CN211609341U - Baking tray support lifting mechanism and oven using same - Google Patents
Baking tray support lifting mechanism and oven using same Download PDFInfo
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- CN211609341U CN211609341U CN201921773702.8U CN201921773702U CN211609341U CN 211609341 U CN211609341 U CN 211609341U CN 201921773702 U CN201921773702 U CN 201921773702U CN 211609341 U CN211609341 U CN 211609341U
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Abstract
The utility model relates to an overware support elevating system and oven, this overware support elevating system include left overware support, right overware support, driving motor, left transmission shaft, right transmission shaft and connect respectively and correspond left elevating system and the right elevating system of side transmission shaft, have in the left and right elevating system and correspond the screw rod that the transmission of side transmission shaft is connected, have the external screw thread section on the screw rod, the overware support that corresponds the side then is connected with this screw thread section cooperation meshing. The drive motor outputs power to the left drive shaft and the right drive shaft, each drive shaft drives the screw rod of the corresponding side lifting mechanism to rotate in the shaft sleeve through the gear pair, and as each baking tray support is connected with the thread section of the corresponding side screw rod in a thread meshing mode, the baking tray support meshed with the corresponding screw rod can do lifting movement along the external thread section of the screw rod along the rotation of the screw rod, thereby realizing the stepless lifting of the baking tray supports at the left side and the right side along the external thread section and further ensuring the stepless lifting of the baking tray supported by the baking tray supports.
Description
Technical Field
The utility model relates to an oven field especially relates to a baking tray support elevating system and use this baking tray support elevating system's oven.
Background
Currently, more and more users begin to cook various foods using an oven. In order to roast different types of foods with different shapes and sizes by using the oven, the position height of the baking tray in the inner container of the oven needs to be adjusted so as to ensure that different foods have better mouthfeel.
In order to adjust the height of the baking trays in the oven liner, the lifting of the baking tray support in the existing oven mainly adjusts the height of each baking tray in the oven liner through the fixed layered support. The adjusting mode of the height of the baking tray requires that a user obtains a prompt of different food placing levels, namely, the user needs to know the height of the layered bracket on which layer each food should be placed, and then manually places the baking tray on the corresponding layered bracket according to the prompt of the food placing levels. However, the baking tray height adjusting mode needs manual operation and adjustment, and once the oven starts the baking operation, the height of the baking tray in the oven inner container cannot be adjusted according to the requirement due to the high temperature in the oven inner container, so that the stepless adjustment of the height of the baking tray is more difficult to accurately realize, and the using experience effect of the user on the baking food of the oven can be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that provides a baking tray support elevating system to above-mentioned prior art. After the baking tray support lifting mechanism is installed on an oven, the baking tray support can be driven by a driving motor to accurately adjust the lifting distance, and the stepless adjustment of the height of a baking tray on the baking tray support is realized.
The second technical problem to be solved by the utility model is to further provide a baking tray support elevating system that left elevating system and right elevating system all have two screws at least. By adopting the baking tray support lifting mechanism, a certain distance can be kept between two adjacent baking tray supports in the oven, and food can be conveniently placed.
The third technical problem to be solved by the present invention is to further provide a lifting mechanism of a baking tray support, which can buffer the lifting process of the baking tray support.
The fourth technical problem to be solved by the utility model is to provide an oven that can realize the stepless lift of overware.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: overware support elevating system includes:
the left baking tray bracket is arranged on the left side in the oven inner container;
the right baking tray bracket is arranged on the right side in the oven inner container;
it is characterized by also comprising:
a drive motor;
the head end of the left transmission shaft is provided with a first left main conical tooth, and the tail end of the left transmission shaft is in transmission connection with an output shaft of a driving motor;
the left lifting mechanism is vertically arranged on the left side of the oven liner, a first left driven conical tooth meshed with the first left main conical tooth is arranged at the upper end of the left lifting mechanism, and the first left main conical tooth and the first left driven conical tooth form a gear pair;
the head end of the right transmission shaft is provided with a first right main conical tooth, and the tail end of the right transmission shaft is in transmission connection with an output shaft of a driving motor;
the upper end of the right lifting mechanism is provided with a second right slave conical tooth meshed with the first right slave conical tooth, and the first right slave conical tooth and the second right slave conical tooth form a gear pair; wherein, left elevating system and right elevating system all include:
at least one bushing;
the screw rod is sleeved in the shaft sleeve in a rotatable manner and is provided with an external thread section, the head end of the screw rod is rotationally connected with the corresponding side of the secondary conical tooth, and the screw rod is meshed and connected with the corresponding side of the baking tray support through the external thread section of the screw rod.
After adopting this overware support elevating system, driving motor starts and output power gives left transmission shaft and right transmission shaft, left transmission shaft passes through gear pair and drives left elevating system's screw rod at the axle sleeve internal rotation, simultaneously, right transmission shaft also passes through another gear pair and drives right elevating system's screw rod at the axle sleeve internal rotation, because all adopt the screw-thread engagement mode to be connected between left overware support and the left screw rod, and between right overware support and the right side screw thread, like this, along with the rotation of the screw rod that has the external screw thread section, the overware support that meshes with corresponding screw rod also can be along the external screw thread section of screw rod and do the lift removal, thereby realized the stepless lift of left and right sides overware support, ensure the stepless lift of the overware that is supported by the overware support.
In order to solve the second technical problem, the utility model provides a second baking tray support lifting mechanism on the basis of the first baking tray support lifting mechanism, which ensures that the adjacent two-stage baking tray supports in the oven keep a certain distance. Specifically, in this second baking tray support lifting mechanism, the left lifting mechanism and the right lifting mechanism each include:
at least two of said sleeves;
at least two of said screws; and the number of the first and second groups,
the double-head bearing is positioned in a space formed by connecting two adjacent shaft sleeves, a first spring is sleeved on the outer side of the upper end of the double-head bearing, and a second spring is sleeved on the outer side of the lower end of the double-head bearing; the tail end of the screw rod positioned above the double-end bearing is sleeved in the first spring, and the tail end of the screw rod positioned below the double-end bearing is sleeved in the second spring.
Through setting up at least one double bearing, and make the outside at the upper and lower both ends of double bearing all overlap and be equipped with the spring, and overlap the end of establishing a screw rod again in every spring, thereby make when the baking tray of upper level rises or descends to a take the altitude, the baking tray support breaks away from the external screw thread section of screw rod, and make the baking tray support at this moment contact with the spring that corresponds one side, just can control the distance between adjacent higher level baking tray support and the baking tray support of subordinate through the elasticity of spring this moment, reached the control to the distance between adjacent higher level baking tray and the baking tray of subordinate promptly.
In order to ensure the stability of the baking tray when the baking tray is lifted in the oven, in the second baking tray support lifting mechanism, the baking tray support lifting mechanism is provided with two left lifting mechanisms and two right lifting mechanisms; the left lifting mechanism and the right lifting mechanism are respectively and symmetrically arranged on the left side and the right side inside the inner container of the oven. That is, there are two left lifting mechanisms on the left side of the inner container, and there are two right lifting mechanisms on the right side of the inner container, and each left lifting mechanism corresponds to one right lifting mechanism, so as to ensure the stability of the baking tray support during lifting.
In addition, in order to solve the third technical problem, the utility model discloses still make the improvement to above-mentioned second kind overware support elevating system. Specifically, in this overware support elevating system after the improvement, left overware support and right overware support all include:
the buffer piece is sleeved on the outer side of the screw rod and is positioned in the shaft sleeve;
the sleeve joint body is provided with a cavity for the screw to pass through, and the inner wall of the cavity is provided with an internal thread matched with the external thread of the screw;
one end of each connecting rod is fixed on the sleeve body, the other end of each connecting rod is connected to the buffer piece, and each connecting rod is positioned on the outer side of the screw rod;
and the bearing support is connected to the sleeve connection body and used for bearing the baking tray.
In the baking tray support lifting mechanism, the buffering piece is sleeved outside the screw rod, so that the baking tray support can drive the buffering piece to lift between the screw rod and the shaft sleeve when the baking tray support rotates along with the screw rod to realize the lifting operation in the vertical direction, and the buffering effect on the movement of the baking tray support is achieved.
As the screw rod in realizing arbitrary side elevating system and correspond the transmission connected mode between the transmission shaft the utility model discloses an among the overware support elevating system, any of overware support elevating system has the fluting on the lateral wall of the central ring chamber of toper tooth, has the card with this any head end of following the toper tooth screw rod that cooperates and goes into protruding structure in the fluting. That is to say, through the screw rod with correspond from the joint mode between the conical tooth, guaranteed that the drive motor output drive power can drive the screw rod and realize rotating.
In addition, grooves which are matched with the tail ends of the corresponding screws to enter can be formed in the upper end head and the lower end head of the double-end bearing.
In order to make full use of oven inner bag space, avoid the oven structure to cause the structure complicated because of setting up left and right elevating system the utility model provides an among the baking tray support elevating system, left side elevating system with right elevating system all is located the inside of oven inner bag.
The utility model provides a technical scheme that above-mentioned fourth technical problem adopted does: an oven using any one of the baking tray support lifting mechanisms comprises:
an oven inner container;
the baking tray is positioned in the oven inner container and is supported by the left baking tray support and the right baking tray support;
the device is characterized by also comprising a controller for controlling the rotation direction and the rotation number of turns of the driving motor, wherein the controller is in communication connection with the driving motor.
In order to realize more accurately detecting and controlling baking tray lift distance, the utility model discloses an oven is still including the displacement sensor who detects baking tray lift distance, displacement sensor and controller communication connection.
As an alternative to the arrangement of the displacement sensor on the oven, in this oven the displacement sensor is arranged on the left grill pan support or on the right grill pan support.
Compared with the prior art, the utility model has the advantages of: after the oven adopts the baking tray support lifting mechanism, the driving motor is started and outputs power to the left transmission shaft and the right transmission shaft, the left transmission shaft drives the screw rod of the left lifting mechanism to rotate in the shaft sleeve through the gear pair, and simultaneously, the right transmission shaft also drives the screw rod of the right lifting mechanism to rotate in the shaft sleeve through the other gear pair.
Drawings
FIG. 1 is a schematic structural view of a lifting mechanism of a baking tray support according to an embodiment of the present invention;
FIG. 2 is a front view of the tray support lifting mechanism shown in FIG. 1;
FIG. 3 is a schematic bottom view of the lifting mechanism of the baking tray support shown in FIG. 1;
FIG. 4 is a schematic structural view of the baking tray support lifting mechanism shown in FIG. 1 with the shaft sleeve removed;
FIG. 5 is a sectional view of the lifting mechanism of the baking tray support shown in FIG. 1 along the axial direction of the left transmission shaft;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a schematic view of the left tray support and the right tray support carrying the tray;
FIG. 8 is an enlarged view of portion B of FIG. 7;
FIG. 9 is a schematic view of the left tray support;
FIG. 10 is a schematic structural view of a double-ended bearing;
FIG. 11 is a schematic structural view of a first left primary cone tooth;
fig. 12 is a schematic structural view of the screw.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, the present embodiment provides a lifting mechanism for a baking tray support to achieve stepless lifting effect for the baking tray supported by the lifting mechanism. Specifically, the baking tray support lifting mechanism of the embodiment comprises:
the left baking tray support 10a is arranged on the left side inside the oven inner container 2;
a right baking tray support 10b arranged at the right side inside the oven inner container 2;
a drive motor 11;
a left transmission shaft 12a, the head end of the left transmission shaft 12a is provided with a first left main conical tooth 121a, and the tail end of the left transmission shaft 12a is in transmission connection with the output shaft of the driving motor 11; the structure of the first left main tapered tooth 121a is shown in fig. 11, and other main tapered teeth and auxiliary tapered teeth in this embodiment also have the same structure as the first left main tapered tooth 121, and are not described again here;
a left lifting mechanism 13a vertically arranged at the left side of the oven inner container 2, wherein the upper end of the left lifting mechanism 13a is provided with a first left slave conical tooth 131a meshed with the first left master conical tooth 121a, and the first left master conical tooth 121a and the first left slave conical tooth 131a form a gear pair; through the action of the gear pair, the left transmission shaft 12a can drive the left lifting mechanism 13 to act;
a right transmission shaft 12b, the head end of the right transmission shaft 12b is provided with a first right main conical tooth 121b, and the tail end of the right transmission shaft 12b is in transmission connection with the output shaft of the driving motor 11;
a right lifting mechanism 13b vertically arranged at the right side of the oven inner container 2, the upper end of the right lifting mechanism 13b is provided with a second right slave conical tooth 131b meshed with the first right master conical tooth 121b, and the first right master conical tooth 121b and the second right slave conical tooth 131b form a gear pair; through the action of the gear pair, the right transmission shaft 12b can drive the right lifting mechanism 13b to act; wherein, left elevating system 13a and right elevating system 13b all are located oven inner container 2's inside, and left elevating system 13a and right elevating system 13b here all include:
at least one bushing 14;
at least one screw rod 15 which can be rotatably sleeved in the shaft sleeve 14, the structure of the screw rod 15 is shown in fig. 11, the screw rod 15 is provided with an external thread section 150, the head end of the screw rod 15 is rotatably connected with the auxiliary conical teeth on the corresponding side, and the screw rod 15 is in meshed connection with the baking tray bracket on the corresponding side through the external thread section 150.
Referring to fig. 7, 8 and 9, here the left tray support 10a and the right tray support 10b each comprise:
the buffer part 101 is sleeved outside the screw rod 15 and is positioned in the shaft sleeve 14; the buffer 101 here is a rubber ring;
the sleeve joint body 102 is provided with a cavity 1020 for the screw 15 to pass through, and the inner wall of the cavity 1020 is provided with an internal thread matched with the external thread of the screw 15; the cavity 1020 is matched with the external thread of the screw rod, so that the connection between the baking tray bracket and the screw rod can be realized, and a good guiding effect on the lifting direction between baking trays can be achieved;
a plurality of connecting rods 103, one end of each connecting rod 103 is fixed on the sleeve body 102, the other end of each connecting rod 103 is connected to the buffer member 101, and each connecting rod 103 is positioned outside the screw 15;
a bearing bracket 104 connected to the socket body 102 for bearing the baking tray 3; the buffer part 101 is sleeved outside the screw rod 15, so that the baking tray support can drive the buffer part to lift between the screw rod and the shaft sleeve when the baking tray support rotates along with the screw rod to realize the lifting operation in the vertical direction, and the buffer effect on the movement of the baking tray support is achieved.
As a preferable arrangement, each of the left elevating mechanism 13a and the right elevating mechanism 13b here includes:
at least two bushings 14;
at least two screws 15; and the number of the first and second groups,
at least one double-ended bearing 16, see fig. 10, which is located in a space formed by two adjacent bushings 14 connected together, wherein a first spring 171 is sleeved outside an upper end of the double-ended bearing 16, and a second spring 172 is sleeved outside a lower end of the double-ended bearing 16; the end of the screw 15 above the double-ended bearing 16 is sleeved in the first spring 171, and the end of the screw 15 below the double-ended bearing 16 is sleeved in the second spring 172.
At least one double-end bearing 16 is arranged, the outer sides of the upper end and the lower end of each double-end bearing are respectively sleeved with a spring, and the tail end of one screw rod is sleeved in each spring, so that when an upper-level baking tray (or called as an upper-level baking tray) rises or falls to a certain height, the baking tray support is separated from the outer thread section of the screw rod, the baking tray support at the moment is contacted with the spring at the corresponding side, the distance between the adjacent upper-level baking tray support (or called as an upper-level baking tray support) and the lower-level baking tray support (or called as a lower-level baking tray support) can be controlled through the elasticity of the springs, and the distance between the adjacent upper-level baking tray and the lower-level baking tray is controlled. In addition, as shown in fig. 10, the upper end and the lower end of the double-ended bearing 16 are each formed with a groove 160 into which the end of the respective screw is fitted.
It should be noted that, in order to improve the stability of the baking tray support during upgrading, as shown in fig. 1 to 3, the lifting mechanism of the baking tray support herein preferably has two left lifting mechanisms 13a and two right lifting mechanisms 13 b; the left lifting mechanism 13a and the right lifting mechanism 13b are respectively and symmetrically arranged at the left side and the right side inside the oven liner. That is, two left elevating mechanisms are provided on the left side inside the oven inner container 2, and two right elevating mechanisms are provided on the right side inside the oven inner container 2, and each left elevating mechanism corresponds to one right elevating mechanism, so that the stability of the grill pan support during the elevating can be ensured.
As a way of realizing the transmission connection between the screw rod in the lifting mechanism on either side and the corresponding transmission shaft, referring to fig. 5, 6 and 11, the side wall of the central annular cavity of any one of the conical teeth of the embodiment has a slot 18, and the head end of the screw rod 15 matched with any one of the conical teeth has a convex structure 151 clamped into the slot 18. That is to say, through the screw rod 15 with correspond from the joint mode between the conical tooth, guaranteed that the drive motor output drive power can drive the screw rod and realize rotating.
In addition, referring to fig. 1 to 3, the present embodiment also provides an oven using the above mentioned baking tray support lifting mechanism, and the oven specifically includes:
an oven inner container 2;
the baking tray 3 is positioned in the oven inner container 2, and the baking tray 3 is supported by a left baking tray support 10a and a right baking tray support 10 b;
and a controller (not shown) for controlling the rotation direction and the rotation number of the driving motor 11, wherein the controller is connected with the driving motor 11 in a communication way.
In order to detect and control the lifting distance of the baking tray more accurately, the oven can further comprise a displacement sensor (not shown in the figure) for detecting the lifting distance of the baking tray 3, and the displacement sensor is in communication connection with the controller. The displacement sensor can be arranged on the left bakeware bracket 10a or the right bakeware bracket 10b according to requirements.
The operation of the oven adopting the lifting structure of the baking tray support in the embodiment is described as follows:
after a driving motor of the oven is started, the driving motor 11 outputs power to a left transmission shaft 12a and a right transmission shaft 12b, the left transmission shaft 12a drives a screw 15 of a left lifting mechanism 13a to rotate in a shaft sleeve 14 through a gear pair, and simultaneously, the right transmission shaft 12b also drives the screw 15 of a right lifting mechanism 13b to rotate in the shaft sleeve 14 through another gear pair, and as the left baking tray support 10a and the left screw and the right baking tray support 10b and the right screw are connected in a thread meshing manner, the baking tray supports meshed with the corresponding screws can also move up and down along the outer thread sections of the screws along with the rotation of the screw 15 with the outer thread sections, thereby realizing the stepless lifting of the baking tray supports on the left side and the right side and further ensuring the stepless lifting of the baking tray supported by the baking tray supports;
the controller obtains the lifting distance of the baking tray layer detected by the displacement sensor, and once the lifting distance of the baking tray layer does not reach the preset distance (namely the preset height) set by the controller, the controller outputs the driving force to the left lifting mechanism and the right lifting mechanism again by adjusting the rotation direction of the driving motor, so that the baking tray moves to the preset distance, namely the baking tray is adjusted to the preset height in the inner container of the oven.
Claims (10)
1. Overware support elevating system includes:
the left baking tray support (10a) is arranged on the left side inside the oven inner container;
a right baking tray bracket (10b) arranged on the right side inside the oven inner container;
it is characterized by also comprising:
a drive motor (11);
the head end of the left transmission shaft (12a) is provided with a first left main conical tooth (121a), and the tail end of the left transmission shaft (12a) is in transmission connection with an output shaft of the driving motor (11);
at least one left lifting mechanism (13a) vertically arranged at the left side of the oven liner, wherein the upper end of the left lifting mechanism (13a) is provided with a first left slave conical tooth (131a) meshed with the first left master conical tooth (121a), and the first left master conical tooth (121a) and the first left slave conical tooth (131a) form a gear pair;
the head end of the right transmission shaft (12b) is provided with a first right main conical tooth (121b), and the tail end of the right transmission shaft (12b) is in transmission connection with an output shaft of the driving motor (11);
at least one right lifting mechanism (13b) which is vertically arranged on the right side of the oven liner, the upper end of the right lifting mechanism (13b) is provided with a second right slave conical tooth (131b) meshed with the first right master conical tooth (121b), and the first right master conical tooth (121b) and the second right slave conical tooth (131b) form a gear pair; wherein the left lifting mechanism (13a) and the right lifting mechanism (13b) both comprise:
at least one bushing (14);
the screw (15) is rotatably sleeved in the shaft sleeve (14), the screw (15) is provided with an external thread section (150), the head end of the screw (15) is rotatably connected with the corresponding side of the secondary conical tooth, and the screw (15) is meshed and connected with the corresponding side of the baking tray support through the external thread section (150).
2. The tray support lifting mechanism according to claim 1, wherein the left lifting mechanism (13a) and the right lifting mechanism (13b) each comprise:
at least two said bushings (14);
at least two of said screws (15); and the number of the first and second groups,
at least one double-end bearing (16) which is positioned in a space formed by connecting two adjacent shaft sleeves (14), wherein a first spring (171) is sleeved outside the upper end of the double-end bearing (16), and a second spring (172) is sleeved outside the lower end of the double-end bearing (16); wherein, the end of the screw rod (15) positioned above the double-end bearing (16) is sleeved in the first spring (171), and the end of the screw rod (15) positioned below the double-end bearing (16) is sleeved in the second spring (172).
3. The tray support lifting mechanism according to claim 2, characterized in that it has two left lifting mechanisms (13a) and two right lifting mechanisms (13 b); the left lifting mechanism (13a) and the right lifting mechanism (13b) are respectively and symmetrically arranged on the left side and the right side inside the oven liner.
4. The tray support lifting mechanism according to claim 3, wherein the left tray support (10a) and the right tray support (10b) each comprise:
the buffer piece (101) is sleeved on the outer side of the screw rod (15) and is positioned in the shaft sleeve (14);
the sleeve joint body (102) is provided with a cavity (1020) for a screw (15) to pass through, and the inner wall of the cavity (1020) is provided with an internal thread matched with the external thread of the screw (15);
one end of each connecting rod (103) is fixed on the sleeve body (102), the other end of each connecting rod (103) is connected to the buffer piece (101), and each connecting rod (103) is located on the outer side of the screw (15);
and the bearing bracket (104) is connected to the socket body (102) and is used for bearing the baking tray.
5. The baking tray support lifting mechanism of claim 4, wherein the side wall of the central ring cavity of any one of the conical teeth of the baking tray support lifting mechanism is provided with a slot (18), and the head end of the screw (15) matched with any one of the conical teeth is provided with a convex structure (151) clamped into the slot (18).
6. The tray support lifting mechanism according to claim 2, wherein the upper end and the lower end of the double-end bearing (16) are formed with grooves (160) for the ends of the corresponding screws (15) to enter.
7. The baking tray support lifting mechanism according to any one of claims 1 to 6, wherein the left lifting mechanism (13a) and the right lifting mechanism (13b) are both located inside the oven inner container.
8. An oven using the baking tray support lifting mechanism of any one of claims 1 to 7, comprising:
an oven inner container (2);
the baking tray (3) is positioned in the oven inner container (2), and the baking tray (3) is supported by the left baking tray support (10a) and the right baking tray support (10 b);
the device is characterized by also comprising a controller for controlling the rotation direction and the rotation number of the driving motor (11), wherein the controller is in communication connection with the driving motor (11).
9. The oven according to claim 8, characterized in that a displacement sensor for detecting the lifting distance of the baking tray (3) is included, and the displacement sensor is in communication connection with the controller.
10. The oven according to claim 9, characterized in that the displacement sensor is arranged on the left tray support (10a) or on the right tray support (10 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773702.8U CN211609341U (en) | 2019-10-22 | 2019-10-22 | Baking tray support lifting mechanism and oven using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773702.8U CN211609341U (en) | 2019-10-22 | 2019-10-22 | Baking tray support lifting mechanism and oven using same |
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| CN211609341U true CN211609341U (en) | 2020-10-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475949A (en) * | 2021-07-30 | 2021-10-08 | 广东美的厨房电器制造有限公司 | Control method and device of cooking equipment, cooking equipment and storage medium |
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2019
- 2019-10-22 CN CN201921773702.8U patent/CN211609341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475949A (en) * | 2021-07-30 | 2021-10-08 | 广东美的厨房电器制造有限公司 | Control method and device of cooking equipment, cooking equipment and storage medium |
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