Outdoor gas furnace

Abstract

An outdoor gas furnace comprises a furnace shell, a top cover plate, a bottom cover plate, a combustion body, an injection pipe, a nozzle, a gas inlet seat, a gas adjusting valve, an ignition needle, an igniter and a pot support, the top cover plate is embedded into the furnace shell and fixed to a supporting plate, the bottom cover plate is embedded into the furnace shell and fixed to a fixing seat, the gas adjusting valve is fixed to a front wall plate of the furnace shell, and a valve rod extends out to be fixed to a rotary knob; the gas inlet seat is arranged on the bottom cover plate, the nozzle is arranged on the gas inlet seat, the lower end of the injection pipe is connected with the gas inlet seat, the upper end of the injection pipe extends out of the through hole and is communicated with the combustion main body, the ignition needle is fixed with the top cover plate and is matched with the combustion main body, and the igniter is arranged at the lower part of the front wall plate; the pot support is embedded in the furnace shell, and the top cover plate supports the pot support and is detachably matched with the pot support. The ignition needle, the igniter and the furnace shell are integrated, and use is convenient; the gap between the pot support and the top cover plate and the gap between the injection pipe and the through hole supplement secondary air and are not affected by the wind direction, and combustion is sufficient.

Description

Technical Field

[0001] The utility model relates to a stove, in particular to an outdoor gas stove. Background Art

[0002] In the current prior art, Chinese Patent No. 202321329068.5, a gas passage structure of an outdoor barbecue stove, includes a barbecue stove, an exhaust pipe is arranged on the barbecue stove, a spline shaft is rotatably and slidably arranged on the barbecue stove, a cavity is arranged inside the barbecue stove, one end of the spline shaft is fixedly provided with a knob, and the other end is placed inside the cavity of the barbecue stove. A gas pipe is arranged on the barbecue stove, and a connecting component is arranged on the barbecue stove. The connecting component includes a sealing pipe sleeve and a movable pipe. The movable pipe is slidably arranged on the sealing pipe sleeve. A gas through hole is arranged on the movable pipe, and an adjusting component is arranged inside the cavity of the barbecue stove. Through the connecting component, the exhaust pipe is connected to the gas pipe connecting the gas cylinder. The movable pipe is slidably arranged on the sealing pipe sleeve of the connecting component, and the two cooperate to control the opening and closing of the gas. A plurality of gas through holes are arranged on the movable pipe, and the opening amount of the gas through holes is controlled by sliding the movable pipe, so as to control the gas flow rate and further control the flame size. Problems exist: insufficient secondary air, and an additional tool is required for ignition. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an outdoor gas stove, which has the characteristics of sufficient secondary air and convenient ignition.

[0004] The utility model is realized as follows: an outdoor gas stove, which is characterized in that: it includes a furnace shell, a top cover plate, a bottom cover plate, a combustion main body, an ejector pipe, a nozzle, an air intake seat, a gas regulating valve, an ignition needle, an igniter and a pot support.

[0005] The furnace shell is in a cube shape, including a top air inlet groove, a bottom air inlet groove and / or air inlet holes provided on the wall plate, a support plate provided inside the upper part and a fixing plate provided inside the lower part.

[0006] A through hole is provided in the center of the top cover plate, a primary air hole is provided on the bottom cover plate, and an air ejecting hole is provided at the lower part of the ejector pipe.

[0007] The top cover plate is embedded inside the upper end of the furnace shell and the support plate is fixed. The bottom cover plate is embedded inside the upper end of the furnace shell and fixed to the fixing seat. The gas regulating valve is fixed to the front wall plate of the furnace shell, and the valve rod extends out and is fixed to the knob. The air intake seat is arranged on the bottom cover plate, the nozzle is arranged on the air intake seat, the lower end of the ejector pipe is connected to the air intake seat, and the upper end extends through the through hole and is communicated with the combustion main body. The ignition needle is fixed to the top cover plate and cooperates with the combustion main body. The igniter is arranged at the lower part of the front wall plate. The pot support is embedded inside the furnace shell, and the top cover plate supports the pot support and is detachably matched. Secondary air enters the pot support through the top air inlet groove and the gap between the pot support and the top cover plate to provide secondary air for the combustion main body.

[0008] The described outdoor gas stove is characterized in that: an internal thread is provided at the lower end of the ejector pipe;

[0009] The air inlet seat is provided with an external thread head with a hollow upper opening, the nozzle is arranged on the external thread head, and the internal thread of the ejector pipe is screwed with the external thread head.

[0010] The described outdoor gas stove is characterized in that: there is a gap between the combustion main body and the top cover plate, and the gap between the ejector pipe and the through hole forms an annular secondary air passage.

[0011] The described outdoor gas stove is characterized in that: air inlet holes are provided on the circumferential wall plate of the furnace shell.

[0012] The described outdoor gas stove is characterized in that: pin holes are provided at the corners of the top cover plate; the pot support includes a cube-shaped energy-gathering cover and four support feet,

[0013] The lower end of the wall plate of the energy-gathering cover is provided with a cover bottom groove and an inner folding plate,

[0014] The support feet include a top horizontal plate part and a vertical plate part, and a pin plate is provided at the lower end of the vertical plate part;

[0015] The vertical plate part is fixed to the corner of the energy-gathering cover, the pin plate is inserted into the pin hole, and the top cover plate supports the vertical plate part.

[0016] The described outdoor gas stove is characterized in that: the combustion main body includes a base with an upper opening and a burner cap,

[0017] An air inlet hole is provided at the center of the base, the burner cap includes a bottom inverted frustum cavity, a middle inverted conical cavity, a top circular ring plate, vertical combustion holes and left-handed or right-handed combustion holes, the vertical combustion holes are provided on the bottom plate of the bottom inverted frustum-shaped cavity, and the left-handed or right-handed combustion holes penetrate through the circumferential wall plate of the bottom inverted frustum cavity, the middle inverted conical cavity and the top plate of the top circular ring plate;

[0018] The burner cap is buckled and fixed to the base, and the upper end of the ejector pipe is screwed with the air inlet hole and supports the base.

[0019] The described outdoor gas stove is characterized in that: an annular protrusion surrounding the air inlet hole is provided on the base.

[0020] The described outdoor gas stove is characterized in that: the vertical combustion holes are distributed in a circular ring shape. The described outdoor gas stove is characterized in that: the support plate and the fixing plate are made by punching and bending the furnace shell wall plate.

[0021] The utility model relates to an outdoor gas stove, in which an ignition needle, an igniter and a furnace shell are integrated, which is convenient to use; the gaps between the pot support and the top cover plate, and between the ejector pipe and the through hole supplement secondary air, which is not affected by the wind direction and burns fully. Brief Description of the Drawings

[0022] Figure 1 is a cross-sectional view of the utility model.

[0023] Figure 2 is a perspective view of the utility model.

[0024] Figure 3 is one of the exploded perspective views of the utility model.

[0025] Figure 4 is the second exploded perspective view of the utility model.

[0026] Figure 5 is the third exploded perspective view of the utility model.

[0027] Figure 6 is the fourth exploded perspective view of the utility model.

[0028] Figure 7 is one of the exploded perspective views of the combustion main body of the utility model.

[0029] Figure 8 is the second exploded perspective view of the combustion main body of the utility model. Detailed Description of the Embodiments

[0030] The embodiments of the utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model and should not be construed as a limitation of the utility model.

[0031] In the description of the utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" 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, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific situations.

[0032] Such as Figure 1 , Figure 3 , Figure 5As shown in the figure, an outdoor gas stove includes a stove shell 1, a top cover plate 21, a bottom cover plate 22, a combustion main body 3, an ejector pipe 4, a nozzle 5, an air inlet seat 6, a gas regulating valve 7, an ignition needle 81, an igniter 82, and a pot support 9.

[0033] The stove shell 1 is in the shape of a cube with openings at the top and bottom, and includes a top air inlet groove 1A, a bottom air inlet groove 1B and / or air inlet holes 1E provided on the wall plate, a support plate 1C provided inside the upper part, and a fixing plate 1D provided inside the lower part.

[0034] A through hole is provided at the center of the top cover plate 21, a primary air hole 221 is provided on the bottom cover plate 22, and an air ejection hole 41 is provided at the lower part of the ejector pipe 4.

[0035] The bottom air inlet groove 1B matches the primary air hole 221.

[0036] The top cover plate 21 is embedded inside the upper end of the stove shell 1 and the support plate 1C is fixed. The bottom cover plate 22 is embedded inside the upper end of the stove shell 1 and fixed to the fixing plate 1D. The gas regulating valve 7 is fixed to the front wall plate of the stove shell 1, and the valve stem extends out and is fixed to the knob 71. The air inlet seat 6 is provided on the bottom cover plate 22, the nozzle 5 is provided on the air inlet seat 6. The lower end of the ejector pipe 4 is connected to the air inlet seat 6, and the upper end extends out through the through hole and is communicated with the combustion main body 3. The ignition needle 81 is fixed to the top cover plate 21 and cooperates with the combustion main body 3. The igniter 82 is provided at the lower part of the front wall plate. The pot support 9 is embedded inside the upper end of the stove shell 1, and the top cover plate 21 supports the pot support 9 and is detachably fitted. Secondary air enters the pot support 9 through the top air inlet groove 1A and the gap between the pot support 9 and the top cover plate 21 to provide secondary air for the combustion main body 3.

[0037] With such a design, the primary air enters through the air inlet holes 1E of the stove shell 1 to provide the primary air; or the primary air enters through the bottom air inlet groove 1B and the primary air hole 221 to provide the primary air.

[0038] As a further improvement of the present utility model: The lower end of the ejector pipe 4 is provided with an internal thread.

[0039] The air inlet seat 6 is provided with an externally threaded head 61 with a hollow upper opening. The nozzle 5 is provided on the externally threaded head 61, and the internal thread of the ejector pipe 4 is screwed with the externally threaded head 61.

[0040] As a further improvement of the present utility model: There is a gap between the combustion main body 3 and the top cover plate 21. The gap between the ejector pipe 4 and the through hole on the top cover plate 21 forms an annular secondary air channel. The secondary air moves upward inside the stove shell, passes through the annular secondary air gap and the gap between the combustion main body and the top cover plate to provide secondary air.

[0041] Pin holes 211 are provided at the corners of the top cover plate 21.

[0042] The pot support 9 includes a square - shaped energy - concentrating cover 91 and four support feet 92.

[0043] At the lower end of the wall plate of the energy - concentrating cover 91, there are a cover bottom groove 911 and an inner folding plate 912. The inner folding plate has an acute - angle with the lower horizontal plane.

[0044] The support foot 92 includes a top horizontal plate part 921 and a vertical plate part 922. At the lower end of the vertical plate part 922, there is a pin plate 9221.

[0045] The vertical plate part 922 is fixed to the corner of the energy - concentrating cover 91. The pin plate 9221 is inserted into the pin hole 211, and the top cover plate 21 supports the vertical plate part 922. Secondary air enters the energy - concentrating cover 91 through the top air inlet groove 1A and the gap between the inner folding edge 912 and the top cover plate 21.

[0046] The combustion main body 3 includes an upper - opening base 31 and a burner cap 32.

[0047] At the center of the base 31, there is an air inlet hole 311. The burner cap 32 includes a bottom inverted frustum - shaped cavity 321, a middle inverted conical cavity 322, a top circular - ring plate 323, vertical combustion holes 324, and left - hand or right - hand spiral combustion holes 325. The vertical combustion holes 324 are provided on the bottom plate of the bottom inverted frustum - shaped cavity 321. The left - hand or right - hand spiral combustion holes 325 penetrate through the circumferential wall plate of the bottom inverted frustum - shaped cavity 321, the middle inverted conical cavity 322, and the top circular - ring plate 323.

[0048] The burner cap 32 is fastened and fixed to the base 31, and there is a gap between the bottom plate of the bottom inverted frustum - shaped cavity 321 and the bottom plate of the inner cavity of the base 31. The upper end of the ejector tube 4 is screwed to the air inlet hole 311 and supports the base 31.

[0049] As a further improvement of the present utility model: There is an annular protrusion 312 around the air inlet hole 311 on the base 31 to prevent liquid entering the base 31 from flowing to the nozzle through the upper end of the ejector tube 4 and blocking the nozzle.

[0050] As a further improvement of the present utility model: The vertical combustion holes 324 are distributed in a circular - ring shape, and no vertical combustion holes 324 are provided at the position of the bottom plate of the bottom inverted frustum - shaped cavity 321 opposite to the upper end of the ejector tube to prevent liquid from entering the ejector tube through the vertical combustion holes.

[0051] On the bottom plate of the bottom inverted frustum - shaped cavity 321, there are support column seats, and the support column seats are in supporting cooperation with the bottom plate of the inner cavity of the base 31 and are fixed by screws.

[0052] The support plate 1C and the fixing plate 1D are made by punching and bending the wall plate of the furnace shell 1.

[0053] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. An outdoor gas stove, characterized in that: It includes furnace shell, top cover plate, bottom cover plate, combustion body, ejector pipe, nozzle, air inlet seat, gas regulating valve, ignition needle, igniter and pot support. The furnace shell is in a cube shape, including a top air inlet slot, a bottom air inlet slot and / or an air inlet hole arranged on the wall plate, a support plate arranged in the upper part and a fixing plate arranged in the lower part. A through hole is provided at the center of the top cover plate, a primary air hole is provided on the bottom cover plate, and an air ejection hole is provided at the lower part of the ejection pipe; The top cover plate is embedded in the upper end of the furnace shell and is fixed with the support plate, the bottom cover plate is embedded in the upper end of the furnace shell and is fixed with the fixing seat, the gas regulating valve is fixed with the front wall plate of the furnace shell, and the valve stem is extended and fixed with the knob; the air intake seat is arranged on the bottom cover plate, the nozzle is arranged on the air intake seat, the lower end of the ejector pipe is connected with the air intake seat, the upper end is extended through the through hole and is connected with the combustion body, the ignition needle is fixed with the top cover plate and cooperates with the combustion body, and the igniter is arranged at the lower part of the front wall plate; the pot bracket is embedded in the furnace shell, the top cover plate supports the pot bracket and is detachable and matched, and the secondary air enters the pot bracket through the top air inlet groove and the gap between the pot bracket and the top cover plate to provide secondary air for the combustion body.

2. An outdoor gas stove according to claim 1, characterized in that: The lower end of the ejector tube is provided with an internal thread; The air inlet seat is provided with a hollow external thread head with an upper opening, the nozzle is arranged on the external thread head, and the internal thread of the ejection tube is screwed with the external thread head.

3. An outdoor gas stove according to claim 1, characterized in that: There is a gap between the combustion body and the top cover plate, and the gap between the ejector pipe and the through hole forms an annular secondary air channel.

4. An outdoor gas stove according to claim 1, characterized in that: The corners of the top cover plate are provided with pin holes; the pot support comprises a cube-shaped energy-gathering cover and four supporting feet. The lower end of the wall plate of the energy-gathering hood is provided with a hood bottom groove and an inner folding plate. The support foot comprises a top horizontal plate portion and a vertical plate portion, and a pin plate is provided at the lower end of the vertical plate portion; The vertical plate portion is fixed to the corner of the energy gathering cover, the pin plate is plugged into the pin hole, and the top cover plate supports the vertical plate portion.

5. The outdoor gas stove according to claim 1, characterized in that: The combustion body comprises an upper opening base and a fire cover. An air inlet hole is arranged at the center of the base, and the fire cover comprises a bottom inverted truncated cone cavity, a middle inverted conical cavity, a top circular annular plate, a vertical combustion hole, and a left-handed or right-handed combustion hole. The vertical combustion hole is arranged on the bottom plate of the bottom inverted truncated cone cavity, and the left-handed or right-handed combustion hole penetrates the circumferential wall plate of the bottom inverted truncated cone cavity, the middle inverted conical cavity, and the top plate of the top circular annular plate. The fire cover is buckled and fixed with the base, and the upper end of the ejector tube is screwed with the air inlet and supports the base.

6. An outdoor gas stove according to claim 5, characterized in that: The base is provided with an annular protrusion surrounding the air inlet hole.

7. An outdoor gas stove according to claim 5 or 6, characterized in that: The vertical combustion holes are distributed in a circular shape.

8. An outdoor gas stove according to claim 1, 2, 3, 4, 5 or 6, characterized in that: The supporting plate and the fixing plate are made by punching and bending the furnace shell wall plate.

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