CN215899452U - Transmission structure of oven and oven comprising transmission structure - Google Patents

Abstract

The utility model provides a transmission structure of an oven and the oven comprising the transmission structure. The transmission structure of the oven comprises: the transmission device comprises a first transmission gear, a transmission belt, a second transmission gear and a rotating rod, and the power device comprises a motor; wherein, the motor includes the motor shaft, the motor shaft with first drive gear fixed connection, first drive gear with pass through between the second drive gear drive the driving belt transmission is connected, second drive gear with dwang fixed connection. The utility model also provides an oven with the transmission structure. The food baking machine can realize automatic food turning in the food baking process and simultaneously has design miniaturization.

Description

Transmission structure of oven and oven comprising transmission structure

Technical Field

The utility model relates to the field of manufacturing and processing of kitchen appliances, in particular to a transmission structure for an oven and the oven comprising the transmission structure.

Background

Ovens are sealed appliances used to cook food or dry products, and are divided into domestic ovens and industrial ovens. The household oven is a food cooking appliance commonly used in daily life of people, can process food materials in a mode of baking food, is convenient for people to eat, is widely applied in daily family use, provides convenience for the life of people, improves the life quality of people, and is popular with people. An industrial oven is a device used in industry to dry products, and is also called oven, drying box, etc. The oven is an electric heating appliance for baking food by using radiation heat emitted by an electric heating element, and can be used for making roast chicken, roast duck, baked bread, cakes and the like. The temperature of the oven is typically adjusted from 50 degrees celsius to 250 degrees celsius depending on the needs of the baked goods.

In addition, a new type of oven, called an "air oven," has also been developed in recent years. The air oven is a cooking appliance for baking food by using a circulating air flow of hot air emitted by an air heating assembly and a fan. Air ovens are commonly used to process pasta, such as bread, pizza, or snacks such as egg tarts, cookies, and the like.

While existing ovens consist essentially of an outer shell, an inner cavity, and a heating element, air ovens typically also include an air heating element. On the one hand, in the oven of the prior art, whether the oven adopts the radiation heating form or the form of heating with air, the radiation area of the heat radiation or the area covered by the hot air flow is limited to a part of the surface of the food material, if the food is not properly stirred in the cooking process, only the part of the food material corresponding to the heating area can be contacted with enough high-temperature radiation or air flow to make the food completely cooked, and the part of the food in other areas is not contacted with enough high temperature and is not cooked frequently. Therefore, the user must turn the food once every certain period of time to uniformly heat all the areas of the food, but such manual turning operation causes considerable inconvenience to the user. Therefore, some prior art ovens have added the function of automatically turning the food, such as by rotating a lever that holds the food within the oven cavity. In another aspect, prior art ovens have an interior cavity that is generally rectangular and that has a horizontal length and width that is generally greater than the height of the cavity. Therefore, when the oven in the prior art is additionally provided with the motor-driven rotating rod to realize automatic turning of food, the driving rotating rod can only be arranged on the side wall of the oven.

Although the purpose that food realized even heating overturns in the oven toasted food can be realized to above-mentioned structure, but the motor of dwang can only be established at the lateral wall of oven, leads to the oven thicker, is unfavorable for the miniaturized design of product, and area is big, and the user uses and experiences poorly.

Therefore, a design which is reasonable in design, realizes automatic turning of food in the process of baking the food and simultaneously realizes miniaturization of the design is needed to be provided for the oven.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a transmission structure of an oven, which has a transmission device and a power device, wherein the transmission device includes a first transmission gear, a transmission belt, a second transmission gear and a rotation rod, and the power device includes a motor; wherein the content of the first and second substances,

the motor includes the motor shaft, the motor shaft with first drive gear fixed connection, first drive gear with pass through between the second drive gear drive belt transmission is connected, second drive gear with dwang fixed connection.

According to a preferred embodiment of the present invention, the first transmission gear further comprises a first transmission gear groove, the second transmission gear further comprises a second transmission gear groove, and the transmission belt further comprises a belt tooth groove, wherein

First transmission gear groove with the meshing of belt tooth's socket, so that first transmission gear drives transmission belt rotates, transmission belt with the meshing of second transmission gear groove, so that transmission belt drives second drive gear rotates.

According to a preferred embodiment of the present invention, the motor further includes a motor shaft, the motor shaft extends outward, the motor is connected to the first transmission gear through the motor shaft, and the motor shaft and the first transmission gear are horizontally arranged on a rotation axis.

According to a preferred embodiment of the present invention, the rotation axis of the first transmission gear and the rotation axis of the second transmission gear are disposed in parallel to each other.

According to a preferred embodiment of the present invention, the rotation axis of the second transmission gear is horizontally arranged with the rotation rod.

According to a preferred embodiment of the present invention, the second transmission gear is fixedly connected to the rotating rod through a rotating shaft, wherein the second transmission gear is fixedly connected to the rotating shaft, and the rotating shaft is fixedly connected to the rotating rod.

According to a preferred embodiment of the present invention, the transmission structure further comprises a first gear fixing plate and a second gear fixing plate, wherein

The first transmission gear and the first gear fixing piece laterally limit the transmission belt,

the second drive gear and the second gear fixing plate laterally confine the drive belt.

According to a second aspect of the present invention, an oven is provided, which includes the transmission structure, a top plate, a first side plate, a second side plate and an inner cavity, wherein the top plate is disposed above the inner cavity, and the first side plate and the second side plate are disposed on two sides of the inner cavity; and is

A motor fixing frame is arranged at the top plate,

the first side plate is provided with a rotating shaft inner side fixing frame and a rotating shaft outer side fixing frame,

and a bracket is arranged at the second side plate.

According to a preferred embodiment of the present invention, the motor is fixed to the motor fixing frame, the rotating shaft is clamped between the rotating shaft inner side fixing frame and the rotating shaft outer side fixing frame, and the rotating rod further includes a connecting clamping groove clamped in the bracket to limit the rotating rod to only rotate axially.

According to a preferred embodiment of the present invention, when the transmission structure works, the motor drives the first transmission gear to rotate through the motor shaft, the first transmission gear drives the second transmission gear to rotate under the driving of the first transmission gear through the transmission belt, and the second transmission gear drives the rotation rod to rotate through the rotation shaft.

According to the technical scheme, the transmission structure drives the rotating rod to rotate in a mode of additionally arranging the motor on the outer side of the inner cavity, so that the heating uniformity in the food baking process is ensured, meanwhile, the motor does not need to be arranged in the thickness direction of the side wall of the inner cavity to drive the rotating rod in a mode of driving the motor to drive the belt to transfer energy, the influence on the overall dimension of a product is minimized, the occupied area is reduced, the user experience is improved, and the manufacturing cost is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.

FIG. 1 is an exploded view of a transmission configuration according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an oven according to an embodiment of the present invention.

Description of reference numerals:

1-a motor; 11-Motor shaft

2-motor fixing frame; 21-motor shaft hole; 22-motor fixing column;

3-a first transmission gear; 31-motor shaft hole; 32-a first transmission gear groove; 33-screw fixing holes;

4-a drive belt; 41-belt tooth grooves;

5 a-a first gear fixing piece; 51 a-first screw fixing hole;

5 b-a second gear fixing plate; 51 b-second screw fixation holes;

6-a second transmission gear; 61-rotating shaft hole; 62-a second transmission gear groove;

7-fixing frame outside the rotating shaft; 71-outer rotating shaft hole;

8-a rotating shaft; 81-rotating rod hole; 82-a rotating shaft head; 83-rotating shaft fixing hole;

9-fixing frame at inner side of rotating shaft; 91-a rotating rod hole; 92-fixed column;

10-rotating rods; 101-an adapter; 102-a transfer card slot;

12-an inner cavity; 121-top plate; 122-a first side panel; 123-a second side plate;

13-a scaffold; 131-U-shaped groove.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the utility model, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

Hereinafter, specific embodiments of the present application will be described with reference to fig. 1 and 2. Fig. 1 illustrates a transmission structure of an oven to which the present application relates, in which a transmission and a power unit of the oven are illustrated; figure 2 illustrates a schematic cross-sectional view of the front of an oven to which the present application relates, showing the mounting location of the oven's transmission and power units relative to the internal cavity.

As shown in fig. 1, the transmission structure of the oven of the present application is composed of a transmission device and a power device, wherein the power device provides power output for the transmission structure, and comprises a motor 1, the motor 1 is provided with a motor shaft 11 extending outwards from the motor 1, and preferably, the motor 1 is a synchronous motor; and transmission has realized the conversion of the axial power take off direction of motor, including first drive gear 3, driving belt 4, second drive gear 6 and dwang 10, wherein, driving belt 4's inboard cover is located first drive gear 3 with outside the second drive gear 6, first drive gear 3 with motor shaft 11 is connected, second drive gear 6 and 8 fixed connection of pivot, and pivot 8 again with dwang 10 fixed connection. As shown in fig. 1, first transmission gear grooves 32 are further disposed on the surface of the first transmission gear 3 in the rotation direction, and a motor shaft hole 31 is further disposed at the rotation axis of the first transmission gear 3, and the motor shaft hole 31 and the motor shaft 11 are fastened to bear the axial power output by the motor 1; second transmission gear grooves 62 which are uniformly distributed are also formed in the surface of the second transmission gear 6 in the rotating direction, and a rotating shaft hole 61 which is matched with the rotating shaft 8 is also formed in the rotating shaft center of the second transmission gear 6; in addition, the inner side surface of the transmission belt is further provided with a belt tooth space 41, and when the transmission belt 4 is sleeved outside the first transmission gear 3 and the second transmission gear 6, the concave-convex tooth space of the belt tooth space 41 is engaged with the first gear groove 32 and the second gear groove 62. When motor 1 drives first drive gear 3 is rotatory, the rotary motion that first drive gear 3 made drives through gear engagement's mode drive driving belt 4 makes corresponding belt drive action, and the transmission action of driving belt 4 further drives then second drive gear 6 is rotatory to make the power accessible that second drive gear 6 obtained 8 exports extremely dwang 10 is synchronous revolution.

In the arrangement relation of the transmission structure components, the motor shaft 11 is fixedly connected with the first transmission gear 3, and the direction in which the motor shaft 11 is connected with the first transmission gear 3 is arranged in the horizontal direction (i.e. the power output is performed transversely in the direction perpendicular to the height direction of the oven); similarly, the second transmission gear 6 is fixedly connected to the rotating shaft 8, the rotating shaft 8 is fixedly connected with the rotating rod 10, and the direction in which the rotating rod 10 is connected with the second transmission gear 6 and the rotating shaft 8 is arranged in a horizontal direction (i.e., power output in a direction transverse to the oven height direction), so that the axial direction around which the second transmission gear 6 rotates is parallel to the axial direction around which the first transmission gear 3 rotates and is located below the first transmission gear 3; when the transmission belt 4 is sleeved on the first transmission gear 3 and the second transmission gear 6, the transmission belt 4 is arranged in the direction perpendicular to the axis around which the first transmission gear and the second transmission gear rotate.

Preferably, in order to limit the movement of the transmission belt 4 in a predetermined rotation direction, the transmission structure is further provided with a first gear fixing plate 5a and a second gear fixing plate 5b, wherein: the first transmission gear 3 is provided with an outer edge protruding out of the first transmission gear groove 32, and when the first gear fixing piece 5a is arranged on the outer side of the first transmission gear 3, the outer edge is matched with the first gear fixing piece 5a to clamp the transmission belt 4 between the first transmission gear and the first transmission gear; the second transmission gear 6 is provided with an outer edge protruding out of the second transmission gear groove 62, and when the second gear fixing piece 5b is arranged on the outer side of the second transmission gear 6, the outer edge is matched with the second gear fixing piece 5b to clamp the transmission belt 4 between the second transmission gear and the second transmission gear; therefore, when the upper end and the lower end of the transmission belt are respectively engaged with the first transmission gear and the second transmission gear, the transverse/horizontal movement of the transmission belt is limited by the limitation of the side surface, so that the movement track of the transmission belt 4 is limited, and the transmission direction of the belt can only transmit along the rotating direction of the transmission belt 4. In a preferred embodiment, the first gear fixing piece 5a and the second gear fixing piece 5b are combined with the first and second transmission gears by screw fastening, as shown in fig. 1, a first screw fixing hole 51a is formed on the first gear fixing piece 5a, a second screw fixing hole 51b is formed on the second gear fixing piece 5b, and the locking gear fixing piece can be locked to realize a side limiting function by inserting screws into the first and second screw fixing holes. In another embodiment, the transmission belt 4 may also adopt a toothless belt to match with a transmission gear without a gear groove, and the power transmission between the transmission gear and the transmission belt is realized through the action of friction force.

Referring to fig. 2:

in a second aspect of the present invention, an oven is provided, where the oven includes the transmission structure of any one of the foregoing embodiments, and further includes a top plate 121, a first side plate 122, a second side plate 123, and an internal cavity 12, and the oven provided in the embodiments of the present application may further include components such as a heating element, a main control plate, control keys, a display element, a temperature control and timing device, and the like. To facilitate understanding of the technical aspects of the present application and to facilitate the drawing figures to be labeled concisely, applicants do not label these elements in the drawing figures.

A motor fixing frame 2 is further disposed at the top plate 121, and a motor shaft hole 21 and a motor fixing column 22 are disposed, the motor fixing frame 2 is fixed at the edge of the top plate 121 on the upper surface of the inner cavity 12, the motor shaft 11 at the motor 1 passes through the motor shaft hole 21 of the motor fixing frame 2, preferably, the motor 1 is fixed on the motor fixing column 22 of the motor fixing frame 2 in a screw fastening manner, and in the first transmission gear direction, the motor shaft hole 31 on the first transmission gear 3 is movably fixed in the motor shaft 11 of the motor 1 passing through the motor fixing frame shaft hole 21 of the motor fixing frame 2, so that the shape of the motor shaft 11 and the shape of the motor shaft hole 31 on the first transmission gear 3 are matched, and when the two are fastened, the motor shaft hole 31 is sleeved outside the motor shaft 11, as shown in fig. 1, the two are preferably interference fit, and the fitting holes are non-circular (or rectangular-like) to avoid slippage during use. The synchronous belt 4 is movably installed outside the first transmission gear 3 in a sleeved manner, wherein the belt tooth groove 41 is engaged with the first transmission gear groove 32, and meanwhile, the first gear fixing piece 5a is fixed in the screw fixing hole 33 of the first transmission gear 3 from the first screw fixing hole 51a in a screw fastening manner.

At the first side plate 122, the rotating shaft 8 includes a rotating shaft hole 81 and a rotating shaft head 82, and a fastening element is mated with the rotating shaft 8: a shaft inner side fixing frame 9 and a shaft outer side fixing frame 7, wherein the shaft 8 penetrates through the first side plate 122 of the inner cavity 12, the direction of the shaft hole 81 is towards the inner side (i.e., inside the cavity) of the first side plate 122 of the inner cavity 12, the direction of the shaft head 82 is towards the outer side (i.e., outside the cavity) of the first side plate 122 of the inner cavity 12, the shaft inner side fixing frame 9 is fixedly installed at the left side of the shaft 8/the first side plate 122, and a shaft hole 91 on the shaft inner side fixing frame 9 is aligned with the central axis of the shaft hole 81 at the axis of the shaft 8; the rotating shaft outer fixing frame 7 is fixedly installed on the right side of the rotating shaft 8/the first side plate 122, and the rotating shaft head 82 at the axis of the rotating shaft 8 penetrates through the outer rotating shaft hole 71 on the rotating shaft outer fixing frame 7; in addition, the rotating shaft outer fixing frame 7 is further provided with 4 fixing holes 72, the fixing holes 72 are aligned with the 4 fixing columns 92 on the rotating shaft inner fixing frame 9 respectively and connected in an inserting manner, and the rotating shaft outer fixing frame 7 and the rotating shaft inner fixing frame 9 are fixed on the inner side and the outer side of the first side plate 122 of the inner cavity 12 respectively in a screw fastening manner. In the first side plate outside, the pivot hole 61 on the second drive gear 6 is fixed in and passes pivot outside mount 7 pivot head 82 department, wherein on the second drive gear 6 the pivot hole 61 with the pivot 8 the shape looks adaptation of pivot head 82, when the two fastening connection, pivot hole 61 cover is located outside the pivot head 82, as shown in fig. 1, the two preferably adopt interference fit, and the adaptation hole is non-circular (or similar rectangle) so as to avoid taking place the phenomenon of skidding in the use. The synchronous belt 4 is movably installed outside the second transmission gear 6 in a sleeving manner, wherein the belt tooth groove 41 is engaged with the second transmission gear groove 62, and meanwhile, the second gear fixing piece 5b is fixed in the rotating shaft fixing hole 83 of the rotating shaft 8 from a second screw fixing hole 51b in a screw fastening manner.

At the second side plate 123, the second side plate further comprises a bracket 13, the bracket 13 is provided with a U-shaped groove 131, and the bracket 13 is fixed on the second side plate 123 of the inner cavity 12 corresponding to the first side plate 122 of the inner cavity 12. The U-shaped groove 131 is disposed on the inner side (i.e. inside the cavity) of the second side plate 123, and the U-shaped groove 131 on the bracket 13 is aligned with the central axis of the rotating rod hole 81 on the rotating shaft 8, i.e. the connecting line of the two is perpendicular to the height direction of the oven.

The two ends of the rotating rod 10 further include an adapter slot 102 at one end of the second side plate 123 and the adapter 101 (at one end of the first side plate 122). When the rotating rod 10 is installed in the oven, the adapter 101 is movably and fixedly installed in the rotating rod hole 81 of the rotating shaft 8 at the inner side (i.e. inside the cavity) of the first side plate 122 at one side of the first side plate 122, and because the adapter is inserted into the rotating rod hole 81 in a sleeving manner, the moving manner of the rotating rod 10 at the end of the first side plate is limited to only making a rotating movement; on the side of the second side plate 123, the movable fixed mounting of the adapter card slot 102 on the rotating rod 10 is in the U-shaped slot 131 of the bracket 13 inside the second side plate 123 (i.e. inside the cavity), and because the U-shaped slot is clamped and arranged in the U-shaped slot 102, the moving mode of the end rotating rod 10 at the second side plate end is limited to only make the rotating motion, and meanwhile, the opening is formed in the U-shaped slot, the rotating rod 10 can be loaded in/unloaded out of the rotating rod 10 by the opening under the action of applying a certain external force, and the U-shaped structure after the U-shaped slot 131 can ensure that the rotating rod 10 plays an effective limiting role to make the moving mode of the rotating rod 10 limited to only make the rotating motion. Preferably, in order to ensure durability and strength, the rotating rod is made of metal, and food can be fixed on the rotating rod for cooking through puncturing and the like in the cooking process, so that the heating area of the food is maximized for one of important considerations during rotation, and since the rotating rod 10 is arranged between the first side plate 122 and the second side plate 123 in the horizontal direction of the oven, the area spanned by the rotating rod in the oven is maximized, so that the maximization of the uniform heating surface of the food is ensured during rotation.

Therefore, the transmission structure of the utility model drives the rotating rod to rotate by adding the motor at the outer side of the inner cavity, thereby ensuring the heating uniformity in the process of baking food; according to the utility model, the motor drives the transmission belt 4, and the transmission belt 4 transfers the power transmission direction, so that the position of the motor is more flexible and changeable, and the motor does not need to be arranged in the thickness direction of the side wall of the inner cavity to drive the rotating rod, thereby minimizing the influence of the overall dimension of the product, reducing the occupied area, improving the user experience and reducing the manufacturing cost; in addition, the motor is arranged on the top plate, and the rotating rod is arranged between the first side plate and the second side plate, so that the rotatable space of food cooked in the inner cavity is maximized on the premise of ensuring the minimized overall dimension, and the cooking efficiency and the cooking flexibility are further improved.

So far, some specific embodiments of the present invention have been described in detail by way of examples, but it should be understood by those skilled in the art that the above examples are only for illustrative purposes and are not intended to limit the scope of the present invention. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (9)

1. A transmission structure of an oven, comprising: the transmission device comprises a first transmission gear (3), a transmission belt (4), a second transmission gear (6) and a rotating rod (10), and the power device comprises a motor (1); wherein the content of the first and second substances,

motor (1) includes motor shaft (11), motor shaft (11) with first drive gear (3) fixed connection, first drive gear (3) with pass through between second drive gear (6) driving belt (4) transmission is connected, second drive gear (6) with dwang (10) fixed connection.

2. The transmission structure of an oven according to claim 1, characterized in that the first transmission gear (3) further comprises a first transmission gear groove (32), the second transmission gear (6) further comprises a second transmission gear groove (62), the transmission belt (4) further comprises a belt spline (41), wherein

First transmission gear groove (32) with belt tooth's socket (41) meshing, so that first transmission gear (3) drive driving belt (4) rotate, driving belt (4) with second transmission gear groove (62) meshing, so that driving belt (4) drive second transmission gear (6) rotate.

3. The transmission structure of the oven according to claim 2, characterized in that the motor shaft (11) extends outward, the motor (1) is connected with the first transmission gear (3) through the motor shaft (11), and the motor shaft (11) is horizontally arranged with the rotation axis of the first transmission gear (3).

4. The transmission structure of an oven according to claim 3, characterized in that the rotation axis of the first transmission gear (3) and the rotation axis of the second transmission gear (6) are arranged in parallel to each other.

5. The transmission structure of the oven according to claim 4, characterized in that the rotation axis of the second transmission gear (6) is arranged horizontally with the rotation rod (10).

6. The transmission structure of the oven according to claim 5, characterized in that the second transmission gear (6) is fixedly connected with the rotation rod (10) through a rotation shaft (8), wherein the second transmission gear (6) is fixedly connected with the rotation shaft (8), and the rotation shaft (8) is fixedly connected with the rotation rod (10).

7. The transmission structure of an oven according to claim 6, characterized in that it further comprises a first gear fixing plate (5a) and a second gear fixing plate (5b), wherein

The first transmission gear (3) and the first gear fixing piece (5a) laterally limit the transmission belt (4),

the second transmission gear (6) and the second gear fixing plate (5b) laterally limit the transmission belt (4).

8. An oven, characterized in that it comprises a transmission structure according to any one of claims 1 to 7, and further comprises a top plate (121), a first side plate (122), a second side plate (123) and an inner cavity (12), said top plate (121) being disposed above said inner cavity (12), said first side plate (122) and said second side plate (123) being disposed on either side of said inner cavity (12); and is

A motor fixing frame (2) is arranged at the top plate (121),

a rotating shaft inner side fixing frame (9) and a rotating shaft outer side fixing frame (7) are arranged at the first side plate (122),

and a bracket (13) is arranged at the second side plate (123).

9. The oven according to claim 8, characterized in that the motor (1) is fixed to the motor fixing frame (2), the rotating shaft (8) is clamped between the rotating shaft inner fixing frame (9) and the rotating shaft outer fixing frame (7), the rotating rod (10) further comprises a connecting clamping groove (102), the connecting clamping groove (102) is clamped on the bracket (13), and the rotating rod (10) is limited to only rotate axially.

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