Granular fuel barbecue oven

Abstract

The utility model relates to a granular fuel barbecue oven which comprises an oven frame. The oven frame further comprises a frame body, a side wall, a bottom plate, a fuel supply bin and a hearth, wherein the fuel supply bin and the hearth are arranged and fixed on the oven frame in parallel in a non-contact and spaced mode. The feeding mechanism is used for feeding the granular fuel in the fuel supply bin into the hearth; the barbecue plate assembly is detachably arranged above the hearth, and the barbecue plate assembly further comprises an oil receiving plate and a baking plate; the two storage plates are movably mounted on two opposite sides of the furnace frame; the four supporting legs are mounted at the bottom of the furnace frame and are adjustable in height; the hearth further comprises a furnace chamber, a combustion chamber and an ash collecting box; the ash collecting box is arranged at an opening below the combustion chamber; the openings in the two ends of the oven cavity are in the shape of a regular polygon or a circle, and the center points of the openings in the two ends of the oven cavity coincide with each other and are perpendicular to the ground when the granular fuel barbecue oven is vertically placed.

Description

Technical Field

[0001] The utility model relates to the technical field of barbecue ovens, in particular to a barbecue oven using biomass pellet fuel such as corn kernels, which is suitable for grilling foods such as meat, vegetables and fruits in environments such as homes, barbecue restaurants and outdoor camping. Background Art

[0002] As people's living standards improve, the types of food and beverages are gradually enriched. Barbecue is very popular nowadays. Barbecue ovens can be used to grill meat, vegetables, fruits, etc. In modern society, due to the various ways of using fire, the barbecue methods have gradually diversified, and various barbecue ovens, barbecue racks, etc. have been developed. However, the existing barbecue methods generally use charcoal barbecue methods and their corresponding products are mostly limited to meet the needs of grilling meat, vegetables, fruits, etc. in terms of structure, and cannot meet the needs of diversified and personalized food cooking and other functions. Existing barbecue racks and barbecue ovens have the disadvantages of being inconvenient to carry in the wild and difficult to place.

[0003] In view of this, the utility model proposes a barbecue grill that uses biomass pellet fuel such as corn kernels. The barbecue grill is easy to carry and has multiple functions. It can also meet the needs of quickly grilling delicious food that suits the taste buds and meet the current social requirements for energy conservation and environmental protection. Utility Model Content

[0004] The purpose of the utility model is to provide a barbecue grill using biomass pellet fuel such as corn kernels in view of the defects of the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides a pellet fuel barbecue stove, which is at least suitable for grilling food in a family, a barbecue restaurant, and an outdoor camping environment. The pellet fuel barbecue stove comprises a stove frame, which further comprises a frame body, a side wall, and a bottom plate in a frame structure, a fuel supply bin and a furnace both in a funnel shape, which are non-contacting, mutually spaced, and installed and fixed on the frame in parallel; a feeding mechanism for feeding the pellet fuel in the fuel supply bin into the furnace; a barbecue plate assembly detachably arranged above the furnace, and the barbecue plate assembly further comprises an oil receiving pan with an annular oil receiving groove and an oil receiving pan arranged on the oil receiving pan. a baking tray; two storage plates movably mounted on opposite sides of the grate; and four support legs mounted at the bottom of the grate and adjustable in height; the furnace further comprises a furnace cavity, a combustion chamber arranged at the opening below the furnace cavity, and a removable ash collection box arranged below the combustion chamber; the ash collection box is removably arranged at the opening below the combustion chamber through a combustion chamber pull-out opening on the side wall of the grate; the openings at both ends of the furnace cavity are either regular polygons or circles, and the center points of the openings at both ends of the furnace cavity are perpendicular to the ground and coincide with each other when the pellet fuel barbecue stove is placed upright when the center points are connected by a line connecting the center points.

[0006] Furthermore, an oil receiving pan support plate is further arranged around the upper opening of the furnace cavity, the oil receiving pan is a structure with a hollow center and the oil receiving groove formed around the center, and the oil receiving pan further includes an oil receiving groove bottom plate with a hollow center, an oil receiving groove inner side plate arranged around the hollow center of the oil receiving groove bottom plate, and an oil receiving groove outer side plate arranged around the outer side of the oil receiving groove bottom plate; the oil receiving groove bottom plate, the oil receiving groove inner side plate and the oil receiving groove outer side plate together enclose the oil receiving groove.

[0007] Furthermore, the oil receiving pan is further provided with an oil receiving pan cover plate which is removably mounted on the oil receiving groove.

[0008] Furthermore, the inner side plate of the oil receiving trough is further provided with a plurality of wok support plates evenly arranged around the inner side plate of the oil receiving trough, each of the wok support plates is in an inverted "V" shape and is further fixed to the inner side plate of the oil receiving trough; each of the wok support plates further includes a fixing portion and a supporting portion interconnected with the fixing portion, and the fixing portion is fixed to the inner side plate of the oil receiving trough, and the free end of the supporting portion is inclined downward and points to the furnace cavity.

[0009] Furthermore, the baking tray is disc-shaped, and further comprises a baking portion with a dome structure, an oil deflector formed integrally along the circumference of the baking portion, and at least one oil leakage notch arranged on the oil deflector.

[0010] Furthermore, the baking tray is mounted on the inner side plate of the oil collecting groove, and the baking tray is directly opposite to the position of the inner space in the middle of the oil collecting tray; the baking tray is further provided with a plurality of annularly arranged exhaust holes, and an annular protrusion is further correspondingly provided around the circumference of each exhaust hole.

[0011] Furthermore, fire baffles are arranged on the four sides of the combustion chamber, and the upper edge of the fire baffles is fixedly installed and sealed with the opening at the lower end of the furnace, and the lower edge of the fire baffles extends to the bottom plate of the grate; a volute fan is fixed on one of the fire baffles through a fan bracket installed and fixed on the grate, and the air outlet of the volute fan corresponds one-to-one with the air inlet arranged on the corresponding fire baffle.

[0012] Furthermore, the pellet fuel barbecue grill also includes an ignition rod fixed on one of the fire baffles, and the ignition rod extends into the bottom of the combustion chamber along the extraction direction of the ash collection box; a plurality of ash leakage holes are opened on the side wall and bottom plate of the combustion chamber.

[0013] Furthermore, the feeding mechanism at least includes a feeding pipe installed and fixed between the fuel supply bin and the furnace, a spiral pushing rod arranged in the feeding pipe and a feeding motor fixed at one end of the feeding pipe, and the output shaft of the feeding motor and one end of the spiral pushing rod are fixedly connected to each other; a feeding port is provided at one end of the feeding pipe, and the feeding port is matched and fixed at the lower opening of the fuel supply bin; the other end of the feeding pipe extends into the furnace cavity, and the end of the feeding pipe extending into the furnace cavity is located directly above the combustion chamber.

[0014] Furthermore, each of the supporting legs comprises a telescopic leg assembly mounted on the frame of the furnace rack, a gripping foot rotatably mounted on one end of the telescopic leg assembly, and a ball head universal joint arranged on the telescopic leg assembly and the gripping foot.

[0015] Furthermore, the telescopic leg assembly further includes a telescopic leg that is matched and nested with the tube body of the frame, a height adjuster arranged on the telescopic leg for adjusting the height of the pellet fuel barbecue grill, and a ball head fixed at the free end of the telescopic leg; the gripping foot further includes a foot plate, a ball cover arranged on the foot plate and cooperating with the ball head, and a plurality of gripping claws; the ball head and the ball cover together constitute the ball head universal joint.

[0016] Furthermore, the pellet fuel barbecue grill further includes an electrical control box arranged on the bottom plate of the stove frame, in which a power supply is arranged which is electrically connected to the ignition rod, the volute fan and the feeding motor respectively; a controller which is electrically connected to the ignition rod, the volute fan and the feeding motor respectively; a fire control switch which is used to control the firepower of the pellet fuel barbecue grill and is electrically connected to the controller; a barbecue grill control mode switch which is electrically connected to the controller and can realize three state modes: manual, off and automatic; an emergency power supply interface and a charging interface which are electrically connected to the power supply; a power display module which is arranged on the electrical control box and is electrically connected to the controller and the power supply; and a carbon monoxide sensor which is electrically connected to the controller.

[0017] To sum up, the pellet fuel barbecue grill provided by the utility model is characterized by being easy to carry, diverse functions and adaptable to uneven ground conditions at the placement location, while being able to meet the needs of quickly grilling delicious food that suits the taste buds, and being able to meet the current social requirements for energy conservation and environmental protection. At the same time, the furnace chamber adopts a funnel-shaped structural design, and the openings at both ends of the furnace cavity are either regular polygons or circles. The structural design in which the center points of the openings at both ends of the furnace cavity overlap with each other can effectively ensure the temperature balance of the entire furnace cavity when grilling food, and avoid uneven heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a three-dimensional schematic diagram of a pellet fuel barbecue stove.

[0019] Figure 2 It is a three-dimensional schematic diagram of a pellet fuel barbecue stove of the utility model in use state.

[0020] Figure 3 It is a side view of a pellet fuel barbecue stove of the utility model in use state.

[0021] Figure 4 It is a three-dimensional schematic diagram of a pellet fuel barbecue grill of the present invention with the oil pan cover, the grill pan and other components removed.

[0022] Figure 5 This is another three-dimensional schematic diagram of a pellet fuel barbecue grill according to the present invention with the grill pan and other components removed.

[0023] Figure 6 The utility model is a top view of a pellet fuel barbecue stove when it is not in use.

[0024] Figure 7 It is a three-dimensional schematic diagram of a pellet fuel barbecue grill of the present invention with the oil receiving pan, the oil receiving pan cover and the grill pan removed.

[0025] Figure 8 The utility model is a side view of some components of a pellet fuel barbecue stove.

[0026] Fig. 9 The utility model is a top view of some components of a pellet fuel barbecue stove.

[0027] Fig.10 The utility model is a three-dimensional schematic diagram of some components of a pellet fuel barbecue stove.

[0028] Fig.11 The utility model is a three-dimensional schematic diagram of a grill pan of a pellet fuel barbecue stove.

[0029] Fig.12 The utility model is a structural block diagram of the internal components of an electric control box of a grill pan of a pellet fuel barbecue stove. DETAILED DESCRIPTION

[0030] In order to explain the technical content, structural features, objectives and effects of the present invention in detail, embodiments are given below with reference to the accompanying drawings for detailed description.

[0031] Unless otherwise specified, all technical and scientific terms used in the embodiments of the present application have the same meaning as those generally understood by those skilled in the art of the present application. The terms used in the present application are only for the purpose of describing specific embodiments and are not intended to limit the scope of the present application. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0032] It should be noted that the directional words such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described based on the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it should also be understood that when it is mentioned that a component is connected to another component "upper" or "lower", it can not only be directly connected to another component "upper" or "lower", but also indirectly connected to another component "upper" or "lower" through an intermediate component.

[0033] See also Figures 1 to 11The utility model discloses a pellet fuel barbecue stove 100, which is suitable for grilling meat, vegetables, fruits and other foods in environments such as homes, barbecue restaurants, and outdoor camping. The pellet fuel barbecue stove 100 comprises a stove frame 1, and the stove frame 1 further comprises a frame body (not shown in the figure), a side wall 12 and a bottom plate 13 in a frame structure; a fuel supply bin 2 and a furnace 3 in a funnel shape, which are non-contacting, mutually spaced and installed side by side on the stove frame; a feeding mechanism 4 for feeding the pellet fuel in the fuel supply bin 2 into the furnace 3; a barbecue plate assembly 5 detachably arranged above the furnace 3, and the barbecue plate assembly 5 further comprises an oil receiving pan with an annular oil receiving groove 51 and a barbecue plate arranged on the oil receiving pan. Plate 53; two storage plates 6 movably mounted on opposite sides of the grate; and four support legs 7 mounted at the bottom of the grate 1 and adjustable in height; the furnace 3 further includes a furnace cavity 31, a combustion chamber 32 arranged at the opening below the furnace cavity 31, and a removable ash collection box 33 arranged below the combustion chamber 32, the ash collection box 33 is removably arranged at the opening below the combustion chamber 32 through a combustion chamber pull-out opening (not shown in the figure) on the side wall 12 of the grate 1; the openings at both ends of the furnace cavity 31 are either regular polygons or circles, and the center points of the openings at both ends of the furnace cavity 31 are perpendicular to the ground and coincide with each other when the pellet fuel barbecue stove is placed upright.

[0034] Each of the storage plates 6 can be folded by means of a foldable bracket 8 provided on the frame of the oven rack 1 and the storage plate 6 .

[0035] The furnace cavity 31 adopts a funnel-shaped structural design, and the openings at both ends of the furnace cavity 3 are either regular polygons or circles. The structural design in which the center points of the openings at both ends of the furnace cavity 31 coincide with each other can effectively ensure the temperature balance of the entire furnace cavity 31 when grilling food, avoid uneven heating, and maximize the utilization of the thermal efficiency of the entire pellet fuel barbecue stove 100.

[0036] Fire baffles 34 are arranged around the four sides of the combustion chamber 32, and the upper edges of the fire baffles 34 are fixedly installed and sealed with the lower opening of the furnace 3, and the lower edges of the fire baffles 34 extend to the bottom plate 13 of the furnace frame 1. A volute fan 36 is fixed to one of the fire baffles 34 through a fan bracket 35 fixed to the furnace frame 1, and the air outlet of the volute fan corresponds to the air inlet arranged on the corresponding fire baffle 34 (not shown in the figure).

[0037] The ash collection box 33 is designed as a removable structure, which is movably arranged on the bottom plate 13 of the furnace frame 1, mainly to facilitate the cleaning of ash after the combustion of pellet fuel. Furthermore, the pellet fuel barbecue stove 100 of the utility model also includes an ignition rod 9 fixed on one of the fire baffles 34, and the ignition rod 9 extends into the combustion chamber 32 along the extraction direction of the ash collection box 33. The ignition rod 9 is mainly used to ignite the pellet fuel. A plurality of ash leakage holes (not marked in the figure) are opened on the side wall and the bottom plate of the combustion chamber 32.

[0038] An oil receiving pan support plate 311 is further provided around the upper opening of the furnace chamber 31. The oil receiving pan is a structure with a hollow center and the oil receiving groove 51 formed around the circle. The oil receiving pan further includes an oil receiving groove bottom plate 521 with a hollow center, an oil receiving groove inner plate 522 provided around the hollow center of the oil receiving groove bottom plate 521, and an oil receiving groove outer plate 523 provided around the outer side of the oil receiving groove bottom plate 521. The oil receiving groove bottom plate 521, the oil receiving groove inner plate 522, and the oil receiving groove outer plate 523 together enclose the oil receiving groove 51. The oil receiving pan is further provided with an oil receiving pan cover plate 54 that is removably mounted on the oil receiving groove 51.

[0039] The inner plate 522 of the oil receiving tank is further provided with a plurality of wok support pieces 524 evenly arranged around the inner plate 522 of the oil receiving tank, and each wok support piece 524 is fixed to the inner plate 522 of the oil receiving tank in a substantially inverted "V" shape. Each wok support piece 524 further includes a fixing portion 5241 and a supporting portion 5242 interconnected with the fixing portion 5241, and the fixing portion 5241 is fixed to the inner plate 522 of the oil receiving tank, and the free end of the supporting portion 5242 is tilted downward and points to the oven cavity 31. The fixing portion 5241 can be fixed to the inner plate 522 of the oil receiving tank by any one of welding, fixing parts, etc.

[0040] The structural design of adding a wok support plate 524 to the oil receiving tray can effectively enhance the function of the pellet fuel barbecue grill 100 of the utility model, and meet the cooking needs of stewing and frying food during outdoor camping.

[0041] The feeding mechanism 4 at least includes a feeding pipe 41 installed and fixed between the fuel supply bin 2 and the furnace 3; a spiral push rod 42 arranged in the feeding pipe 41; and a feeding motor 43 fixed at one end of the feeding pipe 41, and the output shaft of the feeding motor 43 is fixedly connected to one end of the spiral push rod 42. A feeding port (not shown in the figure) is provided at one end of the feeding pipe 42, and the feeding port (not shown in the figure) is matched and fixed at the lower opening of the fuel supply bin 2; the other end of the feeding pipe 41 extends into the furnace cavity 31, and the end of the feeding pipe 41 extending into the furnace cavity 31 is located directly above the combustion chamber 32.

[0042] The baking tray 53 is roughly disc-shaped, and further comprises a baking portion 531 with a dome structure, an oil retaining ring 532 integrally formed along the circumference of the baking portion 531, and at least one oil leakage notch 533 arranged on the oil retaining ring 532. The baking tray 53 is mounted on the inner side plate 522 of the oil receiving groove, and the baking tray 53 is directly opposite to the position where the inner hollow of the middle part of the oil receiving tray is located. The baking tray 53 is further provided with a plurality of annularly arranged exhaust holes 534, and each of the exhaust holes 534 is further provided with an annular protrusion (not shown in the figure) corresponding to the circumference thereof. The provision of the annular protrusion (not shown in the figure) can effectively prevent the grease generated during grilling from entering the furnace 3.

[0043] Each of the supporting legs 7 includes a telescopic leg assembly 71 mounted on the frame of the stove frame 1, a gripping foot 72 rotatably mounted on one end of the telescopic leg assembly 71, and a ball head universal joint arranged on the telescopic leg assembly 71 and the gripping foot 72. Further, the telescopic leg assembly 71 further includes a telescopic leg 711 that is mutually matched and nested with the tube body of the frame; a height adjuster 712 arranged on the telescopic leg 711 for adjusting the height of the pellet fuel barbecue grill 100; and a ball head 713 fixed on the free end of the telescopic leg 711. The gripping foot 72 further includes a foot plate 721, a ball cover 722 arranged on the foot plate 721 and cooperating with the ball head 713, and a plurality of gripping claws 723. The ball head 713 and the ball cover 722 together constitute the ball head universal joint. By adjusting the height of the support leg 7 and adjusting the tilt direction of the support leg 7 through the ball head universal joint, the pellet fuel barbecue grill 100 of the utility model can effectively ensure that it adapts to the uneven ground conditions at the placement location, thereby achieving the purpose of rapid erection; and the foot plate 721 can effectively increase the contact area between the foot plate and the ground, and the gripping claw 723 can effectively improve the gripping force, thereby improving the placement stability of the entire pellet fuel barbecue grill 100.

[0044] The pellet fuel barbecue grill 100 of the present invention further comprises two handles (not shown in the figure) arranged on opposite side walls 12 of the grill frame 1 .

[0045] See also Fig.12 The pellet fuel barbecue grill 100 of the utility model further includes an electric control box 10 arranged on the bottom plate of the furnace frame, wherein the electric control box 10 is provided with a power supply 101 electrically connected to the ignition rod 9, the volute fan 36 and the feeding motor 43 respectively; a controller 102 electrically connected to the ignition rod 9, the volute fan 36 and the feeding motor 43 respectively; a fire control switch 103 for controlling the firepower of the pellet fuel barbecue grill 100 and electrically connected to the controller 102; a barbecue grill control mode switch 104 electrically connected to the controller 102 and capable of realizing three state modes: manual, shutdown and automatic; an emergency power supply interface 105 and a charging interface 106 electrically connected to the power supply 101; a power display module 107 arranged on the electric control box and electrically connected to the controller 102 and the power supply 101; and a carbon monoxide sensor 108 electrically connected to the controller 102.

[0046] In summary, the pellet fuel barbecue grill 100 provided by the utility model is characterized by being easy to carry, versatile in functions, and adaptable to uneven ground conditions at the placement location, while being able to meet the needs of quickly grilling delicious food that suits the taste buds, and being able to meet the current social requirements for energy conservation and environmental protection. At the same time, the furnace 3 adopts a funnel-shaped structure design, and the openings at both ends of the furnace cavity 31 are either regular polygons or circles. The structural design in which the center points of the openings at both ends of the furnace cavity 31 coincide with each other can effectively ensure the temperature balance of the entire furnace cavity 31 when grilling food, and avoid uneven heating.

[0047] As described above, these are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A pellet fuel barbecue stove, which is at least suitable for grilling food in a home, a barbecue restaurant, or an outdoor camping environment, the pellet fuel barbecue stove comprising a stove frame, the stove frame further comprising a frame structure, a side wall, and a bottom plate, a fuel supply bin and a furnace both in a funnel shape, which are non-contacting, mutually spaced, and installed and fixed on the frame in parallel; a feeding mechanism for feeding pellet fuel in the fuel supply bin into the furnace, characterized in that: The pellet fuel barbecue grill further includes a barbecue tray assembly detachably arranged above the furnace, and the barbecue tray assembly further includes an oil receiving tray with an annular oil receiving groove and a baking tray arranged on the oil receiving tray; two storage plates movably installed on opposite sides of the furnace frame; and four support legs installed at the bottom of the furnace frame and adjustable in height; the furnace further includes a furnace cavity, a combustion chamber arranged at the opening below the furnace cavity and a removable ash collection box arranged below the combustion chamber; the ash collection box is drawable and arranged at the opening below the combustion chamber through the combustion chamber draw-out opening on the side wall of the furnace frame; the openings at both ends of the furnace cavity are either regular polygons or circles, and the center points of the openings at both ends of the furnace cavity are perpendicular to the ground and coincide with each other when the pellet fuel barbecue grill is placed upright.

2. A pellet fuel barbecue grill according to claim 1, characterized in that: An oil receiving pan support plate is further arranged around the upper opening of the furnace cavity. The oil receiving pan is a structure with a hollow center and the oil receiving groove formed around the center. The oil receiving pan further includes an oil receiving groove bottom plate with a hollow center, an oil receiving groove inner side plate arranged around the hollow center of the oil receiving groove bottom plate, and an oil receiving groove outer side plate arranged around the outer side of the oil receiving groove bottom plate; the oil receiving groove bottom plate, the oil receiving groove inner side plate and the oil receiving groove outer side plate together enclose the oil receiving groove.

3. A pellet fuel barbecue grill according to claim 2, characterized in that: The oil receiving pan is further provided with an oil receiving pan cover plate which is removably mounted on the oil receiving groove.

4. A pellet fuel barbecue grill according to claim 2 or 3, characterized in that: The inner plate of the oil receiving groove is further provided with a plurality of wok support plates evenly arranged around the inner plate of the oil receiving groove, each of the wok support plates is in an inverted "V" shape and is further fixed to the inner plate of the oil receiving groove; each of the wok support plates further includes a fixing portion and a supporting portion interconnected with the fixing portion, and the fixing portion is fixed to the inner plate of the oil receiving groove, and the free end of the supporting portion is tilted downward and points to the furnace cavity.

5. A pellet fuel barbecue grill according to claim 2 or 3, characterized in that: The baking tray is disc-shaped, and further comprises a baking portion with a dome structure, an oil retaining ring integrally formed along the circumference of the baking portion, and at least one oil leakage notch arranged on the oil retaining ring.

6. A pellet fuel barbecue grill according to claim 5, characterized in that: The baking tray is mounted on the inner plate of the oil receiving groove, and the baking tray is directly opposite to the position of the inner space in the middle of the oil receiving tray; the baking tray is further provided with a plurality of annularly arranged exhaust holes, and an annular protrusion is further correspondingly provided around the circumference of each exhaust hole.

7. A pellet fuel barbecue grill according to claim 1, characterized in that: Fire baffles are arranged on the four sides of the combustion chamber, and the upper edges of the fire baffles are fixedly installed and sealed with the opening at the lower end of the furnace cavity, and the lower edges of the fire baffles extend to the bottom plate of the grate; a volute fan is fixed on one of the fire baffles through a fan bracket fixed on the grate, and the air outlet of the volute fan corresponds one-to-one with the air inlet arranged on the corresponding fire baffle.

8. A pellet fuel barbecue grill according to claim 7, characterized in that: The pellet fuel barbecue stove also includes an ignition rod fixed on one of the fire baffles, and the ignition rod extends into the bottom of the combustion chamber along the extraction direction of the ash collection box; a plurality of ash leakage holes are opened on the side wall and the bottom plate of the combustion chamber.

9. A pellet fuel barbecue grill according to claim 8, characterized in that: The feeding mechanism at least includes a feeding pipe installed and fixed between the fuel supply bin and the furnace, a spiral pushing rod arranged in the feeding pipe and a feeding motor fixed at one end of the feeding pipe, and the output shaft of the feeding motor and one end of the spiral pushing rod are fixedly connected to each other; a feeding port is provided at one end of the feeding pipe, and the feeding port is installed and fixed at the lower opening of the fuel supply bin; the other end of the feeding pipe extends into the furnace cavity, and the end of the feeding pipe extending into the furnace cavity is located directly above the combustion chamber.

10. A pellet fuel barbecue grill according to claim 1, characterized in that: Each of the supporting legs comprises a telescopic leg assembly mounted on the frame of the furnace frame, a gripping foot rotatably mounted on one end of the telescopic leg assembly, and a ball head universal joint arranged on the telescopic leg assembly and the gripping foot.

11. A pellet fuel barbecue grill according to claim 10, characterized in that: The telescopic leg assembly further includes a telescopic leg that is matched and nested with the tube body of the frame, a height adjuster arranged on the telescopic leg for adjusting the height of the pellet fuel barbecue grill, and a ball head fixed at the free end of the telescopic leg; the gripping foot further includes a foot plate, a ball cover arranged on the foot plate and cooperating with the ball head, and a plurality of gripping claws; the ball head and the ball cover together constitute the ball head universal joint.

12. A pellet fuel barbecue grill according to claim 9, characterized in that: The pellet fuel barbecue grill further includes an electrical control box arranged on the bottom plate of the stove frame, in which a power supply is arranged which is electrically connected to the ignition rod, the volute fan and the feeding motor respectively; a controller which is electrically connected to the ignition rod, the volute fan and the feeding motor respectively; a fire control switch which is used to control the firepower of the pellet fuel barbecue grill and is electrically connected to the controller; a barbecue grill control mode switch which is electrically connected to the controller and can realize manual, off and automatic state mode regulation; an emergency power supply interface and a charging interface which are electrically connected to the power supply; a power display module which is arranged on the electrical control box and is electrically connected to the controller and the power supply; and a carbon monoxide sensor which is electrically connected to the controller.

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