Upper air inlet stove burner

Abstract

An upper air inlet stove burner comprises a cup body, an air inlet seat, a fire cover seat, a central fire cover, an outer ring fire cover, a left air inlet pipe, a right air inlet pipe, an ignition needle and an induction needle, and the cup body is further provided with an annular premixing cavity; an inner ring wall plate of the annular premixing cavity extends upwards, an outer ring wall plate of the annular premixing cavity is provided with an inner connector and an axial positioning groove, the fire cover seat further comprises a cylindrical sleeve, the cylindrical sleeve is connected with the outer ring gas groove through radial ribs, and a positioning plate is arranged at the lower end of an outer connector of the cylindrical sleeve; the central fire cover comprises a hollow cover body part with a lower opening, a hollow central pipe with a lower opening and a combustion hole formed in the cover body part; the outer ring premixing cavity is in butt joint with the air inlet cavity, an inner ring wall plate of the circular ring premixing cavity extends into the cylindrical sleeve, the outer connector is inserted into the inner connector, and the positioning plate is inserted into the axial positioning groove. The cover body part is buckled with the cylindrical sleeve, and the central pipe is connected with an axis hole of the inner ring wall plate in an inserted mode. The burner cap seat and the cup body are convenient to disassemble and assemble, screw fixation is not needed, and the burner cap seat can be effectively prevented from moving relative to the cup body.

Description

Technical Field

[0001] The utility model relates to a burner for a stove with upper air inlet. Background Art

[0002] The current existing technology, Chinese patent 202120510003.5, a top air intake household stove burner, includes a cup body, an air intake seat, a fire cover seat, a center fire cover, an outer ring fire cover, a left air intake pipe, a right air intake pipe, an ignition needle and a sensing needle, the cup body includes a seat plate, a center fire cover seat penetrating the seat plate, a center fire air intake pipe communicating with the lower end of the center fire cover seat, an outer ring premixing chamber provided on the lower surface of the rear part of the seat plate and passing through the seat plate, a left outer ring air intake pipe, a right outer ring The air intake pipe, the primary air intake cavity provided at the front of the seat plate, the ignition needle fixing hole and the induction needle fixing hole; the air intake seat includes a central air intake interface, a central air outlet seat in the central air intake interface, a transverse outer ring air intake pipe, a left air outlet seat, a right air outlet seat and an outer ring air intake interface, and nozzles are respectively provided on the central air outlet seat, the left air outlet seat and the right air outlet seat; the fire cover seat includes an outer ring gas groove; the fire cover seat is connected with the outer ring premixing cavity; the lower opening of the air intake cavity is connected with the outer ring premixing cavity. The problem is that the fire cover seat and the cup body need to be fixed with screws, which is inconvenient to disassemble. Utility Model Content

[0003] The utility model aims to provide a top air inlet stove burner, which has the characteristics of convenient disassembly and assembly of a fire cover seat and a cup body.

[0004] The utility model is implemented as follows: a top air intake stove burner comprises a cup body, an air intake seat, a fire cover seat, a center fire cover, an outer ring fire cover, a left air intake pipe, a right air intake pipe, an ignition needle and a sensing needle; the cup body comprises a seat plate, a center fire air intake pipe, an outer ring premixing chamber, a left outer ring air intake pipe, a right outer ring air intake pipe, a primary air intake chamber, an ignition needle fixing hole and a sensing needle fixing hole; the center fire air intake pipe, the left outer ring air intake pipe and the right outer ring air intake pipe are respectively provided with a primary air hole; the air intake seat comprises a center air intake interface, and The central air inlet interface is connected to the central air outlet seat, the horizontal outer ring air inlet pipe, the left air outlet seat, the right air outlet seat and the outer ring air inlet interface, and the central air outlet seat, the left air outlet seat and the right air outlet seat are respectively provided with nozzles; the fire cover seat includes an outer ring gas groove and a lower opening air inlet cavity connected to the outer ring gas groove, and its special features are: the cup body is also provided with a circular premixing cavity, and the circular premixing cavity is connected to the central fire air inlet pipe; the inner ring wall plate of the circular premixing cavity extends upward, and the outer ring wall plate is provided with an inner interface and an axial positioning groove,

[0005] The fire cover seat also includes a cylindrical sleeve with upper and lower openings, the cylindrical sleeve is connected to the outer ring gas groove through radial ribs, the lower end of the cylindrical sleeve is provided with an external interface, and the lower end of the external interface is provided with a positioning plate;

[0006] The central fire cover comprises a cover body with a hollow bottom opening, a central tube with a hollow bottom opening, and a combustion hole arranged in the cover body;

[0007] The outer ring premixing chamber is butted against the air inlet chamber, the inner ring wall plate of the annular premixing chamber extends into the cylindrical sleeve, the outer interface is inserted into the inner interface, and the positioning plate is inserted into the axial positioning groove; the cover body is buckled with the cylindrical sleeve, and the center tube is plugged into the axial hole of the inner ring wall plate.

[0008] The above-mentioned upper air inlet stove burner is special in that: the center fire air inlet pipe is provided with an internal thread;

[0009] Also includes a center adjustment tube with external threads and a spring.

[0010] The central regulating tube is screwed with the internal thread and the air inlet end is located in the central fire air inlet pipe. The central regulating tube at one end of the spring cooperates with the central air outlet seat at the other end.

[0011] The special feature of the upper air inlet stove burner is that a blocking plate is arranged in the axial hole of the inner ring wall plate of the annular premixing chamber.

[0012] The above-mentioned upper air inlet stove burner is special in that: the central fire cover also includes a discharge protrusion arranged on the top and extending radially and a flow blocking and diverting protrusion arranged on the top plate.

[0013] The end of the discharge protrusion cooperates with the ignition needle, and there is a gap between the end of the discharge protrusion and the ignition needle in the horizontal plane.

[0014] The special feature of the upper air inlet stove burner is that the discharge protrusion is triangular in shape and the top corners are rounded.

[0015] The utility model provides a burner for a stove with upper air inlet, wherein a fire cover seat and a cup body are convenient to assemble and disassemble, no screws are required for fixing, and the fire cover seat can be effectively prevented from moving relative to the cup body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model.

[0017] Figure 2 yes Figure 1 A-A view of.

[0018] Figure 3 yes Figure 1 B-B view.

[0019] Figure 4 yes Figure 3 C-C view of the .

[0020] Figure 5 It is one of the three-dimensional exploded views of the utility model.

[0021] Figure 6This is the second three-dimensional exploded view of the present utility model.

[0022] Figure 7 This is the third three-dimensional exploded view of the present utility model.

[0023] Figure 8 It is a stereogram of the utility model. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments 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 As shown, a top air intake stove burner includes a cup body 1, an air intake seat 2, a fire cover seat 3, a center fire cover 4, an outer ring fire cover 5, a left air intake pipe 61, a right air intake pipe 62, an ignition needle 71 and a sensing needle 72. The cup body 1 includes a seat plate 11, a center fire air intake pipe 12, an outer ring premixing chamber 13, a left outer ring air intake pipe 141, a right outer ring air intake pipe 142, a primary air intake chamber 15, an ignition needle fixing hole (not marked) and a sensing needle fixing hole. The center fire air intake pipe 12, the left outer ring air intake pipe 141 and the right outer ring air intake pipe 142 are respectively provided with a primary air hole, and are opposite to the nozzle on the air intake seat. The left air intake pipe 61 and the right air intake pipe 62 are respectively arranged on the left outer ring air inlet pipe 141 and the right outer ring air inlet pipe 142 and fixed; the air inlet seat 2 includes a central air inlet interface 21, a central air outlet seat 22 connected to the central air inlet interface, a transverse outer ring air inlet pipe, a left air outlet seat, a right air outlet seat and an outer ring air inlet interface, and nozzles are respectively provided on the central air outlet seat, the left air outlet seat and the right air outlet seat; the fire cover seat 3 includes an outer ring gas groove 31 and an air inlet cavity 32 with a lower opening connected to the outer ring gas groove 31. The utility model is an improvement on the basis of Chinese patent 202120510003.5, a top air inlet household stove burner. In this embodiment, only the improved parts are described in detail.

[0027] The cup body 1 is also provided with an upper-opening annular premixing chamber 16, which is in communication with the center fire air intake pipe 12; the inner ring wall plate of the annular premixing chamber 16 extends upward, the inner ring wall plate is hollow and provided with an axial hole 161 along the axis, and the outer ring wall plate is provided with an inner interface 162 and an axial positioning groove 163, two axial positioning grooves 163 are provided and are on a diameter line, and the inner interface 162 and the axial positioning groove 163 are arranged from top to bottom;

[0028] The fire cover seat 3 also includes a cylindrical sleeve 33 with upper and lower openings, the cylindrical sleeve 33 is connected to the outer ring gas groove 31 through radial ribs 34, the lower end of the cylindrical sleeve 33 is provided with an external interface 331, the lower end of the external interface is provided with a positioning plate 332, and two positioning plates 332 are provided and are on a diameter line;

[0029] The central fire cover 4 comprises a cover body 41 with a hollow bottom opening, a central tube 42 with a hollow bottom opening, and a combustion hole 43 provided in the cover body;

[0030] The outer ring premixing chamber 13 is butted with the air inlet chamber 32, the inner ring wall plate of the annular premixing chamber 16 extends into the cylindrical sleeve 33, the outer interface 331 is inserted into the inner interface 162, and the positioning plate 332 is inserted into the axial positioning groove 163; the cover body 41 is buckled with the cylindrical sleeve, and the center tube 42 is plugged into the axial hole of the inner ring wall plate. With such a structure, disassembly and assembly are convenient, and during assembly, the outer ring premixing chamber 13 and the air inlet chamber 32 are directly butted, and the fire cover seat 3 can be prevented from rotating relative to the cup body 2.

[0031] As a further improvement of the utility model: the center fire air intake pipe 12 is provided with an internal thread;

[0032] It also includes a central adjustment tube 63 with external threads and a spring 8,

[0033] The center regulating tube 63 is screwed with the internal thread and the air inlet end is located in the center fire air inlet pipe 12. The center regulating tube 63 cooperates with one end of the spring 8 and cooperates with the center air outlet seat 22 at the other end. A head is provided on the center air outlet seat, and the head is inserted into the spring 8. One is to prevent the spring from shaking, and the other is to prevent the center regulating tube 63 from loosening.

[0034] As a further improvement of the utility model: a blocking plate 164 is provided in the axial hole 161 of the inner ring wall plate of the annular premixing chamber 16. In other words, a blocking plate 164 is provided in the upper part of the axial hole 161 of the annular premixing chamber 16. With or without a blocking plate, it can adapt to the central fire cover 4 of different structures.

[0035] As a further improvement of the utility model: the central fire cover 4 further comprises a discharge protrusion 44 arranged on the top and extending radially and a flow blocking and diverting protrusion 45 arranged on the top plate.

[0036] The end of the discharge protrusion 44 cooperates with the ignition needle 71, and there is a gap between the end of the discharge protrusion 44 and the ignition needle 71 on the horizontal plane, such as Figure 1 As shown. Figure 8 As shown, when viewed along the negative direction of the Z axis, there is a gap between the end of the discharge protrusion 44 and the ignition needle 71 on the XY plane. The setting of the flow blocking and diverting protrusion 45 prevents the liquid falling on the top of the center fire cover 4 from blocking the combustion hole below the discharge protrusion when flowing, so as to achieve accurate ignition; it also prevents the liquid from flowing onto the discharge protrusion 44.

[0037] As a further improvement of the present invention: the discharge protrusion 44 is triangular in shape and has rounded corners.

[0038] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 top air intake stove burner, comprising a cup body, an air intake seat, a fire cover seat, a center fire cover, an outer ring fire cover, a left air intake pipe, a right air intake pipe, an ignition needle and an induction needle, the cup body comprising a seat plate, a center fire air intake pipe, an outer ring premixing chamber, a left outer ring air intake pipe, a right outer ring air intake pipe, a primary air intake chamber, an ignition needle fixing hole and an induction needle fixing hole; the center fire air intake pipe, the left outer ring air intake pipe and the right outer ring air intake pipe are respectively provided with a primary air hole; the air intake seat comprises a center air intake interface, a center air outlet seat connected to the center air intake interface, a transverse outer ring air intake pipe, a left air outlet seat, a right air outlet seat and an outer ring air intake interface, and nozzles are respectively provided on the center air outlet seat, the left air outlet seat and the right air outlet seat; the fire cover seat comprises an air intake chamber with a lower opening connected to the outer ring gas groove, characterized in that: The cup body is also provided with an annular premixing chamber, which is connected to the center fire air intake pipe; the inner ring wall plate of the annular premixing chamber extends upward, and the outer ring wall plate is provided with an inner interface and an axial positioning groove. The fire cover seat also includes a cylindrical sleeve with upper and lower openings, the cylindrical sleeve is connected to the outer ring gas groove through radial ribs, the lower end of the cylindrical sleeve is provided with an external interface, and the lower end of the external interface is provided with a positioning plate; The central fire cover comprises a cover body with a hollow bottom opening, a central tube with a hollow bottom opening, and a combustion hole arranged in the cover body; The outer ring premixing chamber is butted against the air inlet chamber, the inner ring wall plate of the annular premixing chamber extends into the cylindrical sleeve, the outer interface is inserted into the inner interface, and the positioning plate is inserted into the axial positioning groove; the cover body is buckled with the cylindrical sleeve, and the center tube is plugged into the axial hole of the inner ring wall plate.

2. The top-inlet stove burner according to claim 1, characterized in that: The center fire air intake pipe is provided with an internal thread; Also includes a center adjustment tube with external threads and a spring. The central regulating tube is screwed with the internal thread and the air inlet end is located in the central fire air inlet pipe. The central regulating tube at one end of the spring cooperates with the central air outlet seat at the other end.

3. The top-inlet stove burner according to claim 1, characterized in that: A sealing plate is arranged in the axial hole of the inner ring wall plate of the annular premixing chamber.

4. The top-inlet stove burner according to claim 1, characterized in that: The central fire cover also includes a discharge protrusion arranged on the top and extending radially and a flow blocking and diverting protrusion arranged on the top plate. The end of the discharge protrusion cooperates with the ignition needle, and there is a distance between the end of the discharge protrusion and the ignition needle on a horizontal plane.

5. The top-inlet stove burner according to claim 4, characterized in that: The discharge protrusion is triangular in shape and has rounded corners at its top.

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