CN112438614A

CN112438614A - Baking tray and grill movement mechanism and oven with same

Info

Publication number: CN112438614A
Application number: CN201910819850.7A
Authority: CN
Inventors: 王黎喆; 杨均; 曹骥
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2021-03-05
Anticipated expiration: 2039-08-31
Also published as: CN112438614B

Abstract

The invention relates to a baking tray grill movement mechanism which comprises a driving source, a transmission mechanism and action assemblies respectively arranged on the left side wall and the right side wall of an oven inner container, wherein each action assembly comprises a sliding rod, a sliding seat, a transmission assembly, a guide piece and a limiting assembly; also relates to an oven with the movement mechanism. According to the invention, the food on the baking tray grill can be uniformly heated by the up-and-down and left-and-right movement of the baking tray grill, so that the cooking effect is improved, and the left and right supports can move back and forth and move up and down smoothly, so that the whole mechanism moves smoothly, and the cooking effect is further improved.

Description

Baking tray and grill movement mechanism and oven with same

Technical Field

The invention relates to the field of cooking devices, in particular to a baking tray and grill movement mechanism and an oven with the same.

Background

Heating device in current oven inner bag generally includes top heating pipe, back heating pipe and bottom heating pipe, and wherein the top heating pipe sets up on the roof of inner bag, and the bottom heating pipe sets up on the diapire of inner bag, and the back heating pipe sets up on the backplate of inner bag to the back of inner bag is provided with hot-blast baffle, and this hot-blast baffle encloses into hot-blast room with the backplate of inner bag, is provided with the air heater in this hot-blast room, and the appearance of above-mentioned back heating pipe is the ring form, and it encloses the periphery of establishing at above-mentioned air heater.

Therefore, the temperature distribution in the oven liner is not uniform, and the food can reach the best cooking effect at the optimum baking temperature. In the general baking process, a baking tray, a grill and the like are fixed at a certain position of the inner container, so that the position of the food in the inner container is unchanged in the baking process. Therefore, the food materials are heated unevenly in the baking process, and the optimal cooking effect cannot be achieved effectively.

For solving above-mentioned problem, chinese utility model patent that patent number is ZL201620102620.0 (the grant bulletin number is CN205729129U) discloses an electric oven, include culinary art cavity, shell and locate overware, heating pipe in the culinary art cavity, culinary art cavity both sides are equipped with the guide rail respectively, the oven is still including being used for control the altitude controller of overware, the altitude controller location the optional position of overware in guide rail stroke range. This patent is used for controlling the location through the setting the overware slides from top to bottom is in the altitude controller of optional position in the guide rail stroke range for the arbitrary high realization of overware in the oven is adjustable, and its simple easy operation can satisfy the needs of different edible materials, further promotion the result of use of oven.

Although the adjustment to the baking temperature can be realized through the oscilaltion of overware to above-mentioned patent, except that there is the vertical difference in temperature in the oven inner bag, also there is the difference in temperature in the horizontal direction, consequently above-mentioned patent can not really solve because of the inside difference in temperature of oven influences the problem of culinary art effect.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a baking tray grill moving mechanism which can simultaneously realize the up-and-down lifting and the front-and-back moving of the baking tray grill aiming at the prior art.

The second technical problem to be solved by the invention is to provide a baking tray grill movement mechanism which is smooth in up-and-down lifting and back-and-forth movement of the baking tray grill aiming at the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a overware gridion motion, respectively with set up left and right leg joint in oven inner bag left and right sides for drive left and right support removes in the oven inner bag, and above-mentioned left and right support is used for supporting the overware gridion respectively, a serial communication port, including driving source and drive mechanism, this drive mechanism connects on driving source power output shaft, still including setting up the action subassembly on oven inner bag left and right lateral wall respectively, each action subassembly all includes

The sliding rod is fixed on the inner side surface of the oven liner along the front-back direction;

the sliding seat is provided with a through hole which penetrates through the sliding seat in a front-back mode, the sliding seat is sleeved on the sliding rod in a penetrating mode through the through hole and can slide back and forth along the sliding rod, the brackets are fixed on one side of the corresponding sliding seat, and the height of the through hole is larger than the width of the sliding rod;

the transmission assembly comprises a transmission gear and a transmission gear ring meshed with the transmission gear, wherein the transmission gear is connected with the transmission mechanism, the transmission gear ring is arranged on the other side of the sliding seat, and the transmission gear ring comprises the straight sections which are opposite up and down and arc sections which are respectively connected between two ends of the two straight sections;

the guide piece is used for guiding and limiting the sliding seat in the vertical direction; and

the limiting assembly comprises a limiting rod and a limiting lug, the limiting lug is fixed on the inner side surface of the oven liner and located on one side of the sliding seat, one end of the limiting rod is fixed with the sliding seat, a limiting convex column is convexly arranged at the other end of the limiting rod, and the limiting convex column can move circumferentially along the outer peripheral surface of the limiting lug.

In order to enable each sliding seat to move back and forth and lift up and down more stably, the shape of each transmission gear ring is elliptical, the shape of each limiting convex block is matched with the corresponding transmission gear ring, and each limiting convex column can synchronously move along the peripheral surface of the corresponding limiting convex block when each transmission gear moves along the tooth surface of the corresponding transmission gear ring.

Preferably, each slide seat is in a plate block shape, the left bracket and the right bracket are respectively fixed on the inner side surface of the corresponding slide seat, and the transmission gear rings are respectively arranged on the outer side surface of the corresponding slide seat.

Preferably, each guide part is in a frame shape, each slide seat is respectively positioned in the corresponding guide part, the width of a frame opening of each guide part is matched with the corresponding slide seat, the height of the frame opening of each guide part is larger than that of the corresponding slide seat, the left vertical beam and the right vertical beam of each guide part are respectively provided with a mounting opening, the size of each mounting opening is matched with the corresponding slide rod, each guide part is respectively arranged on the corresponding slide rod through the mounting opening on the guide part and can slide back and forth along the corresponding slide rod, the upper cross beam or the lower cross beam of each guide part is provided with a jack, and the limiting rod) passes through the jack. Therefore, not only can the vertical lifting of each sliding seat be effectively guided, but also when each sliding seat is contacted with the upper frame edge and the lower frame edge of the corresponding guide part, the guide part can apply certain reaction force to the corresponding sliding seat, so that the vertical resetting of each sliding seat is facilitated, and the fluency of the vertical lifting action of each sliding seat is further promoted.

Preferably, the driving source is a driving motor, the transmission mechanism includes a driving gear, a driven gear engaged with the driving gear, a synchronizing shaft, a left transmission shaft, a right transmission shaft, a left bevel gear, and a right bevel gear, the driving gear is fixed to an output shaft of the driving motor, the driven gear is fixed to the synchronizing shaft, the synchronizing shaft is horizontally disposed, and both ends of the synchronizing shaft are respectively provided with a left turbine and a right turbine, the left and right transmission shafts are vertically disposed, respectively, a left coupling gear engaged with the left turbine is fixed to an upper end of the left transmission shaft, a left transmission bevel gear engaged with the left bevel gear is fixed to a lower end of the left transmission shaft, a right coupling gear engaged with the right turbine is fixed to an upper end of the right transmission shaft, a right transmission bevel gear engaged with the right bevel gear is fixed to a lower end of the right transmission shaft, and the left and right transmission gears are respectively engaged, The right bevel gear is fixed.

Further, preferably, the driving source, the driving gear, the driven gear and the synchronizing shaft are all arranged at the top of the oven liner, a first shaft seat is fixed on the top surface of the oven liner, the synchronizing shaft is arranged along the left and right directions of the oven liner and penetrates through the first shaft seat, the left transmission shaft and the right transmission shaft are respectively arranged on the outer left side and the outer right side of the oven liner, a second shaft seat and a third shaft seat are respectively fixed on the outer left side and the outer right side of the oven liner, the left transmission shaft and the right transmission shaft are respectively vertically penetrated through the second shaft seat and the third shaft seat, connecting shafts respectively extend from the end faces of the left transmission gear and the right transmission gear, and each connecting shaft respectively penetrates through the corresponding oven liner side wall and is fixed with the end face of the corresponding bevel gear.

Compared with the prior art, the invention has the advantages that: when the driving source works, each transmission gear is driven to rotate, each rotating transmission gear is transmitted to the corresponding transmission gear ring through meshing action, and when the transmission gears are meshed with the straight sections of the transmission gear rings, the force transmitted to the transmission gear rings by the transmission gears is decomposed into horizontal force and vertical force, wherein the horizontal force drives the sliding seat to move back and forth along the sliding rod, and the vertical force is counteracted by the left and right sides of the peripheral surfaces of the limiting convex columns and the limiting convex blocks, so that the sliding seat can stably slide back and forth along the sliding rod. When the transmission gear is meshed with each arc section of the transmission gear ring, the transmission gear exerts vertical action on the sliding seat, so that the sliding seat can be lifted up and down under the action of the guide piece, the left support and the right support are lifted up and down, and the baking tray grill is lifted up and down. Due to the smooth transition of the arc sections, the left and right supports can move back and forth and lift up and down smoothly, so that the whole mechanism moves smoothly, and the food on the baking tray grill can be heated uniformly by the up-down and left-right movement of the baking tray grill, thereby improving the cooking effect.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is an exploded view of the actuator assembly according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an embodiment of the present invention illustrating the operation of the motion assembly in a first state of motion;

FIG. 5 is a schematic diagram of the second motion state of the motion assembly in accordance with the present invention;

FIG. 6 is a schematic structural diagram of an actuator assembly in a third state of motion according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of the actuating assembly in a fourth motion state according to the embodiment of the present invention.

Detailed Description

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

As shown in fig. 1 to 7, an oven includes an oven inner container 10, a grill moving mechanism is disposed on the oven inner container 10, and is respectively connected to left and

right brackets

51,52 disposed at left and right sides of the oven inner container 10, for driving the left and

right brackets

51,52 to move in the oven inner container 10, and the left and

right brackets

51,52 are respectively used for supporting a grill. The meaning of the baking tray and the baking frame in the invention is baking tray or baking frame.

Further, the baking tray and grill movement mechanism comprises a driving source 1, a transmission mechanism 2 and action components respectively arranged on the left side wall and the right side wall of the oven inner container, and each action component comprises a sliding rod 3, a sliding seat 4, a transmission component 6, a guide piece 7 and a limiting component 8. In the present embodiment, the driving source 1 is a driving motor, and the transmission mechanism 2 includes a driving gear 21, a driven gear 22 engaged with the driving gear 21, a synchronizing shaft 23, a left transmission shaft 24, a right transmission shaft 25, a left bevel gear 26, and a right bevel gear 27. The driving gear 21 is fixed to an output shaft of the driving source 1, the driven gear 22 is fixed to the synchronizing shaft 23, the synchronizing shaft 23 is horizontally disposed, both ends of the synchronizing shaft 23 are respectively provided with a left turbine 231 and a right turbine 232, the left and

right transmission shafts

24 and 25 are respectively vertically disposed, a left coupling gear 241 engaged with the left turbine 231 is fixed to an upper end of the left transmission shaft 24, a left transmission bevel gear 242 engaged with the left bevel gear 26 is fixed to a lower end of the left transmission shaft 24, a right coupling gear 251 engaged with the right turbine 232 is fixed to an upper end of the right transmission shaft 25, and a right transmission bevel gear 252 engaged with the right bevel gear 27 is fixed to a lower end of the right transmission shaft 25. Specifically, the driving source 1, the driving gear 21, the driven gear 22 and the synchronizing shaft 23 are all disposed at the top of the oven liner 10, a first shaft seat 101 is fixed on the top surface of the oven liner 10, the synchronizing shaft 23 is disposed along the left and right directions of the oven liner 10 and penetrates through the first shaft seat 101, the left and

right transmission shafts

24 and 25 are disposed on the outer left side and the outer right side of the oven liner 10 respectively, a second shaft seat 102 and a third shaft seat 103 are fixed on the outer left side and the outer right side of the oven liner 10 respectively, and the left and

right transmission shafts

24 and 25 are vertically penetrated through the second shaft seat 102 and the third shaft seat 103 respectively.

Further, in each action assembly, the slide bar 3 is fixed on the inner side surface of the oven liner 10 along the front-back direction, the slide 4 is provided with a through hole 41 which penetrates through the front-back direction, the slide 4 is sleeved on the slide bar 3 through the through hole 41 and can slide along the slide bar 3 front-back direction, each support is fixed on one side of the corresponding slide 4, the height of the through hole 41 is larger than the width of the slide bar 3, and therefore each slide 4 can generate a certain displacement in the height direction. The transmission assembly 6 comprises a transmission gear 61 and a transmission gear ring 62 engaged with the transmission gear 61, wherein the transmission gear 61 is connected with the transmission mechanism 2, and the transmission gear ring 62 is arranged at the other side of the slide base 4 and comprises the straight sections 621 facing up and down and the arc sections 622 respectively connected between two ends of the two straight sections 621. The guide member 7 is used for guiding and limiting the slide carriage 4 in the vertical direction. The limiting component 8 comprises a limiting rod 81 and a limiting convex block 82, the limiting convex block 82 is fixed on the inner side surface of the oven liner 10, one end of the limiting rod 81 is fixed with the sliding seat 4, the other end of the limiting rod is convexly provided with a limiting convex column 811, and the limiting convex column 811 can move circumferentially along the outer peripheral surface of the limiting convex block 82. In this embodiment, the limiting protrusion 82 is disposed above the sliding seat 4, and accordingly, the lower end of the limiting rod 81 is fixed to the upper end of the sliding seat 4, and the limiting protrusion 811 extends to the upper end of the limiting rod 81.

Further, each of the transmission gears 61 is fixed to the left and

right bevel gears

26 and 27, specifically, in the present embodiment, a connection shaft 73 extends from an outer end surface of each of the transmission gears 61, and each of the connection shafts 73 passes through a side wall of the corresponding oven liner 10 and is fixed to an end surface of the corresponding bevel gear. The connecting shafts 73 are respectively sleeved with bearings 74, so that the transmission gears 61 can be more stably arranged in the oven liner 10.

In the present invention, when the driving source 1 is operated, the driving gear 21 and the driven gear 22 are transmitted to the synchronizing shaft 23, the synchronizing shaft 23 rotates to drive the left and

right transmission shafts

24 and 25 to rotate through the left turbine 231 and the right turbine 232 at the two ends, respectively, and further drive the left and

right bevel gears

26 and 27 at the two sides of the oven liner 10, so that each transmission gear 61 rotates. Each rotating transmission gear 61 is transmitted to the corresponding transmission gear ring 62 through the meshing action, and when the transmission gear 61 is meshed with the straight section 621 of the transmission gear ring 62, the force transmitted from the transmission gear 61 to the transmission gear ring 62 is decomposed into a horizontal force and a vertical force, wherein the horizontal force drives the sliding base 4 to move back and forth along the sliding rod 3, and the vertical force is counteracted through the interaction between the limiting convex column 811 and the outer peripheral surface of the limiting convex block 82, so that the sliding base 4 can smoothly slide back and forth along the sliding rod 3. Specifically, when the transmission gear 61 is engaged with the straight section 621 at the upper end of the transmission gear ring 62, the limiting convex column 811 abuts against the bottom wall of the limiting convex block 82, so as to counteract the upward supporting force of the transmission gear 61 on the sliding seat 4; when the transmission gear 61 is engaged with the straight section 621 at the lower end of the transmission gear ring 62, the limiting convex column 811 abuts against the top wall of the limiting convex block 82, so as to counteract the upward downward pressure of the transmission gear 61 on the sliding seat 4. Thus, the sliding seat 4 slides back and forth along the sliding rod 3, so that the left bracket 52 and the right bracket 52 move back and forth, and then the baking tray grill moves back and forth, as shown in fig. 4-7.

Further, due to the width of the sliding rod 3 corresponding to the height of each through hole 41 on each sliding seat 4, when the transmission gear 61 is engaged with each arc section 622 of the transmission gear ring 62, the transmission gear 61 exerts a vertical acting force on the sliding seat 4, so that the sliding seat 4 can be lifted up and down under the action of the guide 7, and therefore the left and

right brackets

51 and 52 are lifted up and down, and further the baking tray grill is lifted up and down. Due to the smooth transition of the arc section 622, the back and forth movement and the up and down lifting movement of the left and

right brackets

51,52 are smooth, so that the movement of the whole mechanism is smooth, and the up and down movement and the left and right movement of the baking tray grill can ensure that the food on the baking tray grill is uniformly heated, thereby improving the cooking effect. In addition, in this embodiment, the synchronous shaft 23 can realize the synchronous motion of the sliding bases 4, so that the left and

right brackets

51,52 can move back and forth and up and down synchronously, the grill can move in the oven liner 10 smoothly, and the food on the grill can be prevented from falling off due to unstable motion of the grill. Meanwhile, the whole mechanism can be self-locked at a required position through the meshing action of each turbine and the corresponding transmission gear 61 and the meshing action of each transmission bevel gear and the corresponding bevel gear, so that the stability of the structure of the whole mechanism is ensured, and the operation of a user is facilitated.

In order to make the sliding seats 4 move back and forth and lift up and down more stably,

the shape of each driving gear ring 62 is elliptical, the shape of each limiting convex block 82 is matched with the corresponding driving gear ring 62, and when each driving gear 61 moves along the tooth surface of the corresponding driving gear ring 62, each limiting convex column 811 can synchronously move along the peripheral surface of the corresponding limiting convex block 82.

The up-and-down lifting and the back-and-forth movement of the movement mechanism can be smoother through the design.

In this embodiment, each of the sliders 4 has a plate-like shape, the left and

right brackets

51 and 52 are fixed to the inner side surfaces of the corresponding slider 4, and the transmission gear 62 is disposed on the outer side surface of the corresponding slider 4. In order to enable each guide 7 to better vertically guide the corresponding slide seat 4, in this embodiment, each guide 7 is shaped like a frame, each slide seat 4 is located in the corresponding guide 7, the width of the frame opening of each guide 7 matches with the corresponding slide seat 4, the height of the frame opening of each guide 7 is greater than the height of the corresponding slide seat 4, the left and right vertical beams of each guide 7 are respectively provided with a mounting opening 71, the size of each mounting opening 71 matches with the corresponding slide rod 3, each guide 7 is arranged on the corresponding slide rod 3 through the mounting opening 71 thereon and can slide back and forth along the corresponding slide rod 3, the upper beam of each guide 7 is provided with a jack 72, and each limit rod 81 passes through the corresponding jack 72. Like this each slide 4 sets up respectively in the guide 7 that corresponds, and the width of the frame mouth of each guide 7 and the slide 4 phase-match that corresponds, and the height of each guide 7 frame mouth all is greater than the height of the slide 4 that corresponds, can not only guide the vertical lift of each slide 4 effectively, and when each slide 4 and the upper and lower frame limit contact of the guide 7 that corresponds, certain reaction force can be exerted for the slide 4 that corresponds to guide 7, thereby be favorable to each slide 4 to reset from top to bottom, then further promote the smoothness nature of the vertical lift action of each slide 4.

Claims

1. The utility model provides a overware gridion motion, respectively with set up left and right support (51, 52) in oven inner bag (10) left and right sides and be connected for drive left and right support (51, 52) move in oven inner bag (10), and above-mentioned left and right support (51, 52) are used for supporting the overware gridion respectively, a serial communication port, including driving source (1) and drive mechanism (2), this drive mechanism connects on the power output shaft of driving source (1), still including setting up the action subassembly on oven inner bag left and right lateral wall respectively, each action subassembly all includes that drive source (1) and drive mechanism (2), action subassembly all includes

The sliding rod (3) is fixed on the inner side surface of the oven liner (10) along the front-back direction;

a sliding seat (4) which is provided with a through hole (41) penetrating through the front and the back, is sleeved on the sliding rod (3) through the through hole (41) and can slide along the sliding rod (3) front and back, the brackets are respectively fixed on one side of the corresponding sliding seat (4), and the height of the through hole (41) is larger than the width of the sliding rod (3);

the transmission assembly (6) comprises a transmission gear (61) and a transmission gear ring (62) meshed with the transmission gear (61), wherein the transmission gear (61) is connected with the transmission mechanism (2), the transmission gear ring (62) is arranged on the other side of the sliding seat (4), and the transmission gear ring (62) comprises the straight sections (621) which are opposite up and down and arc sections (622) which are respectively connected between two ends of the two straight sections (621);

the guide piece (7) is used for guiding and limiting the sliding seat (4) in the vertical direction; and

the limiting assembly (8) comprises a limiting rod (81) and a limiting lug (82), the limiting lug (82) is fixed on the inner side face of the oven liner (10) and located on one side of the sliding seat (4), one end of the limiting rod (81) is fixed with the sliding seat (4), a limiting convex column (811) is arranged at the other end of the limiting rod in a protruding mode, and the limiting convex column (811) can move circumferentially along the outer peripheral face of the limiting lug (82).

2. The grill movement mechanism of claim 1, wherein the shape of each gear ring (62) is elliptical, the shape of each limit protrusion (82) matches with the corresponding gear ring (62), and when each gear (61) moves along the tooth surface of the corresponding gear ring (62), each limit protrusion (811) can synchronously move along the outer peripheral surface of the corresponding limit protrusion (82).

3. The grill plate movement mechanism of claim 2, wherein each slide carriage (4) is shaped like a plate, the left and right brackets (51, 52) are fixed on the inner side of the corresponding slide carriage (4), and the transmission gear rings (62) are arranged on the outer side of the corresponding slide carriage (4).

4. The grill movement mechanism of claim 1, wherein each guide member (7) is frame-shaped, each slide seat (4) is located in the corresponding guide member (7), and the width of the frame opening of each guide piece (7) is matched with the corresponding sliding seat (4), the height of the frame opening of each guide piece (7) is larger than that of the corresponding slide seat (4), the left and right vertical beams of each guide piece (7) are respectively provided with a mounting opening (71), the size of each mounting opening (71) is matched with the corresponding slide rod (3), and each guide piece (7) is arranged on the corresponding slide bar (3) through the mounting opening (71) on the guide piece and can slide back and forth along the corresponding slide bar (3), the upper or lower beam of each guide piece (7) is provided with an insertion hole (72), and the limiting rod (81) penetrates through the insertion hole (72).

5. The grill plate movement mechanism according to any one of claims 1 to 4, wherein the driving source (1) is a driving motor, the transmission mechanism (2) comprises a driving gear (21), a driven gear (22) engaged with the driving gear (21), a synchronizing shaft (23), a left transmission shaft (24), a right transmission shaft (25), a left bevel gear (26) and a right bevel gear (27),

the driving gear 21 is fixed to an output shaft of the driving source 1, the driven gear 22 is fixed to the synchronizing shaft 23, the synchronizing shaft 23 is horizontally disposed, both ends of the synchronizing shaft 23 are respectively provided with a left turbine 231 and a right turbine 232, the left and right transmission shafts 24, 25 are vertically disposed, a left coupling gear 241 engaged with the left turbine 231 is fixed to an upper end of the left transmission shaft 24, a left transmission bevel gear 242 engaged with the left bevel gear 26 is fixed to a lower end of the left transmission shaft 25, a right coupling gear 251 engaged with the right turbine 232 is fixed to an upper end of the right transmission shaft 25, a right transmission bevel gear 252 engaged with the right bevel gear 27 is fixed to a lower end of the right transmission shaft 25, and the transmission gears 61 are respectively engaged with the left and right bevel gears 26, 27) and (4) fixing.

6. The grill plate movement mechanism of claim 5, wherein the driving source (1), the driving gear (21), the driven gear (22) and the synchronizing shaft (23) are all disposed on the top of the oven inner container (10), a first shaft seat (101) is fixed on the top surface of the oven inner container (10), the synchronizing shaft (23) is disposed along the left and right direction of the oven inner container (10) and penetrates through the first shaft seat (101), the left and right transmission shafts (24, 25) are respectively disposed on the outer left side and the outer right side of the oven inner container (10), a second shaft seat (102) and a third shaft seat (103) are respectively fixed on the outer left side and the outer right side of the oven inner container (10), the left and right transmission shafts (24, 25) are respectively and vertically penetrated through the second and third shaft seats (102, 103),

connecting shafts (73) respectively extend from the outer end faces of the left transmission gear (61) and the right transmission gear (61), and each connecting shaft (73) respectively penetrates through the side wall of the corresponding oven liner (10) and is fixed with the end face of the corresponding bevel gear.

7. An oven using the baking tray and grill moving mechanism as claimed in any one of claims 1 to 6.