CN116446729A - 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 locking hook is rotatably arranged on the door body between a first position and a second position, at least part of the locking hook extends out of the backboard of the door body, the locking hook is suitable for locking with a main machine of the cooking appliance under the condition of the first position, and the locking hook is suitable for unlocking with the main machine of the cooking appliance under the condition of the second position; 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. Through the arrangement of the lock hook and the operation part, the children are prevented from being scalded by touching the heated food after opening the door body, and the safety and the reliability of the whole cooking utensil are improved.

Description

Door assembly for cooking appliances and cooking appliances

technical field

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

Background technique

Commonly used cooking utensils with manual door opening are usually provided with a door handle, and the user can directly open the door of the cooking utensil by pulling the handle, which makes opening the door simple and convenient. However, this way of opening the door allows children to It is easy to open the door body of the cooking appliance, so there is a risk of being scalded by high-temperature food inside or putting dangerous items into the cooking appliance.

Contents of the invention

This application aims to solve at least one of the technical problems existing in the prior art. For this reason, the present application proposes a door assembly of a cooking appliance and the cooking appliance, which prevent children from being scalded when they touch heated food after opening the door, and help improve the safety and reliability of the entire cooking appliance.

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

door body;

A lock hook, the lock hook is rotatably mounted on the door body between the first position and the second position, and at least part of the lock hook protrudes from the back plate of the door body, and the lock hook is at the second position In the case of the first position, it is suitable for locking with the main body of the cooking appliance, and in the case of the second position, the lock hook is suitable for unlocking with the main body of the cooking appliance;

An operating part, the operating part is connected with the locking hook, at least for driving the locking hook to rotate from the first position to the second position.

According to the door assembly of the cooking appliance of the present application, through the setting of the above-mentioned lock hook and the operation part, a mechanical child lock structure is added on the basis of the original door opening system to ensure that the child lock must be released before the door is pulled. Only when the lock is used can the entire door opening action be completed, preventing children from being scalded when they touch the heated food after opening the door, and helping to improve the safety and reliability of the entire cooking appliance.

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

The door frame body, the lock hook is rotatably mounted on the door frame body between the first position and the second position, and the back plate of the door frame body is provided with an avoidance groove, and the lock hook protrudes from the avoidance groove;

A door casing, the door casing is installed on the outside of the door frame and has an escape opening, and the operation part passes through the escape opening.

According to an embodiment of the present application, the lock hook is rotatably mounted on a first frame of the door body around a first axis, the first axis extends in the front-rear direction, and the first frame is a pivot of the door body. A frame opposite to the axis of rotation.

According to an embodiment of the present application, the pivot axis of the door body is located at a lower frame of the door body, and the first frame is an upper frame of the door body.

According to an embodiment of the present application, the lock hook includes:

Lock hook main body, the lock hook main body is rotatably matched with the door body, and one end of the lock hook main body is provided with a hook body for locking with the main engine, and the hook body faces the pivot with the door body In a direction parallel to the rotation axis, the operation part is connected to the main body of the lock hook.

According to an embodiment of the present application, one of the door body and the lock hook body is provided with a lock hook rotation shaft, and the other is provided with a shaft hole pivotally fitted with the lock hook rotation shaft.

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

A supporting seat, the supporting seat is installed on the door body, and the supporting seat has the locking hook rotating shaft, and the other end of the locking hook main body is provided with the shaft hole.

According to an embodiment of the present application, the lock hook is rotatably mounted on a first frame of the door body around a first axis, the first axis extends in the vertical direction, and the first frame is connected to the door body. A frame opposite to the pivot axis.

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

A reset member, the reset member is elastically connected between the lock hook and the door body, and the reset member is used to drive the lock hook to maintain at the first position.

According to an embodiment of the present application, the lock hook has a first connecting portion, one end of the reset member is connected to the first connecting portion, and the other end of the reset member is connected to the door body.

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

a host, the host has a cooking cavity;

As in any one of the above-mentioned door assemblies, the door body of the door assembly is openably and closably installed on the main unit, the lock hook is locked with the main unit of the cooking appliance when it is in the first position, and the lock When the hook is in the second position, it is unlocked with the main body of the cooking appliance.

According to the cooking appliance of the present application, through the setting of the above-mentioned door assembly and the double-layer lock design, the user needs to complete two-step unlocking to open the door, reducing the risk of children being scalded when they open and touch the heated food and drink; at the same time , The overall structure of the child lock is simple, the operation is convenient and quick, and the cost is low, which greatly improves the practicability and economy of the device.

According to an embodiment of the present application, the front panel 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 panel.

According to an embodiment of the present application, the front panel is provided with a front panel flange, one end of the front panel flange is connected to one side edge of the locking groove, and the front panel flange is connected to the front The first area of the board is overlapped, the locking hook is facing the first area in the first position, and the locking hook is suitable for locking with the flange of the front panel.

According to an embodiment of the present application, the door assembly has a claw, the front panel of the host has a slot, and the claw is used to engage with the slot.

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.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is one of the explosion schematic diagrams of the cooking utensil provided by the embodiment of the present application;

Fig. 2 is the enlarged schematic view of A in Fig. 1;

Fig. 3 is one of the structural schematic diagrams of the cooking utensil provided by the embodiment of the present application;

Fig. 4 is one of the structural schematic diagrams of the lock hook of the cooking appliance provided by the embodiment of the present application;

Fig. 5 is the second structural schematic diagram of the locking hook of the cooking appliance provided by the embodiment of the present application;

Fig. 6 is a schematic structural view of a support seat of a cooking appliance provided by an embodiment of the present application;

Fig. 7 is one of the assembly schematic diagrams of the locking hook of the cooking appliance provided in the embodiment of the present application in the first position;

Fig. 8 is the second assembly schematic diagram of the locking hook of the cooking appliance provided in the embodiment of the present application at the first position;

Fig. 9 is one of the assembly schematic diagrams of the locking hook of the cooking appliance provided in the embodiment of the present application in the second position;

Fig. 10 is the second assembly schematic diagram of the locking hook of the cooking appliance provided in the embodiment of the present application at the second position;

Fig. 11 is the second exploded schematic diagram of the cooking appliance provided by the embodiment of the present application;

Figure 12 is an enlarged schematic view of B in Figure 11;

Fig. 13 is the second structural schematic diagram of the cooking utensil provided by the embodiment of the present application;

Fig. 14 is a schematic structural view of the operating part of the cooking appliance provided by the embodiment of the present application;

Fig. 15 is the third structural schematic diagram of the locking hook of the cooking appliance provided by the embodiment of the present application;

Fig. 16 is the fourth structural schematic diagram of the locking hook of the cooking appliance provided by the embodiment of the present application;

Fig. 17 is the third assembly schematic diagram of the locking hook of the cooking appliance in the first position provided by the embodiment of the present application;

Fig. 18 is the fourth assembly schematic diagram of the locking hook of the cooking appliance in the first position provided by the embodiment of the present application;

Fig. 19 is the third assembly schematic diagram of the locking hook of the cooking appliance in the second position provided by the embodiment of the present application;

Fig. 20 is the fourth assembly schematic diagram of the locking hook of the cooking appliance in the second position provided by the embodiment of the present application.

Reference signs:

Cooking appliance 100, operating part 130, reset member 140;

A door body 110, a door frame body 111, a first frame 112, a door casing 113, an escape opening 114, and a back panel avoidance groove 115;

Lock hook 120, lock hook main body 121, hook body 122, shaft hole 123, first connecting part 124, connecting section 125;

Support seat 150, lock hook rotating shaft 151;

Main unit 160, cooking cavity 161, front plate 162, locking groove 163, front plate flange 164, card slot 165.

Detailed ways

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

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

The door assembly of the cooking appliance 100 according to the embodiment of the present application will be described below with reference to FIGS. 1-20 .

In some embodiments, as shown in FIGS. 1 and 11 , the door assembly of the cooking appliance 100 includes: a door body 110 , a locking hook 120 and an operating part 130 .

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

The lock hook 120 is rotatably mounted on the door body 110 between the first position and the second position, and at least a part of the lock hook 120 protrudes from the backboard of the door body 110, and the lock hook 120 is adapted to be compatible with the first position. The main body 160 of the cooking appliance 100 is locked, and the locking hook 120 is adapted to be unlocked with the main body 160 of the cooking appliance 100 when it is in the second position.

The lock hook 120 can be used to lock the door body 110 and the host 160. The lock hook 120 can be made of metal or plastic material. For example, in some embodiments, the lock hook 120 can be made of plastic material, wherein the plastic material can include but not limited to PP (Polypropylene, polypropylene), POM (Polyformaldehyde, polyoxymethylene) or PC (Polycarbonate, polycarbonate), etc.

As shown in Figures 1 and 11, a part of the locking hook 120 can be located in the door body 110, and another part of the locking hook 120 can pass through the backboard of the door body 110 and extend into the main body 160 of the cooking appliance 100, so that At least part of the locking hook 120 is locked with the main body 160 of the cooking appliance 100 .

It can be understood that, as shown in FIGS. When the second position is reached, the lock hook 120 can rotate back and forth between the first position and the second position, so as to achieve locking and unlocking between the door body 110 and the host 160 .

The operation part 130 is connected with the lock hook 120, and the operation part 130 is at least used to drive the lock hook 120 to rotate from the first position to the second position.

The connection method between the operation part 130 and the lock hook 120 may include but not limited to interference connection, integral molding or bonding, etc. For example, in some embodiments, the connection method between the operation part 130 and the lock hook 120 is integrated forming.

It should be noted that the lock hook structure of the present application can be a safety lock of the cooking appliance 100, that is, the above-mentioned lock hook structure is the first lock of the cooking appliance 100, and the user cannot release the first lock by directly pulling the door while cooking. The appliance 100 itself has an elastic door lock, which is the second lock of the cooking appliance 100, and the user can release the elastic door lock by pulling the handle outward with a small force.

In actual implementation, taking Figures 7-10 as an example, the operation part 130 can be at least partially exposed to the outside to facilitate the user's manipulation. In the closed state and the locking hook 120 is located at the first position, the user can manipulate the operating part 130 to make the locking hook 120 rotate 90° towards the second position, and the locking 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 body 110 outward with a relatively small force. With the release of the second lock, the door body 110 and the main unit 160 of the cooking appliance 100 can also be unlocked accordingly.

In the related art, in order to prevent children from opening the door by mistake, some cooking utensils are also provided with a child lock structure. close, and the operating part of the child lock structure is arranged under the front panel of the door body.

However, in practical application, the above scheme has many disadvantages: since the above-mentioned child lock structure is located on the side panel of the door body, the side panel of the door body needs to be slotted for the child lock structure to protrude, so that impurities and dirt can easily enter the door In the body, it increases the difficulty of cleaning the cooking utensils; secondly, the above-mentioned operation part is set on the front panel facing the user, and the height of the operation part is low, so that children can easily touch the operation part, thus slightly weakening the protective effect of the child lock .

In this embodiment, at least a part of the locking hook 120 protrudes from the back plate of the door body 110. Compared with the above-mentioned solution in which the locking hook 120 protrudes from the side plate of the door body 110, in daily use, impurities and dirt It is not easy to enter the door body 110, which is convenient for cleaning the cooking utensil 100; secondly, the operation part 130 is located above the door body 110, since the operation part 130 does not directly face the user, and the height of the operation part 130 is relatively high, it is difficult for children to easily touch it The operation part 130 ensures the safety of the child lock structure.

The door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the setting of the lock hook 120 and the operation part 130, adds a mechanical child lock structure on the basis of the original door opening system to ensure , the child lock must be released first to complete the entire door opening action, preventing children from being scalded when they touch the heated food after opening the door body 110 , and helping to improve the safety and reliability of the entire cooking appliance 100 .

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

The lock hook 120 can be rotatably installed on the door frame body 111 between the first position and the second position, and the back plate of the door frame body 111 can be provided with an avoidance groove, and the lock hook 120 protrudes from the avoidance groove; the door casing 113 can be installed on Outside the door frame body 111 , the door casing 113 may have an escape opening 114 , and the operation part 130 may pass through the escape opening 114 .

The connection between the door frame body 111 and the door casing 113 may include but not limited to bolt connection, pin connection or buckle connection, etc., for example, in some embodiments, the connection between the door frame body 111 and the door casing 113 The method is bolt connection.

In this embodiment, the lock hook 120 can pass through the escape groove, and at least part of the lock hook 120 can extend into the main body 160 of the cooking appliance 100, the size of the escape opening 114 can be greater than the size of the operating part 130, and the size of the escape opening 114 It can be satisfied that the operation part 130 can at least drive the locking hook 120 to rotate from the first position to the second position, in other words, the locking hook 120 can rotate back and forth within the limited range of the escape groove and the escape opening 114 .

The door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the setting of the above-mentioned door frame body 111 and the door casing 113, cooperates with the design of the avoidance groove and the avoidance port 114, so that the lock hook 120 can be in the first position under the limit action. Rotate back and forth between the second position to ensure that the child lock structure can be locked and unlocked normally. At the same time, the overall structure design is simple, and the connection method is flexible and smooth, which improves the user's sense of use and experience.

The following describes the embodiments of the present application in detail from two different implementation angles.

1. The lock hook 120 rotates around the front and rear directions.

In some embodiments, as shown in FIGS. 1-3 , the lock hook 120 can be rotated around a first axis and mounted on the first frame 112 of the door body 110 , the first axis can extend along the front-to-back direction, and the first frame 112 can be A frame opposite to the pivot axis of the door body 110 .

In this embodiment, as shown in FIGS. 1-3 , the pivot axis can be a rotation axis between the door body 110 and the host 160, the first frame 112 can be detachably connected to the host 160, and the pivot axis is connected to the second frame 160. A frame 112 can be arranged oppositely, and the first axis can be perpendicular to the first frame 112. During the unlocking process of the door body 110, the user dials the operation part 130, and the operation part 130 can drive the lock hook 120 to rotate around the first axis until The lock hook 120 rotates from the first position to the second position, and the child lock structure is unlocked. At this time, the handle on the door body 110 is pulled, and the first frame 112 can be separated from the main unit 160 of the cooking appliance 100, and the door body 110 can rotate around the pivot axis. rotation, that is, the first frame 112 can rotate around the pivot axis.

In the door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the setting of the direction of the above-mentioned first axis and the way of locking on the opposite side of the pivot axis, the lock hook 120 can be positioned at the first position and the second position around the first axis. Rotating back and forth between the two positions, the preliminary unlocking can be completed by toggling the operation part 130, which reduces the difficulty of operation for the user.

In some embodiments, as shown in FIG. 1 and FIG. 3 , the pivot axis of the door body 110 may be located at the lower frame of the door body 110 , and the first frame 112 may be the upper frame of the door body 110 .

In actual implementation, based on the pivot axis of the door body 110 being located on the lower frame of the door body 110, considering the force of the user to open the door, the handle can be installed near the upper frame of the door body 110, and the door needs to be opened after the food is cooked. 110 to take out the food, the user can toggle the operation part 130, and the operation part 130 can drive the lock hook 120 to rotate around the front and rear directions until the lock hook 120 rotates from the first position to the second position. At this time, the first position of the cooking appliance 100 When the lock is released, the user holds the handle and pulls the door body 110 with a small force, the first frame 112 can be separated from the main body 160 of the cooking appliance 100, and the first frame 112 can rotate downward around the pivot axis, and then With the release of the second lock, the door body 110 and the host 160 of the cooking appliance 100 can also be unlocked accordingly.

Alternatively, the pivot axis of the door body 110 may be located on the left frame or the right frame of the door body 110, and the first frame 112 may be disposed on the opposite side of the pivot axis. The part 130 can drive the lock hook 120 to rotate around the front and back direction until the lock hook 120 slides from the initial position to the unlocked position, at this time, the first lock of the cooking appliance 100 is released, and the user can hold the handle and use a small force to open the door. body 110 is pulled, the first frame 112 can be separated from the main body 160 of the cooking appliance 100, and the first frame 112 can rotate to the left or right around the pivot axis. With the release of the second lock, the door body 110 and the cooking appliance The hosts 160 of 100 can also be unlocked accordingly.

The door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the unlocking structure design of the above-mentioned bottom opening door, makes the space occupied by the whole cooking appliance 100 smaller, improves the volume utilization rate, and facilitates the overall layout; the pull-down door type door body 110 can It is used to transition the hot food that has just been cooked, and it is convenient for the user to pick and place the food, thereby optimizing the experience of the whole machine.

In some embodiments, as shown in FIGS. 4-5 , the locking hook 120 may include: a locking hook body 121 .

The lock hook body 121 can be rotatably matched with the door body 110, and one end of the lock hook body 121 can be provided with a hook body 122 for locking with the host 160, and the hook body 122 can face a direction parallel to the pivot axis of the door body 110, The operation part 130 can be connected with the lock hook body 121 .

It can be understood that, as shown in FIGS. 4-5 , the operation part 130 can be integrally formed with the lock hook body 121, the operation part 130 can be arranged at one end of the lock hook body 121 along the vertical direction, and the hook body 122 can be arranged along the horizontal direction. It is disposed at the other end of the lock hook main body 121 .

In actual implementation, as shown in FIGS. 7-10 , the user can toggle the operating part 130, and the operating part 130 can drive the hook body 122 to rotate around the front and rear directions until the locking hook 120 rotates from the first position to the second position. During the rotation process, the orientation of the hook body 122 gradually turns from the horizontal direction to the vertical direction, 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, and the second lock is released. A frame 112 can be separated from the main body 160 of the cooking appliance 100, and the first frame 112 can be rotated downward around the pivot axis. With the release of the second lock, the door body 110 and the main body 160 of the cooking appliance 100 can also be connected correspondingly. unlock.

The door assembly of the cooking appliance 100 provided in the embodiment of the present application realizes the driving of the operating part 130 and the rotation and locking of the hook body 122 through the arrangement of the locking hook body 121 and the connecting section 125, and at the same time integrates the operating part 130 and the locking hook 120 into the Integral, while enhancing the reliability of the structure, it makes the operation more convenient and quick.

In some embodiments, as shown in FIG. 2 and FIGS. 5-6 , one of the door body 110 and the lock hook body 121 can be provided with a lock hook shaft 151 , and the other can be provided with a lock hook shaft 151 to pivotally fit The shaft hole 123.

It can be understood that the door body 110 can be provided with a lock hook shaft 151 , and the lock hook body 121 can be provided with a shaft hole 123 , or the lock hook body 121 can be provided with a lock hook shaft 151 , and the door body 110 can be provided with a shaft hole 123 .

In actual execution, taking Fig. 2 as an example, the lock hook shaft 151 can be fixed on the door body 110, and the lock hook shaft 151 can extend into the shaft hole 123 of the lock hook body 121, when the user toggles the operation part 130, the lock The hook shaft 151 does not rotate by itself, and the lock hook body 121 can rotate 90° around the lock hook shaft 151 through the shaft hole 123, thereby driving the hook body 122 to rotate from the first position to the second position, the first lock is released, and the user opens the door The operating part 130 can be released, and the reset member 140 is no longer subjected to external force, and the reset member 140 can drive the locking hook 120 to rotate 90° around the locking hook rotating shaft 151 until the locking hook 120 returns to the first position.

The door assembly of the cooking utensil 100 provided in the embodiment of the present application realizes the directional rotation of the locking hook 120 through the setting of the locking hook rotating shaft 151 and the shaft hole 123, so that the rotation of the locking hook 120 tends to be more stable; at the same time, the positioning accuracy during the rotation High, less wear and tear, which has a positive effect on extending the service life of parts.

In some embodiments, as shown in FIGS. 2 and 6 , the door assembly of the cooking appliance 100 may further include: a supporting base 150 .

The supporting base 150 can be installed on the door body 110 , and the supporting base 150 can have a locking hook rotating shaft 151 , and the other end of the locking hook main body 121 can be provided with a shaft hole 123 .

The connection between the support base 150 and the door body 110 may include but not limited to bolt connection, pin connection or rivet connection, etc. For example, in some embodiments, the connection mode between the support base 150 and the door body 110 is a bolt connect.

In this embodiment, the lock hook shaft 151 can be integrated on the support base, threaded holes can be provided on both sides of the support base 150, and corresponding connecting holes can be provided on the door body 110. When the support base 150 is connected to the door body 110 At this time, the screw can pass through the threaded hole of the support seat 150 and the connecting hole of the door body 110 successively, and finally fasten with the nut.

In the door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the setting of the above-mentioned support seat 150, the lock hook shaft 151 can be fixed on the door body 110, which helps to improve the stability and accuracy of the lock hook 120 rotation; The integrated design prevents the locking hook rotating shaft 151 from rotating, and enhances the reliability of the overall design.

In some embodiments, as shown in FIG. 2 , the door assembly of the cooking appliance 100 may further include: a reset member 140 .

The reset member 140 can be elastically connected between the lock hook 120 and the door body 110 , and the reset member 140 can be used to drive the lock hook 120 to keep at the first position.

As shown in Figure 2, the door frame body 111 can be provided with a connection hole, one end of the reset member 140 can cooperate with the connection hole, the other end of the reset member 140 can be connected with the lock hook 120, and the reset member 140 can be in a stretched state, reset The pulling force of the component 140 can keep the locking hook 120 and the host 160 in a locked state.

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

In actual implementation, when the user toggles the operating part 130, the lock hook 120 can rotate from the first position to the second position, and during this process, the reset member 140 between the connecting hole and the lock hook 120 is continuously stretched , the elastic force exerted by the reset member 140 on the locking hook 120 is continuously increased until the locking hook 120 overcomes the elastic force and slides to the second position. Pull it downwards to unlock the second lock of the cooking appliance 100 .

After opening the door, the user can release the operating part 130, and after the manpower applied to the lock hook 120 to overcome the elastic force disappears, the lock hook 120 can rotate from the second position to the first position. The reset member 140 between 120 is continuously shortened, and the elastic force exerted by the reset member 140 on the lock hook 120 is continuously reduced until the lock hook 120 returns to the first position. When the user needs to close the door body 110, based on the elastic connection Design, the user can directly hold the handle and push the first frame 112 toward the host 160 until the lock hook 120 and the host 160 are locked again, that is, the user's action of closing the door can realize the automatic locking of the child lock.

The door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the setting of the above-mentioned reset member 140, cooperates with the guiding function of the locking hook shaft 151, so that the locking hook 120 can automatically return to the first position after the user releases the operating part 130, and resets The part 140 is not easy to fall off and durable, and at the same time has a simple structure, a single assembly part, low requirements on machining accuracy, and is convenient for installation.

In some embodiments, as shown in FIGS. 4-5 , the lock hook 120 may have a first connecting portion 124, one end of the reset member 140 may be connected to the first connecting portion 124, and the other end of the reset member 140 may be connected to the door body. 110 connected.

In this embodiment, as shown in FIGS. 4-5 , the setting direction of the first connecting portion 124 can be consistent with the orientation of the hook body 122, one end of the reset member 140 can be matched with the connection hole, and the other end of the reset member 140 can be Linked with the first connecting portion 124 , the reset member 140 can apply a pulling force to the lock hook 120 to rotate in the locking direction through the first connecting portion 124 .

The door assembly of the cooking utensil 100 provided in the embodiment of the present application realizes the rotation unlocking and elastic reset of the locking hook 120 through the setting of the above-mentioned first connecting part 124 and the design of the reset member 140. The supporting seat 150, the reset member 140 and the second A connecting portion 124 cooperates with each other, so that the mechanical performance of the locking hook 120 will not be greatly affected during the reciprocating movement, thereby increasing the reliability of the entire child lock structure.

2. The locking hook 120 rotates around the vertical direction.

In some embodiments, as shown in FIGS. 11-13 , the lock hook 120 can be rotated around a first axis and mounted on the first frame 112 of the door body 110 , the first axis can extend vertically, and the first frame 112 can be is a frame opposite to the pivot axis of the door body 110 .

In this embodiment, as shown in FIGS. 11-13 , the pivot axis can be the rotation axis between the door body 110 and the host 160, the first frame 112 can be detachably connected to the host 160, and the pivot axis can be connected with the second frame 160. A frame 112 can be arranged oppositely. During the unlocking process of the door body 110, the user toggles the operation part 130, and the operation part 130 can drive the lock hook 120 to rotate around the direction perpendicular to the pivot axis of the door body 110 until the lock hook 120 is released from the door. The first position is rotated to the second position, and the child lock structure is unlocked. At this time, the handle on the door body 110 is pulled, and the first frame 112 can be separated from the main body 160 of the cooking appliance 100, and the door body 110 can rotate around the pivot axis, that is, the second A frame 112 is rotatable about a pivot axis.

It should be noted that, when the door assembly is a pull-down door, the first frame 112 is a horizontal direction, and correspondingly, the first axis is a vertical direction; when the door assembly is a side sliding door, the first direction is a vertical direction. The vertical direction, correspondingly, the first axis is the horizontal direction.

In the door assembly of the cooking appliance 100 provided in the embodiment of the present application, the lock hook 120 can rotate back and forth in a direction perpendicular to the pivot axis by setting the rotation direction of the lock hook 120 and matching the lock on the opposite side of the pivot axis. The preliminary unlocking can be completed by toggling the operation part 130, which reduces the difficulty of operation for the user; meanwhile, the overall structure has high cycle strength and strong durability, thereby prolonging the service life.

In some embodiments, as shown in FIG. 11 and FIG. 13 , the pivot axis of the door body 110 can be located at the lower frame of the door body 110 , the first frame 112 can be the upper frame of the door body 110 , and the lock hook 120 can rotate around the vertical It is installed on the first frame 112 to rotate.

In actual implementation, based on the pivot axis of the door body 110 being located on the lower frame of the door body 110, considering the force of the user to open the door, the handle can be installed near the upper frame of the door body 110, and the door needs to be opened after the food is cooked. 110 to take out the food, the user can toggle the operation part 130, and the operation part 130 can drive the lock hook 120 to rotate around the up and down direction until the lock hook 120 rotates from the first position to the second position, at this time the first position of the cooking appliance 100 When the lock is released, the user holds the handle and pulls the door body 110 with a small force, the first frame 112 can be separated from the main body 160 of the cooking appliance 100, and the first frame 112 can rotate downward around the pivot axis, and then With the release of the second lock, the door body 110 and the host 160 of the cooking appliance 100 can also be unlocked accordingly.

Alternatively, the pivot axis of the door body 110 may be located on the left frame or the right frame of the door body 110, and the first frame 112 may be disposed on the opposite side of the pivot axis. The part 130 can drive the lock hook 120 to rotate around the left and right direction until the lock hook 120 rotates from the initial position to the unlocked position. At this time, the first lock of the cooking appliance 100 is released, and the user can hold the handle and use a small force to open the door. body 110 is pulled, the first frame 112 can be separated from the main body 160 of the cooking appliance 100, and the first frame 112 can rotate to the left or right around the pivot axis. With the release of the second lock, the door body 110 and the cooking appliance The hosts 160 of 100 can also be unlocked accordingly.

The door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the unlocking structure design of the above-mentioned bottom door, makes the space occupied by the whole cooking appliance 100 smaller, improves the volume utilization rate, and facilitates the overall layout; It can be used as a transition to hot food that has just been cooked, making it easy for users to pick and place food, thereby optimizing the experience of the whole machine.

In some embodiments, as shown in FIG. 12 , FIG. 17 and FIG. 19 , the back plate of the first frame 112 may be provided with a back plate avoidance groove 115 , and the lock hook 120 may protrude from the back plate avoidance groove 115 ; the lock hook 120 One of the door bodies 110 may be provided with a locking hook rotating shaft 151 , and the other may be provided with a shaft hole 123 pivotally matched with the locking hook rotating shaft 151 .

It can be understood that, as shown in FIG. 12 , the locking hook 120 can pass through the backboard chute, at least part of the locking hook 120 can extend out of the backboard chute to reach the host 160, and be locked with the host 160, and the door body 110 can be set The lock hook shaft 151 and the lock hook 120 may be provided with a shaft hole 123 , or the lock hook 120 may be provided with a lock hook shaft 151 , and the door body 110 may be provided with a shaft hole 123 .

The door assembly of the cooking appliance 100 provided in the embodiment of the present application realizes the directional rotation of the locking hook 120 through the setting of the above-mentioned back plate avoidance groove 115, the locking hook rotating shaft 151 and the shaft hole 123, so that the locking hook 120 tends to rotate more smoothly; At the same time, the positioning accuracy is high during the rotation process, and the wear is small, which has a positive effect on prolonging the service life of parts.

In some embodiments, as shown in FIG. 11 , the door body 110 may include: a door frame body 111 and a door casing 113 .

The back plate of the door frame body 111 can be provided with a back plate avoidance groove 115, and the door frame body 111 can be provided with one of the lock hook rotating shaft 151 and the shaft hole 123;

The door casing 113 can be installed on the outside of the door frame body 111 , and the door casing 113 can have an escape opening 114 , and the lock hook 120 can pass through the escape opening 114 , and the lock hook 120 can be connected with the operation part 130 located outside the door casing 113 .

In this embodiment, as shown in FIG. 11 and FIG. 14 , the lock hook 120 can pass through the backboard chute of the door frame body 111 , and a part of the lock hook 120 can extend into the main body 160 of the cooking appliance 100 , and the lock hook 120 can also extend into the main body 160 of the cooking appliance 100 . A part can extend out of the avoidance opening 114 of the door housing 113, and the operation part 130 can be nested on the lock hook 120 protruding from the escape opening 114. At this time, the operation part 130 is located above the avoidance opening 114. , the locking hook 120 can rotate back and forth within the limited range of the backboard sliding groove.

The door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the above-mentioned setting of the door frame body 111 and the door casing 113, in conjunction with the design of the backboard chute and the escape opening 114, ensures that the child lock structure can be locked and unlocked normally, and at the same time , the overall structure design is simple, and the connection method is flexible and smooth, which improves the user's sense of use and experience.

In some embodiments, as shown in FIGS. 15-16 , the locking hook 120 may include: a locking hook main body 121 , a locking hook rotating shaft 151 , a connecting section 125 and a first connecting portion 124 .

The locking hook body 121 can protrude from the backboard avoiding groove 115 , and one end of the locking hook body 121 can be provided with a hook body 122 for locking with the host 160 ; the locking hook rotating shaft 151 can be connected with the locking hook body 121 .

It can be understood that, as shown in FIGS. 15-16 , the lock hook shaft 151 and the lock hook body 121 can be integrally formed, the lock hook shaft 151 can be set at one end of the lock hook body 121 , and the hook body 122 can be set on the lock. The other end of the hook body 121 and the hook body 122 may face in a direction parallel to the first frame 112 .

The connection section 125 can be connected with the other end of the lock hook body 121 , and the operation part 130 can be connected with the connection section 125 .

As shown in Figures 15-16, under the premise of user convenience, the operation surface of the operation part 130 needs to be parallel to the installation surface. Based on the oblique placement of the door body 110, if the operation section is vertical, the operation of the operation part 130 The surface cannot be parallel to the installation surface, so the operating section is bent.

In this embodiment, the connecting section 125 can protrude from the avoidance opening 114 of the door housing 113 , and the operating part 130 can be nested on the connecting section 125 protruding from the avoiding opening 114 , and the operating part 130 is located above the avoiding opening 114 , when the user toggles the operation part 130 , the operation part 130 can drive the locking hook 120 to rotate back and forth in the vertical direction through the connecting section 125 .

The first connection part 124 can be connected with the lock hook body 121 , and the reset member 140 can be connected with the first connection part 124 .

In this embodiment, as shown in Figure 12 and Figures 15-16, the setting direction of the first connecting part 124 can be consistent with the orientation of the hook body 122, one end of the reset member 140 can be matched with the connecting column, and the reset member 140 can The other end can be hooked with the first connecting portion 124 , and the reset member 140 can apply a pulling force to the lock hook 120 to rotate in the locking direction through the first connecting portion 124 .

The door assembly of the cooking appliance 100 provided in the embodiment of the present application, through the arrangement of the lock hook shaft 151 and the first connecting part 124, utilizes an integrated design to prevent the lock hook shaft 151 from rotating, and enhance the reliability of the overall design; At the same time, the reset member 140 cooperates with the first connecting portion 124 to realize the elastic reset of the lock hook 120, so that the mechanical performance of the lock hook 120 will not be greatly affected during the reciprocating movement, thereby increasing the stability of the entire child lock structure.

The present application also discloses a cooking appliance 100 .

In some embodiments, as shown in FIG. 1 and FIG. 11 , the cooking appliance 100 includes: a main unit 160 and any one of the above-mentioned door assemblies.

The host 160 has a cooking cavity 161 .

The host 160 can be used to realize the cooking of food through temperature control and time control. The host 160 can include an inner cavity and an outer cover. The inner cavity can define a cooking cavity, and the cooking cavity 161 can be used as a container and a door assembly to cooperate with food. Provide a closed environment.

The door body 110 of the door assembly is mounted on the host 160 in an openable and closable manner, the lock hook 120 is locked with the host 160 of the cooking appliance 100 when it is in the first position, and the lock hook 120 is locked with the host 160 of the cooking appliance 100 when it is in the second position. The host 160 is unlocked.

It should be noted that the cooking appliance 100 may include, but is not limited to, a microwave oven, an oven, or an integrated steam and oven. For example, in some embodiments, as shown in FIGS. 1 and 11 , the cooking appliance 100 is a microwave oven.

In actual implementation, the user can put the food to be cooked into the cooking cavity 161. After the food is cooked, the user can manipulate the operation part 130 so that the lock hook 120 starts from the first position and rotates around the first axis until the lock hook 120 When the second position is reached, the first lock of the cooking appliance 100 is released at this time. The user holds the handle and pulls the door body 110 outward with a relatively small force. With the release of the second lock, the door body 110 and the The host 160 of the cooking appliance 100 can also be unlocked accordingly. After the user opens the door 110 and takes out the cooked food, the user can directly hold the handle and push the first frame 112 toward the host 160 until the lock hook 120 and the host 160 Lock again.

The cooking appliance 100 provided in the embodiment of the present application uses the double-layer lock design through the setting of the above-mentioned door assembly, and requires the user to complete two-step unlocking to open the door, reducing the risk of children being scalded when they open and touch the heated food and drink. At the same time, the overall structure of the child lock is simple, the operation is convenient and fast, and the cost is low, which greatly improves the practicability and economy of the device.

In some embodiments, as shown in FIG. 8 and FIG. 18 , the front plate 162 of the host 160 may have a locking groove 163 , and the locking hook 120 may be adapted to extend into the locking groove 163 to lock with the front plate 162 .

In this embodiment, as shown in FIG. 8 and FIG. 18 , when the locking hook 120 is locked with the host 160, the hook body 122 can extend into the locking groove 163, and the locking hook 120 can be in the first position at this time. , and the hook body 122 can be supported on the front plate 162; when the lock hook 120 is unlocked with the host 160, the hook body 122 can extend into the locking groove 163, at this time the lock hook 120 can be in the second position, and the hook The body 122 does not overlap the front panel 162 .

The cooking utensil 100 provided in the embodiment of the present application, through the setting of the above-mentioned locking groove 163, there is no need to provide a connecting piece that cooperates with the locking hook 120, and the hook body 122 is directly supported on the locking groove 163 by slotting the front plate 162 The edge makes the connection structure more concise and lightweight, and realizes cost control without affecting the reliability of the child lock structure.

In some embodiments, as shown in Figure 8 and Figure 18, the front panel 162 can be provided with a front panel flange 164, one end of the front panel flange 164 can be connected with one side edge of the locking groove 163, and the front panel is turned over The side 164 can overlap with the first area of the front panel 162 , and the locking hook 120 can face the first area when it is in the first position, and the locking hook 120 can be adapted to be locked with the front panel flange 164 .

The front plate flanging 164 can be folded from the sheet material formed when the locking groove 163 is stamped. When the locking groove 163 is processed, the front plate 162 can be processed by punching, and the locking groove will be formed after punching. 163 with the same cross-sectional size, the sheet can be directly bent to form the front panel flanging 164, which is easy to process, and the front panel flanging 164 and the front panel 162 can be bonded together, which can enhance the structural strength of the corresponding area .

In this embodiment, the front panel flange 164 is overlapped with the first area of the front panel 162, the locking hook 120 is in the first position and is facing the first area, and the locking hook 120 is suitable for being in contact with the front panel flange. 164 locking.

The hook body 122 of the lock hook 120 realizes the locking function by abutting against the front plate 162. When the lock hook 120 is in the first position, the lock body corresponds to the first area of the front plate 162, that is, the lock body abuts on In the first area of the front plate 162, 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 and FIG. 11 , the door assembly may have a door hook, the front panel 162 of the host 160 may have a slot 165 , and the door hook may be used to engage with the slot 165 .

The door hook is engaged with the card slot 165 to realize the second lock of the door assembly. After the control lock hook 120 is unlocked, the door body 110 needs to be pulled to separate the door hook from the card slot 165 to realize the second unlocking operation, and the door assembly will fully open.

In actual implementation, the door hook is movably installed on the door body 110 and extends toward the front panel 162 of the host 160 . The hook portion of the door hook can move elastically in the up and down direction, and a 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 slot 165 to push the hook upwards and enters into the slot 165 to engage with the slot 165 for a limited position. When opening the door assembly, the lock hook 120 is first unlocked, and then the door body 110 is pulled, and the guide slope in the slot 165 exerts an upward thrust on the hook of the door hook so that the hook moves upward and gradually disengages from the slot 165 to open the door.

In some other embodiments, the door hook can also be a buckle fixedly installed on the door body 110, and a hook that can be elastically set is provided in the slot 165. For its specific structure, refer to the common cooking utensils 100 on the market. This will not be described in detail.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the description and claims means at least one of the connected objects, and the character "/" generally means that the related objects are 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", " The orientation or positional relationship indicated by "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the application.

In the description of this application, "first feature" and "second feature" may include one or more of these features.

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

In the description of the present application, a first feature being "on" or "under" a second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but pass through them. Additional feature contacts between.

In the description of the present application, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than Second feature.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an 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 embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims (14)

1. A door assembly of a cooking appliance, comprising: door body; A lock hook, the lock hook is rotatably mounted on the door body between the first position and the second position, and at least part of the lock hook protrudes from the back plate of the door body, and the lock hook is at the second position In the case of the first position, it is suitable for locking with the main body of the cooking appliance, and in the case of the second position, the lock hook is suitable for unlocking with the main body of the cooking appliance; An operating part, the operating part is connected with the locking hook, at least for driving the locking hook to rotate from the first position to the second position. 2. The door assembly of the cooking appliance according to claim 1, wherein the door body comprises: The door frame body, the lock hook is rotatably mounted on the door frame body between the first position and the second position, and the back plate of the door frame body is provided with an avoidance groove, and the lock hook protrudes from the avoidance groove; A door casing, the door casing is installed on the outside of the door frame and has an escape opening, and the operation part passes through the escape opening. 3. The door assembly of a cooking appliance according to claim 1, wherein the lock hook is rotatably mounted on the first frame of the door body around a first axis, and the first axis extends along the front-to-back direction, so The first frame is a frame opposite to the pivot axis of the door body. 4 . The door assembly of a cooking appliance according to claim 3 , wherein the pivot axis of the door body is located at a lower frame of the door body, and the first frame is an upper frame of the door body. 5. The door assembly of a cooking appliance according to claim 3, wherein the lock hook comprises: Lock hook main body, the lock hook main body is rotatably matched with the door body, and one end of the lock hook main body is provided with a hook body for locking with the main engine, and the hook body faces the pivot with the door body In a direction parallel to the rotation axis, the operation part is connected to the main body of the lock hook. 6. The door assembly of a cooking appliance according to claim 5, wherein one of the door body and the lock hook body is provided with a lock hook rotating shaft, and the other is provided with a locking hook rotating shaft to pivot Fitting shaft hole. 7. The door assembly of the cooking appliance according to claim 6, further comprising: A supporting seat, the supporting seat is installed on the door body, and the supporting seat has the locking hook rotating shaft, and the other end of the locking hook main body is provided with the shaft hole. 8 . The door assembly of the cooking appliance according to claim 1 , wherein the locking hook is rotatably mounted on the first frame of the door body around a first axis, and the first axis extends vertically. The first frame is a frame opposite to the pivot axis of the door body. 9. The door assembly of the cooking appliance according to any one of claims 1-8, further comprising: A reset member, the reset member is elastically connected between the lock hook and the door body, and the reset member is used to drive the lock hook to maintain at the first position. 10. The door assembly of a cooking appliance according to claim 9, wherein the lock hook has a first connecting portion, one end of the reset member is connected to the first connecting portion, and the other end of the reset member is connected to the first connecting portion. One end is connected with the door body. 11. A cooking appliance, comprising: a host, the host has a cooking cavity; The door assembly according to any one of claims 1-10, wherein the door body of the door assembly is openably and closably installed on the main unit, and when the lock hook is in the first position, it is in contact with the cooking appliance. The main unit is locked, and when the lock hook is in the second position, it is unlocked with the main unit of the cooking appliance. 12 . The cooking appliance according to claim 11 , wherein the front panel of the main body is provided with a locking groove, and the locking hook is adapted to extend into the locking groove to lock with the front panel. 13 . 13. The cooking appliance according to claim 12, wherein the front panel is provided with a front panel flange, one end of the front panel flange is connected to one side edge of the locking groove, and the The front panel flanging is overlapped with the first area of the front panel, the locking hook is in the first position and is facing the first area, and the locking hook is suitable for being with the front panel flanging locked. 14. The cooking appliance according to any one of claims 11-13, wherein the door assembly has claws, the front panel of the main body has a groove, and the claws are used to engage with the claws. Slot snaps.