Multi-layer rotary barbecue oven

Abstract

In the using process of the multi-layer rotary barbecue oven, firstly, a charcoal barrel (containing burning charcoal) is placed in an oven body; the lower end of a barbecue stick (strung with food materials) is tightly inserted into the rotating sleeve, the upper end of the barbecue stick is limited through a limiting groove, and the barbecue rack is mounted on the mounting rack; then the rotating sleeve of the grill is driven by the driving mechanism to rotate, so that the barbecue sticks (strung with the food materials) rotate, and uniform heating is achieved; the distance between the mounting frame and the charcoal barrel can be adjusted through the adjusting mechanism, so that the barbecuing temperature of the barbecuing sticks (stringed with food materials) is adjusted; meanwhile, due to the linkage arrangement of the air blowing mechanism and the driving mechanism, in the process of driving barbecue sticks (strung with food materials) to rotate, the combustion efficiency of charcoal can be improved through air blowing, harmful emission can be reduced, the heat value utilization rate of the charcoal can be improved, and the concept of energy conservation and environmental protection is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of kitchen equipment, in particular to a multi-layer rotary barbecue oven. BACKGROUND

[0002] The multi-layer rotary barbecue oven is a barbecue equipment combining dynamic rotation and layered structure, which is designed to improve the uniformity of roasting and the convenience of operation. It adopts a multi-layer grill design, each layer is equipped with independent rotation function, and the grill is driven to rotate at a constant speed by the built-in motor. Food can be evenly heated to avoid local charring.

[0003] For example, a rotary multi-layer high-efficiency energy-saving barbecue oven is disclosed in Chinese Patent No. CN115251721A, published on November 1, 2022, which includes a barbecue grill and a barbecue tray. A handle is provided on the barbecue tray to facilitate the taking and placing of the barbecue tray. A plurality of barbecue grills are arranged in parallel, and the barbecue grills are symmetrically distributed. The bottom of the groove is provided with an oil drain hole. Specifically, a plurality of barbecue grills are evenly distributed on the rotating disc. The rotation of the rotating disc will constantly change the position of the barbecue grills to achieve the purpose of roasting the barbecue grills close to the fire source and taking out the food after roasting and preparing new food for the barbecue grills away from the fire source.

[0004] However, in the above-mentioned comparative patent, the distance between the rotating disc being roasted and the fire source cannot be adjusted, so the temperature during the roasting process cannot be adjusted. If the temperature is too low, the roasting efficiency will be low, and if the temperature is too high, the roasting will be burnt, which will ultimately affect the roasting efficiency or the roasting quality. SUMMARY

[0005] The purpose of the present application is to provide a multi-layer rotary barbecue oven which has the function of conveniently adjusting the roasting temperature.

[0006] The above technical purpose of the present application is realized by the following technical scheme: a multi-layer rotary barbecue oven, comprising a furnace body, a charcoal barrel which is detachably arranged in the middle of the furnace body, a plurality of mounting racks which are arranged in a circumferential array in the furnace body, the mounting racks are movably arranged in the furnace body along the radial direction of the furnace body, and an adjusting mechanism which adjusts the distance between the mounting racks and the charcoal barrel is arranged between the mounting racks and the furnace body; an arc-shaped barbecue grill is detachably connected to the mounting rack, a plurality of arc-shaped rotating sleeves are rotatably connected to the bottom of the barbecue grill, a plurality of limiting grooves corresponding to the rotating sleeves are arranged on the top of the barbecue grill, the lower end of the barbecue stick is tightly inserted into the rotating sleeve, and the upper end is limited by the limiting groove; a driving mechanism which drives the rotating sleeves of the plurality of barbecue grills to rotate during the movement of the mounting racks is arranged in the furnace body; and an air blowing mechanism which blows air into the charcoal barrel during the operation of the driving mechanism is arranged between the furnace body, the driving mechanism and the charcoal barrel.

[0007] By adopting the above technical scheme, during use of the multi-layer rotary barbecue oven, first, the charcoal barrel (containing burning charcoal) is placed in the oven body; then the lower end of the barbecue stick (containing food materials) is tightly inserted into the rotating sleeve and the upper end is limited by the limiting groove, and the barbecue grill is installed on the mounting frame; then the rotating sleeve of the barbecue grill is driven to rotate by the driving mechanism, so that the barbecue stick (containing food materials) rotates to achieve uniform heating; and during the barbecue process, the spacing between the mounting frame and the charcoal barrel can be adjusted by the adjusting mechanism to adjust the barbecue temperature of the barbecue stick (containing food materials); at the same time, the linkage of the air blowing mechanism and the driving mechanism can improve the combustion efficiency of the charcoal during the rotation of the barbecue stick (containing food materials), which can reduce harmful emissions and improve the heat value utilization rate of the charcoal, in line with the concept of energy saving and environmental protection. In addition, the oil produced during the barbecue process will not drip into the charcoal barrel, which can reduce the generation of oil smoke.

[0008] Further provided by the application is that the periphery of the oven body is provided with a square outer cylinder, a heat insulation cavity is arranged between the outer cylinder and the oven body, and an annular cover plate is arranged between the top of the oven body and the outer cylinder to open or close the heat insulation cavity; the adjusting mechanism comprises a plurality of telescopic shafts arranged at one end of the mounting frame and at the other end of the oven body, a threaded pipe arranged between the outer cylinder and the oven body and achieving communication between the inside and outside of the oven body, an adjusting screw rod rotatably connected at one end of the mounting frame and threadedly connected with the threaded pipe, and an adjusting hand wheel arranged at one end of the adjusting screw rod located outside the oven body, and the other end of the telescopic shaft is located in the heat insulation cavity for telescopic movement.

[0009] By adopting the above technical scheme, first, the arrangement of the outer cylinder forms a heat insulation cavity with the oven body, which has good heat insulation effect; when the position of the mounting frame is adjusted by the adjusting mechanism, the end of the telescopic shaft of the adjusting mechanism away from the mounting frame is located in the heat insulation cavity for telescopic movement, avoiding the safety hazard caused by the telescopic shaft protruding outside the outer cylinder; and during use of the adjusting mechanism, the position of the mounting frame can be adjusted by rotating the adjusting hand wheel, so as to adjust the spacing between the barbecue grill and the charcoal, thereby adjusting the barbecue temperature.

[0010] Further provided by the application is that the lower end of the rotating sleeve penetrates through the bottom of the barbecue grill, the lower end of the rotating sleeve is provided with a driven gear, the oven body is provided with an arc-shaped groove communicating with the heat insulation cavity at the bottom of the barbecue grill, and the periphery of the outer cylinder is provided with a sliding groove communicating with the heat insulation cavity; the driving mechanism comprises a plurality of arc-shaped racks respectively slidably connected to the barbecue grill and engaged with the plurality of driven gears, a plurality of driving arms arranged at one end of the arc-shaped racks and penetrating into the heat insulation cavity from the arc-shaped groove at the other end, and a swing assembly achieving simultaneous reciprocating swing of the plurality of driving arms; when the driving arm reciprocates once, the arc-shaped rack drives the driven gear to rotate forward and reverse for one circle.

[0011] The further arrangement of the present application is that the swing assembly comprises a rotating gear ring rotatably connected in the annular cavity, a plurality of linkage sleeves arranged on the rotating gear ring and sleeved on the driving arms respectively, a sliding seat slidingly arranged on the sliding groove, a driving rack arranged on the sliding seat and engaged with the rotating gear ring, and an electric push rod arranged between the outer cylinder and the sliding seat and driving the sliding seat to reciprocate.

[0012] By adopting the above technical scheme, during the reciprocating movement of the electric push rod, the sliding seat and the driving rack drive the rotating gear ring to reciprocate, the rotating gear ring drives the driving arm and the arc-shaped rack to reciprocate, and the arc-shaped rack drives the driven gear to reciprocate. The angle of reciprocating movement of the driven gear is 360 degrees, so that the rotating sleeves on the plurality of barbecue grills can be driven to reciprocate, the barbecue skewers (with food materials) can be driven to reciprocate, and the heating uniformity during barbecue is improved. Meanwhile, the arrangement of the arc-shaped rack, the driving arm, the rotating gear ring and the linkage sleeve of the driving mechanism ensures that the telescopic arrangement of the mounting frame is not affected during the reciprocating movement of the plurality of arc-shaped racks.

[0013] The further arrangement of the present application is that the middle part of the furnace body is provided with an upwardly extending air outlet pipe, a plurality of air outlet holes are arranged on the circumferential side of the air outlet pipe, and the middle part of the charcoal barrel is provided with a sleeving part sleeved on the air outlet pipe during downward installation. The air blowing mechanism comprises an air cylinder arranged on the outer cylinder, a push-pull air plate telescopically arranged in the air cylinder, and a push-pull handle arranged at one end of the push-pull air plate and extending out of the air cylinder. The bottom of the air cylinder is provided with an air outlet channel, the bottoms of the two ends of the air cylinder are provided with air outlet check valves communicating with the air outlet channel, the two ends of the air cylinder are provided with air inlet check valves, the outer cylinder is provided with a ventilation pipeline communicating the air outlet channel and the air outlet pipe, and the sliding seat is fixedly connected with the push-pull handle.

[0014] By adopting the above technical scheme, during the reciprocating movement of the electric push rod, the sliding seat drives the push-pull handle to reciprocate, thereby driving the push-pull air plate to reciprocate. During the reciprocating movement of the push-pull air plate, air enters from one of the air inlet check valves, is discharged from the air outlet check valves to the air outlet channel, and is introduced into the air outlet pipe through the ventilation pipeline, so as to realize air blowing and oxygen delivery from the inside of the charcoal cylinder, thereby improving the combustion efficiency of charcoal, reducing harmful emissions, improving the calorific value utilization rate of charcoal, and meeting the concept of energy saving and environmental protection.

[0015] The further arrangement of the present application is that the bottom of the furnace body is provided with an annular water collecting tray surrounding the bottom of the charcoal barrel, the furnace body is provided with a water injection pipe connected to the annular water collecting tray, and the bottom of the furnace body is provided with a drain pipe for draining water in the water collecting tray.

[0016] By adopting the above technical scheme, the annular water collecting tray is arranged, so that the oil and moisture in the barbecue process can all drip into the annular water collecting tray, the barbecue furnace is kept clean, and the oil fume is reduced.

[0017] The further arrangement of the present application is that the periphery of the annular water collecting tray is provided with an annular overflow groove, the drain pipe is communicated with the annular overflow groove, the lower end of the air outlet pipe is provided with a lifting sleeve in ascending and descending manner, the lower end of the air outlet pipe is sleeved with a compression spring with two ends abutting against the inner bottom of the furnace body and the lifting sleeve, an annular rubber water draining piece is arranged between the lifting sleeve and the edge of the annular water collecting tray, when the charcoal barrel is installed and the lifting sleeve is pressed down, the annular rubber water draining piece is immersed in the water in the annular water collecting tray, when the charcoal barrel is removed, the lifting sleeve moves upward under the resetting action of the compression spring and makes one end of the annular rubber water draining piece connected with the lifting sleeve higher than the edge of the annular water collecting tray, and the water in the annular water collecting tray flows out into the annular overflow groove along the annular rubber water draining piece.

[0018] By adopting the above technical scheme, in the barbecue process, the charcoal barrel is first installed on the air outlet pipe, the charcoal barrel presses the lifting sleeve downward against the action of the compression spring, the annular flexible rubber water draining piece is deformed and located in the annular water collecting tray, then water is injected into the annular water collecting tray through the water injection pipe, and the excess water is drained along the annular overflow groove and the drain pipe; after the barbecue is finished and the charcoal barrel is removed for cleaning, the lifting sleeve moves upward under the resetting action of the compression spring and makes one end of the annular rubber water draining piece connected with the lifting sleeve higher than the edge of the annular water collecting tray, and the water in the annular water collecting tray flows out into the annular overflow groove along the annular rubber water draining piece, thereby realizing the function of automatic drainage.

[0019] The further arrangement of the present application is that the top of the mounting frame is provided with a plurality of positioning shafts, the bottom of the mounting frame is provided with a bottom supporting plate, the side of the barbecue grill is provided with a handle for taking, the handle is provided with a plurality of positioning holes sleeved on the positioning shafts when the mounting frame is placed vertically downward, and the lower end of the barbecue grill is placed on the bottom supporting plate.

[0020] By adopting the above technical scheme, in the barbecue process, the barbecue grill needs to be taken frequently for operations such as brushing oil, placing and taking barbecue sticks (with food materials), the mounting frame is provided with a plurality of positioning shafts at the top, the mounting frame is provided with a bottom supporting plate at the bottom, the handle is provided with a plurality of positioning holes sleeved on the positioning shafts when the mounting frame is placed vertically downward, and the lower end of the barbecue grill is placed on the bottom supporting plate, thereby having the effect of conveniently taking and installing the barbecue grill.

[0021] Further arrangement of the present application: the annular cover plate is provided with an annular pipeline, the outer side of the upper end of the furnace body is provided with a plurality of suction holes in a circular array, the inner circle of the annular pipeline is provided with a plurality of docking interfaces communicating with the suction holes, the outer cylinder is provided with an air extractor communicating with the annular pipeline, the air inlet end of the air extractor is provided with a filter, the outer cylinder is provided with a controller electrically connected with the electric push rod and the air extractor, and the outer cylinder is provided with a power plug electrically connected with the controller.

[0022] By adopting the above technical scheme, during the barbecue process, the air extractor, the filter and the annular pipeline can realize suction and filtration of the gas at the top of the furnace body, so as to reduce the emission of harmful gas and meet the concept of green environmental protection.

[0023] The present application has the advantages that: the rotation of the barbecue grill is driven by the driving mechanism, so that the barbecue skewers (with food materials) are rotated to achieve uniform heating; during the barbecue process, the distance between the mounting frame and the charcoal barrel can be adjusted by the adjusting mechanism, so that the barbecue temperature of the barbecue skewers (with food materials) is adjusted; at the same time, the air blowing mechanism is connected with the driving mechanism, which can improve the combustion efficiency of charcoal during the rotation of the barbecue skewers (with food materials), reduce harmful emissions, improve the heat value utilization rate of charcoal, meet the concept of energy saving and environmental protection, and prevent oil from dripping into the charcoal barrel during the barbecue process, thereby reducing the generation of oil fume. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 is a structural schematic diagram of the present application;

[0026] Figure 2 is a front view of the present application;

[0027] Figure 3 is a partial structural sectional view of the present application;

[0028] Figure 4 is a partial structural schematic diagram of the present application after the annular cover plate of the outer cylinder is opened;

[0029] Figure 5 is Figure 3 is a partial enlarged view of A in the above figure;

[0030] Figure 6is a partial structure schematic diagram of the air blowing mechanism in the application;

[0031] Figure 7 is a partial structure schematic diagram of the mounting rack, the barbecue rack and the driving mechanism in the application;

[0032] Figure 8 is Figure 7 a structure schematic diagram of another perspective.

[0033] In the figure: 1, furnace body; 1.1, arc-shaped groove; 1.2, suction hole; 2, charcoal bucket; 21, sleeve joint; 3, mounting rack; 31, positioning shaft; 32, bottom supporting plate; 4, adjusting mechanism; 41, telescopic shaft; 42, threaded pipe; 43, adjusting screw; 44, adjusting hand wheel; 5, barbecue rack; 51, rotating sleeve; 52, limiting groove; 53, driven gear; 54, handle; 55, positioning hole; 6, driving mechanism; 61, arc-shaped rack; 62, driving arm; 63, swing assembly; 631, rotating gear ring; 632, linkage sleeve; 633, sliding seat; 634, driving rack; 635, electric push rod; 7, air blowing mechanism; 71, air duct; 71.1, air outlet passage; 71.2, air inlet one-way valve; 713, air outlet one-way valve; 72, push-pull air plate; 73, push-pull handle; 74, ventilation pipeline; 8, outer cylinder; 81, heat insulation cavity; 82, annular cover plate; 83, annular pipeline; 84, sliding groove; 9, air outlet pipe; 91, air outlet hole; 10, annular water pan; 101, water injection pipe; 102, drain pipe; 103, annular overflow groove; 104, lifting sleeve; 105, compression spring; 106, annular rubber water outlet piece; 11, air extractor; 12, filter; 13, controller; 14, power plug. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] Embodiment: A multi-layer rotary barbecue furnace, like Figure 1 and Figure 2As shown, including furnace body 1, detachable setting in the middle of charcoal bucket 2 in furnace body 1. Furnace body 1 is provided with four mounting frames 3 in circumferential array, mounting frame 3 is arranged in furnace body 1 along the radial direction of furnace body 1, adjusting mechanism 4 is arranged between mounting frame 3 and furnace body 1, which adjusts the distance between mounting frame 3 and charcoal bucket 2. The side of furnace body 1 is provided with a square outer cylinder 8, and a heat insulation cavity 81 is arranged between the outer cylinder 8 and the furnace body 1, and an annular cover plate 82 is arranged between the top of the furnace body 1 and the outer cylinder 8, which opens or closes the heat insulation cavity 81.

[0036] As shown in Figure 1 and Figure 4 , the adjusting mechanism 4 includes a plurality of telescopic shafts 41 arranged on one end of the mounting frame 3 and the other end of the furnace body 1, a threaded pipe 42 arranged between the outer cylinder 8 and the furnace body 1 and realizing the communication inside and outside the furnace body 1, an adjusting screw 43 rotatably connected to the mounting frame 3 on one end by a bearing and threaded connected with the threaded pipe 42, an adjusting hand wheel 44 arranged on one end of the adjusting screw 43 outside the furnace body 1, and the other end of the telescopic shaft 41 is located in the heat insulation cavity 81 for telescopic.

[0037] As shown in Figure 1 , Figure 4 , the mounting frame 3 is detachably connected with the barbecue grill 5 arranged in an arc, the mounting frame 3 is provided with a plurality of positioning shafts 31 on the top, and a bottom supporting plate 32 is arranged on the bottom of the mounting frame 3. The side of the barbecue grill 5 is provided with a handle 54 for taking, the handle 54 is provided with a plurality of positioning holes 55 which are sleeved on the positioning shafts 31 when the mounting frame 3 is placed vertically downward, and the lower end of the barbecue grill 5 is placed on the bottom supporting plate 32. At the same time, a plurality of arc array rotating sleeves 51 are rotatably connected to the bottom of the barbecue grill 5, and a plurality of limiting grooves 52 corresponding to the rotating sleeves 51 are arranged on the top of the barbecue grill 5, and the lower end of the barbecue stick is inserted into the rotating sleeve 51 and the upper end is limited by the limiting groove 52.

[0038] As shown in Figure 2 , Figure 4 , Figures 6 to 8As shown, the furnace body 1 is provided with a driving mechanism 6 which can drive the rotating sleeve 51 of the multiple barbecue grills 5 to rotate during the movement of the mounting frame 3. The lower end of the rotating sleeve 51 penetrates through the bottom of the barbecue grill 5, and the lower end of the rotating sleeve 51 is provided with a driven gear 53. The furnace body 1 is provided with an arc-shaped slot 1.1 which communicates with the heat insulation cavity 81 at the bottom of the barbecue grill 5. The outer cylinder 8 is provided with a sliding slot 84 which communicates with the heat insulation cavity 81. The driving mechanism 6 includes multiple arc-shaped racks 61 which are respectively slidably connected to the barbecue grills 5 and engaged with the multiple driven gears 53, multiple driving arms 62 which are provided at one end on the arc-shaped racks 61 and penetrate into the heat insulation cavity 81 from the arc-shaped slot 1.1 at the other end, and a swinging assembly 63 which realizes the simultaneous reciprocating swing of the multiple driving arms 62. When the driving arm 62 reciprocates once, the arc-shaped rack 61 drives the driven gear 53 to rotate forward and reverse once. The swinging assembly 63 includes a rotating gear ring 631 which is rotatably connected in the annular cavity, multiple linkage sleeves 632 which are provided on the rotating gear ring 631 and respectively sleeved on the driving arms 62, a sliding seat 633 which is slidably arranged on the sliding slot 84, a driving rack 634 which is arranged on the sliding seat 633 and engaged with the rotating gear ring 631, and an electric push rod 635 (see Figure 3 ) which is arranged between the outer cylinder 8 and the sliding seat 633 and drives the sliding seat 633 to reciprocate. During the reciprocating movement of the electric push rod 635, the sliding seat 633 and the driving rack 634 drive the rotating gear ring 631 to reciprocate, the rotating gear ring 631 drives the driving arm 62 and the arc-shaped rack 61 to reciprocate, and the arc-shaped rack 61 drives the driven gear 53 to reciprocate. The front threaded pipe 42 is welded and installed after the rotating gear ring 631 is installed during installation, and the rotating gear ring 631 cannot be directly removed after installation.

[0039] As shown in Figure 2 , Figure 3 , Figure 5 and Figure 6 , the furnace body 1, the driving mechanism 6 and the charcoal barrel 2 are provided with a blowing mechanism 7 which realizes blowing in the charcoal barrel 2 during the operation of the driving mechanism 6. The middle part of the furnace body 1 is provided with an air outlet pipe 9 which extends upward, the periphery of the air outlet pipe 9 is provided with multiple air outlet holes 91, and the middle part of the charcoal barrel 2 is provided with a sleeving part 21 which is sleeved on the air outlet pipe 9 during downward installation. The blowing mechanism 7 includes an air cylinder 71 arranged on the outer cylinder 8, a push-pull air plate 72 arranged in the air cylinder 71 in an extendable manner, a push-pull handle 73 arranged at one end on the push-pull air plate 72 and penetrating out of the air cylinder 71 at the other end, an air outlet channel 71.1 arranged at the bottom of the air cylinder 71, air outlet one-way valves 713 arranged at the bottom of both ends of the air cylinder 71 and communicating with the air outlet channel 71.1, air inlet one-way valves 71.2 arranged at both ends of the air cylinder 71, an air duct 74 arranged in the outer cylinder 8 and communicating with the air outlet channel 71.1 and the air outlet pipe 9, and the sliding seat 633 is fixedly connected with the push-pull handle 73.

[0040] AsFigures 1 to 3 、 Figure 5 As shown in FIGS. 3 and 4, an annular water receiving tray 10 is arranged around the bottom of the charcoal barrel 2 in the furnace body 1, a water injection pipe 101 is arranged on the furnace body 1 and connected to the annular water receiving tray 10, and a drain pipe 102 is arranged at the bottom of the furnace body 1 to drain the water in the water receiving tray.

[0041] As shown in FIGS. 3 and 4, an annular water receiving tray 10 is arranged around the bottom of the charcoal barrel 2 in the furnace body 1, a water injection pipe 101 is arranged on the furnace body 1 and connected to the annular water receiving tray 10, and a drain pipe 102 is arranged at the bottom of the furnace body 1 to drain the water in the water receiving tray. Figure 5 As shown in FIGS. 3 and 4, an annular overflow groove 103 is arranged on the periphery of the annular water receiving tray 10, the drain pipe 102 is communicated with the annular overflow groove 103, a lifting sleeve 104 is arranged on the lower end of the air outlet pipe 9, a compression spring 105 is arranged on the lower end of the air outlet pipe 9 and abuts against the bottom of the furnace body 1 and the lifting sleeve 104, and an annular rubber water draining piece 106 is arranged between the lifting sleeve 104 and the edge of the annular water receiving tray 10. When the charcoal barrel 2 is installed, the lifting sleeve 104 is pressed down, the annular rubber water draining piece 106 is immersed in the water in the annular water receiving tray 10, when the charcoal barrel 2 is removed, the lifting sleeve 104 is lifted up by the restoring force of the compression spring 105, one end of the annular rubber water draining piece 106 connected to the lifting sleeve 104 is higher than the edge of the annular water receiving tray 10, and the water in the annular water receiving tray 10 flows out along the annular rubber water draining piece 106 into the annular overflow groove 103.

[0042] As shown in FIGS. 3 and 4, an annular water receiving tray 10 is arranged around the bottom of the charcoal barrel 2 in the furnace body 1, a water injection pipe 101 is arranged on the furnace body 1 and connected to the annular water receiving tray 10, and a drain pipe 102 is arranged at the bottom of the furnace body 1 to drain the water in the water receiving tray. Figures 1 to 3 As shown in FIGS. 3 and 4, an annular overflow groove 103 is arranged on the periphery of the annular water receiving tray 10, the drain pipe 102 is communicated with the annular overflow groove 103, a lifting sleeve 104 is arranged on the lower end of the air outlet pipe 9, a compression spring 105 is arranged on the lower end of the air outlet pipe 9 and abuts against the bottom of the furnace body 1 and the lifting sleeve 104, and an annular rubber water draining piece 106 is arranged between the lifting sleeve 104 and the edge of the annular water receiving tray 10. When the charcoal barrel 2 is installed, the lifting sleeve 104 is pressed down, the annular rubber water draining piece 106 is immersed in the water in the annular water receiving tray 10, when the charcoal barrel 2 is removed, the lifting sleeve 104 is lifted up by the restoring force of the compression spring 105, one end of the annular rubber water draining piece 106 connected to the lifting sleeve 104 is higher than the edge of the annular water receiving tray 10, and the water in the annular water receiving tray 10 flows out along the annular rubber water draining piece 106 into the annular overflow groove 103.

[0043] Effect: During the use of the multi-layer rotating barbecue oven, the charcoal barrel 2 (containing burning charcoal) is placed in the furnace body 1, the lower end of the barbecue stick (containing food materials) is inserted into the rotating sleeve 51 and the upper end is limited by the limiting groove 52, and the barbecue grill 5 is installed on the mounting frame 3, then the rotating sleeve 51 of the barbecue grill 5 is driven by the driving mechanism 6 to rotate, so that the barbecue stick (containing food materials) rotates to achieve uniform heating, the distance between the mounting frame 3 and the charcoal barrel 2 can be adjusted by the adjusting mechanism 4 during the barbecue process, so as to adjust the barbecue temperature of the barbecue stick (containing food materials), the linkage of the air blowing mechanism 7 and the driving mechanism 6 can improve the combustion efficiency of charcoal during the rotation of the barbecue stick (containing food materials), reduce harmful emissions, improve the heat value utilization rate of charcoal, and meet the concept of energy saving and environmental protection. In addition, the oil produced during the barbecue process will not drop into the charcoal barrel 2, which can reduce the generation of oil smoke.

[0044] First, the setting of the outer cylinder 8 makes the formation of a heat insulation cavity 81 with the furnace body 1, with good heat insulation effect; at the same time, when the mounting frame 3 is adjusted by the adjusting mechanism 4, the end of the telescopic shaft 41 in the adjusting mechanism 4 away from the mounting frame 3 is located in the heat insulation cavity 81 for extension and contraction, avoiding the safety hazard caused by the protrusion of the telescopic shaft 41 outside the outer cylinder 8; at the same time, during the use of the adjusting mechanism 4, by rotating the adjusting hand wheel 44, the position of the mounting frame 3 can be adjusted, so as to adjust the distance between the barbecue grill 5 and the charcoal, and to adjust the barbecue temperature.

[0045] During the reciprocating movement of the electric push rod 635, the sliding seat 633 and the drive rack 634 drive the rotating gear ring 631 to reciprocate, the rotating gear ring 631 drives the drive arm 62 and the arc-shaped rack 61 to reciprocate, the arc-shaped rack 61 drives the driven gear 53 to reciprocate, and the angle of reciprocating of the driven gear 53 is 360 degrees, so as to realize the reciprocating rotation of the rotating sleeve 51 on the multiple barbecue grills 5, to realize the reciprocating rotation of the barbecue sticks (with food materials), and to improve the heating uniformity in the barbecue process; at the same time, the arc-shaped rack 61, the drive arm 62, the rotating gear ring 631 and the linkage sleeve 632 of the drive mechanism 6 are arranged, so that the reciprocating movement of the multiple arc-shaped racks 61 will not interfere with the telescopic arrangement of the mounting frame 3.

[0046] During the reciprocating movement of the electric push rod 635, the sliding seat 633 drives the push-pull handle 73 to reciprocate, thereby driving the push-pull air plate 72 to reciprocate, during the reciprocating movement of the push-pull air plate 72, air enters from one of the air inlet one-way valves 71.2, and is discharged from the air outlet one-way valve 713 to the air outlet channel 71.1, and is introduced into the air outlet pipe 9 through the ventilation pipeline 74, so as to realize the air blowing and oxygen conveying from the inside of the charcoal cylinder, thereby improving the combustion efficiency of the charcoal, reducing harmful emissions, improving the calorific value utilization rate of the charcoal, and meeting the concept of energy saving and environmental protection.

[0047] The annular water pan 10 and the inclined guide plate are arranged so that oil and moisture during the barbecue process can drip into the annular water pan 10, keeping the barbecue oven clean and reducing the oil fume. During the barbecue process, the charcoal barrel 2 is first installed on the air outlet pipe 9, the charcoal cylinder presses the lifting sleeve 104 against the action of the compression spring 105, so that the annular flexible rubber water drain piece is deformed and located in the annular water pan 10, then water is injected into the annular water pan 10 through the water injection pipe 101, and the excess water is discharged along the annular overflow groove 103 and the drain pipe 102; after the barbecue is finished and the charcoal barrel 2 is cleaned, the lifting sleeve 104 moves upward under the resetting action of the compression spring 105 and makes one end of the annular rubber water drain piece 106 connected to the lifting sleeve 104 higher than the edge of the annular water pan 10, the water in the annular water pan 10 flows out along the annular rubber water drain piece 106 into the annular overflow groove 103, realizing the function of automatic drainage. At the same time, during the barbecue process, the exhaust fan 11, the filter 12 and the annular pipeline 83 can realize the suction and filtration of the gas at the top of the oven body 1, so as to reduce the emission of harmful gas and meet the concept of green environmental protection.

Claims

1. A multi-layer rotary barbecue oven, comprising a oven body (1), and a charcoal barrel (2) detachably arranged in the middle of the oven body (1), characterized in that: The furnace body (1) is provided with a plurality of mounting racks (3) distributed in a circumferential array. The mounting racks (3) are arranged in the furnace body (1) along the radial movement of the furnace body (1). An adjustment mechanism (4) for adjusting the distance between the mounting rack (3) and the charcoal barrel (2) is provided between the mounting rack (3) and the furnace body (1). A barbecue rack (5) arranged in an arc shape is detachably connected to the mounting rack (3). The bottom of the barbecue rack (5) is rotatably connected to a plurality of rotating sleeves (51) in an arc shape. The top of the barbecue rack (5) is provided with a A plurality of limiting grooves (52) respectively corresponding to the rotating sleeves (51) are provided, and the lower ends of the barbecue skewers are tightly inserted into the rotating sleeves (51) and the upper ends are limited by the limiting grooves (52); a driving mechanism (6) is provided in the furnace body (1) and can drive the rotating sleeves (51) of the plurality of barbecue grills (5) to rotate during the movement of the mounting frame (3); and a blowing mechanism (7) is provided between the furnace body (1), the driving mechanism (6) and the charcoal barrel (2) and can blow air into the charcoal barrel (2) during the operation of the driving mechanism (6).

2. The multi-layer rotary barbecue oven according to claim 1, characterized in that: A square outer cylinder (8) is provided on the circumference of the furnace body (1), a heat-insulating cavity (81) is provided between the outer cylinder (8) and the furnace body (1), and an annular cover plate (82) for opening or closing the heat-insulating cavity (81) is provided between the furnace body (1) and the top of the outer cylinder (8); the adjustment mechanism (4) comprises a plurality of telescopic shafts (41) one end of which is provided on the mounting frame (3) and the other end of which is telescopically arranged with the furnace body (1), a threaded tube (42) provided between the outer cylinder (8) and the furnace body (1) and communicating with the inside and outside of the furnace body (1), an adjustment screw (43) one end of which is rotatably connected to the mounting frame (3) and threadedly connected to the threaded tube (42), and an adjustment hand wheel (44) provided at one end of the adjustment screw (43) located outside the furnace body (1), the other end of the telescopic shaft (41) being located in the heat-insulating cavity (81) for telescoping.

3. The multi-layer rotary barbecue oven according to claim 2, characterized in that: The lower end of the rotating sleeve (51) passes through the bottom of the barbecue grill (5), and a driven gear (53) is provided at the lower end of the rotating sleeve (51); an arcuate groove (1.1) communicating with the heat-insulating cavity (81) is provided on the furnace body (1) corresponding to the bottom of the barbecue grill (5); and a sliding groove (84) communicating with the heat-insulating cavity (81) is provided on the circumferential side of the outer cylinder (8); the driving mechanism (6) comprises a plurality of arcuate racks (61) respectively slidably connected to the barbecue grill (5) and meshing with the plurality of driven gears (53); a plurality of driving arms (62) one end of which is provided on the arcuate racks (61) and the other end of which passes through the arcuate groove (1.1) into the heat-insulating cavity (81); and a swinging assembly (63) for driving the plurality of driving arms (62) to swing back and forth simultaneously; when the driving arm (62) swings back and forth once, the arcuate rack (61) drives the driven gear (53) to rotate forward and reverse one circle.

4. The multi-layer rotary barbecue oven according to claim 3, characterized in that: The swing assembly (63) includes a rotating ring gear (631) rotatably connected in the annular cavity, a plurality of linkage sleeves (632) arranged on the rotating ring gear (631) and respectively sleeved on the driving arm (62), a sliding seat (633) slidably arranged on the sliding groove (84), a driving rack (634) arranged on the sliding seat (633) and meshed with the rotating ring gear (631), and an electric push rod (635) arranged between the outer cylinder (8) and the sliding seat (633) and driving the sliding seat (633) to reciprocate. During the reciprocating movement of the electric push rod (635), the sliding seat (633) and the driving rack (634) drive the rotating ring gear (631) to swing back and forth, the rotating ring gear (631) drives the driving arm (62) and the arc-shaped rack (61) to swing back and forth, and the arc-shaped rack (61) drives the driven gear (53) to rotate back and forth.

5. The multi-layer rotary barbecue oven according to claim 4, characterized in that: An upwardly extending air outlet pipe (9) is provided in the middle of the furnace body (1), and a plurality of air outlet holes (91) are provided on the peripheral side of the air outlet pipe (9). A sleeve portion (21) is provided in the middle of the charcoal barrel (2) for sleeved on the air outlet pipe (9) during downward installation. The air blowing mechanism (7) comprises an air duct (71) provided on the outer cylinder (8), a push-pull air plate (72) telescopically provided in the air duct (71), and a push-pull air plate (72) with one end provided on the push-pull air plate (72) and the other end extending out of the air duct (71). ), an air outlet channel (71.1) is provided at the bottom of the air duct (71), air outlet one-way valves (713) communicating with the air outlet channel (71.1) are provided at the bottoms of both ends of the air duct (71), air inlet one-way valves (71.2) are provided at both ends of the air duct (71), a ventilation pipeline (74) communicating with the air outlet channel (71.1) and the air outlet pipe (9) is provided in the outer tube (8), and the sliding seat (633) is fixedly connected to the push-pull handle (73).

6. The multi-layer rotary barbecue oven according to claim 5, characterized in that: An annular water receiving tray (10) surrounding the bottom of the charcoal barrel (2) is provided at the bottom of the furnace body (1), a water injection pipe (101) connected to the annular water receiving tray (10) is provided on the furnace body (1), and a drainage pipe (102) for draining water from the water receiving tray is provided at the bottom of the furnace body (1).

7. The multi-layer rotary barbecue oven according to claim 6, characterized in that: An annular overflow groove (103) is provided on the circumferential side of the annular water receiving tray (10), and the drain pipe (102) is communicated with the annular overflow groove (103). A lifting sleeve (104) is provided on the lower end of the air outlet pipe (9). The lower end of the air outlet pipe (9) is provided with a compression spring (105) with both ends pressed against the bottom of the furnace body (1) and the lifting sleeve (104). An annular rubber drain sheet (106) is provided between the lifting sleeve (104) and the edge of the annular water receiving tray (10). When the charcoal barrel (2) is installed When the lifting sleeve (104) is pressed down during the installation process, the annular rubber drain sheet (106) is immersed in the water of the annular water receiving tray (10); when the charcoal barrel (2) is removed, the lifting sleeve (104) moves upward under the reset action of the compression spring (105) and causes the end of the annular rubber drain sheet (106) connected to the lifting sleeve (104) to be higher than the edge of the annular water receiving tray (10), and the water in the annular water receiving tray (100) flows out along the annular rubber drain sheet (106) into the annular overflow groove (103).

8. The multi-layer rotary barbecue oven according to claim 1, characterized in that: The top of the mounting frame (3) is provided with a plurality of positioning shafts (31), the bottom of the mounting frame (3) is provided with a bottom support plate (32), the side of the barbecue grill (5) is provided with a handle (54) for taking, the handle (54) is provided with a plurality of positioning holes (55) which are sleeved on the positioning shafts (31) when the mounting frame (3) is placed vertically downward, and the lower end of the barbecue grill (5) is placed on the bottom support plate (32).

9. The multi-layer rotary barbecue oven according to claim 4, characterized in that: An annular duct (83) is provided on the annular cover plate (82), a plurality of suction holes (1.2) are provided in a circumferential array on the circumferential side of the upper end of the furnace body (1), a plurality of docking ports connected to the suction holes (1.2) are provided on the inner ring of the annular duct (83), an exhaust fan (11) in communication with the annular duct (83) is provided on the outer cylinder (8), a filter (12) is provided at the air inlet end of the exhaust fan (11), a controller (13) electrically connected to the electric push rod (635) and the exhaust fan (11) is provided on the outer cylinder (8), and a power plug (14) electrically connected to the controller (13) is provided on the outer cylinder (8).

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