Layered central fire cover and central layered burner

Abstract

The utility model relates to a layered central fire cover and a central layered burner, the layered central fire cover comprises a top fire cover and a bottom fire cover, and the top fire cover comprises a top combustion hole, a counter bore, an annular edge plate and an inverted cone frustum-shaped surface; the bottom fire cover comprises a center cover piece and an outer ring cover piece, the center cover piece comprises a center air inlet connector, a top ring-shaped cover plate and a plurality of teeth, and the outer ring cover piece comprises a cylinder part and an inverted cone frustum-shaped plate part with an upper opening and a lower opening; the central air inlet connector is inserted into the cylinder part, the lower portions of the teeth are connected with the inverted-cone-frustum-shaped plate part, a layer air guide hole is formed by the top annular cover plate between every two adjacent teeth and the cylinder part, and a layer air inlet cavity is formed by the central air inlet connector and the cylinder part. And the top inverted-cone-frustum-shaped surface and the inverted-cone-frustum-shaped plate part form an annular layer combustion groove and are communicated with the layer air inlet cavity through layer air guide holes. The top fire cover is provided with a center ring fire, fire power of an annular layer combustion groove formed by the top fire cover and the bottom fire cover is large, the area of covering the pot bottom is large due to the fact that layer fire of the center ring fire and layer fire of the annular layer combustion groove are vertically arranged, and fire power is strong.

Description

Technical Field

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

[0002] The current existing technology, Chinese Patent 202220632864.5, is a burner for a gas stove. By sequentially arranging an inner fire ring, a stir-fry fire ring, and an outer fire ring from the inside out, the flames are distributed into a center fire, a one-touch stir-fry fire, and an outer ring fire. Because each combustion flame has a separate ignition system, premixing system, and combustion system, there is no overlap or intersection between the flames of the rings. Its simple structure can effectively improve the burner's combustion stability when the firepower of the stir-fry stove is instantly increased. Problems exist: The one-touch stir-fry fire is far from the center fire, and the one-touch stir-fry fire is far from the center of the pot bottom, resulting in uneven heating at the bottom of the pot. Utility Model Content

[0003] The purpose of the utility model is to provide a layered central fire cover, which has the characteristics of uniform fire power and large area at the bottom of the pot.

[0004] The utility model is realized as follows: a layered center fire cover, which is special in that it includes a top fire cover and a bottom fire cover,

[0005] The top fire cover is hollow with a lower opening and includes a top combustion hole, a countersunk hole, an annular edge plate and an inverted frustum-shaped surface arranged on a circumferential wall plate;

[0006] The primer cover includes a center cover and an outer ring cover. The center cover includes a center air inlet interface, a top annular cover plate, and a plurality of teeth provided radially outwardly on the lower surface of the top annular cover plate. The outer ring cover includes a barrel portion and an inverted frustum-shaped plate portion with upper and lower openings. The center air inlet interface is inserted into the barrel portion and connected to the lower inverted frustum-shaped plate portion of the teeth. The top annular cover plate and the barrel portion between two adjacent teeth form a layer air guide hole, and the center air inlet interface and the barrel portion form a layer air inlet cavity.

[0007] The top annular cover plate is inserted into the countersunk hole, and the inverted frustum-shaped surface and the inverted frustum-shaped plate portion form an annular layer combustion groove and are connected with the layer air inlet cavity through the layer air guide hole.

[0008] The special feature of the layered center fire cover is that a fixing column seat is provided inside the top fire cover, and a screw hole is provided on the fixing column seat;

[0009] The top of the central air inlet interface is provided with a plurality of radial plates intersecting on the axis of the central air inlet interface, and a connection hole is provided at the intersection of the radial plates;

[0010] The screw passes through the connecting hole and is screwed into the screw hole, and the intersection of the fixing column seat and the radial plate is fitted.

[0011] The special feature of the layered center fire cover is that the teeth on the center cover extend into the lower opening of the inverted frustum-shaped plate portion and are fixed.

[0012] The special feature of the layered center fire cover is that the bottom fire cover is integrally formed.

[0013] The special feature of the layered center fire cover is that the diameter of the cylindrical portion is larger than the diameter of the lower opening of the inverted frustum-shaped plate portion.

[0014] The special feature of the layered center fire cover is that: an annular groove is provided on the top fire cover, a wall plate in the annular groove is in the shape of a truncated cone, and the top combustion holes include a large circular combustion hole group and a small circular combustion hole group;

[0015] A large circular combustion hole group and a small circular combustion hole group are arranged on the wall plate of the annular groove from top to bottom, and the axes of the large circular combustion holes in the large circular combustion hole group and the axes of the small circular combustion holes in the small circular combustion hole group have acute angles with the radial outer plane.

[0016] A central layered burner, which is special in that it includes a burner head, a fire distributor seat, an outer ring fire cover and the layered central fire cover as described above,

[0017] The burner head includes a base plate, a central air outlet pipe, a central ejector pipe, a cup body surrounding the central air outlet pipe, a layer air inlet pipe, an outer ring air outlet pipe and an outer ring ejector pipe. The central air outlet pipe extends out of the cup body. The gap between the cup body and the central air outlet pipe forms a layer gas cavity. The layer air inlet pipe is connected to the layer gas cavity.

[0018] The ignition distributor seat includes an outer ring gas groove, an air inlet interface pipe, a cylindrical cover seat and radial ribs, and the lower end of the cylindrical cover seat is provided with an inner interface;

[0019] The outer ring air outlet pipe is inserted into the inner interface of the air inlet interface pipe, the upper end of the cup body is inserted into the countersunk hole at the lower end of the cylindrical cover seat, the central air outlet pipe is inserted into the central air inlet interface of the central cover, and the outer interface of the cylindrical cover seat is inserted into the cylindrical body of the outer ring cover.

[0020] The central layered burner is special in that the burner head further comprises a layered flow chamber provided between the cup body and the outer ring air outlet pipe, and the layered flow chamber is connected to the cup body and the layered air inlet pipe.

[0021] The central layered burner is special in that: a boss is provided on the base plate, and the cup body and the outer ring air outlet pipe intersect with the boss.

[0022] The utility model relates to a central layered burner. The top fire cover is provided with a central ring fire. The top fire cover and the bottom fire cover form an annular layer combustion groove with high firepower. The layer fires of the central ring fire and the annular layer combustion groove are arranged up and down to cover a large pot bottom area and have strong firepower. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a cross-sectional view of the present utility model.

[0024] Figure 2 yes Figure 1 A-A view.

[0025] Figure 3 This is one of the three-dimensional exploded views of the present invention.

[0026] Figure 4 This is the second three-dimensional exploded view of the present invention.

[0027] Figure 5 It is a cross-sectional view of the second embodiment of the present invention.

[0028] Figure 6 yes Figure 5 B-B view.

[0029] Figure 7 yes Figure 5 C-C view of .

[0030] Figure 8 It is a perspective view of the second embodiment of the present utility model.

[0031] Figure 9 This is one of the three-dimensional exploded views of the second embodiment of the present invention.

[0032] Figure 10 This is the second exploded perspective view of the second embodiment of the present invention. DETAILED DESCRIPTION

[0033] The following describes embodiments of the present invention in detail. 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 intended only to explain the present invention and are not to be construed as limiting the present invention.

[0034] 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.

[0035] Example 1

[0036] like Figure 1 As shown, a layered center fire cover, a separate center fire cover 1 includes a top fire cover 2 and a bottom fire cover 3,

[0037] The top fire cover 2 is hollow with a lower opening, and includes a top combustion hole, a countersunk hole 21, an annular edge plate 22 and an inverted frustum-shaped surface 23 provided on the circumferential wall plate;

[0038] The primer cover 3 includes a central cover 31 and an outer ring cover 32. The central cover 31 includes a central air inlet port 311, a top annular cover plate 312, and a plurality of teeth 313 provided on the radially outer side of the lower surface of the top annular cover plate.

[0039] The outer ring cover 32 includes a cylindrical portion 321 and an inverted frustum-shaped plate portion 322 with upper and lower openings. The central air inlet port 311 is inserted into the cylindrical portion 321, and the lower portion of the teeth 313 is connected to the inverted frustum-shaped plate portion 322. The top annular cover plate 312 and the cylindrical portion 321 between two adjacent teeth 313 form a layer air guide hole, and the central air inlet port 311 and the cylindrical portion 321 form a layer air inlet cavity 33.

[0040] The top annular cover plate 312 is inserted into the countersunk hole 21 , and the inverted frustum-shaped surface 23 and the inverted frustum-shaped plate portion 322 form an annular layer combustion groove 34 and are connected to the layer air inlet cavity 33 through the layer air guide hole.

[0041] As a further improvement of the present invention: a fixing column seat 24 is provided in the top fire cover 2, and a screw hole is provided on the fixing column seat 24;

[0042] The top of the central air inlet interface 311 is provided with a plurality of radial plates 3111 intersecting on the axis of the central air inlet interface 311 , and connection holes are provided at the intersections of the radial plates 3111 ;

[0043] The screw passes through the connecting hole and is screwed into the screw hole, and the intersection of the fixing column seat 24 and the radial plate 3111 is in contact. The intersection of the radial plate 3111 is circular.

[0044] As a further improvement of the present invention, the teeth 313 on the central cover 31 extend into and are fixed in the lower opening of the inverted truncated cone shaped plate portion 322. The lower end of the teeth 313 is flush with the lower end of the inverted truncated cone shaped plate portion 322.

[0045] The primer cover 3 is made in one piece.

[0046] The diameter of the cylindrical portion 321 is larger than the diameter of the lower opening of the inverted frustum-shaped plate portion 322 .

[0047] As a further improvement of the present invention: an annular groove 25 is provided on the top fire cover 2, and the outer surface of the wall plate of the top fire cover 2 in the annular groove 25 is in a truncated cone shape, and the top combustion holes include a large circular combustion hole group 261 and a small circular combustion hole group 262;

[0048] A large circular combustion hole group 261 and a small circular combustion hole group 262 are arranged on the wall plate of the annular groove 25 from top to bottom. The axes of the large circular combustion holes in the large circular combustion hole group 261 and the axes of the small circular combustion holes in the small circular combustion hole group 262 have an acute angle with the radial outer plane.

[0049] Example 2

[0050] like Figure 5 、 Figure 6 As shown, a central layered burner includes a burner head 4, a fire distributor seat 5, an outer ring fire cover 6 and the above-mentioned divided center fire cover 1.

[0051] The burner 4 includes a base plate 41, a central air outlet pipe 42, a central ejector pipe 43, a cup body 44 surrounding the central air outlet pipe 42, a layer air inlet pipe 45, an outer ring air outlet pipe 46, and an outer ring ejector pipe 47. The central air outlet pipe 42 extends out of the cup body 44. The gap between the cup body 44 and the central air outlet pipe 42 constitutes a layer gas cavity. The layer air inlet pipe 45 is connected to the layer gas cavity, that is, the layer air inlet pipe 45 and the cup body 44 are connected. The base plate 41 intersects with the cup body 44 and the outer ring air outlet pipe 46. In other words, the cup body 44 and the outer ring air outlet pipe 46 pass through the base plate 41.

[0052] The ignition distributor seat 5 includes an outer ring gas groove 51, an air inlet interface pipe 52, a cylindrical cover seat 53 and radial ribs 54. The lower end of the cylindrical cover seat 53 is provided with an inner interface, and the air inlet interface pipe 52 is connected to the outer ring gas groove 51. The radial ribs 54 are evenly distributed around the circumference and connected to the outer ring gas groove 51 and the cylindrical cover seat 53.

[0053] The outer ring air outlet pipe 46 is inserted into the inner interface of the air inlet interface pipe 52, the upper end of the cup body 44 is inserted into the countersunk hole at the lower end of the cylindrical cover seat 53, the central air outlet pipe 42 is inserted into the central air inlet interface 311 of the central cover 31, and the outer interface of the cylindrical cover seat 53 is inserted into the cylindrical body 321 of the outer ring cover 32;

[0054] The layer fire can be used together with the center fire and outer ring fire to achieve power regulation; stir-fry control can also be used.

[0055] As a further improvement of the present invention, the burner head 4 further includes a layer stabilizing flow cavity 48 provided between the cup body 44 and the outer ring air outlet pipe 46 , and the layer stabilizing flow cavity 48 is communicated with the cup body 44 and the layer air inlet pipe 45 .

[0056] The seat plate 41 is provided with a boss 49, and the cup body 44 and the outer ring air outlet pipe 46 intersect with the boss 49. The seat plate 41 is used to be fixed to the liquid receiving tray or the stove panel and to cooperate with the support, and the boss 49 is embedded in the mounting hole on the liquid receiving tray or the stove panel and extends out.

[0057] 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 purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A layered center fire cover, characterized by: Including top fire cover and bottom fire cover, The top fire cover is hollow with a lower opening and includes a top combustion hole, a countersunk hole, an annular edge plate and an inverted frustum-shaped surface arranged on a circumferential wall plate; The primer cover comprises a central cover member and an outer ring cover member. The central cover member comprises a central air inlet interface, a top annular cover plate, and a plurality of teeth provided radially outwardly on the lower surface of the top annular cover plate. The outer ring cover member comprises a cylindrical portion and an inverted frustum-shaped plate portion with upper and lower openings. The central air inlet interface is inserted into the cylindrical portion, and the lower portions of the teeth are connected to the inverted frustum-shaped plate portion. The top annular cover plate and the cylindrical portion between two adjacent teeth form a layer air guide hole, and the central air inlet interface and the cylindrical portion form a layer air inlet cavity. The top annular cover plate is inserted into the countersunk hole, and the inverted frustum-shaped surface and the inverted frustum-shaped plate portion form an annular layer combustion groove and are connected with the layer air inlet cavity through the layer air guide hole.

2. The layered center fire cover according to claim 1, characterized in that: A fixing column seat is provided in the top fire cover, and a screw hole is provided on the fixing column seat; The top of the central air inlet interface is provided with a plurality of radial plates intersecting on the axis of the central air inlet interface, and a connection hole is provided at the intersection of the radial plates; The screw passes through the connecting hole and is screwed into the screw hole, and the intersection of the fixing column seat and the radial plate is fitted.

3. The layered center fire cover according to claim 1, characterized in that: The teeth on the central cover extend into the lower opening of the inverted frustum-shaped plate portion and are fixed.

4. The layered center fire cover according to claim 1, characterized in that: The primer cover is integrally formed.

5. The layered center fire cover according to claim 1, characterized in that: The diameter of the cylindrical portion is larger than the diameter of the lower opening of the inverted frustum-shaped plate portion.

6. The layered center fire cover according to claim 1, characterized in that: The top fire cover is provided with an annular groove, the wall plate in the annular groove is in the shape of a truncated cone, and the top combustion holes include a large circular combustion hole group and a small circular combustion hole group; A large circular combustion hole group and a small circular combustion hole group are arranged on the wall plate of the annular groove from top to bottom, and the axes of the large circular combustion holes in the large circular combustion hole group and the axes of the small circular combustion holes in the small circular combustion hole group have acute angles with the radial outer plane.

7. A central layered burner, characterized in that: It comprises a burner head, a fire distributor seat, an outer ring fire cover and a layered central fire cover as claimed in any one of claims 1 to 6. The burner head includes a base plate, a central air outlet pipe, a central ejector pipe, a cup body surrounding the central air outlet pipe, a layer air inlet pipe, an outer ring air outlet pipe and an outer ring ejector pipe. The central air outlet pipe extends out of the cup body. The gap between the cup body and the central air outlet pipe forms a layer gas cavity. The layer air inlet pipe is connected to the layer gas cavity. The ignition distributor seat includes an outer ring gas groove, an air inlet interface pipe, a cylindrical cover seat and radial ribs, and the lower end of the cylindrical cover seat is provided with an inner interface; The outer ring air outlet pipe is inserted into the inner interface of the air inlet interface pipe, the upper end of the cup body is inserted into the countersunk hole at the lower end of the cylindrical cover seat, the central air outlet pipe is inserted into the central air inlet interface of the central cover, and the outer interface of the cylindrical cover seat is inserted into the cylindrical body of the outer ring cover.

8. The central layered burner according to claim 7, characterized in that: The burner head further comprises a layered steady flow cavity arranged between the cup body and the outer ring air outlet pipe, and the layered steady flow cavity is communicated with the cup body and the layered air inlet pipe.

9. A central layered burner according to claim 7 or 8, characterized in that: The seat plate is provided with a boss, and the cup body and the outer ring air outlet pipe intersect with the boss.

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