CN116624028A

CN116624028A - Door assembly of cooking utensil and cooking utensil

Info

Publication number: CN116624028A
Application number: CN202310644382.0A
Authority: CN
Inventors: 曾永攀; 张鑫; 吴延岐; 何庆平
Original assignee: Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-08-22

Abstract

The application discloses a door assembly of a cooking appliance and the cooking appliance, and belongs to the technical field of household appliances. The door assembly of the cooking utensil comprises a door body, a lock hook, a reset piece and a knob. The lock hook is rotatably arranged on the first frame of the door body around the first axis between a first position and a second position, part of the lock hook extends out of the backboard of the door body, the first axis is parallel to the normal line of the side surface of the first frame, the lock hook is suitable for locking with a main machine of the cooking utensil in the first position, and the lock hook is suitable for unlocking with the main machine of the cooking utensil in the second position; the reset piece is elastically connected between the lock hook and the door body and is used for driving the lock hook to be kept at a first position; the knob is used for driving the latch hook to rotate from a first position to a second position. Through setting up latch hook and reset piece messenger's door subassembly can be through the host computer locking of latch hook and cooking utensil, need control knob drive latch hook unblock earlier during the opening, and the pulling door subassembly is opened again, and the mode of twice unblock can prevent that children from touching by mistake and open the door subassembly, and easy operation.

Description

Door assembly of cooking utensil and cooking utensil

Technical Field

The application belongs to the technical field of household appliances, and particularly relates to a door assembly of a cooking appliance and the cooking appliance.

Background

The cooking utensil of manual opening door commonly used is provided with the handle that opens the door, and the user directly pulls open the handle, can open cooking utensil furnace gate for it is simple and convenient to open the door, but such mode of opening the door makes children under the circumstances that does not have the adult guardianship, opens cooking utensil's furnace gate very easily, thereby exists by the inside high temperature food scald of cooking utensil or put into dangerous article's risk in the cooking utensil.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a door assembly of a cooking appliance and the cooking appliance, so as to prevent a child from being injured accidentally due to the fact that the door of the cooking appliance is opened by touching the door by mistake.

In a first aspect, the present application provides a door assembly of a cooking appliance, comprising:

a door body;

a latch hook pivotally mounted to a first rim of the door body about a first axis, the latch hook extending at least partially from a back panel of the door body, the first axis being parallel to a normal to a side of the first rim, the latch hook being adapted to latch with a main machine of the cooking appliance in a first position and adapted to unlatch with the main machine of the cooking appliance in a second position;

the reset piece is elastically connected between the lock hook and the door body and is used for driving the lock hook to be kept at a first position;

the knob is connected with the lock hook and is at least used for driving the lock hook to rotate from a first position to a second position.

According to the door component of the cooking utensil, the lock hook and the reset piece are arranged, so that the door component can be locked with the main machine of the cooking utensil through the lock hook, when the door is opened, the knob is controlled to drive the lock hook to unlock, and then the door component is pulled to unlock for the second time, so that the door component can be completely opened, and the door component can be prevented from being opened by being touched by children by mistake in the way of unlocking for the second time, and the operation is simple.

According to one embodiment of the present application, the first frame is a frame opposite to the pivot axis of the door body.

According to one embodiment of the application, the pivot axis of the door body is located at the lower frame of the door body, the first frame is the upper frame of the door body, and the latch hook is pivotally mounted on the first frame around the vertical direction.

According to one embodiment of the application, the shackle comprises:

the connecting arm penetrates through the door body, the first axis penetrates through the connecting arm, and the knob is connected with the connecting arm;

a hook connected to the connecting arm and spaced apart from the first axis.

According to one embodiment of the application, the shackle further comprises:

the pin shaft is connected with the connecting arm, the axis of the pin shaft coincides with the first axis, the knob is connected with the pin shaft, and the pin shaft and the hook body are respectively positioned on two adjacent sides of the connecting arm.

According to one embodiment of the application, the knob comprises:

the sleeve is sleeved outside the pin shaft;

a handle portion connected to the sleeve and extending in a direction away from the first axis.

According to one embodiment of the application, one of the connecting arm and the door body is provided with a latch hook rotating shaft, the other is provided with a shaft hole which is pivotally matched with the latch hook rotating shaft, and the latch hook rotating shaft or the shaft hole and the pin shaft are positioned on two opposite sides of the connecting arm.

According to one embodiment of the application, the back plate of the first frame is provided with a back plate avoidance groove, the connecting arm penetrates through the back plate avoidance groove, and the hook body extends out of the door body.

According to one embodiment of the application, the door body comprises:

the backboard of the door frame body is provided with the backboard avoiding groove;

the door shell is arranged on the outer side of the door frame body and is provided with an avoidance opening, and the lock hook or the knob penetrates through the avoidance opening.

In a second aspect, the present application provides a cooking appliance comprising:

a main body having a cooking cavity;

the door assembly according to any one of the preceding claims, wherein the door body of the door assembly is openably and closably mounted to the main machine, the latch hook is locked with the main machine of the cooking appliance in a first position, and the latch hook is unlocked with the main machine of the cooking appliance in a second position.

According to the cooking utensil provided by the application, the door component can be locked with the main machine of the cooking utensil through the lock hook and the reset piece, the slide block is controlled to drive the lock hook to unlock when the door is opened, and then the door component is pulled to unlock for the second time, so that the door component can be completely opened, the door component can be prevented from being opened by mistaken touch by children, the safety of the cooking utensil is improved, and the operation is simple.

According to one embodiment of the application, the front plate of the host is provided with a locking groove, and the locking hook is adapted to extend into the locking groove to be locked with the front plate.

According to one embodiment of the application, the front plate is provided with a front plate flanging, one end of the front plate flanging is connected with one side edge of the locking groove, the front plate flanging is overlapped with the first area of the front plate, the lock hook is opposite to the first area under the condition of the first position, and the lock hook is suitable for being locked with the front plate flanging.

According to one embodiment of the application, the door assembly has a claw, and the front plate of the host has a clamping groove, and the claw is used for clamping with the clamping groove.

Additional aspects and advantages of the application 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 application.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a cooking appliance according to an embodiment of the present application;

fig. 2 is one of explosion schematic diagrams of a cooking appliance according to an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of a knob according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a latch hook according to an embodiment of the present application;

fig. 6 is one of assembly schematic diagrams of a latch hook of a cooking appliance in a first position according to an embodiment of the present application;

fig. 7 is a second schematic diagram illustrating an assembly of a latch hook of a cooking apparatus in a first position according to an embodiment of the present application;

fig. 8 is one of assembly schematic diagrams of a latch hook of a cooking appliance in a second position according to an embodiment of the present application;

FIG. 9 is a second schematic diagram illustrating assembly of a latch hook of a cooking apparatus in a second position according to an embodiment of the present application;

FIG. 10 is a second schematic diagram of a cooking apparatus according to an embodiment of the present application;

FIG. 11 is a second schematic explosion diagram of a cooking apparatus according to an embodiment of the present application;

FIG. 12 is a partial enlarged view at B in FIG. 11;

FIG. 13 is a second schematic view of a knob according to an embodiment of the present application;

FIG. 14 is a second schematic diagram of a latch hook according to an embodiment of the present application;

FIG. 15 is a third schematic view illustrating assembly of a latch hook of a cooking apparatus in a first position according to an embodiment of the present application;

fig. 16 is a third schematic assembly view of a latch hook of a cooking apparatus in a second position according to an embodiment of the present application.

Reference numerals:

cooking appliance 100, reset member 140;

a door body 110, a door frame body 111, a back plate 112, a back plate avoiding groove 113, a first side frame 114, a door housing 115 and an avoiding opening 116;

the device comprises a lock hook 120, a connecting arm 121, a hook body 122, a pin shaft 123, a second connecting part 124, a lock hook rotating shaft 125 and a connecting plate 126;

knob 130, connecting groove 131, sleeve 132, and grip 133;

the cooking device comprises a main machine 150, a cooking cavity 151, a front plate 152, a locking groove 153, a front plate flange 154 and a clamping groove 155.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

A door assembly of a cooking appliance 100 according to an embodiment of the present application is described below with reference to fig. 1 to 16.

As shown in fig. 1 to 3 and 10 to 12, the door assembly of the cooking appliance 100 includes a door body 110, a latch hook 120, a reset member 140, and a knob 130.

In the present embodiment, the door body 110 is configured to be capable of being opened and closed on the main machine 150 of the cooking appliance 100, so as to form a cooking cavity 151 with the main machine 150 of the cooking appliance 100, thereby performing heat preservation and insulation functions. In some examples, the door 110 may further be provided with a perspective window to facilitate viewing the status of food in the main unit 150; the door body 110 may also be provided with a control panel for controlling the operation of the electric appliances in the host 150; door body 110 can also be provided with a door handle, which can facilitate the user to pull door body 110.

The latch hook 120 may be used to lock the door body 110 and the host 150, and the latch hook 120 may be made of metal or plastic, for example, in some embodiments, the latch hook 120 is made of plastic, wherein the plastic may include, but is not limited to, PP (Polypropylene), POM (polyoxymethylene), PC (Polycarbonate).

In this embodiment, the latch hook 120 is pivotally mounted to the first frame 114 of the door body 110 about a first axis between a first position in which the latch hook 120 is adapted to latch with the main machine 150 of the cooking appliance 100 and a second position in which the latch hook 120 is adapted to unlatch with the main machine 150 of the cooking appliance 100.

The latch hook 120 is pivotally mounted on the first frame 114 of the door body 110 around the first axis, the first frame 114 can be connected with the main machine 150 of the cooking appliance 100, when the latch hook 120 moves to the first position, the latch hook 120 can be locked and limited with the main machine 150 of the cooking appliance 100, and at the moment, the door assembly is in a locked state and cannot be opened; when the latch hook 120 is moved to the second position, the latch hook 120 is unlocked and disengaged from the main unit 150 of the cooking appliance 100, and the door assembly is in an unlocked state and can be opened.

At least a portion of the latch hook 120 protrudes from the back plate 112 of the door body 110.

The back plate 112 of the door body 110 is a panel of the door body 110 facing the main machine 150, at least part of the latch hook 120 extends out of the back plate 112 of the door body 110, the part of the latch hook 120 extending out of the back plate 112 is used for locking and limiting with the front plate 152 of the main machine 150, the front plate 152 of the main machine 150 is used for abutting against the back plate 112 of the door body 110, and the latch hook 120 is arranged to extend out of the back plate 112 of the door body 110, so that the front and side surfaces of the door body 110 are not protruded, and the front and side surfaces of the door body 110 are more attractive. In addition, after the door body 110 is opened, since the side edge of the door body 110 does not have a protruding portion, the latch hook 120 is prevented from accidentally injuring a human body.

The first axis is parallel to a normal to a side of the first bezel 114.

The normal line of the side surface of the first frame 114 is a line perpendicular to the side surface because the first axis is parallel to the normal line of the side surface of the first frame 114, and the latch hook 120 rotates in a direction parallel to the side surface of the first frame 114.

The reset element 140 is elastically connected between the latch hook 120 and the door body 110, and the reset element 140 is used for driving the latch hook 120 to maintain the first position.

The reset member 140 is elastically coupled between the latch hook 120 and the door body 110 to apply an elastic force to the latch hook 120, so that the latch hook 120 is maintained at the first position. When the hand leaves the operation section, the latch hook 120 returns to the first position under the driving of the reset element 140, and when the door body 110 is closed, the latch hook 120 can be locked with the host 150 of the cooking utensil 100, so as to fix the door assembly.

The knob 130 is coupled to the shackle 120 for at least driving the shackle 120 from the first position to the second position.

The knob 130 is connected to the latch hook 120, wherein a rotation axis of the knob 130 may coincide with the first axis, and the latch hook 120 rotates synchronously with the knob 130 when the knob 130 is rotated, and the knob 130 is manually operated to drive the latch hook 120 to rotate from the first position to the second position.

It should be noted that, the latch hook 120 of the present application may be a safety lock of the cooking apparatus 100, that is, the latch hook 120 is a first lock of the cooking apparatus 100, a user may not release the first lock by directly pulling a door, and the cooking apparatus 100 itself has an elastic door lock, which is a second lock of the cooking apparatus 100, and the user may release the elastic door lock by pulling a door handle outward with a small force.

In actual implementation, as shown in fig. 6, 7 and 15, the latch hook 120 is kept at the first position by the force of the reset member 140, the latch hook 120 is locked with the host 150, and the door assembly cannot be opened. When the door is opened, the knob 130 is manually rotated first, the latch hook 120 is driven to rotate to the second position, so that the latch hook 120 and the host 150 are in an unlocking state, as shown in fig. 8, 9 and 16, the first unlocking is completed, the door assembly is pulled to be separated from the host 150, the second unlocking is realized, and after the unlocking is performed by two operations, the door assembly completes the opening action. When the door is closed, the door assembly is closed on the host 150, the latch hook 120 is restored to the first position under the action of the reset member 140 and is locked with the host 150, and the door assembly cannot be opened, so that the door assembly is closed.

According to the door assembly provided by the embodiment of the application, the lock hook 120 and the reset piece 140 are arranged to lock the door assembly with the main machine 150 of the cooking utensil 100 through the lock hook 120, when the door is opened, the operation section is controlled to drive the lock hook 120 to unlock, then the door assembly is pulled to be separated from the main machine 150, the door assembly can be opened after two operations, the door assembly can be prevented from being opened by a child by touching by mistake, the risk that the child is scalded by high-temperature food in the cooking utensil 100 or dangerous articles are put into the cooking utensil 100 is reduced, and the opening and closing operations are simple.

As shown in fig. 2 and 11, according to some embodiments of the present application, the first bezel 114 is a bezel opposite to the pivot axis of the door body 110.

One frame of the door body 110 is pivotally connected to the host 150, and the pivot axis is an axis of the door body 110 that rotates on the host 150 relative to the host 150, and the door body 110 may be connected to the host 150 by a pin 123. The first frame 114 is a frame opposite to the frame where the pivot axis of the door body 110 is located, and by installing the latch hook 120 on the first frame 114, two fixing positions of the door body 110 and the host 150 are arranged on two frames opposite to the door body 110, so that the connection between the door body 110 and the host 150 is more stable.

In the present embodiment, the door handle may be disposed near the first frame 114 according to a position where a human body is most likely to exert a force to open the door.

As shown in fig. 2 and 11, according to some embodiments of the present application, the pivot axis of the door body 110 may be located at the lower rim of the door body 110, and the first rim 114 may be the upper rim of the door body 110.

The pivot axis of the door body 110 is located at the lower frame of the door body 110, so that the door body 110 is in a downward opening arrangement, the first frame 114 is an upper frame of the door body 110, the latch hooks 120 are correspondingly arranged at the positions of the upper frame, and correspondingly, the sliding blocks are also located at the upper frame, so that manual operation is facilitated.

In the present embodiment, since the first frame 114 is disposed in the lateral direction such that the first axis is disposed in the vertical direction, the latch hook 120 is pivotally mounted to the first frame 114 about the vertical direction.

Through setting up door body 110 to the downwardly opening door, it is easier to pull down according to the operating habit of manpower, and can be used for holding food after the door body 110 is opened, can prevent that food from dropping when food scalds very much.

In some embodiments, the pivot axis of the door body 110 may also be located at a left or right side frame of the door body 110, so that the door body 110 is in a side-open configuration, the first frame 114 is a right or left side frame opposite to the pivot axis of the door body 110, and the latch hook 120 is mounted on the first frame 114 in a manner of rotating around the transverse direction.

As shown in fig. 5 and 14, the latch hook 120 may include a connection arm 121 and a hook body 122 according to some embodiments of the present application.

As shown in fig. 2, 3, 11 and 12, the connection arm 121 penetrates the door body 110, the first axis passes through the connection arm 121, and the knob 130 is connected to the connection arm 121.

The connection arm 121 may extend in a width direction of the first frame 114 to penetrate the back plate 112 of the door body 110, a first axis passes through the connection arm 121, the connection arm 121 is pivotally disposed around the first axis, and locking and unlocking of the latch hook 120 is achieved by rotation of the connection arm 121. The reset element 140 is connected to the connecting arm 121, and is used for driving the connecting arm 121 to reset and maintain the first position.

The hook 122 may be connected to the connection arm 121 and may be spaced apart from the first axis.

The hook 122 is connected to the connecting arm 121, the hook 122 may be in a hook-shaped arrangement extending from the connecting arm 121 to one side, the hook 122 may be locked with the host 150, the hook 122 is spaced apart from the first axis, so that when the connecting arm 121 rotates around the first axis, the hook 122 will have an arc-shaped movement stroke, and it will be understood that the farther the distance between the hook 122 and the first axis is, the greater the movement stroke of the hook 122 is. In this embodiment, the hook 122 may be connected to an end of the connection arm 121 near the host 150. The hook 122 is driven to move by rotating the connecting arm 121, so that the hook 122 is hooked on the front plate 152 of the host 150 to realize locking, or the hook 122 is separated from the front plate 152 of the host 150 to realize unlocking.

It should be noted that the hook 122 may be integrally provided with the connection arm 121.

In some embodiments, as shown in fig. 3, 6 and 8, the connection arm 121 may have a first connection portion, and one end of the reset element 140 may be connected to the first connection portion to drive the connection arm 121 to reset. The first connecting portion may be a connecting hole, and the restoring member 140 may be a torsion spring, where the torsion spring has two supporting feet, and the two supporting feet of the torsion spring are respectively connected with the door body 110 and the connecting hole in a matched manner, and by compressing the torsion spring, the torsion spring always applies a restoring force to the connecting arm 121 from the second position to the first position.

In other embodiments, as shown in fig. 12, 14 and 15, a connection plate 126 may be disposed at one side of the connection arm 121, a first connection portion may be disposed on the connection plate 126, and one end of the reset element 140 may be connected to the first connection portion to drive the connection arm 121 to reset. The first connecting portion may be a connecting hole, the restoring member 140 may be a tension spring, one end of the tension spring is fixedly connected with the door body, the other end of the tension spring may be cooperatively connected with the first connecting portion on the connecting plate 126, and by stretching the tension spring, the tension spring always applies a restoring force to the connecting arm 121 from the second position to the first position.

The connecting hole and the first axis are not intersected, and the axes of the connecting hole and the first axis may be parallel or not parallel.

In other embodiments, the restoring member 140 may be a tension spring or a compression spring, where one end of the restoring member 140 is connected to the host machine, and the other end of the restoring member is connected to the first connecting portion of the connecting arm 121, where the first connecting portion may be a connecting shaft or a protruding portion, and the restoring force rotated from the second position to the first position is applied to the connecting arm 121 by the tension spring or the compression spring.

As shown in fig. 5 and 14, the shackle 120 may also include a pin 123, according to some embodiments of the application.

The pin 123 may be connected to the connection arm 121, and the axis of the pin 123 coincides with the first axis, and the knob 130 may be connected to the pin 123.

The axis of the pin shaft 123 coincides with the first axis, and by connecting the knob 130 with the pin shaft 123, the knob 130 drives the pin shaft 123 to rotate and then drives the connecting arm 121 to rotate. The pin shaft 123 and the hook body 122 are respectively located at two adjacent sides of the connecting arm 121, so that the hook body 122 can be clamped with the main body in the moving direction of the connecting arm 121 when the connecting arm rotates along with the pin shaft 123.

In some embodiments, as shown in fig. 4 and 5, the knob 130 is provided with a connecting slot 131, the pin 123 includes a second connecting portion 124, the second connecting portion 124 is a non-revolving body, and the second connecting portion 124 is cooperatively connected with the connecting slot 131. The cross section of the connecting slot 131 is a non-revolving body, for example, the connecting slot 131 may be polygonal, or the connecting slot 131 may include an arc-shaped and planar sidewall, and the cross section of the second connecting portion 124 is adapted to the cross section of the connecting slot 131, so that when the connecting slot 131 is matched with the second connecting portion 124, no relative rotation occurs.

According to some embodiments of the present application, as shown in fig. 12 and 13, the knob 130 may include a sleeve 132 and a grip portion 133. The sleeve 132 may be sleeved outside the pin shaft 123, and the handle portion 133 may be connected to the sleeve 132 and extend in a direction away from the first axis.

The sleeve 132 may be sleeved outside the pin shaft 123, and a connection groove 131 may be formed in the sleeve 132, where the connection groove 131 is used to be connected with the connection portion 124 on the pin shaft 123 in a matching manner, and the specific setting manner of the connection groove 131 and the second connection portion 124 may refer to the foregoing embodiment, which is not described herein. The second connecting portion 124 is driven to rotate by rotating the sleeve 132 to drive the connecting arm 121 to rotate.

The handle portion 133 links to each other with sleeve 132, and the sleeve 132 is located outward to the handle portion 133, and extends to the direction that deviates from first axis, and handle portion 133 and sleeve 132 fixed connection, the user can be through stirring handle portion 133 and then drive sleeve 132 rotation, makes the rotation of knob 130 more laborsaving, convenient to use person's operation.

According to some embodiments of the present application, one of the connection arm 121 and the door body 110 may be provided with a latch hook rotation shaft 125, and the other may be provided with a shaft hole pivotally engaged with the latch hook rotation shaft 125.

The connecting arm 121 can rotate relative to the door body 110 by providing the latch hook rotating shaft 125 and the shaft hole matched with the latch hook rotating shaft 125. It is understood that the axes of the shackle rotation shaft 125 and the shaft bore coincide with the first axis.

In an example, as shown in fig. 5 and 14, the door body 110 is provided with a shaft hole, and the connecting arm 121 is provided with a latch hook rotating shaft 125 matched with the shaft hole.

In another example, the door body 110 is provided with a latch hook rotating shaft 125, and the connecting arm 121 is provided with a shaft hole matched with the latch hook rotating shaft 125.

In the present embodiment, the latch hook rotation shaft 125 or shaft hole and the pin shaft 123 are located at opposite sides of the connection arm 121, so that the connection arm 121 is connected with the door body 110 in a mating manner, and the connection arm 121 is connected with the knob 130 in a mating manner.

As shown in fig. 2, 6-9, 11, 15 and 16, according to some embodiments of the present application, the back plate 112 of the first bezel 114 may be provided with a back plate avoidance groove 113 along the back plate, the connection arm 121 penetrates the back plate avoidance groove 113, and the hook 122 protrudes from the door body 110.

The back plate 112 of the first frame 114 is provided with a back plate avoiding groove 113 for the connecting arm 121 to penetrate, the back plate 112 of the first frame 114 is used for being abutted against the front plate 152 of the host 150, and the hook 122 extends out of the door 110 through the back plate avoiding groove 113 so as to be matched with the front plate 152 of the host 150 for locking, so that locking and fixing of the door assembly are realized.

It is understood that the size of the back plate avoidance groove 113 is not smaller than the movable range of the latch hook 120 between the first position and the second position, so as to ensure that the latch hook 120 can move to the first position and the second position in the back plate avoidance groove 113.

In this embodiment, the first axis extends vertically, and the end portion of the latch hook 120 is rotatably disposed along the lateral direction, so that the distance between two lateral walls of the back plate avoidance groove 113 in the lateral direction is not smaller than the maximum space occupied when the latch hook 120 is in the first position and the second position. That is, the latch hook 120 may be abutted or spaced from one lateral wall of the escape slot in the first position, and the latch hook 120 may be abutted or spaced from the other lateral wall of the escape slot in the second position.

According to some embodiments of the present application, as shown in fig. 2 and 11, the door body 110 includes a door frame body 111 and a door housing 115.

The door frame body 111 is used for being connected with the host 150 in a pivotable manner, the door frame body 111 is provided with a plurality of frames, the back plates 112 of the frames are connected with each other to form the back plates 112 of the door frame body 111, the back plates 112 of the door frame body 111 are provided with back plate avoiding grooves 113, the frames comprise first frames 114, the back plate avoiding grooves 113 are correspondingly arranged on the back plates 112 of the first frames 114, and at least part of the lock hooks 120 extend out of the back plate avoiding grooves 113 to be locked and limited with the host 150.

In this embodiment, the door housing 115 may be installed outside the door frame body 111, and the door housing 115 may have a relief opening 116, and the latch hook 120 or the knob 130 penetrates the relief opening 116.

The door housing 115 is mounted on the outer side of the door frame body 111, the door frame body 111 is used for supporting the door housing 115, the door housing 115 is used for protecting the door frame body 111, and the peripheral edge flanging of the door housing 115 is connected with the peripheral edge of the backboard 112 of the door frame body 111 so as to cover the frame in the door housing 115.

The door housing 115 is provided with a relief opening 116, and the latch hook 120 or the knob 130 penetrates through the relief opening 116, so that an operation part which can be operated by a person is arranged outside the door housing 115. The present embodiment is explained below from two realizable points of view.

1. The latch hook 120 penetrates the relief opening 116:

the latch hook 120 may be provided with a pin shaft 123, where the axis of the pin shaft 123 coincides with the first axis, the pin shaft 123 is disposed to extend outwards through the avoidance opening 116, and the knob 130 is disposed outside the door housing 115, so that the pin shaft 123 of the latch hook 120 is cooperatively connected with the connection slot 131 on the knob 130, so that the person can drive the latch hook 120 to rotate when rotating the knob 130. The knob 130 can be made larger in cross-sectional dimension than the dodging port 116, and the dodging port 116 is covered by the knob 130 to prevent dust from entering the door housing 115 through the dodging port 116.

2. Knob 130 extends through relief port 116:

the knob 130 may penetrate through the avoidance opening 116 from outside to inside to be connected with the latch hook 120 in a matching manner, and at least a portion of the knob 130 is located outside the door housing 115 for manual operation, and the knob 130 may be fixed in a matching manner with the latch hook 120 through a pin hole, a threaded connection or an adhesive connection, and the connection manner is not limited herein. By extending the knob 130 into the avoidance port 116, the knob 130 is more stable to be mounted, and is not easy to fall off.

The application also discloses a cooking appliance 100.

In some embodiments, as shown in fig. 1, 2, 10 and 11, the cooking appliance 100 includes a main machine 150 and a door assembly as any of the above.

The main body 150 has a cooking cavity 151.

The main unit 150 may be used to cook food through temperature control and time control, and the cooking cavity 151 may be used as a holding container and door assembly to provide a closed environment for food.

The door body 110 of the door assembly is openably and closably mounted to the main machine 150, the latch hook 120 is locked with the main machine 150 of the cooking appliance 100 in the case of the first position, and the latch hook 120 is unlocked with the main machine 150 of the cooking appliance 100 in the case of the second position.

It should be noted that the cooking apparatus 100 may include, but is not limited to, a microwave oven, an oven, a steaming and baking all-in-one machine, etc., for example, in some embodiments, as shown in fig. 1, 2, 10 and 11, the cooking apparatus 100 is a microwave oven.

In actual implementation, the user may put food to be cooked into the cooking cavity 151, after the food is cooked, the user may rotate the knob 130 to enable the latch hook 120 to start rotating from the first position until the latch hook 120 reaches the second position, at this time, the first lock of the cooking appliance 100 is released, the user holds the door handle, and may pull the door body 110 outwards with a small force, and as the second lock is released, the door body 110 and the main machine 150 of the cooking appliance 100 may be unlocked correspondingly, the user may take out the cooked food after opening the door body 110, and then the user may directly hold the door handle, push the first frame 114 towards the main machine 150 until the latch hook 120 and the main machine 150 are locked again.

According to the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the door assembly, the double-layer lock design is utilized, and a user is required to complete two-step unlocking to realize door opening, so that the risk that a child is scalded when opening and touching heated food and beverage is reduced; meanwhile, the child lock is simple in integral structure, convenient and quick to operate and low in cost, and the practicability and economy of the device are greatly improved.

In some embodiments, as shown in fig. 6-9, 15 and 16, the front plate 152 of the host 150 may be provided with a locking groove 153, and the latch hook 120 may be adapted to extend into the locking groove 153 to lock with the front plate 152.

In this embodiment, as shown in fig. 6-9, 15 and 16, the cross-sectional dimension of the locking slot 153 may be slightly larger than the distance between the first position and the second position, and when the latch hook 120 is locked with the host 150, the hook 122 extends into the locking slot 153, and the latch hook 120 is at the first position, and the hook 122 may abut against the front plate 152; in the case that the latch hook 120 is unlocked from the host 150, the hook body 122 extends into the locking groove 153, the latch hook 120 body 122 is in the second position, and the hook body 122 is not overlapped with the front plate 152.

According to the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the locking groove 153, a connecting piece matched with the lock hook 120 is not required, and the hook body 122 is directly supported on the edge of the locking groove 153 in a slotting way of the front plate 152, so that the connecting structure is simpler and lighter, and the cost control is realized on the premise of not influencing the reliability of the child lock structure.

According to some embodiments of the present application, as shown in fig. 7 and 9, the front plate 152 may be provided with a front plate flange 154, and one end of the front plate flange 154 may be connected with one side edge of the locking groove 153.

The front plate flange 154 can be formed by folding a plate formed during stamping of the locking groove 153, when the locking groove 153 is machined, the front plate 152 can be machined in a punching mode, the plate with the same cross section size as the locking groove 153 can be formed after punching, the plate can be directly bent to form the front plate flange 154, the machining is simple and convenient, the front plate flange 154 is attached to the front plate 152, and the effect of enhancing the structural strength of a corresponding area can be achieved.

In the present embodiment, as shown in fig. 6, 7 and 15, the front plate flange 154 is disposed overlapping the first region of the front plate 152, the latch hook 120 faces the first region in the case of the first position, and the latch hook 120 is adapted to lock with the front plate flange 154.

The hook body 122 of the latch hook 120 abuts against the front plate 152 to achieve a locking function, when the latch hook 120 is at the first position, the lock body corresponds to the first area of the front plate 152, that is, the lock body abuts against the first area of the front plate 152, and the flange 154 of the front plate is overlapped with the first area of the front plate 152, so that the structural strength of the first area is enhanced, and the stability of the locking structure is improved.

According to some embodiments of the present application, the door assembly may have a door hook, and the front plate 152 of the main body 150 may have a catching groove 155, and the door hook is engaged with the catching groove 155.

The door assembly is further provided with a door hook, the front plate 152 of the host 150 is provided with a clamping groove 155, the door hook and the clamping groove 155 are matched in a clamping manner to realize a second lock of the door assembly, and after the control lock hook 120 is unlocked, the door body 110 is required to be pulled to separate the door hook from the clamping groove 155 to realize a second unlocking operation, so that the door assembly can be completely opened.

In some embodiments, the door hook is movably mounted on the door body 110 and extends toward the front plate 152 of the host 150, the hook portion of the door hook can elastically move in the up-down direction, and a guiding slope is provided in the slot 155. When the door assembly is closed, the end part of the clamping hook is abutted with the edge of the clamping groove 155 to push the door hook to move upwards and enter the clamping groove 155 to be clamped and limited with the clamping groove 155. When the door assembly is opened, the latch hook 120 is firstly unlocked, then the door body 110 is pulled, and the guide slope in the clamping groove 155 applies upward thrust to the clamping hook of the door hook to enable the clamping hook to move upwards and gradually separate from the clamping groove 155, so that the door opening action is realized.

In other embodiments, the door hook may be a buckle fixedly mounted on the door body 110, and the clamping groove 155 is provided with a resiliently arranged clamping hook, and the specific structure of the resiliently arranged clamping hook may refer to a cooking appliance commonly used in the market and will not be described in detail herein.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In the description of the application, a "first feature" or "second feature" may include one or more of such features.

In the description of the present application, "plurality" means two or more.

In the description of the application, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the application, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A door assembly of a cooking appliance, comprising:

a door body;

2. The cooking appliance door assembly of claim 1, wherein the first rim is a rim opposite the pivot axis of the door body.

3. The cooking appliance door assembly of claim 2, wherein the door body has a pivot axis located at a lower rim of the door body, the first rim is an upper rim of the door body, and the latch hook is vertically pivotally mounted to the first rim.

4. A door assembly of a cooking appliance according to any one of claims 1-3, wherein the latch hook comprises:

a hook connected to the connecting arm and spaced apart from the first axis.

5. The cooking appliance door assembly of claim 4, wherein the shackle further comprises:

6. The cooking appliance door assembly of claim 5, wherein the knob comprises:

the sleeve is sleeved outside the pin shaft;

7. The cooking appliance door assembly according to claim 5, wherein one of the connecting arm and the door body is provided with a latch hook rotating shaft, and the other is provided with a shaft hole pivotally matched with the latch hook rotating shaft, and the latch hook rotating shaft or the shaft hole and the pin shaft are positioned on two opposite sides of the connecting arm.

8. The cooking appliance door assembly of claim 4, wherein the back plate of the first frame is provided with a back plate avoidance groove, the connecting arm penetrates through the back plate avoidance groove, and the hook body extends out of the door body.

9. The cooking appliance door assembly of claim 8, wherein the door body comprises:

10. A cooking appliance, comprising:

a main body having a cooking cavity;

the door assembly of any one of claims 1-9, a door body of the door assembly being openably and closably mounted to the main machine, the latch hook being latched with the main machine of the cooking appliance in a first position and the latch hook being unlatched with the main machine of the cooking appliance in a second position.

11. The cooking appliance of claim 10, wherein the front plate of the main body is provided with a locking groove, and the locking hook is adapted to extend into the locking groove to be locked with the front plate.

12. The cooking appliance of claim 11, wherein the front plate is provided with a front plate flange, one end of the front plate flange is connected to one side edge of the locking groove, the front plate flange is overlapped with the first area of the front plate, the latch hook is opposite to the first area in the case of the first position, and the latch hook is adapted to be locked with the front plate flange.

13. The cooking appliance according to any one of claims 10 to 12, wherein the door assembly has a claw, and the front plate of the main body has a clamping groove, and the claw is used for clamping with the clamping groove.