CN116464343A

CN116464343A - Door assembly of cooking utensil and cooking utensil

Info

Publication number: CN116464343A
Application number: CN202310644055.5A
Authority: CN
Inventors: 林刚; 李国保; 陈强; 刘涛; 郭进; 陈茂顺
Original assignee: Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-07-21

Abstract

The application discloses cooking utensil's door subassembly and cooking utensil belongs to domestic appliance technical field. A door assembly of a cooking appliance, comprising: a door body; the hinge first mounting seat is arranged on the door body; the hinge second mounting seat is suitable for being mounted on a main machine of the cooking utensil and hinged with the hinge first mounting seat; one of the first installation seat of the hinge and the second installation seat of the hinge is hinged with the movable frame of the hinge, and the other is connected with the movable frame of the hinge in a sliding way; and the locking mechanism can selectively lock at least one of the first hinge mounting seat, the second hinge mounting seat and the movable hinge frame. According to the door assembly of the cooking utensil, provided by the embodiment of the application, through the locking mechanism and the hinge serving as the first lock, the difficulty of opening the cooking utensil by children can be increased, so that the risk that the children can open the cooking utensil at will and be scalded by high-temperature food in the cooking utensil is reduced, and the safety of the cooking utensil is 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 of opening the door generally, and the user directly pulls open the handle, can open cooking utensil furnace gate for it is simple and convenient to open the door, but such mode of opening the door makes children under the circumstances that does not have the adult guardianship, opens cooking utensil's furnace gate very easily, thereby exists the risk of being scalded by the food of inside high temperature or puts into dangerous article's risk in the cooking utensil.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a cooking utensil's door subassembly and cooking utensil, can increase children and open cooking utensil's degree of difficulty to reduce children and open cooking utensil at will and by the risk of cooking utensil internal high temperature's food scald, improve cooking utensil's security.

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

a door body;

the first hinge mounting seat is mounted on the door body;

the hinge second mounting seat is suitable for being mounted on a main machine of the cooking appliance and hinged with the hinge first mounting seat;

one of the first installation seat of the hinge and the second installation seat of the hinge is hinged with the movable hinge frame, and the other is connected with the movable hinge frame in a sliding way;

And the locking mechanism can selectively lock at least one of the first hinge mounting seat, the second hinge mounting seat and the movable hinge frame.

According to the door assembly of the cooking utensil, provided by the embodiment of the application, through the locking mechanism and the hinge serving as the first lock, the difficulty of opening the cooking utensil by children can be increased, so that the risk that the children can open the cooking utensil at will and be scalded by high-temperature food in the cooking utensil is reduced, and the safety of the cooking utensil is improved.

According to one embodiment of the present application, the locking mechanism comprises an electromagnetic push rod, at least two of the hinge first mounting seat, the hinge second mounting seat and the hinge movable frame are provided with locking grooves, and the push rod of the electromagnetic push rod can selectively penetrate through the locking grooves.

According to an embodiment of the application, the electromagnetic push rod is mounted on the door body, the first mounting seat of the hinge is hinged with the movable frame of the hinge, the movable frame of the hinge is provided with a locking groove of the movable frame, the hinge axis of the first mounting seat of the hinge and the hinge movable frame are spaced from the locking groove of the movable frame, and the push rod of the electromagnetic push rod can selectively extend into the locking groove of the movable frame.

According to an embodiment of the application, the electromagnetic push rod is installed in the door body, the first mount pad of hinge with the hinge movable frame is articulated, the hinge movable frame has set up the movable frame locking groove, the first mount pad of hinge is equipped with first locking groove, the first mount pad of hinge with the hinge movable frame articulated axis with first locking groove reaches the movable frame locking groove is spaced apart, the push rod of electromagnetic push rod can selectively stretch into the movable frame locking groove reaches first locking groove.

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

the door comprises a door shell and a door body, wherein the door body is arranged on the back surface of the door shell, and the electromagnetic push rod is arranged on the door shell and positioned on the back surface of the door body.

According to one embodiment of the application, the stroke of the push rod is 3mm-5mm.

According to one embodiment of the present application, the push rod includes: the electromagnetic push rod comprises a first section, a second section and a third section which are connected in sequence, wherein the first section extends along the axial direction of the electromagnetic push rod, the second section and the first section form a bending type, the second section and the third section form a bending type, and the third section and the first section are positioned on the same side of the second section.

According to one embodiment of the application, the head of the push rod is provided with a guide surface, and the normal line of the guide surface forms an acute angle with the telescopic direction of the push rod.

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

a main body having a cooking cavity;

the door assembly according to any one of the above, wherein the door body of the door assembly is openably and closably mounted to the main unit, and the hinge second mount is mounted to the main unit.

According to the cooking utensil provided by the embodiment of the application, through adopting any one of the door assemblies, the difficulty of opening the cooking utensil by children can be increased, so that the risk that the children can open the cooking utensil at will and be scalded by high-temperature food in the cooking utensil is reduced, and the safety of the cooking utensil is improved.

According to one embodiment of the present application, the host includes:

a cavity defining a cooking cavity;

the cavity is arranged above the bottom plate, the bottom plate is provided with a bracket, and the hinge second mounting seat is connected with the bracket;

the outer cover is arranged outside the cavity and is connected with the back plate and/or the bottom plate of the cavity.

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 one of schematic structural views of a door assembly of a cooking appliance provided in an embodiment of the present application;

FIG. 2 is a second schematic view of a door assembly of a cooking appliance according to an embodiment of the present disclosure;

fig. 3 is one of schematic structural views of an electromagnetic push rod of a door assembly of a cooking appliance according to an embodiment of the present application;

fig. 4 is one of schematic structural views of a door assembly lock of a cooking appliance according to an embodiment of the present application;

fig. 5 is one of schematic views of a door assembly unlocking structure of a cooking appliance according to an embodiment of the present application;

FIG. 6 is an enlarged view at A in FIG. 5;

fig. 7 is an exploded view of a door assembly of a cooking appliance provided by an embodiment of the present application;

fig. 8 is an exploded view of a cooking appliance provided in an embodiment of the present application;

FIG. 9 is a third schematic structural view of a door assembly of a cooking appliance according to an embodiment of the present disclosure;

FIG. 10 is a second schematic structural view of an electromagnetic push rod of a door assembly of a cooking appliance according to an embodiment of the present disclosure;

FIG. 11 is a second schematic view of a door assembly lock of a cooking appliance according to an embodiment of the present disclosure;

fig. 12 is a second schematic view of a door assembly unlocking structure of a cooking appliance according to an embodiment of the present disclosure.

Reference numerals:

housing 100, front plate 200, bottom plate 300, bracket 310, cavity 400, back plate 410, handle 500, clamping groove 600, door hook 700;

door body 800, switch button 810, door housing 820, door glass 830, door body 840, door seal 850;

electromagnetic push rod 860, electromagnetic valve 861, push rod 862, elastic return 863, first section 864, second section 865, third section 866, guide surface 867;

hinge 870, hinge first mount 880, first lock groove 881, hinge second mount 890, slide groove 891, second lock groove 892, hinge movable frame 910, projection 911, and movable frame lock groove 912.

Detailed Description

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

A door assembly of a cooking appliance and a cooking appliance according to an embodiment of the present application are described below with reference to fig. 1 to 8.

The embodiment of the application provides a door assembly of a cooking appliance, as shown in fig. 1-8, the door assembly of the cooking appliance comprises a door body 800, a hinge first mounting seat 880, a hinge second mounting seat 890, a hinge movable frame 910 and a locking mechanism, wherein the hinge first mounting seat 880, the hinge second mounting seat 890 and the hinge movable frame 910 form a hinge 870.

As shown in fig. 4 to 8, the hinge first mount 880 is mounted to the door body 800, and the hinge second mount 890 is adapted to be mounted to a main body of the cooking appliance and hinged to the hinge first mount 880, and the handle 500 is provided at a front surface of the door body 800.

For example, the upper end of the hinge first mount 880 is connected to the door body 800 by a bolt, an adhesive, or other means, and the lower end of the hinge first mount 880 is hinged to one end of the hinge second mount 890 about a first axis, which is in the same direction as the door body 800.

As shown in fig. 1 to 8, the upper end of the first hinge mounting seat 880 may be configured as a bent right angle, and two sides of a bending line at the upper end of the first hinge mounting seat 880 are respectively attached to the back and the side of the door body 800, so as to improve the connection stability between the first hinge mounting seat 880 and the door body 800.

As shown in fig. 4 to 8, the hinge first mount 880 and the hinge second mount 890 are respectively mounted on the sides of the door 800 and the main unit, the hinge first mount 880 and the hinge second mount 890 may be respectively mounted on the same side of the door 800 and the main unit, or the hinge first mount 880 and the hinge second mount 890 may be mounted on both sides of the door 800 and the main unit.

As shown in fig. 1 to 8, one of the first hinge mount 880 and the second hinge mount 890 is hinged to the hinge movable frame 910, and the other is slidably connected to the hinge movable frame 910, for example, the first hinge mount 880 and the hinge movable frame 910 are hinged about a second axis, the rotation direction of the door body 800 is the same, the hinge point of the first hinge mount 880 and the hinge movable frame 910 is located at the upper side of the hinge point of the first hinge mount 880 and the second hinge mount 890, a sliding groove 891 is provided on the second hinge mount 890, a protrusion 911 is provided on the hinge movable frame 910, the protrusion 911 is mounted in the sliding groove 891, and the protrusion 911 can slide along the direction of the sliding groove 891 in the sliding groove 891, that is, the second hinge mount 890 and the hinge movable frame 910 are slidably connected through the sliding groove 891 and the protrusion 911.

The locking mechanism may selectively lock at least one of the hinge first mount 880, the hinge second mount 890, and the hinge movable frame 910, for example, the locking mechanism alone locks the hinge first mount 880, the hinge second mount 890, or the hinge movable frame 910, or the locking mechanism locks the hinge first mount 880 and the hinge second mount 890, or locks the hinge first mount 880 and the hinge movable frame 910, or locks the hinge second mount 890 and the hinge movable frame 910.

The hinge first mounting seat 880 may be mounted on a side portion of the door body 800, or may be integrated into the door body 800, that is, the locking mechanism may selectively lock at least one of the door body 800, the hinge second mounting seat 890, and the hinge movable frame 910.

The locking mechanism of this application can be cooking utensil's safety lock, and above-mentioned locking mechanism is cooking utensil's first lock promptly, and the user can not release first lock through the direct sliding door, and cooking utensil self has the elasticity lock, and this elasticity lock is cooking utensil's second lock, and the user can use less external door handle of pulling alright with elasticity lock release.

In the actual implementation process, as shown in fig. 4, when the door body 800 is in the closed state, the included angle between the hinge first mounting seat 880 and the hinge second mounting seat 890 is approximately 90 °, and the hinge movable frame 910 is located between the hinge first mounting seat 880 and the hinge second mounting seat 890, and at this time, the locking mechanism and the elastic door lock are both in the locked state.

As shown in fig. 5, when a user needs to open the door body 800, the locking mechanism is unlocked, and the door body 800 is pulled to rotate to unlock the second lock, in the process of opening the door body 800, the door body 800 drives the hinge first mounting seat 880 to rotate around the first axis relative to the hinge second mounting seat 890, the hinge first mounting seat 880 drives the hinge movable frame 910 to rotate around the second axis, and the protruding block 911 on the hinge movable frame 910 moves along the sliding groove 891 in the sliding groove 891, and after the door body 800 is completely opened, the hinge first mounting seat 880, the hinge movable frame 910 and the hinge second mounting seat 890 are aligned.

If the locking mechanism locks the first hinge mount 880 and the second hinge mount 890, when the door 800 is in a closed state and the locking mechanism is not unlocked, the first hinge mount 880 cannot rotate relative to the second hinge mount 890 about the first axis, so that the door 800 and the host are locked.

If the locking mechanism locks the first hinge mount 880 and the movable hinge frame 910, when the door 800 is in a closed state and the locking mechanism is not unlocked, the movable hinge frame 910 cannot rotate relative to the first hinge mount 880 about the second axis and cannot slide relative to the second hinge mount 890, so that the first hinge mount 880 cannot rotate about the first axis, and locking of the door 800 and the host is achieved.

If the locking mechanism locks the hinge movable frame 910 and the hinge second mounting seat 890, when the door 800 is in a closed state and the locking mechanism is not unlocked, the hinge movable frame 910 and the hinge second mounting seat 890 cannot slide relatively, so that the hinge first mounting seat 880 cannot rotate around the first axis due to the restriction of the hinge movable frame 910, and the locking of the door 800 and the host is realized.

Through setting up locking mechanism and hinge 870 as cooking utensil's first lock, can cooperate the twice lock that forms cooking utensil with cooking utensil self elasticity lock that has, just can accomplish opening of door body 800 after opening the locking mechanism that is first lock and the elasticity lock that is second lock in proper order, that is, cooking utensil needs two steps to open the door and just can open, and first lock sets up to need be greater than 25N external force just can make its unblock, therefore to children, open first lock needs great strength, can't unlock easily, thereby can reduce children open cooking utensil at will and by cooking utensil in the risk of high temperature food scald, improve cooking utensil's security.

According to the door assembly of the cooking utensil, the locking mechanism serving as the first lock and the hinge 870 are arranged, so that the difficulty of opening the cooking utensil by a child can be increased, the risk that the child is scalded by high-temperature food in the cooking utensil when opening the cooking utensil at will is reduced, and the safety of the cooking utensil is improved.

In some embodiments, as shown in fig. 3-8, the locking mechanism includes an electromagnetic push rod 860, and at least two of the hinge first mount 880, the hinge second mount 890, and the hinge bracket 910 are provided with a locking slot through which the push rod 862 of the electromagnetic push rod 860 may selectively extend.

As shown in fig. 3-8, the electromagnetic push rod 860 includes an electromagnetic valve 861, a push rod 862 and an elastic restoring member 863, where the elastic restoring member 863 may be a spring, the electromagnetic valve 861 is connected to one end of the elastic restoring member 863, the other end of the elastic restoring member 863 is connected to one end of the push rod 862, and the other end of the push rod 862 selectively penetrates through the locking slot.

As shown in fig. 7 and 8, a key sheet is installed in the door body 800, a switch key 810 is provided on the key sheet, the switch key 810 protrudes forward with respect to the front surface of the door body 800, and the switch key 810 is electrically connected to an electromagnetic push rod 860 of the locking mechanism through the key sheet.

The locking groove may be provided on the hinge first mounting seat 880 and the hinge second mounting seat 890, may be provided on the hinge second mounting seat 890 and the hinge movable frame 910, or may be provided on the hinge first mounting seat 880 and the hinge movable frame 910.

In the actual implementation, as shown in fig. 4, when the door 800 is in the closed state, the solenoid valve 861 is not energized, the elastic restoring member 863 is in the original state, and one end of the push rod 862 penetrates the locking groove.

If the locking grooves are formed in the first hinge mount 880 and the second hinge mount 890, when the door 800 is in the closed state, the locking grooves in the first hinge mount 880 and the second hinge mount 890 are aligned, and one end of the push rod 862 sequentially penetrates the locking grooves in the first hinge mount 880 and the second hinge mount 890.

If the locking groove is formed in the second hinge mounting seat 890 and the movable hinge frame 910, when the door 800 is in the closed state, the locking grooves in the second hinge mounting seat 890 and the movable hinge frame 910 are aligned, and one end of the push rod 862 sequentially penetrates the locking grooves in the second hinge mounting seat 890 and the movable hinge frame 910.

If the locking groove is formed in the first hinge mounting seat 880 and the movable hinge frame 910, when the door 800 is in the closed state, the locking grooves in the first hinge mounting seat 880 and the movable hinge frame 910 are aligned, and one end of the push rod 862 sequentially penetrates the locking grooves in the first hinge mounting seat 880 and the movable hinge frame 910.

As shown in fig. 5, when a user needs to open the door 800, the switch button 810 is pressed, the electromagnetic valve 861 is powered on and drives the push rod 862 to move along the axial direction of the elastic restoring member 863, and the elastic restoring member 863 is deformed until the end of the push rod 862 moves completely to the outside of the locking groove, and then the door 800 can be opened by pulling the door 800 and unlocking the elastic door lock, and when the door 800 is rotated, the locking grooves on the hinge first mounting seat 880 and the hinge second mounting seat 890, or the locking grooves on the hinge second mounting seat 890 and the hinge movable frame 910, or the locking grooves on the hinge first mounting seat 880 and the hinge movable frame 910 are staggered, the electromagnetic valve 861 is moved and restored in the opposite direction when the push rod 862 is unlocked under the restoring force of the elastic restoring member 863.

Through the arrangement of the electromagnetic push rod 860, the operation of unlocking the first lock is simple, and the locking and unlocking operations are stable.

In some embodiments, as shown in fig. 3-8, an electromagnetic push rod 860 is mounted to the door body 800, the hinge first mount 880 is hinged to the hinge movable frame 910, the hinge movable frame 910 is provided with a movable frame locking groove 912, the hinge first mount 880 and the hinge movable frame 910 have hinge axes spaced apart from the movable frame locking groove 912, and a push rod 862 of the electromagnetic push rod 860 may be selectively extended into the movable frame locking groove 912.

As shown in fig. 3 to 8, one end of the hinge movable frame 910 is hinged to the hinge first mounting seat 880, and a movable frame locking groove 912 is disposed on the hinge movable frame 910 along a direction close to the protruding block 911 and spaced from the hinge first mounting seat 880 and a hinge axis of the hinge movable frame 910, that is, the movable frame locking groove 912 is spaced from the second axis.

As shown in fig. 3-8, the spacing distance between the movable frame locking groove 912 and the second axis may be set between 3mm and 5mm, so as to avoid the excessive spacing between the two to increase the length of the push rod 862, thereby increasing the cost, and other suitable spacing distances may be selected according to practical situations.

In the actual implementation process, when the door 800 is in the closed state, one end of the push rod 862 extends into the movable frame locking groove 912 to lock the hinge movable frame 910, and at this time, the hinge movable frame 910 cannot rotate around the second axis, and the door 800 cannot be opened; when the user needs to open the door 800, the switch button 810 is pressed, the electromagnetic valve 861 is powered on and drives the end of the push rod 862 to move to the outside of the movable frame locking groove 912, and the door 800 can be opened after the door 800 is pulled and the elastic door lock is unlocked.

Through the arrangement of the movable frame locking groove 912, the locking and unlocking modes are simple, and the locking and unlocking strokes of the push rod 862 are shorter, so that the locking and unlocking speeds can be improved, and the production cost of the electromagnetic push rod 860 can be reduced to a certain extent.

In some embodiments, as shown in fig. 3-8, an electromagnetic push rod 860 is mounted to a door 800, a hinge first mount 880 is hinged to a hinge movable frame 910, the hinge movable frame 910 is provided with a movable frame locking groove 912, the hinge first mount 880 is provided with a first locking groove 881, the hinge first mount 880 and the hinge movable frame 910 have hinge axes spaced apart from the first locking groove 881 and the movable frame locking groove 912, and a push rod 862 of the electromagnetic push rod 860 may be selectively extended into the movable frame locking groove 912 and the first locking groove 881.

As shown in fig. 3-8, the hinge movable frame 910 and the hinge first mounting seat 880 are respectively provided with a movable frame locking groove 912 and a first locking groove 881, and the movable frame locking groove 912 and the first locking groove 881 are disposed on the same side of the second shaft and are spaced apart from the second shaft.

In the actual implementation process, when the door 800 is in the closed state, one end of the push rod 862 penetrates through the movable frame locking groove 912 and is located in the first locking groove 881, or one end of the push rod 862 penetrates through the first locking groove 881 and is located in the movable frame locking groove 912 to lock the hinge movable frame 910 and the hinge first installation seat 880, and at this time, the door 800 cannot be opened.

When a user needs to open the door body 800, the switch key 810 is pressed, the electromagnetic valve 861 is electrified and drives the end part of the push rod 862 to move to the outside of the movable frame locking groove 912 and the first locking groove 881, the door body 800 is pulled and the elastic door lock is unlocked, then the door body 800 can be opened, the electromagnetic valve 861 is powered off after the door body 800 is opened, and the electromagnetic push rod 860 and the hinge first mounting seat 880 are both arranged on the door body 800, so that the movable frame locking groove 912 and the first locking groove 881 are staggered in the rotation process of the door body 800, the push rod rotates along with the door body 800, namely, the push rod 862 always aligns to the first locking groove 881, and the push rod 862 resets and stretches into the first locking groove 881 under the action of the elastic reset piece 863 after the electromagnetic valve 861 is powered off, and the opening of the door body 800 is not influenced.

Through the arrangement of the hinge movable frame 910, the hinge first mounting seat 880 and the push rod 862, when the push rod 862 extends into the movable frame locking groove 912 and the first locking groove 881, the stress of the push rod 862 is the shearing force formed between the hinge movable frame 910 and the hinge first mounting seat 880, the shearing force direction is perpendicular to the axial direction of the push rod 862, and at the moment, the electromagnetic valve 861 is not stressed, so that the electromagnetic valve 861 can be prevented from being separated from or damaged from the door body 800 due to long-time larger stress, the service life of the electromagnetic valve 861 is prolonged, the whole fixing structure is simple and easy to install, and the cost can be saved to a certain extent.

In some embodiments, as shown in fig. 7, door body 800 includes a door housing 820 and a door body 840, door body 840 is mounted to the back of door housing 820, and electromagnetic push rod 860 is mounted to door housing 820 and is located at the back of door body 840.

As shown in fig. 7, the door body 800 may further include a door glass 830 and a door seal 850, wherein the door glass 830 is mounted on the front surface of the door housing 820, the door body 840 is mounted on the back surface of the door housing 820, the door seal 850 is mounted on the back surface of the door body 840, and the electromagnetic push rod 860 is mounted on the back surface of the door housing 820 near the bottom end, i.e., the electromagnetic push rod 860 is mounted on the door housing 820 and located on the back surface of the door body 840.

By mounting the electromagnetic push rod 860 on the door housing 820 and on the back of the door body 840, i.e., the electromagnetic push rod 860 is mounted inside the door body 800, the space occupied by the electromagnetic push rod 860 can be reduced, and the overall cleanliness of the door body 800 can be improved.

In some embodiments, as shown in FIGS. 3-7, the push rod 862 has a travel of 3mm-5mm.

3-7, the stroke of the push rod 862 is preferably 4mm, and other strokes can be selected according to actual conditions and requirements.

Because the hinge movable frame 910, the hinge first mounting seat 880 and the hinge second mounting seat 890 are sequentially arranged along the axial direction of the electromagnetic push rod 860, the distance between the hinge movable frame 910 and the hinge first mounting seat 880 is relatively short, the stroke of the push rod 862 is set to be 3mm-5mm, and the locking and unlocking of the hinge movable frame 910 and the hinge second mounting seat 890 can be realized under the condition that the push rod 862 has a relatively short stroke, so that the locking and unlocking time is shortened.

In some embodiments, as shown in fig. 3, push rod 862 includes: the first section 864, the second section 865 and the third section 866 are connected in sequence, the first section 864 extends along the axial direction of the electromagnetic push rod 860, the second section 865 and the first section 864 form a bending type, the second section 865 and the third section 866 form a bending type, and the third section 866 and the first section 864 are located on the same side of the second section 865.

As shown in fig. 3, the first section 864 of the push rod 862 is disposed along the axial direction of the solenoid valve 861, the second section 865 of the push rod 862 is bent in a direction approaching the hinge movable frame 910, an included angle between the first section 864 and the second section 865 of the push rod 862 is about 90 °, the third section 866 of the push rod 862 is bent toward a side approaching the solenoid valve 861 relative to the second section 865, and an included angle between the second section 865 and the third section 866 of the push rod 862 is about 90 °.

As shown in fig. 4-6, the hinge first mount 880, the hinge second mount 890, and the hinge movable frame 910 form a hinge, one end of the first section 864 of the push rod 862 is connected to the solenoid valve 861 and located at a first side of the hinge 870, the other end extends axially to a second side of the hinge 870 opposite to the first side, the second section 865 of the push rod 862 extends at a position of the second lateral movable frame locking groove 912 and the first locking groove 881 of the hinge 870, that is, an end of the second section 865 of the push rod 862 remote from the first section 864 is located at the movable frame locking groove 912 and the first locking groove 881, and the third section 866 of the push rod 862 extends axially into the movable frame locking groove 912 and the first locking groove 881, that is, locking or unlocking with the movable frame locking groove 912 and the first locking groove 881 is achieved by the third section 866 of the push rod 862.

Because the movable frame locking groove 912 and the first locking groove 881 are located at the position overlapping the door body 840 in the axial direction of the push rod 862, and the space between the movable frame locking groove 912 and the first locking groove 881 and the door body 840 is smaller, the arrangement of the push rod 862 can facilitate the push rod 862 to lock or unlock the hinge movable frame 910 and the hinge first installation seat 880, so that enough space is ensured for the push rod 862 to move.

In some embodiments, as shown in fig. 6, the head of the push rod 862 is provided with a guide surface 867, and the normal of the guide surface 867 is at an acute angle to the telescoping direction of the push rod 862.

As shown in fig. 6, the head of the push rod 862 is provided with a guide surface 867, for example, a third section 866 of the push rod 862 is provided with the guide surface 867, and the guide surface 867 is disposed towards the hinge movable frame 910, and the guide surface 867 is obliquely disposed from an end of the push rod 862 away from the head to an end close to the head, i.e., a thickness of the push rod 862 on a side of the guide surface 867 away from the head is greater than a thickness of the guide surface 867 on a side close to the head, i.e., a normal line of the guide surface 867 forms an acute angle with a telescopic direction of the push rod 862.

In the actual implementation process, when the door 800 is in the open state, the end of the third section 866 of the push rod 862 extends into the first locking groove 881; when the user closes the door body 800, the door body 800 is turned to make the door body 800 gradually approach the host computer, that is, the push rod 862 gradually approaches the hinge movable frame 910, when the push rod 862 contacts with the hinge movable frame 910, the hinge movable frame 910 abuts against one end of the guide surface 867 on the push rod 862 far away from the head, the door body 800 continues to be turned, the push rod 862 gives pressure to the hinge movable frame 910 under the action of the door body 800, and the push rod 862 receives the reaction force of the hinge movable frame 910, because the guide surface 867 is obliquely arranged, the reaction force acting on the guide surface 867 is divided into a component force axially directed to the second side of the hinge 870 along the push rod 862 and a component force vertically directed upwards, so that the push rod 862 moves away from the electromagnetic valve 861 under the action of the axial component force, the push rod 862 continues to rotate the door body 800, so that the push rod 862 moves axially to the side surface of the hinge movable frame 910 away from the electromagnetic valve 861, and moves along with the door body 800 until the third section 866 of the push rod 862 moves to the movable frame locking groove 912, and the push rod 862 resets under the action of the elastic reset piece 863 to the locking groove 912 and the first locking groove 881, thereby completing the locking.

By providing the guide surface 867, the locking mechanism and the hinge 870 can be automatically locked when the door 800 is closed, and other operations are not required, so that the locking mode is simple.

The embodiment of the application also provides a cooking appliance which can be a microwave oven, an oven or a steaming and baking all-in-one machine and the like.

As shown in fig. 8, the cooking appliance includes: the door body 800 of the door assembly is openably and closably mounted to the main body, and the hinge second mount 890 is mounted to the main body.

As shown in fig. 8, the door body 800 may be a pull-down door body 800, and a rotation pin is mounted at the lower end of the door body 800 and pivotally connected to the lower side of the front end of the main machine, i.e., the door body 800 may rotate downward or upward relative to the main machine about the rotation pin to open and close the cooking appliance.

In some embodiments, as shown in fig. 8, the host includes a cavity 400, a floor 300, and a housing 100.

As shown in fig. 8, the main body has a cooking cavity for placing food, and the cooking cavity may have a rectangular structure, a circular structure, or other shape structure. A cavity 400, the cavity 400 defining a cooking cavity;

as shown in fig. 8, the main machine may be used for cooking food by temperature control and time control, 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 800 may be openably and closably mounted to the main machine for closing the cooking cavity, and the door 800 may be provided with a handle 500 at a position where the front end surface thereof is close to the upper side.

As shown in fig. 8, the cavity 400 is installed above the base plate 300, and the base plate 300 is installed with the bracket 310, and the hinge second mount 890 is connected with the bracket 310.

As shown in fig. 8, the outer cover 100 is arranged outside the cavity 400 and is connected with the back plate 410 and/or the bottom plate 300 of the cavity 400, for example, the outer cover 100 is connected with both the back plate 410 and the bottom plate 300 of the cavity 400, the outer cover 100 can be in a rectangular structure, other bottom parts can be in a planar structure, the inner container is arranged inside the outer cover 100, and the outer cover 100 can be made of heat insulation materials.

Through the setting of above-mentioned host computer, can improve the holistic intensity of cooking utensil and thermal-insulated performance, avoid cooking utensil high temperature to lead to the user to be scalded when cooking food.

In some embodiments, as shown in fig. 8, the door assembly has a door hook 700, and the front plate 200 of the host has a card slot 600, and the door hook 700 is used to be engaged with the card slot 600.

As shown in fig. 8, the door hook 700 is engaged with the card slot 600 to realize the second lock of the door assembly, and after the lock hook is controlled to unlock, the door body 800 needs to be pulled to separate the door hook 700 from the card slot 600 to realize the second unlock operation, so that the door assembly can be completely opened.

In actual implementation, the door hook 700 may be movably mounted on the door body 800 and extend toward the front plate 200 of the host, the hook portion of the door hook 700 may be elastically movable in the up-down direction, and a guide slope is provided in the hook groove 600. When the door assembly is closed, the end of the hook abuts against the edge of the clamping groove 600 to push the door hook 700 to move upwards and enter the clamping groove 600 to be clamped and limited with the clamping groove 600. When the door assembly is opened, the latch hook is firstly unlocked, then the door body 800 is pulled, and the guide slope in the clamping groove 600 applies upward thrust to the clamping hook of the door hook 700 so that the clamping hook moves upward and gradually breaks away from the clamping groove 600 to realize the door opening action.

In other embodiments, the door hook 700 may be a buckle fixedly mounted on the door body 800, and the clip groove 600 is provided with a resiliently-arranged clip, and the specific structure thereof may refer to a cooking apparatus commonly used in the market and will not be described in detail herein.

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

The following describes embodiments of the present application in detail according to the different locking objects.

First, the locking mechanism locks the hinge first mount 880 and the hinge bracket 910.

The locking mechanism includes electromagnetic push rod 860, and electromagnetic push rod 860 installs in door casing 820 and is located the back of door body 840, and electromagnetic push rod 860 includes solenoid valve 861, push rod 862 and elasticity restoring element 863, and push rod 862 includes: the first section 864, the second section 865 and the third section 866 that link to each other in order, the axial extension of first section 864 along electromagnetic push rod 860, second section 865 and first section 864 form the type of buckling, second section 865 and third section 866 form the type of buckling, and third section 866 and first section 864 are located the same side of second section 865, and hinge first mount pad is equipped with first locking groove, and the hinge activity has set up the movable frame locking groove.

When the door body 800 is in the closed state, one end of the push rod 862 penetrates through the movable frame locking groove 912 and is located in the first locking groove 881, or one end of the push rod 862 penetrates through the first locking groove 881 and is located in the movable frame locking groove 912 to lock the hinge movable frame 910 and the hinge first installation seat 880, and at this time, the door body 800 cannot be opened.

When the user closes the door body 800, the door body 800 is turned to make the door body 800 gradually approach the host computer, that is, the push rod 862 gradually approaches the hinge movable frame 910, when the push rod 862 contacts with the hinge movable frame 910, the hinge movable frame 910 abuts against one end of the guide surface 867 on the push rod 862 far away from the head, the door body 800 continues to be turned, the push rod 862 gives pressure to the hinge movable frame 910 under the action of the door body 800, and the push rod 862 receives the reaction force of the hinge movable frame 910, because the guide surface 867 is obliquely arranged, the reaction force acting on the guide surface 867 is divided into a component force axially directed to the second side of the hinge 870 along the push rod 862 and a component force vertically directed upwards, so that the push rod 862 moves away from the electromagnetic valve 861 under the action of the axial component force, the push rod 862 continues to rotate the door body 800, so that the push rod 862 moves axially to the side surface of the hinge movable frame 910 away from the electromagnetic valve 861, and moves along with the door body 800 until the third section 866 of the push rod 862 moves to the movable frame locking groove 912, and the push rod 862 resets under the action of the elastic reset piece 863 to the locking groove 912 and the first locking groove 881, thereby completing the locking.

Second, the locking mechanism locks the hinge first mount 880 and the hinge second mount 890.

The locking mechanism includes electromagnetic push rod 860, and electromagnetic push rod 860 installs in door casing 820 and is located the below of door body 840, and electromagnetic push rod 860 includes solenoid valve 861, push rod 862 and elasticity restoring element 863, and push rod 862 is the linear type, is equipped with first locking groove 881 on the first mount pad 880 of hinge, is equipped with second locking groove 892 on the second mount pad 890 of hinge.

When a user needs to open the door body 800, the switch key 810 is pressed, the electromagnetic valve 861 is electrified and drives the end part of the push rod 862 to move to the outside of the second locking groove 892 and the first locking groove 881, the door body 800 is pulled and the elastic door lock is unlocked, then the door body 800 can be opened, the electromagnetic valve 861 is powered off after the door body 800 is opened, and the electromagnetic push rod 860 and the hinge first mounting seat 880 are both arranged on the door body 800, so that the first locking groove 881 and the second locking groove 892 are staggered in the rotation process of the door body 800, the push rod 862 rotates together with the door body 800, namely, the push rod 862 always aligns to the first locking groove 881, the push rod 862 resets and stretches into the first locking groove 881 under the action of the elastic resetting piece 863 after the electromagnetic valve 861 is powered off, and the opening of the door body 800 is not influenced.

When the user closes the door body 800, the door body 800 is rotated to make the door body 800 gradually approach the host machine, that is, the push rod 862 gradually approach the hinge second mount 890, when the push rod 862 contacts with the hinge second mount 890, the hinge second mount 890 abuts against one end of the guide surface 867 on the push rod 862 far away from the head, continuing to rotate the door body 800, the push rod 862 gives pressure to the hinge second mount 890 under the action of the door body 800, and the push rod 862 receives the reaction force of the hinge second mount 890, because the guide surface 867 is inclined, the reaction force acting on the guide surface 867 is divided into a component force in the direction of approaching the solenoid valve 861 in the axial direction of the push rod 862 and a component force in the vertical direction, so that the push rod 862 moves in the direction of approaching the solenoid valve 861 under the action of the axial component force, and continues to rotate the door body 800, so that the push rod 862 moves to the side surface of the hinge second mount 890 along with the rotation of the door body 800800 until the push rod 862 moves to the second lock groove 892, and the push rod 862 moves into the second lock groove 892 under the action of the elastic reset element 883, thereby completing the locking of the lock groove 891.

Third, the locking mechanism locks the hinge bracket 910 and the hinge second mount 890.

The locking mechanism comprises an electromagnetic push rod 860, the electromagnetic push rod 860 is arranged on the host computer, the electromagnetic push rod 860 comprises an electromagnetic valve 861, a push rod 862 and an elastic reset piece 863, the push rod 862 is of a linear type, a movable frame locking groove 912 is arranged on a movable hinge frame 910, and a second locking groove 892 is arranged on a second hinge mounting seat 890.

When the door 800 is in the closed state, one end of the push rod 862 penetrates through the movable frame locking groove 912 and is positioned in the second locking groove 892 to lock the hinge movable frame 910 and the hinge second mounting seat 890, and at this time, the door 800 cannot be opened.

When a user needs to open the door body 800, the switch key 810 is pressed, the electromagnetic valve 861 is electrified and drives the end part of the push rod 862 to move to the outside of the second locking groove 892 and the movable frame locking groove 912, the door body 800 is pulled and the elastic door lock is unlocked, then the door body 800 can be opened, the electromagnetic valve 861 is powered off after the door body 800 is opened, and the electromagnetic push rod 860 and the hinge second mounting seat 890 are both mounted on the host, so that the second locking groove 892 and the movable frame locking groove 912 are staggered in the rotation process of the door body 800, the electromagnetic push rod 860 and the hinge second mounting seat 890 are always fixed on the host together, namely, the push rod 862 is always aligned with the second locking groove 892, and the push rod 862 resets under the action of the elastic resetting piece 863 and stretches into the second locking groove 892 after the electromagnetic valve 861 is powered off, and the opening of the door body 800 is not influenced.

When the user closes the door body 800, the door body 800 is gradually closed to the host, the hinge movable frame 910 moves along the sliding slot 891 towards the direction approaching the push rod 862, when the push rod 862 contacts with the hinge movable frame 910, the hinge movable frame 910 is abutted against one end of the guide surface 867 on the push rod 862 far away from the head, the door body 800 is continuously rotated, the push rod 862 receives the acting force of the hinge movable frame 910, because the guide surface 867 is obliquely arranged, the acting force acting on the guide surface 867 is divided into a component force and another component force along the axial direction of the push rod 862 towards the direction approaching the electromagnetic valve 861, the push rod 862 moves towards the direction approaching the electromagnetic valve 861 under the action of the axial component force, the door body 800 is continuously rotated, so that the push rod 862 moves to the side surface of the hinge movable frame 910 approaching the electromagnetic valve 861 along the sliding slot 891 along with the rotation of the door body 800, and the push rod 862 moves at the side surface of the hinge movable frame 910 till the second locking slot 892 moves to be aligned with the push rod 862, and the push rod 862 resets under the action of the elastic resetting piece 863 to extend into the second locking slot 882 and the first locking slot 881, thereby completing the locking.

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

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

a door body;

the first hinge mounting seat is mounted on the door body;

2. The cooking appliance door assembly of claim 1, wherein the locking mechanism comprises an electromagnetic push rod, wherein the at least two of the hinge first mount, the hinge second mount, and the hinge movable frame are provided with a locking slot, and wherein the push rod of the electromagnetic push rod selectively penetrates the locking slot.

3. The cooking appliance door assembly of claim 2, wherein the electromagnetic push rod is mounted to the door body, the hinge first mount is hinged to the hinge movable frame, the hinge movable frame is provided with a movable frame locking groove, the hinge first mount and the hinge movable frame hinge axis are spaced apart from the movable frame locking groove, and the push rod of the electromagnetic push rod is selectively extendable into the movable frame locking groove.

4. The cooking appliance door assembly according to claim 2, wherein the electromagnetic push rod is mounted to the door body, the hinge first mounting seat is hinged to the hinge movable frame, the hinge movable frame is provided with a movable frame locking groove, the hinge first mounting seat is provided with a first locking groove, the hinge axis of the hinge first mounting seat and the hinge movable frame is spaced apart from the first locking groove and the movable frame locking groove, and the push rod of the electromagnetic push rod can be selectively extended into the movable frame locking groove and the first locking groove.

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

6. The cooking appliance door assembly of claim 4, wherein the stroke of the push rod is 3mm-5mm.

7. The cooking appliance door assembly of claim 4, wherein the pushrod comprises: the electromagnetic push rod comprises a first section, a second section and a third section which are connected in sequence, wherein the first section extends along the axial direction of the electromagnetic push rod, the second section and the first section form a bending type, the second section and the third section form a bending type, and the third section and the first section are positioned on the same side of the second section.

8. The door assembly of a cooking appliance according to any one of claims 2 to 7, wherein the head of the push rod is provided with a guide surface, a normal of which forms an acute angle with the telescopic direction of the push rod.

9. A cooking appliance, comprising:

a main body having a cooking cavity;

the door assembly of any one of claims 1-8, a door body of the door assembly being openably and closably mounted to the host, the hinge second mount being mounted to the host.

10. The cooking appliance of claim 9, wherein the host machine comprises:

a cavity defining a cooking cavity;

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