Single-injection-pipe double-ring fire stove burner

Abstract

A double-ring fire stove burner with a single injection pipe comprises a burner head, a fire distributor seat, an inner fire cover, an outer ring fire cover, an ignition needle and an induction needle, and the burner head comprises a circular plate body, a radial plate, a gas inlet seat, a gas outlet seat and a nozzle arranged on the gas outlet seat. The distributor seat comprises a circular seat plate, a central fire cover seat, four axial secondary air holes, an outer ring fuel gas groove, an injection pipe, a premixing cavity and a flow dividing channel, the injection pipe, the premixing cavity and the outer ring fuel gas groove are sequentially communicated, the flow dividing channel is communicated with the central fire cover seat and the outer ring fuel gas groove, and supporting blocks are arranged on the injection pipe and the premixing cavity respectively; the air outlet seat supports the circular seat plate, the supporting block is matched with the circular plate body in a supporting mode, the nozzle is opposite to the injection pipe, the ignition needle and the induction needle are fixed to the ignition fixing hole and the induction fixing hole respectively, the ignition needle penetrates through an axial secondary air channel, and the induction needle penetrates through an axial secondary air channel. The burner only needs to be provided with one air inlet seat and one air outlet seat, the distributor seat is only provided with one injection pipe, the structure is simple, and manufacturing is convenient.

Description

Technical Field

[0001] The utility model relates to a burner for a cooking stove. Background Art

[0002] In the current prior art, Chinese Patent No. 202321303776.1 discloses a burner stove head with a combined flow dividing seat, including a flow dividing seat and a burner cap assembly arranged on the flow dividing seat. The flow dividing seat includes upper and lower seat bodies. The lower seat body is provided with a first ejector tube, and a first connection port communicated with the first ejector tube is arranged on the upper end surface of the lower seat body. The upper seat body is installed above the lower seat body. The upper seat body includes an outer ring part, an inner ring part located inside the outer ring part, and a flow dividing plate connecting the inner ring part and the outer ring part. A first gas groove is formed between the outer ring part, the inner ring part and the upper end surface of the lower seat body. The burner cap assembly includes a first burner cap installed above the first gas groove. The first gas groove is connected to the first ejector tube through the first connection port, and the flow dividing plate is located above the first connection port to guide gas to enter the first gas groove from both sides above the first connection port. The problems are: the structure is complex, and two ejector tubes and two air inlet channels need to be provided. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a burner for a single-ejector tube double-ring fire cooking stove, which has the characteristics of simple structure and only needs to set one ejector tube, an air inlet seat and an air outlet seat.

[0004] The utility model is realized as follows: A burner for a single-ejector tube double-ring fire cooking stove is characterized in that it includes a stove head, a fire divider seat, an inner burner cap, an outer burner cap, an ignition needle and an induction needle.

[0005] The stove head includes a circular plate body, a radial plate, an air inlet seat, an air outlet seat and a nozzle arranged on the air outlet seat. Ignition fixing holes and induction fixing holes are arranged on the circular plate body. The air outlet seat and the air inlet seat are respectively arranged on the upper surface and the lower surface of the radial plate and are in a straight line.

[0006] The fire divider seat includes a circular seat plate, a central burner cap seat with an upper opening, four axial secondary air holes surrounding the central burner cap seat, an outer ring gas groove, an ejector tube, a premixing chamber and a diversion channel. The ejector tube, the premixing chamber and the outer ring gas groove are communicated in sequence. The diversion channel is communicated with the central burner cap seat and the outer ring gas groove. Support blocks are respectively arranged on the ejector tube and the premixing chamber.

[0007] The air outlet seat supports the circular seat plate. The support blocks are in supporting cooperation with the circular plate body. The nozzle is opposite to the ejector tube. The ignition needle and the induction needle are respectively fixed to the ignition fixing hole and the induction fixing hole. The ignition needle passes through an axial secondary air channel, and the induction needle passes through an axial secondary air channel.

[0008] The single-injection-tube double-ring flame cooker burner described above is characterized in that: the injection tube is arranged along the Y-axis direction, and the shunt channel is arranged on the positive side of the X-axis. The axial secondary air channels are respectively arranged in the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant;

[0009] The ignition needle and the induction needle respectively pass through the axial secondary air channels in the second quadrant and the third quadrant.

[0010] The single-injection-tube double-ring flame cooker burner described above is characterized in that: a support and limit seat is arranged on the left side of the circular plate body, and two limit plates are arranged on the right side;

[0011] A support plate is arranged on the negative side of the X-axis of the circular seat plate;

[0012] The support and limit seat supports the support plate and is attached to one side of the injection tube, and the shunt channel is embedded between the two limit plates.

[0013] The single-injection-tube double-ring flame cooker burner described above is characterized in that: the support and limit seat includes an arc-shaped plate portion and an outer radial plate portion;

[0014] The outer radial plate portion supports the support plate, and both ends of the arc-shaped plate portion are attached to the injection tube.

[0015] The single-injection-tube double-ring flame cooker burner described above is characterized in that: a head is arranged on the circular seat plate, and the head intersects with the air outlet seat, and the head supports the support block.

[0016] The single-injection-tube double-ring flame cooker burner described above is characterized in that: the injection tube, the premixing chamber, and the shunt channel are arranged on the lower surface of the circular seat plate, and the fire divider seat is integrally formed.

[0017] The single-injection-tube double-ring flame cooker burner described above is characterized in that: the premixing chamber is arc-shaped, an angular shunt block is arranged on the radial outer side wall plate of the premixing chamber, and the corners of the angular shunt block and the connection part with the radial outer side wall plate are rounded.

[0018] For the single-injection-tube double-ring flame cooker burner of the present utility model, only one air inlet seat and one air outlet seat need to be arranged on the furnace head, and only one injection tube is arranged on the fire divider seat. The structure is simple and the manufacturing is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the top view of the present utility model.

[0020] Figure 2 is Figure 1 the A-A view of

[0021] Figure 3 is Figure 1The B-B view.

[0022] Figure 4 is the perspective view of the present utility model.

[0023] Figure 5 is one of the exploded perspective views of the present utility model.

[0024] Figure 6 is the second exploded perspective view of the present utility model. Detailed implementation manners

[0025] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which 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 by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] As Figure 1 , Figure 2 , Figure 3 shown, a single injection tube 25 double-ring fire cooker burner includes a furnace head 1, a divider seat 2, an inner fire cap (not shown in the figure), an outer ring fire cap, an ignition needle 3 and an induction needle 4.

[0028] The furnace head 1 includes a circular plate body 11, a radial plate 12, an air inlet seat 131, an air outlet seat 132 and a nozzle 14 provided on the air outlet seat 132. Ignition fixing holes and induction fixing holes are provided on the circular plate body 11. The air outlet seat 132 and the air inlet seat 131 are respectively provided on the upper surface and the lower surface of the radial plate 12 and are in a straight line. An air inlet interface is provided on the air inlet seat 131, and a nozzle mounting hole with an axis parallel to the horizontal plane is provided on the air outlet seat 132. The nozzle 14 is screwed with the nozzle mounting hole.

[0029] The burner base 2 includes a circular base plate 21, a central burner cap base 22 with an upper opening, four axial secondary air holes 23 surrounding the central burner cap base 22, an outer ring gas groove 24, an ejector tube 25, a premixing chamber 26, and a diversion channel 27. The ejector tube 25, the premixing chamber 26, and the outer ring gas groove 24 are connected in sequence. The diversion channel 27 is connected to the central burner cap base 22 and the outer ring gas groove 24. Support blocks 28 are respectively provided on the ejector tube 25 and the premixing chamber 26. The central burner cap base 22 and the outer ring gas groove 24 are arranged on the upper surface of the circular base plate 21, and the ejector tube, the premixing chamber, and the diversion channel are arranged on the lower surface of the circular base plate 21.

[0030] The gas outlet base 132 supports the circular base plate 21. The support block 28 is in supporting cooperation with the circular plate body 11. The nozzle 14 is opposite to the ejector tube 25. The ignition needle 3 and the induction needle 4 are respectively fixed to the ignition fixing hole and the induction fixing hole. The ignition needle 3 passes through an axial secondary air channel 23, and the induction needle 4 passes through an axial secondary air channel 23.

[0031] The ejector tube 25, the premixing chamber 26, and the diversion channel 27 are arranged on the lower surface of the circular base plate 21, and the burner base 2 is integrally formed.

[0032] As a further improvement of the present utility model: The premixing chamber 26 is arc-shaped, and its volume gradually increases from bottom to top. An angular diversion block 261 is provided on the radially outer side wall plate of the premixing chamber 26. The corners of the angular diversion block 261 and the connection with the radially outer side wall plate are rounded. The corners of the angular diversion block are opposite to the ejector tube to prevent the generation of eddy currents. The gas flows smoothly in both clockwise and counterclockwise directions.

[0033] As a further improvement of the present utility model: The ejector tube 25 is along the Y-axis direction, and the diversion channel 27 is arranged on the positive side of the X-axis. The axial secondary air channels 23 are respectively arranged in the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant.

[0034] The ignition needle 3 and the induction needle 4 respectively pass through the axial secondary air channels 233 in the second quadrant and the third quadrant.

[0035] As a further improvement of the present utility model: A support and limit seat 15 is provided on the left side of the circular plate body 11, and two limit plates 16 are provided on the right side.

[0036] A support plate 29 is provided on the negative X-axis side of the circular base plate 21.

[0037] The support and limit seat 15 supports the support plate 29 and is in contact with one side of the ejector tube 25. The diversion channel 27 is embedded between the two limit plates 16. With such a structure, the burner base 2 is prevented from rotating relative to the stove head.

[0038] The support and limit seat 15 includes an arc-shaped plate portion 151 and an outer radial plate portion 152.

[0039] The outer radial plate portion 152 supports the frame plate 29, and both ends of the arc-shaped plate portion 151 are in contact with the ejector tube 25.

[0040] As a further improvement of the present invention: the circular seat plate 21 is provided with a head 211, and the head 211 intersects with the air outlet seat 132, and the head 211 supports the support block 28;

[0041] During use, the head and the air outlet seat pass through the through hole on the liquid receiving tray, and the circular seat plate 21 and the radial plate 22 support the liquid receiving tray.

[0042] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A single-ejector double-ring fire stove burner, characterized in that: It includes a burner head, a fire distributor seat, an inner fire cover, an outer ring fire cover, an ignition needle and an induction needle. The burner head comprises a circular plate body, a radial plate, an air inlet seat, an air outlet seat and a nozzle arranged on the air outlet seat, the circular plate body is provided with an ignition fixing hole and an induction fixing hole, the air outlet seat and the air inlet seat are respectively arranged on the upper surface and the lower surface of the radial plate and are in a straight line; The ignition distributor seat comprises a circular seat plate, a central fire cover seat with an upper opening, four axial secondary air holes surrounding the central fire cover seat, an outer ring gas groove, an ejector pipe, a premixing chamber and a flow distribution channel. The ejector pipe, the premixing chamber and the outer ring gas groove are connected in sequence. The flow distribution channel is connected with the central fire cover seat and the outer ring gas groove. Support blocks are respectively provided on the ejector pipe and the premixing chamber. The air outlet seat supports the circular seat plate, the support block cooperates with the circular plate body support, the nozzle is opposite to the ejector tube, the ignition needle and the induction needle are respectively fixed to the ignition fixing hole and the induction fixing hole, the ignition needle passes through an axial secondary air channel, and the induction needle passes through an axial secondary air channel.

2. The single-ejector-tube double-ring-fire stove burner according to claim 1, characterized in that: The ejector tube is arranged along the Y-axis direction, the flow diversion channel is arranged on the positive direction side of the X-axis, and the axial secondary air channels are arranged in the first quadrant, the second quadrant, the third quadrant and the fourth quadrant respectively; The ignition needle and the induction needle pass through the axial secondary air passages of the second quadrant and the third quadrant respectively.

3. The single-ejector-tube double-ring-fire stove burner according to claim 2, characterized in that: The left side of the circular plate body is provided with a support limit seat, and the right side is provided with two limit plates; A frame plate is provided on the negative X-axis side of the circular seat plate; The support frame plate of the limit seat is in contact with one side of the ejector tube, and the diversion channel is embedded between the two limit plates.

4. The single-ejector-tube double-ring-fire stove burner according to claim 3, characterized in that: The support and limit seat comprises an arc-shaped plate portion and an outer radial plate portion; The outer radial plate portion supports the frame plate, and two ends of the arc-shaped plate portion are in contact with the ejector tube.

5. The single-ejector-tube double-ring-fire stove burner according to claim 1, characterized in that: The circular seat plate is provided with a head which intersects with the air outlet seat, and the head supports the support block.

6. The single-ejector double-ring stove burner according to claim 1, characterized in that: The ejector tube, the premixing chamber and the flow distribution channel are arranged on the lower surface of the circular seat plate, and the ignition source seat is formed in one step.

7. A single-ejector-tube double-ring-fire stove burner according to claim 1, 2, 3, 4, 5 or 6, characterized in that: The premixing chamber is in an arc shape, and an angular flow divider block is arranged on the radial outer wall plate of the premixing chamber. The corners of the angular flow divider block and the connection with the radial outer wall plate are rounded.

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