阅读说明：本技术 一种烹饪装置及具有该烹饪装置的集成灶 (Cooking device and integrated stove with same ) 是由 王黎喆 李东波 杨均 于 2021-09-30 设计创作，主要内容包括：本发明涉及一种烹饪装置及具有该烹饪装置的集成灶,包括具有排气口的内胆,所述内胆上还开设有用于从内胆朝外抽气的抽气口,还包括抽气泵,该抽气泵包括具有抽气进气口和抽气出气口的壳体,上述抽气进气口与内胆的抽气口相流体连通,而抽气出气口与外界相通,且该壳体中安装有同轴设置的轴流扇叶和离心扇叶,该轴流扇叶和离心扇叶设置在上述抽气进气口与抽气出气口之间,且轴流扇叶邻近上述抽气进气口而离心扇叶邻近上述抽气出气口。与现有技术相比,本发明中内胆中的气体能通过该抽气口被朝外抽出,提高内胆的排气效率,满足烤模式下高油烟气体以及蒸模式下高湿气体外抽的需要。(The invention relates to a cooking device and an integrated stove with the cooking device, comprising an inner container with an air outlet, wherein the inner container is also provided with an air extraction opening for extracting air from the inner container outwards, the integrated stove also comprises an air extraction pump, the air extraction pump comprises a shell with an air extraction air inlet and an air extraction air outlet, the air extraction air inlet is in fluid communication with the air extraction opening of the inner container, the air extraction air outlet is communicated with the outside, the shell is internally provided with an axial flow fan blade and a centrifugal fan blade which are coaxially arranged, the axial flow fan blade and the centrifugal fan blade are arranged between the air extraction air inlet and the air extraction air outlet, and the axial flow fan blade is adjacent to the air extraction air inlet while the centrifugal fan blade is adjacent to the air extraction air outlet. Compared with the prior art, the gas in the inner container can be pumped out through the air pumping hole, so that the exhaust efficiency of the inner container is improved, and the requirements of high oil smoke gas in a baking mode and high humidity gas in a steaming mode are met.)

1. A cooking device comprising an inner container (10) having an air outlet (101), characterized in that, the inner container (10) is also provided with an air extraction opening (102) for extracting air from the inner container (10) outwards and an air extraction pump (4), the air pump (4) comprises a housing (40) having an air inlet (41) and an air outlet (42), the air suction inlet (41) is in fluid communication with the air suction opening (102) of the inner container (10), the air exhaust outlet (42) is communicated with the outside, and the shell (40) is internally provided with an axial flow fan blade (44) and a centrifugal fan blade (43) which are coaxially arranged, the axial flow fan blade (44) and the centrifugal fan blade (43) are arranged between the air suction inlet (41) and the air suction outlet (42), and axial flow fan blades (44) are adjacent to the suction air inlet (41) and centrifugal fan blades (43) are adjacent to the suction air outlet (42).

2. The cooking device according to claim 1, wherein the air inlet (41) is located below the air outlet (42), and the air inlet (41) and the air outlet (42) extend in a direction perpendicular to the axial fan (44) and the rotational shaft (45) of the centrifugal fan (43).

3. Cooking device according to claim 1, characterized in that said evacuation air outlet (42) is opposite to said centrifugal fan blades (43).

4. The cooking apparatus according to claim 2, wherein the housing (40) is vertically arranged, the rotary shafts (45) of the axial fan blades (44) and the centrifugal fan blades (43) extend in a central axis direction of the housing (40), the suction air inlet (41) extends in a left-right direction, and the suction air outlet (42) extends in a front-rear direction.

5. The cooking device according to claim 4, wherein the inner cavity of the housing (40) comprises a centrifugal chamber (401) for mounting the centrifugal fan blade (43) and an axial flow chamber (403) for mounting the axial flow fan blade (44), the centrifugal chamber (401) and the axial flow chamber (403) are both cylindrical in shape and communicate with each other up and down, the air exhaust outlet (42) is opened on the chamber wall of the centrifugal chamber (401) and extends along the tangential direction of the centrifugal chamber (401), and the air exhaust inlet (41) is in fluid communication with the lower port of the axial flow chamber (403).

6. The cooking device according to claim 5, wherein the inner cavity of the housing (40) further comprises a first air guide cavity (402), the first air guide cavity (402) is in a circular truncated cone shape, and an upper port of the first air guide cavity (402) is communicated with a lower port of the centrifugal cavity (401) and a lower port is communicated with an upper port of the axial flow cavity (403).

7. The cooking device as claimed in claim 6, wherein an air guide grid (46) is installed in an upper port of the first air guide cavity (402), and a shaft hole (461) for the rotation shaft (45) to pass through is formed in a center of the air guide grid (46).

8. The cooking device according to claim 6, wherein the inner cavity of the housing (40) further comprises a second air-guide chamber (404), an upper port of the second air-guide chamber (404) is communicated with a lower port of the axial flow chamber (403), and the lower port is communicated with the suction air inlet (41).

9. The cooking apparatus according to claim 8, wherein the second air guide chamber (404) has an inverted truncated cone shape, and a lower port of the second air guide chamber (404) is communicated with the suction air inlet (41) through a smoothly extending air guide tube (47).

10. A cooking device as claimed in claim 9, characterized in that the air duct (47) is peripherally provided with a first damping sleeve (97).

11. The cooking device according to claim 8, wherein the housing (40) is provided with a control valve for controlling the opening and closing of the suction inlet (41).

12. The cooking device according to claim 11, wherein the inner cavity of the housing (40) further comprises an air inlet cavity (405), the air inlet cavity (405) extends vertically, the suction air inlet (41) is opened on the wall of the air inlet cavity (405), an upper port of the air inlet cavity (405) is communicated with a lower port of the second air guide cavity (404), and an upper port of the second air guide cavity (404) is communicated with a lower port of the axial flow cavity (403).

13. The cooking apparatus according to claim 12, wherein the control valve is a solenoid valve (6), the second air guide chamber (404) has a cylindrical shape, and the first valve plate (61) of the solenoid valve (6) is horizontally disposed in the lower port of the second air guide chamber (404).

14. Cooking device according to claim 12, characterized in that said control valve is a stack (7), said second air-guide chamber (404) having the shape of an inverted circular truncated cone, the second flap (71) of the stack (7) being hinged to the suction air inlet (41).

15. The cooking device according to any one of claims 1 to 14, further comprising a driving motor (5) disposed vertically outside the top end of the air pump (4), wherein an output shaft of the driving motor (5) is linked with the upper end of the rotating shaft (45), and the output shaft and the upper end of the rotating shaft (45) are both located in the first sealed cavity (501).

16. The cooking apparatus according to claim 15, wherein the housing (40) comprises a first member (40a) having a cylindrical shape, an upper portion of an inner cavity of the first member (40a) forms the centrifugal chamber (401), a motor base (50) is disposed above the first member (40a), the motor base (50) comprises a disk-shaped base (51) having a central hole (510) and a cover (52) having a through hole (521) at a top portion thereof, the base (51) is covered on an upper opening of the first member (40a), the rotating shaft (45) is inserted into the central hole (510) of the base (51) and an output shaft of the driving motor (5) is inserted into the through hole (521) of the cover (52), and a first cylinder (511) centered on a central axis of the base (51) is fixed on a top surface of the base (51), the cover body (52) is covered on the base (51), the opening edge of the cover body (52) is abutted against the opening edge of the first cylinder body (511) along the circumferential direction, a third sealing ring (93) is arranged between the cover body and the first cylinder body (511), the first sealing cavity (501) is defined between the cover body (52) and the first cylinder body (511), the output shaft of the driving motor (5) is linked with the upper end of the rotating shaft (45) through a rotating bearing (53), and the rotating bearing (53) is positioned in the first sealing cavity (501).

17. The cooking apparatus according to claim 15, wherein the housing (40) comprises a first member (40a) having a cylindrical shape, an upper portion of an inner cavity of the first member (40a) forms the centrifugal chamber (401), a motor base (50) is disposed above the first member (40a), the motor base (50) comprises a disk-shaped base (51) having a central hole (510), the base (51) is disposed on an upper opening of the first member (40a), the rotating shaft (45) is disposed through the central hole (510) of the base (51), a first cylinder (511) and a second cylinder (512) outside the first cylinder (511) are respectively fixed on a top surface of the base (51), the first cylinder (511) and the second cylinder (512) are respectively disposed centering on a central axis of the base (51), the driving motor (5) is disposed on the motor base (50), and the bottom surface of the driving motor (5) and the top edge of the first cylinder (511) enclose the first sealed cavity (501), and the bottom surface of the driving motor and the top edge of the second cylinder (512) enclose the second sealed cavity (502) outside the first sealed cavity (501), the output shaft of the driving motor (5) is linked with the upper end of the rotating shaft (45) through a rotating bearing (53), and the rotating bearing (53) is positioned in the first sealed cavity (501).

18. The cooking apparatus according to claim 17, wherein a rotary sleeve (54) is interposed between the rotary bearing (53) and the inner peripheral surface of the first cylinder (511), a lower end of the rotary sleeve (54) extends circumferentially and radially outward to form a rim (541) abutting against the lower surface of the base (51), and the rotary shaft (45) is fitted with a first seal ring (91), the first seal ring (91) abutting against the rim (541).

19. The cooking apparatus according to claim 15, wherein the housing (40) comprises a first member (40a) having a cylindrical shape, an upper portion of an inner cavity of the first member (40a) forms the centrifugal cavity (401), a motor base (50) is disposed above the first member (40a), the motor base (50) comprises a disk-shaped base (51) having a central hole (510), the base (51) is disposed on an upper opening of the first member (40a), the rotating shaft (45) is disposed in the central hole (510) of the base (51), a first cylinder (511) centered on a central axis of the base (51) is fixed on a top surface of the base (51), the cover (52) is disposed on the base (51), and a bottom surface of the driving motor (5) circumferentially abuts against an opening edge of the first cylinder (511) with a fifth sealing ring (95) interposed therebetween, the first sealed cavity (501) is enclosed between the bottom surface of the driving motor (5) and the first cylinder (511), the output shaft of the driving motor (5) is linked with the upper end of the rotating shaft (45) through a rotating bearing (53), and the rotating bearing (53) is positioned in the first sealed cavity (501).

20. The cooking device according to claim 19, wherein a second damping sleeve (98) is provided around the drive motor (5).

21. The cooking device as claimed in claim 16 or 19, wherein the rotary bearing (53) is a vertically arranged cylinder, the bottom of the cylinder is provided with an installation groove (531) for inserting the upper end of the rotary shaft (45), and a soft buffer cap (96) is arranged between the installation groove (531) and the upper end of the rotary shaft (45).

22. An integrated cooker comprising a cooking device (1) as claimed in any one of claims 1 to 21 and a cooker (2) disposed on the cooking device (1), wherein the cooker (2) comprises a cooker housing having an exhaust cavity (30) therein, the cooker housing comprises a base plate (21) having an open upper portion and a panel (22) covering the base plate (21), an exhaust window (221) communicating with the exhaust cavity (30) is opened at a rear side of the panel (22), the exhaust port (101) is in fluid communication with a first air inlet (31) of the exhaust cavity (30), and the exhaust outlet (42) of the air pump (4) is in fluid communication with a second air inlet (32) of the exhaust cavity (30).

23. The integrated cooker according to claim 22, characterized in that the exhaust opening (101) is opened at the upper left of the back plate of the inner container (10) and the exhaust opening (102) is opened at the lower rear of the right side wall of the inner container (10).

24. The integrated cooker according to claim 23, characterized in that a water tank (8) is provided on the right side of the inner container (10), and the air pump (4) is provided adjacent to the water tank (8).

25. The integrated cooker according to claim 24, characterized in that a partition plate (81) is vertically arranged between the inner container (10) and the water tank (8), and the air pump (4) is installed on the outer surface of the partition plate (81).

26. The integrated cooker according to claim 25, characterized in that a mounting bracket (48) is fixed on the outer surface of the suction pump (4) and is fixed on the partition plate (81) through the mounting bracket (48).

27. The integrated cooker according to claim 22, characterized in that an exhaust box (3) is arranged in the cooker housing of said cooker (2), said exhaust box (3) is covered on the lower surface of the panel (22) where said exhaust window (221) is located to enclose said exhaust cavity (30), said first air inlet (31) and said second air inlet (32) are arranged on the bottom wall of said exhaust box (3) at intervals.

28. The integrated cooker according to claim 27, wherein the exhaust box (3) is provided with a condensation box (11), the bottom wall of the condensation box (11) is respectively provided with a first vent (111) and a second vent (112) corresponding to the first inlet (31) and the second inlet (32), the vents are respectively in fluid communication with the corresponding inlets, and the inner bottom surface of the condensation box (11) is respectively vertically provided with a retaining ring (113) surrounding the periphery of each vent.

Technical Field

The invention relates to the field of cooking devices, in particular to a cooking device and an integrated stove with the same.

Background

An integrated cooker is a device that integrates a cooker (generally, a gas cooker) with other household appliances, and an integrated cooker with a cooking device is a type of integrated cooker that integrates a cooker with a cooking device (an electric steamer, an electric oven, or an all-in-one steaming and baking machine, etc.), and the cooker is installed above the cooking device. For example, chinese invention patent with application number CN202010620832.9 (publication number CN111735080A), chinese utility model patent with patent number ZL202021260123.6 (publication number CN212585007U) and the like all disclose the integrated cooker of this type.

Present culinary art device of function is baked in area (for example oven, evaporate roast all-in-one etc.) can't high-efficient exhaust under roast mode, and then influences the effect of toasting, especially toast when having higher food to the hydrofuge requirement, for example: dissolving beans, dried vegetables and fruits, cakes, puffs and the like. Simultaneously, for pursuing high-efficient culinary art, current area evaporates the cooking device's of function steam generator's power also is bigger and bigger, brings the culinary art thereupon and finishes when opening the door, and the user can be directly spouted to a large amount of steam that remain in the inner bag, influences user's use and experiences.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a cooking device with high exhaust efficiency.

The second technical problem to be solved by the present invention is to provide a cooking device capable of avoiding the direct injection of steam in the inner container when the door is opened.

A third technical problem to be solved by the present invention is to provide an integrated cooker with the above cooking apparatus in view of the prior art.

The technical scheme adopted by the invention for solving at least one technical problem is as follows: the utility model provides a cooking device, includes the inner bag that has the gas vent, its characterized in that, still set up the extraction opening that is used for outwards bleeding from the inner bag on the inner bag, still include the aspiration pump, this aspiration pump is including the casing that has the air inlet of bleeding and the gas outlet of bleeding, the aforesaid air inlet of bleeding is with the extraction opening fluid communication of inner bag, and the gas outlet of bleeding communicates with each other with the external world, and install axial fan blade and the centrifugal fan blade of coaxial setting in this casing, this axial fan blade and centrifugal fan blade set up between above-mentioned air inlet of bleeding and gas outlet of bleeding, and axial fan blade is close to above-mentioned air inlet of bleeding and centrifugal fan blade is close to above-mentioned gas outlet of bleeding.

Furthermore, the air inlet is located under the air outlet, and the extending directions of the air inlet and the air outlet are respectively perpendicular to the extending directions of the rotating shafts of the axial flow fan blade and the centrifugal fan blade. The gas that is inhaled the aspiration pump can take place condensation once in the air inlet of bleeding like this, and the gas that is inhaled the aspiration pump simultaneously can be more rapidly through bleeding the gas outlet outward, improves the work efficiency of aspiration pump.

Further, the air exhaust outlet is opposite to the centrifugal fan blade. Further improving the discharge efficiency of the gas sucked into the air pump through the air exhaust outlet.

Further, the housing is vertically disposed, the rotation shafts of the axial flow fan blades and the centrifugal fan blades extend in the direction of the central axis of the housing, the air intake port extends in the left-right direction, and the air exhaust port extends in the front-rear direction. On the one hand, make gas more smoothly by the outer pump-out, on the other hand makes the condensation water ability that forms in the casing inner chamber flow downwards along the trend and is flowed back to the inner bag through the air inlet of bleeding, avoids the condensation water to remain in the inner chamber of casing.

Further, the inner cavity of the casing comprises a centrifugal cavity for mounting the centrifugal fan blade and an axial flow cavity for mounting the axial flow fan blade, the centrifugal cavity and the axial flow cavity are both cylindrical and communicated up and down, the air exhaust outlet is arranged on the cavity wall of the centrifugal cavity and extends along the tangential direction of the centrifugal cavity, and the air exhaust inlet is in fluid communication with the lower port of the axial flow cavity. Therefore, the air flow can better flow in the inner cavity of the shell under the rotation drive of the axial flow fan blades and the centrifugal fan blades and can be smoothly discharged from the air exhaust outlet.

Furthermore, the inner cavity of the shell also comprises a first air guide cavity, the shape of the first air guide cavity is in a circular truncated cone shape, the upper port of the first air guide cavity is communicated with the lower port of the centrifugal cavity, and the lower port of the first air guide cavity is communicated with the upper port of the axial flow cavity. The flow speed of the air outlet of the axial flow fan blade is increased through the guiding of the first air guide cavity, and the flow speed of the air inlet of the centrifugal fan blade is further increased.

Furthermore, an air guide grid is installed in the upper port of the first air guide cavity, and a shaft hole for the rotation shaft to penetrate through is formed in the center of the air guide grid. Can comb the air current that gets into the centrifugal chamber through the air-guiding grid, promote centrifugal fan blade's air inlet efficiency, can realize the stable installation to the rotation axis in addition.

Furthermore, the inner cavity of the shell also comprises a second air guide cavity, the upper port of the second air guide cavity is communicated with the lower port of the axial flow cavity, and the lower port is communicated with the air suction inlet in a fluid mode. The second air guide cavity enables the air flow entering through the air suction inlet to flow into the axial flow cavity more smoothly.

Furthermore, the shape of the second air guide cavity is in an inverted frustum shape, and the lower port of the second air guide cavity is communicated with the air exhaust inlet through the smoothly extending air guide pipe, so that the air flow can be further and smoothly guided into the axial flow cavity.

Furthermore, the periphery of the air duct is provided with a first damping sleeve. Like this at the working process, can carry out the shock attenuation to the aspiration pump through first shock attenuation cover, guarantee the steadiness of aspiration pump mounting structure.

Further, the shell is provided with a control valve for controlling the opening and closing of the air suction inlet. Therefore, the control valve can realize the opening and closing of the air pump, and further realize the control of the exhaust of the inner container.

Further, the inner cavity of the shell further comprises an air inlet cavity, the air inlet cavity extends vertically, the air exhaust inlet is formed in the wall of the air inlet cavity, the upper port of the air inlet cavity is communicated with the lower port of the second air guide cavity, and the upper port of the second air guide cavity is communicated with the lower port of the axial flow cavity. The air inlet efficiency of the air pump can be improved by arranging the air inlet cavity, so that the air pumping efficiency of the air pump is improved.

Furthermore, the control valve is an electromagnetic valve, the second air guide cavity is cylindrical, and the valve plate of the electromagnetic valve is horizontally arranged in the lower port of the second air guide cavity, so that the air inlet efficiency at the air exhaust inlet can be ensured, and the air exhaust efficiency of the air exhaust pump is further ensured.

Furthermore, the control valve is a stack valve, the shape of the second air guide cavity is in an inverted circular truncated cone shape, and a valve plate of the stack valve is hinged to the air exhaust inlet. The stack valve has the advantages of small influence of flowing media and large flowing quantity, and the second air guide cavity with the inverted frustum-shaped design can guide airflow into the axial flow cavity more comfortably.

Further, still include the vertical external driving motor on above-mentioned aspiration pump top, this driving motor's output shaft and the upper end linkage of above-mentioned rotation axis, and the upper end of this output shaft and rotation axis all is located first sealed chamber. The driving motor is arranged outside the inner cavity of the shell, the service life of the driving motor can be prolonged, the upper ends of the output shaft and the rotating shaft are arranged in the first sealing cavity, on one hand, the service life of the driving motor can be further prolonged, and on the other hand, gas leakage in the air suction pump can be avoided.

Further, the housing includes a first member having a cylindrical shape, an upper portion of an inner cavity of the first member forms the centrifugal cavity, a motor base is disposed above the first member, the motor base includes a disk-shaped base having a central hole and a cover having a through hole at a top portion thereof, the base is covered on an upper opening of the first member, the rotating shaft is inserted into the central hole of the base and an output shaft of the driving motor is inserted into the through hole of the cover, a first cylinder centered on a central axis of the base is fixed on a top surface of the base, the cover is covered on the base, a mouth edge of the cover and a mouth edge of the first cylinder are circumferentially abutted, a third sealing ring is interposed between the first cylinder and the cover, the first sealing cavity is defined between the cover and the first cylinder, the output shaft of the driving motor is linked with an upper end of the rotating shaft through a rotating bearing, and the rotary bearing is located in the first sealed chamber.

Further, the casing includes a first member having a cylindrical shape, an inner cavity of the first member forms the centrifugal cavity, a motor base is disposed above the first member, the motor base includes a disc-shaped base having a central hole, the base is covered on an upper opening of the first member, the rotating shaft is inserted into the central hole of the base, a first cylinder and a second cylinder outside the first cylinder are respectively fixed on a top surface of the base, the first cylinder and the second cylinder are respectively disposed centering on a central axis of the base, the driving motor is disposed on the motor base, a bottom surface of the driving motor and a top edge of the first cylinder define the first sealed cavity and a top edge of the second cylinder define a second sealed cavity outside the first sealed cavity, an output shaft of the driving motor is linked with an upper end of the rotating shaft through a rotating bearing, and the rotary bearing is located in the first sealed chamber. On the one hand, the first sealing cavity can be well formed, on the other hand, the sealing performance of the output shaft of the driving motor can be better guaranteed through the structure of the inner and outer double sealing cavities, the working performance of the driving motor is further better guaranteed, and the service life of the driving motor is prolonged.

Furthermore, a rotating shaft sleeve is clamped between the rotating bearing and the inner circumferential surface of the first cylinder, the lower end of the rotating shaft sleeve extends outwards along the circumferential direction and the radial direction to form an edge which abuts against the lower surface of the base, and a first sealing ring is sleeved on the rotating shaft and abuts against the edge. The sealing performance of the output shaft of the driving motor is further improved, and gas in the inner cavity of the shell is better prevented from leaking.

Furthermore, the shell comprises a first component with a cylindrical shape, the upper part of the inner cavity of the first component forms the centrifugal cavity, a motor seat is arranged above the first component and comprises a disc-shaped base with a central hole, the base cover is arranged on the upper opening of the first component, the rotating shaft is arranged in the central hole of the base in a penetrating way, the top surface of the base is fixed with a first cylinder which takes the central shaft of the base as the center, the cover body is covered on the base, the bottom surface of the driving motor is abutted against the opening edge of the first cylinder along the circumferential direction, a fifth sealing ring is clamped between the bottom surface of the driving motor and the opening edge of the first cylinder, the bottom surface of the driving motor and the first cylinder body enclose the first sealed cavity, the output shaft of the driving motor is linked with the upper end of the rotating shaft through a rotating bearing, and the rotating bearing is positioned in the first sealed cavity.

Further, a second damping sleeve is arranged on the periphery of the driving motor. Vibrations that the driving motor during operation produced can be slowed down through second shock attenuation cover, further guarantee aspiration pump mounting structure's steadiness.

Further, the swivel bearing is a vertically arranged cylinder, a mounting groove for inserting the upper end of the rotating shaft is formed in the bottom of the cylinder, and a soft buffer cap is clamped between the mounting groove and the upper end of the rotating shaft.

The technical solution adopted to further solve the third technical problem is as follows: an integrated cooker comprises the cooking device and a cooker arranged on the cooking device, wherein the cooker comprises a cooker shell internally provided with an exhaust cavity, the cooker shell comprises a base plate with an upper opening and a panel covered on the base plate, an exhaust window communicated with the exhaust cavity is arranged at the rear side of the panel, and the exhaust port is in fluid communication with a first air inlet of the exhaust cavity. Therefore, the gas pumped out of the inner container enters the exhaust cavity of the kitchen range, and is discharged outside through the exhaust window on the panel under the driving of the range hood above the kitchen range, so that the exhaust efficiency of the inner container can be further improved.

Furthermore, the exhaust port is arranged at the left upper part of the back plate of the liner, and the air exhaust port is arranged at the rear lower part of the right side wall of the liner. The opening position of the exhaust port meets the exhaust requirements of the cooking device in various modes, and good exhaust effect can be obtained in the steaming mode and the baking mode. The opening position of the pumping hole is favorable for pumping the gas in the inner container outwards, and the exhaust efficiency of the inner container is improved.

Furthermore, a water tank is arranged on the right side of the inner container, and the air pump is arranged adjacent to the water tank. The specific heat of the water accommodated in the water tank is large, and the air suction pump and the water tank are arranged adjacently to play a role in cooling, so that the service life of the air suction pump is prolonged.

Further, a partition plate is vertically arranged between the inner container and the water tank, and the air pump is installed on the outer surface of the partition plate, so that the air pump can be stably installed.

Furthermore, a mounting bracket is fixed on the outer surface of the air pump and is fixed on the partition plate through the mounting bracket, so that the air pump is convenient to mount.

Further, an exhaust box is arranged in a stove shell of the stove, the exhaust box covers the lower surface of a panel where the exhaust window is located to form the exhaust cavity, the first air inlet and the second air inlet are arranged on the bottom wall of the exhaust box at intervals, and retaining rings arranged on the peripheries of the air inlets are vertically arranged on the inner bottom surface of the exhaust box respectively, so that the exhaust cavity can be formed well.

Furthermore, a condensation box is arranged in the exhaust box, a first vent hole and a second vent hole which respectively correspond to the first air inlet and the second air inlet are respectively formed in the bottom wall of the condensation box, the vent holes are respectively communicated with the corresponding air inlets in a fluid mode, and retaining rings which are arranged on the peripheries of the vent holes in a surrounding mode are respectively and vertically arranged on the inner bottom surface of the condensation box. The check ring is arranged to avoid interference between the gas discharged from the exhaust port and the gas pumped out from the pumping hole, so that the exhaust efficiency of the inner container is ensured, and the condensate water formed in the condensation box can be prevented from flowing back to the inner container.

Compared with the prior art, the invention has the advantages that: the extraction opening has been seted up on the inner bag, and the gas in the inner bag can be taken out outwards through this extraction opening like this, improves the exhaust efficiency of inner bag: in the baking mode, the air exhaust port can realize outward moisture exhaust, so that the overhigh humidity in the inner container is avoided, and the baking effect is improved; when the steaming function is finished, the residual steam in the inner container is pumped out through the air pumping port, so that the situation that the steam in the inner container is directly injected to a user when the door is opened can be avoided.

The axial flow fan blades in the air suction pump can increase the air inlet amount of the centrifugal fan blades, and the centrifugal fan blades change the direction of air flow introduced through the axial flow fan blades, so that the air flow can flow out of the air suction outlet, high-flow exhaust of gas in the liner is realized, and the requirements of high-oil smoke gas in a baking mode and high-humidity gas in a steaming mode for external suction are met.

Drawings

Fig. 1 is a schematic structural view of an integrated cooker in embodiment 1 of the present invention;

fig. 2 is a partial structural view of an integrated cooker in embodiment 1 of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 in another direction;

fig. 4 is another partial structural view of an integrated cooker in embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of an exhaust box and a condensation box in embodiment 1 of the present invention;

FIG. 6 is a schematic structural view of an air-suction pump in embodiment 1 of the present invention;

FIG. 7 is a sectional view of the air pump in embodiment 1 of the invention;

FIG. 8 is an exploded view showing a part of the construction of a suction pump in embodiment 1 of the present invention;

FIG. 9 is a schematic structural view of a first structural member of the air pump in embodiment 1 of the invention;

fig. 10 is a partial structural view of an integrated cooker in embodiment 2 of the present invention;

FIG. 11 is a schematic structural view of an air-suction pump in embodiment 2 of the present invention;

FIG. 12 is a partial schematic structural view of the air pump in embodiment 2 of the present invention;

FIG. 13 is a sectional view of a suction pump in embodiment 2 of this invention;

FIG. 14 is a partial exploded view showing the construction of the suction pump in accordance with embodiment 2 of the present invention;

FIG. 15 is a schematic structural view of an air-suction pump in embodiment 3 of the present invention;

fig. 16 is a sectional view of the air pump in embodiment 3 of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Example 1:

as shown in fig. 1 to 9, an integrated stove includes a cooking device 1 having an inner container 10 and a stove 2 disposed on the cooking device 1, the inner container 10 has an air outlet 101 and an air outlet 102, the air outlet 102 is used for extracting air from the inner container 10, the stove 2 includes a stove housing having an air outlet cavity 30 therein, the stove housing includes a base 21 having an upper opening and a panel 22 covering the base 21, an air outlet window 221 communicating with the air outlet cavity 30 is disposed at a rear side of the panel 22, the air outlet cavity 30 is respectively provided with a first air inlet 31 and a second air inlet 32, and the air outlet 101 and the air outlet 102 are respectively in fluid communication with the first air inlet 31 and the second air inlet 32. Therefore, the gas in the inner container 10 can be pumped out outwards through the pumping hole 102 and enter the exhaust cavity 30 in the cooker 2, and is discharged outwards through the exhaust window 221 on the panel 22 under the driving of the range hood 101 above the cooker 2, so that the exhaust efficiency of the inner container 10 is improved. Specifically, under roast mode, can realize outwards hydrofuge through this extraction opening 102, avoid the inside humidity of inner bag 10 too high to promote the effect of toasting, and when evaporating the function and ending, take out surplus steam in the inner bag 10 outward through this extraction opening 102, thereby can avoid the steam in the inner bag 10 when opening the door to directly spout the user. Preferably, in this embodiment, a humidity probe 100 is installed on the inner top surface of the inner container 10, so that the humidity in the inner container 10 can be monitored.

In the present embodiment, as shown in fig. 4 and 5, an exhaust box 3 is disposed in a stove casing of the stove 2, the exhaust box 3 is covered on a lower surface of the panel 22 where the exhaust window 221 is located to enclose the exhaust cavity 30, and the first air inlet 31 and the second air inlet 32 are disposed on a bottom wall of the exhaust box 3 at an interval. In order to collect the condensed water formed in the exhaust box 3, a condensation box 11 is disposed in the exhaust box 3, a first vent hole 111 and a second vent hole 112 corresponding to the first inlet 31 and the second inlet 32 are respectively opened on the bottom wall of the condensation box 11, and each vent hole is in fluid communication with the corresponding inlet, and a retaining ring 113 is vertically disposed on the inner bottom surface of the condensation box 11 and surrounds the periphery of each vent hole. The check ring 113 can prevent the interference between the gas discharged from the exhaust port 101 and the gas pumped from the pumping port 102, so as to ensure the exhaust efficiency of the liner 10, and prevent the condensed water formed in the condensation box 11 from flowing back to the liner 10. In this embodiment, the exhaust port 101 is communicated with the first air inlet 31 through the exhaust pipe 104, and the exhaust port 101 can perform the function of supplying air to the liner 10 when the internal pressure of the liner 10 is lower than the external atmospheric pressure under the continuous action of the air pump 4, thereby realizing the continuous air extraction of the liner 10

Specifically, in the present embodiment, as shown in fig. 2 and 3, the exhaust port 101 is opened at the upper left of the back plate of the inner container 10, and the exhaust port 102 is opened at the lower rear of the right side wall of the inner container 10. The opening position of the exhaust port 101 meets the exhaust requirements of the cooking device 1 in various modes, and good exhaust effect can be obtained in both the steaming mode and the baking mode. The opening position of the pumping hole 102 is beneficial to pumping out the gas in the liner 10, and the exhaust efficiency of the liner 10 is improved. Further, a water tank 8 is provided on the right side of the inner container 10, and the suction pump 4 is provided adjacent to the water tank 8. The specific heat of the water of holding is great in the water tank 8, establishes the adjacent ability with aspiration pump 4 and water tank 8 and plays the cooling effect to the life of extension aspiration pump 4. Preferably, a partition plate 81 is vertically disposed between the inner container 10 and the water tank 8, and the air pump 4 is installed on an outer surface of the partition plate 81, so that the air pump 4 can be stably installed. Preferably, a mounting bracket 48 is fixed to an outer surface of the suction pump 4, and is fixed to the partition 81 by the mounting bracket 48, so that the suction pump 4 can be stably mounted.

In order to better achieve the purpose of pumping the gas from the inner container 10 through the pumping hole 102, as shown in fig. 6 to 9, the gas pump 4 is further provided with a pumping gas inlet 41 and a pumping gas outlet 42, wherein the pumping gas inlet 41 is in fluid communication with the pumping hole 102, and the pumping gas outlet 42 is in fluid communication with the second gas inlet 32 of the exhaust cavity 30. Specifically, the air pump 4 includes a housing 40 having the suction air inlet 41 and the suction air outlet 42, the housing 40 is provided therein with an axial fan 44 and a centrifugal fan 43 which are coaxially disposed, the axial fan 44 and the centrifugal fan 43 are disposed between the suction air inlet 41 and the suction air outlet 42, and the axial fan 44 is adjacent to the suction air inlet 41 and the centrifugal fan 43 is adjacent to the suction air outlet 42. Thus, the axial flow fan blades 44 increase the air intake of the centrifugal fan blades 43, and the centrifugal fan blades 43 change the direction of the air flow guided in through the axial flow fan blades 44, so that the air flow can flow out from the air exhaust outlet 42, high-flow exhaust of the gas in the inner container 10 is realized, and the requirements of high oil smoke gas in the baking mode and high humidity gas in the steaming mode for external extraction are met. The air pump 4 of the invention realizes the characteristics of small volume and high flow rate through the combined design of the centrifugal fan blades 43 and the axial flow fan blades 44, and solves the problem of narrow installation space in the cooking device 1.

Further, the bleed air inlet 41 is located below the bleed air outlet 42, and the extending directions of the bleed air inlet 41 and the bleed air outlet 42 are perpendicular to the extending directions of the rotating shafts 45 of the axial flow fan blades 44 and the centrifugal fan blades 43, respectively. Thus, the gas sucked into the air pump 4 can be condensed once in the air suction inlet 41, and meanwhile, the gas sucked into the air pump 4 can be discharged out through the air suction outlet 42 more quickly, so that the working efficiency of the air pump 4 is improved. The air exhaust outlet 42 is opposite to the centrifugal fan blades 43, so that the discharge efficiency of the air sucked into the air exhaust pump 4 through the air exhaust outlet 42 is further improved. Preferably, the casing 40 is vertically installed, the rotation shafts 45 of the axial blades 44 and the centrifugal blades 43 extend in the central axis direction of the casing 40, the suction air inlet 41 extends in the left-right direction, and the suction air outlet 42 extends in the front-rear direction. On one hand, the gas is more smoothly pumped out, and on the other hand, the condensed water formed in the inner cavity of the shell 40 can flow downwards and flow back to the inner container 10 through the pumping air inlet 41, so that the condensed water is prevented from remaining in the inner cavity of the shell 40. In this embodiment, the bleed air inlet 41 is directly connected to the bleed air inlet 102, and the bleed air outlet 42 is connected to the second air inlet 32 via a bleed air pipe 103.

In this embodiment, as shown in fig. 7, the inner cavity of the casing 40 includes a centrifugal cavity 401 for mounting the centrifugal fan blade 43 and an axial cavity 403 for mounting the axial fan blade 44, the centrifugal cavity 401 and the axial cavity 403 are both cylindrical and are communicated with each other vertically, the air exhaust outlet 42 is opened on the wall of the centrifugal cavity 401 and extends along the tangential direction of the centrifugal cavity 401, and the air exhaust inlet 41 is in fluid communication with the lower port of the axial flow cavity 403, so that the air flow can better flow in the inner cavity of the casing 40 under the rotation driving of the axial fan blade 44 and the centrifugal fan blade 43, and can be smoothly discharged from the air exhaust outlet 42. Further, the inner cavity of the housing 40 further includes a first air guide cavity 402, the first air guide cavity 402 is in a circular truncated cone shape, and an upper port of the first air guide cavity 402 is communicated with a lower port of the centrifugal cavity 401 and a lower port of the first air guide cavity is communicated with an upper port of the axial flow cavity 403. The flow rate of the outlet air of the axial flow fan blades 44 is increased by the guidance of the first air guide cavity 402, and the flow rate of the inlet air of the centrifugal fan blades 43 is further increased. Preferably, an air guide grill 46 is installed in an upper end of the first air guide cavity 402, and a shaft hole 461 through which the rotating shaft 45 passes is opened at a center of the air guide grill 46. The air guide grille 46 can comb the air flow entering the centrifugal cavity 401, the air inlet efficiency of the centrifugal fan blades 43 is improved, and the stable installation of the rotating shaft 45 can be realized. In this embodiment, the air guiding grille 46 includes a shaft ring 462 located at the center, the through hole of the shaft ring 462 forms the shaft hole 461, the shaft ring 462 is adjacent to the opening edge of the upper port of the first air guiding cavity 402 through a radially extending connecting strip 463, the connecting strips 463 are arranged at intervals in the circumferential direction, and air guiding ports 464 are formed between the adjacent connecting strips 463.

Further, the inner cavity of the housing 40 further includes a second air-guide cavity 404, an upper port of the second air-guide cavity 404 is communicated with a lower port of the axial flow cavity 403, and the lower port is in fluid communication with the bleed air inlet 41. The airflow entering through the bleed air inlet 41 can be made to flow into the axial flow chamber 403 more smoothly by providing the second air guide chamber 404. In this embodiment, the second air-guide chamber 404 has an inverted truncated cone shape, and the lower port of the second air-guide chamber 404 is communicated with the bleed air inlet 41 via the air-guide duct 47 extending smoothly, so that the air flow can be further smoothly introduced into the axial flow chamber 403. Preferably, a first shock-absorbing sleeve 97 is arranged on the periphery of the air duct 47. Like this at the working process, can carry out the shock attenuation to aspiration pump 4 through first shock attenuation cover 97, guarantee the steadiness of aspiration pump 4 mounting structure.

Specifically, in the present embodiment, the housing 40 is a split structure and includes a first member 40a and a second member 40b up and down, wherein the centrifugal cavity 401 and the first air guide cavity 402 are located in the first member 40a, the second air guide cavity 404 and the air inlet cavity 405 are located on the second member 40b, the lower end of the first member 40a and the upper end of the second member 40b enclose the axial flow cavity 403, and a second sealing ring 92 is disposed at a connection position of the first member 40a and the second member 40 b.

Further, still including vertical external driving motor 5 on above-mentioned aspiration pump 4 top, can avoid the inside oil smoke of aspiration pump 4 and the influence of high humid ambience to driving motor 5 performance through being external with driving motor 5 to extension driving motor 5's life. The output shaft of the driving motor 5 is linked with the upper end of the rotating shaft 45, and the output shaft and the upper end of the rotating shaft 45 are both located in the first sealed cavity 501. The service life of the driving motor 5 can be prolonged by arranging the driving motor 5 outside the inner cavity of the shell 40, and the upper ends of the output shaft and the rotating shaft 45 are arranged in the first sealing cavity 501, so that the service life of the driving motor 5 can be further prolonged on one hand, and the gas leakage in the air suction pump 4 can be avoided on the other hand. In addition, the present embodiment can avoid the problem that the drive motor 5 is stuck by accumulated grease after a long-term use by increasing the torque of the drive motor 5.

As shown in fig. 7, the housing 40 includes a first member 40a having a cylindrical shape, an upper portion of an inner cavity of the first member 40a forms the centrifugal cavity 401, a motor base is disposed above the first member 40a, the motor base includes a disk-shaped base 51 having a central hole 510, and a cover 52 having a through hole 521 at a top portion, the base 51 is covered on an upper opening of the first member 40a, the rotating shaft 45 is inserted into the central hole 510 of the base 51, an output shaft of the driving motor 5 is inserted into the through hole 521 of the cover 52, a first cylinder 511 centering on a central axis of the base 51 is fixed on a top surface of the base 51, the cover 52 is covered on the base 51, an edge of the cover 52 is circumferentially abutted against an edge of the first cylinder 511, a third sealing ring 93 is interposed between the cover 52 and the first cylinder 511, the first sealing cavity 501 is enclosed between the cover 52 and the first cylinder 511, an output shaft of the driving motor 5 is interlocked with an upper end of the rotating shaft 45 through a rotary bearing 53, and the rotary bearing 53 is located in the first sealed chamber 501. Preferably, a fourth sealing ring 94 is interposed between the rotating shaft 45 and the central hole 510 of the base 51. Further preferably, the rotating bearing 53 is a vertically arranged cylinder, the bottom of the cylinder is provided with an installation groove 531 for inserting the upper end of the rotating shaft 45, and a soft buffer cap 96 is interposed between the installation groove 531 and the upper end of the rotating shaft 45, so that the rotating shaft 45 can rotate stably, and further the centrifugal fan blades 43 and the axial fan blades 44 can rotate stably.

Example 2:

as shown in fig. 10 to 14, unlike embodiment 1, in this embodiment, a control valve for controlling opening and closing of the extraction air inlet 41 is installed on the housing 40. Therefore, the control valve can realize the opening and closing of the air pump 4, and further realize the control of the exhaust of the inner container 10. Further, the inner cavity of the housing 40 further includes an air intake cavity 405, the air intake cavity 405 extends vertically, the air suction inlet 41 is opened on the cavity wall of the air intake cavity 405, an upper port of the air intake cavity 405 is communicated with a lower port of the second air guide cavity 404, and an upper port of the second air guide cavity 404 is communicated with a lower port of the axial flow cavity 403. The air intake efficiency of the air pump 4 can be improved by providing the air intake chamber 405, so that the air exhaust efficiency of the air pump 4 is improved. Specifically, the control valve is an electromagnetic valve 6, and different from embodiment 1, in this embodiment, the second air guide cavity 404 is cylindrical, and the first valve plate 61 of the electromagnetic valve 6 is horizontally disposed in the lower port of the second air guide cavity 404, so that the air intake efficiency at the air intake port 41 can be ensured, and the air exhaust efficiency of the air exhaust pump 4 can be ensured.

In the present embodiment, the outer side of the first member 40a is cylindrical, a motor base is disposed above the first member 40a, the motor base includes a disk-shaped base 51 having a center hole 510, the base 51 is covered on the upper opening of the first member 40a, the rotating shaft 45 is inserted into the center hole 510 of the base 51, a first cylinder 511 and a second cylinder 512 located outside the first cylinder 511 are respectively fixed on the top surface of the base 51, the first cylinder 511 and the second cylinder 512 are respectively centered on the center axis of the base 51, the driving motor 5 is disposed on the motor base, the bottom surface of the driving motor 5 and the top edge of the first cylinder 511 enclose the first sealed cavity 501, and the top edge of the second cylinder 512 enclose the second sealed cavity 502 located outside the first sealed cavity 501, the output shaft of the driving motor 5 is linked with the upper end of the rotating shaft 45 through a rotating bearing 53, and the rotary bearing 53 is located in the first sealed chamber 501. So on the one hand can form above-mentioned first seal chamber 501 better, on the other hand can guarantee the leakproofness of driving motor 5 output shaft department better through inside and outside setting up double seal chamber structure, and then guarantees driving motor 5's working property better, extension driving motor 5's life. Preferably, a rotary shaft sleeve 54 is interposed between the rotary bearing 53 and the inner circumferential surface of the first cylinder 511, a lower end of the rotary shaft sleeve 54 extends outward in the circumferential direction and the radial direction to form an edge 541 that abuts against the lower surface of the base 51, and the rotary shaft 45 is fitted with a first seal ring 91, and the first seal ring 91 abuts against the edge 541. The sealing performance at the output shaft of the driving motor 5 is further improved, and the gas in the inner cavity of the shell 40 is better prevented from leaking.

Example 3:

as shown in fig. 15 and 16, unlike embodiment 2, in this embodiment, the control valve is a stack valve 7, the second air guide chamber 404 has a rounded truncated cone shape, and a valve plate of the stack valve 7 is hinged to the bleed air inlet 41. The stack valve 7 has the advantages of less influence by the circulating medium and large flow capacity, and the second air guide cavity 404 with the inverted frustum design can guide the air flow into the axial flow cavity 403 more smoothly.

The housing 40 includes a first member 40a having a cylindrical shape, an upper portion of an inner cavity of the first member 40a forms the centrifugal chamber 401, a motor base is disposed above the first member 40a, the motor base includes a disk-shaped base 51 having a center hole 510, the base 51 is covered on an upper opening of the first member 40a, the rotating shaft 45 is inserted into the center hole 510 of the base 51, a first cylinder 511 centering on a center axis of the base 51 is fixed on a top surface of the base 51, the cover 52 is covered on the base 51, a bottom surface of the driving motor 5 is circumferentially abutted against an edge of the first cylinder 511 with a fifth sealing ring 95 interposed therebetween, the first sealing chamber 501 is defined between the bottom surface of the driving motor 5 and the first cylinder 511, an output shaft of the driving motor 5 is linked with an upper end of the rotating shaft 45 through a rotary bearing 53, and the rotary bearing 53 is located in the first sealed chamber 501. Further preferably, the rotating bearing 53 is a vertically arranged cylinder, the bottom of the cylinder is provided with an installation groove 531 for inserting the upper end of the rotating shaft 45, and a soft buffer cap 96 is interposed between the installation groove 531 and the upper end of the rotating shaft 45, so that the rotating shaft 45 can rotate stably, and further the centrifugal fan blades 43 and the axial fan blades 44 can rotate stably. Further, the periphery of the driving motor 5 is provided with a second damping sleeve 98, and the vibration generated during the operation of the driving motor 5 can be reduced through the second damping sleeve 98, so that the stability of the installation structure of the air extracting pump 4 is further ensured.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow from the first portion along a flow path or/and be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.