CN112021953A

CN112021953A - Door lock device and cooking utensil with same

Info

Publication number: CN112021953A
Application number: CN202010693322.4A
Authority: CN
Inventors: 房华伟; 黄学鹏
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-12-04

Abstract

The invention relates to a door lock device and a cooking appliance with the same. The door lock device includes: the first door hook is arranged on the door body and is hooked on the box body when the door body is in a closed state; the key assembly is arranged on the box body, and triggers the first door hook to be separated from the box body under the condition that the key assembly is touched; the second door hook is arranged on the door body, the second door hook is hooked on the box body when the door body is in a closed state, and the second door hook is separated from the box body when the first door hook is separated from the box body and the door body is subjected to external tension. According to the door lock device provided by the embodiment of the invention, a user can open the door body smoothly only by using two hands to sequentially perform two actions of touching the key assembly and pulling the door body outwards, so that the possibility that a child opens the door body of the cooking utensil can be greatly reduced, and the risk that the child is scalded by high-temperature food is reduced.

Description

Door lock device and cooking utensil with same

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a door lock device and a cooking appliance with the same.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The cooking appliances such as microwave ovens and ovens can cook various foods quickly, and bring convenience to the life of people. In the related art, there are two common door opening methods for such cooking appliances, one is to provide a button, and a user can open the door body by pressing the button, and the other is to directly pull the door body open by a handle provided on the door body. The door opening mode has certain potential safety hazards for families with children, and the door body of the cooking appliance is easily opened by the children under the condition that the children do not monitor by adults, so that the children are possibly scalded by high-temperature food inside the cooking appliance.

Disclosure of Invention

The invention aims to at least solve the problem that the door body of the existing cooking appliance can be easily opened by children, so that the children can be scalded by high-temperature food. The purpose is realized by the following technical scheme:

an embodiment of a first aspect of the present invention provides a door lock device for a cooking appliance, the cooking appliance including a cabinet and a door body, the door lock device including: the first door hook is arranged on the door body, and the first door hook is hooked on the box body when the door body is in a closed state; the button assembly is arranged on the box body and triggers the first door hook to be separated from the box body under the condition that the button assembly is triggered; the second door hook is arranged on the door body, the second door hook is hooked on the box body when the door body is in a closed state, and the second door hook is separated from the box body when the first door hook is separated from the box body and the door body is subjected to external tension.

According to the door lock device provided by the embodiment of the invention, the door lock device comprises the first door hook, the second door hook and the key assembly arranged on the box body, under the condition that the door body of the cooking appliance is in a closed state, when the key assembly is touched, the first door hook is separated from the box body, at the moment, the second door hook is also hooked on the box body, so that the door body is kept in the closed state, and when a user further pulls the door body outwards, the second door hook is separated from the box body, so that the door body is smoothly opened. According to the process, a user needs to use two hands to sequentially implement two actions of touching the key assembly and outwards pulling the door body, so that the door body can be smoothly opened, the possibility that the door body of the cooking appliance is opened by children can be greatly reduced, and the risk that the children are scalded by high-temperature food is reduced.

In addition, the door lock device according to the embodiment of the present invention may further have the following additional technical features:

in some embodiments of the present invention, an end of the first door hook is formed with a first hook portion having a first hook face for hooking the box, and an end of the second door hook is formed with a second hook portion having a second hook face for hooking the box.

In some embodiments of the invention, the first hook face is a vertical face.

In some embodiments of the invention, the second hooking surface is an inclined surface.

In some embodiments of the present invention, the door-lock apparatus further comprises: the first sliding groove is limited by the first door hook in a manner of sliding up and down; the second sliding chute is provided with the second door hook in a vertically sliding mode; the first spring is connected with the door body and the first door hook, so that the first door hook has a downward sliding trend; and the second spring is connected with the door body and the second door hook so that the second door hook has a downward sliding trend.

In some embodiments of the present invention, the key assembly includes: pressing a key; the turnover plate is connected with the box body in a rotatable mode, and one side of the turnover plate abuts against the key; the connecting rod is connected with the box body in a rotatable mode, one side of the connecting rod is abutted to the other side of the turning plate, and the other side of the connecting rod contacts the bottom of the first door hook when the door body is in a closed state.

An embodiment of a second aspect of the present invention provides a door lock device for a cooking appliance including a cabinet and a door body, the door lock device including: the door hook is arranged on the door body, a hook part is formed on the door hook, and the door hook is hung on the box body through the hook part when the door body is in a closed state; the button assembly is arranged on the box body, one part of the hook portion is triggered to be separated from the box body under the condition that the button assembly is triggered, and the other part of the hook portion is separated from the box body under the condition that the one part of the hook portion is separated from the box body and the door body is subjected to external tensile force.

According to the door lock device provided by the embodiment of the invention, the door lock device comprises the door hook arranged on the door body and the key assembly arranged on the box body, under the condition that the door body of the cooking appliance is in a closed state, when the key assembly is touched, one part of the hook part of the door hook is separated from the box body, at the moment, the other part of the hook part is also hooked on the box body, so that the door body is kept in the closed state, and when a user further pulls the door body outwards, the other part of the hook part is separated from the box body, so that the door body is smoothly opened. According to the process, a user needs to use two hands to sequentially implement two actions of touching the key assembly and outwards pulling the door body, so that the door body can be smoothly opened, the possibility that the door body of the cooking appliance is opened by children can be greatly reduced, and the risk that the children are scalded by high-temperature food is reduced.

in some embodiments of the present invention, the hook portion is formed with a hook surface, the hook surface includes a first section and a second section connected to the first section, the second section is located below the first section, the first section is a vertical surface, and the second section is an inclined surface.

In some embodiments of the present invention, the door-lock apparatus further comprises: the door hook is limited in the sliding groove in a vertically sliding manner; and the spring is connected with the door body and the door hook so that the door hook has a downward sliding tendency.

Embodiments of a third aspect of the invention provide a cooking appliance comprising: a box body; the door body is connected with the box body; the door lock device is the door lock device in any one of the above embodiments.

According to the cooking utensil in the embodiment of the invention, a user can open the door body smoothly only by using two hands to sequentially perform two actions of touching the key assembly and pulling the door body outwards, so that the possibility that a child opens the door body of the cooking utensil can be greatly reduced, and the risk that the child is scalded by high-temperature food is reduced.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic view of a cooking appliance according to a first embodiment of the present invention (when a door is opened);

fig. 2 is a schematic view of a cooking appliance according to a first embodiment of the present invention in a partial cross-section (when the door is opened);

fig. 3 is a schematic internal structure view (when the door is closed) of the cooking appliance according to the first embodiment of the present invention;

FIG. 4 is a schematic front view of the structure shown in FIG. 3;

FIG. 5 is a schematic view of an embodiment of the present invention in which the first door hook and the second door hook are formed as a unitary structure;

fig. 6 is a schematic view of a cooking appliance according to a second embodiment of the present invention (when the door is opened);

fig. 7 is a schematic view of a cooking appliance in partial section (when the door is opened) according to a second embodiment of the present invention;

fig. 8 is a schematic view of the internal structure of a cooking appliance according to a second embodiment of the present invention (when the door is closed).

The reference symbols in the drawings denote the following:

100: a door lock device;

10: a first door hook;

11: first hook, 111: first hooked noodles, 12: a connecting member;

20: a second door hook;

21: second hook, 211: second hooked noodles;

30: a key assembly;

31: key, 32: a turning plate, 33: a connecting rod;

40: a first chute;

50: a second chute;

60: a first spring;

66: a second spring;

70: a door hook;

71: a hook portion;

711: first section, 712: a second section;

80: a chute;

90: a spring;

200: a cooking appliance;

210: a box body;

220: a door body.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The first embodiment is as follows:

as shown in fig. 1 to 4, an embodiment of the present invention provides a door lock device 100 for a cooking appliance 200, wherein the cooking appliance 200 includes a cabinet 210 and a door 220. The door-lock apparatus 100 includes a first door hook 10, a second door hook 20, and a key assembly 30. Specifically, the first door hook 10 is provided on the door 220, and the first door hook 10 is hooked on the case 210 in a state where the door 220 is closed. The key assembly 30 is disposed on the case 210, and the key assembly 30 triggers the first door hook 10 to be separated from the case 210 if it is touched. The second door hook 20 is provided on the door body 220, the second door hook 20 is hooked on the cabinet 210 in a state where the door body 220 is closed, and the second door hook 20 is separated from the cabinet 210 in a state where the first door hook 10 is separated from the cabinet 210 and the door body 220 receives an external tensile force.

According to the door lock device 100 of the embodiment of the present invention, the door lock device includes the first door hook 10 and the second door hook 20 disposed on the door 220, and the key assembly 30 disposed on the cabinet 210, when the door 220 of the cooking appliance 200 is in a closed state, when the key assembly 30 is touched, the first door hook 10 is separated from the cabinet 210, and at this time, the second door hook 20 is also hooked on the cabinet 210, so that the door 220 maintains the closed state, and when the user further pulls the door 220 outward, the second door hook 20 is separated from the cabinet 210, so that the door 210 is smoothly opened. According to the process, the user needs to use two hands to sequentially implement two actions of touching the key assembly 30 and pulling the door 220 outwards, so that the door 220 can be smoothly opened, the possibility that the door 220 of the cooking appliance 200 is opened by children can be greatly reduced, and the risk that the children are scalded by high-temperature food is reduced.

In some embodiments of the present invention, the end of the first door hook 10 is formed with a first hook 11, the first hook 11 has a first hook surface 111 for hooking the box 210, and the first door hook 10 abuts against the box 210 through the first hook surface 111 when hooking the box 210, so as to connect the first door hook 10 and the box 210. Similarly, the end of the second door hook 20 is formed with a second hook 21, the second hook 21 has a second hook surface 211 for hooking the box 210, and the second door hook 20 abuts against the box 210 through the second hook surface 211 when hooking the box 210, so that the connection between the second door hook 20 and the box 210 is realized.

In some embodiments of the present invention, the first hook plane 111 is a vertical plane, so that the first door hook 10 can be stably hooked on the box 210, that is, when the first door hook 10 is hooked on the box 210, a user cannot pull the door 220 by applying a pulling force to the door 220, so as to ensure effective locking of the door 220 by the door lock device 100, and further ensure that the cooking appliance 200 cannot be pulled accidentally during operation, so as to avoid danger.

In some embodiments of the present invention, the second hook surface 211 is an inclined surface, and when the door 220 is pulled by an external force, a force applied to the inclined surface from the box 210 has an upward component in an inclined direction, so that the second hook 20 is separated from the box 210. That is, when the door 220 is not subjected to the external tensile force, the second door hook 20 hooks the cabinet 210 through the second hook facing surface 211, so that the door 220 maintains the closed state, and when the door 220 is subjected to the external tensile force, the second door hook 20 is separated from the cabinet 210, and the opening of the door 220 is not affected.

In some embodiments of the present invention, the door-lock apparatus 100 further includes a first slide groove 40, a second slide groove 50, a first spring 60, and a second spring 66. The first door hook 10 is limited to the first sliding groove 40 in a vertically slidable manner, the second door hook 20 is disposed on the second sliding groove 50 in a vertically slidable manner, the first spring 60 connects the door body 220 and the first door hook 10, so that the first door hook 10 has a downward sliding tendency, and the second spring 66 connects the door body 220 and the second door hook 20, so that the second door hook 20 has a downward sliding tendency. In this embodiment, the first door hook 10 is limited to the first sliding groove 40 in a vertically slidable manner, the second door hook 20 is disposed on the second sliding groove 50 in a vertically slidable manner, and under the action of the first spring 60 and the second spring 66, the first door hook 10 is located at the bottom of the first sliding groove 40, and the second door hook 20 is located at the bottom of the second sliding groove 50, so that the first door hook 10 and the second door hook 20 can hook the box 210. When the button assembly 30 is actuated, the button assembly 30 pushes up the first door hook 10, so that the first door hook 10 can be separated from the case 210.

In other embodiments of the present invention, as shown in fig. 5, the first door hook 10 and the second door hook 20 may be connected to each other by a connecting member 12 to form an integral structure, in which case, only one sliding groove may be provided, and in addition, since the first door hook 10 needs to be hooked to the case 210 by the second door hook 20 when being pushed up by the button assembly 30, the second hook surface 211 of the second door hook 20 needs to be extended to a certain extent.

In some embodiments of the present invention, as shown in fig. 4, the key assembly 30 includes a key 31, a flap 32, and a link 33, wherein the flap 32 is rotatably connected to the case 210, one side of the flap 32 abuts against the key 31, the link 33 is rotatably connected to the case 210, one side of the link 33 abuts against the other side of the flap 32, and the other side of the link 33 contacts the bottom of the first door hook 10 in a state where the door 220 is closed. In this embodiment, when the user touches the button 31, the button 31 drives the link 33 to rotate through the flap 32, and the link 33 pushes up the first hook 11 of the first door hook 10, so that the first hook 11 can be separated from the case 210. When the user releases the button 31, the flap 32 can be reset under the effect of gravity, the button 31 also returning to the initial position.

Example two:

as shown in fig. 6 to 8, an embodiment of the present invention provides a door lock device 100 for a cooking appliance 200, where the cooking appliance 200 includes a cabinet 210 and a door 220. The door lock device 100 includes a door hook 70 and a key assembly 30, the door hook 70 is provided on a door 220, a hook portion 71 is formed on the door hook 70, and the door hook 70 is hooked on a case 210 by the hook portion 71 in a state where the door 220 is closed. The key assembly 30 is disposed on the case 210, and when the key assembly 30 is touched, a part of the hook 71 is triggered to be separated from the case 210, and another part of the hook 71 is separated from the case 210 when the part of the hook 71 is separated from the case 210 and the door 220 is subjected to an external tensile force.

According to the door lock device 100 of the embodiment of the present invention, the door hook 70 is disposed on the door 220, and the key assembly 30 is disposed on the cabinet 210, when the door 220 of the cooking appliance 200 is in a closed state, when the key assembly 30 is touched, a part of the hook portion 71 of the door hook 70 is separated from the cabinet 210, at this time, another part of the hook portion 71 is also hooked on the cabinet 210, so that the door 220 maintains the closed state, and when the user further pulls the door 220 outward, the another part of the hook portion 71 is separated from the cabinet 210, so that the door 210 is smoothly opened. According to the process, the user needs to use two hands to sequentially implement two actions of touching the key assembly 30 and pulling the door 220 outwards, so that the door 220 can be smoothly opened, the possibility that the door 220 of the cooking appliance 200 is opened by children can be greatly reduced, and the risk that the children are scalded by high-temperature food is reduced.

In some embodiments of the present invention, the hook 71 is formed with a hook surface, the hook surface includes a first section 711 and a second section 712 connected to the first section 711, the second section 712 is located below the first section 711, the first section 711 is a vertical surface, and the second section 712 is an inclined surface. When the door 220 is in the closed state, the door hook 70 is stably hooked to the box 210 by the first section of the hook surface, and at this time, the user cannot open the door 220 only by applying a pulling force to the door 220, thereby ensuring effective locking of the door lock device 100. When the user touches the button assembly 30, the first section 711 of the hook surface is separated from the box body 210 under the action of the button assembly 30, and the second section 712 still hooks the box body 210, so that the door 220 is kept in a closed state, when the user further pulls the door 220 outwards, the acting force of the second section 712 from the box body 210 has an upward component, so that the second section 712 is separated from the box body 210, at this time, the whole door hook 70 is separated from the box body 210, and the door 220 is smoothly opened.

In some embodiments of the present invention, the door lock device 100 further includes a sliding slot 80 and a spring 90, the door hook 70 is limited on the sliding slot 80 in a vertically slidable manner, and the spring 90 connects the door body 220 and the door hook 70, so that the door hook 70 has a downward sliding tendency. In this embodiment, the door hook 70 is limited to the sliding slot 80 in a vertically slidable manner, and under the action of the spring 90, the door hook 70 is located at the bottom of the sliding slot 90, so that the door hook 70 can hook the box 210, and when the key assembly 30 is triggered, the button assembly 30 pushes up the door hook 70, so that the door hook 70 can be separated from the box 210.

In some embodiments of the present invention, the key assembly 30 includes a key 31, a flap 32 and a link 33, wherein the flap 32 is rotatably connected to the cabinet 210, one side of the flap 32 abuts against the key 31, the link 33 is rotatably connected to the cabinet 210, one side of the link 33 abuts against the other side of the flap 32, and the other side of the link 33 contacts the bottom of the door hook 70 when the door 220 is in a closed state. In this embodiment, when the user touches the button 31, the button 31 drives the link 33 to rotate through the flap 32, and the link 33 pushes up the hook portion 71 of the door hook 70, so that the first section 711 of the hook surface can be separated from the case 210.

It is understood that the number of the door hooks 70 may be one or two, and may be set according to the type of the product to be used. When the number of the door hooks 70 is two, the two door hooks 70 may be connected by the connection member 71, so that the two door hooks 70 have an integrated structure, and thus, only one button assembly 30 may be provided, and the two door hooks 70 may be moved upward at the same time by one button assembly 30.

Example three:

the invention further provides a cooking appliance 200, which comprises a box body 210, a door body 220 and a door lock device 100, wherein the door body 220 is connected with the box body 210, and the door lock device 100 is the door lock device 100 in any embodiment.

According to the cooking appliance 200 in the embodiment of the invention, a user needs to use two hands to sequentially perform two actions of touching the key assembly 30 and pulling the door 220 outwards to smoothly open the door 220, so that the possibility that a child opens the door 220 of the cooking appliance 200 can be greatly reduced, and the risk that the child is scalded by high-temperature food is reduced.

It is understood that the cooking appliance 200 of the embodiment of the present invention may be one of a microwave oven, an oven, a steam box and a combined steaming and baking machine.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a door lock device for cooking utensil, cooking utensil includes the box and the door body, its characterized in that, door lock device includes:

the first door hook is arranged on the door body, and the first door hook is hooked on the box body when the door body is in a closed state;

the button assembly is arranged on the box body and triggers the first door hook to be separated from the box body under the condition that the button assembly is triggered;

the second door hook is arranged on the door body, the second door hook is hooked on the box body when the door body is in a closed state, and the second door hook is separated from the box body when the first door hook is separated from the box body and the door body is subjected to external tension.

2. The door-lock apparatus according to claim 1, wherein an end portion of the first door hook is formed with a first hook portion having a first hook surface for hooking the cabinet, and an end portion of the second door hook is formed with a second hook portion having a second hook surface for hooking the cabinet.

3. The door latch mechanism according to claim 2, wherein the first hooking surface is a vertical surface.

4. The door latch mechanism of claim 2, wherein the second hook face is a ramped face.

5. The door-lock apparatus according to claim 1, further comprising:

the first sliding groove is limited by the first door hook in a manner of sliding up and down;

the second sliding chute is provided with the second door hook in a vertically sliding mode;

the first spring is connected with the door body and the first door hook, so that the first door hook has a downward sliding trend;

and the second spring is connected with the door body and the second door hook so that the second door hook has a downward sliding trend.

6. The door lock device according to claim 1, wherein the key assembly includes:

pressing a key;

the turnover plate is connected with the box body in a rotatable mode, and one side of the turnover plate abuts against the key;

the connecting rod is connected with the box body in a rotatable mode, one side of the connecting rod is abutted to the other side of the turning plate, and the other side of the connecting rod contacts the bottom of the first door hook when the door body is in a closed state.

7. The utility model provides a door lock device for cooking utensil, cooking utensil includes the box and the door body, its characterized in that, door lock device includes:

the door hook is arranged on the door body, a hook part is formed on the door hook, and the door hook is hung on the box body through the hook part when the door body is in a closed state;

the button assembly is arranged on the box body, one part of the hook portion is triggered to be separated from the box body under the condition that the button assembly is triggered, and the other part of the hook portion is separated from the box body under the condition that the one part of the hook portion is separated from the box body and the door body is subjected to external tensile force.

8. The door-lock apparatus according to claim 7, wherein the hook portion is formed with a hook surface including a first section and a second section connected to the first section, the second section being located below the first section, the first section being a vertical surface, the second section being an inclined surface.

9. The door-lock apparatus according to claim 7, further comprising:

the door hook is limited in the sliding groove in a vertically sliding manner;

and the spring is connected with the door body and the door hook so that the door hook has a downward sliding tendency.

10. A cooking appliance, comprising:

a box body;

the door body is connected with the box body;

a door lock device according to any one of claims 1 to 9.