of the central annular gas tank 31;

[0036] The central external interface of the central vertical exhaust pipe 221 and the main external interface of the main exhaust chamber 231 are respectively inserted into the central air intake interface 35 and the main air intake interface 36, and the central vertical exhaust pipe 221 and the main exhaust chamber 231 support the central air intake interface 35 and the main air intake interface 36. The nozzle of the direct injection air intake seat 24 and the direct injection ejector 32 are opposite to each other. The lower end of the direct injection combustion pipe 4 is connected to the exhaust end 321 of the direct injection ejector 32, and the upper end is located in the cap axis hole 51 of the central annular flame cap 5. The central annular flame cap 5, the inner annular flame cap 6 and the outer annular flame cap 7 are respectively engaged with the central annular gas groove 31, the inner annular gas groove 33 and the outer annular gas groove 34.

[0037] As a further improvement of this utility model: the lower end of the direct injection combustion pipe 4 is provided with a flange 41 and an externally threaded pipe section 42.

[0038] The air outlet 321 of the direct injection tube 32 is provided with an internal threaded cavity, the external threaded tube 42 is screwed into the internal threaded cavity, and the flange 41 is fitted into the air outlet 321 for positioning.

[0039] As a further improvement of this utility model: the outlet end of the central ejector tube 11 is provided with a central flange 111 and a central external interface 112, and the outlet end of the main ejector tube 12 is provided with a main flange 121 and a main external interface 122.

[0040] It also includes a connecting plate 13, which intersects with the center flange 111 and the main flange 121 and is provided with connecting holes;

[0041] A fixing plate 25 is provided between the central horizontal air intake pipe 222 and the horizontal main air intake pipe, and the fixing plate 25 is provided with screw holes.

[0042] The central external interface 112 and the main external interface 122 are respectively inserted into the central horizontal air intake pipe 222 and the horizontal main air intake pipe 232. The connecting plate 13 and the fixed base plate 25 are attached to each other, and the screws pass through the connecting hole and the screw hole and are screwed in.

[0043] As a further improvement of this utility model: the air inlet end of the direct injection air inlet / outlet seat 24 passes through the seat plate 21 and is provided with a circular interface pipe.

[0044] As a further improvement of this utility model: the inner annular gas groove 33 is provided with an inner radial guide plate 331 and is opposite to the main air intake interface 36, and the outer annular gas groove 34 is provided with an outer radial guide plate 341 and is opposite to the main air intake interface 36.

[0045] Vertical air holes are provided on the inner radial guide plate 331 and the outer radial guide plate 341 respectively.

[0046] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A center-injection triple-ring burner, characterized in that: It includes the ejector assembly, inlet and outlet gas seats, ignition distributor seat, direct injection combustion tube, central annular burner cap, inner annular burner cap, and outer annular burner cap. The ejector assembly includes a central ejector and a main ejector. The air inlet / outlet seat includes a seat plate, a central air inlet / outlet pipe at the front, a main air inlet / outlet chamber on one side of the rear, and a direct injection air inlet / outlet seat on the other side of the rear. The central air inlet and outlet pipes include a central vertical air outlet pipe and a central horizontal air inlet pipe. The upper end of the central vertical air outlet pipe passes through the seat plate. The main air inlet and outlet chambers include the main air outlet chamber and the horizontal main air inlet pipe, with the upper end of the main air outlet chamber passing through the seat plate; The ignition distributor base includes a central annular gas groove, a direct injection tube, an inner annular gas groove, an outer annular gas groove, a central air intake port, and a main air intake port. The central air intake port is connected to the central annular gas groove, and the main air intake port is connected to the inner annular gas groove and the outer annular gas groove. The outlet end of the direct injection tube extends into the axial hole of the central annular gas groove. The external interfaces of the central vertical exhaust pipe and the main exhaust chamber are respectively inserted into the central air intake interface and the main air intake interface and support the central air intake interface and the main air intake interface. The nozzle of the direct injection air intake and exhaust seat is opposite to the direct injection ejector. The lower end of the direct injection combustion pipe is connected to the exhaust end of the direct injection ejector and the upper end is located in the cap axis hole of the central annular burner cap. The central annular burner cap, the inner annular burner cap and the outer annular burner cap are respectively engaged with the central annular gas groove, the inner annular gas groove and the outer annular gas groove.

2. The center-injection triple-ring burner according to claim 1, characterized in that: The lower end of the direct injection combustion pipe is provided with a flange and an externally threaded pipe section. The outlet end of the direct injection tube is provided with an internal threaded cavity, the external threaded part of the tube and the internal threaded cavity are screwed together, and the flange and the outlet end are fitted together for positioning.

3. A center-injection triple-ring burner according to claim 1, characterized in that: The outlet end of the central ejector tube is provided with a central flange and a central external interface, and the outlet end of the main ejector tube is provided with a main flange and a main external interface. It also includes a connecting plate, which intersects with the center flange and the main flange and is provided with connecting holes; A fixing plate is provided between the central horizontal air intake pipe and the horizontal main air intake pipe, and the fixing plate is provided with screw holes; The central external interface and the main external interface are inserted into the central horizontal air intake pipe and the horizontal main air intake pipe, respectively. The connecting plate and the fixed base plate are attached, and the screws pass through the connecting hole and the screw hole and are screwed in.

4. A center-injection triple-ring burner according to claim 1, characterized in that: The air inlet end of the direct injection air seat passes through the seat plate and is equipped with a circular interface pipe.

5. A center-injection triple-ring burner according to claim 1, characterized in that: The inner annular gas trough is provided with an inner radial guide plate and is opposite to the main air intake interface, and the outer annular gas trough is provided with an outer radial guide plate and is opposite to the main air intake interface.

6. A center-direct injection triple-ring burner according to claim 5, characterized in that: Vertical air holes are provided on the inner radial guide plate and the outer radial guide plate respectively.