Steaming oven

Abstract

The utility model provides a steaming oven, which is characterized in that a movable heating device is a heating part used for heating articles in the steaming oven, the heating part is movable, and the moving speed of the heating part is adjustable; the steaming oven comprises an oven body, an inner container and the movable heating device. According to the movable heating device, the heating part can move, the moving speed can be adjusted, the heating duration and the heating degree of different positions in the steaming oven can be flexibly adjusted through the arrangement mode of the heating part so that the temperature field in the steaming oven can be kept uniform, in addition, the heating duration and the heating degree of different parts of a heated object can be flexibly adjusted, and the heating efficiency is improved. And the phenomenon that the left side and the right side are different in color and taste when the articles are heated is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen appliance technical field, especially a kind of steaming oven. BACKGROUND

[0002] As a kind of kitchen appliance, steaming oven can be steamed, roasted, steamed and roasted, or steamed and roasted simultaneously to realize the purpose of healthy cooking without open fire and less oil smoke. However, the uniformity of food baking in steaming oven is considered as the core index to evaluate its performance, and uneven baking of food will affect the heating effect and taste of food.

[0003] At present, the steaming oven in the prior art generally adopts a heating method combining forced convection and radiation heat exchange, that is, upper and lower heating pipes and a back fan are used to maintain the uniformity of temperature field in the oven cavity to realize omnidirectional food baking.

[0004] Firstly, the problem of the method of using upper and lower heating pipes and a back fan to maintain the uniformity of temperature field in the oven cavity is that, due to the structure of the heating pipe, although the electric control program can accurately control the full opening ratio of the inner and outer parts of the upper heating pipe, there is a limitation in adjusting the full opening ratio of the left and right sides of the heating pipe, and this limitation is particularly obvious when the back fan only rotates in a single direction. This is because when the back fan of the steaming oven can only rotate in one direction, the left and right sides of the cavity are more likely to have uneven temperature field, resulting in obvious difference in color and luster between the left and right sides of the food during cooking. Secondly, the heating pipe is composed of two inner and outer heating pipes and is fully distributed on the upper surface of the cavity, which increases the difficulty of cleaning and easily accumulates dirt, affecting the user experience. SUMMARY

[0005] The technical problem to be solved by the utility model is to overcome the defect of poor uniformity of temperature field in the steaming oven in the prior art, and to provide a steaming oven.

[0006] The utility model solves the above technical problems by the following technical scheme:

[0007] A movable heating device for a steaming oven, the movable heating device comprising a heating part for heating an article in the steaming oven, the heating part being movable and the moving speed of the heating part being adjustable.

[0008] In the present scheme, the heating part is movable and the moving speed is adjustable. The flexible adjustment of the heating part on the heating time and degree of different positions in the steaming oven can maintain the uniformity of the temperature field in the steaming oven. In addition, the heating time and degree of different parts of the heated article can also be flexibly adjusted to avoid the phenomenon of different color and taste between the left and right sides of the article during heating.

[0009] Preferably, the movable heating device further comprises a driving part and a transmission part, the transmission part is connected to the driving part and the heating part respectively and is located between the driving part and the heating part, and the transmission part is used for converting rotation into linear motion.

[0010] In the scheme, the driving part and the transmission part are provided to realize the movement of the heating part, and the transmission part is used for converting rotation into linear motion, which ensures the stability and accuracy of the movement of the heating part, thereby further improving the uniformity of the temperature field inside the steam oven.

[0011] Preferably, the driving part comprises a motor.

[0012] The transmission part comprises a screw rod and a rod assembly, the first end of the rod assembly along the extension direction is sleeved on the screw rod, and the second end is connected to the heating part.

[0013] When the motor is in a working state, the rod assembly can move relative to the screw rod.

[0014] In the scheme, the motor drives the screw rod to rotate in a more stable and mature manner, thereby improving the stability of the linear movement of the rod assembly and the stability of the linear movement of the heating part; secondly, the first end of the rod assembly along the extension direction is sleeved on the screw rod, and the second end is connected to the heating part, and the above arrangement makes the connection area of the rod assembly and the screw rod large and the fixing effect good.

[0015] Preferably, the rod assembly comprises a first connecting rod and at least two second connecting rods arranged at intervals, the first end of each second connecting rod is connected to the heating part, the second end is connected to the first connecting rod, and the end of the first connecting rod away from the second connecting rod is connected to the screw rod.

[0016] In the scheme, the arrangement of the at least two second connecting rods increases the connection area of the rod assembly and the heating part and the structural strength of the rod assembly itself; in addition, the arrangement of the first connecting rod makes the entire rod assembly move linearly, thereby driving the heating part to move linearly. In addition, even for a heating part with a larger size, the above structure can still reliably realize the connection through the rod assembly, thereby realizing reliable driving of the heating part by the driving part.

[0017] Preferably, the first connecting rod comprises a mounting part and a connecting part connected to the mounting part, the mounting part is in the form of a sleeve ring and is sleeved on the screw rod; the connecting part is connected to the end of the mounting part away from the screw rod and extends along the arrangement direction of the at least two second connecting rods; and the second ends of the at least two second connecting rods are connected to the lower surface of the connecting part.

[0018] And / or, the heating part comprises a heating pipe and at least two fixing parts, the at least two fixing parts are arranged at the top of the heating pipe in a spaced manner, the first end of each second connecting rod is provided with a fixing member, and the fixing members on the at least two second connecting rods are connected with the at least two fixing parts one by one.

[0019] In the scheme, the mounting part is in the form of a sleeve ring and is nested around the outer periphery of the screw rod, thereby increasing the mounting area of the first connecting rod and the screw rod and facilitating the rotation of the screw rod on the first connecting rod.

[0020] The arrangement of the at least two fixing parts and the fixing member can improve the fixing effect of the heating part on the second connecting rod, the plurality of fixing parts are arranged at the top of the heating pipe in a spaced manner, so that the heating part is more uniform in stress and is less likely to shake, thereby preventing the shaking from affecting the heating effect.

[0021] Preferably, the movable heating device further comprises a guide piece, the guide piece has a guide hole extending along the moving direction of the heating part.

[0022] The second end of the rod assembly is arranged in the guide piece through the guide hole, and the guide piece is located between the first end of the rod assembly and the heating part.

[0023] In the scheme, the guide piece can guide the movement of the heating part, thereby facilitating the movement of the heating part in a preset direction.

[0024] The utility model also provides a kind of steaming oven, including box and inner container, inner container is arranged in the inside of box, its characterized in that, steaming oven further includes above-mentioned movable heating device, multiple movable heating devices can be arranged in different positions of steaming oven simultaneously use, and heating part is located in inner container.

[0025] In the scheme, multiple movable heating devices can be arranged in different positions of steaming oven simultaneously use, and the above-mentioned arrangement mode can improve the working efficiency of steaming oven.

[0026] Preferably, a heat dissipation channel is formed between the top wall of the inner container and the top plate of the box body, the driving part and the screw rod are arranged in the heat dissipation channel, the first end of the rod assembly is located in the heat dissipation channel, and the second end of the rod assembly penetrates through the top wall of the inner container and is located in the interior of the inner container.

[0027] In this scheme, the arrangement of the heat dissipation channel is beneficial to quickly dissipate the heat of the whole steaming oven when the heating is stopped, thereby avoiding bringing bad user experience. In addition, the driving part and the screw rod are arranged in the heat dissipation channel, the first end of the rod assembly is located in the heat dissipation channel, and the second end of the rod assembly penetrates through the top wall of the inner container and is located in the interior of the inner container. In this way, the arrangement of the movable heating device in the steaming oven is relatively compact, the occupied space is reduced, the heat generated by the heating part is relatively concentrated, and the working efficiency of the steaming oven is improved.

[0028] Preferably, the movable heating device further comprises a guide member, the guide member has a guide hole extending along the moving direction of the heating part; the second end of the rod assembly is arranged in the guide member through the guide hole, and the guide member is located between the first end of the rod assembly and the heating part.

[0029] The top wall of the inner container is provided with a through hole, and the second end of the rod assembly penetrates through the through hole and is located in the interior of the inner container.

[0030] The through hole is used as the guide hole.

[0031] In this scheme, the arrangement of the through hole facilitates the movable heating device to extend into the inner container and enables the connecting part to move linearly flexibly. At the same time, the through hole on the inner container is directly used as the guide hole, which is beneficial to simplify the structure of the steaming oven.

[0032] Preferably, the steaming oven further comprises a sealing member made of high-temperature-resistant material, and the sealing member is filled between the outer wall surface of the second end of the rod assembly and the wall surface of the through hole.

[0033] And / or, the steaming oven comprises two movable heating devices, and the two movable heating devices are arranged oppositely, and the through hole is used as the guide hole of the two movable heating devices.

[0034] In this scheme, the arrangement of the sealing member has a good sealing effect on the inner container, preventing the heat in the inner container from being lost. In addition, the arrangement can reduce the moving distance of each movable heating device, and increase the fault tolerance, so that the steaming oven can still work normally when one of the movable heating devices is damaged.

[0035] The positive progress effect of the utility model lies in: the heating part is movable, and the moving rate is adjustable, the heating part is flexibly adjusted in the setting mode, the time length and the degree of being heated of different positions in the steam oven are adjusted, the temperature field in the steam oven is kept uniform, in addition, the heating time length and the degree of different parts of the heated article are flexibly adjusted, and the phenomenon that the left and right sides of the article are different in color and taste during heating is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is a structure schematic view of the steam oven of an embodiment of the utility model.

[0037] Figure 2 It is another structure schematic view of the steam oven of an embodiment of the utility model.

[0038] Figure 3 It is a partial enlarged view of Figure 2

[0039] Figure 4 It is another structure schematic view of the steam oven of an embodiment of the utility model (without guiding piece).

[0040] Figure 5 It is a partial enlarged view of Figure 4

[0041] Figure 6 It is a structure schematic view of the movable heating device of an embodiment of the utility model.

[0042] BRIEF DESCRIPTION OF DRAWINGS

[0043] Movable heating device 1

[0044] Heating part 11

[0045] Heating pipe 111

[0046] Fixed part 112

[0047] Driving part 12

[0048] Motor 121

[0049] Transmission part 13

[0050] Screw rod 131

[0051] Rod assembly 132

[0052] First connecting rod 1321

[0053] Mounting part 13211

[0054] Connecting part 13212

[0055] Second connecting rod 1322 ​​

[0056] Fixing member 13221

[0057] Steaming oven 2

[0058] Box body 21

[0059] Inner container 22

[0060] Through hole 221

[0061] Guide 222

[0062] Guide hole 223

[0063] Top wall 224

[0064] Seal 225

[0065] Heat dissipation channel 23 DETAILED DESCRIPTION

[0066] The utility model will be described below with reference to a preferred embodiment and in combination with the drawings, but the utility model is not limited to the scope of the embodiment.

[0067] As Figures 1 to 6 shown, the utility model provides a movable heating device 1 for steaming oven 2, movable heating device 1 includes the heating part 11 for heating the article in steaming oven 2, heating part 11 is movable, and the moving rate of heating part 11 can be adjusted.

[0068] In this embodiment, heating part 11 is movable, and the moving rate is adjustable, and heating part 11 is flexibly adjusted to the time length and degree of heating at different positions inside steaming oven 2, to keep the temperature field uniform inside steaming oven 2, in addition, the heating time length and degree of different parts of the heated article can be flexibly adjusted, to avoid the phenomenon that the color and taste of the left and right sides of the article are different when heating.

[0069] It should be noted that when heating the article, if it is found that the color of a part of the article is lighter, the time of heating part 11 staying in the part can be prolonged, and the temperature field is kept uniform.

[0070] In addition, the control mode of heating part 11 can be manual or automatic. As a preferred setting, in this embodiment, the movement of heating part 11 is automatically controlled.

[0071] Specifically, as Figures 1 to 6 understood, movable heating device 1 further includes driving part 12 and transmission part 13, transmission part 13 is connected to driving part 12 and heating part 11 respectively and located between driving part 12 and heating part 11, and transmission part 13 is used to convert rotation into linear motion.

[0072] In the embodiment, the driving part 12 and the transmission part 13 are configured to move the heating part 11, and the transmission part 13 is configured to convert the rotation into linear motion, which ensures the stability and accuracy of the movement of the heating part 11, thereby further improving the uniformity of the temperature field inside the steam oven 2.

[0073] It should be noted that in the embodiment, the input of the transmission part 13 is rotation, and the output is linear motion.

[0074] Specifically, it should be understood with reference to Figure 1 and Figure 6 that the driving part 12 comprises a motor 121, and the transmission part 13 comprises a screw rod 131 and a rod assembly 132, the first end of the rod assembly 132 along the extension direction is sleeved on the screw rod 131, and the second end is connected to the heating part 11; wherein when the motor 121 is in a working state, the rod assembly 132 can move relative to the screw rod 131.

[0075] In the embodiment, the motor 121 drives the screw rod 131 to rotate in a more stable and mature manner, thereby improving the stability of the linear movement of the rod assembly 132, and further improving the stability of the linear movement of the heating part 11; secondly, the first end of the rod assembly 132 along the extension direction is sleeved on the screw rod 131, and the second end is connected to the heating part 11, and the above-mentioned arrangement manner makes the connection area of the rod assembly 132 and the screw rod 131 large, and the fixing effect is good.

[0076] It should be noted that in the embodiment, the mechanism of the motor 121, the screw rod 131 and the rod assembly 132 (structure of rotation to linear motion) is only a preferred structure arrangement manner, and in other alternative embodiments, the motor 121 drives the screw rod 131 to be arranged in any structure suitable for this purpose, such as a crank slider mechanism or a cam mechanism.

[0077] It should be understood with reference to Figure 6 that the rod assembly 132 comprises a first connecting rod 1321 and at least two second connecting rods 1322 arranged at intervals, the first end of each second connecting rod 1322 is connected to the heating part 11, the second end is connected to the first connecting rod 1321, and the end of the first connecting rod 1321 away from the second connecting rod 1322 is connected to the screw rod 131.

[0078] In the embodiment, the arrangement of the at least two second connecting rods 1322 increases the connecting area of the rod assembly 132 with the heating part 11 and the structural strength of the rod assembly 132 itself; and the arrangement of the first connecting rod 1321 enables the entire rod assembly 132 to move linearly, thereby driving the heating part 11 to move linearly. In addition, even if the heating part 11 is large in size, the above structure can still reliably connect the rod assembly 132, thereby enabling the driving part 12 to reliably drive the heating part 11.

[0079] In the embodiment, the heating part 11 is large in size, and two second connecting rods 1322 are arranged correspondingly to reliably and stably connect the heating part 11. In other alternative embodiments, the second connecting rods 1322 can be arranged in other numbers according to actual needs.

[0080] It should be noted that when the first connecting rod 1321 moves to the end of the screw rod 131, the motor 121 will sense an increase in current and stop rotating in the reverse (forward) direction and start rotating in the forward (reverse) direction. This reversing process will drive the first connecting rod 1321 to move spirally from the middle to the left (right), thereby forming a periodic back-and-forth movement.

[0081] Reference Figures 1 to 6 It should be noted that the first connecting rod 1321 includes a mounting part 13211 and a connecting part 13212 connected to the mounting part 13211, the mounting part 13211 is in the form of a sleeve ring and is sleeved on the screw rod 131; the connecting part 13212 is connected to one end of the mounting part 13211 away from the screw rod 131 and extends along the arrangement direction of the at least two second connecting rods 1322; wherein the second ends of the at least two second connecting rods 1322 are connected to the lower surface of the connecting part 13212; and / or the heating part 11 includes a heating pipe 111 and at least two fixing parts 112, the at least two fixing parts 112 are arranged at the top of the heating pipe 111, the first end of each second connecting rod 1322 is provided with a fixing member 13221, and the fixing members 13221 on the at least two second connecting rods 1322 are connected to the at least two fixing parts 112 one by one.

[0082] In the embodiment, the mounting part 13211 is in the form of a sleeve ring and is nested around the outer periphery of the screw rod 131, which increases the mounting area of the first connecting rod with the screw rod 131 and facilitates the rotation of the screw rod 131 acting on the first connecting rod 1321; in addition, the connecting part 13212 is connected to one end of the mounting part 13211 away from the screw rod 131 and extends along the arrangement direction of the at least two second connecting rods 1322, which is conducive to mounting the at least two second connecting rods 1322 at the predetermined positions.

[0083] In addition, the arrangement of the at least two fixing portions 112 and the fixing member 13221 can improve the fixing effect of the heating portion 11 and the second connecting rod 1322, the plurality of fixing portions 112 are arranged at the top of the heating pipe 111 in a spaced manner, so that the heating portion 11 is more uniform in stress and is not easy to shake, and the shaking does not affect the heating effect.

[0084] It should be noted that the number of the fixing portions 112 is matched with the number of the second connecting rod 1322, and the spacing between the fixing portions 112 is as large as possible, and the width of the heating pipe 111 can cover the width of the inner container 22.

[0085] Reference Figure 6 It should be understood that the movable heating device 1 further comprises a guide 222, the guide 222 has a guide hole 223 extending along the moving direction of the heating portion 11; wherein the second end of the rod assembly 132 is arranged in the guide 222 through the guide hole 223, and the guide 222 is located between the first end of the rod assembly 132 and the heating portion 11.

[0086] In the embodiment, the guide 222 can guide the movement of the heating portion 11, thereby facilitating the movement of the heating portion 11 in the preset direction; in addition, the second end of the rod assembly 132 is arranged in the guide 222 through the guide hole 223, and the guide 222 is located between the first end of the rod assembly 132 and the heating portion 11, and the above arrangement facilitates the adjustment of the position and depth of the heating portion 11 in the inner container 22 and the movement at different depths according to different needs.

[0087] It should be noted that the shape of the guide hole 223 can be circular, square or other shapes that can meet the movement of the heating portion 11, and the guide hole 223 cannot extend out of the inner container 22.

[0088] Reference Figure 1 And Figure 2 The utility model also provides a steam oven 2, including box 21 and inner container 22, inner container 22 sets up in the inside of box 21, its characterized in that, steam oven 2 also includes above-mentioned movable heating device 1, a plurality of movable heating device 1 can set up in the different position of steam oven 2 and use simultaneously, and the heating portion 11 is located in the inner container 22.

[0089] In the embodiment, a plurality of movable heating devices 1 can be arranged at different positions of the steam oven 2 and used simultaneously, and the above arrangement can improve the working efficiency of the steam oven 2; in addition, the heating portion 11 is located in the inner container 22, which is conducive to shortening the distance between the heating portion 11 and the heated objects and improving the utilization rate of the heating energy of the heating portion 11.

[0090] It should be noted that the movement of the heating portion 11 can completely cover the heated objects.

[0091] refer to Figure 1 It is understood that a heat dissipation channel is formed between the top wall 224 of the inner liner 22 and the top plate of the box 21. The drive unit 12 and the screw 131 are located in the heat dissipation channel. The first end of the rod assembly 132 is located in the heat dissipation channel, and the second end of the rod assembly 132 passes through the top wall 224 of the inner liner 22 and is located inside the inner liner 22.

[0092] In this embodiment, the heat dissipation channel facilitates the rapid dissipation of heat from the steam oven 2 when heating is stopped, avoiding a poor user experience. Furthermore, the drive unit 12 and screw 131 are located in the heat dissipation channel, the first end of the rod assembly 132 is located in the heat dissipation channel, and the second end of the rod assembly 132 passes through the top wall 224 of the inner liner 22 and is located inside the inner liner 22. This arrangement makes the movable heating device 1 more compact in the steam oven 2, reducing the space occupied, and the heat generated by its heating unit 11 is more concentrated, thereby improving the working efficiency of the steam oven 2.

[0093] refer to Figures 4 to 5 It is understood that the movable heating device 1 also includes a guide member 222, which has a guide hole 223 extending along the moving direction of the heating part 11; wherein, the second end of the rod assembly 132 passes through the guide hole 223 and is inserted into the guide member 222, and the guide member 222 is located between the first end of the rod assembly 132 and the heating part 11; a through hole 221 is provided on the top wall 224 of the inner liner 22, and the second end of the rod assembly 132 passes through the through hole 221 and is located inside the inner liner 22; wherein, the through hole 221 serves as the guide hole 223.

[0094] In this embodiment, the through hole 221 facilitates the insertion of the movable heating device 1 into the inner liner 22 and allows the connecting part 13212 to move flexibly in a straight line. At the same time, the through hole 221 on the inner liner 22 directly serves as a guide hole 223, which helps to simplify the structure of the steam oven 2.

[0095] It should be noted that the guide hole 223 can be either built into the movable heating device 1 or provided on the object to which the movable heating device 1 is to be installed (such as the inner liner 22 in this embodiment). That is to say, in other alternative embodiments, both the through hole 221 and the guide hole 223 can exist simultaneously. In this case, the guide member 222 is connected to the inner liner 22, and the second end of the rod assembly 132 passes through both the guide hole 223 and the through hole 221.

[0096] refer to Figures 1 to 6It should be understood that the steaming oven 2 further comprises a sealing member 225 made of high-temperature-resistant material, which is filled between the outer wall surface of the second end of the rod assembly 132 and the wall surface of the through hole 221. In the embodiment, the sealing member 225 has a good sealing effect on the inner container 22, preventing heat loss in the inner container 22.

[0097] Alternatively or additionally, the steaming oven 2 comprises two movable heating devices 1 arranged oppositely, and the through hole 221 serves as a guide hole 223 for the two movable heating devices 1.

[0098] In this way, the two movable heating devices share the through hole 221, and it is not necessary to open two sets of through holes 221 on the inner container 22 for the movable heating devices 1 to move, which is conducive to simplifying the structure of the steaming oven 2 and does not affect the normal use of the steaming oven 2. In addition, the above arrangement can reduce the moving distance of each movable heating device 1, and in addition, it increases the fault tolerance, and when one of the movable heating devices 1 is damaged, the other movable heating device 1 can still make the steaming oven 2 work normally.

[0099] It should be noted that the sealing member 225 can be a rubber strip, and after the connecting part 13212 extends into the inner container 22 through the guide hole 223, the rubber strip can wrap the connecting part 13212 due to its elasticity, so as to seal the guide hole 223 and improve the sealing performance. In addition, it should be noted that other wall surfaces of the inner container 22 can also have the structure of the upper wall surface. In addition, as shown in Figure 6 the sealing member 225 is wrapped outside the guide hole 223 in the embodiment, and in other arrangement modes, the sealing member 225 can also be arranged on the top wall 224 of the inner container 22.

[0100] In conclusion, the movable heating device 1 provided by the embodiment can adjust the heating time and degree of different positions in the steaming oven 2, so as to keep the temperature field in the steaming oven 2 uniform, and can also adjust the heating time and degree of different positions of the heated object, so as to avoid the phenomenon that the left and right sides of the object are different in color and taste. In addition, the sealing element 225 has a good sealing effect on the inner container 22, so as to prevent the heat in the inner container 22 from being lost. Moreover, the two movable heating devices share the through hole 221, so that two sets of through holes 221 for the movable heating device 1 to move are not needed on the inner container 22, which is beneficial to simplify the structure of the steaming oven 2 and will not affect the normal use of the steaming oven 2. In addition, the above arrangement can reduce the moving distance of each movable heating device 1, and in addition, the fault tolerance is increased, and when one of the movable heating devices 1 is damaged, the other movable heating device 1 can still make the steaming oven 2 work normally.

[0101] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship of the device or element in the normal use, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element must have a specific orientation at any time, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application in this respect.

[0102] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, but these changes and modifications all fall within the protection scope of the present application.

Claims

1. A steam oven comprising a cabinet and an inner container, the inner container being disposed inside the cabinet, the steam oven further comprising a movable heating device, the movable heating device comprising a heating portion for heating an article inside the steam oven, characterized in that, The heating part is movable, and a moving speed of the heating part is adjustable; The movable heating device further comprises a driving part and a transmission part, the transmission part is transmissionally connected between the driving part and the heating part, and the transmission part is used for converting the rotary motion of the driving part into linear motion; The driving part comprises a motor; The transmission part comprises a screw rod and a rod assembly, a first end of the rod assembly along an extending direction of the rod assembly is sleeved on the screw rod, and a second end of the rod assembly is connected to the heating part; When the motor is in a working state, the rod assembly can move relative to the screw rod; A top wall of the inner container and a top plate of the box body form a heat dissipation channel, the driving part and the screw rod are arranged in the heat dissipation channel, the first end of the rod assembly is located in the heat dissipation channel, and the second end of the rod assembly penetrates through the top wall of the inner container and is located in the interior of the inner container.

2. The steam oven according to claim 1, wherein The rod assembly comprises a first connecting rod and at least two second connecting rods arranged at intervals, a first end of each of the second connecting rods is connected to the heating part, a second end of each of the second connecting rods is connected to the first connecting rod, and an end of the first connecting rod away from the second connecting rods is connected to the screw rod.

3. The steam oven according to claim 2, wherein The first connecting rod comprises a mounting part and a connecting part connected to the mounting part, the mounting part is in the form of a sleeve ring and is sleeved on the screw rod, and the connecting part is connected to an end of the mounting part away from the screw rod and extends along the arrangement direction of the at least two second connecting rods; wherein the second ends of the at least two second connecting rods are connected to the lower surface of the connecting part.

4. The steam oven according to claim 2, wherein The heating part comprises a heating pipe and at least two fixing parts arranged at intervals at the top of the heating pipe, the first end of each of the second connecting rods is provided with a fixing member, and the fixing members on the at least two second connecting rods are connected to the at least two fixing parts one by one.

5. The combination according to any one of claims 1 to 4, wherein the microwave oven is a combination microwave oven and a combination microwave oven. The movable heating device further comprises a guide piece, the guide piece has a guide hole, and the guide hole extends along the moving direction of the heating part; The second end of the rod assembly is arranged in the guide piece through the guide hole, and the guide piece is located between the first end of the rod assembly and the heating part.

6. The steam oven of claim 1, wherein, The movable heating device further comprises a guide piece, the guide piece has a guide hole, and the guide hole extends along the moving direction of the heating part; wherein the second end of the rod assembly is arranged in the guide piece through the guide hole, and the guide piece is located between the first end of the rod assembly and the heating part; A through hole is arranged on the top wall of the inner container, the second end of the rod assembly penetrates through the through hole and is located in the interior of the inner container; The through hole serves as the guide hole.

7. The steam oven according to claim 6, wherein The steam oven further comprises a sealing piece made of high-temperature-resistant material, and the sealing piece is filled between the outer wall surface of the second end of the rod assembly and the wall surface of the through hole.

8. The steam oven according to claim 6, wherein The steam oven comprises two movable heating devices, the two movable heating devices are arranged oppositely, and the through hole serves as the guide hole of the two movable heating devices.

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