A cooking burner made of sheet metal

Abstract

A cooking stove burner made of sheet metal includes a base, a cover, a center fire cover seat, a center fire cover and an outer ring fire cover. The diameter of the cover is smaller than that of the bottom cavity. The bottom plate of the bottom cavity supports axial secondary air channels, and the cavity bottom plate wraps around the axial holes. The cover bottom plate and the cavity bottom plate between two adjacent axial secondary air channels form radial gas channels. The center gas inlet passes through the through hole, and the fire cover seat and the cover bottom plate are fixed. The cylindrical cover wall plate is inserted into the inner ring wall plate, the annular along the plate supports the bottom annular seat plate, and the cover wrapping edge wraps the annular along the plate. The center fire cover and the fire cover seat are buckled. Made of sheet metal, the gas channel is smooth, improving energy efficiency; the manufacturing process is simple, easy to assemble, and efficient.

Description

Technical Field

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

[0002] The existing technology, Chinese patent 201610532293.7, describes a waterproof double-ring burner, including a burner head, a burner seat, an inner flame cap, and an outer flame cap. The burner seat has an inner flame cap seat and an outer ring gas groove. The burner head includes an open cup body, a central gas outlet pipe, an inner ejector pipe, an outer ejector pipe, and a flange surrounding the cup body. The central gas outlet pipe extends out of the cup body, forming an annular gas outlet chamber with the cup body. The lower end of the inner flame cap of the burner seat is provided with a central air inlet pipe. The burner seat also includes an air inlet chamber, a radial gas passage connecting the air inlet chamber to the outer ring gas groove, and an axial secondary air passage between two adjacent radial gas passages. The interface at the upper end of the central gas outlet pipe is inserted into the central air inlet pipe, and the inner interface is inserted into the interface of the air inlet chamber. The cup body supports the interface. The problem is that the burner seat is composed of two parts and is die-cast separately, resulting in high energy consumption, numerous machining processes, and low efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a stove burner made of metal sheet, which is easy to assemble and has low energy consumption.

[0004] This utility model is implemented as follows: a stove burner made of metal sheet, characterized in that it includes a base, a cover, a central burner seat, a central burner, and an outer ring burner.

[0005] The base is made of metal sheet and includes a bottom cavity with an upper opening and an annular edge plate. The bottom cavity includes an outer ring air intake interface and an axial hole surrounding the outer ring air intake interface.

[0006] The cover is hollow with an upper opening and is made of metal sheet. It includes a cylindrical cover wall, a through hole on the bottom plate, and an axial secondary air channel surrounding the through hole. The lower end of the axial secondary air channel is provided with a wrapping edge.

[0007] The center burner mount is made of stretched metal sheet and includes a top-opening burner mount and a center air intake port.

[0008] The outer ring burner cap is made of metal sheet and includes an inner ring wall plate, an outer ring wall plate, and a top combustion section. The lower end of the outer ring wall plate is provided with a bottom annular seat plate and a cover edge.

[0009] The diameter of the cover is smaller than the diameter of the bottom cavity. The bottom plate of the bottom cavity supports the axial secondary air channel, and the cover bottom plate at the axial hole is wrapped by the wrapping edge. The cover bottom plate and the cavity bottom plate between two adjacent axial secondary air channels form a radial secondary channel. The central air inlet passes through the through hole and is fixed to the flame cap seat and the cover bottom plate. The cylindrical cover wall plate is inserted into the inner ring wall plate, and the annular edge plate supports the bottom annular seat plate. The cover wrapping edge includes the annular edge plate. The central flame cap and the flame cap seat are fastened together.

[0010] The stove burner made of metal sheet is characterized in that: the axial secondary air channel and the axial hole are arc-shaped, and the radial inner side of the axial secondary air channel forms an annular air intake chamber.

[0011] The diameter of the circumference of the radial inner side of the axial secondary air passage and the axial hole is equal to the inner diameter of the outer ring air intake interface.

[0012] The stove burner made of metal sheet is characterized in that: the bottom plate of the burner cover base is provided with screw holes, and the bottom plate of the cover is provided with connecting holes;

[0013] The screw passes through the connecting hole and engages with the screw hole;

[0014] Alternatively, the base plate of the flame cover holder may have rivet holes, and the base plate of the cover may have rivet holes; the flame cover holder and the base plate of the cover are riveted together.

[0015] The stove burner made of metal sheet is characterized in that: the top combustion section includes an inverted frustum-shaped part, a lower-opening annular cavity, a frustum-shaped part, an outer annular combustion groove, and a circular outer annular combustion hole.

[0016] The outer ring combustion groove extends from the top plate and outer peripheral wall plate of the annular cavity to the frustum-shaped part. The circular outer ring combustion holes are located on the frustum-shaped part and are arranged alternately with the outer ring combustion groove.

[0017] The stove burner made of metal sheet is characterized in that it also includes an annular flow guide and stabilizer plate, which includes several flow-dividing and pressurizing plates and a radial support plate located in the axial hole.

[0018] The radial support plate and the annular flow guide plate are attached to the top combustion section, and the cylindrical cover plate supports the radial support plate.

[0019] The stove burner made of metal sheet is characterized in that: the central burner cap has an inner interface, and the burner cap seat is inserted into the inner interface.

[0020] The stove burner made of metal sheet is characterized in that the burner cap seat and the inner interface are interference-fitted or threaded.

[0021] This utility model relates to a stove burner made of metal sheet. The metal sheet has a smooth gas passage, which improves energy efficiency. The manufacturing process is simple, the assembly is convenient, and the work efficiency is high. Attached Figure Description

[0022] Figure 1 This is the front view of this utility model.

[0023] Figure 2 yes Figure 1 A-A view.

[0024] Figure 3 yes Figure 1 B-B view.

[0025] Figure 4 yes Figure 3 The C-C view.

[0026] Figure 5 This is a perspective view of the present invention.

[0027] Figure 6 This is a three-dimensional sectional view of the cover of this utility model.

[0028] Figure 7 This is one of the three-dimensional sectional views of this utility model.

[0029] Figure 8 This is the second three-dimensional sectional view of this utility model.

[0030] Figure 9 This is a cross-sectional view of the second embodiment of this utility model.

[0031] Figure 10 This is a front view of the annular flow guide and stabilizer plate according to the second embodiment of this utility model. Detailed Implementation

[0032] 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.

[0033] 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.

[0034] Example 1

[0035] like Figure 1 , Figure 2 , Figure 3 As shown, a stove burner made of metal sheet includes a base 1, a cover 2, a center burner seat, a center burner 4, and an outer ring burner 5.

[0036] The base 1 is made of metal sheet and includes a bottom cavity 11 with an upper opening and an annular edge plate 12. The bottom cavity 11 includes an outer ring air inlet 111 and an axial hole 112 surrounding the outer ring air inlet.

[0037] like Figure 6 As shown, the cover 2 is hollow and has an upper opening and is made of metal sheet. It includes a cylindrical cover wall plate 21, a through hole 22 provided on the bottom plate of the cover, and an axial secondary air channel 23 arranged around the through hole 22. The lower end of the axial secondary air channel 23 is provided with a wrapping edge 231, and the axial secondary air channel 23 is arc-shaped.

[0038] The center burner holder is made of stretched metal sheet and includes a burner holder 31 with an upper opening and a center air intake port 32.

[0039] The outer ring burner cap 5 is made of metal sheet and includes an inner ring wall plate 51, an outer ring wall plate 52, and a top combustion section 53. The lower end of the outer ring wall plate 52 is provided with a bottom annular seat plate 521 and a cover wrapping edge 522.

[0040] The diameter of the cover 2 is smaller than the diameter of the bottom cavity 11. The bottom plate of the bottom cavity 11 supports the axial secondary air passage 23, and the wrapping edge 231 wraps the cavity bottom plate at the axial hole 112. The cover bottom plate and cavity bottom plate between two adjacent axial secondary air passages 23 form a radial gas passage 61. The central air inlet 32 ​​passes through the through hole 22 and is fixed to the burner seat 31 and the cover bottom plate of the cover 2. The cylindrical cover wall plate 21 is inserted into the inner ring wall plate 51, the annular edge plate 12 supports the bottom annular seat plate 521, and the cover wrapping edge 522 wraps the annular edge plate 12. The central burner 4 and the burner seat 31 are fastened together. The axial secondary air passage 23 has four channels distributed on the circumference to form an annular air inlet chamber and communicates with the outer annular air inlet 111. The central air inlet 32 ​​extends into the annular air inlet chamber. With this connection method, the sealing performance is good. The surface of the gas and air passage is smooth and there is no eddy current, which improves energy efficiency. The base 1, cover 2, central burner seat and outer annular burner 5 are connected as one unit.

[0041] As a further improvement to this utility model: such as Figure 4 As shown, the axial secondary air channel 23 and the axial hole 112 are arc-shaped, and the radial inner side of the axial secondary air channel 23 forms an annular air intake chamber, which is connected to the outer annular air intake interface 111.

[0042] The diameter of the circumference of the radial inner side of the axial secondary air channel 23 and the axial hole 112 is equal to the inner diameter of the outer ring air inlet 111.

[0043] As a further improvement of this utility model: the bottom plate of the fire cover seat 31 is provided with a screw hole 311, and the bottom plate of the cover is provided with a connecting hole 211;

[0044] The screw passes through the connecting hole 211 and engages with the screw hole 311;

[0045] Alternatively, the base plate of the flame cover seat 31 may be provided with rivet holes, and the cover base plate may be provided with rivet holes; the flame cover seat 31 and the cover base plate may be riveted together.

[0046] As a further improvement of this utility model: the top combustion part 53 includes an inverted frustum-shaped part 531, an annular cavity part 532 with a lower opening, a frustum-shaped part 533, an outer annular combustion groove 534, and a circular outer annular combustion hole 535.

[0047] The outer ring combustion groove 534 extends from the top plate and outer peripheral wall plate of the annular cavity 532 to the frustum-shaped part 533. The circular outer ring combustion hole 535 is provided on the frustum-shaped part 533 and is arranged alternately with the outer ring combustion groove 533.

[0048] The central flame cap 4 is made of die-cast metal and has an inner interface. The flame cap seat 31 is inserted into the inner interface with an interference fit. The flame cap seat 31 has an external thread, and the inner interface has an internal thread. The central flame cap 4 and the flame cap seat 31 are screwed together.

[0049] Example 2

[0050] like Figure 9 , Figure 10 As shown, it also includes an annular flow guide and stabilizer plate 6, which includes several flow diversion and pressurization holes 61 and a radial support plate 63 located in the axial hole 62;

[0051] The radial support plate 63 and the annular flow guide plate 6 are attached to the top combustion section 53, and the cylindrical cover plate 21 supports the radial support plate 63; the inner diameter of the annular flow guide plate 6 is larger than the diameter of the cylindrical cover plate 21. That is to say, there is a gap between the hole wall of the axial hole 62 of the annular flow guide plate 6 and the cylindrical cover plate 21.

[0052] When this utility model is used, it is applicable to Chinese Patent 201610532293.7, Utility Model Name: A Burner Head in a Waterproof Double-Ring Burner.

[0053] 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 stove burner made of metal sheet, characterized in that: Includes a base, a cover, a center flame cap holder, a center flame cap, and an outer ring flame cap. The base is made of sheet metal and includes a bottom cavity with an upper opening and an annular edge plate. The bottom cavity includes an outer ring air intake interface and an axial hole surrounding the outer ring air intake interface. The cover is hollow with an upper opening and is made of metal sheet. It includes a cylindrical cover wall, a through hole on the bottom plate, and an axial secondary air channel surrounding the through hole. The lower end of the axial secondary air channel is provided with a wrapping edge. The center burner mount is made of stretched metal sheet and includes a top-opening burner mount and a center air intake port. The outer ring burner cap is made of metal sheet and includes an inner ring wall plate, an outer ring wall plate, and a top combustion section. The lower end of the outer ring wall plate is provided with a bottom annular seat plate and a cover edge. The diameter of the cover is smaller than the diameter of the bottom cavity. The bottom plate of the bottom cavity supports the axial secondary air passage, and the cover bottom plate at the axial hole is wrapped by the wrapping edge. The cover bottom plate and the cavity bottom plate between two adjacent axial secondary air passages form a radial gas passage. The central air inlet passes through the through hole and is fixed to the burner seat and the cover bottom plate. The cylindrical cover wall plate is inserted into the inner ring wall plate, the annular edge plate supports the bottom annular seat plate, and the cover wrapping edge wraps the annular edge plate. The central burner and the burner seat are fastened together.

2. A stove burner made of metal sheet according to claim 1, characterized in that: The axial secondary air channel and axial hole are arc-shaped, and the radial inner side of the axial secondary air channel forms an annular air intake chamber. The diameter of the circumference of the radial inner side of the axial secondary air passage and the axial hole is equal to the inner diameter of the outer ring air intake interface.

3. A stove burner made of metal sheet according to claim 1, characterized in that: The base plate of the fire cover is provided with screw holes, and the base plate of the cover is provided with connecting holes; The screw passes through the connecting hole and engages with the screw hole; Alternatively, the base plate of the flame cover holder may have rivet holes, and the base plate of the cover may have rivet holes; the flame cover holder and the base plate of the cover are riveted together.

4. A stove burner made of metal sheet according to claim 1, characterized in that: The top combustion section includes an inverted frustum-shaped section, a lower-opening annular cavity, a frustum-shaped section, an outer annular combustion groove, and a circular outer annular combustion hole. The outer ring combustion groove extends from the top plate and outer peripheral wall plate of the annular cavity to the frustum-shaped part. The circular outer ring combustion holes are located on the frustum-shaped part and are arranged alternately with the outer ring combustion groove.

5. A stove burner made of metal sheet according to claim 1, characterized in that: It also includes a circular flow guide and stabilizer plate, which includes several flow diversion and pressurization holes and a radial support plate located at the axial hole; The radial support plate and the annular flow guide plate are attached to the top combustion section, and the cylindrical cover plate supports the radial support plate; the inner diameter of the annular flow guide plate is larger than the diameter of the cylindrical cover plate.

6. A stove burner made of metal sheet according to claim 1, 2, 3, 4 or 5, characterized in that: The central flame cap has an inner interface, and the flame cap seat is inserted into the inner interface.

7. A stove burner made of metal sheet according to claim 6, characterized in that: The fire cover seat and the inner interface are either interference-fitted or threaded.

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