Electric oven capable of automatically adjusting height of baking tray

Abstract

The utility model belongs to the technical field of ovens, and particularly relates to an electric oven capable of automatically adjusting the height of a baking tray, which comprises an oven body, an inner container and a lifting mechanism, the lifting mechanism comprises a driving motor, a driving rotating shaft in transmission connection with the driving motor, a first transmission connecting assembly used for being in transmission connection with the driving motor and the driving rotating shaft, a lifting movable part movably arranged in the inner container in a lifting mode in the vertical direction, and a second transmission connecting assembly used for being in transmission connection with the driving rotating shaft and the lifting movable part. The baking tray is placed on the lifting movable part, the driving motor is matched with the first transmission connecting assembly to drive the driving rotating shaft to rotate, and the driving rotating shaft is matched with the second transmission connecting assembly to drive the lifting movable part to ascend and descend in the vertical direction when rotating, so that the baking tray and food placed on the baking tray are driven to ascend and descend in the baking process of the oven. The baking requirements of food on different layer heights in the inner container are met, and the food baking effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oven technical field especially relates to an automatic adjustment electric oven of height of baking tray.

BACKGROUND

[0002] Oven is gradually becoming the kitchen equipment that people often use in daily life. With the continuous development of oven technology, the diversified functions of oven are more and more. When people use oven to bake different foods, the height required by each food in the oven is different, so the user needs to put different foods on different levels of baking tray.

[0003] In the existing oven structure, the interlayer spacing distribution of the baking tray is usually fixed shelf or rib on the inner container for the baking tray to rest, such as the electric oven disclosed in the patent with publication number CN105725844A. During the baking process, the food can only be placed on the shelf or baking tray corresponding to the fixed layer height, and the air outlet position of the oven is usually fixedly arranged, and the heating of different positions in the oven inner container is often uneven. The food placed at the fixed layer height in the oven inner container will also be relatively fixed, which leads to color difference in different positions of the baked food, affecting the baking effect of the food.

SUMMARY

[0004] The utility model aims at providing an automatic adjustment electric oven of height of baking tray, which can drive the baking tray to ascend and descend during the baking process to meet the baking needs of food at different layer heights in the inner container and ensure the baking effect of food.

[0005] The utility model is realized by the following technical schemes:

[0006] An automatic adjustment electric oven of height of baking tray, comprising a box body, an inner container arranged in the box body, and a lifting mechanism for placing and driving the baking tray to ascend and descend, the lifting mechanism comprises:

[0007] A driving motor arranged on the box body;

[0008] A driving shaft in transmission connection with the driving motor;

[0009] A first transmission connection assembly for transmission connection between the driving motor and the driving shaft;

[0010] Lifting movable parts arranged in the inner container along the vertical direction, the two lifting movable parts are oppositely arranged on the inner wall of the inner container and used for placing and supporting the baking tray;

[0011] A second transmission connection assembly for transmission connection between the driving shaft and the lifting movable part, so that the lifting movable part ascends and descends along the vertical direction with the rotation of the driving shaft.

[0012] The electric oven with automatic adjustment of the height of the baking tray, the first transmission connection assembly comprises:

[0013] The first transmission wheel is arranged on the rotating output end of the driving motor;

[0014] The second transmission wheel is arranged on the driving rotating shaft;

[0015] The transmission belt is sleeved on the first transmission wheel and the second transmission wheel.

[0016] The electric oven with automatic adjustment of the height of the baking tray, the box is provided with two first rotating shaft support seats arranged oppositely and located at two ends of the driving rotating shaft, and a rotating bearing is arranged between the driving rotating shaft and the first rotating shaft support seat.

[0017] The electric oven with automatic adjustment of the height of the baking tray, the inner container is provided with two lifting sliding rails arranged oppositely on the inner wall and a sliding block arranged on the lifting sliding rail, the lifting movable part comprises a movable part mounting plate connected with the sliding block and a baking tray support plate connected with the movable part mounting plate and used for supporting the baking tray.

[0018] The electric oven with automatic adjustment of the height of the baking tray, the second transmission connection assembly comprises:

[0019] The transmission sliding groove is arranged on the movable part mounting plate in the horizontal direction;

[0020] The first transmission rotating shaft is arranged on the inner container in the horizontal direction, one end of the first transmission rotating shaft extends into the inner container, and the other end of the first transmission rotating shaft extends out of the inner container;

[0021] The driving lever is connected with one end of the first transmission rotating shaft extending into the inner container, and the other end of the driving lever is rotatably connected with a driving wheel, and the driving wheel is movably arranged in the transmission sliding groove;

[0022] The worm wheel part is arranged on the other end of the first transmission rotating shaft extending out of the inner container;

[0023] The second transmission rotating shaft is arranged on the inner container in the vertical direction;

[0024] The worm part is arranged on one end of the second transmission rotating shaft and connected with the worm wheel part;

[0025] The first bevel gear is arranged at two ends of the driving rotating shaft;

[0026] The second bevel gear is arranged at the end of the second transmission rotating shaft away from the worm gear, and is connected with the first bevel gear; when the driving rotating shaft rotates, the second transmission rotating shaft rotates, when the second transmission rotating shaft rotates, the first transmission rotating shaft rotates, when the first transmission rotating shaft rotates, the driving rod swings circumferentially, when the driving rod swings circumferentially, the driving wheel reciprocates in the transmission sliding groove, so as to drive the lifting movable part to reciprocate.

[0027] The electric oven capable of automatically adjusting the height of the baking tray is characterized in that the second rotating shaft support seat is arranged between the inner container and the first transmission rotating shaft, and the rotating bearing is arranged between the second rotating shaft support seat and the first transmission rotating shaft.

[0028] The electric oven capable of automatically adjusting the height of the baking tray is characterized in that the third rotating shaft support seat is arranged on the outer wall of the inner container and located at the two ends of the second transmission rotating shaft, and the rotating bearing is arranged between the second transmission rotating shaft and the third rotating shaft support seat.

[0029] The electric oven capable of automatically adjusting the height of the baking tray is characterized in that the protective box is arranged on the outer wall of the inner container and covers the worm gear and the worm gear.

[0030] Compared with the prior art, the electric oven capable of automatically adjusting the height of the baking tray has the following advantages:

[0031] The electric oven capable of automatically adjusting the height of the baking tray is characterized in that the electric oven capable of automatically adjusting the height of the baking tray comprises a box body, an inner container, and a lifting mechanism, the lifting mechanism comprises a driving motor, a driving rotating shaft connected with the driving motor in a transmission mode, a first transmission connecting assembly for transmission connection between the driving motor and the driving rotating shaft, a lifting movable part arranged in the inner container and movable in a vertical direction, and a second transmission connecting assembly for transmission connection between the driving rotating shaft and the lifting movable part, when in use, the baking tray is placed on the lifting movable part, the driving rotating shaft is driven to rotate by the driving motor in cooperation with the first transmission connecting assembly, and the lifting movable part is driven to move in the vertical direction by the second transmission connecting assembly in cooperation with the driving rotating shaft, so as to drive the baking tray and the food placed on the baking tray to move up and down during the baking process in the oven, to meet the baking needs of the food at different heights in the inner container, and to ensure the baking effect of the food.

[0032] Meanwhile, the electric oven capable of automatically adjusting the height of the baking tray can drive the two lifting movable parts arranged in opposite directions to move up and down synchronously by using one driving motor, the use cost is low, the driving motor does not need to be driven in a reverse direction to realize the synchronous reciprocating movement of the lifting movable parts, the cost is low, and the motor failure rate is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced.

[0034] Fig. 1A structure schematic view of the electric oven in the specific embodiment of the present application is shown in the figure.

[0035] Fig. 2 A structure schematic view of the electric oven in the specific embodiment of the present application is shown in the figure.

[0036] Fig. 3 A structure schematic view of the lifting mechanism in the specific embodiment of the present application is shown in the figure.

CONCRETE EMBODIMENT

[0037] In order to make the technical problems, technical solutions and beneficial effects solved by the present application more clear and understandable, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0038] When the ordinal numbers such as "first", "second" and the like are mentioned in the embodiments of the present application, unless it is expressed the order according to the context, it should be understood that they are only used for distinguishing.

[0039] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] The specific embodiments, such as Figs. 1-3The electric oven with automatic adjustment of the height of the baking tray comprises a box body 1, an inner container 2 arranged in the box body 1, and a lifting mechanism 3 for placing and driving the lifting movement of the baking tray, wherein the lifting mechanism 3 comprises a driving motor 31 arranged on the box body 1, a driving rotating shaft 32 in transmission connection with the driving motor 31, a first transmission connection assembly 33 for transmitting the driving motor 31 and the driving rotating shaft 32, lifting movable parts 34 arranged in the inner container 2 in the vertical direction, the two lifting movable parts 34 are oppositely arranged on the inner wall of the inner container 2 for placing and supporting the baking tray, a second transmission connection assembly 35 for transmitting the driving rotating shaft 32 and the lifting movable parts 34, so that the lifting movable parts 34 are lifted in the vertical direction along with the rotation of the driving rotating shaft 32. When in use, the baking tray is placed on the lifting movable parts, the driving rotating shaft is driven to rotate by the driving motor cooperating with the first transmission connection assembly, and the lifting movable parts are lifted in the vertical direction by cooperating with the second transmission connection assembly when the driving rotating shaft rotates, so as to drive the baking tray and the food placed on the baking tray to lift during the baking process in the oven, so as to meet the baking needs of the food at different heights in the inner container and ensure the baking effect of the food. One driving motor can drive two oppositely arranged lifting movable parts to lift synchronously, and the use cost is low.

[0041] Specifically, the first transmission connection assembly 33 comprises a first transmission wheel 331 arranged on the rotating output end of the driving motor 31, a second transmission wheel 332 arranged on the driving rotating shaft 32, and a transmission belt 333 sleeved on the first transmission wheel 331 and the second transmission wheel 332. The structure is reasonable and simple.

[0042] In addition, the box body 1 is provided with two first rotating shaft support seats 4 oppositely arranged and located at both ends of the driving rotating shaft 32, and a rotating bearing is arranged between the driving rotating shaft 32 and the first rotating shaft support seat 4. The support is stable, and the rotation is more stable.

[0043] Further, the inner wall of the inner container 2 is provided with two oppositely arranged lifting sliding rails 5 and sliding blocks 6 arranged on the lifting sliding rails 5, the lifting movable parts 34 comprise movable part mounting plates 341 connected with the sliding blocks 6 and baking tray support plates 342 connected with the movable part mounting plates 341 for supporting the baking tray. The lifting movable parts 34 are lifted stably.

[0044] More specifically, the second transmission connection assembly 35 comprises: a transmission chute 351 provided on the movable element mounting plate 341 in a horizontal direction; a first transmission rotating shaft 352 rotatably provided on the inner container 2 in a horizontal direction, with one end extending into the inner container 2 and the other end extending out of the inner container 2; a poking driving rod 353, one end of which is connected to the end of the first transmission rotating shaft 352 extending into the inner container 2, and the other end of which is rotatably connected with a poking wheel 354 movably provided in the transmission chute 351; a worm gear element 355 provided on the end of the first transmission rotating shaft 352 extending out of the inner container; a second transmission rotating shaft 356 rotatably provided on the inner container 2 in a vertical direction; a worm element 357 provided on one end of the second transmission rotating shaft 356 and connected with the worm gear element 355; a first bevel gear 358 provided on both ends of the driving rotating shaft 32; and a second bevel gear 359 provided on the end of the second transmission rotating shaft 356 away from the worm element 357 and connected with the first bevel gear 358. When the driving rotating shaft 32 rotates, the second transmission rotating shaft 356 is driven to rotate, when the second transmission rotating shaft 356 rotates, the first transmission rotating shaft 352 is driven to rotate, when the first transmission rotating shaft 352 rotates, the poking driving rod 353 is driven to swing circumferentially, when the poking driving rod 353 swings circumferentially, the poking wheel 354 is driven to reciprocally move in the transmission chute 351, so as to drive the lifting movable element 34 to reciprocally move up and down. The driving motor can realize the synchronous reciprocating movement of the lifting movable element without reversing driving, which is low in cost and reduces the motor failure rate.

[0045] Further, the second rotating shaft support seat 7 is provided between the inner container 2 and the first transmission rotating shaft 352, and a rotating bearing is provided between the second rotating shaft support seat 7 and the first transmission rotating shaft 352. The support is stable, and the first transmission rotating shaft 352 rotates stably.

[0046] Still further, the third rotating shaft support seat 8 is provided on the outer wall of the inner container 2 in opposite positions and located at both ends of the second transmission rotating shaft 356, and a rotating bearing is provided between the second transmission rotating shaft 356 and the third rotating shaft support seat 8. The support is stable, and the second transmission rotating shaft 356 rotates stably.

[0047] Specifically, in order to protect the transmission assembly and improve the service life, the protective box 9 is provided on the outer wall of the inner container 2 to cover the worm gear element 355 and the worm element 357.

[0048] The above description is an embodiment provided in combination with specific content, and does not mean that the specific implementation of the utility model is limited to these descriptions. Since the industry naming is not the same, the naming is not limited to the above, and the naming is not limited to English. Any approximation, similarity or replacement of the method and structure of the utility model, or any technical deduction or replacement under the concept of the utility model, should be regarded as the protection range of the utility model.

Claims

1. An electric oven with automatic adjustment of baking tray height, characterized in that: The invention comprises a box body (1), an inner container (2) arranged in the box body (1), and a lifting mechanism (3) for placing and driving the lifting movement of a baking tray, wherein the lifting mechanism (3) comprises: A driving motor (31) is provided on the housing (1); A driving shaft (32) is connected to the driving motor (31); A first transmission connection assembly (33) for transmission connection between the drive motor (31) and the drive shaft (32); A lifting movable member (34) is provided in the inner container (2) and is movable in a vertical direction. Two lifting movable members (34) are provided on the inner wall of the inner container (2) relative to each other and are used to place and support the baking tray. The second transmission connection assembly (35) is used for transmission connection between the driving shaft (32) and the lifting movable member (34), so that the lifting movable member (34) moves up and down in the vertical direction as the driving shaft (32) rotates.

2. The electric oven with automatic adjustment of baking tray height according to claim 1, characterized in that: The first transmission connection assembly (33) comprises: A first transmission wheel (331) is provided at the rotation output end of the driving motor (31); a second transmission wheel (332) disposed on the driving shaft (32); The transmission belt (333) is sleeved on the first transmission wheel (331) and the second transmission wheel (332).

3. The electric oven with automatic adjustment of baking tray height according to claim 1, characterized in that: The box body (1) is provided with two first rotating shaft support seats (4) which are arranged opposite to each other and are located at both ends of the driving rotating shaft (32); a rotating bearing is provided between the driving rotating shaft (32) and the first rotating shaft support seats (4).

4. The electric oven with automatic adjustment of baking tray height according to claim 1, characterized in that: Two lifting rails (5) arranged opposite to each other and sliders (6) arranged on the lifting rails (5) are provided on the inner wall of the inner container (2); the lifting movable member (34) comprises a movable member mounting plate (341) connected to the sliders (6) and a baking tray support plate (342) connected to the movable member mounting plate (341) for supporting the baking tray.

5. The electric oven with automatic adjustment of baking tray height according to claim 4, characterized in that: The second transmission connection assembly (35) comprises: A transmission chute (351) is arranged on the movable member mounting plate (341) in a horizontal direction; A first transmission shaft (352) is disposed on the inner container (2) and is rotatable in a horizontal direction, with one end extending into the inner container (2) and the other end extending out of the inner container (2); A toggle drive rod (353) has one end connected to one end of the first transmission shaft (352) extending into the inner container (2), and the other end is rotatably connected to a toggle wheel (354), wherein the toggle wheel (354) is movably arranged in the transmission slide groove (351); A worm gear (355) is provided at one end of the first transmission shaft (352) extending outside the inner container; A second transmission shaft (356) is arranged on the inner container (2) to rotate in a vertical direction; a worm member (357) disposed at one end of the second transmission shaft (356) and connected to the worm gear member (355); A first bevel gear (358) is provided at both ends of the driving shaft (32); The second bevel gear (359) is arranged at one end of the second transmission shaft (356) away from the worm member (357) and is connected to the first bevel gear (358); when the driving shaft (32) rotates, the second transmission shaft (356) is driven to rotate, and when the second transmission shaft (356) rotates, the first transmission shaft (352) is driven to rotate, and when the first transmission shaft (352) rotates, the toggle drive rod (353) is driven to swing circumferentially, and when the toggle drive rod (353) swings circumferentially, the toggle wheel (354) is driven to reciprocate in the transmission slot (351), so as to drive the lifting movable member (34) to perform reciprocating lifting movement.

6. The electric oven with automatic adjustment of baking tray height according to claim 5, characterized in that: A second rotating shaft support seat (7) is provided between the inner container (2) and the first transmission rotating shaft (352), and a rotating bearing is provided between the second rotating shaft support seat (7) and the first transmission rotating shaft (352).

7. The electric oven with automatic adjustment of baking tray height according to claim 5, characterized in that: Two third rotating shaft support seats (8) are provided on the outer wall of the inner container (2) and are arranged opposite to each other and located at both ends of the second transmission rotating shaft (356). A rotating bearing is provided between the second transmission rotating shaft (356) and the third rotating shaft support seat (8).

8. The electric oven with automatic adjustment of baking tray height according to claim 5, characterized in that: A protective box (9) is provided on the outer wall of the inner container (2) and covers the worm wheel (355) and the worm gear (357).

Images