CN216776750U

CN216776750U - Door body for baking cooking equipment and electric oven

Info

Publication number: CN216776750U
Application number: CN202123126281.XU
Authority: CN
Inventors: 何小燕; 蒋圣伟; 方堃
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-12-12
Filing date: 2021-12-12
Publication date: 2022-06-21
Anticipated expiration: 2031-12-12

Abstract

The utility model relates to a door body for baking cooking equipment and an electric oven, which comprises an outer door plate and an inner door plate, wherein a ventilation interlayer is arranged between the outer door plate and the inner door plate, the lower end of the ventilation interlayer is a ventilation inlet, the upper end of the ventilation interlayer is a ventilation outlet, and the inner door plate is provided with an air inlet communicated with the ventilation interlayer. According to the utility model, the door body is provided with the ventilation interlayer, and outside cold air can enter the ventilation interlayer from bottom to top from the ventilation inlet and is blown out from the ventilation outlet, so that heat transferred to the ventilation interlayer is taken away, the heat is prevented from being further transferred to the outer door panel, and the temperature of the outer door panel is reduced. Meanwhile, partial warm (lower temperature relative to the hot gas inside the inner container) gas in the ventilation interlayer can enter the inner container through the air inlet to properly cool the hot air in the area adjacent to the door body in the inner container, so that the food is prevented from being colored too deeply close to the door body, and the baking uniformity is improved.

Description

Door body for baking cooking equipment and electric oven

Technical Field

The utility model relates to the field of cooking equipment, in particular to a door body and an electric oven for baking cooking equipment.

Background

The oven is a baking cooking equipment that utilizes the radiant heat that electric heating element sent to toast food, and it is provided with heating pipe assembly including the inner bag that is used for toasting food on this inner bag, specifically as follows: the heating device comprises a top heating pipe arranged on the inner top surface of the inner container, a back heating pipe arranged on the inner surface of the back plate of the inner container and a bottom heating pipe arranged at the bottom of the inner container. Meanwhile, the rear side of the inner container is provided with a hot air baffle, the back plate of the inner container is provided with an air heater, the hot air baffle and the back plate of the inner container form a hot air chamber, the fan blades of the air heater are positioned in the hot air chamber, and the back heating pipe is arranged around the periphery of the fan blades. The cold air in the inner container enters the hot air chamber through the air inlet on the hot air baffle plate, and the heated hot air flows back to the inner container through the air outlet on the hot air baffle plate, so that hot air circulation is formed in the inner container.

Further, when the air inside the oven inner container is subjected to hot air circulation, hot air can be blown to the position near the door body at first and then flows back to the back fan blade, so that the temperature of the hot air close to the door body is higher than that of other areas, the food close to the door body is deep colored relative to other parts, and the baking uniformity is poor. In addition, high temperature in the inner container can also radiate to the door body, so that the surface temperature of the door body is overhigh, and potential safety hazards of scalding users exist.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a door body for a grilling cooking apparatus, which can promote the uniformity of grilling.

The second technical problem to be solved by the present invention is to provide a door body for a cooking device capable of effectively reducing the surface temperature of the door body, aiming at the prior art.

The third technical problem to be solved by the present invention is to provide an electric oven with the door body in view of the prior art.

The technical scheme adopted by the utility model for solving at least one technical problem is as follows: a door body for baking cooking equipment comprises an outer door plate and an inner door plate and is characterized in that a ventilation interlayer is arranged between the outer door plate and the inner door plate, the lower end of the ventilation interlayer is a ventilation inlet, the upper end of the ventilation interlayer is a ventilation outlet, and an air inlet communicated with the ventilation interlayer is formed in the inner door plate.

Furthermore, the ventilation interlayer is formed by the front and the back surrounding of the inner surface of the inner door panel and the inner surface of the outer door panel. On the one hand, the ventilation interlayer is simple in structure, on the other hand, the temperature of the outer door plate can be reduced more efficiently by reducing the temperature of air inside the ventilation interlayer, and in addition, the air inlet can be communicated with the ventilation interlayer more conveniently.

Furthermore, the air inlet is arranged in the middle of the inner door plate and is formed by air inlet holes arranged at intervals along the left and right direction. The warm air entering from the air inlet can uniformly act on the area adjacent to the door body, and the influence on the uniformity of the temperature field in the inner container is avoided. In addition, in the baking process, food is generally placed in the inner container area corresponding to the middle of the inner door plate, and the temperature of the food close to the door body can be better reduced through the arrangement.

Furthermore, a flow guide cavity communicated with the air inlet is arranged in the ventilation interlayer, and flow guide holes communicated with the ventilation interlayer are formed in the cavity wall of the flow guide cavity. The flow guide cavity is arranged to play a role of slow flow, so that warm gas in the ventilation interlayer can smoothly enter the inner container through the air inlet, and meanwhile, the flow guide cavity is arranged to prevent external cold air entering from the ventilation inlet from directly contacting with the middle area of the inner door plate (food is generally placed in the inner container area corresponding to the middle area of the inner door plate), so that excessive loss of heat conducted to the inner door plate by the inner container can be avoided.

Furthermore, the diversion cavity extends along the arrangement direction of the air inlet, the diversion holes comprise an upper diversion hole higher than the air inlet and a lower diversion hole lower than the air inlet, and the upper diversion hole and the lower diversion hole are respectively arranged at intervals along the length direction of the diversion cavity. External cold air gets into the ventilation intermediate layer from the ventilation import like this, becomes hot air after mixing with the heat of inner bag heat-conduction to interior door plant to in getting into the water conservancy diversion chamber through water conservancy diversion hole down, partial hot air gets into the first part region of a body through water conservancy diversion hole, and finally arranges outward through the ventilation export, realizes the heat dissipation to the body of a body, and another part hot air gets into the inner bag through the air intake of interior door plant, cools down to the food part that is close to the body. Therefore, by arranging the upper flow guide hole and the lower flow guide hole, on one hand, the air flow can better flow from bottom to top to cool the door body, and on the other hand, part of the air flow can better enter the inner container through the air inlet to cool the food part adjacent to the door body in the inner container.

Furthermore, the upper inner side surface of the flow guide cavity extends horizontally after being bent towards the rear circular arc from top to bottom, each upper flow guide hole is arranged at the front end of the upper inner side surface, the lower inner side surface of the flow guide cavity extends horizontally after being bent towards the rear circular arc from bottom to top, and each lower flow guide hole is arranged at the front end of the lower inner side surface. Thus, the hot air entering the diversion cavity can be guided to the upper inner side surface from the lower inner side surface and enter the upper half area of the door body through the upper diversion hole, the hot air can be guided to the air inlet along the lower inner side surface, and meanwhile, the hot air guided to the upper inner side surface can also be guided to the air inlet along the upper inner side surface.

Furthermore, the ventilation interlayer comprises a flow guide cover fixed in the ventilation interlayer, and the flow guide cover, the inner surface of the outer door plate and the inner surface of the inner door plate form the flow guide cavity in an enclosing mode, so that the flow guide cavity can be formed well.

Furthermore, the air guide sleeve comprises an upper air guide plate and a lower air guide plate which are arranged at an upper interval and a lower interval, each air guide plate extends along the left-right direction respectively, wherein the front end edge of the upper air guide plate is fixed with the inner surface of the outer door plate along the length direction, the rear end edge of the upper air guide plate is fixed with the inner surface of the inner door plate along the length direction, the front end edge of the lower air guide plate is fixed with the inner surface of the outer door plate along the length direction, the rear end edge of the lower air guide plate is fixed with the inner surface of the inner door plate along the length direction, and a left shielding plate and a right shielding plate are arranged at the left end and the right end of the upper air guide plate and the lower air guide plate in a sealing mode respectively. Thereby enabling the air guide sleeve to be stably arranged in the ventilation interlayer and better enclosing the air guide cavity with the inner door plate and the outer door plate.

Furthermore, the cross section of the upper guide plate extends horizontally after being bent from top to bottom towards the rear circular arc, and the cross section of the lower guide plate extends horizontally after being bent from bottom to top towards the rear circular arc. The lower surface of the upper guide plate can better form the upper inner side surface of the guide cavity, and the lower surface of the lower guide plate can better form the lower inner side surface of the guide cavity.

Further, a fan assembly is arranged in the ventilation interlayer. Therefore, under the action of the fan assembly, outside cold air can enter the ventilation interlayer through the ventilation inlet more quickly, and the heat dissipation efficiency of the door body is improved.

Further, the fan assembly includes an upper fan disposed above the guide chamber and a lower fan disposed below the guide chamber. The lower fan rotates to drive outside cold air to enter the ventilation interlayer from the ventilation inlet, and the hotter air can be accelerated to be blown out from the flow guide cavity and discharged outside through ventilation and air outlet under the drive of the upper fan.

Further, go up the fan and include the last pivot that sets up along the left and right sides direction and fix on this last pivot and follow the last flabellum that the left and right sides direction extends, lower fan includes along the lower pivot that the left and right sides direction set up and fix on this lower pivot and follow the lower flabellum that the left and right sides direction extends. Therefore, negative pressure can be better formed in the upper half area and the lower half area of the door body through the rotation of the upper fan and the lower fan, so that outside cold air can be better driven to enter the lower half area of the door body, and the air entering the upper half area of the door body can be more quickly discharged under the driving of the upper fan.

Further, the upper fan and the lower fan can synchronously rotate in the same direction under the driving of the driving mechanism. Adopt same set of actuating mechanism can realize the rotation of last fan and lower fan simultaneously like this to make a body inner structure simple, and through the equidirectional rotation energy between them can form the drive power that the drive air flowed from bottom to top continuously at the upper and lower part of a body.

Furthermore, the driving mechanism comprises a driving motor and a vertically arranged worm, a transmission gear meshed with the middle part of the worm is installed on an output shaft of the driving motor, an upper gear and a lower gear are respectively installed at the same ends of the upper rotating shaft and the lower rotating shaft, and the upper gear and the lower gear are respectively meshed with the upper end and the lower end of the worm. Therefore, after the motor drives the worm to rotate, the upper fan and the lower fan can be driven to synchronously rotate in the same direction through the upper gear and the lower gear.

The technical solution adopted to further solve the third technical problem is as follows: an electric oven is characterized by comprising the door body for the baking cooking equipment.

Compared with the prior art, the utility model has the advantages that: the ventilation interlayer is arranged in the door body, external cold air can enter the ventilation interlayer from bottom to top from the ventilation inlet and is blown out from the ventilation outlet, so that heat transmitted to the ventilation interlayer is taken away, the heat is prevented from being further transmitted to the outer door plate, and the temperature of the outer door plate is reduced. Meanwhile, partial warm gas (the temperature of the hot gas is lower relative to the temperature of the hot gas inside the inner container) in the ventilation interlayer can enter the inner container through the air inlet, and the hot air in the area adjacent to the door body in the inner container is properly cooled, so that the food is prevented from being colored too deeply close to the door body, and the baking uniformity is improved.

Drawings

FIG. 1 is a schematic structural view of a door of an electric oven according to an embodiment of the present invention;

FIG. 2 is a sectional view of a door of the electric oven in accordance with an embodiment of the present invention;

fig. 3 is a partial exploded view of a door of an electric oven according to an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 3, an electric oven includes an inner container (not shown) having an open front, and a door body capable of covering the open front.

The door body comprises an outer door plate 1 and an inner door plate 2, the outer door plate 1 and the inner door plate 2 are both door glass, a ventilation interlayer 3 is arranged between the outer door plate 1 and the inner door plate 2, the lower end of the ventilation interlayer 3 is a ventilation inlet 31, the upper end of the ventilation interlayer is a ventilation outlet 32, and an air inlet 21 communicated with the ventilation interlayer 3 is formed in the inner door plate 2. External cold air can enter the ventilation interlayer 3 from bottom to top from the ventilation inlet 31 and blow out from the ventilation outlet 32, so that heat transmitted to the ventilation interlayer 3 is taken away, the heat is prevented from being further transmitted to the outer door panel 1, the temperature of the outer door panel 1 is reduced, and the effect of heat dissipation of the outer surface of the door body is achieved. Meanwhile, partial warm (lower temperature relative to the hot gas inside the inner container) gas in the ventilation interlayer 3 can enter the inner container through the air inlet 21, and the hot air in the area adjacent to the door body in the inner container is properly cooled, so that the food is prevented from being colored too deeply close to the door body, and the baking uniformity is improved.

There are various specific implementations of the ventilation interlayer 3, and in this embodiment, the ventilation interlayer 3 is enclosed between the inner surface of the outer door panel 1 and the inner surface of the inner door panel 2. Make ventilation intermediate layer 3's simple structure on the one hand, on the other hand can reduce the temperature of outer door plant 1 more high-efficiently through reducing ventilation intermediate layer 3 inside air temperature, in addition, also can air intake 21 and ventilation intermediate layer 3 communicate with each other more conveniently. In this embodiment, the air inlet 21 is formed in the middle of the inner door panel 2 and includes air inlet holes 211 spaced apart from each other in the left-right direction. Thus, warm air entering from the air inlet 21 can uniformly act on the area adjacent to the door body, and the influence on the uniformity of the temperature field in the inner container is avoided. In addition, in the baking process, food is generally placed in the inner container area corresponding to the middle of the inner door panel 2, and the temperature of the food close to the door body can be better reduced through the arrangement.

Furthermore, a flow guide cavity 4 communicated with the air inlet 21 is arranged in the ventilation interlayer 3, and a flow guide hole communicated with the ventilation interlayer 3 is formed in the cavity wall of the flow guide cavity 4. The function of slow flow can be played through setting up water conservancy diversion chamber 4 for the warm gas in the ventilation intermediate layer 3 can gently get into the inner bag through air intake 21, simultaneously, can avoid the direct inner bag region (food is generally placed at the inner bag region that corresponds with the middle zone of inner door plant 2) contact with the middle zone of inner door plant 2 by the outside cold air that ventilation inlet 31 got into through setting up water conservancy diversion chamber 4, thereby can avoid the inner bag to conduct the heat of inner door plant 2 to scatter and disappear too much.

Preferably, the diversion cavity 4 extends along the installation direction of the air inlet 21, the diversion holes include an upper diversion hole 41 with a height higher than the air inlet 21 and a lower diversion hole 42 with a height lower than the air inlet 21, and the upper diversion hole 41 and the lower diversion hole 42 are respectively arranged at intervals along the length direction of the diversion cavity 4. Therefore, outside cold air enters the ventilation interlayer 3 from the ventilation inlet 31, is mixed with heat conducted by the inner container to the inner door panel 2 and then becomes hotter air, and enters the diversion cavity 4 through the lower diversion hole 42, part of hotter air enters the upper half part of the door body through the upper diversion hole 41 and is finally discharged outside through the ventilation outlet 32, the heat dissipation of the door body is realized, the other part of hotter air enters the inner container through the air inlet 21 of the inner door panel 2, and the food part close to the door body is cooled. It can be seen that, by providing the upper diversion holes 41 and the lower diversion holes 42, on one hand, the air flow can better flow from bottom to top to cool the door body, and on the other hand, a part of the air flow can better enter the liner through the air inlet 21 to cool the food part of the liner adjacent to the door body. Further preferably, the upper inner side of the diversion cavity 4 is curved from top to bottom towards the rear circular arc and then extends horizontally, the upper diversion holes 41 are respectively arranged at the front end of the upper inner side, the lower inner side of the diversion cavity 4 is curved from bottom to top towards the rear circular arc and then extends horizontally, and the lower diversion holes 42 are respectively arranged at the front end of the lower inner side. Thus, the hot air entering the diversion cavity 4 can be guided to the upper inner side surface from the lower inner side surface and enter the upper half area of the door body through the upper diversion hole 41, and the hot air can be guided to the air inlet 21 along the lower inner side surface and guided to the upper inner side surface and the hot air can also be guided to the air inlet 21 along the upper inner side surface.

In this embodiment, in order to form the flow guide cavity 4 well, the flow guide cover 5 is fixed in the ventilation interlayer 3, and the flow guide cavity 4 is enclosed between the flow guide cover 5 and the inner surface of the outer door panel 1 and the inner surface of the inner door panel 2, so that the flow guide cavity 4 can be formed well. Specifically, the air guide sleeve 5 includes an upper air guide plate 51 and a lower air guide plate 52 which are arranged at an upper and lower interval, each air guide plate extends along the left and right direction, wherein the front end edge of the upper air guide plate 51 is fixed with the inner surface of the outer door panel 1 along the length direction, the rear end edge is fixed with the inner surface of the inner door panel 2 along the length direction, the front end edge of the lower air guide plate 52 is fixed with the inner surface of the outer door panel 1 along the length direction, the rear end edge is fixed with the inner surface of the inner door panel 2 along the length direction, and a left shielding plate 53 and a right shielding plate 54 are respectively sealed at the left end and the right end of the upper air guide plate 51 and the lower air guide plate 52. Thereby enabling the air guide sleeve 5 to be firmly arranged in the ventilation interlayer 3 and better enclosing the air guide cavity 4 with the inner door panel 2 and the outer door panel 1. Preferably, the cross section of the upper baffle 51 is curved from top to bottom towards the rear arc and then extends horizontally, and the cross section of the lower baffle 52 is curved from bottom to top towards the rear arc and then extends horizontally. Thus, the lower surface of the upper baffle 51 can form the upper inner side surface of the diversion cavity 4, and the lower surface of the lower baffle 52 can form the lower inner side surface of the diversion cavity 4.

In this embodiment, a fan assembly is further disposed in the ventilation interlayer 3. Therefore, under the action of the fan assembly, external cold air can enter the ventilation interlayer 3 through the ventilation inlet 31 more quickly, and the heat dissipation efficiency of the door body is improved. Further, the fan assembly includes an upper fan 6 disposed above the baffle chamber 4 and a lower fan 7 disposed below the baffle chamber 4. The lower fan 7 rotates to drive the external cold air to enter the ventilation interlayer 3 through the ventilation inlet 31, and the upper fan 6 drives the hotter air to be blown out from the diversion cavity 4 and discharged outside through ventilation.

Specifically, the upper fan 6 includes an upper rotating shaft 61 disposed in the left-right direction and upper blades 62 fixed to the upper rotating shaft 61 and extending in the left-right direction, and the lower fan 7 includes a lower rotating shaft 71 disposed in the left-right direction and lower blades 72 fixed to the lower rotating shaft 71 and extending in the left-right direction. Therefore, negative pressure can be better formed in the upper half area and the lower half area of the door body through the rotation of the upper fan 6 and the lower fan 7, so that outside cold air can be better driven to enter the lower half area of the door body, and air entering the upper half area of the door body can be more quickly discharged under the driving of the upper fan 6.

Preferably, in this embodiment, the upper fan 6 and the lower fan 7 can synchronously rotate in the same direction under the driving of the driving mechanism 8. The rotation of the upper fan 6 and the lower fan 7 can be realized simultaneously by adopting the same set of driving mechanism 8, so that the internal structure of the door body is simple, and the driving force for driving the air to flow from bottom to top can be continuously formed at the upper part and the lower part of the door body through the same-direction rotation of the upper fan and the lower fan. Specifically, the driving mechanism 8 includes a driving motor 81 and a vertically disposed worm 82, a transmission gear 83 engaged with a middle portion of the worm 82 is mounted on an output shaft of the driving motor 81, and an upper gear 84 and a lower gear 85 are respectively mounted on the same ends of the upper rotating shaft 61 and the lower rotating shaft 71, and the upper gear 84 and the lower gear 85 are respectively engaged with upper and lower ends of the worm 82. Thus, the motor 81 drives the worm 82 to rotate, and then the upper fan 6 and the lower fan 7 can be driven to synchronously rotate in the same direction through the upper gear 84 and the lower gear 85.

Claims

1. The utility model provides a door body for baking cooking equipment, includes outer door plant (1) and interior door plant (2), its characterized in that, be provided with ventilation intermediate layer (3) between outer door plant (1) and interior door plant (2), the lower extreme of this ventilation intermediate layer (3) is for ventilating import (31) and the upper end is for ventilating export (32), and set up on this interior door plant (2) with the communicating air intake (21) of above-mentioned ventilation intermediate layer (3).

2. The door for a grilling cooking appliance as recited in claim 1, wherein said ventilation interlayer (3) is defined between an inner surface of said outer door panel (1) and an inner surface of said inner door panel (2) in a front-back direction.

3. The door for a cooking device of claim 2, wherein the air inlet (21) is opened at a middle portion of the inner door panel (2) and is formed by air inlet holes (211) spaced apart in a left-right direction.

4. The door body for the grilling cooking equipment as recited in claim 3, wherein a diversion cavity (4) communicating with the air inlet (21) is disposed in the ventilation interlayer (3), and a diversion hole communicating with the ventilation interlayer (3) is disposed on a cavity wall of the diversion cavity (4).

5. The door for a grilling cooking apparatus according to claim 4, wherein the guiding cavities (4) extend along a direction of the air inlets (21), the guiding holes include upper guiding holes (41) having a height higher than the air inlets (21) and lower guiding holes (42) having a height lower than the air inlets (21), and the upper guiding holes (41) and the lower guiding holes (42) are respectively spaced along a length direction of the guiding cavities (4).

6. The door for grilling cooking apparatus as recited in claim 5, wherein an upper inner side of said guiding cavity (4) is curved from top to bottom toward a rear arc and then extends horizontally, each upper guiding hole (41) is disposed at a front end of said upper inner side, a lower inner side of said guiding cavity (4) is curved from bottom to top toward a rear arc and then extends horizontally, and each lower guiding hole (42) is disposed at a front end of said lower inner side.

7. The door for a grilling cooking appliance according to claim 6, further comprising a wind deflector (5) fixed in the ventilation sandwich (3), wherein the wind deflector (5) and the inner surface of the outer door panel (1) and the inner surface of the inner door panel (2) enclose the wind deflector chamber (4).

8. The door for a grill cooking apparatus according to claim 7, wherein the air guide cover (5) includes an upper air guide plate (51) and a lower air guide plate (52) spaced apart from each other in a vertical direction, each air guide plate extends in a left-right direction, wherein a front end of the upper air guide plate (51) is fixed to the inner surface of the outer door panel (1) in a longitudinal direction and a rear end thereof is fixed to the inner surface of the inner door panel (2) in a longitudinal direction, a front end of the lower air guide plate (52) is fixed to the inner surface of the outer door panel (1) in a longitudinal direction and a rear end thereof is fixed to the inner surface of the inner door panel (2) in a longitudinal direction, and left and right ends of the upper air guide plate (51) and the lower air guide plate (52) are respectively sealed with a left shielding plate (53) and a right shielding plate (54).

9. The door for a grilling cooking apparatus as recited in claim 8, wherein a cross section of the upper baffle (51) is curved from top to bottom toward the rear arc and horizontally extends, and a cross section of the lower baffle (52) is curved from bottom to top toward the rear arc and horizontally extends.

10. The door body for the grilling cooking appliance according to any one of claims 4 to 9, wherein a fan assembly is disposed in the ventilation interlayer (3).

11. The door for a grilling cooking appliance as recited in claim 10, wherein said fan assembly comprises an upper fan (6) disposed above said baffle chamber (4) and a lower fan (7) disposed below said baffle chamber (4).

12. The door for a grilling cooking apparatus as recited in claim 11, wherein the upper fan (6) comprises an upper rotating shaft (61) disposed in a left-right direction and upper fan blades (62) fixed to the upper rotating shaft (61) and extending in the left-right direction, and the lower fan (7) comprises a lower rotating shaft (71) disposed in the left-right direction and lower fan blades (72) fixed to the lower rotating shaft (71) and extending in the left-right direction.

13. The door for a grilling cooking appliance as recited in claim 12, wherein said upper fan (6) and said lower fan (7) are synchronously rotatable in the same direction driven by said drive mechanism (8).

14. The door for a grilling cooking apparatus as recited in claim 13, wherein said driving mechanism (8) comprises a driving motor (81) and a vertically disposed worm (82), a driving gear (83) engaged with a middle portion of the worm (82) is installed on an output shaft of the driving motor (81), and an upper gear (84) and a lower gear (85) are respectively installed on the same ends of the upper rotating shaft (61) and the lower rotating shaft (71), and the upper gear (84) and the lower gear (85) are respectively engaged with upper and lower ends of the worm (82).

15. An electric oven having a door for a grilling cooking appliance as claimed in any one of claims 1 to 14.