CN217907316U - Steaming and baking box - Google Patents

Abstract

The utility model relates to a steam oven, this steam oven includes: a box body; the inner container is internally provided with a steaming and baking cavity; a smoke outlet is arranged on the inner container; one end of the smoke exhaust pipeline is connected with the smoke exhaust port; one end of the smoke removal pipeline is communicated with the external space of the box body; the smoke filtering module is arranged in the smoke exhaust air channel and is used for filtering smoke; the smoke exhaust fan comprises a volute, an impeller and a shaded pole motor; an air cavity is arranged in the volute, and an air inlet and an air outlet are arranged on the volute; the impeller is arranged in the air cavity; the shaded pole motor is arranged outside the volute, and a rotating shaft of the shaded pole motor extends into the air cavity and is connected with the impeller; the air inlet is connected with the other end of the smoke exhaust pipeline, and the air outlet is connected with the other end of the smoke removal pipeline. Directly extracting the oil smoke generated in the steaming and baking cavity by using a smoke exhaust fan; filtering and purifying the oil smoke by using a smoke filtering module; the volute is combined with the shaded pole motor, so that the shaded pole motor is distributed outside the volute, the temperature resistance problem of the motor is solved, and oil smoke and hot air in the steaming and baking cavity can be better directly discharged out of the box body.

Description

Steaming and baking oven

Technical Field

The utility model relates to a evaporate roast equipment technical field, in particular to evaporate oven.

Background

A steamer is a cooking device that contains food in a closed space and heats and cooks the food. The steaming and baking oven integrates the baking and steaming and baking functions on the basis of the traditional steaming and baking oven, and the popularization rate of the steaming and baking oven is higher and higher along with the improvement of the living standard.

The existing steaming and baking oven is usually provided with a heat dissipation and smoke exhaust device, a motor of the traditional heat dissipation device is generally a through-flow motor, and the inner container is subjected to heat dissipation and smoke exhaust by virtue of negative pressure passing through an air outlet, the scheme is that the motor does not directly extract hot air or oil smoke in a cavity, and the heat dissipation and smoke exhaust effects are general. The scheme that the motor directly extracts hot air or oil smoke in the cavity has great damage to the electrodes and influences the reliability of the motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam oven to optimize the structure of steam oven among the correlation technique, promote the performance of steam oven.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to an aspect of the utility model, the utility model provides a steam oven, this steam oven includes: a box body; the inner container is arranged in the box body, and a steaming and baking cavity is formed in the inner container; the inner containers are respectively provided with a smoke outlet; the smoke exhaust pipeline is arranged in the box body and is arranged outside the inner container; one end of the smoke exhaust pipeline is connected with the smoke exhaust port; the smoke removal pipeline is arranged in the box body and is arranged outside the inner container; one end of the smoke removal pipeline is communicated with the external space of the box body; the smoke filtering module is arranged in the smoke removing pipeline and is used for filtering smoke in the smoke removing pipeline; the smoke exhaust fan is arranged between the smoke exhaust pipeline and the smoke removing pipeline and is used for providing wind power; the smoke exhaust fan comprises a volute, an impeller and a shaded pole motor; an air cavity is arranged in the volute, and an air inlet and an air outlet which are communicated with the air cavity are formed in the volute; the impeller is arranged in the air cavity; the shaded pole motor is arranged outside the volute, and a rotating shaft of the shaded pole motor extends into the air cavity and is connected with the impeller; the air inlet is connected with the other end of the smoke exhaust pipeline, and the air outlet is connected with the other end of the smoke removal pipeline.

In some embodiments of the present application, the air inlet is disposed on an axial end surface of the volute, and a through hole opposite to the air inlet is disposed on the other axial end surface of the volute; a plurality of fixing columns are convexly arranged on the volute and are arranged around the through hole; the shaded pole motor is connected with the fixing column, and a rotating shaft of the shaded pole motor penetrates through the through hole and extends into the air cavity.

In some embodiments of the present application, the shaded pole motor comprises a stator, a rotor, and a coil; the stator is fixed on the plurality of fixing columns, the rotor is rotatably connected with the stator, and one end of the rotor forms the rotating shaft; the coil is wound on the stator.

In some embodiments of the present application, the steaming oven further comprises a control valve, and the control valve is disposed on the smoke exhaust pipeline and is used for opening and closing the smoke exhaust pipeline.

In some embodiments of the present application, the steaming oven further includes a flue disposed between the air inlet of the volute and the smoke exhaust pipeline; one end of the flue is communicated with the air inlet, the other end of the flue is provided with a smoke inlet, and the smoke inlet is communicated with one end, far away from the smoke outlet, of the smoking pipeline; the control valve is arranged at the joint of the flue and the smoke exhaust pipeline and is used for opening and closing the smoke inlet.

In some embodiments of the present application, the control valve includes a control motor and a valve plate; the control motor is arranged outside the flue, and an output shaft of the control motor extends into the flue; the valve plate is arranged in the flue and is arranged on an output shaft of the control motor; the valve block with the mouth is relative, just the valve block is in the drive of control motor is opened and close down the mouth advances.

In some embodiments of the present application, the outer wall of the spiral case is provided with a plurality of fixing portions, the fixing portions are provided with fixing holes, and the fixing portions are fixed on the outer wall of the flue through the fixing holes.

In some embodiments of the present application, the steaming oven further includes a heat dissipation air duct and a heat dissipation fan; the heat dissipation air duct is arranged in the box body and is arranged outside the inner container; the air outlet end of the heat dissipation air duct is communicated with the external space of the box body; the heat dissipation fan is arranged in the heat dissipation air duct and is used for providing wind power for the heat dissipation air duct; the inner container is provided with an air outlet, and the heat dissipation air duct is communicated with the air outlet; one end of the smoke removal pipeline is communicated with the heat dissipation air channel and communicated with the external space of the box body through the heat dissipation air channel.

In some embodiments of the present application, the heat dissipation air duct is disposed on the upper side of the inner container, and the air outlet is disposed on the top surface of the inner container; the steaming and baking box also comprises a pressure relief piece which is arranged between the heat dissipation air duct and the inner container; a pressure relief cavity is formed in the pressure relief piece; a pressure relief hole is formed in the heat dissipation air duct, the pressure relief piece and the pressure relief hole are arranged oppositely, and the pressure relief hole is communicated with the heat dissipation air duct and the pressure relief cavity; the pressure relief piece is arranged opposite to the air outlet hole, and the air outlet hole is communicated with the steaming and baking cavity and the pressure relief cavity.

In some embodiments of the present application, the smoke removing pipeline is disposed on the upper side of the top of the inner container and is located on one side of the heat dissipation air duct; the smoke exhaust fan is arranged on the upper side of the top of the inner container; the smoke outlet is arranged on the side wall of the inner container; the smoke exhaust pipeline is arranged on one side of the inner container and extends vertically, the lower end of the smoke exhaust pipeline is communicated with the smoke exhaust port, and the upper end of the smoke exhaust pipeline is communicated with the air inlet.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

in the steaming and baking oven of the embodiment of the utility model, the smoke exhaust pipeline, the smoke removal pipeline and the smoke exhaust fan are matched with the smoke exhaust port of the inner container, so as to directly extract the oil smoke generated in the steaming and baking cavity; filtering and purifying the oil smoke extracted by the smoke exhaust fan by using a smoke filtering module arranged in the smoke removing pipeline, and exhausting the filtered residual air out of the box body; in the smoke exhaust fan, the volute is combined with the shaded pole motor, so that the shaded pole motor is distributed outside the volute, the temperature resistance problem of the motor is solved, and oil smoke and hot air in the steaming and baking cavity can be directly exhausted out of the box body; the scheme can enrich the functions of the steaming and baking oven and improve the service performance of the steaming and baking oven.

Drawings

Fig. 1 is a schematic structural view of a steaming and baking box according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the structure of fig. 1 with the casing removed.

Fig. 4 is a schematic view of the structure of fig. 3 from another perspective.

Fig. 5 is a partial structural schematic diagram of fig. 4.

Fig. 6 is an exploded view of fig. 5.

Fig. 7 is a schematic view of the structure of fig. 5 from another perspective.

Fig. 8 is an enlarged schematic view of region a in fig. 7.

Fig. 9 is a schematic structural view of the smoke evacuation duct of fig. 3.

Fig. 10 is an exploded view of fig. 9.

Figure 11 is a schematic view of the structure of the smoke extractor of figure 10.

Fig. 12 is an exploded view of fig. 11.

Fig. 13 is a schematic structural view of the first communication pipe in fig. 10.

Figure 14 is a schematic view of the stack and smoking conduit of figure 10.

Fig. 15 is a cross-sectional view of fig. 14.

Fig. 16 is a schematic view of the structure of fig. 15 in another state.

Figure 17 is a schematic view of the smoke evacuation line of figure 10.

Fig. 18 is an exploded view of fig. 17.

Fig. 19 is a cross-sectional view of fig. 17.

The reference numerals are explained below: 1. a box body; 101. a top plate; 102. a base plate; 103. a back plate; 11. a box door; 111. a handle; 12. gas outlet seam; 13. a heat insulation plate; 14. a wind scooper; 141. an exhaust port; 15. a support plate; 16. a suction plate; 161. a via hole; 17. a flue shell; 2. an inner container; 21. a steaming and baking cavity; 22. a smoke outlet; 3. a heat dissipation air duct; 31. a heat radiation fan; 4. releasing the pressure; 5. a smoke exhaust duct; 51. a smoking pipe; 52. a smoke removal pipeline; 521. a bottom case; 522. an upper cover; 523. a smoke removal channel; 53. a first communication pipe; 531. a surrounding wall portion; 532. a notch portion; 54. a second communicating pipe; 55. a flue; 551. a smoke inlet; 552. a smoke outlet; 6. a smoke exhaust fan; 61. a volute; 611. an air inlet; 612. an air outlet; 613. an upper shell; 614. a lower case; 615. a through hole; 616. fixing a column; 617. a fixed part; 62. an impeller; 63. a shaded pole motor; 631. a stator; 632. a rotor; 633. a coil; 7. a control valve; 71. controlling the motor; 72. a valve plate; 73. sealing sleeves; 8. and a smoke filtering module.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The existing steaming and baking oven is usually provided with a heat dissipation and smoke exhaust device, a motor of the traditional heat dissipation device is generally a through-flow motor, and the inner container is subjected to heat dissipation and smoke exhaust by virtue of negative pressure passing through an air outlet, the scheme is that the motor does not directly extract hot air or oil smoke in a cavity, and the heat dissipation and smoke exhaust effects are general. The scheme that the motor directly extracts hot air or oil smoke in the cavity has great damage to the electrode and influences the reliability of the motor.

Fig. 1 is a schematic structural view of a steaming oven according to an embodiment of the present invention. Fig. 2 is a cross-sectional view of fig. 1. Fig. 3 is a schematic view of the structure of fig. 1 with the case 1 removed. Fig. 4 is a schematic view of the structure of fig. 3 from another perspective.

Referring to fig. 1 to 4, an embodiment of the present invention provides a steaming and baking oven, which mainly includes a box body 1, and an inner container 2, a heat dissipation air duct 3, a heat dissipation fan 31, a pressure relief member 4, a smoke exhaust air duct 5, a smoke exhaust fan 6, a control valve 7, and a smoke filtering module 8, which are disposed in the box body 1.

Wherein, the box body 1 is a rectangular hollow structure. The inner space of the box body 1 is used for providing installation space for the inner container 2, the heat dissipation air duct 3, the heat dissipation fan 31, the pressure relief piece 4, the smoke exhaust air duct 5, the smoke exhaust fan 6, the control valve 7 and other components.

In some embodiments, the box 1 includes a top plate 101, a bottom plate 102, two side plates (not shown), a rear plate 103, a front plate (not shown), and a door 11 disposed on the front plate. The top plate 101, the bottom plate 102, the two side plates, the rear plate 103, and the front plate serve as exterior surfaces of the case 1 and enclose an internal space of the case 1. The front plate is provided with an opening, and the box door 11 is used for opening and closing the opening.

The inner container 2 is arranged in the box body 1, a steaming and baking cavity 21 is formed in the inner container 2, and the steaming and baking cavity 21 can be used for high-temperature cooking treatment of steaming, baking and the like of food. The front opening of the inner container 2 is opposite to the opening on the front plate, so when the box door 11 is opened, food can be put into the inner container 2; meanwhile, when the door 11 is closed, the door 11 can close the steaming and baking cavity 21 in the inner container 2.

In some embodiments, a handle 111 is disposed on a front side wall of the door 11, the handle 111 protrudes from a front side of the door 11, and the handle 111 facilitates a user to open the door 11.

In some embodiments, a steam generating device (not shown) is disposed in the box body 1, and the steam generating device is used for generating steam and sending the steam into the steaming and baking cavity 21 of the inner container 2, so as to realize the steaming function of the steaming and baking oven. The steam generating device can be arranged in the space between the outside of the inner container 2 and the inside of the box body 1.

In some embodiments, an electric heating device (not shown) is disposed in the box body 1, and the electric heating device is used for creating a high-temperature environment in the steaming and baking cavity 21 of the inner container 2, so as to realize the baking function of the steaming and baking oven. The electric heating device can be arranged on the inner wall of the inner container 2, such as the top of the steaming and baking cavity 21.

A cavity (not shown) is formed between the outer periphery of the inner tub 2 and the inner wall of the cabinet 1, and heat generating components such as a steam generating device, a motor, and various electric components may be disposed in the cavity.

Referring to fig. 2 to 4, the heat dissipation air duct 3 is disposed in the box body 1, and the heat dissipation air duct 3 is disposed outside the inner container 2. Specifically, the heat dissipation air duct 3 may be disposed in a cavity formed between the inner container 2 and the box body 1. The air inlet end of the heat dissipation air duct 3 is communicated with the cavity, and the air outlet end of the heat dissipation air duct 3 is communicated with the outside of the box body 1. Meanwhile, the heat dissipation fan 31 is arranged in the heat dissipation air duct 3, the heat dissipation fan 31 is used for extracting air in the cavity and providing wind power to the direction of the air outlet end of the heat dissipation air duct 3, so that the air inlet end of the heat dissipation air duct 3 can absorb heat in the cavity, and the heat in the cavity is discharged to the outside of the box body 1 through the heat dissipation air duct 3, so that the heat dissipation function inside the box body 1 is realized.

In some embodiments, the heat dissipation air duct 3 is disposed above the top of the inner container 2, and the air outlet end of the heat dissipation air duct 3 faces the front side of the box 1 and is communicated with the front space of the box 1. Therefore, the heat dissipation air duct 3 can perform heat dissipation by exhausting air from the front side of the case 1. At this time, the air inlet end of the heat dissipation air duct 3 is located at the back side of the air outlet end thereof, and the heat dissipation air duct 3 extends along the front-back direction of the box body 1.

In some embodiments, the front side of the box body 1 is provided with an air outlet slit 12, the air outlet slit 12 is provided on the front plate of the box body 1, and the air outlet slit 12 is located on the upper side of the box door 11. The air outlet end of the heat dissipation air duct 3 faces and is communicated with the air outlet seam 12, so that heat dissipation is performed through the air outlet seam 12 on the front side of the box body 1, and the opening or closing of the box door 11 cannot be affected by the heat dissipation air duct 3.

In some embodiments, the heat dissipation fan 31 is disposed at the air inlet end of the heat dissipation air duct 3, and the cross-flow fan is adopted as the heat dissipation fan 31, so as to improve the wind force at the air inlet end of the heat dissipation air duct 3 and improve the heat dissipation efficiency.

Fig. 5 is a partial structural schematic diagram of fig. 4. Fig. 6 is an exploded view of fig. 5. Fig. 7 is a schematic view of the structure of fig. 5 from another perspective.

Referring to fig. 2 to 7, in some embodiments, a heat insulation board 13 is disposed in the box body 1, and the heat insulation board 13 is disposed above the inner container 2 at an interval. The top surface of the heat insulation board 13 is provided with an air guide cover 14, and a heat dissipation air duct 3 is formed by enclosing the air guide cover 14 and the heat insulation board 13. At this time, the rear end of the air guiding cover 14 is used as the air inlet end of the heat dissipating air duct 3, and the heat dissipating fan 31 is disposed at the rear end of the air guiding cover 14. The front end of the wind scooper 14 faces the front side of the box body 1 and is used as the wind outlet end of the heat dissipation air duct 3.

In some embodiments, a supporting plate 15 is further disposed in the cabinet 1, the supporting plate 15 is disposed on the back side of the inner container 2, the bottom of the supporting plate 15 is supported on the bottom plate 102 of the cabinet 1, the top of the supporting plate 15 is connected to the rear end of the heat insulation plate 13, the front end of the heat insulation plate 13 is fixed on the front plate of the cabinet 1, and thus the heat insulation plate 13 can be stably fixed on the upper side of the inner container 2.

Referring to fig. 2, the pressure relief element 4 is disposed between the inner container 2 and the heat insulation plate 13, that is, the pressure relief element 4 is disposed above the top of the inner container 2. The bottom of the pressure relief piece 4 is communicated with the steaming and baking cavity 21 in the inner container 2, and the top of the pressure relief piece 4 is communicated with the heat dissipation air duct 3. When the heat dissipation fan 31 operates, wind power is generated in the heat dissipation air duct 3, and negative pressure is generated in the top area of the pressure relief piece 4, so that steam or hot gas in the inner container 2 can enter the heat dissipation air duct 3 through the pressure relief piece 4, and is discharged towards the air outlet end of the heat dissipation air duct 3 along with the wind power and finally discharged to the outside of the box body 1.

In some embodiments, the top of the inner container 2 is provided with an air outlet (not shown), and the bottom of the air duct 3 is provided with a pressure relief hole (not shown), that is, the pressure relief hole is opened on the thermal insulation board 13. The pressure relief hole is located in the area between the air inlet end and the air outlet end of the heat dissipation air duct 3, namely the pressure relief hole is located in the middle area of the heat dissipation air duct 3. The bottom of the pressure relief piece 4 is opposite to the air outlet hole, and the top of the pressure relief piece 4 is opposite to the pressure relief hole. Therefore, steam or heat in the steaming and baking cavity 21 can enter the pressure relief piece 4 through the air outlet hole and enter the heat dissipation air duct 3 through the pressure relief hole.

In some embodiments, a pressure relief cavity (not shown) is formed in the pressure relief member 4, the bottom of the pressure relief cavity is communicated with the air outlet, and the top of the pressure relief cavity is communicated with the pressure relief hole. Therefore, steam or heat in the steaming and baking cavity 21 can enter the pressure relief cavity through the air outlet hole and enter the heat dissipation air duct 3 through the pressure relief hole.

It should be noted that, in other embodiments, the pressure relief element 4 may also be replaced by another pipeline component, and only the communication between the heat dissipation air duct 3 and the steaming and baking cavity 21 is required.

Referring to fig. 2 to 7, in some embodiments, an air suction plate 16 is disposed at the bottom of the heat insulation plate 13, and the air suction plate 16 and the heat insulation plate 13 enclose a heat dissipation chamber (not shown). The air suction plate 16 is arranged at the top of the inner container 2, i.e. the heat dissipation cavity is formed at the upper side of the inner container 2, and the heat dissipation cavity is located between the inner container 2 and the heat dissipation air duct 3. The air inlet end of the heat dissipation air duct 3 is communicated with the air suction duct 55, so that when the heat dissipation fan 31 operates, the heat dissipation fan 31 can suck air in the heat dissipation cavity, and further dissipate heat in the heat dissipation cavity.

In some embodiments, the air suction plate 16 has a through hole 161 formed therein, and the pressure relief element 4 is disposed through the through hole 161. That is, the bottom of the pressure relief member 4 can be connected to the top of the inner container 2 through the through hole 161.

Still referring to fig. 2 to 7, the smoke exhaust duct 5 is disposed in the box body 1, and the smoke exhaust duct 5 is disposed outside the inner container 2. The side wall of the inner container 2 is provided with a smoke outlet 22. One end of the smoke exhaust duct 5 is communicated with the smoke exhaust port 22, and the other end of the smoke exhaust duct 5 is communicated with the heat dissipation duct 3. Therefore, the steam or hot air in the steaming and baking chamber 21 can directly enter the smoke exhaust duct 5 through the smoke exhaust port 22 and be discharged to the outside of the cabinet 1 through the heat radiation duct 3.

In some embodiments, the air guiding hood 14 is opened with an air outlet 141. One end of the smoke exhaust duct 5 far away from the smoke exhaust port 22 is communicated with the exhaust port 141. Therefore, when the exhaust duct 5 is installed, it is only necessary to connect both ends of the exhaust duct 5 to the exhaust port 22 and the exhaust port 141, respectively. According to the structure scheme, steam or hot gas is discharged by means of the heat dissipation air duct 3, the change of the internal structure of the box body 1 when the smoke exhaust air duct 5 is additionally arranged can be reduced, and the structure and the cost are simplified.

Referring to fig. 2 to 7, the smoke exhaust fan 6 is disposed in the smoke exhaust duct 5, and the smoke exhaust fan 6 is configured to provide wind power for the smoke exhaust duct 5, so that air in the steaming and baking cavity 21 can pass through the smoke exhaust port 22 and then enter the smoke exhaust duct 5, and then be exhausted outside the box body 1.

Referring to fig. 2 to 7, the control valve 7 is disposed in the box 1 and on the smoke exhaust duct 5. The control valve 7 is used for opening and closing the smoke exhaust duct 5, namely whether the smoke exhaust duct 5 works or not can be controlled through the control valve 7. Specifically, in the culinary art in-process, if need carry out rapid cooling in the roast chamber 21 of steaming, can open exhaust stack 5 through control valve 7, cooperate smoke ventilator 6 to carry out rapid heat dissipation cooling in the roast chamber 21 of steaming. After cooking is finished, the control valve 7 can be matched with the smoke exhaust fan 6 to quickly dissipate heat and cool the interior of the steaming and baking cavity 21. When the rapid cooling in the steaming and baking cavity 21 is not needed, the smoke exhaust duct 5 is only needed to be closed through the control valve 7, and the air in the steaming and baking cavity 21 can be prevented from entering the smoke exhaust duct 5.

Fig. 8 is an enlarged schematic view of region a in fig. 7. Fig. 9 is a schematic structural diagram of the smoke evacuation duct 5 in fig. 3. Fig. 10 is an exploded view of fig. 9.

Referring to fig. 2 to 10, in some embodiments, the smoke evacuation duct 5 includes a smoke evacuation pipe 51 and a smoke evacuation pipe 52. Wherein, the smoke exhaust fan 6 is arranged between the smoke exhaust pipeline 51 and the smoke removing pipeline 52. One end of the smoke exhaust pipeline 51 is connected with the smoke outlet 22 on the inner container 2, and the other end of the smoke exhaust pipeline 51 is connected with the air inlet end of the smoke exhaust fan 6. One end of the smoke removing pipeline 52 is connected with the air outlet end of the smoke exhaust fan 6, and the other end of the smoke removing pipeline 52 is connected with the heat dissipation air duct 3. Therefore, under the action of the smoke exhaust fan 6, air or heat in the steaming and baking cavity 21 can enter the smoke exhaust pipeline 51 through the smoke exhaust port 22, and is discharged into the heat dissipation air duct 3 through the smoke exhaust pipeline 52, and is discharged to the outside of the box body 1 through the heat dissipation air duct 3.

Fig. 11 is a schematic structural view of the extractor 6 of fig. 10. Fig. 12 is an exploded view of fig. 11.

Referring to fig. 11 and 12, in some embodiments, the fume extractor 6 includes a volute 61, an impeller 62, and a shaded pole motor 63.

Wherein, an air cavity is arranged in the volute 61, and an air inlet 611 and an air outlet 612 which are communicated with the air cavity are arranged on the volute 61. The air inlet 611 is used for connecting with the smoke exhaust pipeline 51, and the air outlet 612 is used for connecting with the smoke exhaust pipeline 52. Impeller 62 is disposed within the plenum. The shaded pole motor 63 is arranged outside the volute 61, and a rotating shaft of the shaded pole motor 63 extends into the air cavity and is connected with the impeller 62. The impeller 62 can rotate in the wind cavity under the driving of the rotating shaft of the shaded pole motor 63, so as to suck the air outside the volute 61 from the wind inlet 611, and discharge the air from the wind outlet 612 to form wind power. Therefore, when the shaded pole motor 63 is running, the oil smoke in the steaming and baking chamber 21 can enter the air chamber in the volute 61 through the smoke exhaust pipe 51 and the air inlet 611, and is sent into the smoke removing pipe 52 through the air outlet 612. Through spiral case 61 and shaded pole motor 63 combination, make shaded pole motor 63 distribute in spiral case 61 outside, consequently the high temperature of oil smoke is less to shaded pole motor 63's influence in the wind chamber, and then has solved the temperature resistant problem of motor effectively, can be better with the interior oil smoke of steaming and baking chamber 21, steam directly through the exhaust fan 6 outside the box 1.

In some embodiments, volute 61 includes an upper housing 613 and a lower housing 614. The upper housing 613 and the lower housing 614 are assembled together, and a wind chamber is defined between the upper housing 613 and the lower housing 614. The air inlet 611 is opened on the bottom surface of the lower housing 614, and the air inlet 611 is located on an axial end surface of the scroll casing 61. The air outlet 612 is opened on the peripheral sidewall of the scroll casing 61, and is formed by assembling an upper casing 613 and a lower casing 614.

It should be noted that in other embodiments, the upper housing 613 and the lower housing 614 may be integrally formed.

In some embodiments, the top center of the upper shell 613 is opened with a through hole 615 disposed opposite to the air inlet 611. The rotating shaft of the shaded pole motor 63 passes through the through hole 615 and extends into the air cavity to be connected with the impeller 62.

In some embodiments, a plurality of fixing posts 616 are disposed on the top surface of the upper housing 613, and the plurality of fixing posts 616 are disposed around the circumference of the through hole 615 at intervals. The shaded pole motor 63 is connected to the tops of the plurality of fixing posts 616, so that the shaded pole motor 63 can be stably fixed above the through hole 615.

In some embodiments, shaded pole motor 63 includes stator 631, rotor 632, and coils 633. The stator 631 is fixed to the top upper side of the plurality of fixing posts 616. The rotor 632 is rotatably connected to the stator 631, and one end of the rotor 632 extends into the wind chamber through the through hole 615 to form a rotating shaft. The coil 633 is wound around the stator 631. The fixing column 616 can maintain a sufficient distance between the wind cavity in the volute 61 and the stator 631 and the coil 633, so as to prevent the high temperature in the wind cavity from affecting the normal operation of the stator 631 and the coil 633.

Referring to fig. 2 to 13, in some embodiments, the smoke exhaust duct 5 further includes a first communicating pipe 53, and the first communicating pipe 53 is disposed between the heat dissipation duct 3 and the smoke removing duct 52. Specifically, one end of the first communicating pipe 53 is connected to the smoke removing pipe 52, and the other end of the first communicating pipe 53 is connected to the exhaust port 141 of the heat dissipating air duct 3, so that the smoke exhausting air duct 5 can communicate with the heat dissipating air duct 3 through the first communicating pipe 53.

Fig. 13 is a schematic structural view of the first communication pipe 53 in fig. 10.

Referring to fig. 2 to 13, in some embodiments, a port of the first communication pipe 53 connected to the exhaust port 141 is convexly provided with a surrounding wall portion 531, the surrounding wall portion 531 is disposed around the port, and the surrounding wall portion 531 extends into the heat dissipation air duct 3. The enclosing wall portion 531 is provided with a notch portion 532, the notch portion 532 is disposed at the front side of the enclosing wall portion 531 and faces the front side of the box body 1, so that the air entering the heat dissipation air duct 3 through the first communicating pipe 53 from the smoke removal pipeline 52 can be discharged toward the front side of the box body 1, and the influence on the heat dissipation performance of the heat dissipation air duct 3 is reduced.

In some embodiments, the air outlet 141 is disposed at the front end of the air guiding cover 14, so that the air outlet 141 is close to the air outlet end of the heat dissipating air duct 3, that is, the air outlet 141 is close to the front side of the box 1. Therefore, the air that the smoke exhaust duct 52 enters the heat dissipation air duct 3 through the first communication duct 53 can be discharged out of the case 1 nearby, and the heat dissipation performance of the heat dissipation air duct 3 itself is not affected.

Referring to fig. 2 to 10, in some embodiments, the smoke evacuation duct 5 further includes a second communicating pipe 54. The second communicating pipe 54 is disposed between the smoke removing pipe 52 and the air outlet end of the smoke exhaust fan 6. Specifically, one end of the second communicating pipe 54 communicates with the air outlet 612 of the smoke exhaust fan 6, and the other end of the second communicating pipe 54 is connected to one end of the smoke exhaust pipeline 52 far away from the heat dissipation air duct 3. Therefore, the air sucked by the smoke exhaust fan 6 can enter the smoke removing duct 52 through the second communication pipe 54.

Fig. 14 is a schematic view of the structure of the flue 55 and the exhaust line in fig. 10. Fig. 15 is a cross-sectional view of fig. 14. Fig. 16 is a schematic view of the structure of fig. 15 in another state.

Referring to fig. 3 to 16, in some embodiments, the smoke exhaust duct 5 further includes a flue 55 disposed between the air inlet end of the smoke exhaust fan 6 and the smoke exhaust pipe 51. Specifically, one end of the flue 55 communicates with an air inlet 611 of the smoke exhaust fan 6. The other end of the flue 55 is provided with a smoke inlet 551, and the flue 55 is communicated with one end of the smoke exhaust duct 51 far from the smoke exhaust port 22 through the smoke inlet 551. The air in the smoking pipe 51 must first enter the flue 55 and then enter the smoking fan 6 through the flue 55.

In some embodiments, the upper side of the suction plate 16 is provided with a flue shell 17, and the flue shell 17 and the suction plate 16 enclose a flue 55. The smoke inlet 551 is opened on the air suction plate 16, and one end of the smoke exhaust pipe 51 far from the smoke outlet 22 is connected with the air suction plate 16 and is communicated with the smoke inlet 551. The top of the flue shell 17 is provided with a smoke outlet 552, and the air inlet 611 of the smoke exhaust fan 6 is connected with a smoke inlet 551. Therefore, the air in the steaming and baking chamber 21 can enter the smoke exhaust pipe 51 through the air inlet 141, enter the smoke duct 55 through the smoke inlet 551, and enter the smoke exhaust fan 6 through the smoke outlet 552.

Referring to fig. 9 to 14, in some embodiments, a plurality of fixing portions 617 are convexly disposed on an outer wall of the volute 61, fixing holes (not shown) are disposed on the fixing portions 617, and the fixing portions 617 are fixed on an outer wall of the flue 55, that is, on an outer wall of the flue shell 17, so that the air inlet 611 of the smoke exhaust fan 6 is connected to the smoke inlet 551.

Referring to fig. 14 to 16, in some embodiments, the control valve 7 is disposed at a connection between the flue 55 and the smoke evacuation pipe 51, and the control valve 7 is used for opening and closing the smoke inlet 551. Therefore, when the control valve 7 opens the smoke inlet 551, the air in the smoke exhaust pipeline 51 can be discharged into the smoke exhaust pipeline 52 through the smoke inlet 551 and then the flue 55 by the action of the smoke exhaust fan 6, and finally discharged to the outside of the box body 1 through the heat dissipation air duct 3.

It should be noted that in other embodiments, the control valve 7 may be disposed at other positions of the smoking pipe 51.

Referring to fig. 14 to 16, in some embodiments, the control valve 7 includes a control motor 71 and a valve plate 72. The control motor 71 is arranged outside the flue 55, and the control motor 71 is fixed on the flue shell 17. An output shaft of the control motor 71 is extended into the flue duct 55. Specifically, the valve sheet 72 is provided in the flue duct 55, and the valve sheet 72 is provided on the output shaft of the control motor 71. The valve plate 72 is opposite to the smoke inlet 551. Under the driving of the control motor 71, the valve plate 72 can open or close the smoke inlet 551, so that the smoke duct 55 can be communicated or isolated from the smoke exhaust pipeline 51.

In some embodiments, the sealing sleeve 73 is sleeved on the periphery of the valve plate 72, and the sealing sleeve 73 is used for being attached to the edge of the smoke inlet 551, so as to seal the gap between the valve plate 72 and the edge of the smoke inlet 551, and improve the sealing performance between the smoke duct 55 and the smoke exhaust pipeline 51.

Referring to fig. 3 to 14, in some embodiments, the flue 55 is disposed on the top of the inner container 2, the smoke exhausting fan 6 is disposed on the top of the inner container 2, the smoke removing pipeline 52 is disposed on the top of the inner container 2, and the smoke removing pipeline 52 is located on one side of the heat dissipating air duct 3. The smoking pipe 51 is provided at one side of the inner container 2 and extends vertically. Specifically, the lower end of the smoke exhaust duct 51 is connected to the smoke exhaust port 22, and the upper end of the smoke exhaust duct 51 is connected to the flue 55 and further connected to the smoke exhaust fan 6. Therefore, the smoke exhaust duct 5 can be dispersedly arranged at the top and the side of the inner container 2, so that the change of the internal structure of the box body 1 is reduced, and the structure is simplified and the cost is reduced.

Fig. 17 is a schematic view of the structure of the smoke evacuation pipe 52 in fig. 10. Fig. 18 is an exploded view of fig. 17. Fig. 19 is a cross-sectional view of fig. 17.

Referring to fig. 3 to 19, the smoke filter module 8 is disposed in the smoke exhaust duct 5, and the smoke filter module 8 is used for filtering and purifying smoke entering the smoke exhaust duct 5. Specifically, the smoke filter module 8 is provided in the smoke removal duct 52. Therefore, the oil smoke generated in the steaming and baking cavity 21 can enter the smoke removing pipeline 52 through the smoke exhaust pipeline 51 under the action of the smoke exhaust fan 6, and after being filtered and purified by the smoke filtering module 8, the residual air is discharged out of the box body 1 from the heat dissipation air duct 3. It should be noted that the smoke filtering module 8 can adopt purifying devices such as an electric filter element, the electric filter element can filter and purify the oil smoke after being electrified, and can open and close the smoke filtering function of the smoke filtering module 8 through power supply control, and then when the oil smoke does not need to be filtered, the power supply can be omitted for the smoke filtering module 8, and then the smoke exhaust duct 5 can be used as another heat dissipation duct 3.

In some embodiments, the smoke evacuation line 52 includes a bottom shell 521 and a top cover 522. The top opening of the bottom case 521 is covered with the upper cover 522 in a detachable manner, and a smoke removing channel 523 is enclosed between the bottom case 521 and the upper cover 522. One end of the smoke removing channel 523 is communicated with the heat dissipation air duct 3, and the other end of the smoke removing channel 523 is communicated with the air outlet end of the smoke exhaust fan 6. The smoke filtering module 8 is detachably arranged in the smoke removing channel 523, so that the smoke filtering module 8 is replaced regularly, and the smoke removing performance of the smoke removing pipeline 52, namely the smoke removing performance of the steam oven is ensured.

In some embodiments, one end of the first communicating pipe 53 connected to the smoke removing duct 52 is connected to the side wall of the bottom case 521, and the first communicating pipe 53 communicates with one end of the smoke removing channel 523. One end of the second communication pipe 54 connected to the smoke removing duct 52 is connected to the other side wall of the bottom case 521, and the second communication pipe 54 is communicated with the other end of the smoke removing passage 523.

Based on the technical scheme, the embodiment of the utility model provides a have following positive effect:

in the steaming and baking box of the embodiment of the utility model, the smoke exhaust pipeline 51, the smoke exhaust pipeline 52 and the smoke exhaust fan 6 are matched with the smoke exhaust port 22 of the inner container 2 to directly extract the oil smoke generated in the steaming and baking cavity 21; the smoke filtering module 8 arranged in the smoke removing pipeline 52 is used for filtering and purifying the smoke extracted by the smoke exhaust fan 6, and the filtered residual air is discharged out of the box body 1; in the smoke exhaust fan 6, the volute 61 is combined with the shaded pole motor 63, so that the shaded pole motor 63 is distributed outside the volute 61, the temperature resistance problem of the motor is solved, and oil smoke and hot air in the steaming and baking cavity 21 can be better and directly discharged out of the box body 1; the scheme can enrich the functions of the steam oven and improve the use performance of the steam oven.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A steaming and baking oven, comprising:

a box body;

the inner container is arranged in the box body, and a steaming and baking cavity is formed in the inner container; the inner containers are respectively provided with a smoke outlet;

the smoke exhaust pipeline is arranged in the box body and is arranged outside the inner container; one end of the smoke exhaust pipeline is connected with the smoke exhaust port;

the smoke removal pipeline is arranged in the box body and is arranged outside the inner container; one end of the smoke removal pipeline is communicated with the external space of the box body;

the smoke filtering module is arranged in the smoke removing pipeline and is used for filtering smoke in the smoke removing pipeline;

the smoke exhaust fan is arranged between the smoke exhaust pipeline and the smoke removing pipeline and is used for providing wind power; the smoke exhaust fan comprises a volute, an impeller and a shaded pole motor; an air cavity is arranged in the volute, and an air inlet and an air outlet which are communicated with the air cavity are formed in the volute; the impeller is arranged in the air cavity; the shaded pole motor is arranged outside the volute, and a rotating shaft of the shaded pole motor extends into the air cavity and is connected with the impeller;

the air inlet is connected with the other end of the smoke exhaust pipeline, and the air outlet is connected with the other end of the smoke removal pipeline.

2. The steaming oven as claimed in claim 1, wherein the air inlet is provided on one axial end face of the volute, and a through hole opposite to the air inlet is provided on the other axial end face of the volute;

a plurality of fixing columns are convexly arranged on the volute and are arranged around the through hole;

the shaded pole motor is connected with the fixed column, and a rotating shaft of the shaded pole motor penetrates through the through hole and extends into the air cavity.

3. The steaming oven as claimed in claim 2, wherein the shaded pole motor includes a stator, a rotor and a coil; the stator is fixed on the plurality of fixing columns, the rotor is rotatably connected with the stator, and one end of the rotor forms the rotating shaft; the coil is wound on the stator.

4. The steaming oven as claimed in claim 2, further comprising a control valve, wherein the control valve is disposed in the smoking pipe and is used to open and close the smoking pipe.

5. The steaming oven of claim 4, further comprising a flue disposed between the air inlet of the volute and the smoking conduit;

one end of the flue is communicated with the air inlet, the other end of the flue is provided with a smoke inlet, and the smoke inlet is communicated with one end of the smoke extraction pipeline, which is far away from the smoke outlet;

the control valve is arranged at the joint of the flue and the smoke exhaust pipeline and is used for opening and closing the smoke inlet.

6. The steaming oven of claim 5, wherein the control valve comprises a control motor and a valve plate;

the control motor is arranged outside the flue, and an output shaft of the control motor extends into the flue;

the valve plate is arranged in the flue and is arranged on an output shaft of the control motor;

the valve block with the mouth is relative, just the valve block is in the drive of control motor is opened and close down the mouth advances.

7. The steaming oven as claimed in claim 5, wherein a plurality of fixing portions are protruded from an outer wall of the volute, the fixing portions having fixing holes, and the fixing portions are fixed to an outer wall of the flue through the fixing holes.

8. The steaming oven of claim 1, further comprising a heat dissipating air duct and a heat dissipating fan;

the heat dissipation air duct is arranged in the box body and is arranged outside the inner container; the air outlet end of the heat dissipation air duct is communicated with the external space of the box body;

the heat dissipation fan is arranged in the heat dissipation air channel and used for providing wind power for the heat dissipation air channel;

the inner container is provided with an air outlet, and the heat dissipation air duct is communicated with the air outlet;

one end of the smoke removal pipeline is communicated with the heat dissipation air duct and communicated with the external space of the box body through the heat dissipation air duct.

9. The steaming oven as claimed in claim 8, wherein the heat dissipation duct is disposed on the upper side of the inner container, and the air outlet is disposed on the top surface of the inner container;

the steaming and baking oven also comprises a pressure relief piece, and the pressure relief piece is arranged between the heat dissipation air duct and the inner container; a pressure relief cavity is formed in the pressure relief piece;

a pressure relief hole is formed in the heat dissipation air duct, the pressure relief piece and the pressure relief hole are arranged oppositely, and the pressure relief hole is communicated with the heat dissipation air duct and the pressure relief cavity;

the pressure relief piece is arranged opposite to the air outlet hole, and the air outlet hole is communicated with the steaming and baking cavity and the pressure relief cavity.

10. The steaming oven as claimed in claim 9, wherein the smoke removing pipeline is arranged on the upper side of the top of the inner container and is positioned on one side of the heat dissipation air duct;

the smoke exhaust fan is arranged on the upper side of the top of the inner container;

the smoke outlet is arranged on the side wall of the inner container;

the smoke exhaust pipeline is arranged on one side of the inner container and extends vertically, the lower end of the smoke exhaust pipeline is communicated with the smoke exhaust port, and the upper end of the smoke exhaust pipeline is communicated with the air inlet.

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