CN114961443A

CN114961443A - Interlocking device of microwave oven and microwave oven

Info

Publication number: CN114961443A
Application number: CN202210621903.6A
Authority: CN
Inventors: 位帅帅; 吴延岐
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-08-30
Anticipated expiration: 2042-06-01
Also published as: CN114961443B

Abstract

The invention discloses an interlocking device of a microwave oven and the microwave oven, the interlocking device comprises: a first door hook; an interlock bracket; a drive lever rotatably mounted to the interlock bracket; the energy storage buffer assembly is mounted on the interlocking bracket; the first door hook is suitable for moving along the door closing direction so as to drive the driving lever to rotate along the first direction, and the driving lever abuts against the buffer energy storage assembly so as to enable the buffer energy storage assembly to store energy; the buffer energy storage assembly is suitable for releasing stored energy to drive the driving lever to rotate along a second direction opposite to the first direction in the door opening process, so that the driving lever drives the first door hook to move along the door opening direction. According to the interlocking device of the microwave oven, disclosed by the embodiment of the invention, by arranging the energy storage buffer assembly, the door closing noise is reduced, the door opening operation of a user is more labor-saving and convenient, and the use experience of the user is greatly improved.

Description

Interlocking device of microwave oven and microwave oven

Technical Field

The invention relates to the technical field of microwave ovens, in particular to an interlocking device of a microwave oven and the microwave oven.

Background

In the related art, in the microwave oven switch door interlock, the noise of closing the door is large, and the manual door opening operation is laborious and inconvenient.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide an interlock device for a microwave oven, which can reduce door opening noise and save more effort in opening the door.

Another object of the present invention is to provide a microwave oven having the above-mentioned interlocking device.

An interlock apparatus of a microwave oven according to an embodiment of the present invention includes: a first door hook; an interlock bracket; a drive lever rotatably mounted to the interlock bracket; the energy storage buffer assembly is mounted on the interlocking bracket; the first door hook is suitable for moving along the door closing direction so as to drive the driving lever to rotate along the first direction, and the driving lever abuts against the buffer energy storage assembly so as to enable the buffer energy storage assembly to store energy; the buffer energy storage assembly is suitable for releasing stored energy to drive the driving lever to rotate along a second direction opposite to the first direction in the door opening process, so that the driving lever drives the first door hook to move along the door opening direction.

According to the interlocking device of the microwave oven, provided by the embodiment of the invention, by arranging the buffering energy storage assembly, the door closing noise is reduced, the door opening operation of a user is more labor-saving and convenient, and the use experience of the user is greatly improved.

In addition, the interlocking device of the microwave oven according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the invention, the energy storage assembly comprises an elastic sheet, one end of the elastic sheet is connected with the interlocking bracket, the driving lever is abutted against the other end of the elastic sheet, and the elastic sheet can elastically deform to store energy.

According to some embodiments of the invention, in the door-open state, the elastic sheet is an arc-shaped sheet body protruding towards the driving lever; or the elastic sheet is a strip-shaped sheet body.

According to some embodiments of the invention, the interlocking bracket is provided with a slot, and one end of the elastic sheet is inserted into the slot.

According to some embodiments of the invention, the other end of the elastic sheet is provided with a flanging extending away from the driving lever, and the flanging is in smooth transition connection with the elastic sheet.

According to some embodiments of the present invention, a line connecting a stop of the energy-storing buffer assembly and a rotation axis of the driving lever is a line ab, and in a door-closed state, a driving force of the energy-storing buffer assembly on the driving lever is along a direction of the line ab, or is located on a leading side of the line ab along the second direction.

According to some embodiments of the present invention, in a door-closed state, an included angle between the driving force of the energy-storing buffer assembly to the driving lever and the line ab is less than or equal to 5 °.

According to some embodiments of the present invention, a side surface of the driving lever facing the energy storage buffer assembly is a step surface and includes a first surface, a second surface and a third surface which are smoothly connected in sequence, the second surface extends in a direction away from the energy storage buffer assembly, and the energy storage buffer assembly is stopped at a connection position of the first surface and the second surface in a door closing state.

According to some embodiments of the invention, the drive lever comprises: the second driving arm is positioned on one side, close to the first door hook, of the first driving arm, and the first door hook is suitable for abutting against the first driving arm to drive the driving lever to rotate along the first direction; in the door opening process, the first door hook abuts against the second driving arm to drive the driving lever to rotate along the second direction.

According to some embodiments of the invention, the interlock further comprises: the elastic piece is connected with the interlocking bracket and the driving lever and has a first driving state for driving the driving lever to rotate along the first direction and a second driving state for driving the driving lever to rotate along the second direction, and in the door closing process, the first door hook is suitable for abutting against the first driving arm so that the elastic piece is switched from the second driving state to the first driving state.

According to some embodiments of the invention, the interlock bracket is provided with a switch member, and the actuating lever is adapted to rotate in the first direction to activate the switch member.

According to some embodiments of the invention, the interlock device comprises a first lever and a second lever which are respectively rotatably mounted on the interlock bracket, the first lever or the second lever is formed as the driving lever, the interlock bracket is provided with a plurality of switch pieces, and the first door hook sequentially drives the first lever and the second lever to rotate during the closing process of the door so as to sequentially trigger the switch pieces.

A microwave oven according to an embodiment of the present invention includes: the refrigerator comprises a refrigerator body and a door body arranged on the refrigerator body; according to the interlocking device of the microwave oven, the first door hook is arranged on the door body, and the interlocking bracket is arranged on the machine body.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a right side view of a partial structure of a microwave oven according to an embodiment of the present invention, in which a door body is in a door-open state;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1, wherein the cover is not shown;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is a right side view of a partial structure of a microwave oven according to an embodiment of the present invention, in which a door body is closed;

FIG. 6 is a left side view of FIG. 5;

FIG. 7 is a partial schematic structural view of FIG. 5, wherein the cover is not shown;

FIG. 8 is a schematic view of the structure of FIG. 7;

fig. 9 is a schematic structural view of a cover body and a first microswitch and a second microswitch according to an embodiment of the invention;

FIG. 10 is a schematic structural view of a bracket body, a first lever and a buffer energy storage assembly according to an embodiment of the invention;

FIG. 11 is a schematic diagram of a first lever according to an embodiment of the present invention;

FIG. 12 is a schematic diagram of a first lever according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a second lever according to an embodiment of the present invention.

Reference numerals:

a microwave oven 1000;

an interlock device 100; a door body 200;

a first door hook 11; a second door hook 12;

an interlock bracket 20; a monitor switch 201; a first microswitch 202; a second microswitch 203; an installation space 204; a slot 205; a retaining portion 206; a holder body 22; a third through hole 221; a first mounting post 222; a second mounting post 223; a lid body 23; a first through hole 231; a second through-hole 232;

a drive lever 3; a first surface 301; a second surface 302; a third surface 303; a first lever 30; a first drive arm 31; a second drive arm 32; a first drive section 33; an elastic member 34; a connecting portion 35; thinned regions 39;

a second lever 40; the first rotation arm 41; a second rotating arm 42; a third rotating arm 43; a second driving section 44;

a buffer energy storage assembly 50; a spring plate 51; an anti-slip fitting portion 511; a flange 52; a drive member 53; a ramp block 54.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the description of the present invention, "a first feature" or "a second feature" may include one or more of the features, and "a plurality" means two or more, and the first feature may be "on" or "under" the second feature, and may include the first and second features being in direct contact, or may include the first and second features being not in direct contact but being in contact with another feature therebetween, and the first feature being "on", "above" and "above" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is higher in level than the second feature.

An interlock apparatus 100 of a microwave oven 1000 and a microwave oven 1000 having the same according to an embodiment of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1 to 10, a microwave oven 1000 according to an embodiment of the present invention may include a body, a door 200, and an interlock device 100 of the microwave oven 1000 according to an embodiment of the present invention. The door body 200 is mounted on the body, for example, rotatably mounted on the body, so as to open and close the containing cavity of the body, and switch between the door opening state and the door closing state of the door body 200. The interlocking device 100 can realize corresponding functions according to the state switching of the door body 200.

The interlock apparatus 100 of the microwave oven 1000 according to the embodiment of the present invention may include: first door hook 11, interlocking support 20, actuating lever 3.

Specifically, the first door hook 11 may be mounted to the door 200 so as to move relative to the body in accordance with the door opening and closing operation of the door 200. The interlocking bracket 20 is mounted to the body, and the driving lever 3 is rotatably mounted to the interlocking bracket 20. So that the first door hook 11 can be matched with the interlocking bracket 20 and the driving lever 3 on the interlocking bracket 20 in the process of moving relative to the machine body.

For example, according to some embodiments of the present invention, the interlock device 100 may further include a cushioned door closing assembly. The buffering door closing assembly is mounted to the interlocking bracket 20 and is connected to the actuating lever 3. In the process of closing the door, the first door hook 11 can move along the door closing direction (for example, move backward as shown in fig. 1) to drive the driving lever 3 to rotate along the first direction (for example, counterclockwise), and the buffering door closing assembly can apply a buffering force opposite to the first direction to the driving lever 3, so as to achieve a door closing buffering effect, avoid severe collision between the door body 200 and the machine body in the door closing process, and also facilitate reduction of door closing noise.

The invention does not specially limit the specific structure of the buffering door closing assembly, and only needs to meet the requirement of the buffering door closing effect. For example, the buffering door closing assembly may include a damper, a spring plate 51, a compression spring, or the like.

In some embodiments, the cushioned door closing assembly includes a cushion and a connector. Wherein, the one end and the interlocking support 20 rotatable coupling of bolster, connecting piece respectively with the other end and the first actuating arm 31 rotatable coupling of bolster to make first lever 30 rotate the in-process, the bolster can play the cushioning effect, and rotatable coupling structure then can adapt to the rotation of first lever 30, avoids taking place the card and dies.

In other embodiments, as shown in fig. 5-10, the door closing buffering assembly further has an energy storing function to form the energy storing buffering assembly 50. Specifically, the first door hook 11 can move along the door closing direction to drive the driving lever 3 to rotate along the first direction, and the driving lever 3 abuts against the buffering energy storage assembly 50, so that the buffering energy storage assembly 50 stores energy, and the buffering energy storage assembly 50 has both buffering function and energy storage function. During the door opening process, the energy-storing buffer assembly 50 may release the stored energy to drive the driving lever 3 to rotate in a second direction (e.g. clockwise) opposite to the first direction, so that the driving lever 3 can drive the first door hook 11 to move in the door opening direction (e.g. forward as shown in fig. 1), thereby assisting in pushing the door open.

From this, buffering energy storage component 50 not only can play the cushioning effect at the in-process of closing the door to reduce the noise of closing the door, can drive a body 200 and open at the in-process of opening the door moreover, play the boosting effect of opening the door, can improve the in-process user operation convenience of opening the door greatly, make the operation more laborsaving.

According to the interlocking device 100 of the microwave oven 1000 in the embodiment of the invention, by arranging the energy storage buffer assembly 50, the door closing noise is reduced, the door opening operation of a user is more labor-saving and convenient, and the use experience of the user is greatly improved.

Since the interlocking device 100 of the microwave oven 1000 according to the embodiment of the present invention has the above-mentioned beneficial technical effects, the microwave oven 1000 according to the embodiment of the present invention, by providing the energy storage buffer assembly 50, not only reduces the door closing noise, but also makes the door opening operation of the user more labor-saving and convenient, and greatly improves the user experience.

In some embodiments of the present invention, as shown in fig. 3 to 4 and fig. 7 to 10, the energy storage buffer assembly 50 may include an elastic sheet 51, one end of the elastic sheet 51 is connected to the interlock bracket 20, the driving lever 3 abuts against the other end of the elastic sheet 51, and the elastic sheet 51 may elastically deform to store energy.

In the door closing process, the driving lever 3 rotates along the first direction and presses the other end of the elastic sheet 51, so that the bending degree of the elastic sheet 51 is increased, energy is accumulated, and the buffering effect and the energy storage effect are achieved; in the process of opening the door, the elastic sheet 51 can release the stored energy to apply a driving force rotating along the second direction to the driving lever 3, so that the driving lever 3 can push the first door hook 11 and the door body 200 to move towards the door opening direction, and the function of assisting in opening the door is achieved. The buffering energy storage assembly 50 is simple in structure, can be repeatedly used, is not prone to fatigue damage, and is long in service life.

It should be noted that the structure of the elastic sheet 51 can be flexibly set according to actual situations. For example, the elastic sheet 51 may be an arc sheet or a strip sheet, and it is only necessary to meet the requirement that the elastic sheet 51 can elastically deform when stressed and can recover after the external force is removed.

Wherein, the structure of the strip-shaped sheet body is simpler and easier to process, and the consistency and the universality of the structure of the elastic sheet 51 are easy to ensure. The arc lamellar body can be for driving the convex arc structure of lever 3, and when making drive lever 3 extrusion shell fragment 51, shell fragment 51 changes in that the required direction of installation takes place elastic deformation, makes the course of motion more orderly, and is favorable to reducing the frictional resistance between drive lever 3 and the shell fragment 51.

In some embodiments, as shown in fig. 7 to 10, an outward flange 52 extending away from the driving lever 3 may be disposed at the other end of the elastic sheet 51, and the outward flange 52 is in smooth transition connection with the elastic sheet 51, so that in the rotation process of the driving lever 3, the abutting portion between the elastic sheet 51 and the driving lever 3 is in a smooth structure, for example, the abutting portion between the driving lever 3 and the smooth transition connection between the elastic sheet 51 and the outward flange 52 prevents a sharp edge from abutting the driving lever 3 to cause an excessive frictional resistance, thereby ensuring the smoothness of the rotation of the driving lever 3.

According to some embodiments of the present invention, one end of the elastic sheet 51 may be fixedly connected to the interlocking bracket 20, so as to ensure that the connection between the elastic sheet 51 and the interlocking bracket 20 is stable in the process of repeated elastic deformation of the elastic sheet 51, and the elastic sheet 51 is not easily loosened to affect the functions of buffering and assisting in pushing the door open.

For example, referring to fig. 9 and 10, the interlocking bracket 20 may have a slot 205, one end of the elastic sheet 51 may be inserted into the slot 205, and when the elastic sheet 51 is elastically deformed by the insertion connection structure, one end of the elastic sheet 51 may abut against a groove wall of the slot 205 for limiting, so that the elastic sheet 51 may be stably deformed.

In some embodiments, as shown in fig. 9 and 10, the slot of the slot 205 may be provided with an anti-slip portion 206, and one end of the resilient plate 51 may be provided with an anti-slip fitting portion 511, for example, one end of the resilient plate 51 may be formed into an L-shaped bent structure. The anti-disengaging portion 511 is located in the slot 205, and the anti-disengaging portion 206 abuts against the anti-disengaging portion 511 to prevent the anti-disengaging portion 511 from disengaging from the slot 205, so as to prevent the elastic piece 51 from disengaging from the interlocking bracket 20.

According to some embodiments of the present invention, in the door closing state, the direction of the driving force applied by the elastic sheet 51 on the driving lever 3 is directed to the rotation center of the driving lever 3 or the vicinity of the rotation center, and at this time, the elastic sheet 51 provides no component force or only a smaller component force in the rotation direction of the driving lever 3, so as to ensure that the door body 200 can be tightly closed.

According to some embodiments of the present invention, as shown in fig. 5 to 8, a stopping point of the energy-storing buffer assembly 50 for stopping against the driving lever 3 is a, a rotation axis of the driving lever 3 is b, and a line connecting the stopping point a and the rotation axis b is a line ab.

In some embodiments, in the door closing state, the driving force F of the buffer energy storage assembly 50 to the driving lever 3 is along the direction of the section ab, that is, the driving force F is directed to the rotation axis of the driving lever 3, so that the component force of the driving force F in the rotation direction of the driving lever 3 is zero, and the driving lever 3 does not rotate under the action of the buffer energy storage assembly 50, so as to ensure that the door body 200 can be stably maintained in the closing state.

In other embodiments, the driving force F of the energy-storing buffer assembly 50 to the driving lever 3 is located at the leading side of the line ab along the second direction. In other words, the driving force F is directed to the lower side of the rotation axis of the driving lever 3, and in other words, the driving force F is a force for rotating the driving lever 3 in the second direction, so as to ensure that the driving force F can drive the driving lever 3 to rotate in the second direction when other external forces to the driving lever 3 are removed, for example, when the first door hook 11 removes the acting force to the driving lever 3, so as to ensure that the door opening assisting effect is achieved.

In some embodiments, as shown in fig. 7, in the closed state, the angle between the driving force F of the energy-storing buffer assembly 50 to the driving lever 3 and the line ab is α, and α is less than or equal to 5 °. In the above angular range, the driving force F is directed to the vicinity of the rotation center of the driving lever 3, so that the energy-storing and buffering assembly 50 only provides a small component force in the rotation direction of the driving lever 3, thereby ensuring that the door 200 can be stably maintained in the closed state.

In order to further ensure that the door body 200 can be stably closed and the buffer energy storage assembly 50 and the driving lever 3 are not easily jammed, according to some embodiments of the present invention, as shown in fig. 11 and 12, a side surface of the driving lever 3 facing the buffer energy storage assembly 50 is a step surface, and the step surface includes a first surface 301, a second surface 302, and a third surface 303, and the first surface 301, the second surface 302, and the third surface 303 are smoothly connected in sequence. Wherein the second surface 302 extends away from the energy storage buffer assembly 50 such that the step surface is substantially zigzag-shaped.

As shown in fig. 7 and 8, in the closed state, the energy storage buffer assembly 50 may be stopped against the connection between the first surface 301 and the second surface 302. On the one hand, the driving force of the buffer energy storage assembly 50 on the driving lever 3 is closer to the rotation axis of the driving lever 3, and on the other hand, the third surface 303 can be matched with the buffer energy storage assembly 50, so that the driving lever 3 is prevented from rotating normally to close the door in a reverse direction due to the influence of the overlarge rotation angle of the driving lever 3 along the first direction.

According to some embodiments of the present invention, as shown in fig. 1-8, the interlock bracket 20 may be provided with a switch member that is activated to perform a response function when the actuating lever 3 is rotated in a first direction. For example, the switch member may be a monitor switch 201, and the opening and closing state of the door 200 may be monitored by activating the monitor switch 201 through the driving lever 3.

According to some embodiments of the present invention, as shown in fig. 1-8, the interlock device 100 includes a first lever 30 and a second lever 40, the first lever 30 being rotatably mounted to the interlock bracket 20, and the second lever 40 being rotatably mounted to the interlock bracket 20. The interlocking bracket 20 is provided with a plurality of switch members (two or more), and the first door hook 11 can sequentially drive the first lever 30 and the second lever 40 to rotate during the door closing process so as to sequentially trigger the plurality of switch members. Specifically, after the first lever 30 sequentially activates its corresponding switch member, the second lever 40 sequentially activates its corresponding switch member.

It should be noted that, the first lever 30 or the second lever 40 may be formed as the driving lever 3, in other words, the first door hook 11 may drive the driving lever 3 to rotate first and then drive the second lever 40 to rotate, or the first door hook 11 may drive the first lever 30 to rotate first and then drive the driving lever 3 to rotate, which is within the protection scope of the present invention.

For example, as shown in fig. 1 to 8, three switch members, namely a monitor switch 201, a first microswitch 202 and a second microswitch 203, are provided on the interlock bracket 20. Alternatively, the monitor switch 201 may be a micro switch. When the monitor switch 201, the first micro switch 202 and the second micro switch 203 are triggered in sequence, it is determined that the door 200 is closed, and the microwave oven 1000 can be powered on and operated normally.

In the related art, the micro-switches adopted by the microwave oven are all in a layout mode that an upper door hook of a movable door hook controls a primary micro-switch when the door is closed, and a lower door hook indirectly controls a secondary micro-switch and a monitoring micro-switch. However, the above-mentioned manner of triggering the micro switch may cause the micro switch to be triggered in a disordered sequence during the door closing process, which may cause a safety hazard or affect the service life of the microwave oven.

In the embodiment of the present invention, as shown in fig. 1 to 8, the first lever 30 is rotatably mounted to the interlocking bracket 20, and the second lever 40 is rotatably mounted to the interlocking bracket 20. During the door closing process of the microwave oven 1000, the first door hook 11 moves relative to the interlocking bracket 20 and sequentially drives the first lever 30 and the second lever 40 to rotate, so that after the first lever 30 triggers the monitor switch 201, the second lever 40 sequentially triggers the first microswitch 202 and the second microswitch 203.

From this, through the drive that same door colluded (namely through the drive that first door colluded 11), and the orderly transmission of two levers (namely first lever 30 and second lever 40), realize monitor switch 201, what first micro-gap switch 202 and second micro-gap switch 203 triggered in proper order, avoid appearing a plurality of switch spare and trigger the chaotic problem of order, guarantee that the door body 200 on-off state detects the accuracy, and avoid microwave oven 1000's circuit damage even take place the incident, be favorable to improving microwave oven 1000's life.

For example, the door body 200 is rotatably mounted to the body about a vertically extending rotational axis, and during the closing process, the door body 200 rotates to move the first door hook 11 backward relative to the interlocking bracket 20 substantially along the front-back direction as shown in fig. 1. During the moving process, the first door hook 11 first contacts the first lever 30 on the interlocking bracket 20 and drives the first lever 30 to rotate along a first direction (counterclockwise direction as shown in fig. 1), and when the first lever 30 rotates to a preset angle, the monitoring switch 201 is triggered by the first lever 30. Then, the first door hook 11 contacts with the second lever 40 and drives the second lever 40 to rotate along a second direction (clockwise direction as shown in fig. 1), and when the second lever rotates to a first preset angle, the first microswitch 202 is triggered, and when the second lever continues to rotate to a second preset angle, the second microswitch 203 is triggered. Thus, sequential and orderly triggering of the monitor switch 201, the first microswitch 202 and the second microswitch 203 is realized.

It should be noted that, during the whole rotation process of the first lever 30 and the second lever 40, the first door hook 11 may be completely driven to rotate, or the first door hook 11 may provide an initial force to start the rotation, and then the first door hook 11 may be driven to rotate by other structures, which is within the protection scope of the present invention.

In addition, in some embodiments, the door 200 of the microwave oven 1000 may further include a second door hook 12, for example, as shown in fig. 1 to 8, the first door hook 11 is a lower door hook, the second door hook 12 is an upper door hook, and the lower door hook is disposed at a lower side of the upper door hook. Of course, a third door hook or more door hooks and the like can be included, and the door hooks are distributed at intervals along the vertical direction. In the embodiment comprising a plurality of door hooks, the first door hook 11 is matched with the two levers to indirectly trigger the three switch pieces, so that the switch orderliness of the three switch pieces is ensured.

The first door hook 11 can be a fixed door hook, that is, fixed relative to the door body 200, so that the position and structure of the first door hook 11 are stable in the process of driving the first lever 30 and the second lever 40 to rotate, and the influence on the orderly triggering of the micro switch due to the change of the position of the first door hook 11 is avoided; other door hooks such as the second door hook 12 and the third door hook may be fixed door hooks, or movable door hooks, for example, door hooks rotatably or movably mounted on the door body 200.

According to the interlocking device 100 of the microwave oven 1000 in the embodiment of the invention, the monitoring switch 201, the first microswitch 202 and the second microswitch 203 are sequentially triggered by the driving of the first door hook 11 and the sequential transmission of the first lever 30 and the second lever 40, so that the problem of disordered triggering sequences of a plurality of switch pieces is avoided, the accurate detection of the opening and closing states of the door body 200 is ensured, the circuit damage and even safety accidents of the microwave oven 1000 are avoided, and the service life of the microwave oven 1000 is prolonged.

According to some embodiments of the present invention, as shown in fig. 1 to 8, the rotating shaft of the first lever 30 is disposed on a side of the rotating shaft of the second lever 40 close to the first door hook 11, for example, as shown in fig. 3 and 7, the rotating shaft of the first lever 30 is disposed on a front side of the rotating shaft of the second lever 40, and the first door hook 11 is disposed on a front side of the rotating shaft of the first lever 30, so that the first door hook 11 moves backwards during the door closing process, and can contact the first lever 30 first and then the second lever 40, thereby avoiding the disorder of the trigger of the switch.

According to some embodiments of the present invention, as shown in fig. 1 to 8 with continued reference, the rotation axis of the first lever 30 and the rotation axis of the second lever 40 are respectively located at two sides of the first door hook 11 perpendicular to the door closing direction. For example, as shown in fig. 3 and 7, the rotation axis of the first lever 30 is located at an upper side of the first hook 11, and the rotation axis of the second lever 40 is located at a lower side of the first hook 11. The arrangement mode enables the arrangement and rotation of the first lever 30 and the second lever 40 to be not interfered with each other, the arrangement of the first lever 30 and the second lever 40 in the door closing direction (such as the front and rear direction) is more compact, the length of the first door hook 11 can be in contact transmission with the first lever 30 and the second lever 40 without setting overlong, and the structure of the interlocking device 100 is more compact.

The specific structure of the actuating lever 3 according to some embodiments of the present invention will be described below with reference to the accompanying drawings.

In some embodiments of the invention, as shown in fig. 11-12, the actuating lever 3 may comprise a first actuating arm 31, in embodiments comprising a switch member, the first actuating arm 31 is provided with a first actuating portion 33, the first actuating portion 33 being used to activate the switch member. As shown in fig. 5-8, during the door closing process, the first door hook 11 may abut against the first driving arm 31 to drive the first driving arm 31 to rotate around the rotation axis of the driving lever 3 along the first direction, so as to squeeze the energy storage buffer assembly 50 to store energy. And can drive first drive division 33 and rotate, make first drive division 33 can rotate to the position that triggers monitor switch 201, make monitor switch 201 open.

It should be noted that the position of the first driving portion 33 on the first driving arm 31 can be flexibly set according to the actual situation such as the spatial arrangement. For example, the first driving portion 33 may be provided at any position such as a middle portion or an end portion of the first driving arm 31 in the longitudinal direction of the first driving arm 31.

In some embodiments, the first driving portion 33 may be a protrusion disposed on one side of the first driving arm 31 along the axial direction, so that the first driving portion 33 is not interfered by the first driving arm 31 during the process of matching with the monitor switch 201, and the risk that the first driving arm 31 mistakenly touches the monitor switch 201 is avoided.

In some embodiments of the present invention, as shown in fig. 11 to 12, the driving lever 3 may further include a second driving arm 32, and the second driving arm 32 may be located at a side of the first driving arm 31 close to the first door hook 11, in other words, the first driving arm 31 is located at a leading side of the second driving arm 32 in the first direction.

During the door closing process, the first door hook 11 can extend between the first driving arm 31 and the second driving arm 32, so that the first door hook 11 can abut against the first driving arm 31 and drive the driving lever 3 to start rotating along the first direction. In the process of opening the door, the first door hook 11 can abut against the second driving arm 32 to drive the driving lever 3 to rotate along the second direction, the second direction is opposite to the first direction, the direction of the driving force of the buffering energy storage assembly 50 on the driving lever 3 is changed, so that the buffering energy storage assembly 50 can fully release energy, a good boosting door opening effect is achieved, the driving lever 3 can be disengaged from the monitoring switch 201, and the monitoring switch 201 can be closed.

Therefore, the first door hook 11 can be used for driving the driving lever 3 to rotate in two directions so as to trigger the monitoring switch 201 and reset, which is beneficial to simplifying the structure of the interlocking device 100. Of course, the structure for driving the driving lever 3 to reset includes, but is not limited to, the second driving arm 32 cooperating with the first door hook 11, for example, in other embodiments, a reset member such as a spring may be further provided to drive the driving lever 3 to rotate and reset in the second direction after the first door hook 11 moves in the door opening direction.

According to some embodiments of the present invention, as shown in fig. 1-8, the interlock device 100 may further include an elastic member 34, the elastic member 34 connecting the interlock bracket 20 and the actuating lever 3. For example, the elastic member 34 may be a coil spring, and the coil spring may be one or more. For example, in the example shown in fig. 1 to 8, the elastic member 34 is a tension spring, and is two, as shown in fig. 11 and 12, the driving lever 3 is provided with a connecting portion 35, and the connecting portion 35 is a protrusion provided on a side surface of the driving lever 3 facing away from the first driving portion 33. One end of each tension spring is connected with the interlocking bracket 20, the other end is connected with the connecting part 35, and one ends of the two tension springs are spaced apart by a certain distance.

Furthermore, the elastic member 34 has a first driving state. In the first driving state, the elastic member 34 applies a driving force to the driving lever 3 to rotate in the first direction, so that the second driving arm 32 drives the first door hook 11 to move in the door closing direction.

Specifically, as shown in fig. 5-8, during the door closing process, the first door hook 11 moves along the door closing direction, moves between the first driving arm 31 and the second driving arm 32 and abuts against the first driving arm 31 to drive the driving lever 3 to start rotating along the first direction; when the driving lever 3 starts to rotate along the first direction or rotates for a small angle, the elastic element 34 is in the first driving state to automatically drive the driving lever 3 to rotate along the first direction, so that the second driving arm 32 drives the first door hook 11 to continuously move along the door closing direction, thereby realizing the automatic door closing function. At this time, even if the user cancels the door closing acting force on the door body 200, the door body 200 can be ensured to be closed in place, and the first door hook 11 can move along the door closing direction until the three opening and closing members are all triggered. On one hand, the operation of the user is labor-saving and convenient, and on the other hand, the problem of not-in-place door closing can be avoided.

In some embodiments, as shown in fig. 1-4, the resilient member 34 has a second actuated state. In the second driving state, the elastic member 34 applies a driving force to the driving lever 3 to rotate in the second direction. During the door closing process, the first door hook 11 can abut against the first driving arm 31, so that the elastic member 34 is switched from the second driving state to the first driving state.

Specifically, under the state of opening the door, under the effect of elastic component 34, actuating lever 3 can keep in required position, on the one hand, avoid actuating lever 3 not receive first door under the condition that colludes 11 effect and rotate along the first direction and trigger monitor switch 201 by mistake, on the other hand, can guarantee that first door colludes 11 and close the door in-process and can move smoothly to between first actuating arm 31 and the second actuating arm 32, avoid actuating lever 3 to rotate and influence first door colludes 11 and actuating lever 3 cooperation. And the first door hook 11 is abutted against the first driving arm 31 to drive the driving lever 3 to rotate along the first direction, so that the elastic piece 34 is enabled to switch the driving state in time along with the rotation of the driving lever 3, and the elastic piece 34 is enabled to play a role of driving the door to be closed in time.

In the closed state, the elastic element 34 is in the first driving state, so that the driving lever 3 can abut against the first door hook 11 through the second driving arm 32, and the door body 200 is ensured to be kept in the closed state. When the door needs to be opened, the user controls the first door hook 11 to move along the door opening direction and to abut against the second driving arm 32, so that the driving lever 3 rotates along the second direction. When the driving lever 3 rotates to a certain angle, the elastic member 34 is switched from the first driving state to the second driving state, so that the elastic member 34 can drive the driving lever 3 to rotate along the second direction to timely remove the resistance to the first door hook 11, and the door 200 can be easily opened.

In some embodiments of the present invention, as shown in fig. 11-12, the length of the second driving arm 32 may be smaller than that of the first driving arm 31, so that the first hook 11 can move between the first driving arm 31 and the second driving arm 32 more easily during the door closing process, and the second driving arm 32 can avoid interference with the movement of the first hook 11.

In some embodiments of the present invention, as shown in fig. 11 to 12, the thickness of the second driving arm 32 is smaller than that of the first driving arm 31 in the axial direction of the driving lever 3 by a difference such that the gap between the second driving arm 32 and the interlocking bracket 20 is larger than that between the first driving arm 31 and the interlocking bracket 20. In the door closing process, even if the second driving arm 32 causes a certain interference to the movement of the first door hook 11 along the door closing direction, the first door hook 11 is easily moved to a position between the first driving arm 31 and the second driving arm 32 through the deformation of the second driving arm 32 or the first door hook 11, and the first door hook 11 and the first driving arm 31 are not easily deformed to cause the first door hook 11 to move to one side of the first driving arm 31 plate far away from the second driving arm 32, so that the stability of the matching work of the first door hook 11 and the driving lever 3 is ensured.

In some embodiments, as shown in fig. 11 and 12, a side surface of the second driving arm 32 is provided with a thinned region 39 in the axial direction of the driving lever 3, so that when the driving lever 3 is mounted on the interlocking bracket 20, the second driving arm 32 is provided with the thinned region 39 to form a certain gap with the interlocking bracket 20. When the driving lever 3 is accidentally touched to rotate in the first direction to the position for triggering the monitoring switch 201, the first door hook 11 can be forced to pass through the gap by closing the door and move to the position between the first driving arm 31 and the second driving arm 32, and then the first door hook 11 can drive the driving lever 3 to rotate and reset in the second direction by the door opening action.

For example, as shown in fig. 1 to 10, the interlock bracket 20 includes a bracket body 22 and a cover 23, the driving lever 3 is installed between the bracket body 22 and the cover 23, and the thinned region 39 may be a notch groove provided on a side of the second driving arm 32 facing the bracket body 22, so that the second driving arm 32 and the bracket body 22 form the gap therebetween.

In addition, the thickness of the first door hook 11 may decrease gradually along the door closing direction, so that the thickness of the first door hook 11 is smaller at the rear end and larger at the front end as shown in fig. 1. Under the state that the driving lever 3 triggers the monitoring switch 201 by mistake, the structure that the first door hook 11 is thick at the front and thin at the back enables the first door hook 11 to move to the position between the first driving arm 31 and the second driving arm 32 from the thinning area 39 more easily, and the problem of abnormal triggering is solved more easily.

According to some embodiments of the present invention, the interlock bracket 20 may be provided with a stopper portion. In the door closing state, the limiting part can be abutted against the driving lever 3 to prevent the driving lever 3 from rotating along the first direction. In other words, the limiting portion can limit the limit position of the driving lever 3 rotating along the first direction, and damage to the monitoring switch 201 or the first door hook 11 due to an excessively large rotation angle of the driving lever 3 is avoided.

For example, in the embodiment including the elastic element 34, the elastic element 34 drives the driving lever 3 to rotate along the first direction, so as to drive the first door hook 11 to move along the door closing direction, thereby implementing the automatic door closing action; when the driving lever 3 is rotated to abut against the limiting part, the limiting effect of the limiting part enables the driving lever 3 to be stressed in a balanced manner, and the driving lever 3 does not rotate continuously under the driving of the elastic part 34, so that the driving lever 3 can be kept at a position which is stably matched with the first door hook 11 and enables the door body 200 to be kept in a door closing state.

According to other embodiments of the present invention, the driving lever 3 can be limited directly by the energy storage buffer assembly 50 without providing any other limiting structure, so as to simplify the structure of the interlock apparatus 100.

The second lever 40 according to some embodiments of the present invention will be described below with reference to the accompanying drawings by taking the first lever 30 as the driving lever 3 as an example.

In some embodiments of the present invention, as shown in fig. 13, the second lever 40 includes: the first rotating arm 41, the second rotating arm 42, and the third rotating arm 43 are sequentially arranged in a second direction (clockwise direction as viewed in fig. 3) in the first rotating arm 41, the second rotating arm 42, and the third rotating arm 43. As shown in fig. 1 to 8, during the door closing process, the first door hook 11 can abut against the first rotating arm 41 to drive the second lever 40 to rotate along the second direction, so as to drive the second rotating arm 42 and the third rotating arm 43 to rotate along the second direction, the second rotating arm 42 can trigger the first microswitch 202, and the third rotating arm 43 can trigger the second microswitch 203, so that one lever can sequentially drive the two microswitches to be opened.

In some embodiments, as shown in fig. 13, at least two of the first rotating arm 41, the second rotating arm 42 and the third rotating arm 43 are staggered along the axial direction of the second lever 40, so that the included angle between the first rotating arm 41, the second rotating arm 42 and the third rotating arm 43 along the second direction is small and is not easy to generate position interference, which is beneficial to make the structure of the interlock device 100 in the moving direction of the first door hook 11 more compact.

For example, as shown in fig. 13, in the axial direction of the second lever 40, the first rotating arm 41 and the third rotating arm 43 are located at the same position, the second rotating arm 42 is staggered from the other two rotating arms, so that the three rotating arms are distributed in two layers in the axial direction, the corresponding first microswitch 202 and the second microswitch 203 can be arranged in two layers in the axial direction of the second lever 40, and the first door hook 11 can drive the second lever 40 from the side of the first rotating arm 41 facing away from the third rotating arm 43, thereby avoiding the interference between the first door hook 11, the first microswitch 202 and the second microswitch 203.

In some embodiments, the second rotating arm 42 may be provided with a second driving portion 44, such that the second rotating arm 42 and the first microswitch 202 can be at least partially staggered in the axial direction to meet the requirement of space arrangement.

According to some embodiments of the present invention, as shown in fig. 1 to 8, the interlocking bracket 20 may include a bracket body 22 and a cover 23, the cover 23 covers the bracket body 22, so that the cover 23 cooperates with the bracket body 22 to define an installation space 204, and the first lever 30 and the second lever 40 are installed in the installation space 204 to limit the positions of the first lever 30 and the second lever 40, so as to ensure that the two levers can rotate stably, and the normal operation is not easily influenced by interference or contact of other structures.

As shown in fig. 5-8, the first door hook 11 can extend into the installation space 204 to contact with the first lever 30 and the second lever 40 during the door closing process, the installation space 204 can also shield and protect the matching structure of the first door hook 11 and the lever, so as to ensure smooth driving, and at the same time, the first door hook 11 can also play a guiding role, so as to ensure that the first door hook 11 can accurately contact with the first lever 30 and the second lever 40.

In some embodiments, as shown in fig. 9 and 10, the bracket body 22 may be provided with a first mounting column 222 and a second mounting column 223, the first lever 30 is sleeved on the first mounting column 222, and the second lever 40 is sleeved on the second mounting column 223. Moreover, the end portions of the first mounting column 222 and the second mounting column 223 are inserted into the cover 23, so that the bracket body 22 and the cover 23 are limited by matching with the cover 23, and the trigger switch member is prevented from being influenced by dislocation or deformation of the cover 23 and the bracket body 22.

In addition, in some embodiments, as shown in fig. 1 to 4 and fig. 11 to 12, the monitoring switch 201 is disposed on a side of the cover 23 facing away from the bracket body 22, the cover 23 is provided with a first through hole 231, the first lever 30 is provided with a first driving portion 33, and the first driving portion 33 can pass through the first through hole 231 to protrude to a side of the cover 23 facing away from the bracket body 22. During the rotation of the first lever 30, the first driving part 33 rotates in the first through hole 231, so as to trigger the monitor switch 201. The monitoring switch 201 can be disposed outside the installation space 204 to avoid position interference with components in the installation space 204, such as avoiding interference with the buffering door closing assembly, and the position arrangement is more reasonable.

As shown in fig. 1 to 4 and 13, the first microswitch 202 is provided on the side of the cover 23 facing away from the holder body 22, and the second microswitch 203 is provided in the installation space 204. The cover 23 may further have a second through hole 232, the second lever 40 is provided with a second driving portion 44, and the second driving portion 44 may pass through the second through hole 232 to extend to a side of the cover 23 opposite to the bracket body 22. During the rotation of the second lever 40, the second driving portion 44 rotates along with the second through hole 232 so as to trigger the first microswitch 202 located outside the installation space 204. And the portion of the second lever 40 located in the mounting space 204 may trigger the second microswitch 203 located in the mounting space 204. The first microswitch 202 and the second microswitch 203 are positioned on different sides of the cover 23 so that they do not interfere with each other. For example, the projections of the first and

second microswitches

202 and 203 along the axial direction of the second lever 40 may at least partially coincide, so that the arrangement of the two microswitches is more compact, and it is also faster for the second lever 40 to trigger the two microswitches in turn.

The microwave oven 1000 according to one embodiment of the present invention will be described in detail with reference to the accompanying drawings, it being understood that the following description is illustrative only and should not be construed as limiting the invention.

As shown in fig. 1 to 13, a microwave oven 1000 according to an embodiment of the present invention includes a door body 200, a body, and an interlock device 100. The interlocking device 100 comprises a first door hook 11, a second door hook 12, an interlocking bracket 20, a first lever 30 (as a driving lever 3), a second lever 40, a monitoring switch 201, a first microswitch 202, a second microswitch 203, an elastic piece 34, a buffer energy storage assembly 50, a driving piece 53 and an inclined block 54.

Wherein, the door body 200 is rotationally installed in the organism around vertical axis, and first door colludes 11 and second door and colludes 12 and set firmly in door body 200, and the second door colludes 12 and is located first door and colludes 11 tops. The interlocking bracket 20 is mounted to the body and includes a bracket body 22 and a cover 23 to define a mounting space 204. The first lever 30 and the second lever 40 are rotatably installed in the installation space 204, the first lever 30 includes a first driving arm 31, a second driving arm 32, and a first driving part 33, and the first driving part 33 passes through the first through hole 231 of the cover 23; the second lever 40 includes a first rotating arm 41, a second rotating arm 42, a third rotating arm 43, and a second driving part 44, and the second driving part 44 passes through the second through hole 232 of the cover 23. The second microswitch 203 is arranged in the installation space 204, and the monitoring switch 201 and the first microswitch 202 are arranged on one side of the cover body 23 opposite to the bracket body 22. The bracket body 22 is provided with a third through hole 221, the elastic element 34 is arranged on a side of the bracket body 22 opposite to the cover 23, and the connecting portion 35 of the first lever 30 passes through the third through hole 221 to be connected with the elastic element 34.

Further, the swash block 54 is vertically movably mounted to the bracket body 22, and both ends of the driving member 53 respectively abut against the swash block 54 and the bracket body 22 to apply an upward driving force to the swash block 54.

As shown in fig. 1 to 4, in the door opening state, the first door hook 11 and the second door hook 12 are separated from the body. The drive member 53 drives the ramp 54 in the high position. The first lever 30 rotates clockwise to a limit position against the edge of the bracket body 22 under the action of the tensile force of the elastic part 34, and is disengaged from the monitoring switch 201, and the elastic sheet 51 of the buffering energy storage assembly 50 is in an initial state and does not store energy; the second lever 40 is in a position separated from the first and

second microswitches

202 and 203.

During the door closing process, the door body 200 is pushed to move the first door hook 11 and the second door hook 12 in the door closing direction, i.e., in the backward direction. The rear end of the first door hook 11 extends between the first driving arm 31 and the second driving arm 32, and abuts against the first driving arm 31 to push the first lever 30 to rotate in the counterclockwise direction; when the first lever 30 rotates by a preset angle, the pulling direction of the elastic member 34 is switched to drive the first lever 30 to rotate along the counterclockwise direction, so that the second driving arm 32 of the first lever 30 automatically pulls the first door hook 11 to move backwards, and the elastic sheet 51 is elastically deformed in the counterclockwise rotation process of the whole first lever 30, thereby playing a role in buffering; the first lever 30 rotates to make the first driving part 33 trigger the monitoring switch 201; then, when the first door hook 11 moves to contact with the second lever 40, the second lever 40 is driven to rotate clockwise, and the second driving portion 44 and the third rotating arm 43 of the second lever 40 sequentially trigger the first microswitch 202 and the second microswitch 203. In the door closing process, the second door hook 12 abuts against the inclined block 54, and the inclined block 54 compresses the driving piece 53 to enable the hook part of the second door hook 12 to move to the rear side of the inclined block 54, so that the inclined block 54 limits the second door hook 12 to keep the door body 200 closed.

When the first lever 30 rotates to a certain degree, the elastic sheet 51 is bent and deformed, and the second lever 40 triggers the second microswitch 203 to stop rotating. At this time, under the pulling force of the elastic member 34, the second driving arm 32 of the first lever 30 stops the first door hook 11, so that the door body 200 is kept in the door closing state, and the first lever 30 and the second lever 40 are kept at the positions where the monitor switch 201, the first microswitch 202 and the second microswitch 203 are turned on.

In the door opening process, the door body 200 rotates in the reverse direction to open, so that the first door hook 11 moves forward. In the moving process, firstly, the stopping force on the second lever 40 is cancelled, and the second lever 40 rotates anticlockwise under the action of the rebounding force of the first micro switch 202 and the second micro switch 203 so as to release the triggering of the first micro switch 202 and the second micro switch 203; the first door hook 11 is also abutted against the second driving arm 32 in the moving process so as to drive the first lever 30 to overcome the elasticity of the elastic piece 34 and rotate clockwise, so that the first driving part 33 releases the trigger on the monitoring switch 201, and the elastic piece 51 releases the stored energy in the whole rotating process so as to drive the first lever 30 to rotate clockwise; when the pulling direction of the elastic element 34 is switched to drive the first lever 30 to rotate clockwise, the first lever 30 automatically resets to a position abutting against the edge of the bracket body 22 and stays at the position under the drive of the elastic element 34 and the elastic sheet 51, and the first lever 30 can drive the first door hook 11 to move forward, so that the door 200 is bounced open. In the door opening process, the second door hook 12 abuts against the inclined block 54 again, the inclined block 54 compresses the driving piece 53 to enable the hook part of the second door hook 12 to move to the front side of the inclined block 54, and the hook part contacts the inclined block 54 to limit the second door hook 12, so that the door body 200 can be opened.

To sum up, collude 11 and two lever cooperations through first door, trigger three switch spare respectively, the switch spare does not directly collude 11 direct emergence contact with first door, and three switch spare can be according to monitor switch 201, first micro-gap switch 202, the orderly trigger of second micro-gap switch 203's order, has guaranteed the security of equipment. And the buffering energy storage assembly 50 is used for buffering the door to be closed through the first lever 30 in the door closing process, reducing the door closing noise, storing the energy in the door opening process, releasing the energy in the door opening process, driving the door body 200 to be opened through the first lever 30, playing a role in boosting the door to open, and having a semi-automatic door opening effect.

Other constructions and operations of the microwave oven 1000 according to the embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "embodiment," "particular embodiment," "example," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An interlock apparatus for a microwave oven, comprising:

a first door hook;

an interlock bracket;

a drive lever rotatably mounted to the interlock bracket;

the energy storage buffer assembly is mounted on the interlocking bracket;

the first door hook is suitable for moving along the door closing direction so as to drive the driving lever to rotate along the first direction, and the driving lever abuts against the buffer energy storage assembly so as to enable the buffer energy storage assembly to store energy;

the buffer energy storage assembly is suitable for releasing stored energy to drive the driving lever to rotate along a second direction opposite to the first direction in the door opening process, so that the driving lever drives the first door hook to move along the door opening direction.

2. The microwave oven interlocking device according to claim 1, wherein the buffering energy storage assembly comprises a spring plate, one end of the spring plate is connected with the interlocking bracket, the driving lever abuts against the other end of the spring plate, and the spring plate can elastically deform to store energy.

3. The interlocking device of a microwave oven according to claim 2, wherein, in the door-open state,

the elastic sheet is an arc sheet body protruding towards the driving lever; or,

the elastic sheet is a strip-shaped sheet body.

4. The interlocking device of a microwave oven according to claim 2, wherein the interlocking bracket is provided with a slot, and one end of the elastic piece is inserted into the slot.

5. The interlocking device of a microwave oven according to claim 2, wherein the other end of the elastic piece is provided with a flange extending away from the driving lever, and the flange is smoothly transitionally connected with the elastic piece.

6. The interlocking device of microwave oven according to claim 1, wherein the line connecting the stopping point of the energy-storing buffer assembly and the rotation axis of the driving lever is line ab,

in a door closing state, the driving force of the buffer energy storage assembly on the driving lever is along the direction of the line segment ab, or is positioned on the leading side of the line segment ab along the second direction.

7. The interlock apparatus of claim 6, wherein an angle between the driving force of the buffer energy storage assembly to the driving lever and the line ab is less than or equal to 5 ° in the door-closed state.

8. The interlocking apparatus of a microwave oven according to claim 6, wherein a side of the actuating lever facing the buffer energy storage assembly is a stepped surface and includes a first surface, a second surface and a third surface which are smoothly connected in sequence, the second surface extends in a direction away from the buffer energy storage assembly,

and in a door closing state, the buffering energy storage assembly is stopped against the joint of the first surface and the second surface.

9. The interlocking device of a microwave oven as claimed in claim 1, wherein the actuating lever comprises: a first driving arm and a second driving arm, wherein the second driving arm is positioned at one side of the first driving arm close to the first door hook,

the first door hook is suitable for abutting against the first driving arm to drive the driving lever to rotate along the first direction; in the door opening process, the first door hook abuts against the second driving arm to drive the driving lever to rotate along the second direction.

10. The interlocking device of a microwave oven as claimed in claim 9, further comprising:

an elastic member connected to the interlocking bracket and the driving lever and having a first driving state to drive the driving lever to rotate in the first direction and a second driving state to drive the driving lever to rotate in the second direction,

in the process of closing the door, the first door hook is suitable for abutting against the first driving arm so that the elastic piece is switched from the second driving state to the first driving state.

11. An interlocking device for a microwave oven as claimed in any one of claims 1 to 10, characterized in that the interlocking bracket is provided with a switch member, and the actuating lever is adapted to be rotated in the first direction to activate the switch member.

12. The interlocking device of a microwave oven as claimed in any one of claims 1 to 10, comprising a first lever and a second lever rotatably mounted to the interlocking bracket, respectively, the first lever or the second lever being formed as the driving lever,

the interlocking support is provided with a plurality of switch pieces, and the first door hook drives the first lever and the second lever to rotate in sequence in the door closing process so as to trigger the switch pieces in sequence.

13. A microwave oven, comprising:

the door body is arranged on the machine body;

the interlocking device of microwave oven according to any one of claims 1-12, wherein said first door hook is mounted to said door body, and said interlocking bracket is mounted to said body.