CN111671323A

CN111671323A - Portable charcoal fire barbecue box

Info

Publication number: CN111671323A
Application number: CN202010581840.7A
Authority: CN
Inventors: 窦晓梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-09-18

Abstract

The invention discloses a portable charcoal fire barbecue box, and belongs to the technical field of barbecue equipment. A portable charcoal fire barbecue box comprises a support, a box body fixedly arranged at the top end of the support and an upper cover rotatably arranged on the side wall of the box body, wherein the side wall of the support, which is far away from the box body, is rotatably connected with a placing plate; according to the barbecue seasoning box, the storage tray capable of rotating along the support is arranged, so that barbecue seasoning can be effectively placed when the storage tray is supported, and in addition, food can be placed on the storage tray on the side wall of the bottom end of the box body and the storage rack on the inner wall of the upper cover, so that the food can be effectively placed; the oil smoke generated in the barbecue process is absorbed by the exhaust fan and is exhausted out of the box body, and in addition, the oil smoke absorbed by the exhaust fan can further blow charcoal fire on the charcoal fire rack, so that the oil smoke can be further utilized; according to the invention, the charcoal fire rack capable of moving up and down is arranged, and the charcoal fire rack is moved to a proper position by using the lifting mechanism, so that the barbecue mode can be adjusted according to different food materials.

Description

Portable charcoal fire barbecue box

Technical Field

The invention relates to the technical field of barbecue equipment, in particular to a portable charcoal fire barbecue box.

Background

The barbecue refers to the process of roasting meat and meat products in a charcoal or electric heating device, generally speaking, the barbecue is to roast food (mostly meat, seafood and vegetables) on fire and cook the food to be edible, and the roasting itself also becomes a leisure and recreation mode for many people to meet. In the present society, as mankind invents various fire modes, the barbecue mode is gradually diversified, and various barbecue supplies such as barbecue ovens and barbecue grills are developed.

Along with the enhancement of public safety and health consciousness of people, no matter cooking at home or cooking and drinking outdoors, more and more people select to do so, so that the operation is not only edible and relieved, but also the people can feel the fun of cooking in the process of doing so. Because the barbecue products are deeply loved by people due to the characteristics of good color, fragrance and taste, the household and portable barbecue box is produced at present. Patent application No. 201310229705.6 entitled publication No. CN103263227B, entitled portable barbecue case, discloses a portable barbecue case whose handle can be used as a common handle and can enclose a charcoal holder. Although the above-mentioned patent can realize the function of folding, the above-mentioned barbecue device lacks the rational design, cause barbecue condiment and food used for barbecue to have no place to put, and the oil smoke produced in the course of barbecue is difficult to discharge from the barbecue device effectively, especially when spreading the condiment on the food the oil smoke is more intense, the existence of the oil smoke will not only influence the food mouthfeel, but also will cause the danger to the operating personnel; in addition, the distance between the charcoal fire rack and the food to be roasted is fixed, so that the roasting mode of the device disclosed by the above is difficult to adjust according to different foods, and the quality of the roasted food is influenced.

Disclosure of Invention

The invention aims to solve the problems that the prior barbecue equipment is lack of reasonable design, so that barbecue seasonings and food for barbecue are not placed in any place, and oil smoke generated in the barbecue process is difficult to effectively discharge from the barbecue equipment, especially the oil smoke is stronger when the seasonings are scattered on the food, so that the taste of the food is influenced and the oil smoke can cause harm to operators; in addition, the distance between the charcoal fire rack and the food to be roasted is fixed, so the disclosed equipment is difficult to adjust the roasting mode according to different foods, thereby influencing the quality problem of the roasted food, and the provided portable charcoal fire roasting box is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a portable charcoal fire barbecue box comprises a support, a box body and an upper cover, wherein the box body is fixedly arranged at the top end of the support, the upper cover is rotatably arranged on the side wall of the box body, the side wall, far away from the box body, of the support is rotatably connected with a placing plate, the front side wall of the box body is rotatably connected with a charcoal door, and a barbecue grill is clamped at the top of the box body; the box inner wall still is provided with the charcoal fire frame through the elevating system liftable, elevating system's output has set firmly the rest stand, the charcoal fire frame is placed on the rest stand, one side lateral wall of box has still set firmly the air exhauster, the air exhauster output is provided with out the tuber pipe, the one end that goes out the tuber pipe and keep away from the air exhauster is connected with the exhaust pipe that extends to the box inner wall, the one end that the tuber pipe was kept away from to the exhaust pipe extends to the box outer wall, the top of exhaust pipe is equipped with wind-guiding blading.

Preferably, the side wall of the bottom end of the box body is fixedly provided with an object placing disc.

Preferably, the placing plate is rotatably arranged on the outer wall of the support through a pin shaft, and a switching rod piece is further arranged between the bottom of the placing plate and the side wall of the support.

Preferably, the switching member is including setting firmly the horizontal pole of placing the board bottom and setting firmly the montant at the support lateral wall, and rotates between montant and the horizontal pole and link to each other, the bottom lateral wall of montant rotates and is connected with the connecting rod, the one end that the montant was kept away from to the connecting rod passes through the elastic column slip setting at the horizontal pole lateral wall.

Preferably, the side wall of the cross rod is provided with a sliding chute, and the end part of the sliding chute is provided with a limiting hole matched with the elastic column; the elastic column is arranged on the side wall of the connecting rod through a spring.

Preferably, the carbon door lateral wall rotates and is connected with the opening handle, the opening handle rotates through the pivot and sets up at the carbon door lateral wall, the one end that the carbon door was arranged in to the pivot has set firmly the stopper.

Preferably, the lifting mechanism comprises an installation shell fixedly arranged on the inner wall of the box body, a transmission worm rotatably arranged on the installation shell, a worm wheel rotatably arranged on the inner wall of the installation shell and meshed with the transmission worm, and a lifting lead screw arranged on the inner wall of the worm wheel in a threaded manner, the top end of the lifting lead screw is fixedly provided with an installation disc, the placement frame is fixedly arranged on the installation disc, one end of the transmission worm, which is arranged outside the box body, is fixedly provided with a rotary disc, and a rotating handle is fixedly arranged on the rotary disc.

Preferably, the inner wall of upper cover sets firmly horizontal mounting bar, it is connected with the supporter to rotate on the mounting bar, the box top rotates and is connected with branch, the one end that the box was kept away from to branch rotates with the supporter and links to each other.

Preferably, the one end that the supporter is close to the mounting bar specifically rotates through the switching axle and sets up the lateral wall at the mounting bar, and the outer wall cover of switching axle is equipped with strength power spring, strength power spring's both ends link firmly with mounting bar, switching axle respectively.

Preferably, the mounting groove that is used for installing the wind blade group is seted up at the top of exhaust pipe, the wind blade group specifically is a plurality of a plurality of interval distributions, the wind blade group is including setting firmly the fixed strip at the exhaust pipe inner wall, along fixed strip interval distribution's pillar and rotate the wind blade who sets up on the pillar, and is a plurality of still be provided with between the wind blade and promote the strip, and the wind blade rotates and sets up on promoting the strip.

Compared with the prior art, the invention provides a portable charcoal fire barbecue box which has the following beneficial effects:

1. according to the portable charcoal fire barbecue box, the placing plate capable of rotating along the support is arranged, barbecue seasonings can be effectively placed when the placing plate is supported, and in addition, the placing plate on the side wall of the bottom end of the box body and the placing frame on the inner wall of the upper cover can be used for placing food, so that the food can be effectively placed; the oil smoke generated in the barbecue process is absorbed by the exhaust fan and is exhausted out of the box body, and in addition, the oil smoke absorbed by the exhaust fan can further blow charcoal fire on the charcoal fire rack, so that the oil smoke can be further utilized; according to the invention, the charcoal fire rack capable of moving up and down is arranged, and the charcoal fire rack is moved to a proper position by using the lifting mechanism, so that the barbecue mode can be adjusted according to different food materials.

2. This portable charcoal fire barbecue case sets to can follow support pivoted mode through placing the board, places the board and drives the horizontal pole and rotate along the montant, and the horizontal pole drives the elasticity post on the connecting rod when rotating and removes along the spout to finally make the elasticity post arrange spacing downthehole in, and place the board this moment and be in the vertical state with the support, thereby utilize the connecting rod to support placing the board, so that place barbecue condiment on placing the board.

3. This portable charcoal fire barbecue case opens the handle through rotating to drive the stopper and rotate, and remove the stopper to the box inner wall, thereby realize closing the charcoal door.

4. This portable charcoal fire barbecue case through setting up elevating system, and twist grip drives the carousel and rotates, and the carousel drives the transmission worm when rotating and rotates, and the transmission worm then drives the worm wheel and rotates at the inner wall of installation casing, because worm wheel inner wall and lift lead screw threaded connection, therefore the worm wheel drives the lift lead screw at the pivoted in-process and reciprocates to reach the effect of going up and down.

5. This portable charcoal fire barbecue case through being provided with the mounting bar on covering, rotates on the mounting bar and is provided with the supporter, when upwards turning over the upper cover, can expose the supporter to utilize branch opposition thing frame to support, thereby the convenience will eat the material and place on the supporter.

6. This portable charcoal fire barbecue case, through setting up the wind-guiding blade group, the wind-guiding blade group is including the fixed strip, along the pillar of fixed strip interval distribution, and rotate the wind-guiding blade that sets up on the pillar, and be provided with the promotion strip on the wind-guiding blade, in the use of reality, usable promotion strip promotes the wind-guiding blade and rotates along the fixed strip to adjust the angle of wind-guiding blade, with the amount of wind of adjusting through the blowing out of wind-guiding blade.

7. This portable charcoal fire barbecue case, the oil smoke that the air exhauster will roast the in-process production absorbs to the updraft ventilator in, and carry to in the exhaust pipe through the play tuber pipe, and finally discharge the box, and be equipped with wind-guiding vane group through the top at the exhaust pipe, therefore the oil smoke is when flowing through the exhaust pipe, can flow through wind-guiding vane group, because charcoal fire rack places in wind-guiding vane group's top, consequently, the oil smoke that flows through wind-guiding vane group can blow charcoal fire, in order to realize the abundant burning of charcoal fire, in order to improve the combustion efficiency of charcoal fire, and further improve the baking effect of food.

Drawings

Fig. 1 is a schematic structural view of a portable charcoal fire barbecue oven according to the present invention;

figure 2 is a front view of a portable charcoal fire barbecue cabinet according to the present invention shown in figure 1;

FIG. 3 is a schematic view of a portion A of FIG. 2 of the portable charcoal fire barbecue oven according to the present invention;

FIG. 4 is a schematic view of the connection between the portable charcoal fire barbecue oven placing plate and the bracket according to the present invention;

fig. 5 is a schematic structural view of a portion B of fig. 4 of the portable charcoal fire barbecue oven according to the present invention;

FIG. 6 is a schematic structural view of the connection between the portable charcoal fire barbecue oven body and the upper cover according to the present invention;

fig. 7 is a schematic structural view of a portion C of fig. 6 of a portable charcoal fire barbecue oven according to the present invention;

FIG. 8 is a schematic view of the internal structure of a portable charcoal fire barbecue oven according to the present invention;

fig. 9 is a schematic structural view of a portion D of fig. 8 of the portable charcoal fire barbecue oven according to the present invention;

fig. 10 is a schematic structural view of the connection between the exhaust duct and the wind-guiding vane assembly of the portable charcoal fire barbecue oven according to the present invention;

fig. 11 is a schematic structural view of a portable charcoal fire barbecue oven wind guide vane assembly according to the present invention;

fig. 12 is a schematic structural view of part E of fig. 11 of a portable charcoal fire barbecue oven according to the present invention.

In the figure: 1. a support; 2. a box body; 3. an upper cover; 4. placing the plate; 5. a charcoal door; 6. a barbecue grill; 7. a lifting mechanism; 7-1, installing a shell; 7-2, a transmission worm; 7-3, a worm gear; 7-4, lifting screw rods; 8. a charcoal fire rack; 9. a shelf; 10. an exhaust fan; 11. an air outlet pipe; 12. an exhaust duct; 13. a wind guide blade group; 13-1, fixing strips; 13-2, a strut; 13-3, wind guide blades; 13-4, a push bar; 14. placing a tray; 15. rod pieces are connected in an adapting way; 15-1, a cross bar; 15-2, a vertical rod; 16. a connecting rod; 17. an elastic column; 18. a chute; 19. a limiting hole; 20. opening the handle; 21. a limiting block; 22. mounting a disc; 23. a turntable; 24. rotating the handle; 25. mounting a bar; 26. a rack; 27. a strut; 28. a transfer shaft; 29. a stiff spring; 30. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-6, a portable charcoal fire barbecue oven comprises a support 1, a box body 2 fixedly arranged at the top end of the support 1, and an upper cover 3 rotatably arranged on the side wall of the box body 2, wherein the side wall of the support 1 far away from the box body 2 is rotatably connected with a placing plate 4, the front side wall of the box body 2 is rotatably connected with a charcoal door 5, and the top of the box body 2 is clamped with a barbecue grill 6; the inner wall of the box body 2 is further provided with a charcoal fire rack 8 capable of ascending and descending through an elevating mechanism 7, the output end of the elevating mechanism 7 is fixedly provided with a rest rack 9, the charcoal fire rack 8 is placed on the rest rack 9, the side wall of one side of the box body 2 is further fixedly provided with an air exhauster 10, the output end of the air exhauster 10 is provided with an air outlet pipe 11, one end of the air exhauster 10, which is far away from the air outlet pipe 11, is connected with an exhaust pipe 12 extending to the inner wall of the box body 2, one end, which is far away from the air outlet pipe 11, of the exhaust pipe 12 extends to.

The side wall of the bottom end of the box body 2 is also fixedly provided with an object placing plate 14, and the existence of the object placing plate 14 is convenient for placing the baked food.

The placing plate 4 is rotatably arranged on the outer wall of the support 1 through a pin shaft, and a switching rod piece 15 is further arranged between the bottom of the placing plate 4 and the side wall of the support 1;

the switching rod piece 15 comprises a cross rod 15-1 fixedly arranged at the bottom of the placing plate 4 and a vertical rod 15-2 fixedly arranged on the side wall of the support 1, the vertical rod 15-2 is rotatably connected with the cross rod 15-1, the side wall of the bottom end of the vertical rod 15-2 is rotatably connected with a connecting rod 16, and one end, far away from the vertical rod 15-2, of the connecting rod 16 is arranged on the side wall of the cross rod 15-1 in a sliding mode through an elastic column 17;

the side wall of the cross bar 15-1 is provided with a sliding chute 18, and the end part of the sliding chute 18 is provided with a limit hole 19 matched with the elastic column 17; the elastic column 17 is specifically arranged on the side wall of the connecting rod 16 through a spring, the placing plate 4 drives the cross rod 15-1 to rotate along the vertical rod 15-2, the cross rod 15-1 drives the elastic column 17 on the connecting rod 16 to move along the sliding groove 18 when rotating, finally the elastic column 17 is placed in the limiting hole 19, the placing plate 4 is in a vertical state with the support 1, and therefore the placing plate 4 is supported through the connecting rod 16, and barbecue seasonings are placed on the placing plate 4 conveniently.

The 5 lateral walls of charcoal door rotate and are connected with opening handle 20, open handle 20 and rotate through the pivot and set up at 5 lateral walls of charcoal door, and the one end that charcoal door 5 was arranged in to the pivot has set firmly stopper 21, rotates opening handle 20 to drive stopper 21 and rotate, and remove stopper 21 to 2 inner walls of box, thereby realize closing to charcoal door 5.

Referring to fig. 6-12, the lifting mechanism 7 includes a mounting housing 7-1 fixed on the inner wall of the housing 2, a driving worm 7-2 rotatably disposed on the mounting housing 7-1, a worm wheel 7-3 rotatably disposed on the inner wall of the mounting housing 7-1 and engaged with the driving worm 7-2, a lifting lead screw 7-4 threadedly disposed on the inner wall of the worm wheel 7-3, a mounting plate 22 fixed on the top end of the lifting lead screw 7-4, a rest frame 9 fixed on the mounting plate 22, a turntable 23 fixed on the end of the driving worm 7-2 disposed outside the housing 2, a rotating handle 24 fixed on the turntable 23, the rotating handle 24 driving the turntable 23 to rotate, the turntable 23 driving the driving worm 7-2 to rotate when rotating, the driving worm 7-2 further driving the worm wheel 7-3 to rotate on the inner wall of the mounting housing 7-1, because the inner wall of the worm wheel 7-3 is in threaded connection with the lifting screw 7-4, the worm wheel 7-3 drives the lifting screw 7-4 to move up and down in the rotating process, thereby achieving the lifting effect.

A transverse mounting bar 25 is fixedly arranged on the inner wall of the upper cover 3, a commodity shelf 26 is rotatably connected to the mounting bar 25, a supporting rod 27 is rotatably connected to the top of the box body 2, and one end, far away from the box body 2, of the supporting rod 27 is rotatably connected with the commodity shelf 26;

one end of the storage rack 26 close to the mounting bar 25 is rotatably arranged on the side wall of the mounting bar 25 through a rotating shaft 28, a stiff spring 29 is sleeved on the outer wall of the rotating shaft 28, two ends of the stiff spring 29 are fixedly connected with the mounting bar 25 and the rotating shaft 28 respectively, the storage rack 26 is exposed when the upper cover 3 is opened, and the support rod 27 is used for supporting the storage rack 26, so that the food materials can be placed conveniently.

The top of the exhaust pipe 12 is provided with a mounting groove 30 for mounting an air guide blade group 13, the air guide blade group 13 is specifically a plurality of air guide blade groups distributed at intervals, the air guide blade group 13 comprises a fixing strip 13-1 fixedly arranged on the inner wall of the exhaust pipe 12, supporting columns 13-2 distributed at intervals along the fixing strip 13-1 and air guide blades 13-3 rotatably arranged on the supporting columns 13-2, pushing strips 13-4 are also arranged among the air guide blades 13-3, and the air guide blades 13-3 are rotatably arranged on the pushing strips 13-4, the existence of the air guide blades 13-3 is convenient for the oil smoke flowing through the exhaust pipe 12 to be blown to the charcoal fire frame 8, in addition, the angle of the air guide blades 13-3 can be adjusted through the pushing strips 14-4, so that the air output is adjusted.

The working principle is as follows: when the oven is used, charcoal fire is placed on the charcoal fire rack 8, the charcoal fire rack 8 is placed on the placing rack 9, the placing rack 9 and the charcoal fire rack 8 on the placing rack are lifted to a proper position through the lifting mechanism 7, so that the position of the charcoal fire rack 8 can be adjusted according to different food materials, and a better baking effect is achieved;

the specific work of the lifting mechanism 7 is far away from that of the following, a rotating handle 24 is rotated to drive a rotating disc 23 to rotate, the rotating disc 23 drives a transmission worm 7-2 to rotate when rotating, the transmission worm 7-2 further drives a worm wheel 7-3 to rotate on the inner wall of the mounting shell 7-1, and the inner wall of the worm wheel 7-3 is in threaded connection with a lifting lead screw 7-4, so that the worm wheel 7-3 drives the lifting lead screw 7-4 to move up and down in the rotating process, and the lifting effect is achieved;

when the charcoal fire rack 8 is lifted to a proper position, the charcoal door 5 can be closed, specifically, the opening handle 20 is rotated, and the opening handle 20 drives the limiting block 21 to rotate when rotating, so that the limiting block 21 is arranged on the inner wall of the box body 2, and the charcoal door 5 is fixed;

the placing plates 4 on two sides of the support 1 can be unfolded in the barbecue process, specifically, the placing plates 4 drive the cross rods 15-1 to rotate along the vertical rods 15-2, the cross rods 15-1 drive the elastic columns 17 on the connecting rods 16 to move along the sliding grooves 18 when rotating, finally, the elastic columns 17 are placed in the limiting holes 19, at the moment, the placing plates 4 and the support 1 are in a vertical state, so that the placing plates 4 are supported by the connecting rods 16, barbecue seasonings are placed on the placing plates 4, and after the barbecue is finished, the placing plates 4 can be rotated relative to the support 1 to achieve the storage of the placing plates 4;

in the process of roasting food, the exhaust fan 10 absorbs oil smoke generated in the roasting process into the exhaust fan 10, the oil smoke is conveyed into the exhaust pipe 12 through the air outlet pipe 11 and finally discharged out of the box body 2, and the air guide blade group 13 is arranged at the top of the exhaust pipe 12, so that the oil smoke flows out through the air guide blade group 13 when flowing through the exhaust pipe 12, and the charcoal fire rack 8 is arranged above the air guide blade group 13, so that the oil smoke flowing out through the air guide blade group 13 can blow charcoal fire, so that the charcoal fire can be fully combusted, the burning efficiency of the charcoal fire is improved, and the roasting effect of the food is further improved;

the air guide blade group 13 comprises a fixing strip 13-1, supporting columns 13-2 distributed at intervals along the fixing strip 13-1 and air guide blades 13-3 rotatably arranged on the supporting columns 13-2, and pushing strips 13-4 are arranged on the air guide blades 13-3, so that in the actual use process, the pushing strips 13-4 can be used for pushing the air guide blades 13-3 to rotate along the fixing strip 13-1, the angles of the air guide blades 13-3 are adjusted, and the air volume blown out by the air guide blades 13-3 is adjusted;

in addition, the upper cover 3 of the present invention is provided with the mounting bar 25, the mounting bar 25 is rotatably provided with the storage rack 26, when the upper cover 3 is turned upwards, the storage rack 26 is exposed, and the support rod 27 supports the storage rack 26, so that the food material can be conveniently placed on the storage rack 26.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the concept of the present invention should be covered by the scope of the present invention.

Claims

1. A portable charcoal fire barbecue box comprises a support (1), a box body (2) fixedly arranged at the top end of the support (1) and an upper cover (3) rotatably arranged on the side wall of the box body (2), and is characterized in that the side wall, far away from the box body (2), of the support (1) is rotatably connected with a placing plate (4), the front side wall of the box body (2) is rotatably connected with a charcoal door (5), and a barbecue grill (6) is clamped at the top of the box body (2); the utility model discloses a storage box, including box (2), box (2) inner wall, elevating system (7), elevating system and exhaust pipe (12), the output of box (2) still is provided with charcoal fire frame (8) through elevating system (7) liftable, the output of elevating system (7) has set firmly rest stand (9), place on rest stand (9) charcoal fire frame (8), one side lateral wall of box (2) has still set firmly air exhauster (10), air exhauster (10) output is provided with out tuber pipe (11), the one end that air exhauster (10) were kept away from to play tuber pipe (11) is connected with exhaust pipe (12) that extend to box (2) inner wall, the one end that goes out tuber pipe (11) was kept away from to exhaust pipe (12) extends to box (2) outer wall, the top of exhaust pipe (12).

2. The portable charcoal fire barbecue oven according to claim 1, characterized in that the sidewall of the bottom end of the box body (2) is further fixedly provided with an object placing plate (14).

3. The portable charcoal fire barbecue box according to claim 1, characterized in that the placing plate (4) is rotatably disposed on the outer wall of the bracket (1) through a pin, and an adapter rod (15) is further disposed between the bottom of the placing plate (4) and the side wall of the bracket (1).

4. The portable charcoal fire barbecue box according to claim 3, characterized in that the switching rod (15) comprises a cross rod (15-1) fixed at the bottom of the placing plate (4) and a vertical rod (15-2) fixed at the side wall of the bracket (1), the vertical rod (15-2) is rotatably connected with the cross rod (15-1), the side wall at the bottom end of the vertical rod (15-2) is rotatably connected with a connecting rod (16), and one end of the connecting rod (16) far away from the vertical rod (15-2) is slidably arranged at the side wall of the cross rod (15-1) through an elastic column (17).

5. The portable charcoal fire barbecue oven according to claim 4, characterized in that the side wall of the cross bar (15-1) is provided with a sliding groove (18), and the end of the sliding groove (18) is provided with a limit hole (19) matched with the elastic column (17); the elastic column (17) is arranged on the side wall of the connecting rod (16) through a spring.

6. The portable charcoal fire barbecue box according to claim 1, characterized in that the side wall of the charcoal door (5) is rotatably connected with an opening handle (20), the opening handle (20) is rotatably arranged on the side wall of the charcoal door (5) through a rotating shaft, and a limit block (21) is fixedly arranged at one end of the rotating shaft arranged in the charcoal door (5).

7. The portable charcoal fire barbecue box according to claim 1, wherein the lifting mechanism (7) comprises a mounting housing (7-1) fixed on the inner wall of the box body (2), a transmission worm (7-2) rotatably arranged on the mounting housing (7-1), a worm wheel (7-3) rotatably arranged on the inner wall of the mounting housing (7-1) and engaged with the transmission worm (7-2), and a lifting screw (7-4) threaded on the inner wall of the worm wheel (7-3), the top end of the lifting screw rod (7-4) is fixedly provided with a mounting disc (22), the rest stand (9) is fixedly arranged on the mounting disc (22), and a rotary table (23) is fixedly arranged at one end of the transmission worm (7-2) arranged outside the box body (2), and a rotating handle (24) is fixedly arranged on the rotary table (23).

8. A portable charcoal fire barbecue box according to claim 1, characterized in that a horizontal mounting bar (25) is fixedly arranged on the inner wall of the upper cover (3), a shelf (26) is rotatably connected to the mounting bar (25), a supporting rod (27) is rotatably connected to the top of the box body (2), and one end of the supporting rod (27) far away from the box body (2) is rotatably connected to the shelf (26).

9. A portable charcoal fire barbecue box according to claim 8, characterized in that one end of the shelf (26) close to the mounting bar (25) is rotatably disposed on the side wall of the mounting bar (25) through a rotating shaft (28), and the outer wall of the rotating shaft (28) is sleeved with a stiff spring (29), and both ends of the stiff spring (29) are respectively fixedly connected with the mounting bar (25) and the rotating shaft (28).

10. The portable charcoal fire barbecue box according to any one of claims 1 to 9, wherein a mounting groove (30) for mounting an air guiding blade set (13) is formed at the top of the exhaust duct (12), the air guiding blade set (13) is specifically a plurality of air guiding blades (13) distributed at intervals, the air guiding blade set (13) comprises a fixing strip (13-1) fixedly arranged on the inner wall of the exhaust duct (12), supporting columns (13-2) distributed at intervals along the fixing strip (13-1), and air guiding blades (13-3) rotatably arranged on the supporting columns (13-2), a pushing strip (13-4) is further arranged between the air guiding blades (13-3), and the air guiding blades (13-3) are rotatably arranged on the pushing strip (13-4).