CN220859921U - Cooking apparatus - Google Patents

Abstract

The utility model relates to the technical field of cooking equipment, in particular to cooking equipment, and aims to solve the problem that the structure of the existing cooking equipment is complex. The cooking apparatus provided by the present utility model includes: a liner body; the hot air assembly is suitable for supplying hot air into the cooking cavity, and comprises a first hot air unit at least positioned at one side part of the inner container body and a second hot air unit positioned at the top part of the inner container body, the second hot air unit is provided with a second hot air cavity, the second hot air unit comprises a second motor and a second fan arranged in the second hot air cavity, the second hot air unit further comprises a transmission mechanism, and the second motor is connected with the second fan through the transmission mechanism. The cooking equipment provided by the utility model has the advantages of simple structure and low noise.

Description

Cooking apparatus

Technical Field

The utility model relates to the technical field of cooking equipment, and particularly provides cooking equipment.

Background

Cooking equipment such as ovens, steaming and baking integrated machines and the like are one of kitchen appliances which are indispensable to modern families. Taking a steaming oven as an example, the heating modes of the existing steaming ovens in the market comprise an upper heating pipe, a bottom heating pipe and a back heating pipe, and different heating modes are realized by running different heating pipe combinations. Because the heating pipe is fixedly installed, the forming shape of the heating pipe cannot be complicated due to the processing technology of the heating pipe, and the problems of uneven heating, uneven baking and coloring, local burning, local clamping and the like of food materials often exist.

In order to enable food materials in the steaming and baking oven cavity to be heated uniformly, baking and coloring are consistent, a hot air device capable of promoting circulation of hot air is added to the back of a part of steaming and baking oven products, and the circulation of the hot air in the cooking cavity is promoted by operation of a motor and an electric fan in the hot air device, so that the food materials can be kept uniformly colored everywhere, but the effect is limited, and therefore, some manufacturers begin to research to add additional hot air devices to the top of the cooking cavity.

As an improvement, some manufacturers set up overhead direct drive motor and fan at the top of the inner container to construct a top hot air device for increasing high-speed hot air surrounding, and for convenient installation, the motor is directly installed and fixed above the air duct cover plate through the motor bracket, the output shaft of the motor needs to pass through the air duct cover plate, the inner top plate and the inner container top plate in sequence and then is connected with the fan positioned in the hot air cavity, the connecting mode leads to overlong shaft rod of the output shaft of the motor, the rigidity is reduced, vibration noise is easily generated in actual work, and the user experience is reduced.

Accordingly, there is a need in the art for a new cooking apparatus to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to solve the technical problems that the structural design of the top hot air unit of the existing cooking equipment is low in rigidity and high in running noise.

The present utility model provides a cooking apparatus comprising: a liner body configured with a cooking cavity; the hot air assembly is suitable for supplying hot air to the cooking cavity, the hot air assembly comprises a first hot air unit at least positioned at one side part of the inner container body and a second hot air unit positioned at the top of the inner container body, the second hot air unit is provided with a second hot air cavity, the second hot air unit comprises a second motor and a second fan arranged in the second hot air cavity, the second hot air unit further comprises a transmission mechanism, and the second motor is connected with the second fan through the transmission mechanism.

According to the cooking equipment provided by the utility model, the transmission mechanism is arranged to connect the second fan and the second motor, so that the length of the shaft lever of the output shaft of the second motor can be shortened, the rigidity of the shaft lever can be improved, and the equipment size in the height direction can not be influenced; in addition, because the length of the shaft rod is shortened, the eccentric degree of the shaft rod in the rotation process is weakened, the noise in the working process is reduced, and the mute operation effect is achieved.

In some possible embodiments of the above cooking apparatus, the cooking apparatus further comprises a heat dissipation assembly configured with a heat dissipation air duct, the second motor passing through at least a portion of the heat dissipation air duct.

In some possible embodiments of the above cooking apparatus, the driving mechanism is disposed in the heat dissipation air duct.

In some possible embodiments of the above cooking apparatus, the cooking apparatus further comprises an inner top plate, the heat dissipation assembly comprises a wind channel cover plate connected to an upper side of the inner top plate and thus constructing the heat dissipation wind channel, and the transmission mechanism is supported on the inner top plate.

Specifically, the transmission mechanism has the requirement of moving relative to the inner top plate in the working process, so that the hollow column is arranged on the inner top plate in a mode of being supported on the inner top plate, and the annular groove which can be matched with the hollow column is arranged on the transmission mechanism, so that the transmission mechanism has a supporting effect, can not prevent the transmission mechanism from moving relative to the inner top plate, and can also be used for a connecting shaft connected with the transmission mechanism to pass through, thereby playing the roles of protecting the connecting shaft and enhancing the connecting stability of the transmission mechanism. Alternatively, a plurality of bars arranged at intervals may be used instead of the hollow column, and the plurality of bars cooperate with the annular groove to achieve the same supporting effect as the hollow column.

In some possible embodiments of the above cooking apparatus, the driving mechanism is disposed below the heat dissipation air duct.

In some possible embodiments of the above cooking apparatus, the cooking apparatus further comprises an inner top plate disposed above the inner top plate of the inner container body and thus constructing an installation gap, and the driving mechanism is disposed in the installation gap.

In some possible embodiments of the above cooking apparatus, the driving mechanism is disposed in the second hot air chamber.

In some possible embodiments of the cooking apparatus described above, the transmission mechanism comprises a first part and a second part moving relative to each other, the first part being connected to the output shaft of the second motor, the second part having a connecting shaft connected to the second fan.

In some possible embodiments of the cooking apparatus described above, the connecting shaft is integrally formed with or connected to the second portion as a unitary structure.

In some possible embodiments of the cooking apparatus described above, the transmission mechanism is a gear mechanism or a pulley mechanism.

In some possible embodiments of the above cooking apparatus, the second motor is connected to an outer top surface of the air duct cover plate.

In some possible embodiments of the above cooking apparatus, the second motor is connected to the outer top surface of the air duct cover plate through a second motor bracket.

In some possible embodiments of the above cooking apparatus, a second cooling fan is further connected to a side of the second motor facing the air duct cover plate.

In some possible embodiments of the above cooking apparatus, the second cooling fan and the second fan are both connected to an output shaft of the second motor.

In some possible embodiments of the above cooking apparatus, the second hot air unit includes a second fan housing that together with the liner top plate of the liner body forms the second hot air chamber.

In some possible embodiments of the above cooking apparatus, the second fan cover is connected to an inner side of the liner body.

In some possible embodiments of the above cooking apparatus, the second hot air unit further includes a second electric heater disposed in the second hot air chamber, the second electric heater being disposed at a periphery of the second fan.

In some possible embodiments of the above cooking apparatus, the first hot air unit is located at a back of the inner container body.

Drawings

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:

Fig. 1 is a front view of a case of an oven according to embodiment 1 of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a B-B cross-sectional view of FIG. 2;

FIG. 5 is a bottom view of a second fan guard provided in accordance with embodiment 1 of the present utility model in an installed state;

FIG. 6 is a bottom view of FIG. 5 with the second fan guard removed;

Fig. 7 is a top view of a steaming oven according to embodiment 2 of the present utility model;

FIG. 8 is a C-C cross-sectional view of FIG. 7;

list of reference numerals:

1. A housing; 11. an outer panel; 12. an outer bottom plate; 13. an inner top plate; 14. an outer back plate; 15. a front panel; 151. a knob;

2. A liner assembly; 21. a liner body; 211. a liner backboard; 212. a liner top plate; 2121. a pressure relief port; 22. a first hot air unit; 221. a first fan guard; 2211. a first air inlet portion; 2212. a first air outlet part; 222. first electric heating; 223. a first fan; 224. a first motor bracket; 225. a first heat radiation fan; 226. a first motor; 227. a first hot air chamber; 23. a second hot air unit; 231. a second fan guard; 2311. a second air inlet part; 2312. a second air outlet part; 232. a second electric heating; 233. a second fan; 234. a second heat radiation fan; 235. a second motor; 2351. an output shaft; 236. a second hot air chamber; 237. a transmission mechanism; 24. a hanging rack; 25. evaporating pan heating pipes; 26. a pressure relief channel;

3. A heat dissipation assembly; 31. an air duct cover plate; 32. a heat radiation fan; 33. and a heat dissipation air duct.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art can adapt it as desired to suit a particular application. Although the following embodiments are described by taking an oven as an example, the technical solution of the present utility model is not limited thereto, and the present utility model is equally applicable to other types of cooking apparatuses such as ovens, micro steaming and baking all-in-one machines, etc., and all changes of the application object do not deviate from the gist of the present utility model, and all changes should be limited to the protection scope of the present utility model.

Numerous specific details are set forth in the following description in order to provide a better understanding of the utility model. It will be understood by those skilled in the art that the present utility model may be practiced without some of these specific details.

In the description of the present utility model, terms such as "upper", "lower", "inner", "outer", "top", "bottom", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship in actual use, are merely for convenience of description, and do not indicate or imply that the apparatus to be protected must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Moreover, the ordinal terms such as "first," "second," etc., are for convenience of description and are not used to indicate or imply relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Example 1

The structure of the steaming oven according to the embodiment of the present utility model will be described with reference to fig. 1 to 6. In the drawings, fig. 1 is a front view of a steaming oven body according to an embodiment of the present utility model; FIG. 2 is a top view of FIG. 1; FIG. 3 is a cross-sectional view taken along A-A of FIG. 2; FIG. 4 is a B-B cross-sectional view of FIG. 2; FIG. 5 is a bottom view of a second fan guard in an installed state provided by an embodiment of the present utility model; fig. 6 is a bottom view of fig. 5 with the second fan guard removed.

Referring to fig. 1 to 6, an embodiment of the present utility model provides an oven including a cabinet and a door (not shown) pivotally connected to the cabinet. The box body comprises a shell 1, and a liner component 2, a heat dissipation component 3 and the like which are arranged in the shell 1. The outer casing 1 is composed of an outer side plate 11, an outer bottom plate 12, an inner top plate 13, an outer top plate (not shown), an outer back plate 14, a front panel 15 and the like, wherein after the outer side plate 11, the outer bottom plate 12, the inner top plate 13 and the outer back plate 14 are spliced, a mounting cavity for accommodating the liner assembly 2 is formed, the liner assembly 2 is mounted in the mounting cavity, the heat dissipation assembly 3 is mounted above the inner top plate 13, and a knob 151 is arranged on the front panel 15.

The liner assembly 2 in the embodiment of the utility model comprises a liner body 21, and a hot air assembly, a hanging rack 24, an evaporation pan heating pipe 25 and the like which are connected to the liner body 21.

The hot air assembly in this embodiment includes a first hot air unit 22 and a second hot air unit 23, the first hot air unit 22 is located at the back of the liner assembly 2, and the second hot air unit 23 is located at the top of the liner assembly 2.

It is understood that the first hot air unit may be further disposed at the left and right sides of the liner body or at one of the two sides, or may be disposed at the back of the liner body and at the same time at one of the left and right sides or at one of the two sides.

As shown in fig. 1 to 4, the first hot air unit 22 includes a first fan housing 221, a first electric heater 222, a first fan 223, and the like. Specifically, as shown in fig. 4, a first fan housing 221 is connected to the inside of the liner back plate 211 and constructs a first hot air chamber 227 in common with the liner back plate 211, and a first electric heater 222 and a first fan 223 are disposed in the first hot air chamber 227. As shown in fig. 3, the first fan cover 221 is provided with a plurality of ventilation holes, the ventilation holes in the middle form a first air inlet portion 2211 of the first hot air cavity 227, air in the cooking cavity can enter the first hot air cavity 227 through the ventilation holes of the first air inlet portion 2211, the ventilation holes in the periphery of the first air inlet portion 2211 form a first air outlet portion 2212 of the first hot air cavity 227, and hot air in the first hot air cavity 227 can enter the cooking cavity through the ventilation holes of the first air outlet portion 2212, so that hot air circulates between the first hot air cavity 227 and the cooking cavity.

As shown in fig. 4, the first electric heater 222 is wound in a ring-shaped structure so as to be disposed around the periphery of the first fan 223, which is advantageous not only in improving heating efficiency but also in saving installation space. In addition, the first fan 223 is connected with the first motor 226, the first motor 226 is fixedly connected to the outer side of the liner backboard 211 through the first motor bracket 224, in order to avoid overhigh temperature in the motor operation process, the first motor 226 is also connected with the first cooling fan 225, and the first cooling fan 225 and the first fan 223 synchronously rotate, so that the first motor 226 drives the first cooling fan 225 to rotate during the operation of driving the first fan 223, thereby promoting the self cooling of the first motor 226. In the mounted state, the first motor 226, the first heat dissipation fan 225, and the first motor bracket 224 are located in the space between the liner back plate 211 and the outer back plate 14.

The second hot air unit 23 in the embodiment of the present utility model includes a second fan housing 231, a second electric heater 232, a second fan 233, a second heat radiation fan 234, a second motor 235, a transmission mechanism 237, and the like.

Specifically, as shown in fig. 3 to 5, the second fan housing 231 is connected to the inner side of the liner ceiling 212, and constructs a second hot air chamber 236 in cooperation with the liner ceiling 212, and the second electric heater 232 and the second fan 233 are disposed in the second hot air chamber 236. As shown in fig. 5, a plurality of ventilation holes are provided on the second fan cover 231, and the plurality of ventilation holes are arranged in a ring-shaped array, wherein a portion of ventilation holes near the center of the array form a second air inlet 2311, air in the cooking cavity can enter the second hot air cavity 236 through the ventilation holes of the second air inlet 2311, ventilation holes far from the center of the array, which are positioned at the periphery of the second air inlet 2311, form a second air outlet 2312, and hot air in the second hot air cavity 236 can enter the cooking cavity through the second air outlet 2312, so that hot air circulates between the second hot air cavity 236 and the cooking cavity.

Alternatively, the second air outlet portion forming the second hot air chamber 236 may also be constructed by providing a plurality of ventilation holes at a portion of the second fan housing 231 near the edge thereof.

The second fan 233 is disposed in the second hot air chamber 236, the second fan 233 needs to be connected to the output shaft 2351 of the second motor 235, so as to shorten the size of the output shaft 2351, and avoid the problems of low rigidity and high noise caused by excessively long size of the output shaft 2351. Specifically, as shown in fig. 3 and 4, the transmission mechanism 237 in the embodiment of the utility model is disposed in the heat dissipation air duct 33, and includes a first portion (not shown) and a second portion (not shown) that move relative to each other, and the output shaft 2351 of the second motor 235 passes through the air duct cover 31 and is connected to the first portion of the transmission mechanism 237, where the first portion and the second portion can move relative to each other to transmit power, and the second portion has a connection shaft (not shown) that passes through the inner top plate 13 and the inner top plate 212 in sequence and is connected to the second fan 233. By this arrangement, the axial dimension of the output shaft 2351 of the second motor 235 is shortened, and thus the rigidity thereof can be improved, and the noise generated in the operation process can be reduced.

Further, the transmission mechanism 237 is supported on the inner ceiling plate 13. Specifically, a hollow column (not shown) is provided on the inner top plate 13, a groove adapted to the hollow column is provided on the second portion, and a connection shaft is fixedly connected to the second portion, and the connection shaft passes through the hollow column to be connected to the second fan.

In the embodiment of the utility model, the second fan 233 has a single fan blade structure, which is provided with a disk surface, and the disk surface extends towards the cooking cavity to form a first blade (not shown). Alternatively, the disk surface of the second fan 233 may further extend upwards to form a second blade (not shown), so that the second fan is configured as a double-blade fan, and thus an air flow can be formed on both sides of the disk surface, which is beneficial to increasing the hot air volume.

As shown in fig. 2 to 4, the heat dissipation assembly 3 includes an air duct cover plate 31 and a heat dissipation fan 32, the air duct cover plate 31 and the inner top plate 13 are connected to construct a heat dissipation air duct 33, the heat dissipation fan 32 is connected to the heat dissipation air duct 33 for promoting air circulation in the heat dissipation air duct 33, and the heat dissipation fan 32 is a through-flow fan. As shown in fig. 4, in the present embodiment, the top surface portion of the duct cover 31 is disposed obliquely with respect to the inner ceiling 13 to form the heat dissipation duct 33 having a tapered cross section, and the second motor 235 is connected to the outer top surface of the duct cover 31 through a second motor bracket.

In order to avoid the excessive temperature in the operation process of the motor, the second motor 235 is further connected with a second cooling fan 234, and the second cooling fan 234 and the second fan 233 rotate synchronously and are connected to the output shaft 2351, so that the second motor 235 drives the second cooling fan 234 to rotate during the operation of driving the second fan 233, thereby promoting the self cooling of the second motor 235.

As shown in fig. 6, the second electric heater 232 is disposed at the periphery of the second fan 233, and the second electric heater 232 in this embodiment includes two heating pipes, which can be independently controlled to be turned on or off, so as to facilitate adjusting the power of the second electric heater 232.

In addition, the embodiment of the present utility model is described by taking an example of an evaporation oven, which is further provided with a steam supply system (not shown), including an evaporation pan provided on a liner bottom plate (not shown) as shown in fig. 3 or 4, an evaporation pan heating pipe 25 located below the evaporation pan, and the like. In addition, as shown in fig. 3, a pressure relief port 2121 is formed on the liner top plate 212, and a pressure relief channel 26 penetrating through the heat dissipation air duct 33 is connected to the pressure relief port 2121, and can be selectively opened to adjust the pressure in the cooking cavity when the cooking cavity is operated in the steaming mode or the baking mode.

It will be appreciated that when the steaming function is not configured, the relevant structure for generating steam is not necessary.

Based on the structure of the steaming and baking box, in the working process of the steaming and baking box provided by the utility model, the first hot air unit 22 and the second hot air unit 23 can form circulating hot air in a surrounding three-dimensional mode, so that food can be uniformly colored in the cooking process, and the structure of the steaming and baking box is simple, the structural improvement of the existing steaming and baking box is less, and the production cost is reduced.

Example 2

An oven according to embodiment 2 of the present utility model will be described with reference to fig. 7 and 8.

As shown in fig. 7 and 8, the first hot air unit of the steaming oven of the present embodiment is constructed in the same manner as the first hot air unit of embodiment 1, and the heat dissipation duct is constructed in the same manner, except that the arrangement positions of the second motor 235 and the transmission mechanism 237 in the present embodiment are different.

As shown in fig. 7, the second motor 235 in the present embodiment is installed in the heat radiation duct 33, so that heat radiation for the second motor 235 by the air flow of the heat radiation duct can be avoided from providing the second heat radiation fan 234 in embodiment 1. In addition, the transmission mechanism 237 in the present embodiment is disposed in the installation gap between the inner top plate 13 and the liner top plate 212, and the structure of the transmission mechanism 237 refers to embodiment 1, and the transmission mechanism 237 can be connected to the lower side of the inner top plate 13, by such design, the structure of the second hot air unit can be made more compact, and at the same time, noise during operation can be reduced advantageously.

Alternatively, the transmission mechanism 237 may also be disposed within the second hot air cavity 236.

It should be noted that the number of the second fans 233 may be plural, such as two, three, etc.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (18)

1. A cooking apparatus, characterized in that the cooking apparatus comprises:

a liner body configured with a cooking cavity;

The hot air assembly is suitable for supplying hot air to the cooking cavity, the hot air assembly comprises a first hot air unit at least positioned at one side part of the inner container body and a second hot air unit positioned at the top of the inner container body, the second hot air unit is provided with a second hot air cavity, the second hot air unit comprises a second motor and a second fan arranged in the second hot air cavity, the second hot air unit further comprises a transmission mechanism, and the second motor is connected with the second fan through the transmission mechanism.

2. The cooking apparatus of claim 1, further comprising a heat sink assembly configured with a heat sink tunnel, the second motor passing through at least a portion of the heat sink tunnel.

3. Cooking apparatus according to claim 2, wherein the drive mechanism is disposed within the heat dissipation tunnel.

4. A cooking apparatus according to claim 3, further comprising an inner ceiling, the heat sink assembly comprising a tunnel cover plate connected to the upper side of the inner ceiling and thereby constructing the heat sink tunnel, the transmission being supported on the inner ceiling.

5. Cooking apparatus according to claim 2, wherein the driving mechanism is arranged below the heat dissipation air duct.

6. The cooking apparatus of claim 5 further comprising an inner top plate disposed above the inner top plate of the inner body and thereby constructing a mounting gap, the drive mechanism being disposed within the mounting gap.

7. The cooking apparatus of claim 5, wherein the drive mechanism is disposed within the second hot air cavity.

8. Cooking apparatus according to any one of claims 1 to 7, wherein the transmission mechanism comprises a first part and a second part which move relative to each other, the first part being connected to the output shaft of the second motor, the second part having a connecting shaft which is connected to the second fan.

9. Cooking apparatus according to claim 8, wherein the connecting shaft is integrally formed with or connected to the second portion as a unitary structure.

10. Cooking apparatus according to claim 8, wherein the transmission mechanism is a gear mechanism or a pulley mechanism.

11. The cooking apparatus of claim 4 wherein the second motor is connected to an outer top surface of the duct cover.

12. The cooking apparatus of claim 11, wherein the second motor is connected to an outer top surface of the duct cover by a second motor bracket.

13. The cooking apparatus of claim 11, wherein a second cooling fan is further connected to a side of the second motor facing the duct cover plate.

14. The cooking apparatus of claim 13, wherein the second cooling fan and the second fan are both connected to an output shaft of the second motor.

15. The cooking apparatus of claim 1, wherein the second hot air unit comprises a second fan housing that together with a liner ceiling of the liner body forms the second hot air cavity.

16. The cooking apparatus of claim 15, wherein the second fan housing is connected to an inner side of the liner body.

17. The cooking apparatus of claim 1, wherein the second hot air unit further comprises a second electrical heater disposed within the second hot air chamber, the second electrical heater disposed at a periphery of the second fan.

18. The cooking apparatus of claim 1, wherein the first hot air unit is located at a back of the liner body.