Heating device and cooking equipment
By installing a heating device on the top wall of the inner pot of the cooking appliance, which combines a rotating heat-conducting component with a heating element, the problems of low heating efficiency and difficult cleaning are solved, achieving uniform heating and convenient cleaning, thus improving the user experience.
Patent Information
- Application Number
- CN202520101425.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-15
AI Technical Summary
In existing cooking equipment, the heating element is located on the outside of the inner pot, resulting in poor heat conduction, low heating efficiency, uneven heat distribution, and difficulty in cleaning, which affects the user experience and increases costs.
Design a heating device in which a heat-conducting element is disposed on the top wall of the inner liner, is rotatable and cooperates with the heating element to form uniform heating, and rotates to block grease during cleaning, and is equipped with a drive component to automatically flip the heat-conducting element for easy cleaning.
It improves the uniformity of heat distribution within the inner liner, makes cleaning easier, reduces costs, and enhances the user experience.
Smart Images

Figure CN223715559U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of cooking utensils, in particular to a heating device and cooking equipment. BACKGROUND
[0002] The cooking equipment such as steaming oven, when baking food, there may be oil splashing to the top wall of the inner container, since the top wall of the inner container is also provided with heating pipe and other structures, it will cause the user to be difficult to clean the top wall of the inner container.
[0003] In the related prior art, part of the cooking equipment shifts the heating pipe to the outside of the inner container. However, since the inner container is generally made of stainless steel material, the heat conduction performance is poor, therefore, the heating pipe is arranged on the outside of the inner container, which will cause the heating efficiency to be reduced, the temperature rise is slow, and the heat at the top of the inner container is uneven, the cooking effect is poor, and the user experience is affected. And, the heating pipe arranged on the outside of the inner container also needs to additionally increase the heat preservation, insulation device and the like, which causes the cost to increase. SUMMARY
[0004] Therefore, it is necessary to provide a heating device and cooking equipment in view of the above problems, so as to facilitate the user to clean while ensuring the heating effect.
[0005] The utility model provides a heating device for setting in the inner container, comprising: a heat conducting part for setting on the top wall of the inner container and surrounding the top wall of the inner container to form an installation space, the heat conducting part can rotate relative to the top wall of the inner container around a preset axis; and a heating part arranged in the installation space.
[0006] In the above-mentioned heating device, the heat generated by the heating part in the working process can be quickly conducted to the heat conducting part, and then conducted to the inner container through the heat conducting part, so as to heat the food in the inner container. The cooperation of the heating part and the heat conducting part can form a uniform heating surface, so as to improve the uniformity of the heat in the inner container, ensure the heating efficiency, and improve the cooking effect. In addition, the heat conducting part can block the oil splashing towards the top wall of the inner container and the heating part during cooking. When it is necessary to clean the surface of the side of the heat conducting part away from the heating part, the heat conducting part can be controlled to rotate downward relative to the top wall of the inner container around the preset axis, so that the side of the heat conducting part is inclined downward at a certain angle, so as to facilitate the user to observe and clean the oil stains on the heat conducting part. After cleaning, the heat conducting part is controlled to rotate reversely relative to the top wall of the inner container around the preset axis again to reset.
[0007] In one of the embodiments, the heat conducting part comprises a bottom plate and a side plate extending from the bottom plate towards the top wall of the inner container.
[0008] In this way, the heat conducting part can block the oil splashing towards the top wall of the inner container and the heating part in all directions, so as to improve the blocking effect and facilitate the user to clean.
[0009] In one of the embodiments, the heat-conducting member is provided with a flow guide hole communicating between the installation space and the inner container.
[0010] In this way, the hot air can flow into the installation space through the flow guide hole and fully contact the heating member and the heat-conducting member, so that the heat generated by the heating member during operation can be more uniformly and rapidly conducted to the heat-conducting member; the hot air entering the installation space can also carry away excess heat on the heating member and flow back into the inner container through the flow guide hole, realizing heat circulation.
[0011] In one of the embodiments, the flow guide hole includes a first flow guide hole arranged on one side of the bottom plate close to the rear wall of the inner container; the heat-conducting member further includes a flow guide plate, which is inclinedly extended from the edge of the first flow guide hole close to the rear wall of the inner container towards the installation space.
[0012] In this way, the first flow guide hole is closer to the hot air assembly arranged on the rear wall of the inner container, and the flow guide plate can also guide the hot air, improving the flow rate of the hot air flowing into the installation space.
[0013] In one of the embodiments, the flow guide hole includes a second flow guide hole arranged on the side plate, and the number of the second flow guide holes is multiple, which are arranged at intervals along the circumference of the heat-conducting member.
[0014] In this way, arranging the second flow guide hole on the side plate can avoid too many holes on the bottom plate, which can cause the oil to splash onto the top wall of the inner container and the heating member through the holes on the bottom plate.
[0015] In one of the embodiments, the preset axis is located on one side of the heat-conducting member close to the opening of the inner container, and the preset axis is parallel to the plane where the opening of the inner container is located.
[0016] In this way, after the heat-conducting member is turned over, the user can more clearly observe the oil stains on the surface of the side of the heat-conducting member away from the heating member, and can more conveniently clean the heat-conducting member.
[0017] In one of the embodiments, the heating device further includes a driving assembly arranged on the inner container and / or the heat-conducting member and used for driving the heat-conducting member to rotate relative to the top wall of the inner container around the preset axis.
[0018] In this way, the user does not need to manually turn over the heat-conducting member, avoiding the user being scalded by the high temperature of the heat-conducting member.
[0019] In one embodiment, the driving assembly includes a driving member, an output member, and a connecting member. The driving member is disposed on the top wall of the inner liner and located on the side of the preset axis near the rear wall of the inner liner. The driving member is connected to the output member and can drive the output member to extend / retract toward the heat-conducting member. The connecting member is disposed on the side of the heat-conducting member facing the heating member, and the connecting member is rotatably connected to the end of the output member away from the driving member.
[0020] With this setup, the drive component has a simple structure and will not take up too much space inside the liner.
[0021] In one embodiment, the heat-conducting element is made of aluminum; and / or, the side of the heat-conducting element opposite to the heating element is provided with a cleaning coating.
[0022] This design leverages the excellent thermal conductivity of aluminum, thereby improving the efficiency of the heat conductor in transferring heat from the heating element to the inner liner. The cleaning coating makes it easier for users to remove oil stains from the heat conductor and also protects it.
[0023] This utility model also provides a cooking device, including: an inner pot; and a heating device as described above, the heating device being disposed on the top wall of the inner pot. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0025] Figure 1 This is a three-dimensional structural diagram of a cooking device according to one embodiment of the present invention.
[0026] Figure 2 Provided by this utility model Figure 1 A cross-sectional view of the cooking equipment;
[0027] Figure 3 Provided by this utility model Figure 2 A schematic diagram of the structure in which the central heat-conducting component rotates relative to the inner liner;
[0028] Figure 4 Provided by this utility model Figure 3 Enlarged structural diagram at point A;
[0029] Figure 5 Provided by this utility model Figure 1 A three-dimensional structural diagram of the heat-conducting component.
[0030] 1, heat conducting member; 11, bottom plate; 111, first flow guide hole; 12, side plate; 121, second flow guide hole; 13, flow guide plate; 2, mounting space; 3, heating member; 4, driving assembly; 41, driving member; 42, output member; 43, connecting member; 5, rotating assembly; 51, first rotating member; 52, second rotating member; 6, inner container; 61, top wall; 62, back wall; 63, opening; 64, side wall; 7, hot air assembly. DETAILED DESCRIPTION
[0031] In order to make the above objectives, features and advantages of the present application more clear and easily understood, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways from those described herein without departing from the scope of the present application. It is therefore intended that the present application not be limited to the embodiments disclosed for purposes of disclosure.
[0032] It should be noted that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element, or intervening elements can also be present. In addition, when an element is referred to as being "connected" to another element, it can be directly connected to the other element, or intervening elements can also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions as used in the description of the present application are intended to be illustrative only and are not intended to be limiting.
[0033] In addition, the terms "first", "second", and the like, are used merely to describe the elements and do not imply or imply a relative importance or a specific number of the technical features indicated. Thus, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.
[0034] In the present application, unless otherwise explicitly specified and limited, the "on", "under", "above" and "over" of the first feature to the second feature can be that the first feature is in direct contact with the second feature, or the first feature is indirectly in contact with the second feature through an intermediate medium. Moreover, the "on", "above" and "over" of the first feature to the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The "under", "below" and "under" of the first feature to the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.
[0035] Unless otherwise defined, all technical and scientific terms used in the application's specification are intended to have the same meaning as commonly understood by one of ordinary skill in the art to which the application pertains. The terminology used in the application's specification is for describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes any and all combinations of one or more of the associated listed items.
[0036] When cooking food, cooking equipment such as a steam oven may have oil splashing to the top wall of the inner container. Since the top wall of the inner container is also provided with a heating pipe and other structures, it is difficult for the user to clean the top wall of the inner container. In the related prior art, some cooking equipment moves the heating pipe to the outside of the inner container. However, since the inner container is generally made of stainless steel material with poor heat conduction performance, the heating efficiency will be reduced if the heating pipe is arranged on the outside of the inner container, the temperature rise is slow, the heat at the top of the inner container is uneven, the cooking effect is poor, and the user experience is affected. In addition, arranging the heating pipe on the outside of the inner container also requires additional insulation, insulation devices and the like, resulting in increased cost.
[0037] To solve the above problems, as shown in Figures 1 to 5 The utility model provides a kind of heating device and cooking equipment to facilitate user cleaning while guaranteeing heating effect.
[0038] As shown in Figures 1 to 3 Specifically, the heating device is arranged in the inner container 6, including a heat-conducting member 1 and a heating member 3, wherein: the heat-conducting member 1 is arranged on the top wall 61 of the inner container 6 and forms an installation space 2 with the top wall 61 of the inner container 6, and the heat-conducting member 1 can rotate relative to the top wall 61 of the inner container 6 about a predetermined axis; the heating member 3 is arranged in the installation space 2.
[0039] In the heating device provided by the embodiment of the utility model, the heat generated by the heating member 3 during operation can be quickly conducted to the heat-conducting member 1 and then to the inner container 6, so as to heat the food in the inner container 6. The cooperation of the heating member 3 and the heat-conducting member 1 can form uniform surface heating, thereby improving the uniformity of heat in the inner container 6, ensuring the heating efficiency, and improving the cooking effect. In addition, during cooking, the heat-conducting member 1 can block the oil splashing towards the top wall 61 of the inner container 6 and the heating member 3. When it is necessary to clean the surface of the side of the heat-conducting member 1 away from the heating member 3, the heat-conducting member 1 can be controlled to rotate downward relative to the top wall 61 of the inner container 6 about the predetermined axis, so that the side of the heat-conducting member 1 is inclined downward at a certain angle, thereby facilitating the user to observe and clean the oil stains on the heat-conducting member 1. After cleaning, the heat-conducting member 1 is controlled to rotate in the opposite direction relative to the top wall 61 of the inner container 6 about the predetermined axis to reset.
[0040] The heat conduction member 1 can be made of aluminum. Aluminum has good heat conduction performance, so that the efficiency of the heat conduction member 1 to conduct the heat of the heating member 3 into the inner container 6 can be improved, and the overall heat uniformity of the heat conduction member 1 can be improved, and the cooking effect can be improved. The heating member 3 can be a heating tube, a heating disc or other heating structures.
[0041] Further, the side of the heat conduction member 1 away from the heating member 3 is provided with a cleaning coating, such as a photo-oxidation coating, a nano coating or the like. The cleaning coating enables the user to more easily remove oil stains on the heat conduction member 1, and also protects the heat conduction member 1, so that the heat conduction member 1 is more wear-resistant and corrosion-resistant, thereby prolonging the service life of the heat conduction member 1.
[0042] As shown in Figures 3 to 4 In an embodiment, the heat conduction member 1 includes a bottom plate 11 and a side plate 12 extending from the bottom plate 11 towards the top wall 61 of the inner container 6. The bottom plate 11 is shielded on the side of the heating member 3 away from the top wall of the inner container 6, and in the working state, the bottom plate 11 is parallel to the top wall of the inner container 6, avoiding occupying too much space in the inner container 6. The side plate 12 is shielded on the outer periphery of the heating member 3, so that the heat conduction member 1 can shield the oil splashed towards the top wall 61 of the inner container 6 and the heating member 3 in all directions, improve the shielding effect, and facilitate the user to clean. Of course, in other embodiments, the heat conduction member 1 can only include the bottom plate 11, or the heat conduction member 1 can be arc-shaped or other shapes, as long as it can shield the oil splashed towards the top wall 61 of the inner container 6 and the heating member 3, and the embodiments of the present application are not limited specifically herein.
[0043] As shown in Figures 3 to 4 The rear wall 62 of the inner container 6 is usually provided with a hot air assembly 7, and the heat conduction member 1 is provided with a flow guide hole communicating the installation space 2 and the inner container 6. The hot air blown by the hot air assembly 7 towards the inner container 6 can flow into the installation space 2 through the flow guide hole, and fully contact the heating member 3 and the heat conduction member 1, so that the heat generated by the heating member 3 during the working process can be more uniformly and rapidly conducted to the heat conduction member 1. At the same time, the hot air entering the installation space 2 can also take away the excess heat on the heating member 3, and flow back into the inner container 6 through the flow guide hole, so that heat circulation can be achieved, the heating efficiency can be improved, and the cooking effect can be improved.
[0044] As shown in Figures 3 to 4As shown, the flow guide holes include first flow guide holes 111 arranged on one side of the bottom plate 11 close to the rear wall 62 of the inner container 6. The heat conduction piece 1 further includes a flow guide plate 13 which extends obliquely from the edge of the first flow guide holes 111 close to the rear wall 62 of the inner container 6 towards the installation space 2. The first flow guide holes 111 are closer to the hot air assembly 7 arranged on the rear wall 62 of the inner container 6, so that the hot air blown by the hot air assembly 7 towards the inner container 6 can flow into the installation space 2 through the first flow guide holes 111, and the flow guide plate 13 can also guide the hot air to improve the flow rate of the hot air flowing into the installation space 2. It should be noted that the one side of the bottom plate 11 close to the rear wall 62 of the inner container 6 refers to one half of the region of the bottom plate 11 close to the rear wall 62 of the inner container 6, and the closer the first flow guide holes 111 are to the rear wall 62 of the inner container 6, the better the flow guide effect of the hot air blown by the hot air assembly 7 towards the inner container 6. The number of the first flow guide holes 111 can be one, two or more, and the multiple first flow guide holes 111 are arranged at intervals to further improve the rate of the hot air flowing into the installation space 2.
[0045] As shown in Figure 4 The flow guide holes further include second flow guide holes 121 arranged on the side plate 12, and the number of the second flow guide holes 121 is multiple. The multiple second flow guide holes 121 are arranged at intervals along the circumference of the heat conduction piece 1. The hot air blown by the hot air assembly 7 towards the inner container 6 can also flow into the installation space 2 through part of the second flow guide holes 121, and the hot air in the installation space 2 can also flow back into the inner container 6 through the second flow guide holes 121 to realize hot air circulation. Furthermore, arranging the second flow guide holes 121 on the side plate 12 can also avoid too many holes on the bottom plate 11 to cause grease to splash onto the top wall 61 of the inner container 6 and the heating piece 3 through the holes on the bottom plate 11.
[0046] As shown in Figure 1As shown, in an embodiment, the preset axis is located at the side of the heat-conducting element 1 close to the opening 63 of the inner container 6, and the preset axis is parallel to the plane where the opening 63 of the inner container 6 is located. When it is needed to clean the side surface of the heat-conducting element 1 away from the heating element 3, the heat-conducting element 1 is controlled to rotate downward around the preset axis relative to the top wall 61 of the inner container 6, so that the side of the heat-conducting element 1 away from the opening 63 of the inner container 6 is inclined at a certain angle downward, and the user can more clearly observe the oil stains on the side surface of the heat-conducting element 1 away from the heating element 3, and can more conveniently clean the heat-conducting element 1. It should be noted that the side of the heat-conducting element 1 close to the opening 63 of the inner container 6 refers to the half region of the heat-conducting element 1 close to the opening 63 of the inner container 6, and the closer the preset axis is to the opening 63 of the inner container 6, the less likely the side of the heat-conducting element 1 close to the opening 63 of the inner container 6 interferes with the top wall 61 of the inner container 6 during rotation, and the greater the rotation angle range of the heat-conducting element 1. Of course, in other embodiments, the preset axis can also be set to form an included angle with the plane where the opening 63 of the inner container 6 is located according to needs; or the preset axis can also be located at the side of the heat-conducting element 1 close to any one of the two side walls 64 of the inner container 6, and the preset axis is parallel to the side wall 64 of the inner container 6.
[0047] As shown in FIG. 1, The heating device further comprises a rotating assembly 5, the rotating assembly 5 comprises a first rotating member 51 and a second rotating member 52 rotatably connected around a preset axis, one of the first rotating member 51 and the second rotating member 52 is arranged on the top wall 61 of the inner container 6, and the other is arranged on the side of the heat-conducting element 1 facing the heating element 3. In this way, there can be a certain gap between the heat-conducting element 1 and the top wall 61 of the inner container 6, so as to ensure that the heat-conducting element 1 can rotate around the preset axis relative to the top wall 61 of the inner container 6, and will not interfere with the top wall 61 of the inner container 6 during rotation.
[0048] As shown in FIG. 1, In an embodiment, the heating device further comprises a driving assembly 4 arranged on the inner container 6 and the heat-conducting element 1, and used for driving the heat-conducting element 1 to rotate around the preset axis relative to the top wall 61 of the inner container 6. The driving assembly 4 can control the heat-conducting element 1 to rotate downward around the preset axis relative to the top wall 61 of the inner container 6 or to reverse rotation to reset. In this way, the user does not need to manually flip the heat-conducting element 1, so as to avoid being scalded by the heat-conducting element 1 which is at a high temperature. Of course, in other embodiments, the heating device can also not be provided with the driving assembly 4, and the user can manually control the heat-conducting element 1 to rotate downward around the preset axis relative to the top wall 61 of the inner container 6 or to reverse rotation to reset.
[0049] As shown in FIG. 1, As shown, in an embodiment, the driving assembly 4 can include a driving member 41, an output member 42 and a connecting member 43. The driving member 41 is arranged on the top wall 61 of the inner container 6 and located on one side of the preset axis close to the rear wall 62 of the inner container 6. The driving member 41 is connected with the output member 42 and can drive the output member 42 to extend or retract towards the heat conduction member 1. The connecting member 43 is arranged on one side of the heat conduction member 1 facing the heating member 3 and rotatably connected with the end of the output member 42 away from the driving member 41. The driving member 41 can be arranged outside the inner container 6, and the output member 42 penetrates through the top wall 61 of the inner container 6 and extends into the inner container 6, so as to prevent the temperature in the inner container 6 from being too high to affect the normal work of the driving member 41. When it is needed to clean the surface of the heat conduction member 1 away from the heating member 3, the driving member 41 is controlled to drive the output member 42 to extend towards the heat conduction member 1, so that the heat conduction member 1 rotates and flips down relative to the top wall 61 of the inner container 6 around the preset axis. After cleaning, the driving member 41 is controlled to drive the output member 42 to retract, so that the heat conduction member 1 reversely rotates and resets relative to the top wall 61 of the inner container 6 around the preset axis. The driving assembly 4 has a simple structure and does not occupy too much space in the inner container 6. Of course, in other embodiments, the driving assembly 4 can also include a motor and an output shaft. The output shaft extends along the preset axis, and the motor is arranged in the inner container 6. The heat conduction member 1 is connected with the output shaft, so as to drive the heat conduction member 1 to rotate and flip down relative to the top wall 61 of the inner container 6 around the preset axis by the motor driving the output shaft.
[0050] As As shown, the utility model embodiment further provides a kind of cooking equipment, including inner container 6 and above-mentioned heating device, heating device is arranged on the top wall 61 of inner container 6. Cooking equipment further include the hot air assembly 7 of the rear wall 62 of inner container 6, hot air assembly 7 can blow out hot air towards inner container 6, to heat the food in inner container 6. Wherein, cooking equipment can be steam oven and so on, using heating member 3 to heat the food in inner container 6.
[0051] The technical features of the above-described embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.
[0052] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.
Claims
1. A heating device for being arranged in an inner container (6), characterized in that, The heating device comprises: a heat-conducting member (1) arranged on a top wall (61) of the inner container (6) and surrounding the top wall (61) of the inner container (6) to form a mounting space (2), the heat-conducting member (1) being capable of rotating relative to the top wall (61) of the inner container (6) about a preset axis; and a heating member (3) arranged in the mounting space (2).
2. The heating device of claim 1, wherein The heat-conducting member (1) comprises a bottom plate (11) and a side plate (12) extending from the bottom plate (11) towards the top wall (61) of the inner container (6).
3. The heating device of claim 2, wherein, The heat-conducting member (1) is provided with a flow guide hole communicating the mounting space (2) and the inner container (6).
4. The heating device of claim 3, wherein, The flow guide hole comprises a first flow guide hole (111) arranged on a side of the bottom plate (11) close to a rear wall (62) of the inner container (6). The heat-conducting member (1) further comprises a flow guide plate (13) extending obliquely from an edge of the first flow guide hole (111) close to the rear wall (62) of the inner container (6) towards the mounting space (2).
5. The heating device of claim 3, wherein The flow guide hole comprises a second flow guide hole (121) arranged on the side plate (12), and a plurality of the second flow guide holes (121) are arranged in a circumferential direction of the heat-conducting member (1).
6. The heating device of claim 1, wherein, The preset axis is located on a side of the heat-conducting member (1) close to an opening (63) of the inner container (6), and the preset axis is parallel to a plane on which the opening (63) of the inner container (6) is located.
7. The heating device of claim 1, wherein, The heating device further comprises a driving assembly (4) arranged on the inner container (6) and / or the heat-conducting member (1) and used for driving the heat-conducting member (1) to rotate relative to the top wall (61) of the inner container (6) about the preset axis.
8. The heating device of claim 7, wherein, The driving assembly (4) comprises a driving member (41), an output member (42) and a connecting member (43), the driving member (41) is arranged on the top wall (61) of the inner container (6) and located on a side of the preset axis close to the rear wall (62) of the inner container (6), the driving member (41) is connected with the output member (42) and capable of driving the output member (42) to extend / retract towards the heat-conducting member (1); The connecting member (43) is arranged on a side of the heat-conducting member (1) facing the heating member (3), and the connecting member (43) is rotatably connected with an end of the output member (42) away from the driving member (41).
9. The heating device of claim 1, wherein, The heat-conducting member (1) is arranged as an aluminum member; and / or A cleaning coating is arranged on a side of the heat-conducting member (1) facing away from the heating member (3).
10. A cooking apparatus, characterized by, The heating device comprises: an inner container (6); and The heating device according to any one of claims 1-9 is arranged on a top wall (61) of the inner container (6).