CN116624029A - Door assembly of cooking utensil and cooking utensil - Google Patents

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 appliance includes: a door body; the locking hook is rotatably arranged on the first frame of the door body around the first 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 first axis is parallel to the normal line of the side surface of the first frame, 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; 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; and the operation part is connected with the lock hook and is at least used for driving the lock hook to rotate from the first position to the second position, and at least part of the operation part is spaced from the first axis. Through the arrangement of the lock hook, the operation part and the reset piece, the children are prevented from being scalded by touching the heated food after the door body is opened by pulling.

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 generally, and the user directly pulls open the handle, can open cooking utensil's door body for open the door simple and convenient, but such mode of opening the door makes children under the circumstances that does not have the adult guardianship, opens cooking utensil's door body very easily, thereby exists the risk of being scalded by the food of inside high temperature or puts into dangerous article 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 door assembly of the cooking appliance and the cooking appliance are provided, so that the children are prevented from being scalded due to touching heated food after the door body is opened by pulling, and the safety and reliability of the whole cooking appliance are improved.

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

a door body;

the locking hook is rotatably arranged on the first frame of the door body around a first 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 first axis is parallel to the normal line of the side surface of the first frame, the locking hook is suitable for locking with a main machine of the cooking appliance in the case of the first position, and the locking hook is suitable for unlocking with the main machine of the cooking appliance in the case of 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;

and the operation part 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, and at least part of the operation part is spaced from the first axis.

According to the door assembly of the cooking utensil, through the arrangement of the lock hook, the operation part and the reset piece, a mechanical child lock structure is added on the basis of an original door opening system, so that the whole door opening action can be finished only by releasing the child lock before the door opening action is finished, the child is prevented from being scalded due to the fact that the child touches heated food after opening the door body, and the safety and the reliability of the whole cooking utensil are improved.

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 mounted on the first frame in a vertical rotation mode.

According to one embodiment of the application, the backboard of the first frame is provided with a backboard avoidance groove, and the lock hook extends out of the backboard avoidance groove;

one of the lock hook and the door body is provided with a lock hook rotating shaft, and the other is provided with a shaft hole which is in pivot fit with the lock hook rotating shaft.

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, and the door frame body is provided with one of the lock hook rotating shaft and the shaft hole;

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 penetrates through the avoidance opening and is connected with the operation part positioned outside the door shell body.

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

the lock hook main body extends out of the back plate avoidance groove, and one end of the lock hook main body is provided with a hook body for locking with the host;

the lock hook rotating shaft is connected with the lock hook main body;

the connecting section is connected with the other end of the lock hook main body, and the operating part is connected with the connecting section;

the first connecting portion is connected with the latch hook main body, and the reset piece is connected with the first connecting portion.

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

a main body having a cooking cavity;

as any one of the door assemblies, the door body of the door assembly is openably and closably mounted on the main machine, the latch hook is locked with the main machine of the cooking appliance under the condition of a first position, and the latch hook is unlocked with the main machine of the cooking appliance under the condition of a second position.

According to the cooking utensil, through the arrangement of the door assembly, a 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 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.

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 door hook, the front plate of the host has a clamping groove, and the door hook 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 an exploded schematic view of a cooking appliance according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of B in FIG. 1;

fig. 3 is a schematic structural view of a cooking appliance according to an embodiment of the present application;

fig. 4 is a schematic structural view of an operation part of a cooking appliance according to an embodiment of the present application;

fig. 5 is one of schematic structural views of a latch hook of a cooking apparatus according to an embodiment of the present application;

fig. 6 is a second schematic structural view of a latch hook of a cooking apparatus according to an embodiment of the present application;

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

fig. 8 is a second schematic assembly view of a latch hook of a cooking apparatus in a first position according to an embodiment of the present application;

fig. 9 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. 10 is a second schematic diagram illustrating an assembly of a latch hook of a cooking apparatus in a second position according to an embodiment of the present application.

Reference numerals:

cooking utensil 100, operating portion 130, reset piece 140;

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

the device comprises a lock hook 120, a lock hook main body 121, a hook body 122, an axle hole 123, a first connecting part 124, a connecting section 125 and a lock hook rotating shaft 151;

host 160, cooking chamber 161, front plate 162, locking groove 163, front plate flange 164, and clamping groove 165.

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.

The present application discloses a door assembly of a cooking appliance 100.

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 10.

In some embodiments, as shown in fig. 1, a door assembly of a cooking appliance 100 includes: the door body 110, the latch hook 120, the reset element 140 and the operation part 130.

The door body 110 may be used to block the cooking cavity 161 to provide a closed cooking environment for food, the door body 110 may have a transparent window, the transparent window may be used to observe the state of the food being cooked, a handle may be provided on an outer panel of the door body 110, and the handle may be used to facilitate a user to pull the door body 110.

The latch hook 120 is rotatably mounted to the first rim 112 of the door body 110 about a first axis, which is parallel to a normal line of a side surface of the first rim 112, and a second position, in which the latch hook 120 is adapted to be locked with the main body 160 of the cooking appliance 100, and at least a portion of the latch hook 120 protrudes from the back plate of the door body 110, and in which the latch hook 120 is adapted to be unlocked with the main body 160 of the cooking appliance 100.

The latch hook 120 may be used to lock the door body 110 and the host 160, 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), or the like.

As shown in fig. 1, a portion of the latch hook 120 may be located in the door body 110, and another portion of the latch hook 120 may extend through the back plate of the door body 110 and into the main body 160 of the cooking appliance 100, such that at least a portion of the latch hook 120 is locked with the main body 160 of the cooking appliance 100.

It is understood that the latch hook 120 may rotate about the first axis, specifically, in a case where the latch hook 120 is locked with the main machine 160 of the cooking apparatus 100, the latch hook 120 is at the first position of the first frame 112, and the latch hook 120 may rotate about the first axis toward the second position of the first frame 112 until the latch hook 120 is unlocked with the main machine 160 of the cooking apparatus 100.

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.

As shown in fig. 2, the door frame 111 may be provided with a connection post, one end of the reset element 140 may be connected to the connection post, the other end of the reset element 140 may be connected to the latch hook 120, and the reset element 140 may be in a stretched state, and the latch hook 120 may be kept in a locked state with the host 160 by a pulling force of the reset element 140.

The restoring member 140 may be a spring or an elastic rubber sleeve, which is not limited herein.

The operating portion 130 is connected to the latch hook 120, the operating portion 130 is at least used for driving the latch hook 120 to rotate from the first position to the second position, and at least part of the operating portion 130 is spaced apart from the first axis.

The connection between the operation portion 130 and the latch hook 120 may include, but is not limited to, an interference connection, an integral molding, or an adhesive, for example, in some embodiments, the connection between the operation portion 130 and the latch hook 120 is an interference connection.

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

In practical implementation, the operation portion 130 may be at least partially exposed to the outside for convenience of user operation, when the door 110 needs to be opened to take out food after cooking, the door 110 is in a closed state and the latch hook 120 is located at the first position, the user may toggle the operation portion 130 to rotate the latch hook 120 around the first axis, during this process, the reset element 140 located between the connection post and the latch hook 120 is continuously extended 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 handle, and pulls the door 110 outwards with a smaller force, and as the second lock is released, the door 110 and the main machine 160 of the cooking appliance 100 may also be correspondingly unlocked.

After the door is opened, the user can release the operation part 130, after the manpower applied to the latch hook 120 to overcome the elastic force disappears, the latch hook 120 can rotate from the second position to the first position around the first axis, in this process, the reset piece 140 between the connection post and the latch hook 120 is continuously shortened, the elastic force applied to the latch hook 120 by the reset piece 140 is continuously reduced until the latch hook 120 returns to the first position, and under the condition that the user needs to close the door body 110, based on the design of elastic connection, the user can directly hold the handle to push the first frame 112 towards the host 160 until the latch hook 120 and the host 160 are locked again, that is, the user door closing action can realize automatic locking of the child lock.

In the related art, in order to prevent the child from opening the door by mistake, some cooking apparatuses are also provided with a child lock structure, the child lock structure is mounted on the door body, at least part of the child lock structure extends out of a side plate of the door body and is clamped with a main machine of the cooking apparatus, and meanwhile, an operation part of the child lock structure is arranged below a front plate of the door body.

However, in practical application, the above scheme has a few drawbacks: because the child lock structure is positioned on the side plate of the door body, the side plate of the door body needs to be grooved for the child lock structure to extend out, so that impurities and dirt are easy to enter the door body, and the difficulty of cleaning the cooking utensil is increased; secondly, the operation part is arranged on the front plate facing the user, and the height of the operation part is lower, so that children can easily touch the operation part, and the protection effect of the child lock is slightly weakened.

In this embodiment, at least part of the latch hook 120 protrudes from the back plate of the door body 110, and compared with the above-mentioned scheme in which the latch hook 120 protrudes from the side plate of the door body 110, in daily use, impurities and dirt are not easy to enter the door body 110, so as to facilitate the cleaning work of the cooking appliance 100; secondly, the operation portion 130 is located above the door body 110, and since the operation portion 130 is not directly facing the user, and the height of the operation portion 130 is large, it is difficult for a child to easily access the operation portion 130, so that the safety of the child lock structure is ensured.

According to the door assembly of the cooking appliance 100 provided by the embodiment of the application, due to the arrangement of the lock hook 120, the operation part 130 and the reset piece 140, a mechanical child lock structure is added on the basis of the original door opening system, so that the whole door opening action can be finished only by rotating to release the child lock before the door opening action is finished, the heated food is prevented from being scalded after the child opens the door body 110, and the safety and reliability of the whole cooking appliance 100 are improved.

In some embodiments, as shown in fig. 1-3, the first frame 112 may be a frame opposite the pivot axis of the door body 110.

In this embodiment, as shown in fig. 1 to 3, the pivot axis may be a rotation axis between the door 110 and the main unit 160, the first frame 112 may be detachably connected to the main unit 160, the pivot axis may be opposite to the first frame 112, during the unlocking process of the door 110, the user dials the operation portion 130, the operation portion 130 may drive the latch hook 120 to rotate around a direction perpendicular to the pivot axis of the door 110 until the latch hook 120 rotates from the first position to the second position, after unlocking the child lock structure, the handle on the door 110 is pulled, the first frame 112 may be disengaged from the main unit 160 of the cooking apparatus 100, and the door 110 may rotate around the pivot axis, that is, the first frame 112 may rotate around the pivot axis.

Note that, in the case where the door assembly is a sliding door, the first frame 112 is in a horizontal direction, and correspondingly, the first axis is in a vertical direction; in the case of a side-pull door, the first direction is vertical and, correspondingly, the first axis is horizontal.

According to the door assembly of the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the rotation direction of the lock hook 120 and the mode of arranging the lock on the opposite side of the pivot axis, the lock hook 120 can rotate back and forth around the direction perpendicular to the pivot axis, the operation part 130 is stirred to finish preliminary unlocking, and the operation difficulty of a user is reduced; meanwhile, the overall structure has high circulating strength and strong durability, so that the service life can be prolonged.

In some embodiments, as shown in fig. 1 and 3, the pivot axis of the door body 110 may be located at the lower frame of the door body 110, the first frame 112 may be the upper frame of the door body 110, and the latch hook 120 may be rotatably mounted to the first frame 112 around the vertical direction.

In actual implementation, based on the fact that the pivot axis of the door body 110 is located at the lower frame of the door body 110, considering the door opening force of the user, the handle may be installed at a position of the door body 110 close to the upper frame, in case that the door body 110 needs to be opened to take out food after the food is cooked, the user may toggle the operation part 130, the operation part 130 may drive the latch hook 120 to rotate around the up-down direction until the latch hook 120 rotates from the first position to the second position, at this time, the first lock of the cooking appliance 100 is released, the user holds the handle and pulls the door body 110 with a small force, the first frame 112 may be separated from the main machine 160 of the cooking appliance 100, and the first frame 112 may rotate around the pivot axis, and as the second lock is released, the door body 110 and the main machine 160 of the cooking appliance 100 may also be unlocked correspondingly.

Alternatively, the pivot axis of the door body 110 may be located at the left side frame or the right side frame of the door body 110, the first side frame 112 may be disposed at the opposite side of the pivot axis, in an actual implementation, the user may toggle the operation portion 130, the operation portion 130 may drive the latch hook 120 to rotate around the left and right direction until the latch hook 120 rotates from the initial position to the unlocking position, at this time, the first lock of the cooking apparatus 100 is released, the user holds the handle and pulls the door body 110 with a small force, the first side frame 112 may be separated from the main machine 160 of the cooking apparatus 100, and the first side frame 112 may rotate around the pivot axis to the left side or the right side, and as the second lock is released, the door body 110 and the main machine 160 of the cooking apparatus 100 may also be correspondingly unlocked.

According to the door assembly of the cooking utensil 100 provided by the embodiment of the application, through the unlocking structure design of the downward door, the space occupied by the whole cooking utensil 100 is smaller, the volume utilization rate is improved, and the whole layout is convenient; meanwhile, the door body 110 of the sliding door type can be used as a scalding food for transition and just cooking, so that a user can conveniently take and put the food, and the experience of the whole machine is optimized.

In some embodiments, as shown in fig. 2, 7 and 9, the back plate of the first frame 112 may be provided with a back plate avoidance groove 115, and the latch hook 120 may extend from the back plate avoidance groove 115; one of the latch hook 120 and the door body 110 may be provided with a latch hook rotation shaft 151, and the other may be provided with a shaft hole 123 pivotally engaged with the latch hook rotation shaft 151.

It will be appreciated that, as shown in fig. 2, the latch hook 120 may extend through the back plate chute, at least a portion of the latch hook 120 may extend out of the back plate chute to reach the host 160 and be locked with the host 160, the door body 110 may be provided with a latch hook rotating shaft 151, the latch hook 120 may be provided with a shaft hole 123, or the latch hook 120 may be provided with a latch hook rotating shaft 151, and the door body 110 may be provided with a shaft hole 123.

According to the door assembly of the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the back plate avoidance groove 115, the lock hook rotating shaft 151 and the shaft hole 123, the directional rotation of the lock hook 120 is realized, so that the rotation of the lock hook 120 is more stable; meanwhile, the positioning precision is high in the rotation process, the abrasion is small, and the positive effect is achieved on prolonging the service life of parts.

In some embodiments, as shown in fig. 1, the door 110 may include: a door frame body 111 and a door housing 113.

The back plate of the door frame body 111 can be provided with a back plate avoiding groove 115, and the door frame body 111 can be provided with one of a lock hook rotating shaft 151 and a shaft hole 123; the door housing 113 may be installed at an outer side of the door frame body 111, and the door housing 113 may have a dodge port 114, the latch hook 120 may penetrate the dodge port 114, and the latch hook 120 may be connected with an operating part 130 located at an outer side of the door housing 113.

In this embodiment, as shown in fig. 1 and 4, the latch hook 120 may penetrate through the back plate chute of the door frame 111, and a portion of the latch hook 120 may extend into the main unit 160 of the cooking apparatus 100, another portion of the latch hook 120 may extend out of the escape opening 114 of the door housing 113, and the operation portion 130 may be nested on the latch hook 120 extending out of the escape opening 114, where the operation portion 130 is located above the escape opening 114, and when the user dials the operation portion 130, the latch hook 120 may rotate back and forth within the limit range of the back plate chute.

According to the door assembly of the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the door frame body 111 and the door shell 113 and the design of the back plate sliding groove and the avoiding opening 114, the child lock structure can be normally locked and unlocked, meanwhile, the whole structure is simple in design, the connection mode is flexible and smooth, and the use feeling and the experience feeling of a user are improved.

In some embodiments, as shown in fig. 5-6, shackle 120 may include: the latch hook body 121, the latch hook rotation shaft 151, the connection section 125, and the first connection part 124.

The latch hook body 121 may protrude from the back plate escape groove 115, and one end of the latch hook body 121 may be provided with a hook body 122 for locking with the host 160; the latch hook rotation shaft 151 may be connected to the latch hook body 121.

It may be appreciated that, as shown in fig. 5 to 6, the latch hook rotating shaft 151 and the latch hook main body 121 may be integrally formed, the latch hook rotating shaft 151 may be disposed at one end of the latch hook main body 121, the hook body 122 may be disposed at the other end of the latch hook main body 121, and the hook body 122 may face in a direction parallel to the first frame 112.

The connection section 125 may be connected to the other end of the latch hook body 121, and the operation part 130 may be connected to the connection section 125.

As shown in fig. 5 to 6, the operation surface of the operation portion 130 needs to be parallel to the installation surface on the premise of convenience for the user, and if the operation section is vertical, the operation surface of the operation portion 130 cannot be parallel to the installation surface, and therefore the operation section is bent.

In this embodiment, the connection section 125 may extend out of the avoidance port 114 of the door housing 113, and the operation portion 130 may be nested on the connection section 125 extending out of the avoidance port 114, where the operation portion 130 is located above the avoidance port 114, and when the user dials the operation portion 130, the operation portion 130 may drive the latch hook 120 to rotate around the vertical direction through the connection section 125.

The first connection portion 124 may be connected with the latch hook body 121, and the reset element 140 may be connected with the first connection portion 124.

In this embodiment, as shown in fig. 2 and 5 to 6, the first connecting portion 124 may be disposed in the same direction as the hook 122, one end of the restoring member 140 may be engaged with the connecting post, the other end of the restoring member 140 may be hooked with the first connecting portion 124, and the restoring member 140 may apply a tensile force to the latch hook 120 by the first connecting portion 124.

According to the door assembly of the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the lock hook rotating shaft 151 and the first connecting part 124, the rotation phenomenon of the lock hook rotating shaft 151 is prevented by utilizing an integrated design, and the reliability of the overall design is enhanced; meanwhile, the reset piece 140 is matched with the first connecting part 124, so that the elastic reset of the latch hook 120 is realized, the mechanical performance of the latch hook 120 is not greatly affected in the cyclic reciprocating motion, and the stability of the whole child lock structure is improved.

The application also discloses a cooking appliance 100.

In some embodiments, as shown in fig. 1 and 3, the cooking appliance 100 includes: host 160 and a door assembly as any of the above.

Host 160 has cooking chamber 161.

Host 160 may be used to effect cooking of food by temperature control and time control, host 160 may include an interior cavity and an enclosure, the interior cavity may define a cooking cavity, and cooking cavity 161 may be configured to provide a closed environment for food in cooperation with a door assembly as a holding container.

The door body 110 of the door assembly is openably and closably mounted to the main machine 160, the latch hook 120 is locked with the main machine 160 of the cooking appliance 100 in the first position, and the latch hook 120 is unlocked with the main machine 160 of the cooking appliance 100 in 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 and 3, the cooking apparatus 100 is a microwave oven.

In actual implementation, the user may put food to be cooked into the cooking cavity 161, after the food is cooked, the user may manipulate the operation portion 130, so that the latch hook 120 rotates around the first axis from the first position until the latch hook 120 reaches the second position, at this time, the first lock of the cooking apparatus 100 is released, the user holds the handle, and may pull the door 110 outwards with a small force, and as the second lock is released, the door 110 and the main machine 160 of the cooking apparatus 100 may be correspondingly unlocked, the user may take out the cooked food after opening the door 110, and then the user may directly hold the handle, and push the first frame 112 toward the main machine 160 until the latch hook 120 and the main machine 160 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. 8 and 10, front plate 162 of host 160 may be provided with a locking slot 163, and latch hook 120 may be adapted to extend into locking slot 163 to lock with front plate 162.

In this embodiment, as shown in fig. 8 and 10, in the case that the latch hook 120 is locked with the host 160, the hook body 122 may extend into the locking slot 163, at this time, the latch hook 120 may be in the first position, and the hook body 122 may be supported on the front plate 162; in the case where the latch hook 120 is unlocked from the host 160, the hook body 122 may extend into the locking groove 163, and the latch hook 120 may be at the second position, and the hook body 122 may not overlap the front plate 162.

According to the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the locking groove 163, 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 163 in a slotting way of the front plate 162, 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.

In some embodiments, as shown in fig. 8 and 10, the front plate 162 may be provided with a front plate flange 164, one end of the front plate flange 164 may be connected to one side edge of the locking groove 163, and the front plate flange 164 may be overlapped with a first region of the front plate 162, the latch hook 120 may be opposite to the first region in the case of the first position, and the latch hook 120 may be adapted to be locked with the front plate flange 164.

The front plate flange 164 can be formed by folding a plate formed during stamping of the locking groove 163, when the locking groove 163 is machined, the front plate 162 can be machined in a punching mode, a plate with the same cross-sectional dimension as the locking groove 163 can be formed after punching, the plate can be directly bent to form the front plate flange 164, the machining is simple and convenient, the front plate flange 164 is attached to the front plate 162, and the effect of enhancing the structural strength of a corresponding area can be achieved.

In the present embodiment, the front plate flange 164 is disposed overlapping the first area of the front plate 162, the latch hook 120 faces the first area in the first position, and the latch hook 120 is adapted to lock with the front plate flange 164.

The hook 122 of the latch hook 120 is abutted to the front plate 162 to achieve a locking function, when the latch hook 120 is at the first position, the lock corresponds to the first area of the front plate 162, that is, the lock is abutted to the first area of the front plate 162, and the front plate flange 164 is overlapped with the first area of the front plate 162 to enhance the structural strength of the first area and improve the stability of the locking structure.

In some embodiments, as shown in fig. 1, the door assembly may have a door hook, and the front plate 162 of the host 160 may have a slot 165, and the door hook may be configured to engage the slot 165.

The second lock of the door assembly is realized by the engagement and matching of the door hook and the clamping groove 165, and after the lock hook 120 is controlled to be unlocked, the door body 110 needs to be pulled to separate the door hook from the clamping groove 165 to realize the second unlocking operation, so that the door assembly can be completely opened.

In practical implementation, the door hook may be movably mounted on the door body 110 and extend toward the front plate 162 of the host 160, the hook portion of the door hook may elastically move in the up-down direction, and the guide slope is provided in the slot 165. When the door assembly is closed, the end of the hook abuts against the edge of the clamping groove 165 to push the door hook to move upwards and enter the clamping groove 165 to be clamped and limited with the clamping groove 165. 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 165 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 165, 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 slot 165 is provided with a resiliently-arranged hook, and the specific structure of the resiliently-arranged hook may refer to the cooking apparatus 100 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 "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus 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 (10)

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

a door body;

the locking hook is rotatably arranged on the first frame of the door body around a first 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 first axis is parallel to the normal line of the side surface of the first frame, the locking hook is suitable for locking with a main machine of the cooking appliance in the case of the first position, and the locking hook is suitable for unlocking with the main machine of the cooking appliance in the case of 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;

and the operation part 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, and at least part of the operation part is spaced from the first axis.

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 rotatably mounted to the first rim about a vertical direction.

4. A door assembly of a cooking appliance according to any one of claims 1-3, wherein a back plate of the first rim is provided with a back plate avoidance groove, from which the latch hook protrudes;

one of the lock hook and the door body is provided with a lock hook rotating shaft, and the other is provided with a shaft hole which is in pivot fit with the lock hook rotating shaft.

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

the backboard of the door frame body is provided with the backboard avoiding groove, and the door frame body is provided with one of the lock hook rotating shaft and the shaft hole;

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 penetrates through the avoidance opening and is connected with the operation part positioned outside the door shell body.

6. The cooking appliance door assembly of claim 4, wherein the latch hook comprises:

the lock hook main body extends out of the back plate avoidance groove, and one end of the lock hook main body is provided with a hook body for locking with the host;

the lock hook rotating shaft is connected with the lock hook main body;

the connecting section is connected with the other end of the lock hook main body, and the operating part is connected with the connecting section;

the first connecting portion is connected with the latch hook main body, and the reset piece is connected with the first connecting portion.

7. A cooking appliance, comprising:

a main body having a cooking cavity;

the door assembly of any one of claims 1-6, 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.

8. The cooking appliance of claim 7, 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.

9. The cooking appliance of claim 8, 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 lock hook is opposite to the first area in the case of the first position, and the lock hook is suitable for locking with the front plate flange.

10. The cooking appliance according to any one of claims 7 to 9, wherein the door assembly has a door hook, and the front plate of the main body has a catching groove, and the door hook is used for being caught with the catching groove.