Automatic door locking device and cooking appliance

By designing an automatic door lock device in cooking appliances, and utilizing a combination of drive components and locking elements, automatic and manual unlocking can be achieved, solving the problem of poor unlocking convenience in existing technologies and improving user experience and security.

CN224314758UActive Publication Date: 2026-06-02GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD
Filing Date
2025-05-22
Publication Date
2026-06-02

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Abstract

This utility model discloses an automatic door lock device and a cooking appliance. The automatic door lock device includes a locking assembly and a driving assembly. The locking assembly includes a locking member and a locking mating member, one of which is located in the housing and the other in the door body. The locking member is rotatable, and the locking mating member has a locking hole. At least a portion of the locking member can selectively extend into the locking hole to lock with the locking mating member. The driving assembly is adapted to cooperate with the locking member to drive the locking member to rotate. The locking member is configured such that when the locking mating member moves away from it, the locking member slides into contact with the inner wall of the locking hole to guide the locking member to disengage from the locking hole. By setting up the driving assembly and cooperating with the locking member, the automatic door lock device can be automatically unlocked. By further designing the locking member, the automatic door lock device can be manually unlocked, which improves the ease of unlocking the automatic door lock device.
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Description

Technical Field

[0001] This utility model relates to the field of door lock technology, and in particular to an automatic door lock device and a cooking utensil. Background Technology

[0002] Cooking appliances typically consist of a housing and a door for opening and closing the housing. When cooking, food is cooked using high-temperature steam inside the cooking appliance, which requires a relatively sealed cavity. Therefore, the door is often equipped with a lock device.

[0003] In related technologies, the unlocking method of door lock devices is limited, resulting in poor unlocking convenience. This, in turn, makes it difficult to open cooking appliances, affecting the user experience. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an automatic door lock device that can achieve both manual and automatic unlocking, thereby improving the ease of unlocking.

[0005] An automatic door lock device is applied to a cooking appliance, the cooking appliance including a housing and a door, the door for opening or closing the housing, the automatic door lock device comprising: a locking assembly including a locking member and a locking engagement member for locking engagement, one of the locking member and the locking engagement member being disposed in the housing and the other in the door, the locking member being rotatable, the locking engagement member having a locking hole, at least a portion of the locking member being selectively inserted into the locking hole to lock engagement with the locking engagement member; a drive assembly adapted to engage with the locking member to drive the locking member to rotate; the locking member being configured such that, when the locking engagement member moves in a direction away from it, the locking member slides into the inner wall of the locking hole to guide the locking member and the locking hole to disengage.

[0006] According to the embodiments of the present invention, the automatic door lock device, by setting a driving component and making the driving component cooperate with the locking member to drive the locking member to rotate, facilitates the automatic unlocking of the automatic door lock device. By further configuring the locking member to slide in contact with the inner wall of the locking hole when the locking cooperating member moves away from it, the locking member and the locking hole are disengaged, thereby realizing the manual unlocking of the automatic door lock device. Thus, the automatic door lock device can realize both automatic unlocking and manual unlocking, which is beneficial to improving the unlocking convenience of the automatic door lock device, thereby improving the unlocking convenience of the door and cabinet of cooking utensils and improving the user experience.

[0007] According to some embodiments of the present invention, the locking member is rotatably disposed on the housing to switch between a first state and a second state, the first end of the locking member is provided with a mating part, and the locking mating part is disposed on the door body; when the locking member is in the first state, the mating part is located in the locking hole; when the locking member is in the second state, the mating part is disengaged from the locking hole.

[0008] According to some embodiments of the present invention, the mating part is provided with oppositely arranged guide slopes, the guide slopes extending obliquely toward each other and toward the locking mating member, and the guide slopes are adapted to slide into contact with the inner wall of the locking hole to guide the mating part and the locking hole to disengage.

[0009] According to some embodiments of the present invention, the driving assembly includes a driving member, a reciprocating push rod, and a first elastic reset member. The driving member is connected to the push rod to drive the push rod to cooperate with the locking member, thereby pushing the locking member to switch toward the second state. The first elastic reset member cooperates with the push rod to apply a force to the push rod, causing the push rod to tend to separate from the locking member.

[0010] According to some embodiments of the present invention, the second end of the locking member is provided with a mating groove, and the pushing rod engages or disengages from the mating groove.

[0011] According to some embodiments of the present invention, when the push rod engages with the mating groove, the mating groove is used to limit the push rod in the circumferential direction.

[0012] According to some embodiments of the present invention, the automatic door lock device further includes a second elastic reset member, which is connected to the locking member so that the locking member has a tendency to switch toward the first state.

[0013] According to some embodiments of the present invention, the automatic door lock device further includes a limiting member, the limiting member and the second elastic reset member are respectively located on both sides of the locking member, and the limiting member is used to limit the rotational freedom of the locking member by cooperating with the locking member.

[0014] According to some embodiments of the present invention, the automatic door lock device further includes a base, the base being disposed on the housing, the locking member being rotatably disposed on the base, and the driving assembly being disposed on the base.

[0015] According to some embodiments of the present invention, the automatic door lock device further includes a support member, which is disposed on the base and protrudes from the base. The pivot portion of the locking member is rotatably disposed on the base via a pivot shaft, and the outer peripheral wall of the pivot portion is supported by the support member.

[0016] According to some embodiments of the present invention, the end of the support member is provided with an anti-detachment protrusion, which is located on the axial outer side of the pivot shaft.

[0017] According to some embodiments of the present invention, the automatic door lock device further includes a protection device, which selectively cooperates with the locking member and the locking engagement member to control the opening and closing of the heating element of the cooking appliance.

[0018] According to some embodiments of the present invention, the protection device includes: a first protection member, the first protection member being adapted to be triggered by a locking member in a first state; and a second protection member, the second protection member being adapted to be triggered by a locking engagement member that is locked in place with the locking member; wherein, when both the first protection member and the second protection member are triggered, the circuit where the heating member is located is in a closed circuit.

[0019] According to some embodiments of the present invention, the protective device further includes a pressing component, which is elastically supported between the second protective member and the locking engagement member, and is used to selectively trigger the second protective member.

[0020] According to some embodiments of the present invention, the automatic door lock device further includes a base, the base being disposed on the housing, and the first protective member and the second protective member being disposed on the base; the base is provided with a plurality of anti-detachment members, and the first protective member and the second protective member are each provided with the anti-detachment member, and the anti-detachment member contacts the side wall of the corresponding protective member away from the base.

[0021] According to some embodiments of the present invention, the anti-detachment component is formed as an elastic hook.

[0022] The second objective of this utility model is to provide a cooking utensil.

[0023] A cooking appliance includes: a housing having a cooking cavity formed therein; a door disposed on the housing for opening or closing the cooking cavity; and an automatic door lock device, wherein the automatic door lock device is the aforementioned automatic door lock device.

[0024] The cooking appliance described above has the same advantages as the automatic door lock device mentioned above, and will not be repeated here.

[0025] According to some embodiments of the present invention, the bottom of the door is rotatably connected to the box body to be adapted to rotate outward under the action of gravity to open the cooking cavity.

[0026] According to some embodiments of the present invention, the cooking appliance further includes a control module, which is adapted to be electrically connected to the automatic door lock device and used to control the operation of the drive component.

[0027] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0028] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0029] Figure 1 This is a schematic diagram of the automatic door lock device in the locked state according to an embodiment of the present invention. Figure 1 ;

[0030] Figure 2 This is a schematic diagram of the automatic door lock device in the locked state according to an embodiment of the present invention. Figure 2 ;

[0031] Figure 3 This is a schematic diagram of the automatic door lock device described in this embodiment of the invention during the unlocking process. Figure 1 ;

[0032] Figure 4 This is a schematic diagram of the automatic door lock device described in this embodiment of the invention during the unlocking process. Figure 2 ;

[0033] Figure 5 This is a schematic diagram of the structure of the automatic door lock device after unlocking according to an embodiment of the present invention. Figure 1 ;

[0034] Figure 6 This is a schematic diagram of the structure of the automatic door lock device after unlocking according to an embodiment of the present invention. Figure 2 .

[0035] Figure label:

[0036] Automatic door lock device 100

[0037] Locking assembly 110, locking element 111, first end 1111

[0038] Part 1112, Guide sloping surface a,

[0039] Second end 1113, mating groove 1114, pivot part 1115, pivot shaft 1116

[0040] Locking fitting 112, locking hole 1121

[0041] Push rod 121, first elastic reset element 122, mounting base 123

[0042] Second elastic reset component 130

[0043] Limiting component 140

[0044] Base 150, anti-slip component 151, guide post 152

[0045] Support component 160, anti-slip protrusion 161,

[0046] Protective device 170, first protective element 171, second protective element 172

[0047] Pressure component 173, slider 1731, third elastic reset component 1732

[0048] Limit block 180. Detailed Implementation

[0049] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0050] In the description of this utility model, it should be understood that the terms "upper," "lower," "outer," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0051] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0052] The following is for reference. Figures 1-6 This invention describes an automatic door lock device 100 according to an embodiment of the present invention.

[0053] According to an embodiment of the present invention, the automatic door lock device 100 is applied to a cooking appliance. The cooking appliance includes a housing and a door. The door is used to open or close the housing. When it is necessary to put food into or take food out of the housing, the door can be opened to facilitate putting food into or taking food out of the housing. When the cooking appliance is not needed or when food needs to be cooked, the door can be closed. This helps to ensure the cleanliness of the housing when the cooking appliance is not in use, reduces heat leakage when the cooking appliance is cooking food, ensures the cooking efficiency of the cooking appliance, and improves the safety of using the cooking appliance.

[0054] Combination Figures 1 to 6 The automatic door lock device 100 includes a locking assembly 110, which includes a locking member 111 and a locking engagement member 112 for locking engagement. One of the locking member 111 and the locking engagement member 112 is disposed in the housing and the other is disposed in the door body. The locking member 111 is rotatable, and the locking engagement member 112 is provided with a locking hole 1121. At least a portion of the locking member 111 can selectively extend into the locking hole 1121 to lock engagement with the locking engagement member 112.

[0055] For example, combined Figure 1 and Figure 2 When the door is in the closed position, at least a portion of the locking member 111 extends into the locking hole 1121 to engage with the locking mating member 112, ensuring the reliability of the door when closing the box. For example, the end of the locking member 111 can extend into the locking hole 1121 and hook into the locking mating member 112 to achieve the locking engagement between the locking member 111 and the locking mating member 112; or, the entire locking member 111 can extend into the locking hole 1121 and engage with the locking mating member 112. The specific portion of the locking member 111 extending into the locking hole 1121 can be determined according to actual production requirements and is not specifically limited here.

[0056] In some examples, the locking element 111 is located on the door body, and the locking mating element 112 is located on the housing body; in other examples, the locking element 111 is located on the housing body, and the locking mating element 112 is located on the door body. It is understood that the specific locations of the locking element 111 and the locking mating element 112 can be determined according to actual production requirements, and are not specifically limited here.

[0057] Combination Figures 1 to 6 The automatic door lock device 100 also includes a drive assembly adapted to cooperate with the locking member 111 to drive the locking member 111 to rotate.

[0058] For example, the drive component can convert electrical energy into mechanical energy. By cooperating with the locking member 111, the drive component can drive the locking member 111 to rotate, thereby enabling the automatic door lock device 100 to unlock automatically. This improves the unlocking convenience of the automatic door lock device 100 and enhances the user experience.

[0059] Furthermore, the locking member 111 is configured such that when the locking mating member 112 moves toward a direction away from it, the locking member 111 slides into contact with the inner wall of the locking hole 1121 to guide the locking member 111 and the locking hole 1121 to disengage.

[0060] For example, when the cooking appliance loses power or the drive component malfunctions, the door can be driven to move away from the cabinet. The door can also drive the locking member 111 or locking mating member 112 mounted on it to move away from the cabinet. For ease of explanation, the example is that the locking mating member 112 is mounted on the door and the locking member 111 is mounted on the cabinet. When the door drives the locking mating member 112 to move away from the locking member 111, the inner wall of the locking hole 1121 slides into contact with the mating part 1112, and the inner wall of the locking hole 1121 can guide the mating part 1112 so that the mating part 1112 disengages from the locking hole 1121. This achieves manual unlocking of the automatic door lock device 100, or in other words, manual unlocking of the door and the cabinet.

[0061] In related technologies, the unlocking method of the door lock device of cooking utensils is limited, resulting in poor unlocking convenience and affecting the user experience.

[0062] This application facilitates the automatic unlocking of the automatic door lock device 100 by setting a driving component and cooperating with the locking member 111 to drive the locking member 111 to rotate. Furthermore, by configuring the locking member 111 to slide into contact with the inner wall of the locking hole 1121 when the locking mating member 112 moves away from it, the locking member 111 and the locking hole 1121 are disengaged, thereby enabling the manual unlocking of the automatic door lock device 100. Thus, the automatic door lock device 100 can achieve both automatic and manual unlocking, which improves the unlocking convenience of the automatic door lock device 100, thereby improving the unlocking convenience of the door and cabinet of cooking utensils and enhancing the user experience.

[0063] Combination Figures 1 to 6 In some embodiments of this utility model, the locking member 111 is rotatably disposed on the box body to switch between a first state and a second state. The first end of the locking member 111 is provided with a mating part 1112, and the locking mating part 112 is disposed on the door body. When the locking member 111 is in the first state, the mating part 1112 is located in the locking hole 1121. When the locking member 111 is in the second state, the mating part 1112 is disengaged from the locking hole 1121.

[0064] For example, combined Figure 1 and Figure 2 When the door needs to close the cabinet, the locking member 111 is in the first state. At this time, the mating part 1112 is located in the locking hole 1121, and the inner wall of the locking hole 1121 is in a limiting fit with the mating part 1112, thereby realizing the locking fit between the locking mating part 112 and the locking member 111, and thus realizing the locking of the door and the cabinet, improving the reliability of the door closing the cabinet; combined with Figure 3 and Figure 4 When it is necessary for the door to open the box, the locking member 111 can be driven to rotate relative to the box, so that the locking member 111 gradually rotates from the first state to the second state. During this process, the mating part 1112 gradually disengages from the locking hole 1121; Figure 5 and Figure 6 When the locking member 111 rotates to the second state, the mating part 1112 disengages from the locking hole 1121, thereby releasing the locking state of the locking member 111 and the locking mating part 112, thus releasing the locking state between the door and the box, allowing the door to move relative to the box to open the box.

[0065] The drive assembly and the first end 1111 of the locking member 111 (i.e., the end of the locking member 111 where the mating part 1112 is provided) are spaced apart, which helps to prevent the drive assembly and the mating part 1112 from interfering with each other and facilitates the assembly of the drive assembly and the locking member 111. By setting the drive assembly, it is convenient to drive the locking member 111 to switch between the first state and the second state, which helps to improve the convenience of unlocking the automatic door lock device 100, thereby improving the convenience of unlocking the door and cabinet of the cooking appliance.

[0066] When the cooking appliance loses power or the drive component malfunctions, the door can be driven to move away from the cabinet. The door causes the locking engagement 112 to move away from the locking member 111. During this process, the inner wall of the locking hole 1121 slides into contact with the engagement part 1112, and the inner wall of the locking hole 1121 can guide the engagement part 1112 to disengage from the locking hole 1121, so that the locking member 111 can switch from the first state to the second state. This realizes the manual unlocking of the automatic door lock device 100, or the manual unlocking of the door and the cabinet.

[0067] Combination Figures 1 to 4 In some embodiments of this utility model, the mating part 1112 is provided with oppositely arranged guide slopes a, the guide slopes a extending obliquely toward each other and toward the locking mating part 112, and the guide slopes a are adapted to slide into contact with the inner wall of the locking hole 1121 to guide the mating part 1112 and the locking hole 1121 to disengage.

[0068] For example, the mating part 1112 is provided with inclined guide slopes a on both sides of the moving direction of the locking mating member 112. When the locking member 111 is in the first state and extends from the mating part 1112 to the locking mating member 112, the distance between the two guide slopes a gradually decreases. When the locking state of the automatic door lock device 100 is manually released, the door body is manually driven to move away from the box body. The door body drives the locking mating member 112 to move. During the movement of the locking mating member 112, one of the two guide slopes a that is relatively far away from the door body slides into contact with the inner wall of the locking hole 1121 and moves away from the locking hole 1121. That is, the locking member 111 can be switched from the first state to the second state by the cooperation of the guide slope a with the inner wall of the locking hole 1121, so as to realize the manual unlocking of the automatic unlocking device.

[0069] In some embodiments, one of the two guide ramps a, which is closer to the door body, is used to slide with the locking engagement member 112 toward the end of the locking member 111. For example, in combination with... Figure 6 , Figure 4 and Figure 2After the automatic door lock device 100 is unlocked, which can also be understood as the door opening the box, the locking member 111 can switch from the second state to the first state. When it is necessary for the door to close the box again, the door can be manually driven to move closer to the box. The door drives the locking engagement member 112 to move closer to the locking member 111. When the end of the locking engagement member 112 facing the locking member 111 contacts the engagement part 1112, the locking engagement member 112 can drive the locking member 111 to move from the first state to the second state through the guide slope a that is closer to the door. At the same time, the locking engagement member 112 continues to move towards the box. When the locking engagement member 112 moves to the locking hole 1121 and is opposite to the engagement part 1112, the engagement part 1112 moves into the locking hole 1121 to realize the locking member 111 and the locking engagement member 112 locking again.

[0070] Therefore, by providing guide slopes a on both sides of the mating part 1112 in the moving direction of the locking mating member 112, it is convenient to realize the manual unlocking of the automatic door lock device 100, and at the same time, it is convenient to re-lock the locking member 111 and the locking mating member 112, preventing the locking member 111 from interfering with the locking mating member 112 during the process of the locking member 112 moving towards the locking member 111, which helps to ensure the smoothness of the locking mating between the locking member 111 and the locking mating member 112.

[0071] Combination Figure 3 and Figure 4 In some embodiments of this utility model, the driving component includes a driving member (not shown), a reciprocating push rod 121 and a first elastic reset member 122. The driving member is connected to the push rod 121 to drive the push rod 121 to cooperate with the locking member 111 and to push the locking member 111 to switch toward the second state.

[0072] For example, the drive member can be configured as an electric drive device to enable automatic unlocking of the automatic door lock device 100. The drive member can be connected to the push rod drive to drive the push rod to move toward the locking member 111, thereby realizing the cooperation between the push rod and the locking member 111. For example, the push rod can press against the second end 1113 of the locking member 111 to make the locking member 111 rotate, thereby realizing the switching of the locking member 111 from the first state to the second state.

[0073] Optionally, the drive unit can be configured as a motor or other electric drive device. The specific configuration of the drive unit can be determined according to actual production requirements, and no specific limitation is made here.

[0074] Furthermore, the first elastic reset member 122 cooperates with the push rod 121 to apply a force to the push rod 121, causing the push rod 121 to tend to separate from the locking member 111.

[0075] For example, the first elastic reset member 122 can be connected to one end of the push rod 121. When the drive member drives the push rod 121 to move toward the locking member 111, the first elastic reset member 122 deforms. When the drive member cancels the driving force on the push rod 121, the push rod 121 can move away from the locking member 111 under the force applied by the first elastic reset member 122. That is, the push rod 121 and the locking member 111 can be separated. It can also be understood that the push rod 121 can be reset, thereby facilitating the switching of the locking member 111 from the second state to the first state. It can also be understood that it facilitates the reset of the locking member 111.

[0076] In related technologies, door lock devices typically use multi-stage gears for transmission, which leads to a complex structure, increases production costs, and affects the ease of production and assembly. In addition, the multi-stage transmission method results in a long transmission stroke for the door lock device, which in turn leads to a longer time required for the door lock device to unlock, resulting in a slow opening speed for cooking utensils.

[0077] The present application achieves the reciprocating movement of the push rod 121 by setting a driving component and a first elastic reset component 122, without the need for multi-stage transmission gears, which effectively simplifies the structure of the driving component and thus helps to reduce the production cost of the automatic door lock device 100. At the same time, the short transmission stroke of the driving component driving the locking component 111 helps to shorten the time required for the automatic door lock device 100 to unlock, thereby helping to improve the opening speed of cooking appliances.

[0078] Combination Figure 2 , Figure 4 and Figure 6 In some embodiments of this utility model, the second end 1113 of the locking member 111 is provided with a mating groove 1114, and the push rod 121 is engaged with or disengaged from the mating groove 1114.

[0079] For example, the mating groove 1114 is provided on the side surface of the locking member 111 facing the push rod 121, and the mating groove 1114 is recessed from the side surface of the locking member 111 facing the push rod 121 in a direction away from the push rod 121. By providing the mating groove 1114, the positioning and installation of the locking member 111 and the drive assembly are facilitated, which helps to improve the assembly convenience of the automatic door lock device 100.

[0080] Furthermore, when the push rod 121 moves toward the locking member 111 under the action of the driving member, the push rod 121 can extend into the mating groove 1114 and engage with the mating groove 1114. When the force exerted by the driving member on the push rod 121 disappears and the push rod 121 is reset under the action of the first elastic reset member 122, the push rod 121 can disengage from the mating groove 1114.

[0081] Reference Figure 6 In some embodiments, when the locking member 111 switches from the second state to the first state, the second end 1113 of the locking member 111 again engages with the push rod 121 to stop the locking member 111, so that the push rod 121 can drive the locking member 111 again.

[0082] Combination Figure 2 , Figure 4 and Figure 6 In some embodiments of this utility model, when the push rod 121 is engaged with the mating groove 1114, the mating groove 1114 is used to limit the push rod 121 in the circumferential direction.

[0083] In other words, the groove wall extending in the circumferential direction within the mating groove 1114 can engage with the push rod 121 to prevent the push rod 121 from disengaging from the locking member 111 when driving the locking member 111. This improves the reliability of the engagement between the push rod 121 and the locking member 111, thereby enhancing the rotational stability of the locking member 111.

[0084] Combination Figures 1 to 6 In some embodiments of the present invention, the automatic door lock device 100 further includes a second elastic reset member 130, which is connected to the locking member 111 so that the locking member 111 has a tendency to switch toward the first state.

[0085] For example, the second elastic reset member 130 can be connected to the first end 1111 of the locking member 111, and the extension direction of the second elastic reset member 130 can be the same as the movement direction of the push rod 121. When the push rod 121 drives the locking member 111 to switch from the first state to the second state, the second end 1113 of the locking member 111 rotates downward, while the first end 1111 of the locking member 111 can rotate upward. The first end 1111 of the locking member 111 compresses the second elastic reset member 130, and the second elastic reset member 130 generates a force to make the locking member 111 tend to switch towards the first state. It can also be understood that the force generated by the second elastic reset member 130 makes the first end 1111 of the locking member 111 tend to rotate downward.

[0086] When the force exerted by the driving member on the push rod 121 disappears, the push rod 121 is reset under the action of the first elastic reset member 122, so that the force exerted by the push rod 121 on the locking member 111 disappears. At this time, the locking member 111 can switch from the second state to the first state under the action of the second elastic reset member 130 to realize the reset of the locking member 111, so that the locking member 111 and the locking engagement member 112 can lock and engage again.

[0087] Furthermore, when the mating part 1112 is located inside the locking hole 1121, it can also be understood that when the locking member 111 and the locking mating member 112 are locked together, the second elastic reset member 130 is in a compressed state, so that the second elastic reset member 130 can provide locking force to the locking member 111, which is beneficial to improving the reliability of the locking engagement between the locking member 111 and the locking mating member 112.

[0088] Combination Figures 3 to 6 In some embodiments of this utility model, the automatic door lock device 100 further includes a limiting member 140. The limiting member 140 and the second elastic reset member 130 are respectively located on both sides of the locking member 111. The limiting member 140 is used to limit the locking member 111 by cooperating with it to restrict the rotational freedom of the locking member 111.

[0089] For example, the limiting member 140 and the second elastic reset member 130 can be located on the upper and lower sides of the locking member 111, respectively. For instance, the second elastic reset member 130 can be located on the upper side of the locking member 111, and the limiting member 140 can be located on the lower side of the locking member 111. When the second elastic reset member 130 drives the locking member 111 to switch from the second state to the first state, the limiting member 140 can stop below the locking member 111 to prevent the second elastic reset member 130 from exerting too much force on the locking member 111, which would cause the locking member 111 to rotate excessively. This is beneficial to improving the accuracy of the locking member 111's reset.

[0090] Optionally, the limiting member 140 can be constructed as a limiting pin. Of course, it is understood that the specific structure of the limiting member 140 can be determined according to the actual production requirements. No specific limitation is made here, as long as the limiting member 140 can limit the rotational freedom of the locking member 111.

[0091] Combination Figures 1 to 6 In some embodiments of this utility model, the automatic door lock device 100 further includes a base 150, which is disposed in the housing, the locking member 111 is rotatably disposed in the base 150, and the drive assembly is disposed in the base 150.

[0092] The base 150 serves as the mounting carrier for the drive assembly and the locking element 111, facilitating the positioning and installation of the locking element 111 and the drive assembly. For example, the drive assembly and the locking element 111 can be pre-installed on the base 150, enabling modular installation of the drive assembly, the locking element 111, and the base 150. Then, the aforementioned components are installed on the housing via the base 150, which improves the assembly convenience of the automatic door lock device 100 and eliminates the need to process additional assembly structures on the housing, thus simplifying the housing production process and improving the production efficiency of cooking appliances.

[0093] In some specific embodiments of this utility model, the base 150 can be connected to the housing by threaded connectors (such as bolts or screws) to facilitate the disassembly and assembly of the base 150, thereby facilitating the replacement or maintenance of the automatic door lock device 100 and reducing the maintenance cost of the automatic door lock device 100.

[0094] Combination Figures 1 to 6 In a further embodiment of this utility model, the drive assembly further includes a mounting base 123. A through hole is formed on the mounting base 123, which is parallel to the direction of movement of the push rod 121. The push rod 121 can pass through the through hole and be installed in the mounting base 123. A first elastic reset member 122 is disposed at the end of the push rod 121 away from the drive member and is elastically supported on the top wall of the mounting base 123. When the drive member drives the push rod 121 to move closer to the locking member 111, the first elastic reset member 122 can be in a compressed state. When the force exerted by the drive member on the push rod 121 disappears, the push rod 121 can be reset under the action of the first elastic reset member 122. Thus, by providing the mounting base 123, the installation of the first elastic reset member 122 and the push rod 121 can be facilitated.

[0095] Combination Figure 2 , Figure 4 and Figure 6 In some embodiments of this utility model, the automatic door lock device 100 further includes a support member 160, which is disposed on and protrudes from the base 150. The pivot portion 1115 of the locking member 111 is rotatably disposed on the base 150 via a pivot shaft 1116, and the outer peripheral wall of the pivot portion 1115 is supported by the support member 160.

[0096] For example, the support member 160 is located on the side surface of the base 150 on which the drive assembly is mounted, and the support member 160 extends along a direction parallel to the rotation axis of the locking member 111 and protrudes from the base 150. The locking member 111 has a pivot portion 1115 at the middle position in its length direction, and a pivot shaft 1116 is provided on the base 150 at a position opposite to the pivot portion 1115. The pivot portion 1115 is sleeved on the pivot shaft 1116 and is rotatable relative to the pivot shaft 1116, thereby realizing that the locking member 111 is rotatably disposed on the base 150.

[0097] It should be noted that the central axis of the pivot shaft 1116 is the rotation axis of the locking element 111.

[0098] Furthermore, the support member 160 is disposed below the locking member 111 and abuts against the lower surface of the pivot portion 1115 to support the pivot portion 1115, which helps to improve the rotational stability of the locking member 111 and the assembly reliability of the locking member 111 and the base 150.

[0099] Optionally, the support member 160 can be constructed as a support rod. It is understood that the specific construction of the support member 160 can be determined according to actual production requirements, and no specific limitation is made here.

[0100] Combination Figure 2 , Figure 4 and Figure 6 In some embodiments of this utility model, the lower surface of the pivot portion 1115 is formed as an arc-shaped surface, so that while the support member 160 supports the pivot portion 1115, the pivot portion 1115 can rotate relative to the support member 160. This is beneficial to improving the smoothness of the rotation of the locking member 111 and preventing the automatic door lock device 100 from being difficult to unlock or lock due to the support member 160 interfering with the rotation of the locking member 111.

[0101] Combination Figures 1 to 6 In some embodiments of this utility model, the end of the support member 160 is provided with an anti-detachment protrusion 161, which is located on the axial outer side of the pivot shaft 1116.

[0102] For example, the end of the support member 160 away from the base 150 may be provided with an anti-detachment protrusion 161. The anti-detachment protrusion 161 extends from the support member 160 toward the pivot portion 1115. The anti-detachment protrusion 161 can engage with the side of the pivot portion 1115 away from the base 150 to limit the locking member 111 and prevent the locking member 111 from disengaging from the pivot portion 1116 axially outside the pivot portion 1116 when rotating around the pivot portion 1116. This helps to improve the assembly reliability and rotational stability of the locking member 111.

[0103] Combination Figures 1 to 6 In some embodiments of this utility model, the automatic door lock device 100 further includes a protection device 170, which selectively cooperates with the locking member 111 and the locking engagement member 112 to control the opening and closing of the heating element of the cooking appliance.

[0104] For example, the locking member 111 and the locking engagement member 112 selectively engage with the protection device 170. For instance, when the locking member 111 and the locking engagement member 112 are in the locked engagement state, both the locking member 111 and the locking engagement member 112 can engage with the protection device 170. The protection device 170 can control the heating element of the cooking appliance to turn on, so that the cooking appliance can cook the food. When the door is not closed, one of the locking member 111 and the locking engagement member 112 engages with the protection device 170, or neither the locking member 111 nor the locking engagement member 112 engages with the protection device 170. At this time, the protection device 170 controls the heating element to be in the closed state to prevent the heating element from starting when the cabinet is not closed. This helps to prevent the heat generated by the heating element from burning the user and improves the safety of using the cooking appliance.

[0105] Combination Figures 1 to 6 In some embodiments of this utility model, the protection device 170 includes: a first protection member 171 and a second protection member 172. The first protection member 171 is adapted to be triggered by the locking member 111 in a first state, and the second protection member 172 is adapted to be triggered by the locking engagement member 112 that is locked and engaged with the locking member 111. When both the first protection member 171 and the second protection member 172 are triggered, the circuit where the heating member is located is in the open circuit.

[0106] Considering that the locking element 111 rotates during unlocking and resetting, if the locking element 111 rotates but does not return to its original position (i.e., when the locking element 111 is not in the first state), the locking element 111 and the locking engagement element 112 are not in a locked engagement state, and the door can rotate freely relative to the cabinet. Simultaneously, considering that the locking element 112 is not properly engaged with the locking element 111, the locking element 111 and the locking engagement element 112 are not in a locked engagement state, and the door can rotate freely relative to the cabinet, if the heating element is powered on under either of these conditions, there is a risk of the heat generated by the heating element scalding the user, affecting the safety of using the cooking appliance.

[0107] Therefore, by setting the first protective element 171 and the second protective element 172 respectively, when the locking element 111 is in the first state, the first protective element 171 is triggered, and when the locking engagement element 112 is engaged with the locking element 111, the second protective element 172 is triggered. That is to say, when the locking element 111 and the locking engagement element 112 are in the locked engagement state, both the first protective element 171 and the second protective element 172 are triggered. At this time, the heating element can be energized and can generate heat.

[0108] Therefore, by setting the first protective element 171 and the second protective element 172 respectively, the cooking appliance can be protected under two conditions, preventing the heating element from generating heat and scalding the user when the door of the cooking appliance is open, which helps to improve the safety of using the cooking appliance.

[0109] In some specific embodiments of this utility model, both the first protective element 171 and the second protective element 172 can be configured as micro switches. Specifically, the first protective element 171 can be configured as a normally closed switch.

[0110] Combination Figures 1 to 6 In some embodiments of the present invention, the protection device 170 further includes a pressing component 173, which is elastically supported between the second protection member 172 and the locking engagement member 112, and is used to selectively trigger the second protection member 172.

[0111] For example, the pressing component 173 may include a slider 1731 and a third elastic reset member 1732. The slider 1731 is connected to the side of the third elastic reset member 1732 near the locking engagement member 112. When the locking member 111 is in the first state and the locking engagement member 112 moves to lock into the locking member 111, the locking engagement member 112 can press against the slider 1731 and cause the slider 1731 to move in the direction of compressing the third elastic reset member 1732. During the movement of the locking engagement member 112 and the slider 1731, the third elastic reset member 1732 is gradually compressed. When the locking engagement member 112 locks into the locking member 111, the slider 1731 can trigger the second protection member 172, and at the same time the locking member 111 triggers the first protection member 171, so that the circuit where the heating element is located is in the open circuit.

[0112] When the locking engagement of locking member 111 and locking engagement member 112 is released, the door moves away from the housing, and at the same time, the locking engagement member 112 moves away from the housing. At this time, the slider 1731 moves under the action of the third elastic reset member 1732 to release the triggering of the second protection member 172 by the slider 1731, so that the circuit where the heating member is located is de-energized to prevent the heating member from generating heat.

[0113] The first elastic reset member 122, the second elastic reset member 130, and the third elastic reset member 1732 can all be configured as springs.

[0114] Therefore, by setting the pressing component 173, the locking engagement component 112 can selectively trigger the second protective component 172, thereby facilitating the function of the protection device 170 in controlling the opening and closing of the heating component.

[0115] Combination Figures 1 to 6In some embodiments of this utility model, the automatic door lock device 100 further includes a limiting block 180. The limiting block 180 is located on the side of the slider 1731 away from the third elastic reset member 1732. The limiting block 180 limits the slider 1731 to prevent the slider 1731 from moving too far when the third elastic reset member 1732 drives the slider 1731 to move, which would cause the slider 1731 to disengage from the position of the locking engagement member 112. This is beneficial to improving the ease of engagement between the locking engagement member 112 and the pressing assembly 173.

[0116] Combination Figures 1 to 6 In some embodiments of this utility model, the automatic door lock device 100 further includes a base 150, which is disposed on the housing, and the first protective member 171 and the second protective member 172 are both disposed on the base 150.

[0117] For example, a plurality of guide posts 152 are provided on one side surface of the base 150 where the locking member 111 is provided. The guide posts 152 extend in a direction parallel to the rotation axis of the locking member 111 and protrude from the base 150. The first protective member 171 and the second protective member 172 are respectively provided with guide holes. The first protective member 171 and the second protective member 172 are respectively sleeved on the guide posts 152 through the guide holes. Thus, by providing guide posts 152 and providing guide holes on the first protective member 171 and the second protective member 172, the first protective member 171 and the second protective member 172 are positioned and installed on the base 150, which helps to improve the convenience of positioning and installing the first protective member 171 and the second protective member 172.

[0118] Optionally, the first protective member 171 and the second protective member 172 may be respectively provided with two guide posts 152, and each pair of guide posts 152 may be located on both sides of the first protective member 171 and the second protective member 172, so as to improve the convenience of positioning and installation of the first protective member 171 and the second protective member 172, while preventing the first protective member 171 and the second protective member 172 from rotating, thereby improving the assembly stability of the first protective member 171 and the second protective member 172.

[0119] Furthermore, combined Figures 1 to 6 The base 150 is provided with multiple anti-detachment components 151. The first protective component 171 and the second protective component 172 are each provided with anti-detachment components 151. The anti-detachment component 151 contacts the side wall of the corresponding protective component away from the base 150.

[0120] For example, the first protective member 171 and the second protective member 172 may each be provided with two anti-detachment members 151. The two anti-detachment members 151 corresponding to the first protective member 171 may be located on both sides of the first protective member 171, and the anti-detachment members 151 may make abutment contact with the side wall of the first protective member 171 away from the base 150 to limit the first protective member 171, prevent the first protective member 171 from disengaging from the base 150, and improve the assembly reliability of the first protective member 171.

[0121] The two anti-detachment parts 151 corresponding to the second protective part 172 can be located on both sides of the second protective part 172, and the anti-detachment parts 151 can make abutment contact with the side wall of the second protective part 172 away from the base 150 to limit the second protective part 172, prevent the second protective part 172 from disengaging from the base 150, and improve the assembly reliability of the second protective part 172.

[0122] In some embodiments of this utility model, the anti-detachment component 151 is formed as an elastic hook.

[0123] Taking the installation process of the first protective component 171 as an example, during the installation of the first protective component 171, the anti-detachment component 151 can first be driven to deform in a direction away from the installation position of the first protective component 171. Then, the first protective component 171 is installed on the guide post 152. After the first protective component 171 is installed in place, the anti-detachment component 151 can be released. The anti-detachment component 151 recovers its deformation under the action of elasticity and makes contact with the side wall of the first protective component 171 away from the base 150 to limit the first protective component 171.

[0124] Therefore, by making the anti-detachment component 151 into an elastic hook, it is beneficial to improve the installation convenience of the first protective component 171 and the second protective component 172, and can also improve the assembly reliability of the first protective component 171 and the second protective component 172.

[0125] The cooking appliance according to an embodiment of the present utility model includes: a housing, a door, and an automatic door lock device 100. A cooking cavity is formed inside the housing, and the door is disposed in the housing for opening or closing the cooking cavity. The automatic door lock device 100 is the aforementioned automatic door lock device 100.

[0126] When it is necessary to put food into or take food out of the box, the automatic door lock device 100 can be released, allowing the door to move relative to the box to open the cooking cavity, so that food can be put into or taken out of the box. When cooking utensils are not needed or food needs to be cooked, the door can be closed and the automatic door lock device 100 can lock the door and the box, improving the reliability of the door closing the cooking cavity.

[0127] According to the embodiments of the present invention, the cooking appliance is equipped with the aforementioned automatic door lock device 100. By providing a driving component and engaging it with the second end 1113 of the locking member 111, the locking member 111 is driven to switch between a first state and a second state, facilitating the automatic unlocking of the automatic door lock device 100. Furthermore, by configuring the engaging part 1112 to slide into contact with the inner wall of the locking hole 1121 when the locking engaging member 112 moves away from the engaging part 1112, the engaging part 1112 is guided to disengage from the locking hole 1121, thereby enabling the manual unlocking of the automatic door lock device 100. Thus, the automatic door lock device 100 can achieve both automatic and manual unlocking, which improves the unlocking convenience of the automatic door lock device 100, thereby improving the unlocking convenience of the door and cabinet of the cooking appliance and enhancing the user experience.

[0128] In some embodiments of this utility model, the bottom of the door is rotatably connected to the box to be adapted to rotate outward under the action of gravity to open the cooking cavity. That is, after the automatic door lock device 100 is unlocked, the door can move away from the box under its own gravity to open the cooking cavity.

[0129] In related technologies, door lock devices require additional force to be applied to the door of the cooking appliance. That is, the door lock device needs to push the door forcefully to open the cooking appliance automatically. This opening method can easily cause the door to deform or even break, affecting the service life of the cooking appliance.

[0130] This application sets up a drive assembly to disengage the locking member 111 from the locking hole 1121 on the locking mating member 112, so that the door can rotate under its own weight to open the cooking cavity, thereby realizing the automatic opening of the cooking appliance door. There is no need for the automatic door lock device 100 to apply additional driving force to the door, which helps to reduce the risk of door deformation or even damage, and thus helps to improve the service life of the cooking appliance.

[0131] In some embodiments of the present invention, the cooking appliance further includes a control module adapted to be electrically connected to the automatic door lock device 100 and used to control the operation of the drive components.

[0132] For example, the cooking appliance is equipped with a button panel, which can be communicated with the control module. When the user needs to open the cooking cavity, he / she can press the corresponding button. The button can transmit a signal to the control module, which can control the drive component to operate. The drive component drives the locking member 111 to rotate from the first state to the second state, so as to release the locking engagement state of the locking member 111 and the locking engagement member 112, thereby realizing the automatic unlocking of the automatic door lock device 100, improving the unlocking convenience of the automatic door lock device 100, thereby improving the ease of use of the cooking appliance and enhancing the user's experience.

[0133] The following is combined Figures 1 to 6 This invention provides a brief description of the operation process of the automatic door lock device 100 when the cooking appliance opens and closes according to an embodiment of the present invention.

[0134] (1) Manual opening: The user manually drives the door to rotate downward relative to the box. During this process, the drive assembly does not work. The door moves the locking engagement 112 away from the box. One of the two guide slopes a of the mating part 1112 of the locking engagement 111, which is relatively far away from the door, slides into contact with the inner wall of the locking hole 1121 and moves away from the locking hole 1121. That is, the locking engagement 112 drives the locking engagement 111 to rotate from the first state to the second state through the guide slope a of the two guide slopes a, which is relatively far away from the door. At the same time, during the movement of the locking engagement 112, the pressing assembly 173 moves in the same direction as the locking engagement 112 and releases the trigger of the second protection member 172. The circuit where the heating element is located is in a de-energized state. During the rotation of the locking engagement 111 from the first state to the second state, the locking engagement 111 releases the trigger of the first protection member 171.

[0135] Furthermore, as the locking member 111 rotates from the first state to the second state, the locking member 111 compresses the second elastic reset member 130. After the locking member 111 is completely disengaged from the locking engagement member 112, the locking member 111 resets to the first state under the action of the second elastic reset member 130, and the locking member 111 triggers the first protection member 171 again.

[0136] (2) Automatic door opening: After receiving the door opening command, the control module controls the drive component to start running. The push rod 121 moves towards the locking member 111. The push rod 121 compresses the first elastic reset member 122 and drives the locking member 111 to rotate from the first state to the second state. The locking member 111 releases the trigger state of the first protective member 171 and compresses the second elastic reset member 130. When the mating part 1112 is completely disengaged from the locking hole 1121, the automatic door lock device 100 is unlocked. The door can rotate outward under its own gravity to open the cooking cavity, thereby realizing the automatic unlocking of the automatic door lock device 100. During the rotation of the door, the door drives the locking mating member 112 to move away from the cabinet. The pressing component 173 moves in the same direction as the locking mating member 112 and releases the trigger of the second protective member 172.

[0137] When the locking member 111 is completely disengaged from the locking engagement member 112, the push rod 121 is reset under the action of the first elastic reset member 122, and at the same time, the locking member 111 is reset to the first state under the action of the second elastic reset member 130, and the locking member 111 triggers the first protection member 171 again.

[0138] (3) The door closes the cooking cavity, and the automatic door lock device 100 locks the door and the cabinet: The user manually drives the door to rotate towards the cabinet to close the cooking cavity. During this process, the door drives the locking engagement 112 to gradually move towards the pressing component 173. The locking engagement 112 gradually compresses the pressing component 173. At the same time, the locking engagement 112 can drive the locking member 111 to move from the first state to the second state through one of the two guide slopes a that is closer to the door. The locking member 111 compresses the second elastic reset member 130. When the locking engagement 112 moves to the locking hole 1121 and the engagement part 1112 are opposite, the engagement part 1112 can move into the locking hole 1121 under the action of the second elastic reset member 130. The locking member 111 switches from the second state to the first state, and the automatic door lock device 100 locks the door and the cabinet.

[0139] At the same time, the locking member 111 triggers the first protective member 171, and the pressing component 173 triggers the second protective member 172 under the action of the locking engagement member 112. The circuit where the heating element is located is turned on, and the cooking appliance can operate normally to cook the food.

[0140] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0141] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An automatic door lock device, characterized in that, The automatic door lock device is applied to a cooking appliance, the cooking appliance including a housing and a door, the door being used to open or close the housing. The automatic door lock device includes: A locking assembly includes a locking member and a locking engagement member for locking engagement, one of the locking member and the locking engagement member being disposed in the housing and the other being disposed in the door body, the locking member being rotatable, the locking engagement member being provided with a locking hole, and at least a portion of the locking member being selectively extended into the locking hole to lock engagement with the locking engagement member; A drive assembly adapted to cooperate with the locking member to drive the locking member to rotate; The locking member is configured such that, when the locking engagement member moves in a direction away from it, the locking member slides into contact with the inner wall of the locking hole to guide the locking member and the locking hole to disengage.

2. The automatic door lock device according to claim 1, characterized in that, The locking member is rotatably disposed on the box to switch between a first state and a second state, and the first end of the locking member is provided with a mating part, and the locking mating part is disposed on the door body; When the locking member is in the first state, the mating part is located inside the locking hole; When the locking member is in the second state, the mating part disengages from the locking hole.

3. The automatic door lock device according to claim 2, characterized in that, The mating part is provided with oppositely arranged guide slopes, which extend obliquely toward each other and toward the locking mating member. The guide slopes are adapted to slide in contact with the inner wall of the locking hole to guide the mating part and the locking hole to disengage.

4. The automatic door lock device according to claim 2, characterized in that, The driving assembly includes a driving member, a reciprocating push rod, and a first elastic reset member. The driving member is connected to the push rod to drive the push rod to cooperate with the locking member, thereby pushing the locking member to switch toward the second state. The first elastic reset member cooperates with the push rod to apply a force to the push rod, causing the push rod to tend to separate from the locking member.

5. The automatic door lock device according to claim 4, characterized in that, The second end of the locking member is provided with a mating groove, and the push rod engages or disengages with the mating groove.

6. The automatic door lock device according to claim 5, characterized in that, When the push rod engages with the mating groove, the mating groove is used to limit the push rod in the circumferential direction.

7. The automatic door lock device according to claim 2, characterized in that, It also includes a second elastic reset member, which is connected to the locking member so that the locking member tends to switch toward the first state.

8. The automatic door lock device according to claim 7, characterized in that, It also includes a limiting member, which and the second elastic reset member are respectively located on both sides of the locking member. The limiting member is used to limit the rotational freedom of the locking member by cooperating with the locking member.

9. The automatic door lock device according to claim 1, characterized in that, It also includes a base, which is disposed on the housing, the locking member is rotatably disposed on the base, and the driving assembly is disposed on the base.

10. The automatic door lock device according to claim 9, characterized in that, It also includes a support member, which is disposed on the base and protrudes from the base. The pivot portion of the locking member is rotatably disposed on the base via a pivot shaft, and the outer peripheral wall of the pivot portion is supported by the support member.

11. The automatic door lock device according to claim 10, characterized in that, The end of the support member is provided with an anti-detachment protrusion, which is located on the axial outer side of the pivot shaft.

12. The automatic door lock device according to any one of claims 1-11, characterized in that, It also includes a protective device that selectively engages with the locking member and the locking engagement member to control the opening and closing of the heating element of the cooking appliance.

13. The automatic door lock device according to claim 12, characterized in that, The protective device includes: A first protective element, adapted to be triggered by a locking element in a first state; A second protective element, the second protective element being adapted to be triggered by the locking engagement element which is locked in place with the locking element; When both the first and second protective components are triggered, the circuit containing the heating element is in a closed circuit.

14. The automatic door lock device according to claim 13, characterized in that, The protective device further includes a pressing component, which is elastically supported between the second protective member and the locking engagement member, and is used to selectively trigger the second protective member.

15. The automatic door lock device according to claim 13, characterized in that, It also includes a base, which is disposed on the housing, and both the first protective member and the second protective member are disposed on the base; The base is provided with multiple anti-detachment components. The first protective component and the second protective component are each provided with the anti-detachment component. The anti-detachment component contacts the side wall of the corresponding protective component that is away from the base.

16. The automatic door lock device according to claim 15, characterized in that, The anti-detachment component is formed as an elastic hook.

17. A cooking utensil, characterized in that, include: The box body, within which a cooking cavity is formed; A door, provided in the housing, for opening or closing the cooking cavity; An automatic door lock device, wherein the automatic door lock device is the automatic door lock device according to any one of claims 1-16.

18. The cooking utensil according to claim 17, characterized in that, The bottom of the door is rotatably connected to the housing to allow it to rotate outward under gravity to open the cooking cavity.

19. The cooking utensil according to claim 17, characterized in that, It also includes a control module, which is adapted to be electrically connected to the automatic door lock device and used to control the operation of the drive assembly.