Rotisserie grill

1. A rotisserie grill comprising:

a rotisserie grill body ( 1 );

an electric controller;

a spit rod ( 8 ); and

a motor,

wherein the rotisserie grill body ( 1 ) defines a heating cavity ( 100 ) having an upper opening,

wherein the heating cavity ( 100 ) is provided with, at a bottom portion thereof, a detachable residue receiving tray ( 6 ),

wherein the heating cavity ( 100 ) is provided with, on both sides thereof, a pair of vertically arranged heating tubes ( 2 ) and a pair of reflecting plates ( 3 ) that reflect heat from the heating tubes ( 2 ) into the heating cavity ( 100 ),

wherein the rotisserie grill body ( 1 ) has a plurality of air intake holes ( 18 ) at a bottom portion thereof, the plurality of air intake holes ( 18 ) leading into a cavity between vertical inner and outer plates of the rotisserie grill body ( 1 ),

wherein the spit rod ( 8 ) includes an inserting rod ( 80 ), a handle ( 81 ), and a positioning piece ( 82 ),

wherein the rotisserie grill body ( 1 ) is provided with a quick connector ( 18 ) on an inner plate at a front end, and a groove ( 16 ) on each of inner and outer plates at a rear end, a front end of the inserting rod is detachably connected to an output end of the motor via the quick connector ( 18 ), a rear end of the inserting rod is connected to the handle ( 81 ) and overlaps with the groove ( 16 ),

wherein the positioning piece ( 82 ) and the handle ( 81 ) are respectively located on two sides of the inner and outer plates at the rear end of the rotisserie grill body ( 1 ) to axially limit the inserting rod ( 80 ),

wherein the motor drives the inserting rod ( 8 ) and food thereon to rotate, and the reflecting plates ( 3 ) directly reflect the heat of the heating tubes ( 2 ) and direct the efficiency roasting mode;

wherein the cavity between the vertical inner and outer plates of the rotisserie grill body ( 1 ) includes a hot air passage ( 300 ) close to the heating cavity ( 100 ) and the reflecting plate ( 3 ), and a cold air duct ( 400 ) close to an outer wall of the rotisserie grill body ( 1 ),

wherein the hot air passage ( 300 ) has a plurality of backflow holes ( 13 ) on a top portion, the plurality of backflow holes ( 13 ) communicating with the heating cavity ( 100 ) so that high-temperature air in the hot air passage ( 300 ) flows back into the heating cavity ( 100 ), and the cold air duct ( 400 ) has a plurality of exhaust holes ( 14 ) on a top portion, the plurality of exhaust holes ( 14 ) communicating with outside to discharge low-temperature air in the cold air duct ( 400 ) and reduce temperature of the outer wall of the rotisserie grill body ( 1 );

wherein a heat insulation cavity ( 500 ) is further provided between the hot air passage ( 300 ) and the cold air duct ( 400 ), the heat insulation cavity ( 500 ) isolates the high-temperature air and the low-temperature air of the hot air passage ( 300 ) and the cold air duct ( 400 ), and the heat insulation cavity ( 500 ) is a closed cavity.

2. The rotisserie grill according to claim 1 , wherein a front cavity ( 600 ) and a rear cavity ( 700 ) are respectively provided between inner and outer plates at front and rear ends of the rotisserie grill body ( 1 ) to thermally isolate the front and rear ends of the heating cavity ( 100 ) from outside.

3. The rotisserie grill according to claim 2 , wherein both ends of the rotisserie grill body ( 1 ) that corresponds to the cold air duct ( 400 ), so that the front cavity ( 600 ) and the rear cavity ( 700 ) are communicated with the cold air duct ( 400 ).

4. The rotisserie grill according to claim 1 , wherein the reflecting plate ( 3 ) is provided with a transparent glass cover plate ( 4 ) at the opening to close the reflecting plate ( 3 ) and obtain a reflecting cavity ( 200 ).

5. The rotisserie grill according to claim 1 , further comprising: a grill ( 9 ), wherein the grill ( 9 ) is provided with mesh holes, and a handle ( 91 ) at both ends, the rotisserie grill body ( 1 ) is provided with a foot pad ( 15 ) at four corners, and the grill ( 9 ) is configured to be disposed on the foot pads ( 15 ) to roast food on the grill ( 9 ).

6. The rotisserie grill according to claim 1 , further comprising: a cover door ( 7 ), wherein the cover door ( 7 ) includes a glass cover ( 70 ) and a bead ( 72 ) fixed on one side of the glass cover ( 70 ),

wherein both ends of the bead ( 72 ) are provided with a shaft hole ( 73 ),

wherein a pair of door shafts ( 17 ) face each other at two ends of a top portion of the rotisserie grill body ( 1 ),

wherein the shaft hole ( 73 ) is matched and connected with the door shaft ( 17 ), and when the cover door ( 7 ) is closed, a top portion of the heating cavity ( 100 ) is closed to prevent direct heat loss.

7. The rotisserie grill according to claim 6 , further comprising: a bakeware ( 5 ), wherein the bakeware ( 5 ) is configured to be disposed on a top portion of the heating cavity ( 100 ) to close the heating cavity ( 100 ) to cook food on the bakeware ( 5 ).

8. The rotisserie grill according to claim 7 , further comprising: two baffles ( 20 ), wherein the baffles ( 20 ) are detachably arranged vertically at positions between the backflow holes ( 13 ) and the exhaust holes ( 14 ) on the rotisserie grill body ( 1 ) so that when the cover door ( 7 ) is closed, two sides of the cover door ( 7 ) and the heating cavity ( 100 ) are closed,

wherein the cover door ( 7 ) includes a handle ( 71 ), and the cover door ( 7 ) is arched.