A stove assembly

Abstract

A stove assembly includes a gas valve, a burner, an inner ring nozzle, an outer ring nozzle, a pressure spring and a damper. The central nozzle includes a central tube, an external threaded portion, a hexagonal driving portion and a central nozzle portion arranged at the gas outlet end, and the central nozzle portion includes a truncated cone compression chamber, a cylindrical chamber and an inverted truncated cone diffusion chamber; the outer ring nozzle includes an outer ring tube body, an external threaded portion, a hexagonal driving portion adjacent to the external threaded portion for a rotating tool to rotate, and an outer ring nozzle portion arranged at the gas inlet end of the outer ring tube body, and the outer ring nozzle portion includes a truncated cone compression portion and a cylindrical compression portion; the hexagonal driving portion is provided with a radial air inlet hole connected to the outer ring tube body; the pressure spring cooperates with the end of the hexagonal driving portion. The gas from the central nozzle enters the central ejector tube and mixes with the primary air; the gas from the outer ring nozzle is first mixed with the primary air in the outer ring nozzle, and then mixed with the primary air in the outer ring ejector tube for a secondary combustion, which improves energy efficiency.

Description

Technical Field

[0001] The invention relates to a gas cooker. Background Art

[0002] The prior art currently discloses a stove assembly, including a gas valve, a burner, a central nozzle, an outer ring nozzle, a pressure spring and an air damper. The gas valve includes a central air outlet pipe and an outer ring air outlet pipe. The burner includes a burner head, a central fire cover and an outer ring fire cover made of silicon aluminum alloy. The burner head includes a fire cover seat, a central ejector pipe and an outer ring ejector pipe. The central ejector pipe, the outer ring ejector pipe and the connecting seat are formed in one step. The air inlet end of the central ejector pipe is provided with a circular hole located on the axis and arc-shaped air inlet holes at both ends of a horizontal diameter line. The outer ring ejector pipe is provided with a central ejector pipe. The air inlet end is provided with a circular hole located on the axis and arc-shaped air inlet holes at both ends of a horizontal diameter line; the damper is provided with a rotating hole located on the axis, arc-shaped air holes located above and below the rotating hole, a seat plate with positioning protrusions and a handle; the air outlet end of the center nozzle passes through a pressure spring and the rotating hole of the damper and extends into the center ejection tube, and the damper fits with the air inlet end of the center ejection tube; the air outlet end of the outer ring nozzle passes through a pressure spring and the rotating hole of the damper and extends into the outer ring ejection tube, and the damper fits with the air inlet end of the outer ring ejection tube. Existing problems: improper ratio of primary air and gas, incomplete combustion, and low energy efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a stove assembly, which has a proper ratio of primary air and gas, complete combustion and improved energy efficiency.

[0004] The present invention is implemented as follows: a stove assembly includes a gas valve, a burner, a central nozzle, an outer ring nozzle, a pressure spring and an air door, the gas valve includes a central air outlet pipe and an outer ring air outlet pipe; the burner includes a burner head made of silicon aluminum alloy, a central fire cover and an outer ring fire cover, the burner head includes a fire cover seat, a central ejector pipe and an outer ring ejector pipe, the central ejector pipe, the outer ring ejector pipe and the connecting seat are formed in one step, the air inlet end of the central ejector pipe is provided with a circular hole located on the axis and arc-shaped air inlet holes at both ends of a horizontal diameter line, the air inlet end of the outer ring ejector pipe is provided with a circular hole located on the axis and arc-shaped air inlet holes at both ends of a horizontal diameter line; the air door is provided with a The rotating hole of the central nozzle, the arc-shaped air holes located above and below the rotating hole, the seat plate with positioning protrusions and the handle; the outlet end of the central nozzle passes through a pressure spring and the rotating hole of the air door and extends into the central ejection tube, and the air door fits with the air inlet end of the central ejection tube; the outlet end of the outer ring nozzle passes through a pressure spring and the rotating hole of the air door and extends into the outer ring ejection tube, and the air door fits with the air inlet end of the outer ring ejection tube; its special feature is that the central nozzle includes a central tube, an external threaded portion located at the air inlet end of the central tube, a hexagonal driving portion adjacent to the external threaded portion for the rotating tool to rotate, and a central nozzle portion provided at the air outlet end, and the central nozzle portion includes a truncated cone compression chamber, a cylindrical chamber and an inverted truncated cone diffusion chamber;

[0005] The outer ring nozzle comprises an outer ring tube body, an external threaded portion provided at the air inlet end, a hexagonal driving portion adjacent to the external threaded portion for the rotating tool to rotate, and an outer ring nozzle portion provided at the air inlet end of the outer ring tube body, the outer ring nozzle portion comprises a truncated cone-shaped compression portion and a cylindrical compression portion; a radial air inlet hole is provided on the hexagonal driving portion and is connected to the outer ring tube body;

[0006] The pressure spring is matched with the end of the hexagonal driving part.

[0007] The stove assembly is special in that: the lower ends of the diameter lines of the central ejector tube and the outer ring ejector tube perpendicular to the horizontal plane are provided with arc-shaped positioning seats, and the arc-shaped positioning seats are provided with a plurality of positioning holes;

[0008] The positioning protrusion on the seat plate of the damper is engaged with the positioning hole for positioning.

[0009] The stove assembly is special in that: the top of the connection seat of the central ejector tube and the outer ring ejector tube is provided with two riveted posts and screw holes between the riveted posts;

[0010] It also includes a backfire protection cover plate, the front end of the backfire protection cover plate is provided with a folded edge, and the rear end is provided with a riveting hole and a connecting hole;

[0011] The connecting seat supports the tempering protection cover plate, the riveting column passes through the riveting hole, and the screw passes through the connecting hole and is screwed into the screw hole.

[0012] The invention discloses a stove assembly, wherein the gas of the central nozzle enters the central ejector pipe and mixes with the primary air, corresponding to the power of the central fire cover; the gas of the outer ring nozzle is first mixed with the primary air in the outer ring nozzle, and then mixed with the primary air for a second time in the outer ring ejector pipe, so that the combustion is sufficient and the energy efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional view of the present invention.

[0014] Figure 2 yes Figure 1 A-A view of.

[0015] Figure 3 yes Figure 2 A partial enlarged view of .

[0016] Figure 4 yes Figure 2 B-B view.

[0017] Figure 5 It is a cross-sectional view of a burner of the present invention.

[0018] Figure 6 It is a perspective view of the present invention.

[0019] Figure 7 It is one of the three-dimensional exploded views of the present invention.

[0020] Figure 8 It is the second of the three-dimensional exploded diagrams of the present invention. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] like Figure 1As shown, a stove assembly includes a gas valve 1, a burner 2, a central nozzle 3, an outer ring nozzle 4, a pressure spring 5 and a damper 6. The gas valve 1 includes a central gas outlet pipe 1A and an outer ring gas outlet pipe 1B; the burner 2 includes a burner head made of silicon aluminum alloy, a central fire cover 21 and an outer ring fire cover 22, the burner head includes a fire cover seat, a central ejection pipe 23 and an outer ring ejection pipe 24, the fire cover seat includes a circular seat plate 25, a central fire cover seat 26 arranged on the circular seat, an outer ring gas groove 27 and an axial fuel injection nozzle 28. The gas channel 28, the central ejector tube 23 is connected with the central fire cover seat 26, the outer ring ejector tube 24, the axial gas channel 28 and the outer ring gas groove 27 are connected in sequence; the axial gas channel 28 is connected with the circular seat plate 25 and the outer ring gas groove 27, the support column seat 29 is connected with the circular seat plate 25 and the outer ring gas groove 27, the circular seat plate 25 and the outer ring gas groove 27 between the axial gas channel 28 and the support column seat 29 constitute a radial secondary air channel, and the circular seat plate and the outer ring gas groove between two adjacent support column seats 29 constitute a radial secondary air channel; the central ejector tube 23, the outer ring ejector tube 24 and the connecting seat 2A are formed in one step, the air inlet end of the central ejector tube 23 is provided with a circular hole 231 located on the axis and arc-shaped air inlet holes 232 at both ends of a horizontal diameter line, the air inlet end of the outer ring ejector tube 24 is provided with a circular hole 241 located on the axis and arc-shaped air inlet holes 242 at both ends of a horizontal diameter line; the damper 6 is provided with a A rotating hole 61 on the axis, an arc-shaped air hole 62 located above and below the rotating hole, a base plate 63 with a positioning protrusion 631, and a handle 64; the air outlet end of the center nozzle 3 passes through a pressure spring 5 and the rotating hole 61 of the damper 6 and extends into the center ejection tube 23, and the damper 6 fits with the air inlet end of the center ejection tube 23; the air outlet end of the outer ring nozzle 4 passes through a pressure spring 5 and the rotating hole of the damper 6 and extends into the outer ring ejection tube 24, and the damper 6 fits with the air inlet end of the outer ring ejection tube 24.

[0023] The central nozzle 3 comprises a central tube 31, an external threaded portion 32 at the air inlet end of the central tube, a hexagonal driving portion 33 adjacent to the external threaded portion for the rotating tool to rotate, and a central nozzle portion arranged at the air outlet end, wherein the central nozzle portion comprises a truncated cone compression chamber 341, a cylindrical chamber 342 and an inverted truncated cone diffusion chamber 343; Figure 3 As shown, the external threaded portion 32 is screwed with the internal thread of the central gas outlet pipe 1A, and the central pipe 31 passes through the central rotating hole 61 of the pressure spring 5 and the damper 6 and the circular hole 231 on the central ejector pipe 23 and extends into the central ejector pipe 23, and the gas ejected from the inverted truncated cone diffusion chamber 343 is mixed with the air entering the central ejector pipe 23; the power of the central fire cover 21 is small, and the gas volume is small. With such a structure, the primary air volume can be easily adjusted;

[0024] The outer ring nozzle 4 comprises an outer ring tube body 41, an external threaded portion 42 arranged at the air inlet end, a hexagonal driving portion 43 adjacent to the external threaded portion for the rotating tool to rotate, and an outer ring nozzle portion arranged at the air inlet end of the outer ring tube body, the outer ring nozzle portion comprising a truncated cone compression portion 441 and a cylindrical compression portion 442; a radial air inlet hole 443 is provided on the hexagonal driving portion to communicate with the outer ring tube body 41; the external threaded portion 42 of the outer ring nozzle 4 is screwed with the outer ring air outlet pipe 1B, and the outer ring tube body 41 passes through the circular holes of the pressure spring 5 and the damper 6 and the circular hole 241 of the outer ring ejector pipe 24 and extends into the outer ring ejector pipe; with such a structure, the gas and air are first mixed for the first time, thereby generating a mixture of air and gas, which is then mixed with the primary air for the second time after entering the outer ring ejector pipe 24; the outer ring fire cover has high power, and the outer ring air outlet pipe 1B has large air output; with such a structure, the gas and air are mixed evenly, the primary air is sufficient, the combustion is sufficient, and the energy efficiency is improved;

[0025] The pressure spring 5 cooperates with the end of the hexagonal driving part and the door 6 .

[0026] The lower ends of the diameter lines of the central ejector tube 23 and the outer ring ejector tube 24 perpendicular to the horizontal plane are provided with arc-shaped positioning seats 2B, and the arc-shaped positioning seats 2B are provided with a plurality of positioning holes;

[0027] The positioning protrusion 631 on the seat plate 63 of the damper 6 is engaged with the positioning hole for positioning.

[0028] As a further improvement of the present invention: the top of the connection seat 2A of the central ejector tube 23 and the outer ring ejector tube 24 is provided with two riveted columns 2C and a screw hole 2D located between the riveted columns;

[0029] It also includes an anti-backfire cover plate 7, the front end of the anti-backfire cover plate 7 is provided with a folded edge 71, and the rear end is provided with a riveting hole 72 and a connecting hole 73;

[0030] The connecting seat supports the tempering protection cover plate, the riveting column passes through the riveting hole, and the screw passes through the connecting hole and is screwed into the screw hole.

[0031] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, which are also considered as the protection scope of the present invention.

Claims

1. A stove assembly, comprising a gas valve, a burner, a central nozzle, an outer ring nozzle, a pressure spring and a damper, wherein the gas valve comprises a central air outlet pipe and an outer ring air outlet pipe; the burner comprises a burner head, a central fire cover and an outer ring fire cover made of silicon aluminum alloy, the burner head comprises a fire cover seat, a central ejector pipe and an outer ring ejector pipe, the central ejector pipe, the outer ring ejector pipe and the connecting seat are formed in one step, the air inlet end of the central ejector pipe is provided with a circular hole located on the axis and arc-shaped air inlet holes at both ends of a horizontal diameter line, the air inlet end of the outer ring ejector pipe is provided with a circular hole located on the axis and arc-shaped air inlet holes at both ends of a horizontal diameter line, the air inlet end of the outer ring ejector pipe is provided with a circular hole located on the axis and an arc-shaped air inlet hole ... The air end is provided with a circular hole located on the axis and arc-shaped air inlet holes at both ends of a horizontal diameter line; the damper is provided with a rotating hole located on the axis, arc-shaped air holes located above and below the rotating hole, a seat plate with positioning protrusions and a handle; the air outlet end of the central nozzle passes through a pressure spring and the rotating hole of the damper and extends into the central ejection tube, and the damper fits with the air inlet end of the central ejection tube; the air outlet end of the outer ring nozzle passes through a pressure spring and the rotating hole of the damper and extends into the outer ring ejection tube, and the damper fits with the air inlet end of the outer ring ejection tube; Features: The central nozzle comprises a central tube, an external threaded portion at the air inlet end of the central tube, a hexagonal driving portion adjacent to the external threaded portion for the rotating tool to rotate, and a central nozzle portion arranged at the air outlet end, wherein the central nozzle portion comprises a truncated cone compression chamber, a cylindrical chamber, and an inverted truncated cone diffusion chamber; The outer ring nozzle comprises an outer ring tube body, an external threaded portion provided at the air inlet end, a hexagonal driving portion adjacent to the external threaded portion for the rotating tool to rotate, and an outer ring nozzle portion provided at the air inlet end of the outer ring tube body, the outer ring nozzle portion comprises a truncated cone-shaped compression portion and a cylindrical compression portion; a radial air inlet hole is provided on the hexagonal driving portion and is connected to the outer ring tube body; The pressure spring is matched with the end of the hexagonal driving part.

2. A cooker assembly according to claim 1, Features: The lower ends of the diameter lines of the central ejector tube and the outer ring ejector tube perpendicular to the horizontal plane are provided with arc-shaped positioning seats, and a plurality of positioning holes are provided on the arc-shaped positioning seats; The positioning protrusion on the seat plate of the damper is engaged with the positioning hole for positioning.

3. The cooker assembly according to claim 1, Features: The top of the connection seat of the central ejector tube and the outer ring ejector tube is provided with two riveted posts and screw holes located between the riveted posts; It also includes a backfire protection cover plate, the front end of the backfire protection cover plate is provided with a folded edge, and the rear end is provided with a riveting hole and a connecting hole; The connecting seat supports the tempering protection cover plate, the riveting column passes through the riveting hole, and the screw passes through the connecting hole and is screwed into the screw hole.

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