CN220522283U - Door assembly of cooking utensil and cooking utensil - Google Patents

Abstract

The application discloses cooking utensil's door subassembly and cooking utensil belongs to domestic appliance technical field. The door assembly of the cooking appliance includes: a door body; the handle seat is arranged on the door body; a latch hook pivotally mounted to the door body about a first 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; the handle is pivotally arranged on the handle seat around a second axis, is in power coupling connection with the latch hook and is used for driving the latch hook to rotate from a first position to a second position. Through the arrangement of the handle seat, the lock hook and the handle, the child is prevented from being scalded by touching heated food after opening the door, and the safety and the reliability of the whole cooking utensil are improved.

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 application provides a cooking utensil's door subassembly and cooking utensil, prevents that children from touching after the door body is opened to touch food after the heating and scalded, helps improving whole cooking utensil's security and reliability.

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

a door body;

the handle seat is arranged on the door body;

a latch hook pivotally mounted to the door body about a first 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;

the handle is pivotally arranged on the handle seat around a second axis, is in power coupling connection with the latch hook and is used for driving the latch hook to rotate from a first position to a second position.

According to the door component of the cooking utensil, through the arrangement of the handle seat, the latch hook and the handle, a mechanical child lock structure is added on the basis of an original door opening system, so that before the door opening action is completed, the child lock is required to be released first, the whole door opening action can be completed, the child is prevented from being scalded by touching 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 pull handle includes:

a handle housing pivotally mounted to the handle seat about a second axis;

and the rotating rod is arranged on the handle shell and is in power coupling connection with the latch hook.

According to one embodiment of the application, one of the end of the pull cup and the end of the pull cup is provided with a first groove about a second axis, and the other is provided with a first protrusion which is pivotally fitted within the first groove about the second axis.

According to one embodiment of the application, the turning lever is provided with a second projection, and the pull handle seat is provided with a stop, which stops the second projection in case the pull handle is turned to the target position.

According to one embodiment of the present application, the pull cup defines a rotational slot, and the rotating lever is supported in the rotational slot.

According to one embodiment of the application, the rotating rod is hinged to the locking hook and is in sliding fit.

According to one embodiment of the present application, one of the rotating rod and the latch hook is provided with an elongated chute, and the rotating rod is connected with the latch hook through a pin shaft penetrating through the chute.

According to one embodiment of the application, the handle seat is provided with a guide groove, and two ends of the latch hook penetrate through the guide groove to be connected with the latch hook in a power coupling mode and extend out of the back face of the handle seat.

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

the lock hook arm is pivotally arranged on the door body around a first axis, and one end of the lock hook arm is in power coupling connection with the handle;

the hook body is connected to the other end of the latch hook arm and used for locking with the host.

According to one embodiment of the present application, one end of the latch hook arm is provided with a kidney-shaped chute, and the chute is hinged and slidably matched with the handle.

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

the supporting seat is arranged on the door body and is provided with a rotating shaft, and the lock hook is pivotally arranged on the rotating shaft.

According to one embodiment of the present application, the door assembly of the cooking appliance further includes:

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

According to one embodiment of the present application, the first axis is parallel to the second axis, which is parallel 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 rim of the door body, and the latch hook is adapted to latch an upper portion of the host.

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

a main body having a cooking cavity;

the door assembly is characterized in that the door body of the door assembly is arranged on the host in an openable and closable manner, the lock hook is locked with the host under the condition of a first position, and the lock hook is unlocked with the host under the condition of a second position.

According to the cooking utensil, through the arrangement of the door assembly, by means of the double-layer lock design, a user is required to complete two-step unlocking to realize door opening, so that the risk that a child is scalded due to the fact that the child opens and contacts 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 host is provided with a locking piece, and the locking hook is locked with the back surface of the locking piece in the first position.

According to one embodiment of the application, the front face of the locking piece and the back face of the hook body of the locking hook are both provided with guiding surfaces.

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 being clamped 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 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 an assembly schematic view of a latch hook of a cooking appliance in a first position according to an embodiment of the present disclosure;

fig. 2 is an assembly schematic diagram of a latch hook of a cooking appliance in a second position according to an embodiment of the present disclosure;

fig. 3 is one of schematic structural diagrams of a latch hook, a handle seat and a handle of the cooking appliance according to the embodiment of the present application;

fig. 4 is a second schematic structural view of a latch hook, a handle seat and a handle of the cooking apparatus according to the embodiment of the present disclosure;

fig. 5 is a schematic structural view of a handle of a cooking appliance according to an embodiment of the present disclosure;

fig. 6 is one of schematic structural views of a cooking appliance according to an embodiment of the present application;

fig. 7 is a second schematic structural diagram of a cooking apparatus according to an embodiment of the present disclosure.

Reference numerals:

cooking utensil 100, door 110, reset piece 160;

the handle comprises a handle seat 120, a first handle seat 121, a second handle seat 122, an upper seat 123, a lower seat 124, a first flange 125 and a guide groove 126;

the device comprises a lock hook 130, a hook body 132, a lock hook arm 132, a chute 133, a supporting seat 134 and a rotating shaft 135;

handle 140, handle shell 141, first protrusion 142, rotation rod 143, second protrusion 144, second flange 145, pin 146;

host 150, front plate 151, lock block 152.

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.

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 7.

In some embodiments, as shown in fig. 1-4, a door assembly of a cooking appliance 100 includes: the door body 110, the handle holder 120, the latch hook 130 and the handle 140.

The door body 110 may be used to block the cooking cavity to provide a closed cooking environment for food, and the door body 110 may be provided with a transparent window that may be used to observe the state of the food being cooked.

The handle seat 120 is mounted to the door body 110.

As shown in fig. 4, the handle base 120 may include an upper base 123 and a lower base 124, and the connection between the upper base 123 and the lower base 124 may include, but is not limited to, a snap connection, a threaded connection, or a rivet connection, for example, in some embodiments, the connection between the upper base 123 and the lower base 124 is a threaded connection.

The connection between the handle base 120 and the door body 110 may include, but is not limited to, a snap connection, a threaded connection, a rivet connection, etc., such as, in some embodiments, the handle base 120 is threaded with the door body 110.

The latch hook 130 is pivotally mounted to the door body 110 about a first axis between a first position, in which at least a portion of the latch hook 130 protrudes from a back plate of the door body 110, and a second position, in which the latch hook 130 is adapted to be locked with the main machine 150 of the cooking appliance 100, and in which the latch hook 130 is adapted to be unlocked with the main machine 150 of the cooking appliance 100.

The latch hook 130 may be used to lock the door body 110 and the host 150, and the latch hook 130 may be made of metal or plastic, for example, in some embodiments, the latch hook 130 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. 1-2, a portion of the latch hook 130 may be located in the door body 110 and the handle seat 120, and another portion of the latch hook 130 may penetrate through the back plate of the door body 110 and extend into the main machine 150 of the cooking appliance 100, such that at least a portion of the latch hook 130 is locked with the main machine 150 of the cooking appliance 100.

It is understood that the door body 110 may define an active space of the latch hook 130, in which the latch hook 130 may rotate back and forth, and the active space may include a first position and a second position, wherein the first position may be a position of the latch hook 130 when the door body 110 is locked with the host 150, and the second position may be a position of the latch hook 130 when the door body 110 is unlocked with the host 150, in other words, the latch hook 130 may be rotated back and forth between the first position and the second position, so as to implement locking and unlocking between the door body 110 and the host 150.

The pull handle 140 is pivotally mounted to the pull handle seat 120 about a second axis, and the pull handle 140 is in power coupling connection with the latch hook 130 for driving the latch hook 130 to rotate from the first position to the second position.

As shown in fig. 1 to 4, the handle holder 120 may include: the first and second handle holders 121 and 122 are arranged at a spaced apart position, and the handle 140 is pivotably installed between the first and second handle holders 121 and 122, and the latch hook 130 protrudes from the rear surface of the first handle holder 121.

The handle 140 may be supported between the first handle seat 121 and the second handle seat 122, and the handle 140 may rotate about a second axis relative to the first handle seat 121 and the second handle seat 122, and based on the power coupling connection of the handle 140 and the latch hook 130, rotation of the handle 140 may drive the latch hook 130 to rotate about the first axis.

It should be noted that, the lock hook 130 structure of the present application may be a safety lock of the cooking apparatus 100, that is, the lock hook 130 is a first lock of the cooking apparatus 100, a user may not release the first lock by directly pulling a door, and the cooking apparatus 100 itself has an elastic door lock, which is a second lock of the cooking apparatus 100, and the user may release the elastic door lock by pulling the handle 140 outwards with a smaller force.

In actual implementation, as shown in fig. 1-2 and fig. 6-7, 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 130 is located at the first position, the user may rotate the handle 140, and the handle 140 rotates around the second axis, so as to drive the latch hook 130 to rotate around the first axis until the latch hook 130 reaches the second position, at this time, the first lock of the cooking apparatus 100 is released, the user holds the handle 140, and can pull the door 110 outwards with a small force, and as the second lock is released, the door 110 and the main machine 150 of the cooking apparatus 100 may also be unlocked correspondingly.

According to the door assembly of the cooking utensil 100, due to the arrangement of the handle seat 120, the lock hook 130 and the handle 140, a mechanical child lock structure is added on the basis of an original door opening system, so that before the door opening action is completed, the child lock is required to be released first, the whole door opening action can be completed, the child is prevented from being scalded by touching heated food after opening the door body 110, and the safety and reliability of the whole cooking utensil 100 are improved.

In some embodiments, as shown in fig. 5, the pull handle 140 may include: a handle case 141 and a rotation lever 143.

The pull housing 141 may be pivotally mounted to the pull cup 120 about a second axis; the rotation lever 143 may be mounted to the handle case 141, and the rotation lever 143 may be coupled with the latch hook 130 by power.

As shown in fig. 5, the handle case 141 may include an upper case of the handle 140 and a lower case of the handle 140, the rotation lever 143 may be in a column shape, the rotation lever 143 may be disposed at both sides of the lower case of the handle 140, and the rotation lever 143 may rotate along the first and second handle holders 121 and 122.

During assembly, the upper handle 140 shell and the lower handle 140 shell may be fixedly connected and integrally formed, wherein the upper handle 140 shell and the lower handle 140 shell may be fixedly connected by, but are not limited to, threaded connection, keyed connection, pinned connection, riveted connection, etc., such as, in some embodiments, the upper handle 140 shell and the lower handle 140 shell are fixedly connected by a keyed connection.

In this embodiment, the latch hook 130 protrudes from the rear surface of the first handle seat 121, in other words, an end of the rotation rod 143 adjacent to the first handle seat 121 may be coupled with the latch hook 130 in a power coupling manner, the latch hook 130 penetrates the first handle seat 121, and when the user rotates the handle housing 141 while driving the rotation rod 143 to coaxially rotate, the rotation rod 143 provides power to the latch hook 130, thereby further starting the rotation of the latch hook 130.

According to the door assembly of the cooking utensil 100, through the handle shell 141 and the rotating rod 143, the operation parts of the first lock and the second lock are both concentrated on the handle 140, and power transmission is realized by utilizing the rotating rod 143, so that the integration level of the whole cooking utensil is greatly improved; meanwhile, compared with the key and knob design, the rotary handle 140 has no obvious unlocking hint, so that the probability of unlocking by children is reduced.

In some embodiments, as shown in fig. 4-5, one of the end of the handle housing 141 and the end of the handle base 120 may be provided with a first groove about a second axis, and the other may be provided with a first protrusion 142, the first protrusion 142 may be pivotally fitted within the first groove about the second axis.

The first protrusion 142 may be an arc-shaped protrusion, and the first groove may be an arc-shaped groove corresponding to the first protrusion 142, and the handle case 141 and the handle base 120 may be rotated relatively by the cooperation of the first protrusion 142 and the first groove.

In some embodiments, as shown in fig. 4-5, the end of the handle case 141 is provided with a first protrusion 142, the end of the handle seat 120 is provided with a first groove, and rotation of the handle case 141 rotates the first protrusion 142 of the end, and the first protrusion 142 rotates along the first groove, so that the handle case 141 rotates relative to the handle seat 120 along the guide of the first groove.

In other embodiments, the end of the handle case 141 is provided with a first groove, the end of the handle base 120 is provided with a first protrusion 142, and rotation of the handle case 141 rotates the first groove of the end, and the first groove rotates along the first protrusion 142, such that the handle case 141 rotates relative to the handle base 120 along the guide of the first protrusion 142.

According to the door assembly of the cooking utensil 100, through the arrangement of the first protrusion 142 and the first groove, the directional rotation of the lock hook 130 is realized, the sensitivity is high, the friction resistance is small, and the sliding stability of the lock hook 130 is greatly improved; meanwhile, the positioning precision is high, the movement is light, the abrasion is small, and the positive effect is achieved on prolonging the service life of parts.

In some embodiments, as shown in fig. 4-5, the rotation lever 143 may be provided with a second protrusion 144, and the pull cup 120 may be provided with a stop that may stop the second protrusion 144 in the event that the pull 140 is rotated to the target position.

The second protrusions 144 may be irregular square protrusions, and the second protrusions 144 may be provided on the wall surface of the rotation rod 143 and protrude in the radial direction.

It will be appreciated that if the rotating lever 143 is not provided with the second protrusion 144 and the pull seat 120 is not provided with the stop portion, when the door body 110 is in the closed state and the latch hook 130 is in the first position, the latch hook 130 is driven to the second position to complete the unlocking when the user rotates the handle 140, but the user continues to rotate the handle 140 with a large force due to no state prompting structure, and the rotating lever 143 continues to press the latch hook 130, which may cause the latch hook 130 to damage the child lock device.

And under the condition that the rotating rod 143 is provided with the second bulge 144 and the handle seat 120 is provided with the stop part, when the user rotates the handle 140 to unlock, after the latch hook 130 reaches the second position from the first position, the second bulge 144 stops against the stop part, the handle 140 and the latch hook 130 can not continue to rotate, namely, the latch hook 130 can not cross the second position, the effect of prompting the unlocking position is achieved, so that the child lock device is prevented from being damaged due to excessive force applied by the user, and the reliability and the practicability of the child lock structure are ensured.

In some embodiments, as shown in fig. 4-5, the pull housing 141 may define a rotation slot, and the rotation lever 143 may be supported in the rotation slot.

The inner wall of the handle holder 120 may be provided with a first flange 125 along the rotation rod 143, the rotation rod 143 may have a second flange 145 around the circumference Xiang Tuchu, and the projection of the first flange 125 and the second flange 145 along the axial direction of the rotation rod 143 may have a coincidence region.

In this embodiment, as shown in fig. 4, the inner wall of the first handle case 141 may be provided with 2 first flanges 125, and correspondingly, the rotation lever 143 may have 2 second flanges 145 at a first end, and the 2 second flanges 145 at the first end may be restrained between the 2 first flanges 125 of the first handle case 141; the inner wall of the second handle case 141 may be provided with 2 first flanges 125, and correspondingly, the second end of the rotation lever 143 may have 2 second flanges 145, and the 2 second flanges 145 of the second end may be restrained between the 2 first flanges 125 of the second handle case 141 to restrain the rotation lever 143 from moving in the installation position.

According to the door assembly of the cooking utensil 100, through the arrangement of the first flange 125 and the second flange 145, the axial limiting of the rotating rod 143 between the first handle seat 121 and the second handle seat 122 is achieved, the movement of the rotating rod 143 along the second axis is reduced, and the positioning accuracy in the rotating process and the smoothness of mechanical unlocking are improved.

In some embodiments, as shown in fig. 1-2, the rotation lever 143 may be hinged with the latch hook 130, and the rotation lever 143 may be slidably engaged with the latch hook 130.

It will be appreciated that the rotating rod 143 and the latch hook 130 may be connected by the same rotating node, and when the rotating rod 143 rotates, power is transmitted to the latch hook 130 through the rotating node, so as to drive one end of the latch hook 130 connected to the rotating rod 143 to start rotating, and at the same time, the latch hook 130 may slide relative to the rotating rod 143 during the rotating process.

According to the door assembly of the cooking utensil 100, through the design that the rotating rod 143 is hinged to the lock hook 130 and is in sliding fit, the driving process of the rotating rod 143 to the lock hook 130 is achieved, the lock hook 130 is gradually lifted from one hinged end of the rotating rod 143 through the hinge point, unlocking of a first lock is achieved, the integral structure of the lock hook 130 and the rotating rod 143 is simplified, and assembly difficulty is reduced.

In some embodiments, as shown in fig. 1-2, one of the rotating rod 143 and the latch hook 130 may be provided with an elongated chute 133, and the rotating rod 143 and the latch hook 130 may be connected by a pin 146 penetrating the chute 133.

The pin 146 may be a compression bar structure or a screw structure, for example, in some embodiments, the pin 146 is a compression bar structure.

It will be appreciated that the rotating rod 143 may be hinged to the latch hook 130 by a pin 146, and that the rotating rod 143 and the latch hook 130 may be relatively slid by the pin 146 cooperating with the chute 133, the rotating rod 143 may be provided with an elongated chute 133, the pin 146 may slide along the chute 133 located at the rotating rod 143, or the latch hook 130 may be provided with an elongated chute 133, the pin 146 may slide along the chute 133 located at the latch hook 130,

in this embodiment, as shown in fig. 1-2, the latch hook 130 may be provided with an elongated chute 133, the rotation rod 143 rotates, power is transmitted to the latch hook 130 through the pin 146, and the latch hook 130 is driven to rotate, and during the rotation, the position of the chute 133 located in the latch hook 130 is continuously changed, so that the pin 146 slides along the elongated chute 133.

The door assembly of the cooking utensil 100 provided by the embodiment of the application realizes the hinge joint and sliding fit of the rotating rod 143 and the lock hook 130 through the arrangement of the strip-shaped chute 133 and the pin shaft 146, and has high positioning precision, small abrasion and improvement of durability of parts in the rotating and sliding processes.

In some embodiments, as shown in fig. 1-2 and 4, the handle base 120 may be provided with a guide slot 126, both ends of the latch hook 130 may penetrate the guide slot 126 to be coupled with the latch hook 130 by power, and the latch hook 130 may protrude from the rear surface of the handle base 120.

In this embodiment, as shown in fig. 1-2 and 4, the first handle seat 121 may be provided with a guide groove 126, the guide groove 126 may be in clearance fit with a latch hook 130, one end of the latch hook 130 is in power connection with a rotation rod 143, the other end of the latch hook 130 is locked with a host 150, at least part of the latch hook 130 is located in the first handle seat 121, and the other part of the latch hook 130 penetrates the guide groove 126 and penetrates the door body 110, and finally protrudes from the back plate of the door body 110.

According to the door assembly of the cooking utensil 100, through the arrangement of the guide groove 126, the assembly of the lock hook 130 in the first handle seat 121 is achieved, the lock hook 130 is ensured not to shake randomly to interfere with other parts in the rotation process, and meanwhile, the guide groove 126 does not completely lock the position of the dead lock hook 130, so that the whole child lock structure is more flexible in operation process, and the user operation is more convenient.

In some embodiments, as shown in fig. 1-3, shackle 130 includes: a latch hook arm 132 and a hook body 132.

The latch hook arm 132 may be pivotally mounted to the door body 110 about a first axis, and one end of the latch hook arm 132 may be in power coupling connection with the pull handle 140; the hook 132 may be coupled to the other end of the latch arm 132, and the hook 132 may be used to lock with the host 150.

In practical implementation, taking fig. 1-2 as an example, the hook 132 may face upward, the user may rotate the handle 140, and the handle 140 rotates around the second axis, so as to drive one end of the latch hook 130 that is in power coupling connection with the handle 140 to lift, the latch hook arm 132 rotates around the first axis, and drives the hook 132 that is connected to the other end of the latch hook arm 132 to rotate downward to slowly disengage from the host 150 until the latch hook 130 reaches the second position, at this time, the first lock of the cooking apparatus 100 is released, the user holds the handle 140, and may pull the door 110 outward with a small force, and as the second lock is released, the door 110 and the host 150 of the cooking apparatus 100 may also be correspondingly unlocked.

According to the door assembly of the cooking utensil 100, through the arrangement of the lock hook arm 132 and the hook body 132, the power connection between the lock hook 130 and the handle 140 and the locking between the lock hook and the host 150 are realized, the structural layout is reasonable, the functional partition is clear, and the whole cooking utensil is enabled to be light and small on the premise that the normal locking and unlocking functions of the lock hook 130 are not affected.

In some embodiments, as shown in fig. 1-2, one end of the latch hook arm 132 may be provided with a kidney-shaped chute 133, and the chute 133 may be hinged and slidably engaged with the pull 140.

In actual implementation, the user rotates the handle 140, power is transmitted to the latch hook 130 through the pin 146, and one end of the latch hook 130 in power coupling connection with the handle 140 is driven to start rotating, and in the rotating process, the pin 146 slides along the kidney-shaped chute 133 to compensate for the tolerance between different rotating tracks based on the fact that the pin 146 and the rotating shaft 135 of the latch hook 130 are not in the same straight line.

According to the door assembly of the cooking utensil 100, through the arrangement of the kidney-shaped sliding groove 133, the transmission effect of the pin shaft 146 is matched, the positioning size is conveniently and properly adjusted in the use process, and meanwhile, the displacement tolerance of the pin shaft 146 and the rotating shaft 135 of the lock hook 130 in the relative rotation process is compensated.

In some embodiments, as shown in fig. 3-4, shackle 130 may further include: and a support block 134.

The support block 134 may be mounted to the door body 110, the support block 134 may have a rotation shaft 135, and the latch hook 130 may be pivotally mounted to the rotation shaft 135.

The latch hook 130 may be fixedly coupled to the door body 110 by way of a support block 134, wherein the manner of fixedly coupling between the support block 134 and the door body 110 includes, but is not limited to, bolting, riveting, or snap-fitting, etc., such as, in some embodiments, the manner of fixedly coupling between the support block 134 and the door body 110 is bolting.

In this embodiment, as shown in fig. 3 to 4, the supporting seat 134 may be fixed in the door body 110, the supporting seat 134 may be installed on a side of the latch hook arm 132 near the handle 140, and the rotating shaft 135 of the supporting seat 134 may penetrate through the latch hook arm 132, and the latch hook 130 may rotate around the rotating shaft 135 after being driven.

According to the door assembly of the cooking utensil 100, through the arrangement of the supporting seat 134, the installation of the lock hook 130 on the door body 110 and the fixed assembly of the rotating shaft 135 are achieved, the lock hook 130 is guaranteed to rotate in a guiding manner after being driven, the rotation process of the lock hook 130 tends to be stable, and the stability of the whole child lock structure is improved.

In some embodiments, as shown in fig. 1-3, the door assembly of the cooking appliance 100 may further include: a reset member 160.

The reset member 160 may be elastically coupled between the latch 130 and the door body 110, and the reset member 160 may be used to drive the latch 130 to remain in the first position.

As shown in fig. 1-3, the latch hook 130 may be provided with a spring post, the reset element 160 may be sleeved on the spring post, and the reset element 160 may be compressed between the latch hook 130 and the door body 110, and the elastic force of the reset element 160 may enable the latch hook 130 to keep a locking state with the host 150.

The return member 160 may be a spring or an elastic rubber sleeve, without limitation.

In actual implementation, when the user rotates the handle 140, the latch hook 130 may rotate from the first position to the second position, during which the reset member 160 is continuously compressed, and the elastic force applied by the reset member 160 to the latch hook 130 is continuously increased until the latch hook 130 slides to the second position against the elastic force, at this time, the first lock of the cooking appliance 100 is released, and the user may pull the handle 140 to pull the door 110 open, i.e., unlock the second lock of the cooking appliance 100.

After the door is opened, the user can release the handle 140, after the manpower applied to the latch hook 130 to overcome the elastic force disappears, the latch hook 130 can rotate from the second position to the first position, in this process, the reset piece 160 is continuously shortened, the elastic force applied to the latch hook 130 by the reset piece 160 is continuously reduced until the latch hook 130 returns to the first position, 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 140 to push the door body 110 towards the host 150 until the latch hook 130 and the host 150 are locked again, that is, the user door closing action can realize the automatic locking of the child lock.

The setting of the door assembly of cooking utensil 100 that this application provided through above-mentioned piece 160 resets for after the user loosen handle 140 latch hook 130 can be automatic to return to the first position, and piece 160 that resets is difficult for droing and durable, simple structure simultaneously, and the assembly part is single, and is lower to the machining precision requirement, does benefit to the installation.

In some embodiments, as shown in fig. 6-7, the first axis may be parallel to the second axis, which may be parallel to the pivot axis 135 of the door body 110.

In this embodiment, as shown in fig. 6 to 7, the pivot axis 135 may be the rotation axis 135 between the door 110 and the host 150, during the unlocking process of the door 110, the user rotates the handle 140 around the second axis, the upper end of the handle 140 faces the user, the lower end faces the cooking cavity, the handle 140 may drive the latch hook 130 to rotate around the first axis until the latch hook 130 rotates from the first position to the second position, the child lock structure is unlocked, and at this time, the handle 140 is pulled, and the door 110 may rotate around the pivot axis 135.

It should be noted that, in the case that the door assembly is a sliding door, the first axis and the second axis are both horizontal directions; in the case of a side-pull door, the first and second axes are both vertical.

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 130, the lock hook 130 can rotate back and forth around the direction perpendicular to the pivot axis 135, and the preliminary unlocking can be completed by rotating the handle 140, so that 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. 6-7, the pivot axis 135 of the door body 110 may be located at a lower rim of the door body 110, and the latch hook 130 may be adapted to latch an upper portion of the host 150.

In some embodiments, when the door 110 needs to be opened to take out food after cooking, the user may rotate the handle 140, the upper end of the handle 140 may rotate toward the user, the lower end may rotate toward the cooking cavity, the handle 140 may drive the latch hook 130 to rotate about the left and right direction until the latch hook 130 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 140 and pulls the door 110 with a small force, the upper frame of the door 110 may be separated from the main machine 150 of the cooking appliance 100, and the upper frame of the door 110 may rotate downward about the pivot axis 135, and as the second lock is released, the door 110 and the main machine 150 of the cooking appliance 100 may be unlocked accordingly.

In other embodiments, the pivot axis 135 of the door body 110 may be located on the left or right side frame of the door body 110, the user may rotate the handle 140, the handle 140 may drive the latch hook 130 to rotate up and down until the latch hook 130 rotates from the initial position to the unlocked position, at this time, the first lock of the cooking apparatus 100 is released, the user holds the handle 140 and pulls the door body 110 with a small force, the door body 110 rotates left or right around the pivot axis 135, and the door body 110 and the main machine 150 of the cooking apparatus 100 may be correspondingly unlocked with the release of the second lock.

According to the door assembly of the cooking utensil 100, through the unlocking structure design of the downward opening door, the mode of locking the opposite sides of the pivot shaft 135 is matched, so that the space occupied by the whole cooking utensil 100 is small, 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.

The present application also discloses a cooking appliance 100.

In some embodiments, as shown in fig. 6-7, the cooking appliance 100 includes: a host 150 and a door assembly as any of the above.

The main body 150 has a cooking cavity.

The main unit 150 may be used to cook food by temperature control and time control, and the main unit 150 may include an inner cavity and an outer cover, the inner cavity may define a cooking cavity, and the cooking cavity may be used as a holding container to provide a closed environment for food in cooperation with the door assembly.

The door body 110 of the door assembly is openably and closably mounted to the main machine 150, the latch hook 130 is locked with the main machine 150 of the cooking appliance 100 in the first position, and the latch hook 130 is unlocked with the main machine 150 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. 6-7, the cooking apparatus 100 is a microwave oven.

In actual implementation, a user may put food to be cooked into the cooking cavity, after the food is cooked, the user may rotate the handle 140, so that the latch hook 130 rotates around the first axis from the first position until the latch hook 130 reaches the second position, at this time, the first lock of the cooking appliance 100 is released, the user holds the handle 140 and can pull the door 110 outwards with a smaller force, and as the second lock is released, the door 110 and the host 150 can be correspondingly unlocked, the user takes out the cooked food after opening the door 110, and then the user can directly hold the handle 140, push the upper frame of the door 110 toward the host 150 until the latch hook 130 and the host 150 are locked again.

According to the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the door assembly, the double-layer lock design is utilized, 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 and 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. 1-2, the host 150 may be provided with a lock block 152, and the shackle 130 may lock with the back of the lock block 152 in the first position.

In this embodiment, as shown in fig. 1-2, the front plate 151 of the main unit 150 may be provided with a locking groove, the locking piece 152 may be disposed at an edge of the locking groove and located at a side of the front plate 151 near the cooking cavity, and in the case that the latch hook 130 is locked with the main unit 150, the hook body 132 may extend into the locking groove to overlap and lock with the locking piece 152, where the latch hook 130 may be located at the first position; with the shackle 130 unlocked from the host 150, the hook body 132 may disengage from the locking block 152, at which time the shackle 130 may be in the second position.

According to the cooking utensil 100 provided by the embodiment of the application, through the arrangement of the locking piece 152, the locking between the lock hook 130 and the door body 110 is realized by utilizing the mode that the hook body 132 is overlapped with the locking piece 152, so that the connecting structure is simpler and lighter, and the cost control is realized on the premise that the reliability of the child lock structure is not influenced; meanwhile, the locking piece 152 enhances the structural strength of the locking area and improves the stability of the locking structure.

In some embodiments, as shown in fig. 1-2, both the front face of the lock block 152 and the back face of the hook body 132 of the shackle 130 may be provided with guide surfaces.

It will be appreciated that if the back surfaces of the locking piece 152 and the hook 132 are both blocks without guide surfaces, when the user opens and closes the door, the edges of the locking piece 152 and the edges of the hook 132 are easily blocked, and the hook 132 is difficult to separate from or lock with the locking piece 152.

In actual implementation, when the user needs to close the door body 110, the user may directly hold the handle 140 to push the door body 110 towards the host 150, in the locking process, the guiding surface on the back of the hook body 132 abuts against the guiding surface on the front of the locking block 152, and based on the characteristic of the inclined plane, the hook body 132 may be pushed into the host 150 smoothly, i.e. the front of the hook body 132 is attached to the back of the locking block 152, and the latch hook 130 and the host 150 are locked again, i.e. the user door closing action may implement automatic locking of the child lock.

According to the cooking utensil 100 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 132 and the locking block 152 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, as shown in fig. 7, the door assembly may have a door hook, and the front plate 151 of the host 150 may have a catching groove, and the door hook may be used to catch with the catching groove.

The second lock of the door assembly is realized by the engagement and the matching of the door hook and the clamping groove, and after the lock hook 130 is controlled to be unlocked, the door body 110 is required to be pulled to separate the door hook from the clamping groove to realize the second unlocking operation, so that the door assembly can be completely opened.

In actual implementation, the door hook may be movably mounted on the door body 110 and extend toward the front plate 151 of the host 150, and the hook portion of the door hook may elastically move in the up-down direction, and a guide slope is provided in the slot. When the door component is closed, the end part of the clamping hook is abutted with the edge of the clamping groove to push the door hook to move upwards and enter the clamping groove to be clamped and limited with the clamping groove. When the door assembly is opened, the latch hook 130 is firstly unlocked, then the door body 110 is pulled, and the guide slope in the clamping groove 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, so that the door opening action is realized.

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 "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of 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 therefore 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 (17)

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

a door body;

the handle seat is arranged on the door body;

a latch hook pivotally mounted to the door body about a first 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;

the handle is pivotally arranged on the handle seat around a second axis, is in power coupling connection with the latch hook and is used for driving the latch hook to rotate from a first position to a second position.

2. The cooking appliance door assembly of claim 1, wherein the handle comprises:

a handle housing pivotally mounted to the handle seat about a second axis;

and the rotating rod is arranged on the handle shell and is in power coupling connection with the latch hook.

3. The cooking appliance door assembly of claim 2 wherein one of the end of the pull cup and the end of the pull cup is provided with a first slot about a second axis and the other is provided with a first protrusion that is pivotally mounted within the first slot about a second axis.

4. The door assembly of the cooking appliance according to claim 2, wherein the rotation lever is provided with a second protrusion, and the handle seat is provided with a stopper, which stops the second protrusion in case the handle is rotated to a target position.

5. The cooking appliance door assembly of claim 2, wherein the pull cup defines a rotation slot, the rotation bar being supported in the rotation slot.

6. The cooking appliance door assembly of claim 2, wherein the rotating lever is hinged to the latch hook and is a sliding fit.

7. The door assembly of a cooking appliance according to claim 6, wherein one of the rotating lever and the locking hook is provided with an elongated chute, and the rotating lever and the locking hook are connected by a pin shaft penetrating the chute.

8. The door assembly of a cooking appliance according to any one of claims 1 to 7, wherein the handle seat is provided with a guide groove, and both ends of the latch hook penetrate through the guide groove to be coupled with the latch hook in a power coupling manner, and protrude from a rear surface of the handle seat.

9. The door assembly of a cooking appliance of any one of claims 1-7, wherein the shackle comprises:

the lock hook arm is pivotally arranged on the door body around a first axis, and one end of the lock hook arm is in power coupling connection with the handle;

the hook body is connected to the other end of the latch hook arm and used for locking with the host.

10. The cooking appliance door assembly of claim 9, wherein one end of the latch hook arm is provided with a kidney-shaped chute that is hinged and slidably fitted to the handle.

11. The door assembly of a cooking appliance of any one of claims 1-7, wherein the shackle further comprises:

the supporting seat is arranged on the door body and is provided with a rotating shaft, and the lock hook is pivotally arranged on the rotating shaft.

12. The door assembly of a cooking appliance of any one of claims 1-7, further comprising:

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

13. The cooking appliance door assembly of any one of claims 1-7, wherein the first axis is parallel to the second axis, the second axis being parallel to a pivot axis of the door body.

14. The cooking appliance door assembly of claim 13, wherein the door body pivot axis is located at a lower rim of the door body, and the latch hook is adapted to latch an upper portion of the main machine.

15. A cooking appliance, comprising:

a main body having a cooking cavity;

the door assembly of any of claims 1-14, a door body of the door assembly being openably and closably mounted to the host, the latch hook being latched with the host in a first position and the latch hook being unlatched with the host in a second position.

16. Cooking appliance according to claim 15, wherein the main machine is provided with a locking piece, the locking hook being locked with the back of the locking piece in the first position.

17. The cooking appliance of claim 16, wherein a front surface of the locking piece and a back surface of the hook body of the locking hook are each provided with a guide surface.