CN220522370U

CN220522370U - Door assembly of cooking utensil and cooking utensil

Info

Publication number: CN220522370U
Application number: CN202321918308.5U
Authority: CN
Inventors: 王坤茂; 黄兴忠; 张静静; 王亚健; 王善贵
Original assignee: Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-02-23
Anticipated expiration: 2033-07-19

Abstract

The application discloses cooking utensil's door subassembly and cooking utensil belongs to the household appliances field. A door assembly of a cooking appliance, comprising: a door body; a door handle mounted to the door body; the locking hook is pivotally arranged on the door body around the pivot axis between a first position and a second position, at least part of the locking hook extends out of the backboard of the door body, the locking hook is suitable for locking with a main machine of the cooking appliance under the condition of the first position, and the locking hook is suitable for unlocking with the main machine of the cooking appliance under the condition of the second position; and the operating piece is pivotally arranged on the door handle around a pivot axis, a first end of the operating piece extends out of the door handle, and a second end of the operating piece is contacted with the lock hook and is used for driving the lock hook to rotate from a first position to a second position. According to the door assembly that this application provided, the door assembly can be opened to the twice operation just, can prevent that children from touching by mistake and open the door assembly, reduces children by the inside high temperature food scald of cooking utensil or put into dangerous goods's risk in the cooking utensil.

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 cooking utensil's door subassembly and cooking utensil, need control operating piece drive latch hook unblock earlier when opening the door, and the pulling door subassembly makes its and host computer separation again, and the operation just can open the door subassembly twice, can prevent that children from touching by mistake and open the door subassembly, reduces children by the inside high temperature food scald of cooking utensil or put into dangerous article's risk in the cooking utensil, and switch easy operation.

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

a door body;

a door handle mounted to the door body;

a latch hook pivotally mounted to the door body about a pivot axis between a first position and a second position, at least a portion of the latch hook extending from a back plate of the door body, the latch hook being adapted to latch with a main machine of the cooking appliance in the case of the first position, the latch hook being adapted to unlatch with the main machine of the cooking appliance in the case of the second position;

And the operating piece is pivotally arranged on the door handle around a pivot axis, a first end of the operating piece extends out of the door handle, and a second end of the operating piece is contacted with the lock hook and is used for driving the lock hook to rotate from a first position to a second position.

According to the door assembly provided by the embodiment of the application, the lock hook and the operating piece are arranged to enable the door assembly to be locked with the main machine of the cooking appliance through the lock hook, the operating piece is required to be controlled to drive the lock hook to unlock when the door is opened, the door assembly is pulled to be separated from the main machine, the door assembly can be opened through two times of operation, the door assembly can be prevented from being opened through false touch by children, the risk that the children are scalded by food at high temperature inside the cooking appliance or dangerous articles are put into the cooking appliance is reduced, and the opening and the closing operation are simple.

According to one embodiment of the application, the pivot axis of the latch hook is parallel to the pivot axis of the operating member.

According to one embodiment of the present application, the operating member includes:

an operating portion, at least part of which protrudes from the door handle;

a connecting arm, a first end of which is connected with the operation part;

the driving part is connected with the second end of the connecting arm, is contacted with the lock hook and is used for driving the lock hook to rotate from the first position to the second position.

According to one embodiment of the present application, the connecting arm includes:

the first sub-arm and the second sub-arm are respectively located at two sides of the first rotating shaft of the operating piece, the operating part is connected to the first sub-arm, the driving part is connected to the second sub-arm, under a normal state, the distance from the first sub-arm to the rear inner wall of the cavity where the first sub-arm is located is larger than the distance from the first sub-arm to the front inner wall of the cavity where the first sub-arm is located, and the distance from the second sub-arm to the front inner wall of the cavity where the second sub-arm is located is larger than the distance from the second sub-arm to the rear inner wall of the cavity where the second sub-arm is located.

According to one embodiment of the present application, the door handle includes:

the handle seat is arranged on the door body;

the handle cover is arranged on one side, away from the door body, of the handle seat, and the operating part extends out of the front surface of the handle cover.

According to one embodiment of the application, the handle cover is provided with a first avoidance port, the operation part is provided with a limiting boss, the limiting boss is positioned on the inner side of the handle cover, and the size of the operation part at the limiting boss is larger than that of the first avoidance port.

According to one embodiment of the present application, further comprising:

the first reset piece is elastically connected between the operation part and the door handle and is used for driving the operation part to reset.

According to one embodiment of the present application, a driving surface is disposed on a side, close to the latch hook, of the driving portion, and the latch hook is provided with a thrust surface that abuts against the driving surface.

According to one embodiment of the present application, the latch hook includes:

the lock hook main body is pivotally mounted on the door body and is provided with a thrust surface which is abutted against the operating piece;

the hook body is arranged on the lock hook main body and used for locking or unlocking with the host.

According to one embodiment of the present application, further comprising:

the second reset piece is elastically connected between the door body and the lock hook main body, and the axis of the second reset piece is staggered with the pivot axis of the lock hook.

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 above, wherein the door body of the door assembly is openably and closably mounted to the host, the latch hook is locked with the host in a first position, and the latch hook is unlocked with the host in a second position.

According to one embodiment of the present application, further comprising:

the locking box, the locking box install in the host computer, the front side of locking box has the opening, at least part of latch hook stretches into from the opening the locking box, the latch hook is in the first position the condition with the front bezel locking of locking box.

According to one embodiment of the application, the front side of the front plate and the back side of the hook body of the latch hook are both provided with guide surfaces.

According to one embodiment of the application, the door body is pivotally mounted to the host, the pivot axis of the door body is located at the lower part of the door body, and the locking hook and the locking box are located at the upper parts of the door body and the host, respectively.

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 present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

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

fig. 2 is an exploded view of a cooking appliance provided in an embodiment of the present application;

Fig. 3 is a cross-sectional view of a cooking appliance provided by an embodiment of the present application;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a cross-sectional view of a door handle of a door assembly of a cooking appliance provided by an embodiment of the present application;

fig. 6 is an exploded view of a door handle of a door assembly of a cooking appliance provided in an embodiment of the present application.

Reference numerals:

cooking appliance 10, main unit 100, lock case 110, front plate 111, and opening 112;

door body 200, door handle 210, handle cover 211, mounting seat 2111, rotation groove 2112, handle seat 212, door housing 220, back plate 230, and second escape opening 231;

the latch hook 300, the latch hook main body 310, the thrust surface 311, the second guide structure 312, the hook body 320 and the second reset piece 330;

the operation member 400, the operation portion 410, the first guide structure 411, the connection arm 420, the first sub-arm 421, the second sub-arm 422, the driving portion 430, the driving surface 431, and the first reset member 440.

Detailed Description

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

A door assembly of a cooking appliance and a cooking appliance according to an embodiment of the present application are described below with reference to fig. 1 to 6.

The present embodiment provides a door assembly of a cooking appliance 10, as shown in fig. 1 to 6, the door assembly of the cooking appliance 10 includes a door body 200, a door handle 210, a latch hook 300, and an operating member 400.

As shown in fig. 1 to 3, the door body 200 is configured to be opened and closed on the main machine 100 of the cooking appliance 10 to form a cooking cavity with the main machine 100 of the cooking appliance 10, and can perform functions of heat preservation and heat insulation. In some examples, the door 200 may further be provided with a perspective window to facilitate viewing of the state of food in the main body 100; the door body 200 may also be provided with a control panel for controlling the operation of the electric appliances in the host 100.

As shown in fig. 1-3, the latch hook 300 may be used to lock the door body 200 and the host 100, and the latch hook 300 may be made of metal or plastic, for example, in some embodiments, the latch hook 300 is made of plastic, wherein the plastic may include, but is not limited to, PP (Polypropylene), POM (polyoxymethylene), PC (Polycarbonate).

As shown in fig. 1-6, the latch hook 300 is pivotally mounted to the door body 200 about a pivot axis between a first position, in which at least a portion of the latch hook 300 extends from the back plate 230 of the door body 200, and a second position, in which the latch hook 300 is adapted to be locked with the main machine 100 of the cooking appliance 10, and in which the latch hook 300 is adapted to be unlocked with the main machine 100 of the cooking appliance 10.

As shown in fig. 1 to 6, the latch hook 300 is rotatably mounted on the door body 200 about a pivot axis, when the latch hook 300 moves to the first position, the latch hook 300 can be locked with the main machine 100 of the cooking apparatus 10 to limit, and the door assembly is in a locked state and cannot be opened; when the latch hook 300 is moved to the second position, the latch hook 300 is unlocked and disengaged from the main machine 100 of the cooking appliance 10, and the door assembly is in an unlocked state and can be opened.

As shown in fig. 2, the back plate 230 of the door body 200 is a panel of the door body 200 facing the side of the host 100, at least a portion of the latch hook 300 extends from the back plate 230 of the door body 200, and a portion of the latch hook 300 extending from the back plate 230 is used for locking and limiting with the front plate 111 of the host 100, and the front plate 111 of the host 100 is used for abutting against the back plate 230 of the door body 200.

As shown in fig. 2, the door body 200 may include a door housing 220 and a back plate 230, the door housing 220 is mounted on the outer side of the back plate 230, the back plate 230 is provided with a second avoiding opening 231, at least a portion of the latch hook 300 extends from the second avoiding opening 231 of the back plate 230 and is locked with the host 100, and by setting the latch hook 300 to extend from the back plate 230 of the door body 200, the front and side surfaces of the door body 200 are not protruded, and the appearance is more attractive. In addition, after the door body 200 is opened, since the side of the door body 200 does not have a protruding portion, the latch hook 300 is prevented from accidentally injuring a human body.

As shown in fig. 2, the size of the second avoidance opening 231 is not smaller than the movement range of the latch hook 300 between the first position and the second position, so as to ensure that the latch hook 300 can move to the first position and the second position in the second avoidance opening 231.

As shown in fig. 1 to 3, the door handle 210 is mounted to the door body 200, and a user can open the door body 200 by pulling the door handle 210 when opening the door assembly, thereby facilitating the opening of the door assembly.

As shown in fig. 2-6, the operating member 400 is pivotally mounted to the door handle 210 about a pivot axis, a first end of the operating member 400 extends from the door handle 210, and a second end of the operating member 400 contacts the shackle 300 for driving the shackle 300 from the first position to the second position.

As shown in fig. 3, 5 and 6, the door handle 210 includes a handle seat 212 and a handle cover 211, where the handle seat 212 and the handle cover 211 are detachably connected, for example, an inner wall surface of the handle cover 211 has a plurality of slots arranged at intervals, two sides of the handle seat 212 are provided with a plurality of clamping blocks corresponding to the slots, and the handle seat 212 and the handle cover 211 can be connected through plug-in cooperation of the clamping slots and the clamping blocks, so as to facilitate installation of the handle cover 211.

As shown in fig. 3, 5 and 6, after the handle seat 212 is connected to the handle cover 211, a cavity for installing the operation member 400 is formed in the handle cover 211, a mounting groove is formed in a side of the handle cover 211 adjacent to the handle seat 212, a mounting seat 2111 is formed in the mounting groove, the mounting seat 2111 has two rotation grooves 2112 spaced apart from each other in a height direction of the main unit 100, and the two rotation grooves 2112 are all disposed around a pivot axis of the operation member 400, and a first rotation shaft of the operation member 400 is pivotally installed in the rotation grooves 2112.

As shown in fig. 2 to 6, the first end of the operating member 400 extends from the door handle 210, the pivot axis of the operating member 400 is staggered from the first end of the operating member 400, when the door assembly is unlocked, only a hand is required to be placed on the door handle 210 to press the first end of the operating member 400, so that the first end of the operating member 400 rotates around the pivot axis of the operating member 400, the second end of the operating member 400 drives the latch hook 300 to rotate from the first position to the second position during rotation, at this time, the latch hook 300 is unlocked from the main machine 100 of the cooking appliance 10, the door assembly can be opened by continuously pulling the door handle 210, and the operation is simple, and the two unlocking actions can be completed by one hand.

As shown in fig. 1 and 2, the door handle 210 may be installed at a side of the door body 200 opposite to the pivot axis of the door body 200, the latch hook 300 may be disposed near the door handle 210, for example, the pivot axis of the door body 200 is at the lower side of the door body 200, the door handle 210 is installed at the upper side of the front surface of the door body 200, the latch hook 300 is installed at the upper end of the back plate 230 of the door body 200 to reduce the path of the latch hook 300 to the door handle 210, thereby reducing the production cost, the door handle 210 and the latch hook 300 may be disposed in other manners, by disposing the door body 200 to be opened downward, pulling downward according to the operation habit of manpower is easier, and the door body 200 may be used to hold food after being opened, and food may be prevented from falling when the food is scalded.

It should be noted that, the lock hook 300 of the present application may be a safety lock of the cooking apparatus 10, that is, the lock hook 300 is a first lock of the cooking apparatus 10, a user may not release the first lock by directly pulling a door, and the cooking apparatus 10 itself has an elastic door lock, which is a second lock of the cooking apparatus 10, and the user may release the elastic door lock by pulling a door handle outwards with a small force.

In actual implementation, the latch hook 300 is in the first position, where the latch hook 300 is locked with the host 100, and the user cannot open the door assembly by directly pulling the door handle 210; when the door is opened, the operation member 400 is manually controlled, and the latch hook 300 is driven to rotate to the second position, so that the latch hook 300 and the host 100 are in an unlocking state, and the first unlocking is completed. And then the door assembly is pulled to unlock and separate the elastic door lock between the door body 200 and the host 100, so as to realize the second unlocking, and after the unlocking is operated for two times, the door assembly completes the opening action.

According to the door assembly provided by the embodiment of the application, the lock hook 300 and the operating piece 400 are arranged to lock the door assembly with the main machine 100 of the cooking appliance 10 through the lock hook 300, when the door is opened, the operating piece 400 is controlled to drive the lock hook 300 to unlock, then the door assembly is pulled to separate from the main machine 100, the door assembly can be opened through two operations, the door assembly can be prevented from being opened through false touching by children, the risk that the children are scalded by high-temperature food inside the cooking appliance 10 or dangerous articles are put into the cooking appliance 10 is reduced, and the opening and closing operations are simple.

In some embodiments, as shown in fig. 3, 5 and 6, the pivot axis of the shackle 300 is parallel to the pivot axis of the operator 400.

As shown in fig. 3, 5 and 6, the pivot axis of the latch hook 300 and the pivot axis of the operating member 400 may be axes disposed along a vertical direction, and the pivot axis of the latch hook 300 and the pivot axis of the operating member 400 may be axes disposed along a horizontal direction or other directions.

In the actual implementation process, the pivot axis of the latch hook 300 and the pivot axis of the operation member 400 are both axes arranged along the vertical direction, when the user presses the first end of the operation member 400, the operation member 400 integrally rotates around the pivot axis of the operation member 400 in the horizontal direction, and when the operation member rotates, the latch hook 300 is driven to rotate around the pivot axis of the latch hook 300 to the second position in the horizontal direction through the second end of the operation member 400, so that the latch hook 300 and the host 100 are unlocked.

Because the pivot axis of the latch hook 300 is parallel to the pivot axis of the operating member 400, the latch hook 300 and the operating member 400 can be integrally located on the same plane, and the latch hook 300 or the operating member 400 can be contacted with each other without turning, so that the overall volume of the latch hook 300 and the operating member 400 can be reduced, the space occupied by the latch hook 300 and the operating member 400 can be reduced, the overall volume of the door assembly can be reduced, and meanwhile, the production cost can be reduced to a certain extent.

In some embodiments, as shown in fig. 3-6, the manipulator 400 includes a manipulator portion 410, a linkage arm 420, and a drive portion 430.

As shown in fig. 3 to 6, at least a portion of the operation portion 410 extends from the door handle 210, the portion of the operation portion 410 extending from the door handle 210 may have a cylindrical structure, a rectangular structure or other shape, and a surface of the operation portion 410 located outside the door handle 210 may have a smooth plane or arc surface, so as to avoid being scratched by the surface of the operation portion 410 located outside the door handle 210 when the operation portion 410 is pressed, thereby improving the safety of using the door assembly.

As shown in fig. 3 to 6, the first end of the connection arm 420 is connected to the operation portion 410, the driving portion 430 is connected to the second end of the connection arm 420, the operation portion 410, the connection arm 420 and the driving portion 430 may be integrally formed, the production efficiency may be improved, the installation steps may be simplified, the power transmission effect may be improved, and the operation portion 410, the connection arm 420 and the driving portion 430 may be separately formed and then connected into a whole by adhesion, snap-fit or other means.

As shown in fig. 3 to 6, the driving portion 430 is in contact with the latch hook 300, and is used for driving the latch hook 300 to rotate from the first position to the second position, and the driving portion 430 may have a hook-shaped structure, an inverted L-shaped structure, or other shape structures.

As shown in fig. 3 to 6, when the driving part 430 is located at the left side of the pivot axis of the operation member 400, if the operation member 400 is configured to rotate counterclockwise when the latch hook 300 is driven to rotate from the first position to the second position, the inner side surface of the driving part 430 may be disposed to contact the latch hook 300; if the operation member 400 is provided to be rotated clockwise when the latch hook 300 is driven to rotate from the first position to the second position, the top surface or the outer side surface of the driving part 430 may be provided to be in contact with the latch hook 300.

As shown in fig. 3 to 6, when the driving part 430 is located at the right side of the pivot axis of the operation member 400, if the operation member 400 is configured to rotate counterclockwise when the driving latch hook 300 rotates from the first position to the second position, the top surface or the outer side surface of the driving part 430 may be configured to contact the latch hook 300; if the operation member 400 is provided to rotate clockwise when the latch hook 300 is driven to rotate from the first position to the second position, the inner side surface of the driving part 430 may be provided to contact the latch hook 300.

Taking the example that the driving part 430 is located at the left side of the pivot axis of the operation member 400 and the operation member 400 is configured to be rotated counterclockwise when the latch hook 300 is driven to rotate from the first position to the second position, in the actual implementation, the user presses the operation member 410 to rotate the operation member 400 counterclockwise about the pivot axis thereof as a whole, and at this time, the driving part 430 moves obliquely downward with respect to the pivot axis of the operation member 400, and since the inner side surface of the driving part 430 contacts the latch hook 300, the driving part 430 applies an obliquely downward pressure to the latch hook 300 when rotating, thereby pushing the latch hook 300 to rotate clockwise about the pivot axis thereof from the first position to the second position, that is, the transmission process between the operation member 400 and the latch hook 300 is the same as the gear transmission.

Through setting the operation piece 400 as the operation part 410, the connecting arm 420 and the driving part 430, and the operation part 410 and the driving part 430 are respectively positioned at two ends of the connecting arm 420, the connecting arm 420 can be used as a lever, the operation part 410 at one end is driven to drive the driving part 430 at the other end to move, the operation mode is simple, the acting force of a user pressing the operation part 410 can be reduced, the door body 200 is convenient to open, in addition, the transmission process between the operation piece 400 and the lock hook 300 is set to be the same as the gear transmission, the structure is simple, the transmission efficiency can be improved, and the unlocking speed can be improved.

In some embodiments, as shown in fig. 3 to 6, the connection arm 420 includes a first sub-arm 421 and a second sub-arm 422, where the first sub-arm 421 and the second sub-arm 422 are respectively located at two sides of the first rotation axis of the operation member 400, the operation portion 410 is connected to the first sub-arm 421, the driving portion 430 is connected to the second sub-arm 422, and in a normal state, a distance from the first sub-arm 421 to a rear inner wall of the cavity where the first sub-arm 421 is located is greater than a distance from the first sub-arm 421 to a front inner wall of the cavity where the second sub-arm 422 is located, and a distance from the second sub-arm 422 to a front inner wall of the cavity where the second sub-arm 422 is located is greater than a distance from the second sub-arm 422 to a rear inner wall of the cavity where the second sub-arm is located.

As shown in fig. 3 to 6, the first sub-arm 421 may have a linear structure, a wavy structure, or other shape structures, two ends of the first sub-arm 421 are respectively connected to the first rotating shaft of the operating member 400 and the operating portion 410, and the first sub-arm 421 is located at a side of the first rotating shaft of the operating member 400 away from the latch hook 300.

As shown in fig. 3 to 6, the second sub-arm 422 may have an L-shaped structure, or may have a linear structure or other shape structures, two ends of the second sub-arm 422 are respectively connected to the driving part 430 and the first rotation axis of the operation member 400, and the second sub-arm 422 is located at one side of the first rotation axis of the operation member 400, which is close to the latch hook 300, and the second sub-arm 422 is configured in an L-shaped structure, so that the second sub-arm 422 is configured according to the shape of the door handle 210, and the structure is simple.

As shown in fig. 3 to 6, after the handle cover 211 and the handle seat 212 of the door handle 210 are connected to form a cavity for installing the operation member 400, the handle cover 211 is located at the front side of the operation member 400, the handle seat 212 is located at the rear side of the operation member 400, the distance from the first sub-arm 421 to the handle cover 211 is greater than the distance from the first sub-arm 421 to the handle seat 212, and the distance from the second sub-arm 422 to the handle seat 212 is greater than the distance from the second sub-arm 422 to the handle cover 211.

In actual implementation, when the operating member 400 rotates counterclockwise to drive the latch hook 300 to unlock, the first sub-arm 421 moves upward with respect to the first rotation axis of the operating member 400, and the second sub-arm 422 moves downward with respect to the first rotation axis of the operating member 400.

By setting the distance from the first sub-arm 421 to the rear inner wall of the cavity where the first sub-arm 421 is located to be greater than the distance from the first sub-arm 421 to the front inner wall of the cavity where the second sub-arm 422 is located to be greater than the distance from the second sub-arm 422 to the rear inner wall of the cavity where the second sub-arm 422 is located, the overall thickness of the door handle 210 can be reduced while ensuring that the first sub-arm 421 and the second sub-arm 422 have sufficient rotation space, thereby reducing the volume occupied by the door handle 210.

It should be noted that, the distance from the first sub-arm 421 to the rear inner wall of the cavity where the second sub-arm 422 is located is greater than the distance from the first sub-arm 421 to the front inner wall of the cavity where the second sub-arm 422 is located, and the distance from the second sub-arm 422 to the front inner wall of the cavity where the second sub-arm 422 is located is greater than the distance from the second sub-arm 422 to the rear inner wall of the cavity where the second sub-arm 422 is located can be achieved by staggering the extending directions of the first sub-arm 421 and the second sub-arm 422 in the front-back direction.

As shown in fig. 3 to 6, at least a portion of the first sub-arm 421 is located at the front side of the second sub-arm 422, for example, the first sub-arm 421 is connected to the front half portion of the first rotation axis of the operation member 400, the second sub-arm 422 is connected to the rear half portion of the first rotation axis of the operation member 400, and the side surface of the first sub-arm 421 near the handle seat 212 and the side surface of the second sub-arm 422 near the handle cover 211 are in the same plane.

By arranging the first sub-arm 421 and the second sub-arm 422 in the above manner, the structure is simple, and the front-rear distance between the first sub-arm 421 and the second sub-arm 422 is minimized while securing sufficient rotation space of the first sub-arm 421 and the second sub-arm 422, thereby further reducing the thickness of the door handle 210.

It should be noted that, the distance from the first sub-arm 421 to the rear inner wall of the cavity where the second sub-arm 422 is located is greater than the distance from the first sub-arm 421 to the front inner wall of the cavity where the second sub-arm 422 is located, and the distance from the second sub-arm 422 to the rear inner wall of the cavity where the second sub-arm 422 is located may be implemented in other manners.

In some embodiments, as shown in fig. 3, 5 and 6, the door handle 210 includes a handle base 212 and a handle cover 211,

as shown in fig. 3, 5, and 6, the pull cup 212141 may be mounted to the door 200110. The pull seat 212141 may be fixedly mounted to the door housing 220115 by bolts, the pull cover 211143 is mounted to a side of the pull seat 212141 facing away from the door body 200110, the operating portion 410 can slide at the pull cover 211,

as shown in fig. 3, 5 and 6, the handle cover 211143 is mounted on a side of the handle seat 212141 facing away from the door body 200110, and is fixedly connected with the handle seat 212141 by a bolt, an end surface of the operating portion 410150 facing away from the door body 200 may be flush with a surface of the handle cover 211143 to ensure aesthetic property, and an end surface of the operating portion 410150 facing away from the door body 200 may be arc-shaped to match with a shape of an outer surface of the handle cover 211143. Or the operation portion 410150 may protrude at least partially from the handle cover 211143 so that a person can manually operate the portion of the operation portion 410150 protruding from the handle cover 211143.

As shown in fig. 3, 5 and 6, the operation part 410 protrudes from the front surface of the handle cover 211, and the operation part 410 may protrude from the front surface of the handle cover 211 at the left part or from the front surface of the handle cover 211 at the middle part or other parts.

By extending the operation portion 410 from the front surface of the handle cover 211, it is possible to facilitate the user's view and control of the operation portion 410, and to facilitate the user's pressing of the operation portion 410 while pulling the door handle 210.

In some embodiments, as shown in fig. 1-3, 5 and 6, the handle cover 211 has a first relief opening, the operation portion 410 has a limit boss located inside the handle cover 211, and the size of the operation portion 410 at the limit boss is larger than the size of the first relief opening.

As shown in fig. 1 to 3, 5 and 6, the handle cover 211 may be provided with a first avoidance opening, and the operation portion 410 may be partially disposed through the first avoidance opening, so as to be convenient for a person to manually operate. The operation portion 410 has a limiting boss, and is located at an inner side of the handle cover 211, and the limiting boss is used for abutting against the inner side of the handle cover 211. To prevent the operation portion 410 from slipping off the first relief opening, the size of the operation portion 410 at the limit boss is larger than the size of the first relief opening.

The limit boss may be provided in a complete circle along the circumference of the operation part 410, or one or more limit bosses may be provided in the circumference of the inner portion of the handle cover 211 of the operation part 410.

By providing the operation portion 410 with a stopper boss, the length of the operation portion 410 extending from the front surface of the handle cover 211 can be restricted, and the entire operation portion 410 is prevented from sliding out of the handle cover 211.

In some embodiments, as shown in fig. 3, 5 and 6, the door assembly of the cooking appliance 10 further includes a first reset element 440, the first reset element 440 is elastically connected between the operating portion 410 and the door handle 210, and the first reset element 440 is used to drive the operating portion 410 to reset.

As shown in fig. 3, 5 and 6, the first restoring member 440 is elastically coupled between the operating part 410 and the door handle 210 to apply an elastic force to the operating part 410 to restore the operating part 410. When the hand leaves the operation portion 410, the operation portion 410 returns to the initial position under the driving of the first reset element 440.

As shown in fig. 3, 5 and 6, the first restoring member 440 may be a tension spring, a compression spring or other elastic members, and when the first restoring member 440 is a compression spring, the first restoring member 440 is elastically connected between the back surface of the operation part 410 and the handle seat 212; when the first restoring member 440 is a tension spring, the first restoring member 440 is elastically connected between the front surface of the operating portion 410 and the handle cover 211, the front surface of the operating portion 410 is a side surface of the operating portion 410 away from the door body 200, and the back surface of the operating portion 410 is a side surface of the operating portion 410 close to the door body 200.

As shown in fig. 3, 5 and 6, the end of the operating portion 410, which is used to be connected to the first restoring member 440, is provided with a first guiding structure 411, and the first guiding structure 411 may be a cross rib, a cylindrical rib or other shape structure, so as to avoid elastic deformation of the first restoring member 440 in other directions.

In the actual implementation process, the operation part 410 protrudes from the front surface of the handle cover 211 at the initial position, when the user presses the operation part 410 to unlock the latch hook 300 and the host 100, the operation part 410 is retracted to the inside of the handle cover 211 or is flush with the handle cover 211, and the first reset element 440 is elastically deformed under the action force of the operation part 410; when the user releases the operation part 410 to lock the latch hook 300 and the host 100, the operation part 410 returns to the initial position by the resilience of the first reset member 440, i.e., the operation part 410 protrudes from the front surface of the handle cover 211 at this time.

By providing the first resetting member 440, the operation portion 410 can be automatically reset, and the structure is simple, and the resetting speed of the operation portion 410 can be improved by providing the first resetting member 440 as a tension spring or a compression spring.

In some embodiments, as shown in fig. 4, a driving surface 431 is disposed on a side of the driving portion 430 adjacent to the latch hook 300, and the latch hook 300 is provided with a thrust surface 311 that abuts against the driving surface 431.

As shown in fig. 4, the driving surface 431 and the thrust surface 311 are both disposed obliquely, and the driving surface 431 and the thrust surface 311 may be disposed in parallel or may be disposed to intersect.

In an actual implementation process, when a user drives the latch hook 300 to rotate through the operation member 400, the driving surface 431 of the driving portion 430 gives a driving force to the thrust surface 311 of the latch hook 300, so that the latch hook 300 rotates relative to the second rotation axis of the latch hook 300, and at the same time, the driving surface 431 of the driving portion 430 slides obliquely upward relative to the thrust surface 311 of the latch hook 300, and the thrust surface 311 slides obliquely downward relative to the driving surface 431.

By providing the driving surface 431 on the driving portion 430 and providing the thrust surface 311 that abuts against the driving surface 431 on the latch hook 300, the driving portion 430 can be facilitated to drive the latch hook 300 to perform a rotational motion, and meanwhile, the driving surface 431 and the thrust surface 311 are disposed in parallel, so that a contact area between the driving surface 431 and the thrust surface 311 can be increased, and an abutting stability between the driving surface 431 and the thrust surface 311 can be improved.

In some embodiments, as shown in fig. 3, 5, and 6, the shackle 300 includes a shackle body 310 and a shackle body 320.

As shown in fig. 3, 5 and 6, the latch hook main body 310 is pivotally mounted on the door body 200, the latch hook main body 310 is mounted on the door body 200 through a second rotating shaft, the latch hook main body 310 is provided with a thrust surface 311, the second rotating shaft and the thrust surface 311 can be disposed at two opposite sides of the latch hook main body 310, for example, the second rotating shaft is mounted at the left side of the latch hook main body 310, and the thrust surface 311 is disposed at the right side of the latch hook main body 310.

As shown in fig. 3, 5 and 6, the hook body 320 is mounted on the latch hook body 310, and is used for locking or unlocking with the host 100, the hook body 320 extends from the back of the door body 200 and is locked or unlocked with the host 100, the hook body 320 and the latch hook body 310 may be integrally formed, and the hook body 320 and the latch hook body 310 may be separately formed and then integrally connected by adhesion, fastening or other means.

Through setting up latch hook main part 310 and coupler body 320, accessible latch hook main part 310 provides certain intensity for coupler body 320, avoids coupler body 320 to take place to damage at the multiple unblock and locking in-process, sets up second pivot and thrust surface 311 in latch hook main part 310 relative both sides simultaneously, can make latch hook main part 310 form the arm of force that has certain length to can reduce the effort that can make latch hook main part 310 pivoted.

In some embodiments, as shown in fig. 3, 5 and 6, the door assembly of the cooking appliance 10 further includes a second restoring member 330, the second restoring member 330 is elastically connected between the door body 200 and the latch hook main body 310, and an axis of the second restoring member 330 is offset from a pivot axis of the latch hook 300.

As shown in fig. 3, 5 and 6, the second restoring member 330 is elastically connected between the door body 200 and the latch hook body 310 to apply an elastic force to the latch hook body 310, so that the latch hook body 310 is maintained in the first position. When the hand leaves the operation part 410, the latch hook main body 310 is kept at the first position by the driving of the second reset element 330.

As shown in fig. 3, 5 and 6, the second restoring element 330 may be a tension spring, a compression spring or other elastic members, and since the latch hook main body 310 rotates clockwise when unlocked, when the second restoring element 330 is a compression spring, the second restoring element 330 is elastically connected between the left side of the latch hook main body 310 and the door body 200; when the second restoring member 330 is a tension spring, the second restoring member 330 is elastically connected between the right side of the latch hook main body 310 and the door body 200.

As shown in fig. 3, 5 and 6, the latch hook main body 310 is provided with a second guide structure 312 at a side for connecting with the second restoring member 330, and the second guide structure 312 may be a cross rib, a cylindrical rib or other shape structure to avoid elastic deformation of the second restoring member 330 in other directions.

In the actual execution process, when the latch hook 300 and the host 100 are unlocked, the latch hook body 310 rotates under the action of the driving part 430, and the second reset element 330 is elastically deformed in the process of rotating the latch hook body 310; when the latch hook 300 and the host 100 are locked, the user releases the operation part 410, the operation part 400 is reset entirely, that is, the force of the operation part 410 to the latch hook 300 disappears, at this time, the latch hook main body 310 rotates to the first position in the counterclockwise direction under the resilience of the second reset part 330, and is kept at the first position under the resilience of the second reset part 330, at this time, the latch hook 300 is locked with the host 100.

By arranging the second resetting piece 330, the latch hook main body 310 can be automatically reset, and the structure is simple, and the resetting speed of the latch hook main body 310 can be improved by arranging the second resetting piece 330 as a tension spring or a compression spring.

The present application further provides a cooking appliance 10, as shown in fig. 1 and 2, the cooking appliance 10 includes a main machine 100 and a door assembly according to any one of the embodiments, a door body 200 of the door assembly is openably and closably mounted on the main machine 100, a latch hook 300 is locked with the main machine 100 in a first position, and the latch hook 300 is unlocked with the main machine 100 in a second position.

As shown in fig. 1 and 2, the main machine 100 has a cooking cavity, and the main machine 100 can be used for cooking food through temperature control and time control, and the cooking cavity can be used as a holding container to be matched with a door assembly to provide a closed environment for food.

As shown in fig. 1 and 2, the door body 200 of the door assembly is openably and closably mounted to the main body 100, and the latch hook 300 is latched with the main body 100 of the cooking appliance 10 in the case of the first position, and is unlatched with the main body 100 of the cooking appliance 10 in the case of the second position of the latch hook 300.

It should be noted that the cooking apparatus 10 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, the cooking apparatus 10 is a microwave oven.

In practical implementation, a user may put food to be cooked into the cooking cavity, after the food is cooked, the user may press the operation portion 410 to enable the latch hook 300 to start rotating from the first position until the latch hook 300 reaches the second position, at this time, the first lock of the cooking appliance 10 is released, the user holds the door handle, and may pull the door body 200 outwards with a small force, and as the second lock is released, the door body 200 and the main machine 100 of the cooking appliance 10 may be unlocked correspondingly, the user may take out the cooked food after opening the door body 200, and then the user may directly hold the door handle, push the door body 200 towards the main machine 100 until the latch hook 300 and the main machine 100 are locked again.

According to the cooking utensil 10 provided by the embodiment of the application, through the arrangement of the door assembly, the double-layer lock design is utilized, a user is required to complete two-step unlocking to realize door opening, and the danger that a child is opened and contacts heated food or beverage to be scalded 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. 3, 5 and 6, the cooking appliance 10 further includes a locking box 110, the locking box 110 is mounted to the main machine 100, a front side of the locking box 110 has an opening 112, at least a portion of the latch hook 300 extends into the locking box 110 from the opening 112, and the latch hook 300 is locked with the front plate 111 of the locking box 110 in the first position.

As shown in fig. 3, 5 and 6, the lock box 110 has a cavity, the front end surface of the cavity is an opening 112, the hook body 320 of the lock hook 300 extends into the cavity of the lock box 110, when the lock hook 300 is located at the first position, the front surface of the hook body 320 abuts against the back surface of the front plate 111 of the lock box 110 in the front-rear direction, and at this time, the door body 200 cannot rotate forward relative to the host 100; when the latch hook 300 is at the second position, the hook body 320 is separated from the front plate 111 and the hook body 320 is completely located at the opening 112 of the locking box 110, at which time the user pulls the door handle 210, and the hook body 320 can be moved out of the opening 112 of the locking box 110, thereby opening the door body 200.

It should be noted that, the front surface of the hook 320 is the side surface of the hook 320 close to the door 200, and vice versa, the back surface of the front plate 111 is the side surface of the front plate 111 away from the door 200, and vice versa, the front surface of the front plate 111.

By arranging the locking box 110 and the opening 112, the structure is simple, the locking and unlocking modes are simple, and the contact between the locking box 110 and the lock hook 300 during locking is stable.

In some embodiments, as shown in fig. 3, 5 and 6, both the front surface of the front plate 111 and the back surface of the hook body 320 of the latch hook 300 are provided with guide surfaces.

As shown in fig. 3, 5 and 6, it can be understood that if the front surface of the front plate 111 and the back surface of the hook body 320 are both blocks without guide surfaces, when a user opens and closes the door, the corners of the front plate 111 and the corners of the hook body 320 are easily blocked, and at this time, the hook body 320 is difficult to separate from or lock with the front plate 111.

In actual implementation, when the user needs to close the door body 200, the user may directly hold the door handle 210 to push the door body 200 toward the host 100, in the locking process, the guiding surface on the back of the hook body 320 abuts against the guiding surface on the front of the front plate 111, and based on the characteristic of the inclined plane, the hook body 320 may be pushed into the host 100 smoothly, i.e. the front of the hook body 320 is attached to the back of the front plate 111, and the latch hook 300 and the host 100 are locked again, i.e. the user closing motion may realize automatic locking of the child lock.

According to the cooking utensil 10 provided by the embodiment of the application, through the arrangement of the guide surface, the characteristics of the inclined surface are utilized, the interference force of the surface characteristics of the hook body 320 and the front plate 111 to the locking and unlocking processes is reduced to the minimum, the difficulty of opening and closing the door of a user is greatly reduced, and meanwhile, the smoothness of operation is improved.

In some embodiments, the door body 200 is pivotably mounted to the host 100, the pivot axis of the door body 200 is located at a lower portion of the door body 200, and the latch hook 300 and the latch case 110 are located at upper portions of the door body 200 and the host 100, respectively.

As shown in fig. 1 and 2, the door body 200 may be a pull-down door body, and a rotation pin is mounted at a lower end of the door body 200 and is pivotally connected to a lower side of a front end of the main body 100, i.e., the door body 200 may be rotated downward or upward with respect to the main body 100 about the rotation pin to open or close the cooking cavity.

As shown in fig. 1 and 2, a locking box 110 is provided at an upper end of a front side of a host 100, a latch hook 300 is provided at a position of an upper end of a door body 200 corresponding to the locking box 110, the latch hook 300 is extended from the upper end of the host 100 toward the door body 200,

according to the cooking utensil 10 provided by the embodiment of the application, the door body 200 is pulled downwards, the locking box 110 and the lock hook 300 are arranged on the upper portion of the cooking utensil 10, so that a user can conveniently take food from the cooking cavity, meanwhile, the first lockset can be provided with a certain height, and the probability that a child can touch the lock hook 300 is reduced.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects 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 not limited to the number of objects, e.g., 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 "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "circumferential," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.

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

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

In the description of this 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 by another feature therebetween.

In the description of this 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 indicating 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 present 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 principles and spirit 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;

a door handle mounted to the door body;

2. The cooking appliance door assembly of claim 1, wherein a pivot axis of the shackle is parallel to a pivot axis of the operating member.

3. The door assembly of a cooking appliance according to claim 1 or 2, wherein the operating member comprises:

an operating portion, at least part of which protrudes from the door handle;

a connecting arm, a first end of which is connected with the operation part;

4. A door assembly of a cooking appliance according to claim 3, wherein the connecting arm comprises:

5. A door assembly of a cooking appliance according to claim 3, wherein the door handle comprises:

The handle seat is arranged on the door body;

6. The cooking appliance door assembly of claim 5, wherein the handle cover has a first relief opening, the operating portion has a limit boss, the limit boss is located inside the handle cover, and a size of the operating portion at the limit boss is greater than a size of the first relief opening.

7. The cooking appliance door assembly of claim 3, further comprising:

8. A door assembly of a cooking appliance according to claim 3, wherein the driving part is provided with a driving surface on a side close to the locking hook, and the locking hook is provided with a thrust surface which is abutted with the driving surface.

9. The door assembly of a cooking appliance according to claim 1 or 2, wherein the latch hook comprises:

10. The cooking appliance door assembly of claim 9, further comprising:

11. A cooking appliance, comprising:

a main body having a cooking cavity;

the door assembly of any of claims 1-10, a door body of the door assembly being openably and closably mounted to the host, the latch hook being latched to the host in a first position and the latch hook being unlatched from the host in a second position.

12. The cooking appliance of claim 11, further comprising:

13. The cooking appliance of claim 12, wherein a front surface of the front plate and a back surface of the hook body of the latch hook are each provided with a guide surface.

14. The cooking appliance of claim 13, wherein the door body is pivotally mounted to the main body, a pivot axis of the door body is located at a lower portion of the door body, and the locking hook and the locking box are located at upper portions of the door body and the main body, respectively.