Burner of stove burner

Abstract

A furnace end of a stove burner comprises a bottom furnace end piece, an upper furnace end piece, a right-angle-shaped gas guide pipe and a fixing seat piece, and the bottom furnace end piece comprises a bottom base plate, a lower half center injection pipe, a lower half fixing pipe, a lower half outer ring injection pipe and a lower half premixing cavity. The upper furnace end piece comprises an upper base plate, an outer ring gas cavity, an upper half center injection pipe, an upper half fixing pipe, an upper half outer ring injection pipe and an upper half premixing cavity communicated with the outer ring gas cavity. The upper base plate and the bottom base plate are buckled, fixed and sealed, the bottom base plate seals a lower opening of the outer ring gas cavity, the upper half premixing cavity and the lower half premixing cavity form a premixing cavity, the upper half center injection pipe and the upper half fixing pipe form a center injection pipe, the lower half center injection pipe and the lower half fixing pipe form a fixing pipe, and the horizontal pipe is fixed in the fixing pipe; the fixed seat plate is arranged at the top of the outer ring gas cavity, and the vertical pipe passes through the outer ring gas cavity, penetrates through the fixed seat plate and extends out. The bottom furnace end piece and the upper furnace end piece adopt the structure, so that the number of molds is reduced; components are few, and assembling is convenient.

Description

Technical Field

[0001] This utility model relates to a stove burner, and more particularly to a burner head. Background Technology

[0002] The existing technology, Chinese patent 202010488560.1, describes a sheet metal burner head for a gas stove. Its injector tube and disc-shaped mixing chamber are riveted together from upper and lower injector mixing components. A central flame guide tube is placed between the upper and lower injector mixing components and communicates with the central flame injector tube. The lower end of the mixing guide component is connected to the upper injector mixing component, and the upper end is connected to the mounting positioning plate. A gas passage opening is provided on the top of the boss on the mounting positioning plate, and a port diameter adjustment tube is provided at the outlet section of the central flame guide tube. The mounting positioning plate has an ignition needle mounting hole, a thermocouple mounting hole, and a threaded mounting hole. The upper injector mixing component, mixing guide component, mounting positioning plate, central flame guide tube, and port diameter adjustment tube are connected as a single unit through a welding structure. The problems are: many parts, requiring a large number of molds; many joints, posing a risk of gas leakage. Utility Model Content

[0003] The purpose of this utility model is to provide a stove burner head that has the characteristics of fewer parts, fewer joints, high sealing performance, fewer molds, and convenient assembly.

[0004] This utility model is implemented as follows: a stove burner head, characterized in that it includes a bottom burner head component, an upper burner head component, a right-angled gas guide pipe, and a fixing base component.

[0005] The bottom furnace head is made of a single piece of metal sheet and includes a bottom base plate, a lower central ejector tube and a lower fixed tube, a lower outer ring ejector tube, and a lower premixing chamber.

[0006] The upper furnace head is made of a single metal sheet and includes an upper base plate, an outer ring gas chamber, an upper central ejector tube and an upper fixed tube, an upper outer ring ejector tube and an upper premixing chamber connected to the outer ring gas chamber.

[0007] The upper and lower base plates are fastened and sealed. The lower base plate closes the lower opening of the outer ring gas chamber. The upper and lower premix chambers constitute the premix chamber and are connected to the bottom of one side of the outer ring gas chamber. The central ejector tube and the upper fixed tube and the lower central ejector tube and the lower fixed tube respectively constitute the central ejector tube and the fixed tube. The horizontal tube of the right-angled gas guide tube is fixed inside the fixed tube. The fixed base plate is located at the top of the outer ring gas chamber, and the vertical tube extends out through the outer ring gas chamber and through the fixed base plate.

[0008] The burner head of the stove burner is characterized in that: the right-angled gas guide pipe is provided with an annular protrusion;

[0009] The lower half of the fixed tube is provided with a lower half-annular groove, and the upper half of the fixed tube is provided with an upper half-annular groove;

[0010] The annular protrusion fits into the annular groove formed by the upper and lower annular grooves.

[0011] The burner head of the stove burner is characterized in that the edge of the upper substrate wraps around the bottom substrate.

[0012] The burner head of the stove burner is characterized in that the suspended end of the lower half of the fixed tube corresponds to the axis of the outer ring gas chamber.

[0013] The burner head of the stove burner is characterized in that: the upper end of the outer ring gas chamber is provided on an annular support plate and an external interface;

[0014] The fixed seat is made of metal sheet and includes an inner round outer square seat plate, a plug cavity and a hollow lower opening outer connector. The top plate of the outer connector is provided with a central tube hole and an outer ring air guide hole surrounding the central tube hole.

[0015] The outer ring gas chamber is inserted into the plug-in cavity, the outer interface is inserted into the outer connector, and the annular support plate supports the top plate of the plug-in cavity.

[0016] The burner head of the stove burner is characterized in that it also includes a front support frame and a rear support frame.

[0017] The front support frame is fixed to the central ejector tube and the outer ring ejector tube, and the rear support frame is fixed to the base plate.

[0018] This utility model relates to a stove burner head, with the bottom burner head and upper burner head adopting such a structure that reduces the number of molds; fewer parts make assembly convenient. Attached Figure Description

[0019] Figure 1 This is the front view of this utility model.

[0020] Figure 2 yes Figure 1 A-A view.

[0021] Figure 3 yes Figure 1 B-B view.

[0022] Figure 4 This is an exploded plan view of this utility model.

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

[0024] Figure 6 This is the second exploded perspective view of this utility model.

[0025] Figure 7 This is a perspective view of the present invention. Detailed Implementation

[0026] Embodiments of the present invention 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 the present invention, and should not be construed as limiting the present invention.

[0027] In the description of this invention, 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 communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] like Figure 1 , Figure 5 , Figure 6 As shown, a stove burner head includes a bottom burner head component 1, an upper burner head component 2, a right-angled gas guide pipe 3, and a fixing base component 4.

[0029] The bottom furnace head component 1 is integrally formed from a metal sheet and includes a bottom base plate 11, a lower half central ejector tube 12 and a lower half fixed tube 13, a lower half outer ring ejector tube 14 and a lower half premixing chamber 15.

[0030] The upper furnace head component 2 is integrally formed from a metal sheet and includes an upper base plate 21, an outer ring gas chamber 22, an upper central ejector tube 23 and an upper fixed tube 24, an upper outer ring ejector tube 25 and an upper premixing chamber 26 connected to the outer ring gas chamber 22; the upper central ejector tube 23, the upper fixed tube 24 and the outer ring gas chamber 22 are connected in sequence, and the upper outer ring ejector tube 25, the upper premixing chamber 26 and the outer ring gas chamber 22 are connected in sequence;

[0031] The right-angled air duct 3 includes a horizontal tube 31 and a vertical tube 32, with rounded corners at the intersection of the horizontal and vertical tubes;

[0032] The upper substrate 21 and the lower substrate 11 are fastened and sealed. The lower substrate 11 closes the lower opening of the outer ring gas chamber 22. The upper half premixing chamber 26 and the lower half premixing chamber 15 constitute a premixing chamber and are connected to one side bottom of the outer ring gas chamber 22. The upper central ejector tube 23 and the upper half fixed tube 24, and the lower half central ejector tube 12 and the lower half fixed tube 13 respectively constitute the central ejector tube and the fixed tube. The horizontal tube 31 of the right-angled gas guide tube 3 is fixed inside the fixed tube. The fixed seat plate 3 is located at the top of the outer ring gas chamber 22. The vertical tube 32 extends through the outer ring gas chamber 22 and through the fixed seat plate 3.

[0033] As a further improvement of this utility model: the horizontal tube 31 of the right-angled air guide tube 3 is provided with an annular protrusion 311;

[0034] The lower half of the fixed tube 13 is provided with a lower half annular groove 131, and the upper half of the fixed tube 24 is provided with an upper half annular groove 241.

[0035] The annular protrusion 311 fits into and seals the annular groove formed by the upper semi-annular groove 131 and the lower semi-annular groove 241. This structure prevents the right-angled air guide tube 3 from moving along the axis of the horizontal tube 31, thus maintaining the sealing performance.

[0036] As a further improvement of this utility model: the edge of the upper substrate 21 wraps around the edge of the bottom substrate 11.

[0037] The suspended end of the lower half of the fixed pipe 13 corresponds to the axis of the outer ring gas chamber 22.

[0038] As a further improvement of this utility model: the upper end of the outer ring gas chamber 22 is provided on the annular support plate 221 and the outer interface 222;

[0039] The fixed seat 4 is made of metal plate and includes an inner round outer square seat plate 41, a plug cavity 42 and a hollow lower opening outer connector 43. The top plate of the outer connector 43 is provided with a central tube hole 431 and an outer ring air guide hole 432 surrounding the central tube hole.

[0040] The outer ring gas chamber 22 is inserted into the plug-in chamber 42, the outer interface 222 is inserted into the lower end of the outer connector 43, the annular support plate 221 supports the top plate of the plug-in chamber 42, and the vertical pipe 32 passes through the central pipe hole 431.

[0041] As a further improvement of this utility model, it also includes a front support bracket 51 and a rear support bracket 52.

[0042] The front support frame 51 is fixed to the central ejector tube and the outer ring ejector tube, and the rear support frame 52 is fixed to the base plate 11.

[0043] Although embodiments of the 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 invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A burner head for a stove burner, characterized in that: Includes bottom furnace head components, upper furnace head components, right-angled gas guide pipes and fixing base components, The bottom furnace head is made of a single piece of metal sheet and includes a bottom base plate, a lower central ejector tube and a lower fixed tube, a lower outer ring ejector tube, and a lower premixing chamber. The upper furnace head is made of a single metal sheet and includes an upper base plate, an outer ring gas chamber, an upper central ejector tube and an upper fixed tube, an upper outer ring ejector tube and an upper premixing chamber connected to the outer ring gas chamber. The upper and lower base plates are fastened and sealed. The lower base plate closes the lower opening of the outer ring gas chamber. The upper and lower premix chambers constitute the premix chamber and are connected to the bottom of one side of the outer ring gas chamber. The upper central ejector tube and the upper fixed tube, and the lower central ejector tube and the lower fixed tube respectively constitute the central ejector tube and the fixed tube. The horizontal tube of the right-angled gas guide tube is fixed inside the fixed tube. The fixed base plate is located at the top of the outer ring gas chamber, and the vertical tube extends out through the outer ring gas chamber and through the fixed base plate.

2. The burner head of a stove burner according to claim 1, characterized in that: The right-angled air duct is provided with an annular protrusion; The lower half of the fixed tube is provided with a lower half-annular groove, and the upper half of the fixed tube is provided with an upper half-annular groove; The annular protrusion fits into the annular groove formed by the upper and lower annular grooves.

3. The burner head of a stove burner according to claim 1, characterized in that: The edge of the upper substrate wraps around the bottom substrate.

4. The burner head of a stove burner according to claim 1, characterized in that: The lower half of the fixed pipe is suspended and corresponds to the axis of the outer ring gas chamber.

5. The burner head of a stove burner according to claim 1, characterized in that: The upper end of the outer ring gas chamber is located on the annular support plate and the outer interface; The fixed seat is made of metal sheet and includes an inner round outer square seat plate, a plug cavity and a hollow lower opening outer connector. The top plate of the outer connector is provided with a central tube hole and an outer ring air guide hole surrounding the central tube hole. The outer ring gas chamber is inserted into the plug-in cavity, the outer interface is inserted into the outer connector, and the annular support plate supports the top plate of the plug-in cavity.

6. The burner head of a stove burner according to claim 1, 2, 3, 4 or 5, characterized in that: It also includes a front support bracket and a rear support bracket. The front support frame is fixed to the central ejector tube and the outer ring ejector tube, and the rear support frame is fixed to the base plate.

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