CN211380785U

CN211380785U - Cooking utensil with convection heating and heat dissipation exhaust combined system

Info

Publication number: CN211380785U
Application number: CN201921388090.0U
Authority: CN
Inventors: 任富佳; 胡广川; 阮华平; 刘创恒
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-09-01
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a cooking utensil with convection heating and heat dissipation exhaust combined system, including fan motor, heat dissipation exhaust passage and inner bag cavity, fan motor installs on cooking utensil's casing top, fan motor's axis of rotation passes heat dissipation exhaust passage and inner bag cavity, on the axis of rotation coaxial coupling have first flabellum and second flabellum, first flabellum sets up in the inner bag cavity, the second flabellum sets up in the heat dissipation exhaust passage; make a motor of first flabellum and second flabellum sharing through the setting, saved the cost and the space of installing the motor on cooking utensil, simultaneously, the utility model discloses in install the motor on cooking utensil's casing top, and in cooking utensil working process, hot-air is leading-in to the exhaust passage that dispels the heat in from the inner bag cavity, can not pass through fan motor, and fan motor can not receive the heating, and this has prolonged fan motor's life.

Description

Cooking utensil with convection heating and heat dissipation exhaust combined system

Technical Field

The utility model belongs to the technical field of the kitchen appliance technique and specifically relates to cooking utensil with convection heating and heat dissipation exhaust combined system.

Background

In the prior art, when an appliance such as a steaming and baking integrated machine, a steam oven, an oven and the like is put into the appliance for cooking by convection heating, and when the food is heated by using convection heating functions such as wind baking, fan baking and the like, a convection heating system and a heat dissipation exhaust system are indispensable components of the appliance. The conventional convection heating system is usually arranged in a cavity of a cooking appliance and consists of a convection fan and an electric heating tube, the electric heating tube is used for heating, the fan accelerates the air flow in the cavity to realize the uniform heating of food in the cavity, the heat dissipation and exhaust system is usually arranged outside the cavity of the cooking appliance and mainly consists of a heat dissipation fan and an exhaust air channel, and the fan accelerates the air flow in the air channel to realize the rapid heat dissipation and reduce the temperature of the surfaces of an electric device and a structural component outside the cavity.

The conventional convection heating system and the conventional heat dissipation exhaust system are mutually independent in structure and function, are usually located at different positions in space, and need to be provided with a fan motor independently to be used as a convection fan motor and a heat dissipation fan motor respectively. Due to the independence of structure and function, the space occupation is large, the design complexity of the cooking utensil is increased, the number of parts and the cost are increased, and the reliability of the system is also reduced.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims to provide a cooking utensil with convection heating and heat dissipation exhaust combined system through set up a fan motor who supplies convection fan and radiator fan sharing in cooking utensil, saves installation space, prevents the motor high temperature simultaneously.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

cooking utensil with convection heating and heat dissipation exhaust combined system, including fan motor, heat dissipation exhaust passage and inner bag cavity, fan motor installs cooking utensil's casing top, fan motor's axis of rotation passes heat dissipation exhaust passage enters into in the inner bag cavity coaxial coupling has first flabellum and second flabellum in the axis of rotation, first flabellum sets up in the inner bag cavity, the second flabellum sets up in the heat dissipation exhaust passage.

Furthermore, the heat dissipation exhaust passage consists of an air duct cover plate and an air duct bottom plate, the air duct cover plate is arranged on the air duct bottom plate, and the air duct bottom plate is arranged on the inner container cavity of the cooking utensil.

Further, the fan motor is arranged on the air duct cover plate.

Furthermore, an air outlet is formed in the joint of the air duct cover plate and the air duct bottom plate and communicated with the heat dissipation exhaust channel.

Furthermore, an air leakage prevention channel is arranged at the communication position of the heat dissipation exhaust channel and the inner container cavity.

Furthermore, the air duct top plate, the air duct bottom plate and the liner top plate arranged on the liner cavity are all provided with through holes, and a rotating shaft of the fan motor penetrates through the through holes to enter the liner cavity.

Furthermore, the air leakage prevention channel is formed by the air duct bottom plate and a through hole in the liner top plate.

Further, the inner container cavity comprises a convection air channel cavity and a heating cavity.

Further, a convection air channel cover plate is arranged below the liner top plate, a heating pipe is arranged on the convection air channel cover plate, a convection air channel is formed between the convection air channel cover plate and the liner top plate, and the first fan blades are arranged in the convection air channel.

Further, be provided with the intercommunication on the convection duct apron convection duct with the fresh air inlet and the exhaust vent of heating cavity, the fresh air inlet sets up at the central point of wind channel apron and just right first flabellum, the exhaust vent is located the week side outside of first flabellum.

The utility model discloses in have convection heating and heat dissipation exhaust combined system's cooking utensil, through setting up and make first flabellum and second flabellum share a motor, saved the cost and the space of installation motor on cooking utensil, simultaneously, the utility model discloses in install the motor on cooking utensil's casing top, expose in cooking utensil's outside, and in cooking utensil working process, hot-air passes through the operation of first flabellum and after heating food from the inner bag cavity, leads into rapidly in the heat dissipation exhaust passage under the effect of second flabellum and discharges, can not pass through fan motor, fan motor can not receive the heating, and this has big help to the extension of fan motor's life, prevents that fan motor overheated leading to breaking down; meanwhile, the steam heating function of the cooking appliance is considered, so that hot steam can be prevented from being condensed and collected in the heat dissipation exhaust channel to influence the electrical safety of the cooking appliance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a partially enlarged schematic view of the present invention;

fig. 5 is a schematic structural view of the convection duct cover plate of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the examples of the present invention, and it is obvious that the described examples are only a part of examples of the present invention, and not all examples. Based on the middle examples of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present embodiment, the terms "inside", "outside", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish similar items and are not to be construed as requiring a particular order or sequence, and it is to be understood that such use is intended to be interchangeable where appropriate.

To clearly illustrate the design concept of the present invention, the following description is made with reference to the examples.

The utility model discloses cooking utensil with convection heating and heat dissipation exhaust combined system, including fan motor, heat dissipation exhaust passage and inner bag cavity, fan motor installs cooking utensil's casing top, fan motor's axis of rotation is passed heat dissipation exhaust passage with the inner bag cavity coaxial coupling has first flabellum and second flabellum in the axis of rotation, first flabellum sets up in the inner bag cavity, the second flabellum sets up in the heat dissipation exhaust passage.

The utility model discloses cooking utensil with convection heating and heat dissipation exhaust combined system makes first flabellum and second flabellum share a motor through setting up, has saved the cost and the space of installing the motor on cooking utensil, simultaneously, the utility model discloses in install the motor on cooking utensil's casing top, and in cooking utensil working process, hot-air is led into the exhaust passage of dispelling the heat from the inner bag cavity, can not pass through fan motor, and fan motor can not receive the heating, and this has big help to the extension of fan motor's life, prevents that fan motor is overheated to lead to breaking down; meanwhile, the steam heating function of the cooking appliance is considered, so that hot steam can be prevented from being condensed and collected in the heat dissipation exhaust channel to influence the electrical safety of the cooking appliance.

In order to clarify the technical solution of the present invention, the following description is made in the form of specific embodiments.

Examples

As shown in fig. 1 and 2, the utility model discloses cooking utensil with convection heating and heat dissipation exhaust combined system, including fan motor 1, heat dissipation exhaust passage and inner bag cavity, fan motor 1 installs cooking utensil's casing top, fan motor 1's axis of rotation is passed heat dissipation exhaust passage enters into in the inner bag cavity coaxial arrangement has first flabellum 7 and second flabellum 9 in the axis of rotation, first flabellum 7 is located in the inner bag cavity, second flabellum 9 is located in the heat dissipation exhaust passage.

In the above example, the present invention provides a cooking appliance with a convection heating and heat dissipation exhaust combination system, which uses a motor shared by the first fan blade 7 and the second fan blade 9, thereby saving the cost and space for installing the motor on the cooking appliance, and at the same time, the present invention provides a fan motor 1 installed on the top of the casing of the cooking appliance, exposed outside the cooking appliance, in the working process of the cooking appliance, hot air is heated from the inner cavity by the operation of the first fan blade 7, and then is rapidly guided into the heat dissipation exhaust channel under the action of the second fan blade 9, and is discharged, and will not pass through the fan motor 1, the fan motor 1 will not be heated, which is helpful to prolong the service life of the fan motor 1, and prevents the fan motor 1 from being overheated to cause failure; meanwhile, the steam heating function of the cooking appliance is considered, so that the steam can be prevented from being condensed and condensed in the heat dissipation exhaust channel, and the electric safety of the cooking appliance is influenced.

In addition, the utility model discloses assembly structure is simple, has reduced the complexity and the spare part cost of cooking utensil system, because first flabellum 7 and the coaxial setting of second flabellum 9, for current cooking utensil, have reduced the trompil of wall body inner wall, have improved cooking utensil's leakproofness.

As shown in fig. 2 and 3, an inner container top plate 6, an air duct bottom plate 3, an air duct cover plate 2 and a fan motor 1 are sequentially arranged on the cooking appliance main body, the air duct top plate 2 is fixedly mounted on the air duct bottom plate 3, a cavity formed between the air duct top plate and the air duct bottom plate is a heat dissipation exhaust channel, and an exhaust port 12 of the heat dissipation exhaust channel is arranged on a front panel of the cooking appliance.

The top of the air duct cover plate 2 is provided with an installation position for installing and fixing the fan motor 1, as shown in fig. 2, a through hole 8 is arranged on the liner top plate 6, a rotating shaft of the fan motor 1 penetrates through the through hole 8 to enter the liner cavity, and the first fan blade 7 is installed on the rotating shaft in the cavity.

As shown in fig. 3 and 4, the second fan blade 9 is disposed in the heat dissipation exhaust channel, the first fan blade 7 is disposed in the cavity of the liner, and the first fan blade 7 is disposed near the top plate 6 of the liner.

In the above-mentioned example, be provided with heat dissipation exhaust passage at steam cooking utensil's top, heat dissipation exhaust passage's setting provides installation space for the setting of second flabellum 9, and on prior art's basis, sets up second flabellum 9 in heat dissipation exhaust passage, has strengthened radiating effect, prevents that the hot-air of cooling or steam from gathering in inner bag cavity and heat dissipation exhaust passage, influences the heating efficiency of complete machine.

The utility model discloses a cavity includes convection current wind channel and heating cavity be provided with convection current wind channel apron 11 under the inner bag roof 6, convection current wind channel apron 11 with form the convection current wind channel between the inner bag roof 6 be provided with in the convection current wind channel first flabellum 7 and heating tube 10. Be provided with annular heating tube 10 on convection current wind channel apron 11, this annular heating tube 10 sets up in the below of first flabellum 7, is provided with fresh air inlet 1101 in the center department of convection current wind channel apron 11, as shown in fig. 5, fresh air inlet 1101 is used for communicateing convection current wind channel and heating cavity, is provided with the intercommunication simultaneously on convection current wind channel apron convection current wind channel with heating cavity's exhaust vent 1102, exhaust vent 1102 is located the week side outside of first flabellum 7.

As shown in fig. 4, the air duct bottom plate 3 is recessed downward around the through hole 8 connected with the sealing ring 5, and correspondingly, the liner top plate 6 matched with the air duct bottom plate 3 is protruded upward around the through hole 8 connected with the sealing ring 5, the sealing ring 5 is adhered between the two through glue, the sealing ring 5 is an annular rubber ring, and an annular strip-shaped protrusion is arranged on the annular surface. The sealing ring 5 is matched with the air duct bottom plate 3 and the liner top plate 6 to form an air leakage prevention channel, and is used for preventing hot air from leaking from a gap between the air duct bottom plate 3 and the liner top plate 6 and influencing the heating efficiency and the use safety of a user.

In the above example, the air duct bottom plate 3 and the liner top plate 6 are close to and matched with each other around the connecting sealing ring 5, the sealing ring 5 is clamped between the air duct bottom plate and the liner top plate, and the protrusions arranged on the surface of the sealing ring 5 increase the friction force between the sealing ring 5 and the air duct bottom plate 3 and the liner top plate 6 and improve the air tightness of the air leakage prevention channel.

When the cooking appliance starts a convection heating function, the fan motor 1 starts to work, the heating tube 10 starts to radiate heat at the same time, the first fan blades 7 quickly and uniformly radiate the heat radiated by the heating tube 10 into the cavity space, the second fan blades 9 also start to rotate, and the heat accumulated at the top of the cooking appliance is discharged from the exhaust port, so that the temperature at the top of the cooking appliance is reduced; when starting the steam heating function, the vapor that gets into heat dissipation exhaust passage from the inner bag cavity through leak protection gas passage is discharged by second flabellum 9 fast, prevents that steam from cold condensation in exhaust passage from gathering, influences cooking utensil's electrical safety, and the quick discharge of steam can prevent steam condensation in the inner bag cavity simultaneously to the taste of food is influenced on to the water droplet of condensation drips on food.

It is noted that some of the structures may be selected differently than the specific examples given above. These are all made by those skilled in the art based on their basic skills based on understanding the idea of the present invention, and are not illustrated herein.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.

Claims

1. Cooking utensil with convection heating and heat dissipation exhaust combined system, its characterized in that, including fan motor (1), heat dissipation exhaust passage and inner bag cavity, inner bag cavity top is provided with convection current wind channel chamber, fan motor (1) is installed cooking utensil's casing top, the axis of rotation of fan motor (1) passes heat dissipation exhaust passage enters into in the inner bag cavity coaxial arrangement has first flabellum (7) and second flabellum (9) in the axis of rotation, first flabellum (7) are located in the inner bag cavity convection current wind channel chamber, second flabellum (9) are located in the heat dissipation exhaust passage.

2. The cooking appliance with combined convection heating and heat dissipation exhaust system according to claim 1, wherein the heat dissipation exhaust channel is composed of an air duct cover plate (2) and an air duct bottom plate (3), the air duct cover plate (2) is disposed above the air duct bottom plate (3), and the air duct bottom plate (3) is disposed on the cavity of the cooking appliance.

3. Cooking appliance with combined convective heating and heat dissipating exhaust system according to claim 2, characterized in that the fan motor (1) is mounted on the duct cover plate (2).

4. The cooking appliance with combined convection heating and heat dissipation and exhaust system as set forth in claim 2, wherein an exhaust port (12) is provided at a connection of the air duct cover plate (2) and the air duct bottom plate (3), and the exhaust port (12) is communicated with the heat dissipation and exhaust passage.

5. The cooking appliance with combined convection heating and heat dissipation and exhaust system as claimed in claim 2, wherein an air leakage prevention channel is provided at a position where the heat dissipation and exhaust channel communicates with the cavity.

6. The cooking appliance with a combined convection heating and heat dissipation and exhaust system as claimed in claim 5, wherein the air duct cover plate (2), the air duct bottom plate (3) and the liner top plate (6) arranged on the cavity are all provided with through holes (8), and the rotating shaft of the fan motor (1) passes through the through holes (8) to enter the cavity.

7. The cooking appliance with combined convection heating and heat dissipation and exhaust system as set forth in claim 6, wherein the air leakage preventing passage is formed by the through holes (8) on the air duct bottom plate (3) and the liner top plate (6).

8. The combined convection heating and heat dissipation exhaust system as set forth in claim 7, wherein said cavity comprises a convection air duct cavity and a heating cavity.

9. The cooking appliance with the combination system of convection heating and heat dissipation and exhaust as claimed in claim 8, wherein a convection air duct cover plate (11) is disposed under the liner top plate (6), a heating tube (10) is mounted on the convection air duct cover plate, a convection air duct is formed between the convection air duct cover plate (11) and the liner top plate (6), and the first fan blades (7) are located in the convection air duct.

10. The cooking utensil with convection heating and heat dissipation combined system of claim 9, characterized in that, be provided with on convection duct apron (11) and communicate convection duct with air inlet (1101) and exhaust vent (1102) of heating cavity, air inlet (1101) set up at the central part of wind channel apron (2) and just right first flabellum (7), exhaust vent (1102) are located the week side outside of first flabellum (7).